./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor790289811 <...> st_list(0x7ff2a101e9a0, 24) = 0 [pid 8296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8296] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8295] <... sendmsg resumed>) = 0 [pid 8294] <... clone3 resumed> => {parent_tid=[8296]}, 88) = 8296 [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8295] <... sendmsg resumed>) = 0 [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8294] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8295] <... sendmsg resumed>) = 0 [pid 8296] <... futex resumed>) = 0 [pid 8296] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8294] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8296] <... setsockopt resumed>) = 0 [pid 8296] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8296] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8295] <... sendmsg resumed>) = 0 [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8295] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8295] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8294] exit_group(0) = ? [pid 8296] <... futex resumed>) = ? [pid 8296] +++ exited with 0 +++ [pid 8295] <... futex resumed>) = ? [pid 8295] +++ exited with 0 +++ [pid 8294] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8298 ./strace-static-x86_64: Process 8298 attached [pid 8298] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8298] setpgid(0, 0) = 0 [pid 8298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8298] write(3, "1000", 4) = 4 [pid 8298] close(3) = 0 [pid 8298] write(1, "executing program\n", 18executing program ) = 18 [pid 8298] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8298] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8298] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8299 attached => {parent_tid=[8299]}, 88) = 8299 [pid 8298] rt_sigprocmask(SIG_SETMASK, [], [pid 8299] set_robust_list(0x7ff2a103f9a0, 24 [pid 8298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8299] <... set_robust_list resumed>) = 0 [pid 8298] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8299] rt_sigprocmask(SIG_SETMASK, [], [pid 8298] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8299] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8299] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8298] <... futex resumed>) = 0 [pid 8298] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8298] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8298] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8300 attached [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8298] <... clone3 resumed> => {parent_tid=[8300]}, 88) = 8300 [pid 8298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8298] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8298] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8300] set_robust_list(0x7ff2a101e9a0, 24 [pid 8299] <... sendmsg resumed>) = 0 [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8300] <... set_robust_list resumed>) = 0 [pid 8299] <... sendmsg resumed>) = 0 [pid 8300] rt_sigprocmask(SIG_SETMASK, [], [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8299] <... sendmsg resumed>) = 0 [pid 8300] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8300] <... setsockopt resumed>) = 0 [pid 8299] <... sendmsg resumed>) = 0 [pid 8300] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8300] <... futex resumed>) = 1 [pid 8299] <... sendmsg resumed>) = 0 [pid 8298] <... futex resumed>) = 0 [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8300] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8299] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8299] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8298] exit_group(0 [pid 8299] <... futex resumed>) = ? [pid 8298] <... exit_group resumed>) = ? [pid 8300] <... futex resumed>) = ? [pid 8299] +++ exited with 0 +++ [pid 8300] +++ exited with 0 +++ [pid 8298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8298, si_uid=0, si_status=0, 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 8301 attached , child_tidptr=0x55556cb53690) = 8301 [pid 8301] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8301] setpgid(0, 0) = 0 [pid 8301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8301] write(3, "1000", 4) = 4 [pid 8301] close(3) = 0 [pid 8301] write(1, "executing program\n", 18executing program ) = 18 [pid 8301] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8301] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8301] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8302 attached [pid 8302] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8302] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8301] <... clone3 resumed> => {parent_tid=[8302]}, 88) = 8302 [pid 8301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8301] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] <... futex resumed>) = 0 [pid 8302] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8302] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8301] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8301] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] <... futex resumed>) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8301] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8301] <... futex resumed>) = 0 [pid 8301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8302] <... sendmsg resumed>) = 0 [pid 8301] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8301] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8302] <... sendmsg resumed>) = 0 [pid 8301] <... mprotect resumed>) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8302] <... sendmsg resumed>) = 0 [pid 8301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8302] <... sendmsg resumed>) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8301] <... clone3 resumed> => {parent_tid=[8303]}, 88) = 8303 [pid 8301] rt_sigprocmask(SIG_SETMASK, [], [pid 8302] <... sendmsg resumed>) = 0 [pid 8301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8301] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... sendmsg resumed>) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8301] <... futex resumed>) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8301] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8302] <... sendmsg resumed>) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] 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 8303 attached [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8303] set_robust_list(0x7ff2a101e9a0, 24 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8302] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8302] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8303] <... set_robust_list resumed>) = 0 [pid 8303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8303] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8303] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8301] <... futex resumed>) = 0 [pid 8301] exit_group(0) = ? [pid 8302] <... futex resumed>) = ? [pid 8302] +++ exited with 0 +++ [pid 8303] +++ exited with 0 +++ [pid 8301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8301, si_uid=0, si_status=0, 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 8304 attached , child_tidptr=0x55556cb53690) = 8304 [pid 8304] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8304] setpgid(0, 0) = 0 [pid 8304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8304] write(3, "1000", 4) = 4 [pid 8304] close(3) = 0 [pid 8304] write(1, "executing program\n", 18executing program ) = 18 [pid 8304] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8304] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8304] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8305 attached => {parent_tid=[8305]}, 88) = 8305 [pid 8305] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8305] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8304] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8305] <... futex resumed>) = 0 [pid 8305] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8304] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8305] <... socketpair resumed>[3, 4]) = 0 [pid 8305] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8305] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8304] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8305] <... futex resumed>) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8304] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8304] <... futex resumed>) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8305] <... sendmsg resumed>) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8304] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8304] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8305] <... sendmsg resumed>) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8304] <... mprotect resumed>) = 0 [pid 8305] <... sendmsg resumed>) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8305] <... sendmsg resumed>) = 0 [pid 8304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8305] <... sendmsg resumed>) = 0 [pid 8305] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8304] <... clone3 resumed> => {parent_tid=[8306]}, 88) = 8306 [pid 8305] <... sendmsg resumed>) = 0 [pid 8304] rt_sigprocmask(SIG_SETMASK, [], [pid 8305] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8305] <... futex resumed>) = 0 [pid 8304] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8305] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8304] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8306 attached [pid 8306] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8306] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8306] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8304] <... futex resumed>) = 0 [pid 8304] exit_group(0) = ? [pid 8306] ????() = ? [pid 8305] <... futex resumed>) = ? [pid 8305] +++ exited with 0 +++ [pid 8306] +++ exited with 0 +++ [pid 8304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8307 ./strace-static-x86_64: Process 8307 attached [pid 8307] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8307] setpgid(0, 0) = 0 [pid 8307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8307] write(3, "1000", 4) = 4 [pid 8307] close(3) = 0 [pid 8307] write(1, "executing program\n", 18executing program ) = 18 [pid 8307] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8307] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8307] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8308 attached => {parent_tid=[8308]}, 88) = 8308 [pid 8308] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8308] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8307] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8308] <... futex resumed>) = 0 [pid 8308] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8308] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8308] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8307] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8307] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8308] <... futex resumed>) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8307] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8307] <... futex resumed>) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8308] <... sendmsg resumed>) = 0 [pid 8308] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8307] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8307] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8308] <... sendmsg resumed>) = 0 [pid 8307] <... mprotect resumed>) = 0 [pid 8308] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8308] <... futex resumed>) = 0 [pid 8307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8308] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8309 attached [pid 8307] <... clone3 resumed> => {parent_tid=[8309]}, 88) = 8309 [pid 8309] set_robust_list(0x7ff2a101e9a0, 24 [pid 8307] rt_sigprocmask(SIG_SETMASK, [], [pid 8309] <... set_robust_list resumed>) = 0 [pid 8307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8309] rt_sigprocmask(SIG_SETMASK, [], [pid 8307] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8307] <... futex resumed>) = 0 [pid 8309] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8307] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8309] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8307] <... futex resumed>) = 0 [pid 8309] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8307] exit_group(0) = ? [pid 8308] <... futex resumed>) = ? [pid 8308] +++ exited with 0 +++ [pid 8309] <... futex resumed>) = ? [pid 8309] +++ exited with 0 +++ [pid 8307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8307, si_uid=0, si_status=0, 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 8310 attached , child_tidptr=0x55556cb53690) = 8310 [pid 8310] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8310] setpgid(0, 0) = 0 [pid 8310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8310] write(3, "1000", 4) = 4 [pid 8310] close(3) = 0 [pid 8310] write(1, "executing program\n", 18executing program ) = 18 [pid 8310] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8310] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8310] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8311 attached => {parent_tid=[8311]}, 88) = 8311 [pid 8311] set_robust_list(0x7ff2a103f9a0, 24 [pid 8310] rt_sigprocmask(SIG_SETMASK, [], [pid 8311] <... set_robust_list resumed>) = 0 [pid 8310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8310] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8311] rt_sigprocmask(SIG_SETMASK, [], [pid 8310] <... futex resumed>) = 0 [pid 8311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8310] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8311] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8311] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8310] <... futex resumed>) = 0 [pid 8310] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8310] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8310] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8312]}, 88) = 8312 [pid 8311] <... sendmsg resumed>) = 0 [pid 8310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8310] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8310] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8312 attached [pid 8312] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8312] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8312] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8310] <... futex resumed>) = 0 [pid 8312] <... futex resumed>) = 1 [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8312] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8311] <... sendmsg resumed>) = 0 [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8311] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8311] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8310] exit_group(0 [pid 8311] <... futex resumed>) = ? [pid 8310] <... exit_group resumed>) = ? [pid 8311] +++ exited with 0 +++ [pid 8312] <... futex resumed>) = ? [pid 8312] +++ exited with 0 +++ [pid 8310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8310, si_uid=0, si_status=0, 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 8313 attached , child_tidptr=0x55556cb53690) = 8313 [pid 8313] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8313] setpgid(0, 0) = 0 [pid 8313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8313] write(3, "1000", 4) = 4 [pid 8313] close(3) = 0 [pid 8313] write(1, "executing program\n", 18executing program ) = 18 [pid 8313] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8313] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8313] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8314 attached => {parent_tid=[8314]}, 88) = 8314 [pid 8314] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8314] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8313] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8314] <... futex resumed>) = 0 [pid 8314] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8313] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8314] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8314] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8313] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8314] <... futex resumed>) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8313] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] <... sendmsg resumed>) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8313] <... futex resumed>) = 0 [pid 8314] <... sendmsg resumed>) = 0 [pid 8313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8313] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8313] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8314] <... sendmsg resumed>) = 0 [pid 8313] <... mprotect resumed>) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8314] <... sendmsg resumed>) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8314] <... sendmsg resumed>) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8313] <... clone3 resumed> => {parent_tid=[8315]}, 88) = 8315 [pid 8314] <... sendmsg resumed>) = 0 [pid 8313] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8315 attached NULL, 8) = 0 [pid 8313] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8313] <... futex resumed>) = 0 [pid 8314] <... sendmsg resumed>) = 0 [pid 8313] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8314] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8314] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8315] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8315] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8315] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8315] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8313] <... futex resumed>) = 0 [pid 8313] exit_group(0) = ? [pid 8315] <... futex resumed>) = ? [pid 8314] <... futex resumed>) = ? [pid 8315] +++ exited with 0 +++ [pid 8314] +++ exited with 0 +++ [pid 8313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8313, si_uid=0, si_status=0, 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 8316 attached , child_tidptr=0x55556cb53690) = 8316 [pid 8316] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8316] setpgid(0, 0) = 0 [pid 8316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8316] write(3, "1000", 4) = 4 [pid 8316] close(3) = 0 executing program [pid 8316] write(1, "executing program\n", 18) = 18 [pid 8316] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8316] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8316] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8317]}, 88) = 8317 [pid 8316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8316] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8317 attached [pid 8317] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8317] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8317] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8316] <... futex resumed>) = 0 [pid 8316] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8316] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8317] <... futex resumed>) = 1 [pid 8316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8318]}, 88) = 8318 [pid 8317] <... sendmsg resumed>) = 0 [pid 8316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8316] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8316] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8318 attached [pid 8318] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8318] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8318] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8316] <... futex resumed>) = 0 [pid 8318] <... futex resumed>) = 1 [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8318] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8317] <... sendmsg resumed>) = 0 [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8317] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8317] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8316] exit_group(0) = ? [pid 8318] <... futex resumed>) = ? [pid 8317] <... futex resumed>) = ? [pid 8318] +++ exited with 0 +++ [pid 8317] +++ exited with 0 +++ [pid 8316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8316, si_uid=0, si_status=0, 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 8319 attached , child_tidptr=0x55556cb53690) = 8319 [pid 8319] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8319] setpgid(0, 0) = 0 [pid 8319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8319] write(3, "1000", 4) = 4 [pid 8319] close(3) = 0 [pid 8319] write(1, "executing program\n", 18executing program ) = 18 [pid 8319] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8319] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8319] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8320 attached => {parent_tid=[8320]}, 88) = 8320 [pid 8320] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8320] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8319] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8320] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8320] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8320] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8319] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8319] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8319] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8319] <... futex resumed>) = 0 [pid 8320] <... sendmsg resumed>) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8320] <... sendmsg resumed>) = 0 [pid 8319] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8319] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8320] <... sendmsg resumed>) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8319] <... mprotect resumed>) = 0 [pid 8320] <... sendmsg resumed>) = 0 [pid 8319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8320] <... sendmsg resumed>) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8319] <... clone3 resumed> => {parent_tid=[8321]}, 88) = 8321 [pid 8319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8320] <... sendmsg resumed>) = 0 [pid 8319] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8319] <... futex resumed>) = 0 [pid 8319] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8320] <... sendmsg resumed>) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] 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 8321 attached ) = 0 [pid 8321] set_robust_list(0x7ff2a101e9a0, 24 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8320] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8320] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8321] <... set_robust_list resumed>) = 0 [pid 8321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8321] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8321] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8319] <... futex resumed>) = 0 [pid 8321] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8319] exit_group(0) = ? [pid 8320] <... futex resumed>) = ? [pid 8320] +++ exited with 0 +++ [pid 8321] <... futex resumed>) = ? [pid 8321] +++ exited with 0 +++ [pid 8319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8319, si_uid=0, si_status=0, 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 8322 attached , child_tidptr=0x55556cb53690) = 8322 [pid 8322] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8322] setpgid(0, 0) = 0 [pid 8322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8322] write(3, "1000", 4) = 4 [pid 8322] close(3) = 0 [pid 8322] write(1, "executing program\n", 18executing program ) = 18 [pid 8322] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8322] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8322] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8323]}, 88) = 8323 [pid 8322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8322] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8322] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8323 attached [pid 8323] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8323] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8323] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8322] <... futex resumed>) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8322] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8322] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8323] <... sendmsg resumed>) = 0 [pid 8322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8322] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8322] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8323] <... sendmsg resumed>) = 0 [pid 8322] <... mprotect resumed>) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8323] <... sendmsg resumed>) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8322] <... clone3 resumed> => {parent_tid=[8324]}, 88) = 8324 [pid 8322] rt_sigprocmask(SIG_SETMASK, [], [pid 8323] <... sendmsg resumed>) = 0 [pid 8322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8322] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8322] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8323] <... sendmsg resumed>) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] 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 8324 attached [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8324] set_robust_list(0x7ff2a101e9a0, 24 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8324] <... set_robust_list resumed>) = 0 [pid 8323] <... sendmsg resumed>) = 0 [pid 8324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8324] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8324] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] <... futex resumed>) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8324] <... futex resumed>) = 1 [pid 8324] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8323] <... sendmsg resumed>) = 0 [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8323] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8323] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8322] exit_group(0) = ? [pid 8324] <... futex resumed>) = ? [pid 8324] +++ exited with 0 +++ [pid 8323] <... futex resumed>) = ? [pid 8323] +++ exited with 0 +++ [pid 8322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8325 ./strace-static-x86_64: Process 8325 attached [pid 8325] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8325] setpgid(0, 0) = 0 [pid 8325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8325] write(3, "1000", 4) = 4 [pid 8325] close(3) = 0 executing program [pid 8325] write(1, "executing program\n", 18) = 18 [pid 8325] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8325] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8325] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8326 attached => {parent_tid=[8326]}, 88) = 8326 [pid 8326] set_robust_list(0x7ff2a103f9a0, 24 [pid 8325] rt_sigprocmask(SIG_SETMASK, [], [pid 8326] <... set_robust_list resumed>) = 0 [pid 8326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8326] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8325] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8326] <... futex resumed>) = 0 [pid 8326] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8326] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8326] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8325] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8325] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8326] <... futex resumed>) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8325] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8325] <... futex resumed>) = 0 [pid 8326] <... sendmsg resumed>) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8325] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8325] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8326] <... sendmsg resumed>) = 0 [pid 8325] <... mprotect resumed>) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8326] <... sendmsg resumed>) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8325] <... clone3 resumed> => {parent_tid=[8327]}, 88) = 8327 [pid 8325] rt_sigprocmask(SIG_SETMASK, [], [pid 8326] <... sendmsg resumed>) = 0 [pid 8325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8325] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8326] <... sendmsg resumed>) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8325] <... futex resumed>) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8325] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8326] <... sendmsg resumed>) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8326] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8326] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8327 attached [pid 8327] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8327] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8327] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8325] <... futex resumed>) = 0 [pid 8325] exit_group(0) = ? [pid 8327] exit_group(0 [pid 8326] <... futex resumed>) = ? [pid 8327] <... exit_group resumed>) = ? [pid 8326] +++ exited with 0 +++ [pid 8327] +++ exited with 0 +++ [pid 8325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8325, si_uid=0, si_status=0, 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 8328 attached , child_tidptr=0x55556cb53690) = 8328 [pid 8328] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8328] setpgid(0, 0) = 0 [pid 8328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8328] write(3, "1000", 4) = 4 [pid 8328] close(3) = 0 [pid 8328] write(1, "executing program\n", 18executing program ) = 18 [pid 8328] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8328] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8328] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8329 attached => {parent_tid=[8329]}, 88) = 8329 [pid 8329] set_robust_list(0x7ff2a103f9a0, 24 [pid 8328] rt_sigprocmask(SIG_SETMASK, [], [pid 8329] <... set_robust_list resumed>) = 0 [pid 8329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8329] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8328] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8329] <... futex resumed>) = 0 [pid 8329] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8328] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] <... socketpair resumed>[3, 4]) = 0 [pid 8329] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8329] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8328] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8329] <... futex resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8328] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8329] <... sendmsg resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8328] <... futex resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8329] <... sendmsg resumed>) = 0 [pid 8328] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8328] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8329] <... sendmsg resumed>) = 0 [pid 8328] <... mprotect resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8329] <... sendmsg resumed>) = 0 [pid 8328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8328] <... clone3 resumed> => {parent_tid=[8330]}, 88) = 8330 [pid 8328] rt_sigprocmask(SIG_SETMASK, [], [pid 8329] <... sendmsg resumed>) = 0 [pid 8328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8328] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8330 attached ) = 0 [pid 8328] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] <... sendmsg resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8330] set_robust_list(0x7ff2a101e9a0, 24 [pid 8329] <... sendmsg resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8330] <... set_robust_list resumed>) = 0 [pid 8329] <... sendmsg resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8330] rt_sigprocmask(SIG_SETMASK, [], [pid 8329] <... sendmsg resumed>) = 0 [pid 8330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8330] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8329] <... sendmsg resumed>) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8329] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8329] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8330] <... setsockopt resumed>) = 0 [pid 8330] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8328] <... futex resumed>) = 0 [pid 8328] exit_group(0) = ? [pid 8329] <... futex resumed>) = ? [pid 8329] +++ exited with 0 +++ [pid 8330] +++ exited with 0 +++ [pid 8328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8331 ./strace-static-x86_64: Process 8331 attached [pid 8331] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8331] setpgid(0, 0) = 0 [pid 8331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8331] write(3, "1000", 4) = 4 [pid 8331] close(3executing program ) = 0 [pid 8331] write(1, "executing program\n", 18) = 18 [pid 8331] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8331] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8331] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8332 attached => {parent_tid=[8332]}, 88) = 8332 [pid 8332] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8332] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8331] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8332] <... futex resumed>) = 0 [pid 8332] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8332] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8332] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8331] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8332] <... futex resumed>) = 0 [pid 8331] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8331] <... futex resumed>) = 0 [pid 8331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8332] <... sendmsg resumed>) = 0 [pid 8331] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8331] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8331] <... mprotect resumed>) = 0 [pid 8331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8332] <... sendmsg resumed>) = 0 [pid 8331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8332] <... sendmsg resumed>) = 0 [pid 8331] <... clone3 resumed> => {parent_tid=[8333]}, 88) = 8333 ./strace-static-x86_64: Process 8333 attached [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8331] rt_sigprocmask(SIG_SETMASK, [], [pid 8333] set_robust_list(0x7ff2a101e9a0, 24 [pid 8331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8332] <... sendmsg resumed>) = 0 [pid 8331] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8333] <... set_robust_list resumed>) = 0 [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8331] <... futex resumed>) = 0 [pid 8333] rt_sigprocmask(SIG_SETMASK, [], [pid 8331] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8332] <... sendmsg resumed>) = 0 [pid 8333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8333] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8333] <... setsockopt resumed>) = 0 [pid 8333] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8331] <... futex resumed>) = 0 [pid 8332] <... sendmsg resumed>) = 0 [pid 8333] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8332] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8332] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8331] exit_group(0 [pid 8332] <... futex resumed>) = ? [pid 8331] <... exit_group resumed>) = ? [pid 8332] +++ exited with 0 +++ [pid 8333] <... futex resumed>) = ? [pid 8333] +++ exited with 0 +++ [pid 8331] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8334 ./strace-static-x86_64: Process 8334 attached [pid 8334] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8334] setpgid(0, 0) = 0 [pid 8334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8334] write(3, "1000", 4) = 4 [pid 8334] close(3) = 0 [pid 8334] write(1, "executing program\n", 18executing program ) = 18 [pid 8334] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8334] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8334] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8335 attached => {parent_tid=[8335]}, 88) = 8335 [pid 8335] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8335] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8334] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8335] <... futex resumed>) = 0 [pid 8335] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8334] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8335] <... socketpair resumed>[3, 4]) = 0 [pid 8335] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8335] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8334] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8335] <... futex resumed>) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8334] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8334] <... futex resumed>) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8335] <... sendmsg resumed>) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8334] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8334] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8335] <... sendmsg resumed>) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8335] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8334] <... mprotect resumed>) = 0 [pid 8335] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8334] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8336]}, 88) = 8336 ./strace-static-x86_64: Process 8336 attached [pid 8334] rt_sigprocmask(SIG_SETMASK, [], [pid 8336] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8336] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8334] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8336] <... futex resumed>) = 0 [pid 8334] <... futex resumed>) = 1 [pid 8336] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8334] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8336] <... setsockopt resumed>) = 0 [pid 8336] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8334] <... futex resumed>) = 0 [pid 8334] exit_group(0 [pid 8335] <... futex resumed>) = ? [pid 8334] <... exit_group resumed>) = ? [pid 8335] +++ exited with 0 +++ [pid 8336] +++ exited with 0 +++ [pid 8334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8334, si_uid=0, si_status=0, 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 8337 attached , child_tidptr=0x55556cb53690) = 8337 [pid 8337] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8337] setpgid(0, 0) = 0 [pid 8337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8337] write(3, "1000", 4) = 4 [pid 8337] close(3) = 0 executing program [pid 8337] write(1, "executing program\n", 18) = 18 [pid 8337] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8337] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8338]}, 88) = 8338 [pid 8337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8337] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8338 attached [pid 8338] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8338] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8338] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8337] <... futex resumed>) = 0 [pid 8337] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8337] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8339 attached => {parent_tid=[8339]}, 88) = 8339 [pid 8337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8337] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8337] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8338] <... futex resumed>) = 1 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8339] set_robust_list(0x7ff2a101e9a0, 24 [pid 8338] <... sendmsg resumed>) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8339] <... set_robust_list resumed>) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8339] rt_sigprocmask(SIG_SETMASK, [], [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8338] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8338] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8339] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8339] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8337] <... futex resumed>) = 0 [pid 8337] exit_group(0) = ? [pid 8339] <... futex resumed>) = ? [pid 8338] <... futex resumed>) = ? [pid 8338] +++ exited with 0 +++ [pid 8339] +++ exited with 0 +++ [pid 8337] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8340 ./strace-static-x86_64: Process 8340 attached [pid 8340] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8340] setpgid(0, 0) = 0 [pid 8340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8340] write(3, "1000", 4) = 4 [pid 8340] close(3) = 0 [pid 8340] write(1, "executing program\n", 18executing program ) = 18 [pid 8340] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8340] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8340] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8341 attached => {parent_tid=[8341]}, 88) = 8341 [pid 8341] set_robust_list(0x7ff2a103f9a0, 24 [pid 8340] rt_sigprocmask(SIG_SETMASK, [], [pid 8341] <... set_robust_list resumed>) = 0 [pid 8340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8341] rt_sigprocmask(SIG_SETMASK, [], [pid 8340] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8340] <... futex resumed>) = 0 [pid 8341] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8340] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8341] <... socketpair resumed>[3, 4]) = 0 [pid 8341] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8340] <... futex resumed>) = 0 [pid 8341] <... futex resumed>) = 1 [pid 8340] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] <... sendmsg resumed>) = 0 [pid 8340] <... futex resumed>) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8341] <... sendmsg resumed>) = 0 [pid 8340] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8341] <... sendmsg resumed>) = 0 [pid 8340] <... mprotect resumed>) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8341] <... sendmsg resumed>) = 0 [pid 8340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8341] <... sendmsg resumed>) = 0 [pid 8341] 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 8342 attached [pid 8340] <... clone3 resumed> => {parent_tid=[8342]}, 88) = 8342 [pid 8341] <... sendmsg resumed>) = 0 [pid 8340] rt_sigprocmask(SIG_SETMASK, [], [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8341] <... sendmsg resumed>) = 0 [pid 8340] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] <... futex resumed>) = 0 [pid 8341] <... sendmsg resumed>) = 0 [pid 8340] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8342] set_robust_list(0x7ff2a101e9a0, 24 [pid 8341] <... sendmsg resumed>) = 0 [pid 8342] <... set_robust_list resumed>) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8342] rt_sigprocmask(SIG_SETMASK, [], [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8342] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8342] <... setsockopt resumed>) = 0 [pid 8341] <... sendmsg resumed>) = 0 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8342] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] <... sendmsg resumed>) = 0 [pid 8342] <... futex resumed>) = 1 [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8340] <... futex resumed>) = 0 [pid 8341] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8342] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8341] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8341] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8340] exit_group(0 [pid 8342] <... futex resumed>) = ? [pid 8341] <... futex resumed>) = ? [pid 8340] <... exit_group resumed>) = ? [pid 8341] +++ exited with 0 +++ [pid 8342] +++ exited with 0 +++ [pid 8340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8343 ./strace-static-x86_64: Process 8343 attached [pid 8343] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8343] setpgid(0, 0) = 0 [pid 8343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8343] write(3, "1000", 4) = 4 [pid 8343] close(3) = 0 executing program [pid 8343] write(1, "executing program\n", 18) = 18 [pid 8343] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8343] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8343] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8343] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8344]}, 88) = 8344 [pid 8343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8343] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8343] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8344 attached [pid 8344] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8344] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8344] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8343] <... futex resumed>) = 0 [pid 8343] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8343] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8343] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8343] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8345]}, 88) = 8345 [pid 8343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8343] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8343] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] <... futex resumed>) = 1 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8344] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8344] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8345 attached [pid 8345] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8345] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8345] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8343] <... futex resumed>) = 0 [pid 8343] exit_group(0) = ? [pid 8344] <... futex resumed>) = ? [pid 8345] <... futex resumed>) = 231 [pid 8344] +++ exited with 0 +++ [pid 8345] +++ exited with 0 +++ [pid 8343] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8346 ./strace-static-x86_64: Process 8346 attached [pid 8346] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8346] setpgid(0, 0) = 0 [pid 8346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8346] write(3, "1000", 4) = 4 [pid 8346] close(3) = 0 [pid 8346] write(1, "executing program\n", 18executing program ) = 18 [pid 8346] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8346] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8346] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8347 attached => {parent_tid=[8347]}, 88) = 8347 [pid 8347] set_robust_list(0x7ff2a103f9a0, 24 [pid 8346] rt_sigprocmask(SIG_SETMASK, [], [pid 8347] <... set_robust_list resumed>) = 0 [pid 8346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8347] rt_sigprocmask(SIG_SETMASK, [], [pid 8346] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8346] <... futex resumed>) = 0 [pid 8347] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8346] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8347] <... socketpair resumed>[3, 4]) = 0 [pid 8347] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8346] <... futex resumed>) = 0 [pid 8347] <... futex resumed>) = 1 [pid 8346] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... futex resumed>) = 0 [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... futex resumed>) = 0 [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... mprotect resumed>) = 0 [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8347] 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 8348 attached [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... clone3 resumed> => {parent_tid=[8348]}, 88) = 8348 [pid 8348] set_robust_list(0x7ff2a101e9a0, 24 [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] rt_sigprocmask(SIG_SETMASK, [], [pid 8348] <... set_robust_list resumed>) = 0 [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8348] rt_sigprocmask(SIG_SETMASK, [], [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8346] <... futex resumed>) = 0 [pid 8348] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8347] <... sendmsg resumed>) = 0 [pid 8346] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] <... setsockopt resumed>) = 0 [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8348] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... sendmsg resumed>) = 0 [pid 8348] <... futex resumed>) = 1 [pid 8346] <... futex resumed>) = 0 [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8348] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8347] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8347] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8347] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8346] exit_group(0 [pid 8347] <... futex resumed>) = 231 [pid 8346] <... exit_group resumed>) = ? [pid 8348] <... futex resumed>) = ? [pid 8348] +++ exited with 0 +++ [pid 8347] +++ exited with 0 +++ [pid 8346] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8346, si_uid=0, si_status=0, 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 8349 attached , child_tidptr=0x55556cb53690) = 8349 [pid 8349] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8349] setpgid(0, 0) = 0 [pid 8349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8349] write(3, "1000", 4) = 4 [pid 8349] close(3) = 0 [pid 8349] write(1, "executing program\n", 18executing program ) = 18 [pid 8349] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8349] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8349] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8350 attached => {parent_tid=[8350]}, 88) = 8350 [pid 8350] set_robust_list(0x7ff2a103f9a0, 24 [pid 8349] rt_sigprocmask(SIG_SETMASK, [], [pid 8350] <... set_robust_list resumed>) = 0 [pid 8349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8350] rt_sigprocmask(SIG_SETMASK, [], [pid 8349] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8349] <... futex resumed>) = 0 [pid 8350] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8349] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8350] <... socketpair resumed>[3, 4]) = 0 [pid 8350] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8349] <... futex resumed>) = 0 [pid 8350] <... futex resumed>) = 1 [pid 8349] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8349] <... futex resumed>) = 0 [pid 8350] <... sendmsg resumed>) = 0 [pid 8349] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8349] <... futex resumed>) = 0 [pid 8350] <... sendmsg resumed>) = 0 [pid 8349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8349] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8350] <... sendmsg resumed>) = 0 [pid 8349] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8349] <... mprotect resumed>) = 0 [pid 8350] <... sendmsg resumed>) = 0 [pid 8349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8350] <... sendmsg resumed>) = 0 [pid 8350] 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 8351 attached [pid 8349] <... clone3 resumed> => {parent_tid=[8351]}, 88) = 8351 [pid 8351] set_robust_list(0x7ff2a101e9a0, 24 [pid 8350] <... sendmsg resumed>) = 0 [pid 8349] rt_sigprocmask(SIG_SETMASK, [], [pid 8351] <... set_robust_list resumed>) = 0 [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8351] rt_sigprocmask(SIG_SETMASK, [], [pid 8350] <... sendmsg resumed>) = 0 [pid 8349] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8349] <... futex resumed>) = 0 [pid 8351] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8350] <... sendmsg resumed>) = 0 [pid 8349] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8351] <... setsockopt resumed>) = 0 [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8351] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8350] <... sendmsg resumed>) = 0 [pid 8351] <... futex resumed>) = 1 [pid 8349] <... futex resumed>) = 0 [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8351] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8350] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8350] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8350] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8349] exit_group(0 [pid 8350] <... futex resumed>) = ? [pid 8351] <... futex resumed>) = ? [pid 8349] <... exit_group resumed>) = ? [pid 8350] +++ exited with 0 +++ [pid 8351] +++ exited with 0 +++ [pid 8349] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8352 ./strace-static-x86_64: Process 8352 attached [pid 8352] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8352] setpgid(0, 0) = 0 [pid 8352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8352] write(3, "1000", 4) = 4 [pid 8352] close(3) = 0 executing program [pid 8352] write(1, "executing program\n", 18) = 18 [pid 8352] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8352] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8352] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8352] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8353 attached => {parent_tid=[8353]}, 88) = 8353 [pid 8353] set_robust_list(0x7ff2a103f9a0, 24 [pid 8352] rt_sigprocmask(SIG_SETMASK, [], [pid 8353] <... set_robust_list resumed>) = 0 [pid 8352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8353] rt_sigprocmask(SIG_SETMASK, [], [pid 8352] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8352] <... futex resumed>) = 0 [pid 8353] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8352] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8353] <... socketpair resumed>[3, 4]) = 0 [pid 8353] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8352] <... futex resumed>) = 0 [pid 8353] <... futex resumed>) = 1 [pid 8352] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8352] <... futex resumed>) = 0 [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8352] <... futex resumed>) = 0 [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8352] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8352] <... mprotect resumed>) = 0 [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8353] <... sendmsg resumed>) = 0 [pid 8353] 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 8354 attached [pid 8352] <... clone3 resumed> => {parent_tid=[8354]}, 88) = 8354 [pid 8354] set_robust_list(0x7ff2a101e9a0, 24 [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] rt_sigprocmask(SIG_SETMASK, [], [pid 8354] <... set_robust_list resumed>) = 0 [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8354] rt_sigprocmask(SIG_SETMASK, [], [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8352] <... futex resumed>) = 0 [pid 8354] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8354] <... setsockopt resumed>) = 0 [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8354] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8353] <... sendmsg resumed>) = 0 [pid 8352] <... futex resumed>) = 0 [pid 8354] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8353] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8353] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8352] exit_group(0 [pid 8354] <... futex resumed>) = ? [pid 8353] <... futex resumed>) = ? [pid 8352] <... exit_group resumed>) = ? [pid 8354] +++ exited with 0 +++ [pid 8353] +++ exited with 0 +++ [pid 8352] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8352, si_uid=0, si_status=0, 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 8355 attached , child_tidptr=0x55556cb53690) = 8355 [pid 8355] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8355] setpgid(0, 0) = 0 [pid 8355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8355] write(3, "1000", 4) = 4 [pid 8355] close(3) = 0 [pid 8355] write(1, "executing program\n", 18executing program ) = 18 [pid 8355] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8355] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8355] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8355] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8356 attached => {parent_tid=[8356]}, 88) = 8356 [pid 8356] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8356] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8355] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8356] <... futex resumed>) = 0 [pid 8356] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8356] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8356] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8355] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8355] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8356] <... futex resumed>) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8355] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8356] <... sendmsg resumed>) = 0 [pid 8355] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8356] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8355] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8356] <... sendmsg resumed>) = 0 [pid 8356] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8356] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8355] <... mprotect resumed>) = 0 [pid 8355] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8357 attached [pid 8357] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8357] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8355] <... clone3 resumed> => {parent_tid=[8357]}, 88) = 8357 [pid 8355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8355] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8357] <... futex resumed>) = 0 [pid 8355] <... futex resumed>) = 1 [pid 8357] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8355] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8357] <... setsockopt resumed>) = 0 [pid 8357] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8355] <... futex resumed>) = 0 [pid 8357] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8355] exit_group(0) = ? [pid 8356] <... futex resumed>) = ? [pid 8356] +++ exited with 0 +++ [pid 8357] <... futex resumed>) = ? [pid 8357] +++ exited with 0 +++ [pid 8355] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8358 ./strace-static-x86_64: Process 8358 attached [pid 8358] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8358] setpgid(0, 0) = 0 [pid 8358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8358] write(3, "1000", 4) = 4 [pid 8358] close(3) = 0 [pid 8358] write(1, "executing program\n", 18executing program ) = 18 [pid 8358] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8358] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8358] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8359 attached => {parent_tid=[8359]}, 88) = 8359 [pid 8359] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8359] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8358] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8359] <... futex resumed>) = 0 [pid 8358] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8359] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8359] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8358] <... futex resumed>) = 0 [pid 8358] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8358] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8358] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8360]}, 88) = 8360 [pid 8358] rt_sigprocmask(SIG_SETMASK, [], [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8358] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8358] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8360 attached [pid 8360] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8360] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8360] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8358] <... futex resumed>) = 0 [pid 8360] <... futex resumed>) = 1 [pid 8360] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8359] <... sendmsg resumed>) = 0 [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8359] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8359] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8358] exit_group(0 [pid 8359] <... futex resumed>) = ? [pid 8360] <... futex resumed>) = ? [pid 8358] <... exit_group resumed>) = ? [pid 8359] +++ exited with 0 +++ [pid 8360] +++ exited with 0 +++ [pid 8358] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8358, si_uid=0, si_status=0, 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 8361 attached , child_tidptr=0x55556cb53690) = 8361 [pid 8361] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8361] setpgid(0, 0) = 0 [pid 8361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8361] write(3, "1000", 4) = 4 [pid 8361] close(3) = 0 [pid 8361] write(1, "executing program\n", 18executing program ) = 18 [pid 8361] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8361] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8362 attached => {parent_tid=[8362]}, 88) = 8362 [pid 8362] set_robust_list(0x7ff2a103f9a0, 24 [pid 8361] rt_sigprocmask(SIG_SETMASK, [], [pid 8362] <... set_robust_list resumed>) = 0 [pid 8362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8362] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8361] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8362] <... futex resumed>) = 0 [pid 8362] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8361] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8362] <... socketpair resumed>[3, 4]) = 0 [pid 8362] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8362] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8361] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8362] <... futex resumed>) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8361] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8361] <... futex resumed>) = 0 [pid 8362] <... sendmsg resumed>) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8362] <... sendmsg resumed>) = 0 [pid 8361] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8361] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8362] <... sendmsg resumed>) = 0 [pid 8361] <... mprotect resumed>) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8362] <... sendmsg resumed>) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8361] <... clone3 resumed> => {parent_tid=[8363]}, 88) = 8363 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8361] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] <... sendmsg resumed>) = 0 [pid 8361] <... futex resumed>) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8361] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] 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 8363 attached ) = 0 [pid 8363] set_robust_list(0x7ff2a101e9a0, 24 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8362] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8362] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8363] <... set_robust_list resumed>) = 0 [pid 8363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8363] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8363] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8361] <... futex resumed>) = 0 [pid 8361] exit_group(0) = ? [pid 8362] <... futex resumed>) = ? [pid 8362] +++ exited with 0 +++ [pid 8363] +++ exited with 0 +++ [pid 8361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8364 ./strace-static-x86_64: Process 8364 attached [pid 8364] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8364] setpgid(0, 0) = 0 [pid 8364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8364] write(3, "1000", 4) = 4 [pid 8364] close(3) = 0 [pid 8364] write(1, "executing program\n", 18) = 18 executing program [pid 8364] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8364] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8365 attached [pid 8365] set_robust_list(0x7ff2a103f9a0, 24 [pid 8364] <... clone3 resumed> => {parent_tid=[8365]}, 88) = 8365 [pid 8365] <... set_robust_list resumed>) = 0 [pid 8364] rt_sigprocmask(SIG_SETMASK, [], [pid 8365] rt_sigprocmask(SIG_SETMASK, [], [pid 8364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8364] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8364] <... futex resumed>) = 0 [pid 8364] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8365] <... socketpair resumed>[3, 4]) = 0 [pid 8365] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8364] <... futex resumed>) = 0 [pid 8365] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8364] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8364] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8366]}, 88) = 8366 [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8364] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8366 attached [pid 8366] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8366] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8366] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... futex resumed>) = 0 [pid 8365] <... sendmsg resumed>) = 0 [pid 8366] <... futex resumed>) = 1 [pid 8366] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8365] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8365] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8364] exit_group(0 [pid 8365] <... futex resumed>) = ? [pid 8364] <... exit_group resumed>) = ? [pid 8365] +++ exited with 0 +++ [pid 8366] <... futex resumed>) = ? [pid 8366] +++ exited with 0 +++ [pid 8364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8364, si_uid=0, si_status=0, 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 8367 attached , child_tidptr=0x55556cb53690) = 8367 [pid 8367] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8367] setpgid(0, 0) = 0 [pid 8367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8367] write(3, "1000", 4) = 4 [pid 8367] close(3executing program ) = 0 [pid 8367] write(1, "executing program\n", 18) = 18 [pid 8367] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8367] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8367] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8368 attached => {parent_tid=[8368]}, 88) = 8368 [pid 8368] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8368] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8367] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] <... futex resumed>) = 0 [pid 8367] <... futex resumed>) = 1 [pid 8368] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8367] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8368] <... socketpair resumed>[3, 4]) = 0 [pid 8368] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8368] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8367] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8368] <... futex resumed>) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8367] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] <... sendmsg resumed>) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8367] <... futex resumed>) = 0 [pid 8367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8368] <... sendmsg resumed>) = 0 [pid 8367] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8367] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8368] <... sendmsg resumed>) = 0 [pid 8367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8368] <... sendmsg resumed>) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8367] <... clone3 resumed> => {parent_tid=[8369]}, 88) = 8369 [pid 8367] rt_sigprocmask(SIG_SETMASK, [], [pid 8368] <... sendmsg resumed>) = 0 [pid 8367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8367] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8368] <... sendmsg resumed>) = 0 [pid 8367] <... futex resumed>) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8367] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8368] <... sendmsg resumed>) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] 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 8369 attached [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8369] set_robust_list(0x7ff2a101e9a0, 24 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8369] <... set_robust_list resumed>) = 0 [pid 8368] <... sendmsg resumed>) = 0 [pid 8368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8368] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] rt_sigprocmask(SIG_SETMASK, [], [pid 8368] <... futex resumed>) = 0 [pid 8369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8368] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8369] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8367] <... futex resumed>) = 0 [pid 8367] exit_group(0) = ? [pid 8369] +++ exited with 0 +++ [pid 8368] <... futex resumed>) = ? [pid 8368] +++ exited with 0 +++ [pid 8367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8370 ./strace-static-x86_64: Process 8370 attached [pid 8370] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8370] setpgid(0, 0) = 0 [pid 8370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8370] write(3, "1000", 4) = 4 [pid 8370] close(3) = 0 executing program [pid 8370] write(1, "executing program\n", 18) = 18 [pid 8370] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8370] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8370] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8371 attached => {parent_tid=[8371]}, 88) = 8371 [pid 8370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8370] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8370] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8371] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8371] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8371] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8370] <... futex resumed>) = 0 [pid 8370] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8370] <... futex resumed>) = 0 [pid 8370] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8370] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8372]}, 88) = 8372 [pid 8370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8370] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8370] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8372 attached [pid 8372] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8372] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8372] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8370] <... futex resumed>) = 0 [pid 8372] <... futex resumed>) = 1 [pid 8372] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8371] <... sendmsg resumed>) = 0 [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8371] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8371] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8370] exit_group(0) = ? [pid 8371] <... futex resumed>) = 231 [pid 8372] <... futex resumed>) = ? [pid 8371] +++ exited with 0 +++ [pid 8372] +++ exited with 0 +++ [pid 8370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8370, si_uid=0, si_status=0, 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 8373 attached , child_tidptr=0x55556cb53690) = 8373 [pid 8373] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8373] setpgid(0, 0) = 0 [pid 8373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8373] write(3, "1000", 4) = 4 [pid 8373] close(3) = 0 executing program [pid 8373] write(1, "executing program\n", 18) = 18 [pid 8373] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8373] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8373] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8374 attached => {parent_tid=[8374]}, 88) = 8374 [pid 8374] set_robust_list(0x7ff2a103f9a0, 24 [pid 8373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8373] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8373] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8374] <... set_robust_list resumed>) = 0 [pid 8374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8374] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8374] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8373] <... futex resumed>) = 0 [pid 8373] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8373] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8373] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8375 attached [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8373] <... clone3 resumed> => {parent_tid=[8375]}, 88) = 8375 [pid 8373] rt_sigprocmask(SIG_SETMASK, [], [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8374] <... sendmsg resumed>) = 0 [pid 8373] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8373] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8374] <... sendmsg resumed>) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8375] set_robust_list(0x7ff2a101e9a0, 24 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8375] <... set_robust_list resumed>) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8375] rt_sigprocmask(SIG_SETMASK, [], [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8374] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8374] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8375] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8375] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8373] <... futex resumed>) = 0 [pid 8373] exit_group(0) = ? [pid 8374] <... futex resumed>) = ? [pid 8374] +++ exited with 0 +++ [pid 8375] +++ exited with 0 +++ [pid 8373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8376 ./strace-static-x86_64: Process 8376 attached [pid 8376] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8376] setpgid(0, 0) = 0 [pid 8376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8376] write(3, "1000", 4) = 4 [pid 8376] close(3) = 0 [pid 8376] write(1, "executing program\n", 18executing program ) = 18 [pid 8376] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8376] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8376] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8377 attached => {parent_tid=[8377]}, 88) = 8377 [pid 8377] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8377] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8376] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8377] <... futex resumed>) = 0 [pid 8377] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8376] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8377] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8377] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8376] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8377] <... futex resumed>) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8376] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8376] <... futex resumed>) = 0 [pid 8377] <... sendmsg resumed>) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8377] <... sendmsg resumed>) = 0 [pid 8376] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8376] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8377] <... sendmsg resumed>) = 0 [pid 8376] <... mprotect resumed>) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8377] <... sendmsg resumed>) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8376] <... clone3 resumed> => {parent_tid=[8378]}, 88) = 8378 [pid 8377] <... sendmsg resumed>) = 0 [pid 8376] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8378 attached NULL, 8) = 0 [pid 8376] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8376] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8377] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8377] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8378] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8378] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8378] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8376] <... futex resumed>) = 0 [pid 8378] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8376] exit_group(0 [pid 8377] <... futex resumed>) = ? [pid 8377] +++ exited with 0 +++ [pid 8376] <... exit_group resumed>) = ? [pid 8378] <... futex resumed>) = ? [pid 8378] +++ exited with 0 +++ [pid 8376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8379 ./strace-static-x86_64: Process 8379 attached [pid 8379] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8379] setpgid(0, 0) = 0 [pid 8379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8379] write(3, "1000", 4) = 4 [pid 8379] close(3) = 0 executing program [pid 8379] write(1, "executing program\n", 18) = 18 [pid 8379] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8379] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8379] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8380 attached => {parent_tid=[8380]}, 88) = 8380 [pid 8380] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8380] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8379] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8380] <... futex resumed>) = 0 [pid 8380] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8380] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8379] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8380] <... futex resumed>) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8380] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] <... futex resumed>) = 0 [pid 8379] <... futex resumed>) = 1 [pid 8380] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8380] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8380] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8379] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8379] exit_group(0) = ? [pid 8380] <... futex resumed>) = ? [pid 8380] +++ exited with 0 +++ [pid 8379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8381 ./strace-static-x86_64: Process 8381 attached [pid 8381] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8381] setpgid(0, 0) = 0 [pid 8381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8381] write(3, "1000", 4) = 4 [pid 8381] close(3) = 0 executing program [pid 8381] write(1, "executing program\n", 18) = 18 [pid 8381] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8381] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8382 attached [pid 8382] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8382] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] <... clone3 resumed> => {parent_tid=[8382]}, 88) = 8382 [pid 8381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8381] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8382] <... futex resumed>) = 0 [pid 8381] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8382] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8382] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8381] <... futex resumed>) = 0 [pid 8381] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8381] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8381] <... clone3 resumed> => {parent_tid=[8383]}, 88) = 8383 [pid 8381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8381] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8381] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8383 attached [pid 8383] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8383] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8383] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... futex resumed>) = 0 [pid 8383] <... futex resumed>) = 1 [pid 8382] <... sendmsg resumed>) = 0 [pid 8383] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8382] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8382] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] exit_group(0 [pid 8382] <... futex resumed>) = ? [pid 8383] <... futex resumed>) = ? [pid 8381] <... exit_group resumed>) = ? [pid 8382] +++ exited with 0 +++ [pid 8383] +++ exited with 0 +++ [pid 8381] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8381, si_uid=0, si_status=0, 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 8384 attached , child_tidptr=0x55556cb53690) = 8384 [pid 8384] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8384] setpgid(0, 0) = 0 [pid 8384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8384] write(3, "1000", 4) = 4 [pid 8384] close(3executing program ) = 0 [pid 8384] write(1, "executing program\n", 18) = 18 [pid 8384] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8384] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8384] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8385]}, 88) = 8385 ./strace-static-x86_64: Process 8385 attached [pid 8384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8384] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8384] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8385] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8385] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8385] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8384] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8384] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8384] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8384] <... clone3 resumed> => {parent_tid=[8386]}, 88) = 8386 [pid 8384] rt_sigprocmask(SIG_SETMASK, [], [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8385] <... sendmsg resumed>) = 0 [pid 8384] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8384] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8385] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8385] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8386 attached [pid 8386] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8386] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8386] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] <... futex resumed>) = 0 [pid 8384] exit_group(0 [pid 8385] <... futex resumed>) = ? [pid 8384] <... exit_group resumed>) = ? [pid 8385] +++ exited with 0 +++ [pid 8386] <... futex resumed>) = ? [pid 8386] +++ exited with 0 +++ [pid 8384] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8387 ./strace-static-x86_64: Process 8387 attached [pid 8387] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8387] setpgid(0, 0) = 0 [pid 8387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8387] write(3, "1000", 4) = 4 [pid 8387] close(3) = 0 [pid 8387] write(1, "executing program\n", 18executing program ) = 18 [pid 8387] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8387] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8387] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8388 attached [pid 8388] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8388] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8387] <... clone3 resumed> => {parent_tid=[8388]}, 88) = 8388 [pid 8387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8387] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8388] <... futex resumed>) = 0 [pid 8388] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8388] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8388] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8387] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8387] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8388] <... futex resumed>) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8387] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8387] <... futex resumed>) = 0 [pid 8388] <... sendmsg resumed>) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8388] <... sendmsg resumed>) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8387] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8387] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8388] <... sendmsg resumed>) = 0 [pid 8387] <... mprotect resumed>) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8388] <... sendmsg resumed>) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8388] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8387] <... clone3 resumed> => {parent_tid=[8389]}, 88) = 8389 [pid 8388] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8387] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8387] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8389 attached [pid 8389] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8389] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8389] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8387] <... futex resumed>) = 0 [pid 8387] exit_group(0) = ? [pid 8388] <... futex resumed>) = ? [pid 8388] +++ exited with 0 +++ [pid 8389] +++ exited with 0 +++ [pid 8387] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8390 ./strace-static-x86_64: Process 8390 attached [pid 8390] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8390] setpgid(0, 0) = 0 [pid 8390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8390] write(3, "1000", 4) = 4 [pid 8390] close(3) = 0 [pid 8390] write(1, "executing program\n", 18executing program ) = 18 [pid 8390] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8390] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8390] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8391 attached => {parent_tid=[8391]}, 88) = 8391 [pid 8391] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8391] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8390] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8391] <... futex resumed>) = 0 [pid 8391] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8390] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8391] <... socketpair resumed>[3, 4]) = 0 [pid 8391] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8391] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8390] <... futex resumed>) = 0 [pid 8390] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8391] <... futex resumed>) = 0 [pid 8390] <... futex resumed>) = 1 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8390] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8391] <... sendmsg resumed>) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8390] <... futex resumed>) = 0 [pid 8390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8391] <... sendmsg resumed>) = 0 [pid 8390] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8390] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8391] <... sendmsg resumed>) = 0 [pid 8390] <... mprotect resumed>) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8391] <... sendmsg resumed>) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8390] <... clone3 resumed> => {parent_tid=[8392]}, 88) = 8392 [pid 8390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8390] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8391] <... sendmsg resumed>) = 0 [pid 8390] <... futex resumed>) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8390] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8391] <... sendmsg resumed>) = 0 [pid 8391] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8391] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8391] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8392 attached [pid 8392] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8392] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8392] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8390] <... futex resumed>) = 0 [pid 8390] exit_group(0) = ? [pid 8391] <... futex resumed>) = ? [pid 8391] +++ exited with 0 +++ [pid 8392] +++ exited with 0 +++ [pid 8390] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8390, si_uid=0, si_status=0, 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 8393 attached , child_tidptr=0x55556cb53690) = 8393 [pid 8393] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8393] setpgid(0, 0) = 0 [pid 8393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8393] write(3, "1000", 4) = 4 [pid 8393] close(3) = 0 [pid 8393] write(1, "executing program\n", 18executing program ) = 18 [pid 8393] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8393] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8393] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8394 attached => {parent_tid=[8394]}, 88) = 8394 [pid 8394] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8394] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8393] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8394] <... futex resumed>) = 0 [pid 8394] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8393] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8394] <... socketpair resumed>[3, 4]) = 0 [pid 8394] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8393] <... futex resumed>) = 0 [pid 8393] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8393] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8393] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8393] <... clone3 resumed> => {parent_tid=[8395]}, 88) = 8395 [pid 8393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8393] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8393] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8395 attached [pid 8395] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8395] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8395] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8393] <... futex resumed>) = 0 [pid 8395] <... futex resumed>) = 1 [pid 8395] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8394] <... sendmsg resumed>) = 0 [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8394] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8394] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8393] exit_group(0 [pid 8394] <... futex resumed>) = ? [pid 8393] <... exit_group resumed>) = ? [pid 8394] +++ exited with 0 +++ [pid 8395] <... futex resumed>) = ? [pid 8395] +++ exited with 0 +++ [pid 8393] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8396 ./strace-static-x86_64: Process 8396 attached [pid 8396] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8396] setpgid(0, 0) = 0 [pid 8396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8396] write(3, "1000", 4) = 4 [pid 8396] close(3) = 0 executing program [pid 8396] write(1, "executing program\n", 18) = 18 [pid 8396] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8396] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8396] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8397 attached => {parent_tid=[8397]}, 88) = 8397 [pid 8397] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8397] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8396] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8397] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8396] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8397] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8396] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8397] <... sendmsg resumed>) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8396] <... futex resumed>) = 0 [pid 8397] <... sendmsg resumed>) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8397] <... sendmsg resumed>) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8396] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8396] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8397] <... sendmsg resumed>) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8396] <... mprotect resumed>) = 0 [pid 8397] <... sendmsg resumed>) = 0 [pid 8397] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8397] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8398 attached [pid 8398] set_robust_list(0x7ff2a101e9a0, 24 [pid 8396] <... clone3 resumed> => {parent_tid=[8398]}, 88) = 8398 [pid 8398] <... set_robust_list resumed>) = 0 [pid 8396] rt_sigprocmask(SIG_SETMASK, [], [pid 8398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8398] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8396] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8398] <... futex resumed>) = 0 [pid 8396] <... futex resumed>) = 1 [pid 8398] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8398] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8398] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8396] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] exit_group(0 [pid 8398] <... futex resumed>) = ? [pid 8397] <... futex resumed>) = ? [pid 8396] <... exit_group resumed>) = ? [pid 8397] +++ exited with 0 +++ [pid 8398] +++ exited with 0 +++ [pid 8396] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8396, si_uid=0, si_status=0, 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 8399 attached , child_tidptr=0x55556cb53690) = 8399 [pid 8399] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8399] setpgid(0, 0) = 0 [pid 8399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8399] write(3, "1000", 4) = 4 [pid 8399] close(3) = 0 [pid 8399] write(1, "executing program\n", 18executing program ) = 18 [pid 8399] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8399] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8400]}, 88) = 8400 [pid 8399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8399] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8400 attached [pid 8400] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8400] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8400] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] <... futex resumed>) = 0 [pid 8399] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8399] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8401]}, 88) = 8401 [pid 8399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8399] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8399] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8400] <... futex resumed>) = 1 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8400] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8401 attached [pid 8401] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8401] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8401] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8399] <... futex resumed>) = 0 [pid 8399] exit_group(0) = ? [pid 8400] <... futex resumed>) = ? [pid 8400] +++ exited with 0 +++ [pid 8401] <... futex resumed>) = ? [pid 8401] +++ exited with 0 +++ [pid 8399] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8402 ./strace-static-x86_64: Process 8402 attached [pid 8402] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8402] setpgid(0, 0) = 0 [pid 8402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8402] write(3, "1000", 4) = 4 [pid 8402] close(3) = 0 [pid 8402] write(1, "executing program\n", 18executing program ) = 18 [pid 8402] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8402] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8402] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8402] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8403 attached => {parent_tid=[8403]}, 88) = 8403 [pid 8403] set_robust_list(0x7ff2a103f9a0, 24 [pid 8402] rt_sigprocmask(SIG_SETMASK, [], [pid 8403] <... set_robust_list resumed>) = 0 [pid 8402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8403] rt_sigprocmask(SIG_SETMASK, [], [pid 8402] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8402] <... futex resumed>) = 0 [pid 8403] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8402] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8403] <... socketpair resumed>[3, 4]) = 0 [pid 8403] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8402] <... futex resumed>) = 0 [pid 8402] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8402] <... futex resumed>) = 0 [pid 8403] <... sendmsg resumed>) = 0 [pid 8402] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8402] <... futex resumed>) = 0 [pid 8403] <... sendmsg resumed>) = 0 [pid 8402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8402] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8403] <... sendmsg resumed>) = 0 [pid 8402] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8402] <... mprotect resumed>) = 0 [pid 8403] <... sendmsg resumed>) = 0 [pid 8402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8403] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8404 attached [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8404] set_robust_list(0x7ff2a101e9a0, 24 [pid 8402] <... clone3 resumed> => {parent_tid=[8404]}, 88) = 8404 [pid 8404] <... set_robust_list resumed>) = 0 [pid 8403] <... sendmsg resumed>) = 0 [pid 8402] rt_sigprocmask(SIG_SETMASK, [], [pid 8404] rt_sigprocmask(SIG_SETMASK, [], [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8404] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8403] <... sendmsg resumed>) = 0 [pid 8402] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8402] <... futex resumed>) = 0 [pid 8404] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8403] <... sendmsg resumed>) = 0 [pid 8402] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8404] <... setsockopt resumed>) = 0 [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8404] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8403] <... sendmsg resumed>) = 0 [pid 8404] <... futex resumed>) = 1 [pid 8402] <... futex resumed>) = 0 [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8404] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8403] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8403] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8403] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8402] exit_group(0 [pid 8403] <... futex resumed>) = ? [pid 8404] <... futex resumed>) = ? [pid 8402] <... exit_group resumed>) = ? [pid 8403] +++ exited with 0 +++ [pid 8404] +++ exited with 0 +++ [pid 8402] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8405 ./strace-static-x86_64: Process 8405 attached [pid 8405] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8405] setpgid(0, 0) = 0 [pid 8405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8405] write(3, "1000", 4) = 4 [pid 8405] close(3) = 0 executing program [pid 8405] write(1, "executing program\n", 18) = 18 [pid 8405] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8405] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8405] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8406 attached => {parent_tid=[8406]}, 88) = 8406 [pid 8406] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8406] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8405] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8406] <... futex resumed>) = 0 [pid 8406] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8405] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] <... socketpair resumed>[3, 4]) = 0 [pid 8406] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8406] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8405] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] <... futex resumed>) = 0 [pid 8405] <... futex resumed>) = 1 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8405] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8406] <... sendmsg resumed>) = 0 [pid 8405] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8405] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8406] <... sendmsg resumed>) = 0 [pid 8405] <... mprotect resumed>) = 0 [pid 8405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8406] <... sendmsg resumed>) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8405] <... clone3 resumed> => {parent_tid=[8407]}, 88) = 8407 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8405] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8405] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] <... sendmsg resumed>) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8406] 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 8407 attached [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8407] set_robust_list(0x7ff2a101e9a0, 24 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8407] <... set_robust_list resumed>) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8407] rt_sigprocmask(SIG_SETMASK, [], [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8406] <... sendmsg resumed>) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8407] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8406] <... sendmsg resumed>) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8407] <... setsockopt resumed>) = 0 [pid 8406] <... sendmsg resumed>) = 0 [pid 8407] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8407] <... futex resumed>) = 1 [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8405] <... futex resumed>) = 0 [pid 8406] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8407] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8406] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8406] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8405] exit_group(0) = ? [pid 8407] <... futex resumed>) = ? [pid 8406] <... futex resumed>) = ? [pid 8406] +++ exited with 0 +++ [pid 8407] +++ exited with 0 +++ [pid 8405] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8408 ./strace-static-x86_64: Process 8408 attached [pid 8408] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8408] setpgid(0, 0) = 0 [pid 8408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8408] write(3, "1000", 4) = 4 [pid 8408] close(3) = 0 [pid 8408] write(1, "executing program\n", 18executing program ) = 18 [pid 8408] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8408] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8408] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8409 attached [pid 8409] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8409] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8408] <... clone3 resumed> => {parent_tid=[8409]}, 88) = 8409 [pid 8408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8408] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8409] <... futex resumed>) = 0 [pid 8409] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8409] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8409] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8408] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8408] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8409] <... futex resumed>) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8408] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8409] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8409] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8408] <... futex resumed>) = 0 [pid 8408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8408] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8410 attached => {parent_tid=[8410]}, 88) = 8410 [pid 8410] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8410] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8408] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8410] <... futex resumed>) = 0 [pid 8410] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8410] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8410] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8408] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8408] exit_group(0 [pid 8409] <... futex resumed>) = ? [pid 8408] <... exit_group resumed>) = ? [pid 8409] +++ exited with 0 +++ [pid 8410] <... futex resumed>) = ? [pid 8410] +++ exited with 0 +++ [pid 8408] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8408, si_uid=0, si_status=0, 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 8411 attached , child_tidptr=0x55556cb53690) = 8411 [pid 8411] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8411] setpgid(0, 0) = 0 [pid 8411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8411] write(3, "1000", 4executing program ) = 4 [pid 8411] close(3) = 0 [pid 8411] write(1, "executing program\n", 18) = 18 [pid 8411] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8411] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8412 attached => {parent_tid=[8412]}, 88) = 8412 [pid 8412] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8412] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8411] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8412] <... futex resumed>) = 0 [pid 8412] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8411] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8412] <... socketpair resumed>[3, 4]) = 0 [pid 8412] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8412] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8411] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8412] <... futex resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8411] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... sendmsg resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8411] <... futex resumed>) = 0 [pid 8412] <... sendmsg resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8412] <... sendmsg resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8411] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8412] <... sendmsg resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8411] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8412] <... sendmsg resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8411] <... mprotect resumed>) = 0 [pid 8412] <... sendmsg resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8412] <... sendmsg resumed>) = 0 [pid 8412] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8412] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8412] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8413 attached [pid 8411] <... clone3 resumed> => {parent_tid=[8413]}, 88) = 8413 [pid 8411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8411] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8411] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8413] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8413] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8413] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8411] <... futex resumed>) = 0 [pid 8411] exit_group(0) = ? [pid 8412] <... futex resumed>) = ? [pid 8412] +++ exited with 0 +++ [pid 8413] +++ exited with 0 +++ [pid 8411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8414 ./strace-static-x86_64: Process 8414 attached [pid 8414] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8414] setpgid(0, 0) = 0 [pid 8414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8414] write(3, "1000", 4) = 4 [pid 8414] close(3) = 0 [pid 8414] write(1, "executing program\n", 18executing program ) = 18 [pid 8414] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8414] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8414] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8414] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8415 attached => {parent_tid=[8415]}, 88) = 8415 [pid 8415] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8415] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8414] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8415] <... futex resumed>) = 0 [pid 8414] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8415] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8415] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8414] <... futex resumed>) = 0 [pid 8414] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8414] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8414] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8414] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8414] <... clone3 resumed> => {parent_tid=[8416]}, 88) = 8416 [pid 8414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8414] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8414] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8416 attached [pid 8416] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8416] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8416] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] <... futex resumed>) = 0 [pid 8416] <... futex resumed>) = 1 [pid 8415] <... sendmsg resumed>) = 0 [pid 8416] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8415] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8415] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8414] exit_group(0 [pid 8415] <... futex resumed>) = ? [pid 8414] <... exit_group resumed>) = ? [pid 8415] +++ exited with 0 +++ [pid 8416] <... futex resumed>) = ? [pid 8416] +++ exited with 0 +++ [pid 8414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8414, si_uid=0, si_status=0, 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 8417 attached , child_tidptr=0x55556cb53690) = 8417 [pid 8417] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8417] setpgid(0, 0) = 0 [pid 8417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8417] write(3, "1000", 4) = 4 [pid 8417] close(3) = 0 [pid 8417] write(1, "executing program\n", 18executing program ) = 18 [pid 8417] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8417] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8417] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8417] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8418 attached => {parent_tid=[8418]}, 88) = 8418 [pid 8418] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8418] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8417] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8418] <... futex resumed>) = 0 [pid 8418] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8417] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8418] <... socketpair resumed>[3, 4]) = 0 [pid 8418] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8418] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8417] <... futex resumed>) = 0 [pid 8417] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8418] <... futex resumed>) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8417] <... futex resumed>) = 1 [pid 8418] <... sendmsg resumed>) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8417] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8417] <... futex resumed>) = 0 [pid 8418] <... sendmsg resumed>) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8417] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8417] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8418] <... sendmsg resumed>) = 0 [pid 8417] <... mprotect resumed>) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8418] <... sendmsg resumed>) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8418] <... sendmsg resumed>) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8417] <... clone3 resumed> => {parent_tid=[8419]}, 88) = 8419 [pid 8417] rt_sigprocmask(SIG_SETMASK, [], [pid 8418] <... sendmsg resumed>) = 0 [pid 8417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8417] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8417] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8418] <... sendmsg resumed>) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] 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 8419 attached ) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8418] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8418] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8419] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8419] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8419] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8417] <... futex resumed>) = 0 [pid 8417] exit_group(0) = ? [pid 8418] <... futex resumed>) = ? [pid 8418] +++ exited with 0 +++ [pid 8419] +++ exited with 0 +++ [pid 8417] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8417, si_uid=0, si_status=0, 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 8420 attached , child_tidptr=0x55556cb53690) = 8420 [pid 8420] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8420] setpgid(0, 0) = 0 [pid 8420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8420] write(3, "1000", 4) = 4 executing program [pid 8420] close(3) = 0 [pid 8420] write(1, "executing program\n", 18) = 18 [pid 8420] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8420] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8421]}, 88) = 8421 ./strace-static-x86_64: Process 8421 attached [pid 8420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8420] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8421] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8421] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8421] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8420] <... futex resumed>) = 0 [pid 8420] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8420] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8421] 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 8422 attached [pid 8420] <... clone3 resumed> => {parent_tid=[8422]}, 88) = 8422 [pid 8422] set_robust_list(0x7ff2a101e9a0, 24 [pid 8421] <... sendmsg resumed>) = 0 [pid 8420] rt_sigprocmask(SIG_SETMASK, [], [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8422] <... set_robust_list resumed>) = 0 [pid 8421] <... sendmsg resumed>) = 0 [pid 8420] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8420] <... futex resumed>) = 0 [pid 8420] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8422] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8421] <... sendmsg resumed>) = 0 [pid 8422] <... setsockopt resumed>) = 0 [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8422] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8421] <... sendmsg resumed>) = 0 [pid 8422] <... futex resumed>) = 1 [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8420] <... futex resumed>) = 0 [pid 8422] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8421] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8421] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8421] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8420] exit_group(0 [pid 8422] <... futex resumed>) = ? [pid 8421] <... futex resumed>) = ? [pid 8420] <... exit_group resumed>) = ? [pid 8422] +++ exited with 0 +++ [pid 8421] +++ exited with 0 +++ [pid 8420] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8420, si_uid=0, si_status=0, 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 8423 attached , child_tidptr=0x55556cb53690) = 8423 [pid 8423] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8423] setpgid(0, 0) = 0 [pid 8423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8423] write(3, "1000", 4) = 4 [pid 8423] close(3executing program ) = 0 [pid 8423] write(1, "executing program\n", 18) = 18 [pid 8423] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8423] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8423] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8424 attached [pid 8424] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8424] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8423] <... clone3 resumed> => {parent_tid=[8424]}, 88) = 8424 [pid 8423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8423] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] <... futex resumed>) = 0 [pid 8423] <... futex resumed>) = 1 [pid 8424] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8423] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8424] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8424] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8423] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] <... futex resumed>) = 0 [pid 8423] <... futex resumed>) = 1 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8423] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] <... sendmsg resumed>) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8423] <... futex resumed>) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8424] <... sendmsg resumed>) = 0 [pid 8423] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8423] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8424] <... sendmsg resumed>) = 0 [pid 8423] <... mprotect resumed>) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8424] <... sendmsg resumed>) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8423] <... clone3 resumed> => {parent_tid=[8425]}, 88) = 8425 [pid 8424] <... sendmsg resumed>) = 0 [pid 8423] rt_sigprocmask(SIG_SETMASK, [], [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8423] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] <... sendmsg resumed>) = 0 [pid 8423] <... futex resumed>) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8423] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8424] <... sendmsg resumed>) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] 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 8425 attached ) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8425] set_robust_list(0x7ff2a101e9a0, 24 [pid 8424] <... sendmsg resumed>) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8424] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8424] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8425] <... set_robust_list resumed>) = 0 [pid 8425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8425] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8425] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8423] <... futex resumed>) = 0 [pid 8423] exit_group(0) = ? [pid 8424] <... futex resumed>) = ? [pid 8424] +++ exited with 0 +++ [pid 8425] +++ exited with 0 +++ [pid 8423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8423, si_uid=0, si_status=0, 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 8426 attached , child_tidptr=0x55556cb53690) = 8426 [pid 8426] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8426] setpgid(0, 0) = 0 [pid 8426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8426] write(3, "1000", 4) = 4 executing program [pid 8426] close(3) = 0 [pid 8426] write(1, "executing program\n", 18) = 18 [pid 8426] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8426] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8426] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8427 attached => {parent_tid=[8427]}, 88) = 8427 [pid 8427] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8427] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8426] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8427] <... futex resumed>) = 0 [pid 8427] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8426] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8427] <... socketpair resumed>[3, 4]) = 0 [pid 8427] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8426] <... futex resumed>) = 0 [pid 8426] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8426] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8426] <... futex resumed>) = 0 [pid 8426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8426] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8426] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8428]}, 88) = 8428 [pid 8427] <... sendmsg resumed>) = 0 [pid 8426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8426] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8426] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8428 attached [pid 8428] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8428] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8428] <... setsockopt resumed>) = 0 [pid 8428] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8426] <... futex resumed>) = 0 [pid 8428] <... futex resumed>) = 1 [pid 8428] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8427] <... sendmsg resumed>) = 0 [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8427] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8426] exit_group(0) = ? [pid 8428] <... futex resumed>) = ? [pid 8427] +++ exited with 0 +++ [pid 8428] +++ exited with 0 +++ [pid 8426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8426, si_uid=0, si_status=0, 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 8429 attached , child_tidptr=0x55556cb53690) = 8429 [pid 8429] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8429] setpgid(0, 0) = 0 [pid 8429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8429] write(3, "1000", 4) = 4 [pid 8429] close(3executing program ) = 0 [pid 8429] write(1, "executing program\n", 18) = 18 [pid 8429] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8429] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8430 attached => {parent_tid=[8430]}, 88) = 8430 [pid 8430] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8430] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8429] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8430] <... futex resumed>) = 0 [pid 8430] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8430] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8430] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8429] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8430] <... futex resumed>) = 0 [pid 8429] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8429] <... futex resumed>) = 0 [pid 8429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8430] <... sendmsg resumed>) = 0 [pid 8429] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8429] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8430] <... sendmsg resumed>) = 0 [pid 8429] <... mprotect resumed>) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8430] <... sendmsg resumed>) = 0 [pid 8429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8429] <... clone3 resumed> => {parent_tid=[8431]}, 88) = 8431 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8429] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8430] <... sendmsg resumed>) = 0 [pid 8429] <... futex resumed>) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8429] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8430] <... sendmsg resumed>) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] 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 8431 attached [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8431] set_robust_list(0x7ff2a101e9a0, 24 [pid 8430] <... sendmsg resumed>) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8431] <... set_robust_list resumed>) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8431] rt_sigprocmask(SIG_SETMASK, [], [pid 8430] <... sendmsg resumed>) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8430] <... sendmsg resumed>) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8430] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8430] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8431] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8431] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8429] exit_group(0) = ? [pid 8431] +++ exited with 0 +++ [pid 8430] <... futex resumed>) = ? [pid 8430] +++ exited with 0 +++ [pid 8429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8432 ./strace-static-x86_64: Process 8432 attached [pid 8432] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8432] setpgid(0, 0) = 0 [pid 8432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8432] write(3, "1000", 4) = 4 [pid 8432] close(3) = 0 [pid 8432] write(1, "executing program\n", 18executing program ) = 18 [pid 8432] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8432] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8432] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8433 attached => {parent_tid=[8433]}, 88) = 8433 [pid 8433] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8433] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8432] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8433] <... futex resumed>) = 0 [pid 8433] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8432] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] <... socketpair resumed>[3, 4]) = 0 [pid 8433] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8433] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8432] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8433] <... futex resumed>) = 0 [pid 8432] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8432] <... futex resumed>) = 0 [pid 8432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8433] <... sendmsg resumed>) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8432] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8432] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8433] <... sendmsg resumed>) = 0 [pid 8432] <... mprotect resumed>) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8432] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8433] <... sendmsg resumed>) = 0 [pid 8432] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8433] <... sendmsg resumed>) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8432] <... clone3 resumed> => {parent_tid=[8434]}, 88) = 8434 [pid 8432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8433] <... sendmsg resumed>) = 0 [pid 8432] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8432] <... futex resumed>) = 0 [pid 8433] <... sendmsg resumed>) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8432] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] <... sendmsg resumed>) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] 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 8434 attached [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8433] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8433] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8434] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8434] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8434] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8432] <... futex resumed>) = 0 [pid 8432] exit_group(0) = ? [pid 8433] <... futex resumed>) = ? [pid 8433] +++ exited with 0 +++ [pid 8434] +++ exited with 0 +++ [pid 8432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8432, si_uid=0, si_status=0, 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 8435 attached , child_tidptr=0x55556cb53690) = 8435 [pid 8435] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8435] setpgid(0, 0) = 0 [pid 8435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8435] write(3, "1000", 4) = 4 [pid 8435] close(3) = 0 [pid 8435] write(1, "executing program\n", 18executing program ) = 18 [pid 8435] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8435] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8435] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8436 attached => {parent_tid=[8436]}, 88) = 8436 [pid 8436] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8436] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8435] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8436] <... futex resumed>) = 0 [pid 8436] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8435] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8436] <... socketpair resumed>[3, 4]) = 0 [pid 8436] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8436] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8435] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8436] <... futex resumed>) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8435] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8435] <... futex resumed>) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8436] <... sendmsg resumed>) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8435] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8436] <... sendmsg resumed>) = 0 [pid 8435] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8435] <... mprotect resumed>) = 0 [pid 8436] <... sendmsg resumed>) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8436] <... sendmsg resumed>) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] 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 8437 attached [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8437] set_robust_list(0x7ff2a101e9a0, 24 [pid 8435] <... clone3 resumed> => {parent_tid=[8437]}, 88) = 8437 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8436] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8437] <... set_robust_list resumed>) = 0 [pid 8436] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8435] rt_sigprocmask(SIG_SETMASK, [], [pid 8437] rt_sigprocmask(SIG_SETMASK, [], [pid 8435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8435] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8437] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8435] <... futex resumed>) = 0 [pid 8437] <... setsockopt resumed>) = 0 [pid 8435] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8437] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8435] <... futex resumed>) = 0 [pid 8435] exit_group(0) = ? [pid 8437] +++ exited with 0 +++ [pid 8436] <... futex resumed>) = ? [pid 8436] +++ exited with 0 +++ [pid 8435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8435, si_uid=0, si_status=0, 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 8438 attached [pid 8438] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8438] setpgid(0, 0) = 0 [pid 371] <... clone resumed>, child_tidptr=0x55556cb53690) = 8438 [pid 8438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8438] write(3, "1000", 4) = 4 [pid 8438] close(3) = 0 [pid 8438] write(1, "executing program\n", 18executing program ) = 18 [pid 8438] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8438] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8438] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8439 attached => {parent_tid=[8439]}, 88) = 8439 [pid 8439] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8439] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8438] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8439] <... futex resumed>) = 0 [pid 8439] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8438] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8439] <... socketpair resumed>[3, 4]) = 0 [pid 8439] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8439] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8438] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8439] <... futex resumed>) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8438] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8439] <... sendmsg resumed>) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8438] <... futex resumed>) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8438] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8438] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8438] <... mprotect resumed>) = 0 [pid 8439] <... sendmsg resumed>) = 0 [pid 8438] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8438] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8439] <... sendmsg resumed>) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8438] <... clone3 resumed> => {parent_tid=[8440]}, 88) = 8440 [pid 8438] rt_sigprocmask(SIG_SETMASK, [], [pid 8439] <... sendmsg resumed>) = 0 [pid 8438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8438] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8438] <... futex resumed>) = 0 [pid 8438] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8439] <... sendmsg resumed>) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8439] 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 8440 attached ) = 0 [pid 8439] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8439] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8440] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8440] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8440] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8438] <... futex resumed>) = 0 [pid 8438] exit_group(0) = ? [pid 8439] <... futex resumed>) = ? [pid 8439] +++ exited with 0 +++ [pid 8440] +++ exited with 0 +++ [pid 8438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8441 ./strace-static-x86_64: Process 8441 attached [pid 8441] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8441] setpgid(0, 0) = 0 [pid 8441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8441] write(3, "1000", 4) = 4 [pid 8441] close(3) = 0 [pid 8441] write(1, "executing program\n", 18executing program ) = 18 [pid 8441] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8441] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8442]}, 88) = 8442 [pid 8441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8441] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8442 attached [pid 8442] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8442] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8442] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... futex resumed>) = 0 [pid 8441] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8441] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8441] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8442] <... futex resumed>) = 1 [pid 8441] <... clone3 resumed> => {parent_tid=[8443]}, 88) = 8443 ./strace-static-x86_64: Process 8443 attached [pid 8441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8441] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8441] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8443] set_robust_list(0x7ff2a101e9a0, 24 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8443] <... set_robust_list resumed>) = 0 [pid 8442] <... sendmsg resumed>) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8442] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8442] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8443] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8443] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8441] <... futex resumed>) = 0 [pid 8441] exit_group(0 [pid 8442] <... futex resumed>) = ? [pid 8441] <... exit_group resumed>) = ? [pid 8442] +++ exited with 0 +++ [pid 8443] <... futex resumed>) = ? [pid 8443] +++ exited with 0 +++ [pid 8441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8445 ./strace-static-x86_64: Process 8445 attached [pid 8445] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8445] setpgid(0, 0) = 0 [pid 8445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8445] write(3, "1000", 4) = 4 [pid 8445] close(3executing program ) = 0 [pid 8445] write(1, "executing program\n", 18) = 18 [pid 8445] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8445] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8445] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8446]}, 88) = 8446 [pid 8445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8445] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8445] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8446 attached [pid 8446] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8446] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8446] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8445] <... futex resumed>) = 0 [pid 8445] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8445] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8445] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8447]}, 88) = 8447 [pid 8445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8445] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8445] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8446] <... futex resumed>) = 1 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8446] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8446] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8447 attached [pid 8447] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8447] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8447] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8445] <... futex resumed>) = 0 [pid 8445] exit_group(0) = ? [pid 8446] <... futex resumed>) = ? [pid 8446] +++ exited with 0 +++ [pid 8447] <... futex resumed>) = ? [pid 8447] +++ exited with 0 +++ [pid 8445] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8445, si_uid=0, si_status=0, 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 8448 attached , child_tidptr=0x55556cb53690) = 8448 [pid 8448] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8448] setpgid(0, 0) = 0 [pid 8448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8448] write(3, "1000", 4) = 4 [pid 8448] close(3executing program ) = 0 [pid 8448] write(1, "executing program\n", 18) = 18 [pid 8448] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8448] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8448] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8449]}, 88) = 8449 [pid 8448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8448] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8448] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8449 attached [pid 8449] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8449] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8449] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8448] <... futex resumed>) = 0 [pid 8448] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8448] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8448] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8450]}, 88) = 8450 ./strace-static-x86_64: Process 8450 attached [pid 8448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8448] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8448] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8449] <... futex resumed>) = 1 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8450] set_robust_list(0x7ff2a101e9a0, 24 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8450] <... set_robust_list resumed>) = 0 [pid 8449] <... sendmsg resumed>) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8449] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8449] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8450] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8450] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8448] <... futex resumed>) = 0 [pid 8448] exit_group(0) = ? [pid 8450] +++ exited with 0 +++ [pid 8449] <... futex resumed>) = ? [pid 8449] +++ exited with 0 +++ [pid 8448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8451 ./strace-static-x86_64: Process 8451 attached [pid 8451] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8451] setpgid(0, 0) = 0 [pid 8451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8451] write(3, "1000", 4) = 4 [pid 8451] close(3) = 0 [pid 8451] write(1, "executing program\n", 18executing program ) = 18 [pid 8451] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8451] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8451] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8452 attached => {parent_tid=[8452]}, 88) = 8452 [pid 8452] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8452] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8451] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8452] <... futex resumed>) = 0 [pid 8452] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8452] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8452] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8451] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8451] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8452] <... futex resumed>) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8451] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8451] <... futex resumed>) = 0 [pid 8452] <... sendmsg resumed>) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8452] <... sendmsg resumed>) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8452] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8452] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8451] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8451] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8453 attached => {parent_tid=[8453]}, 88) = 8453 [pid 8453] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8451] rt_sigprocmask(SIG_SETMASK, [], [pid 8453] rt_sigprocmask(SIG_SETMASK, [], [pid 8451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8451] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8453] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8451] <... futex resumed>) = 0 [pid 8451] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8453] <... setsockopt resumed>) = 0 [pid 8453] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8451] <... futex resumed>) = 0 [pid 8453] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8451] exit_group(0 [pid 8452] <... futex resumed>) = ? [pid 8451] <... exit_group resumed>) = ? [pid 8452] +++ exited with 0 +++ [pid 8453] <... futex resumed>) = ? [pid 8453] +++ exited with 0 +++ [pid 8451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8451, si_uid=0, si_status=0, 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 8454 attached , child_tidptr=0x55556cb53690) = 8454 [pid 8454] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8454] setpgid(0, 0) = 0 [pid 8454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8454] write(3, "1000", 4) = 4 [pid 8454] close(3) = 0 [pid 8454] write(1, "executing program\n", 18executing program ) = 18 [pid 8454] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8454] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8454] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8455 attached => {parent_tid=[8455]}, 88) = 8455 [pid 8455] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8455] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8454] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8455] <... futex resumed>) = 0 [pid 8455] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8455] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8455] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8454] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8454] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8455] <... futex resumed>) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8454] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] <... sendmsg resumed>) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8454] <... futex resumed>) = 0 [pid 8455] <... sendmsg resumed>) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8455] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8455] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8454] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8456 attached [pid 8456] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8456] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8454] <... clone3 resumed> => {parent_tid=[8456]}, 88) = 8456 [pid 8454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8454] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8456] <... futex resumed>) = 0 [pid 8456] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8456] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8456] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8454] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8454] exit_group(0) = ? [pid 8455] <... futex resumed>) = ? [pid 8455] +++ exited with 0 +++ [pid 8456] <... futex resumed>) = ? [pid 8456] +++ exited with 0 +++ [pid 8454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8454, si_uid=0, si_status=0, 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 8457 attached , child_tidptr=0x55556cb53690) = 8457 [pid 8457] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8457] setpgid(0, 0) = 0 [pid 8457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8457] write(3, "1000", 4) = 4 [pid 8457] close(3) = 0 [pid 8457] write(1, "executing program\n", 18executing program ) = 18 [pid 8457] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8457] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8457] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8458 attached => {parent_tid=[8458]}, 88) = 8458 [pid 8458] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8458] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8457] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8458] <... futex resumed>) = 0 [pid 8458] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8457] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8458] <... socketpair resumed>[3, 4]) = 0 [pid 8458] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8458] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8457] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8458] <... futex resumed>) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8457] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8458] <... sendmsg resumed>) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8457] <... futex resumed>) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8458] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8458] <... sendmsg resumed>) = 0 [pid 8458] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8458] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8457] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8457] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8459 attached => {parent_tid=[8459]}, 88) = 8459 [pid 8459] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8459] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8457] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8459] <... futex resumed>) = 0 [pid 8457] <... futex resumed>) = 1 [pid 8459] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8459] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8459] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8457] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8457] exit_group(0 [pid 8458] <... futex resumed>) = ? [pid 8457] <... exit_group resumed>) = ? [pid 8458] +++ exited with 0 +++ [pid 8459] <... futex resumed>) = ? [pid 8459] +++ exited with 0 +++ [pid 8457] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8460 ./strace-static-x86_64: Process 8460 attached [pid 8460] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8460] setpgid(0, 0) = 0 [pid 8460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8460] write(3, "1000", 4) = 4 [pid 8460] close(3) = 0 [pid 8460] write(1, "executing program\n", 18executing program ) = 18 [pid 8460] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8460] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8460] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8461 attached => {parent_tid=[8461]}, 88) = 8461 [pid 8461] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8461] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8460] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8461] <... futex resumed>) = 0 [pid 8461] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8460] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8461] <... socketpair resumed>[3, 4]) = 0 [pid 8461] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8461] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8460] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8461] <... futex resumed>) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8460] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8461] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8461] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] <... futex resumed>) = 0 [pid 8460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8460] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8460] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8462 attached => {parent_tid=[8462]}, 88) = 8462 [pid 8462] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8462] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8460] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8462] <... futex resumed>) = 0 [pid 8462] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8462] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8462] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8460] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8460] exit_group(0 [pid 8461] <... futex resumed>) = ? [pid 8460] <... exit_group resumed>) = ? [pid 8461] +++ exited with 0 +++ [pid 8462] <... futex resumed>) = ? [pid 8462] +++ exited with 0 +++ [pid 8460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8460, si_uid=0, si_status=0, 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 8463 attached , child_tidptr=0x55556cb53690) = 8463 [pid 8463] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8463] setpgid(0, 0) = 0 [pid 8463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8463] write(3, "1000", 4) = 4 [pid 8463] close(3) = 0 [pid 8463] write(1, "executing program\n", 18executing program ) = 18 [pid 8463] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8463] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8463] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8464 attached => {parent_tid=[8464]}, 88) = 8464 [pid 8464] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8464] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8463] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8464] <... futex resumed>) = 0 [pid 8463] <... futex resumed>) = 1 [pid 8464] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8463] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8464] <... socketpair resumed>[3, 4]) = 0 [pid 8464] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8464] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8463] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8464] <... futex resumed>) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8463] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8464] <... sendmsg resumed>) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8463] <... futex resumed>) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8463] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8463] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8464] <... sendmsg resumed>) = 0 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8463] <... mprotect resumed>) = 0 [pid 8464] <... sendmsg resumed>) = 0 [pid 8463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8464] <... sendmsg resumed>) = 0 [pid 8463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8464] 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 8465 attached [pid 8465] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8465] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8464] <... sendmsg resumed>) = 0 [pid 8463] <... clone3 resumed> => {parent_tid=[8465]}, 88) = 8465 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8463] rt_sigprocmask(SIG_SETMASK, [], [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8464] <... sendmsg resumed>) = 0 [pid 8463] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8463] <... futex resumed>) = 1 [pid 8465] <... futex resumed>) = 0 [pid 8465] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8465] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8465] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8464] <... sendmsg resumed>) = 0 [pid 8463] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8464] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8464] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8464] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8463] exit_group(0) = ? [pid 8464] <... futex resumed>) = ? [pid 8464] +++ exited with 0 +++ [pid 8465] <... futex resumed>) = ? [pid 8465] +++ exited with 0 +++ [pid 8463] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8466 ./strace-static-x86_64: Process 8466 attached [pid 8466] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8466] setpgid(0, 0) = 0 [pid 8466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8466] write(3, "1000", 4) = 4 [pid 8466] close(3) = 0 [pid 8466] write(1, "executing program\n", 18executing program ) = 18 [pid 8466] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8466] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8466] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8467 attached => {parent_tid=[8467]}, 88) = 8467 [pid 8467] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8467] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8466] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8467] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8467] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8467] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8466] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8466] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8466] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8467] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8467] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8466] <... futex resumed>) = 0 [pid 8466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8466] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8468 attached [pid 8468] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8468] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8466] <... clone3 resumed> => {parent_tid=[8468]}, 88) = 8468 [pid 8466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8466] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8468] <... futex resumed>) = 0 [pid 8466] <... futex resumed>) = 1 [pid 8468] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8466] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8468] <... setsockopt resumed>) = 0 [pid 8468] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8468] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8466] <... futex resumed>) = 0 [pid 8466] exit_group(0) = ? [pid 8467] <... futex resumed>) = ? [pid 8467] +++ exited with 0 +++ [pid 8468] <... futex resumed>) = ? [pid 8468] +++ exited with 0 +++ [pid 8466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8466, si_uid=0, si_status=0, 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 8469 attached , child_tidptr=0x55556cb53690) = 8469 [pid 8469] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8469] setpgid(0, 0) = 0 [pid 8469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8469] write(3, "1000", 4) = 4 [pid 8469] close(3executing program ) = 0 [pid 8469] write(1, "executing program\n", 18) = 18 [pid 8469] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8469] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8469] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8470 attached => {parent_tid=[8470]}, 88) = 8470 [pid 8470] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8470] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8469] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8470] <... futex resumed>) = 0 [pid 8470] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8469] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8470] <... socketpair resumed>[3, 4]) = 0 [pid 8470] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8470] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8469] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8470] <... futex resumed>) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8469] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8470] <... sendmsg resumed>) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8469] <... futex resumed>) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8469] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8470] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8470] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8469] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8471 attached => {parent_tid=[8471]}, 88) = 8471 [pid 8471] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8471] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8469] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8471] <... futex resumed>) = 0 [pid 8471] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8469] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8471] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8471] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8469] exit_group(0 [pid 8470] <... futex resumed>) = ? [pid 8469] <... exit_group resumed>) = ? [pid 8470] +++ exited with 0 +++ [pid 8471] <... futex resumed>) = ? [pid 8471] +++ exited with 0 +++ [pid 8469] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8469, si_uid=0, si_status=0, 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 8472 attached , child_tidptr=0x55556cb53690) = 8472 [pid 8472] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8472] setpgid(0, 0) = 0 [pid 8472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8472] write(3, "1000", 4executing program ) = 4 [pid 8472] close(3) = 0 [pid 8472] write(1, "executing program\n", 18) = 18 [pid 8472] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8472] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8472] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8473]}, 88) = 8473 ./strace-static-x86_64: Process 8473 attached [pid 8472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8472] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8472] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8473] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8473] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8473] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8472] <... futex resumed>) = 0 [pid 8472] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8472] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8472] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8472] <... clone3 resumed> => {parent_tid=[8474]}, 88) = 8474 [pid 8472] rt_sigprocmask(SIG_SETMASK, [], [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8473] <... sendmsg resumed>) = 0 [pid 8472] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8472] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] 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 8474 attached ) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8473] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8473] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8474] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8474] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8474] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8472] <... futex resumed>) = 0 [pid 8472] exit_group(0) = ? [pid 8473] <... futex resumed>) = ? [pid 8473] +++ exited with 0 +++ [pid 8474] +++ exited with 0 +++ [pid 8472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8475 ./strace-static-x86_64: Process 8475 attached [pid 8475] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8475] setpgid(0, 0) = 0 [pid 8475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8475] write(3, "1000", 4) = 4 [pid 8475] close(3) = 0 [pid 8475] write(1, "executing program\n", 18executing program ) = 18 [pid 8475] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8475] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8475] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8476 attached => {parent_tid=[8476]}, 88) = 8476 [pid 8476] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8476] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8475] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8476] <... futex resumed>) = 0 [pid 8476] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8475] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8476] <... socketpair resumed>[3, 4]) = 0 [pid 8476] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8476] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8475] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8476] <... futex resumed>) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8475] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8475] <... futex resumed>) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8476] <... sendmsg resumed>) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8475] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8475] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8476] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8476] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8475] <... mprotect resumed>) = 0 [pid 8475] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8477 attached => {parent_tid=[8477]}, 88) = 8477 [pid 8477] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8477] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8475] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8477] <... futex resumed>) = 0 [pid 8477] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8477] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8477] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8475] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8475] exit_group(0 [pid 8476] <... futex resumed>) = ? [pid 8475] <... exit_group resumed>) = ? [pid 8476] +++ exited with 0 +++ [pid 8477] <... futex resumed>) = ? [pid 8477] +++ exited with 0 +++ [pid 8475] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8478 ./strace-static-x86_64: Process 8478 attached [pid 8478] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8478] setpgid(0, 0) = 0 [pid 8478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8478] write(3, "1000", 4) = 4 [pid 8478] close(3) = 0 [pid 8478] write(1, "executing program\n", 18executing program ) = 18 [pid 8478] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8478] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8478] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8479 attached => {parent_tid=[8479]}, 88) = 8479 [pid 8479] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8479] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8478] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8479] <... futex resumed>) = 0 [pid 8479] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8479] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8479] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8478] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8478] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8479] <... futex resumed>) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8478] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8479] <... sendmsg resumed>) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8478] <... futex resumed>) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8479] <... sendmsg resumed>) = 0 [pid 8479] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8479] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8479] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8478] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8478] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8480 attached => {parent_tid=[8480]}, 88) = 8480 [pid 8480] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8480] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8478] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8480] <... futex resumed>) = 0 [pid 8480] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8480] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8480] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8478] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8478] exit_group(0 [pid 8479] <... futex resumed>) = ? [pid 8478] <... exit_group resumed>) = ? [pid 8479] +++ exited with 0 +++ [pid 8480] <... futex resumed>) = ? [pid 8480] +++ exited with 0 +++ [pid 8478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8478, si_uid=0, si_status=0, 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 8481 attached , child_tidptr=0x55556cb53690) = 8481 [pid 8481] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8481] setpgid(0, 0) = 0 [pid 8481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8481] write(3, "1000", 4) = 4 executing program [pid 8481] close(3) = 0 [pid 8481] write(1, "executing program\n", 18) = 18 [pid 8481] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8481] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8482 attached => {parent_tid=[8482]}, 88) = 8482 [pid 8481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8481] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8482] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8482] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8482] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8481] <... futex resumed>) = 0 [pid 8481] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8481] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8481] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8481] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8483]}, 88) = 8483 [pid 8482] <... sendmsg resumed>) = 0 [pid 8481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8481] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8483 attached [pid 8483] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8483] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8483] <... setsockopt resumed>) = 0 [pid 8483] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8481] <... futex resumed>) = 0 [pid 8483] <... futex resumed>) = 1 [pid 8483] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8482] <... sendmsg resumed>) = 0 [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8482] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8481] exit_group(0 [pid 8482] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551555) [pid 8481] <... exit_group resumed>) = ? [pid 8483] <... futex resumed>) = ? [pid 8483] +++ exited with 0 +++ [pid 8482] +++ exited with 0 +++ [pid 8481] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8484 ./strace-static-x86_64: Process 8484 attached [pid 8484] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8484] setpgid(0, 0) = 0 [pid 8484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8484] write(3, "1000", 4) = 4 [pid 8484] close(3) = 0 [pid 8484] write(1, "executing program\n", 18executing program ) = 18 [pid 8484] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8484] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8484] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8485 attached => {parent_tid=[8485]}, 88) = 8485 [pid 8485] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8485] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8484] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8485] <... futex resumed>) = 0 [pid 8485] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8485] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8485] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8484] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8484] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8485] <... futex resumed>) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8484] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8484] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8485] <... sendmsg resumed>) = 0 [pid 8484] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8484] <... mprotect resumed>) = 0 [pid 8485] <... sendmsg resumed>) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8484] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8484] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8486 attached [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8484] <... clone3 resumed> => {parent_tid=[8486]}, 88) = 8486 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8484] rt_sigprocmask(SIG_SETMASK, [], [pid 8485] <... sendmsg resumed>) = 0 [pid 8484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8484] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8485] <... sendmsg resumed>) = 0 [pid 8484] <... futex resumed>) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8484] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8485] <... sendmsg resumed>) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8486] set_robust_list(0x7ff2a101e9a0, 24 [pid 8485] <... sendmsg resumed>) = 0 [pid 8486] <... set_robust_list resumed>) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8486] rt_sigprocmask(SIG_SETMASK, [], [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8486] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8486] <... setsockopt resumed>) = 0 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8486] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8486] <... futex resumed>) = 1 [pid 8485] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8484] <... futex resumed>) = 0 [pid 8486] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8485] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8485] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8485] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8484] exit_group(0 [pid 8485] <... futex resumed>) = ? [pid 8486] <... futex resumed>) = ? [pid 8484] <... exit_group resumed>) = ? [pid 8485] +++ exited with 0 +++ [pid 8486] +++ exited with 0 +++ [pid 8484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8484, si_uid=0, si_status=0, 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 8487 attached , child_tidptr=0x55556cb53690) = 8487 [pid 8487] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8487] setpgid(0, 0) = 0 [pid 8487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8487] write(3, "1000", 4) = 4 [pid 8487] close(3executing program ) = 0 [pid 8487] write(1, "executing program\n", 18) = 18 [pid 8487] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8487] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8487] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8487] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8488 attached => {parent_tid=[8488]}, 88) = 8488 [pid 8488] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8488] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8487] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8488] <... futex resumed>) = 0 [pid 8488] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8487] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8488] <... socketpair resumed>[3, 4]) = 0 [pid 8488] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8487] <... futex resumed>) = 0 [pid 8487] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8487] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8487] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8487] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8489]}, 88) = 8489 [pid 8487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8487] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8487] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8489 attached [pid 8489] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8489] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8489] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... futex resumed>) = 0 [pid 8489] <... futex resumed>) = 1 [pid 8489] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8488] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8488] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8487] exit_group(0 [pid 8488] <... futex resumed>) = ? [pid 8487] <... exit_group resumed>) = ? [pid 8488] +++ exited with 0 +++ [pid 8489] <... futex resumed>) = ? [pid 8489] +++ exited with 0 +++ [pid 8487] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8490 ./strace-static-x86_64: Process 8490 attached [pid 8490] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8490] setpgid(0, 0) = 0 [pid 8490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8490] write(3, "1000", 4) = 4 [pid 8490] close(3executing program ) = 0 [pid 8490] write(1, "executing program\n", 18) = 18 [pid 8490] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8490] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8490] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8491 attached => {parent_tid=[8491]}, 88) = 8491 [pid 8490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8490] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8491] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8491] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8491] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8490] <... futex resumed>) = 0 [pid 8490] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8490] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8492 attached [pid 8491] <... sendmsg resumed>) = 0 [pid 8490] <... clone3 resumed> => {parent_tid=[8492]}, 88) = 8492 [pid 8490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8490] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8490] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8492] set_robust_list(0x7ff2a101e9a0, 24 [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8492] <... set_robust_list resumed>) = 0 [pid 8491] <... sendmsg resumed>) = 0 [pid 8492] rt_sigprocmask(SIG_SETMASK, [], [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8491] <... sendmsg resumed>) = 0 [pid 8492] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8492] <... setsockopt resumed>) = 0 [pid 8491] <... sendmsg resumed>) = 0 [pid 8492] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8492] <... futex resumed>) = 1 [pid 8491] <... sendmsg resumed>) = 0 [pid 8490] <... futex resumed>) = 0 [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8492] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8491] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8491] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8491] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8490] exit_group(0 [pid 8492] <... futex resumed>) = ? [pid 8491] <... futex resumed>) = ? [pid 8490] <... exit_group resumed>) = ? [pid 8492] +++ exited with 0 +++ [pid 8491] +++ exited with 0 +++ [pid 8490] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8490, si_uid=0, si_status=0, 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 8493 attached , child_tidptr=0x55556cb53690) = 8493 [pid 8493] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8493] setpgid(0, 0) = 0 [pid 8493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8493] write(3, "1000", 4) = 4 [pid 8493] close(3) = 0 [pid 8493] write(1, "executing program\n", 18executing program ) = 18 [pid 8493] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8493] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8493] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8493] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8494 attached => {parent_tid=[8494]}, 88) = 8494 [pid 8493] rt_sigprocmask(SIG_SETMASK, [], [pid 8494] set_robust_list(0x7ff2a103f9a0, 24 [pid 8493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8493] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8493] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8494] <... set_robust_list resumed>) = 0 [pid 8494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8494] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8494] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8493] <... futex resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] <... futex resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] <... futex resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] <... mprotect resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8494] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8495 attached [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] <... clone3 resumed> => {parent_tid=[8495]}, 88) = 8495 [pid 8495] set_robust_list(0x7ff2a101e9a0, 24 [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] rt_sigprocmask(SIG_SETMASK, [], [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8493] <... futex resumed>) = 0 [pid 8494] <... sendmsg resumed>) = 0 [pid 8493] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8495] <... set_robust_list resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8495] rt_sigprocmask(SIG_SETMASK, [], [pid 8494] <... sendmsg resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8495] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8494] <... sendmsg resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8495] <... setsockopt resumed>) = 0 [pid 8494] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8495] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8494] <... sendmsg resumed>) = 0 [pid 8494] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8494] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8495] <... futex resumed>) = 1 [pid 8493] <... futex resumed>) = 0 [pid 8495] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8493] exit_group(0 [pid 8494] <... futex resumed>) = ? [pid 8493] <... exit_group resumed>) = ? [pid 8495] <... futex resumed>) = ? [pid 8494] +++ exited with 0 +++ [pid 8495] +++ exited with 0 +++ [pid 8493] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8496 ./strace-static-x86_64: Process 8496 attached [pid 8496] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8496] setpgid(0, 0) = 0 [pid 8496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8496] write(3, "1000", 4executing program ) = 4 [pid 8496] close(3) = 0 [pid 8496] write(1, "executing program\n", 18) = 18 [pid 8496] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8496] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8496] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8497 attached => {parent_tid=[8497]}, 88) = 8497 [pid 8497] set_robust_list(0x7ff2a103f9a0, 24 [pid 8496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8496] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8496] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8497] <... set_robust_list resumed>) = 0 [pid 8497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8497] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8497] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8497] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8496] <... futex resumed>) = 0 [pid 8496] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8497] <... futex resumed>) = 0 [pid 8496] <... futex resumed>) = 1 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8496] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8497] <... sendmsg resumed>) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8497] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8497] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8496] <... futex resumed>) = 0 [pid 8496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8496] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8496] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8498 attached => {parent_tid=[8498]}, 88) = 8498 [pid 8498] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8498] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8496] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8498] <... futex resumed>) = 0 [pid 8498] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8498] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8498] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8496] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8496] exit_group(0 [pid 8497] <... futex resumed>) = ? [pid 8497] +++ exited with 0 +++ [pid 8496] <... exit_group resumed>) = ? [pid 8498] <... futex resumed>) = ? [pid 8498] +++ exited with 0 +++ [pid 8496] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8499 ./strace-static-x86_64: Process 8499 attached [pid 8499] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8499] setpgid(0, 0) = 0 [pid 8499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8499] write(3, "1000", 4) = 4 [pid 8499] close(3) = 0 [pid 8499] write(1, "executing program\n", 18executing program ) = 18 [pid 8499] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8499] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8499] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8499] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8500]}, 88) = 8500 [pid 8499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8499] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8499] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8500 attached [pid 8500] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8500] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8500] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8499] <... futex resumed>) = 0 [pid 8499] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8499] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8499] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8499] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8501]}, 88) = 8501 [pid 8499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8499] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8499] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8500] <... futex resumed>) = 1 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8500] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8500] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8501 attached [pid 8501] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8501] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8501] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8499] <... futex resumed>) = 0 [pid 8499] exit_group(0) = ? [pid 8500] <... futex resumed>) = ? [pid 8500] +++ exited with 0 +++ [pid 8501] <... futex resumed>) = ? [pid 8501] +++ exited with 0 +++ [pid 8499] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8499, 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./strace-static-x86_64: Process 8502 attached , child_tidptr=0x55556cb53690) = 8502 [pid 8502] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8502] setpgid(0, 0) = 0 [pid 8502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8502] write(3, "1000", 4) = 4 [pid 8502] close(3) = 0 [pid 8502] write(1, "executing program\n", 18) = 18 [pid 8502] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8502] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8502] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8503 attached [pid 8503] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8503] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] <... clone3 resumed> => {parent_tid=[8503]}, 88) = 8503 [pid 8502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8502] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8503] <... futex resumed>) = 0 [pid 8503] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8502] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] <... socketpair resumed>[3, 4]) = 0 [pid 8503] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8503] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] <... futex resumed>) = 0 [pid 8502] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... futex resumed>) = 0 [pid 8502] <... futex resumed>) = 1 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8502] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... sendmsg resumed>) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8502] <... futex resumed>) = 0 [pid 8502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8502] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8503] <... sendmsg resumed>) = 0 [pid 8502] <... mprotect resumed>) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8503] <... sendmsg resumed>) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8502] <... clone3 resumed> => {parent_tid=[8504]}, 88) = 8504 [pid 8502] rt_sigprocmask(SIG_SETMASK, [], [pid 8503] <... sendmsg resumed>) = 0 [pid 8502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8502] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8502] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] <... sendmsg resumed>) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] 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 8504 attached [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8504] set_robust_list(0x7ff2a101e9a0, 24 [pid 8503] <... sendmsg resumed>) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8504] <... set_robust_list resumed>) = 0 [pid 8503] <... sendmsg resumed>) = 0 [pid 8504] rt_sigprocmask(SIG_SETMASK, [], [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8503] <... sendmsg resumed>) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8504] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8504] <... setsockopt resumed>) = 0 [pid 8503] <... sendmsg resumed>) = 0 [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8503] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8504] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8503] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8503] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8504] <... futex resumed>) = 1 [pid 8502] <... futex resumed>) = 0 [pid 8502] exit_group(0) = ? [pid 8503] <... futex resumed>) = ? [pid 8503] +++ exited with 0 +++ [pid 8504] +++ exited with 0 +++ [pid 8502] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8505 ./strace-static-x86_64: Process 8505 attached [pid 8505] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8505] setpgid(0, 0) = 0 [pid 8505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8505] write(3, "1000", 4) = 4 executing program [pid 8505] close(3) = 0 [pid 8505] write(1, "executing program\n", 18) = 18 [pid 8505] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8505] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8505] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8506 attached => {parent_tid=[8506]}, 88) = 8506 [pid 8506] set_robust_list(0x7ff2a103f9a0, 24 [pid 8505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8505] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8505] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8506] <... set_robust_list resumed>) = 0 [pid 8506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8506] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8506] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8505] <... futex resumed>) = 0 [pid 8505] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8505] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8505] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8507]}, 88) = 8507 [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8505] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8505] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8507 attached [pid 8507] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8507] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8507] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8505] <... futex resumed>) = 0 [pid 8507] <... futex resumed>) = 1 [pid 8507] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8506] <... sendmsg resumed>) = 0 [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8506] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8506] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] exit_group(0 [pid 8507] <... futex resumed>) = ? [pid 8506] <... futex resumed>) = ? [pid 8505] <... exit_group resumed>) = ? [pid 8506] +++ exited with 0 +++ [pid 8507] +++ exited with 0 +++ [pid 8505] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8505, 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=0x55556cb53690) = 8508 ./strace-static-x86_64: Process 8508 attached [pid 8508] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8508] setpgid(0, 0) = 0 [pid 8508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8508] write(3, "1000", 4) = 4 [pid 8508] close(3) = 0 [pid 8508] write(1, "executing program\n", 18executing program ) = 18 [pid 8508] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8508] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8508] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8508] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8509 attached => {parent_tid=[8509]}, 88) = 8509 [pid 8509] set_robust_list(0x7ff2a103f9a0, 24 [pid 8508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8508] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8508] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8509] <... set_robust_list resumed>) = 0 [pid 8509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8509] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8509] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8509] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8508] <... futex resumed>) = 0 [pid 8508] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8508] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8508] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8509] <... futex resumed>) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8508] <... clone3 resumed> => {parent_tid=[8510]}, 88) = 8510 [pid 8509] <... sendmsg resumed>) = 0 [pid 8508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8508] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8509] <... sendmsg resumed>) = 0 [pid 8508] <... futex resumed>) = 0 [pid 8508] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] 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 8510 attached [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8510] set_robust_list(0x7ff2a101e9a0, 24 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8509] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8509] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8510] <... set_robust_list resumed>) = 0 [pid 8510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8510] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8510] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] <... futex resumed>) = 0 [pid 8508] exit_group(0 [pid 8510] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8508] <... exit_group resumed>) = ? [pid 8510] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 8509] <... futex resumed>) = ? [pid 8509] +++ exited with 0 +++ [pid 8510] +++ exited with 0 +++ [pid 8508] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8508, si_uid=0, si_status=0, 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 8511 attached , child_tidptr=0x55556cb53690) = 8511 [pid 8511] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8511] setpgid(0, 0) = 0 [pid 8511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8511] write(3, "1000", 4) = 4 [pid 8511] close(3) = 0 [pid 8511] write(1, "executing program\n", 18executing program ) = 18 [pid 8511] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8511] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8511] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8512 attached => {parent_tid=[8512]}, 88) = 8512 [pid 8512] set_robust_list(0x7ff2a103f9a0, 24 [pid 8511] rt_sigprocmask(SIG_SETMASK, [], [pid 8512] <... set_robust_list resumed>) = 0 [pid 8512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8512] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8511] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] <... futex resumed>) = 0 [pid 8511] <... futex resumed>) = 1 [pid 8512] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8511] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8512] <... socketpair resumed>[3, 4]) = 0 [pid 8512] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8512] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8511] <... futex resumed>) = 0 [pid 8511] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] <... futex resumed>) = 0 [pid 8511] <... futex resumed>) = 1 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8511] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8512] <... sendmsg resumed>) = 0 [pid 8511] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8511] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8512] <... sendmsg resumed>) = 0 [pid 8511] <... mprotect resumed>) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8512] <... sendmsg resumed>) = 0 [pid 8511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8511] <... clone3 resumed> => {parent_tid=[8513]}, 88) = 8513 [pid 8511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8512] <... sendmsg resumed>) = 0 [pid 8511] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8513 attached ) = 0 [pid 8511] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8513] set_robust_list(0x7ff2a101e9a0, 24 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8513] <... set_robust_list resumed>) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8513] rt_sigprocmask(SIG_SETMASK, [], [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8513] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8512] <... sendmsg resumed>) = 0 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8513] <... setsockopt resumed>) = 0 [pid 8512] <... sendmsg resumed>) = 0 [pid 8513] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8511] <... futex resumed>) = 0 [pid 8512] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8513] <... futex resumed>) = 1 [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8513] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8512] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8512] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8512] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8511] exit_group(0) = ? [pid 8512] <... futex resumed>) = 231 [pid 8512] +++ exited with 0 +++ [pid 8513] <... futex resumed>) = ? [pid 8513] +++ exited with 0 +++ [pid 8511] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8511, si_uid=0, si_status=0, 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 8514 attached , child_tidptr=0x55556cb53690) = 8514 [pid 8514] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8514] setpgid(0, 0) = 0 [pid 8514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8514] write(3, "1000", 4) = 4 [pid 8514] close(3) = 0 [pid 8514] write(1, "executing program\n", 18executing program ) = 18 [pid 8514] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8514] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8514] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8514] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8515]}, 88) = 8515 ./strace-static-x86_64: Process 8515 attached [pid 8515] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8515] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8514] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8515] <... futex resumed>) = 0 [pid 8515] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8514] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8515] <... socketpair resumed>[3, 4]) = 0 [pid 8515] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8515] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8514] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8515] <... futex resumed>) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8514] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] <... futex resumed>) = 0 [pid 8515] <... sendmsg resumed>) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8515] <... sendmsg resumed>) = 0 [pid 8514] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8515] <... sendmsg resumed>) = 0 [pid 8514] <... mprotect resumed>) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8515] <... sendmsg resumed>) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8515] <... sendmsg resumed>) = 0 [pid 8514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] <... clone3 resumed> => {parent_tid=[8516]}, 88) = 8516 [pid 8515] <... sendmsg resumed>) = 0 [pid 8514] rt_sigprocmask(SIG_SETMASK, [], [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8515] <... sendmsg resumed>) = 0 [pid 8514] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8514] <... futex resumed>) = 0 [pid 8514] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8515] <... sendmsg resumed>) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8515] 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 8516 attached ) = 0 [pid 8515] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8515] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8516] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8516] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8516] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8514] <... futex resumed>) = 0 [pid 8514] exit_group(0) = ? [pid 8515] <... futex resumed>) = ? [pid 8515] +++ exited with 0 +++ [pid 8516] +++ exited with 0 +++ [pid 8514] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8514, si_uid=0, si_status=0, 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 8517 attached , child_tidptr=0x55556cb53690) = 8517 [pid 8517] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8517] setpgid(0, 0) = 0 [pid 8517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8517] write(3, "1000", 4) = 4 [pid 8517] close(3) = 0 [pid 8517] write(1, "executing program\n", 18executing program ) = 18 [pid 8517] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8517] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8517] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8517] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8518 attached [pid 8518] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8518] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8517] <... clone3 resumed> => {parent_tid=[8518]}, 88) = 8518 [pid 8517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8517] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8518] <... futex resumed>) = 0 [pid 8517] <... futex resumed>) = 1 [pid 8518] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8517] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8518] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8518] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8517] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8518] <... futex resumed>) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8517] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8518] <... sendmsg resumed>) = 0 [pid 8517] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8517] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8518] <... sendmsg resumed>) = 0 [pid 8517] <... mprotect resumed>) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8517] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8518] <... sendmsg resumed>) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8517] <... clone3 resumed> => {parent_tid=[8519]}, 88) = 8519 [pid 8517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8518] <... sendmsg resumed>) = 0 [pid 8517] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8517] <... futex resumed>) = 0 [pid 8518] <... sendmsg resumed>) = 0 [pid 8517] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] 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 8519 attached [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8519] set_robust_list(0x7ff2a101e9a0, 24 [pid 8518] <... sendmsg resumed>) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8519] <... set_robust_list resumed>) = 0 [pid 8518] <... sendmsg resumed>) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8519] rt_sigprocmask(SIG_SETMASK, [], [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8518] <... sendmsg resumed>) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8518] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8518] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8519] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8519] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8517] <... futex resumed>) = 0 [pid 8517] exit_group(0) = ? [pid 8519] +++ exited with 0 +++ [pid 8518] <... futex resumed>) = ? [pid 8518] +++ exited with 0 +++ [pid 8517] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8520 ./strace-static-x86_64: Process 8520 attached [pid 8520] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8520] setpgid(0, 0) = 0 [pid 8520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8520] write(3, "1000", 4) = 4 [pid 8520] close(3) = 0 [pid 8520] write(1, "executing program\n", 18executing program ) = 18 [pid 8520] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8520] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8520] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8521 attached => {parent_tid=[8521]}, 88) = 8521 [pid 8521] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8521] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8520] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8521] <... futex resumed>) = 0 [pid 8521] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8520] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8521] <... socketpair resumed>[3, 4]) = 0 [pid 8521] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] <... futex resumed>) = 0 [pid 8520] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8520] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8520] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8521] <... futex resumed>) = 1 [pid 8520] <... clone3 resumed> => {parent_tid=[8522]}, 88) = 8522 [pid 8520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8520] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8520] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8522 attached [pid 8522] set_robust_list(0x7ff2a101e9a0, 24 [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8522] <... set_robust_list resumed>) = 0 [pid 8522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8522] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8522] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] <... futex resumed>) = 0 [pid 8522] <... futex resumed>) = 1 [pid 8522] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8521] <... sendmsg resumed>) = 0 [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8521] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8521] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8520] exit_group(0 [pid 8521] <... futex resumed>) = ? [pid 8522] <... futex resumed>) = ? [pid 8520] <... exit_group resumed>) = ? [pid 8521] +++ exited with 0 +++ [pid 8522] +++ exited with 0 +++ [pid 8520] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8520, si_uid=0, si_status=0, 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 8523 attached , child_tidptr=0x55556cb53690) = 8523 [pid 8523] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8523] setpgid(0, 0) = 0 [pid 8523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8523] write(3, "1000", 4) = 4 [pid 8523] close(3) = 0 executing program [pid 8523] write(1, "executing program\n", 18) = 18 [pid 8523] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8523] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8523] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8523] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8524 attached => {parent_tid=[8524]}, 88) = 8524 [pid 8524] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8524] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8523] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8524] <... futex resumed>) = 0 [pid 8524] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8523] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8524] <... socketpair resumed>[3, 4]) = 0 [pid 8524] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8524] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8523] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8524] <... futex resumed>) = 0 [pid 8523] <... futex resumed>) = 1 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8523] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8524] <... sendmsg resumed>) = 0 [pid 8523] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8523] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8524] <... sendmsg resumed>) = 0 [pid 8523] <... mprotect resumed>) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8523] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8524] <... sendmsg resumed>) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8523] <... clone3 resumed> => {parent_tid=[8525]}, 88) = 8525 [pid 8524] <... sendmsg resumed>) = 0 [pid 8523] rt_sigprocmask(SIG_SETMASK, [], [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8524] <... sendmsg resumed>) = 0 [pid 8523] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8525 attached ) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8523] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8524] <... sendmsg resumed>) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8525] set_robust_list(0x7ff2a101e9a0, 24 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8525] <... set_robust_list resumed>) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8525] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8525] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8523] <... futex resumed>) = 0 [pid 8525] <... futex resumed>) = 1 [pid 8524] <... sendmsg resumed>) = 0 [pid 8525] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8524] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8524] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8524] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8523] exit_group(0) = ? [pid 8525] <... futex resumed>) = ? [pid 8524] <... futex resumed>) = ? [pid 8524] +++ exited with 0 +++ [pid 8525] +++ exited with 0 +++ [pid 8523] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8526 ./strace-static-x86_64: Process 8526 attached [pid 8526] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8526] setpgid(0, 0) = 0 [pid 8526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8526] write(3, "1000", 4) = 4 [pid 8526] close(3) = 0 [pid 8526] write(1, "executing program\n", 18executing program ) = 18 [pid 8526] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8526] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8526] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8527 attached => {parent_tid=[8527]}, 88) = 8527 [pid 8527] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8527] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8526] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8527] <... futex resumed>) = 0 [pid 8527] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8526] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8527] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8526] <... futex resumed>) = 0 [pid 8526] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8526] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8526] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8527] <... sendmsg resumed>) = 0 [pid 8526] <... clone3 resumed> => {parent_tid=[8528]}, 88) = 8528 ./strace-static-x86_64: Process 8528 attached [pid 8528] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8528] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8526] rt_sigprocmask(SIG_SETMASK, [], [pid 8527] <... sendmsg resumed>) = 0 [pid 8526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8526] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8527] <... sendmsg resumed>) = 0 [pid 8528] <... futex resumed>) = 0 [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8526] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8528] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8528] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8528] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8527] <... sendmsg resumed>) = 0 [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8527] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8527] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] exit_group(0 [pid 8527] <... futex resumed>) = ? [pid 8526] <... exit_group resumed>) = ? [pid 8527] +++ exited with 0 +++ [pid 8528] <... futex resumed>) = ? [pid 8528] +++ exited with 0 +++ [pid 8526] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8529 ./strace-static-x86_64: Process 8529 attached [pid 8529] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8529] setpgid(0, 0) = 0 [pid 8529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8529] write(3, "1000", 4) = 4 [pid 8529] close(3) = 0 [pid 8529] write(1, "executing program\n", 18executing program ) = 18 [pid 8529] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8529] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8529] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8529] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8530 attached => {parent_tid=[8530]}, 88) = 8530 [pid 8530] set_robust_list(0x7ff2a103f9a0, 24 [pid 8529] rt_sigprocmask(SIG_SETMASK, [], [pid 8530] <... set_robust_list resumed>) = 0 [pid 8529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8529] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] rt_sigprocmask(SIG_SETMASK, [], [pid 8529] <... futex resumed>) = 0 [pid 8530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8529] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8530] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8530] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8529] <... futex resumed>) = 0 [pid 8530] <... futex resumed>) = 1 [pid 8529] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8529] <... futex resumed>) = 0 [pid 8530] <... sendmsg resumed>) = 0 [pid 8529] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8529] <... futex resumed>) = 0 [pid 8530] <... sendmsg resumed>) = 0 [pid 8529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8529] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8530] <... sendmsg resumed>) = 0 [pid 8529] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8529] <... mprotect resumed>) = 0 [pid 8530] <... sendmsg resumed>) = 0 [pid 8529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8530] <... sendmsg resumed>) = 0 [pid 8530] 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 8531 attached [pid 8529] <... clone3 resumed> => {parent_tid=[8531]}, 88) = 8531 [pid 8530] <... sendmsg resumed>) = 0 [pid 8529] rt_sigprocmask(SIG_SETMASK, [], [pid 8531] set_robust_list(0x7ff2a101e9a0, 24 [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8531] <... set_robust_list resumed>) = 0 [pid 8529] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8530] <... sendmsg resumed>) = 0 [pid 8529] <... futex resumed>) = 0 [pid 8531] rt_sigprocmask(SIG_SETMASK, [], [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8529] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8530] <... sendmsg resumed>) = 0 [pid 8531] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8531] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8529] <... futex resumed>) = 0 [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8531] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8530] <... sendmsg resumed>) = 0 [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8530] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8530] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8529] exit_group(0 [pid 8531] <... futex resumed>) = ? [pid 8530] <... futex resumed>) = ? [pid 8529] <... exit_group resumed>) = ? [pid 8530] +++ exited with 0 +++ [pid 8531] +++ exited with 0 +++ [pid 8529] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8532 ./strace-static-x86_64: Process 8532 attached [pid 8532] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8532] setpgid(0, 0) = 0 [pid 8532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8532] write(3, "1000", 4) = 4 [pid 8532] close(3) = 0 [pid 8532] write(1, "executing program\n", 18executing program ) = 18 [pid 8532] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8532] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8532] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8533 attached => {parent_tid=[8533]}, 88) = 8533 [pid 8533] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8533] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8532] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8533] <... futex resumed>) = 0 [pid 8533] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8533] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8533] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8532] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8532] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8533] <... futex resumed>) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8532] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8532] <... futex resumed>) = 0 [pid 8532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8533] <... sendmsg resumed>) = 0 [pid 8532] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8532] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8533] <... sendmsg resumed>) = 0 [pid 8532] <... mprotect resumed>) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8533] <... sendmsg resumed>) = 0 [pid 8532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8532] <... clone3 resumed> => {parent_tid=[8534]}, 88) = 8534 [pid 8533] <... sendmsg resumed>) = 0 [pid 8532] rt_sigprocmask(SIG_SETMASK, [], [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8532] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] <... sendmsg resumed>) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8532] <... futex resumed>) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8532] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8533] <... sendmsg resumed>) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] 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 8534 attached ) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8533] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8534] set_robust_list(0x7ff2a101e9a0, 24 [pid 8533] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8533] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8534] <... set_robust_list resumed>) = 0 [pid 8534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8534] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8534] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8532] <... futex resumed>) = 0 [pid 8532] exit_group(0) = ? [pid 8533] <... futex resumed>) = ? [pid 8533] +++ exited with 0 +++ [pid 8534] +++ exited with 0 +++ [pid 8532] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8535 ./strace-static-x86_64: Process 8535 attached [pid 8535] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8535] setpgid(0, 0) = 0 [pid 8535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8535] write(3, "1000", 4) = 4 [pid 8535] close(3executing program ) = 0 [pid 8535] write(1, "executing program\n", 18) = 18 [pid 8535] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8535] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8535] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8536 attached => {parent_tid=[8536]}, 88) = 8536 [pid 8536] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8536] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8535] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8536] <... futex resumed>) = 0 [pid 8536] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8536] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8536] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8535] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8535] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8536] <... futex resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8535] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8535] <... futex resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8536] <... sendmsg resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8535] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8535] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8536] <... sendmsg resumed>) = 0 [pid 8535] <... mprotect resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8536] <... sendmsg resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8536] <... sendmsg resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8535] <... clone3 resumed> => {parent_tid=[8537]}, 88) = 8537 [pid 8535] rt_sigprocmask(SIG_SETMASK, [], [pid 8536] <... sendmsg resumed>) = 0 [pid 8535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8535] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8536] <... sendmsg resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8535] <... futex resumed>) = 0 [pid 8535] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8536] <... sendmsg resumed>) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8536] 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 8537 attached [pid 8536] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8536] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8537] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8537] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8537] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8535] <... futex resumed>) = 0 [pid 8535] exit_group(0) = ? [pid 8536] <... futex resumed>) = ? [pid 8536] +++ exited with 0 +++ [pid 8537] +++ exited with 0 +++ [pid 8535] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8538 ./strace-static-x86_64: Process 8538 attached [pid 8538] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8538] setpgid(0, 0) = 0 [pid 8538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8538] write(3, "1000", 4) = 4 [pid 8538] close(3) = 0 [pid 8538] write(1, "executing program\n", 18executing program ) = 18 [pid 8538] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8538] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8538] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8539 attached => {parent_tid=[8539]}, 88) = 8539 [pid 8539] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8539] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8538] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8539] <... futex resumed>) = 0 [pid 8539] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8538] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8539] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8539] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8538] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8539] <... futex resumed>) = 0 [pid 8538] <... futex resumed>) = 1 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8538] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8538] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8539] <... sendmsg resumed>) = 0 [pid 8538] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8538] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8539] <... sendmsg resumed>) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8538] <... clone3 resumed> => {parent_tid=[8540]}, 88) = 8540 [pid 8538] rt_sigprocmask(SIG_SETMASK, [], [pid 8539] <... sendmsg resumed>) = 0 [pid 8538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8538] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8538] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8539] <... sendmsg resumed>) = 0 [pid 8539] 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 8540 attached [pid 8540] set_robust_list(0x7ff2a101e9a0, 24 [pid 8539] <... sendmsg resumed>) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8540] <... set_robust_list resumed>) = 0 [pid 8539] <... sendmsg resumed>) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8540] rt_sigprocmask(SIG_SETMASK, [], [pid 8539] <... sendmsg resumed>) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8540] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8539] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8539] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8540] <... setsockopt resumed>) = 0 [pid 8540] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8538] <... futex resumed>) = 0 [pid 8538] exit_group(0) = ? [pid 8540] +++ exited with 0 +++ [pid 8539] <... futex resumed>) = ? [pid 8539] +++ exited with 0 +++ [pid 8538] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8538, si_uid=0, si_status=0, 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 8541 attached , child_tidptr=0x55556cb53690) = 8541 [pid 8541] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8541] setpgid(0, 0) = 0 [pid 8541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8541] write(3, "1000", 4) = 4 [pid 8541] close(3) = 0 [pid 8541] write(1, "executing program\n", 18executing program ) = 18 [pid 8541] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8541] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8541] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8542 attached => {parent_tid=[8542]}, 88) = 8542 [pid 8542] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8542] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8541] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8542] <... futex resumed>) = 0 [pid 8542] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8541] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] <... socketpair resumed>[3, 4]) = 0 [pid 8542] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8542] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8541] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8542] <... futex resumed>) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8541] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8541] <... futex resumed>) = 0 [pid 8542] <... sendmsg resumed>) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8542] <... sendmsg resumed>) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8541] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8541] <... mprotect resumed>) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8542] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8542] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8543 attached => {parent_tid=[8543]}, 88) = 8543 [pid 8543] set_robust_list(0x7ff2a101e9a0, 24 [pid 8541] rt_sigprocmask(SIG_SETMASK, [], [pid 8543] <... set_robust_list resumed>) = 0 [pid 8541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8541] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8543] rt_sigprocmask(SIG_SETMASK, [], [pid 8541] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8543] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8543] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8541] <... futex resumed>) = 0 [pid 8543] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] exit_group(0) = ? [pid 8542] <... futex resumed>) = ? [pid 8542] +++ exited with 0 +++ [pid 8543] <... futex resumed>) = ? [pid 8543] +++ exited with 0 +++ [pid 8541] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 executing program clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8544 ./strace-static-x86_64: Process 8544 attached [pid 8544] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8544] setpgid(0, 0) = 0 [pid 8544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8544] write(3, "1000", 4) = 4 [pid 8544] close(3) = 0 [pid 8544] write(1, "executing program\n", 18) = 18 [pid 8544] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8544] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8544] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8544] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8545 attached => {parent_tid=[8545]}, 88) = 8545 [pid 8545] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8545] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8544] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... futex resumed>) = 0 [pid 8544] <... futex resumed>) = 1 [pid 8545] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8544] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8545] <... socketpair resumed>[3, 4]) = 0 [pid 8545] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8545] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8544] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... futex resumed>) = 0 [pid 8544] <... futex resumed>) = 1 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8544] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... sendmsg resumed>) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8544] <... futex resumed>) = 0 [pid 8545] <... sendmsg resumed>) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8545] <... sendmsg resumed>) = 0 [pid 8544] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8544] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8545] <... sendmsg resumed>) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8544] <... mprotect resumed>) = 0 [pid 8545] <... sendmsg resumed>) = 0 [pid 8544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8545] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8546 attached [pid 8546] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8546] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8545] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8545] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8544] <... clone3 resumed> => {parent_tid=[8546]}, 88) = 8546 [pid 8544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8544] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8546] <... futex resumed>) = 0 [pid 8546] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8546] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8546] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8544] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8544] exit_group(0) = ? [pid 8546] <... futex resumed>) = ? [pid 8546] +++ exited with 0 +++ [pid 8545] <... futex resumed>) = ? [pid 8545] +++ exited with 0 +++ [pid 8544] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8547 ./strace-static-x86_64: Process 8547 attached [pid 8547] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8547] setpgid(0, 0) = 0 [pid 8547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8547] write(3, "1000", 4) = 4 [pid 8547] close(3) = 0 [pid 8547] write(1, "executing program\n", 18executing program ) = 18 [pid 8547] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8547] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8547] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8547] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8548 attached [pid 8548] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8548] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8547] <... clone3 resumed> => {parent_tid=[8548]}, 88) = 8548 [pid 8547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8547] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8548] <... futex resumed>) = 0 [pid 8548] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8548] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8548] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8547] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8547] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8548] <... futex resumed>) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8547] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8547] <... futex resumed>) = 0 [pid 8548] <... sendmsg resumed>) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8548] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8548] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8547] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8547] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8547] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8549 attached => {parent_tid=[8549]}, 88) = 8549 [pid 8549] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8549] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8547] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8549] <... futex resumed>) = 0 [pid 8549] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8549] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8549] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8547] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8547] exit_group(0 [pid 8548] <... futex resumed>) = ? [pid 8547] <... exit_group resumed>) = ? [pid 8548] +++ exited with 0 +++ [pid 8549] <... futex resumed>) = ? [pid 8549] +++ exited with 0 +++ [pid 8547] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8550 ./strace-static-x86_64: Process 8550 attached [pid 8550] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8550] setpgid(0, 0) = 0 [pid 8550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8550] write(3, "1000", 4) = 4 [pid 8550] close(3) = 0 [pid 8550] write(1, "executing program\n", 18executing program ) = 18 [pid 8550] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8550] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8550] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8551 attached => {parent_tid=[8551]}, 88) = 8551 [pid 8551] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8551] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8550] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8551] <... futex resumed>) = 0 [pid 8551] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8551] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8551] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8550] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8550] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8551] <... futex resumed>) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8550] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8551] <... sendmsg resumed>) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8551] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8551] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8550] <... futex resumed>) = 0 [pid 8550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8550] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8552 attached => {parent_tid=[8552]}, 88) = 8552 [pid 8552] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8552] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8550] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8552] <... futex resumed>) = 0 [pid 8552] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8550] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8552] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8552] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8550] exit_group(0 [pid 8551] <... futex resumed>) = ? [pid 8550] <... exit_group resumed>) = ? [pid 8551] +++ exited with 0 +++ [pid 8552] <... futex resumed>) = ? [pid 8552] +++ exited with 0 +++ [pid 8550] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8550, si_uid=0, si_status=0, 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 8553 attached , child_tidptr=0x55556cb53690) = 8553 [pid 8553] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8553] setpgid(0, 0) = 0 [pid 8553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8553] write(3, "1000", 4) = 4 [pid 8553] close(3) = 0 [pid 8553] write(1, "executing program\n", 18executing program ) = 18 [pid 8553] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8553] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8553] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8554 attached => {parent_tid=[8554]}, 88) = 8554 [pid 8554] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8554] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8553] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8554] <... futex resumed>) = 0 [pid 8554] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8553] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8554] <... socketpair resumed>[3, 4]) = 0 [pid 8554] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8553] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8554] <... futex resumed>) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8553] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8554] <... sendmsg resumed>) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8553] <... futex resumed>) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8554] <... sendmsg resumed>) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8553] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8554] <... sendmsg resumed>) = 0 [pid 8553] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8553] <... mprotect resumed>) = 0 [pid 8554] <... sendmsg resumed>) = 0 [pid 8553] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8553] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8554] <... sendmsg resumed>) = 0 [pid 8554] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8554] 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 8555 attached [pid 8553] <... clone3 resumed> => {parent_tid=[8555]}, 88) = 8555 [pid 8554] <... sendmsg resumed>) = 0 [pid 8554] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8554] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8555] set_robust_list(0x7ff2a101e9a0, 24 [pid 8553] rt_sigprocmask(SIG_SETMASK, [], [pid 8555] <... set_robust_list resumed>) = 0 [pid 8553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8553] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8553] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8555] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8555] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8553] <... futex resumed>) = 0 [pid 8553] exit_group(0) = ? [pid 8554] <... futex resumed>) = ? [pid 8555] +++ exited with 0 +++ [pid 8554] +++ exited with 0 +++ [pid 8553] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8556 ./strace-static-x86_64: Process 8556 attached [pid 8556] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8556] setpgid(0, 0) = 0 [pid 8556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8556] write(3, "1000", 4) = 4 [pid 8556] close(3) = 0 [pid 8556] write(1, "executing program\n", 18executing program ) = 18 [pid 8556] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8556] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8556] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8556] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8557 attached => {parent_tid=[8557]}, 88) = 8557 [pid 8557] set_robust_list(0x7ff2a103f9a0, 24 [pid 8556] rt_sigprocmask(SIG_SETMASK, [], [pid 8557] <... set_robust_list resumed>) = 0 [pid 8556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8557] rt_sigprocmask(SIG_SETMASK, [], [pid 8556] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8556] <... futex resumed>) = 0 [pid 8557] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8556] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8557] <... socketpair resumed>[3, 4]) = 0 [pid 8557] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8556] <... futex resumed>) = 0 [pid 8557] <... futex resumed>) = 1 [pid 8556] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8556] <... futex resumed>) = 0 [pid 8557] <... sendmsg resumed>) = 0 [pid 8556] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8556] <... futex resumed>) = 0 [pid 8557] <... sendmsg resumed>) = 0 [pid 8556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8556] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8557] <... sendmsg resumed>) = 0 [pid 8556] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8556] <... mprotect resumed>) = 0 [pid 8557] <... sendmsg resumed>) = 0 [pid 8556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8557] <... sendmsg resumed>) = 0 [pid 8557] 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 8558 attached [pid 8556] <... clone3 resumed> => {parent_tid=[8558]}, 88) = 8558 [pid 8558] set_robust_list(0x7ff2a101e9a0, 24 [pid 8557] <... sendmsg resumed>) = 0 [pid 8556] rt_sigprocmask(SIG_SETMASK, [], [pid 8558] <... set_robust_list resumed>) = 0 [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8558] rt_sigprocmask(SIG_SETMASK, [], [pid 8556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8557] <... sendmsg resumed>) = 0 [pid 8556] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8558] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8558] <... setsockopt resumed>) = 0 [pid 8556] <... futex resumed>) = 0 [pid 8558] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8557] <... sendmsg resumed>) = 0 [pid 8556] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8558] <... futex resumed>) = 0 [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8558] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8557] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8557] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8556] exit_group(0) = ? [pid 8557] +++ exited with 0 +++ [pid 8558] <... futex resumed>) = ? [pid 8558] +++ exited with 0 +++ [pid 8556] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8559 ./strace-static-x86_64: Process 8559 attached [pid 8559] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8559] setpgid(0, 0) = 0 [pid 8559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8559] write(3, "1000", 4) = 4 [pid 8559] close(3) = 0 executing program [pid 8559] write(1, "executing program\n", 18) = 18 [pid 8559] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8559] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8559] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8559] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8560 attached => {parent_tid=[8560]}, 88) = 8560 [pid 8560] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8560] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8559] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8560] <... futex resumed>) = 0 [pid 8560] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8559] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8560] <... socketpair resumed>[3, 4]) = 0 [pid 8560] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8559] <... futex resumed>) = 0 [pid 8559] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8559] <... futex resumed>) = 0 [pid 8559] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8560] <... sendmsg resumed>) = 0 [pid 8559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8559] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8560] <... sendmsg resumed>) = 0 [pid 8559] <... mprotect resumed>) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8560] <... sendmsg resumed>) = 0 [pid 8559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8560] <... sendmsg resumed>) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8559] <... clone3 resumed> => {parent_tid=[8561]}, 88) = 8561 [pid 8559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8559] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] <... sendmsg resumed>) = 0 [pid 8559] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8561 attached [pid 8559] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8561] set_robust_list(0x7ff2a101e9a0, 24 [pid 8560] <... sendmsg resumed>) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8561] <... set_robust_list resumed>) = 0 [pid 8561] rt_sigprocmask(SIG_SETMASK, [], [pid 8560] <... sendmsg resumed>) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8560] <... sendmsg resumed>) = 0 [pid 8561] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8561] <... setsockopt resumed>) = 0 [pid 8560] <... sendmsg resumed>) = 0 [pid 8561] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8560] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8560] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8559] <... futex resumed>) = 0 [pid 8559] exit_group(0) = ? [pid 8560] <... futex resumed>) = ? [pid 8561] <... futex resumed>) = 231 [pid 8560] +++ exited with 0 +++ [pid 8561] +++ exited with 0 +++ [pid 8559] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8559, si_uid=0, si_status=0, 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 8562 attached , child_tidptr=0x55556cb53690) = 8562 [pid 8562] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8562] setpgid(0, 0) = 0 [pid 8562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8562] write(3, "1000", 4) = 4 [pid 8562] close(3executing program ) = 0 [pid 8562] write(1, "executing program\n", 18) = 18 [pid 8562] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8562] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8562] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8563]}, 88) = 8563 [pid 8562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8562] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8562] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8563 attached [pid 8563] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8563] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8563] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] <... futex resumed>) = 0 [pid 8562] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8562] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8562] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8564]}, 88) = 8564 [pid 8562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8562] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8562] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8563] <... futex resumed>) = 1 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8563] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8563] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8564 attached [pid 8564] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8564] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8564] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8562] <... futex resumed>) = 0 [pid 8562] exit_group(0) = ? [pid 8563] <... futex resumed>) = ? [pid 8563] +++ exited with 0 +++ [pid 8564] <... futex resumed>) = ? [pid 8564] +++ exited with 0 +++ [pid 8562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8565 ./strace-static-x86_64: Process 8565 attached [pid 8565] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8565] setpgid(0, 0) = 0 [pid 8565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8565] write(3, "1000", 4) = 4 [pid 8565] close(3executing program ) = 0 [pid 8565] write(1, "executing program\n", 18) = 18 [pid 8565] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8565] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8565] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8565] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8566 attached => {parent_tid=[8566]}, 88) = 8566 [pid 8566] set_robust_list(0x7ff2a103f9a0, 24 [pid 8565] rt_sigprocmask(SIG_SETMASK, [], [pid 8566] <... set_robust_list resumed>) = 0 [pid 8565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8566] rt_sigprocmask(SIG_SETMASK, [], [pid 8565] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8565] <... futex resumed>) = 0 [pid 8566] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8565] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8566] <... socketpair resumed>[3, 4]) = 0 [pid 8566] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8565] <... futex resumed>) = 0 [pid 8566] <... futex resumed>) = 1 [pid 8565] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8565] <... futex resumed>) = 0 [pid 8566] <... sendmsg resumed>) = 0 [pid 8565] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8565] <... futex resumed>) = 0 [pid 8566] <... sendmsg resumed>) = 0 [pid 8565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8565] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8566] <... sendmsg resumed>) = 0 [pid 8565] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8565] <... mprotect resumed>) = 0 [pid 8566] <... sendmsg resumed>) = 0 [pid 8565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8566] <... sendmsg resumed>) = 0 [pid 8566] 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 8567 attached [pid 8565] <... clone3 resumed> => {parent_tid=[8567]}, 88) = 8567 [pid 8567] set_robust_list(0x7ff2a101e9a0, 24 [pid 8566] <... sendmsg resumed>) = 0 [pid 8565] rt_sigprocmask(SIG_SETMASK, [], [pid 8567] <... set_robust_list resumed>) = 0 [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8567] rt_sigprocmask(SIG_SETMASK, [], [pid 8566] <... sendmsg resumed>) = 0 [pid 8565] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8567] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8565] <... futex resumed>) = 0 [pid 8567] <... setsockopt resumed>) = 0 [pid 8566] <... sendmsg resumed>) = 0 [pid 8565] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8567] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8567] <... futex resumed>) = 0 [pid 8565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8567] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8566] <... sendmsg resumed>) = 0 [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8566] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8566] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8565] exit_group(0 [pid 8566] <... futex resumed>) = ? [pid 8567] <... futex resumed>) = ? [pid 8565] <... exit_group resumed>) = ? [pid 8566] +++ exited with 0 +++ [pid 8567] +++ exited with 0 +++ [pid 8565] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8568 ./strace-static-x86_64: Process 8568 attached [pid 8568] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8568] setpgid(0, 0) = 0 [pid 8568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8568] write(3, "1000", 4) = 4 [pid 8568] close(3) = 0 executing program [pid 8568] write(1, "executing program\n", 18) = 18 [pid 8568] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8568] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8568] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8569 attached [pid 8569] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8569] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8568] <... clone3 resumed> => {parent_tid=[8569]}, 88) = 8569 [pid 8568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8568] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8569] <... futex resumed>) = 0 [pid 8569] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8568] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8569] <... socketpair resumed>[3, 4]) = 0 [pid 8569] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8569] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8568] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8569] <... futex resumed>) = 0 [pid 8568] <... futex resumed>) = 1 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8568] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8568] <... futex resumed>) = 0 [pid 8568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8569] <... sendmsg resumed>) = 0 [pid 8568] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8568] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8569] <... sendmsg resumed>) = 0 [pid 8568] <... mprotect resumed>) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8569] <... sendmsg resumed>) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8568] <... clone3 resumed> => {parent_tid=[8570]}, 88) = 8570 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8568] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8569] <... sendmsg resumed>) = 0 [pid 8568] <... futex resumed>) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8568] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8569] <... sendmsg resumed>) = 0 [pid 8569] 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 8570 attached ) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8570] set_robust_list(0x7ff2a101e9a0, 24 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8570] <... set_robust_list resumed>) = 0 [pid 8569] <... sendmsg resumed>) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8570] rt_sigprocmask(SIG_SETMASK, [], [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8569] <... sendmsg resumed>) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8570] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8569] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8569] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8570] <... setsockopt resumed>) = 0 [pid 8570] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8568] <... futex resumed>) = 0 [pid 8568] exit_group(0) = ? [pid 8569] <... futex resumed>) = ? [pid 8569] +++ exited with 0 +++ [pid 8570] +++ exited with 0 +++ [pid 8568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8571 ./strace-static-x86_64: Process 8571 attached [pid 8571] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8571] setpgid(0, 0) = 0 [pid 8571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8571] write(3, "1000", 4) = 4 [pid 8571] close(3) = 0 [pid 8571] write(1, "executing program\n", 18executing program ) = 18 [pid 8571] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8571] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8571] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8572 attached => {parent_tid=[8572]}, 88) = 8572 [pid 8572] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8572] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8571] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8572] <... futex resumed>) = 0 [pid 8571] <... futex resumed>) = 1 [pid 8572] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8571] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8572] <... socketpair resumed>[3, 4]) = 0 [pid 8572] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8572] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8571] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8572] <... futex resumed>) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8571] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8571] <... futex resumed>) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8572] <... sendmsg resumed>) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8571] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8572] <... sendmsg resumed>) = 0 [pid 8572] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8572] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8572] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8571] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8573 attached [pid 8573] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8573] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8571] <... clone3 resumed> => {parent_tid=[8573]}, 88) = 8573 [pid 8571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8571] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8573] <... futex resumed>) = 0 [pid 8573] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8573] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8573] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8571] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8571] exit_group(0) = ? [pid 8572] <... futex resumed>) = ? [pid 8572] +++ exited with 0 +++ [pid 8573] <... futex resumed>) = ? [pid 8573] +++ exited with 0 +++ [pid 8571] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8574 ./strace-static-x86_64: Process 8574 attached [pid 8574] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8574] setpgid(0, 0) = 0 [pid 8574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8574] write(3, "1000", 4) = 4 [pid 8574] close(3) = 0 [pid 8574] write(1, "executing program\n", 18executing program ) = 18 [pid 8574] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8574] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8574] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8575]}, 88) = 8575 [pid 8574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8574] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8574] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8575 attached [pid 8575] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8575] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8575] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8574] <... futex resumed>) = 0 [pid 8574] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8574] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8574] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8574] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8576]}, 88) = 8576 [pid 8574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8574] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8574] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8575] <... futex resumed>) = 1 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8575] 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 8576 attached ) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8576] set_robust_list(0x7ff2a101e9a0, 24 [pid 8575] <... sendmsg resumed>) = 0 [pid 8576] <... set_robust_list resumed>) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8576] rt_sigprocmask(SIG_SETMASK, [], [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8576] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8575] <... sendmsg resumed>) = 0 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8576] <... setsockopt resumed>) = 0 [pid 8575] <... sendmsg resumed>) = 0 [pid 8576] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8576] <... futex resumed>) = 1 [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8574] <... futex resumed>) = 0 [pid 8576] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8575] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8575] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8575] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8574] exit_group(0) = ? [pid 8575] <... futex resumed>) = 231 [pid 8575] +++ exited with 0 +++ [pid 8576] <... futex resumed>) = ? [pid 8576] +++ exited with 0 +++ [pid 8574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8577 ./strace-static-x86_64: Process 8577 attached [pid 8577] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8577] setpgid(0, 0) = 0 [pid 8577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8577] write(3, "1000", 4) = 4 [pid 8577] close(3executing program ) = 0 [pid 8577] write(1, "executing program\n", 18) = 18 [pid 8577] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8577] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8578]}, 88) = 8578 [pid 8577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8577] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8578 attached [pid 8578] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8578] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8578] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8577] <... futex resumed>) = 0 [pid 8577] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8577] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8578] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8579 attached [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8577] <... clone3 resumed> => {parent_tid=[8579]}, 88) = 8579 [pid 8577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8577] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8577] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8579] set_robust_list(0x7ff2a101e9a0, 24 [pid 8578] <... sendmsg resumed>) = 0 [pid 8579] <... set_robust_list resumed>) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8579] rt_sigprocmask(SIG_SETMASK, [], [pid 8578] <... sendmsg resumed>) = 0 [pid 8579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8579] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8578] <... sendmsg resumed>) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8578] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8578] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8579] <... setsockopt resumed>) = 0 [pid 8579] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8577] <... futex resumed>) = 0 [pid 8577] exit_group(0) = ? [pid 8578] <... futex resumed>) = ? [pid 8578] +++ exited with 0 +++ [pid 8579] +++ exited with 0 +++ [pid 8577] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8580 ./strace-static-x86_64: Process 8580 attached [pid 8580] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8580] setpgid(0, 0) = 0 [pid 8580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8580] write(3, "1000", 4) = 4 [pid 8580] close(3) = 0 executing program [pid 8580] write(1, "executing program\n", 18) = 18 [pid 8580] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8580] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8580] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8580] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8581 attached [pid 8581] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8581] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8580] <... clone3 resumed> => {parent_tid=[8581]}, 88) = 8581 [pid 8580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8580] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8581] <... futex resumed>) = 0 [pid 8581] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8581] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8581] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8580] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8580] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8581] <... futex resumed>) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8581] <... sendmsg resumed>) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] <... futex resumed>) = 0 [pid 8581] <... sendmsg resumed>) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8581] <... sendmsg resumed>) = 0 [pid 8580] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8581] <... sendmsg resumed>) = 0 [pid 8580] <... mprotect resumed>) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8581] <... sendmsg resumed>) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8581] <... sendmsg resumed>) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] <... clone3 resumed> => {parent_tid=[8582]}, 88) = 8582 [pid 8580] rt_sigprocmask(SIG_SETMASK, [], [pid 8581] <... sendmsg resumed>) = 0 [pid 8580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8580] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8580] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8581] <... sendmsg resumed>) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] 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 8582 attached [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8581] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8581] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8582] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8582] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8582] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8580] <... futex resumed>) = 0 [pid 8580] exit_group(0) = ? [pid 8581] <... futex resumed>) = ? [pid 8581] +++ exited with 0 +++ [pid 8582] +++ exited with 0 +++ [pid 8580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8580, si_uid=0, si_status=0, 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 8583 attached , child_tidptr=0x55556cb53690) = 8583 [pid 8583] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8583] setpgid(0, 0) = 0 [pid 8583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8583] write(3, "1000", 4) = 4 [pid 8583] close(3executing program ) = 0 [pid 8583] write(1, "executing program\n", 18) = 18 [pid 8583] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8583] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8583] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8584 attached => {parent_tid=[8584]}, 88) = 8584 [pid 8584] set_robust_list(0x7ff2a103f9a0, 24 [pid 8583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8583] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8583] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8584] <... set_robust_list resumed>) = 0 [pid 8584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8584] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8584] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8583] <... futex resumed>) = 0 [pid 8583] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8583] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8583] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8583] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8584] <... sendmsg resumed>) = 0 [pid 8583] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8584] 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 8585 attached [pid 8583] <... clone3 resumed> => {parent_tid=[8585]}, 88) = 8585 [pid 8583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8583] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8583] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8585] set_robust_list(0x7ff2a101e9a0, 24 [pid 8584] <... sendmsg resumed>) = 0 [pid 8585] <... set_robust_list resumed>) = 0 [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8585] rt_sigprocmask(SIG_SETMASK, [], [pid 8584] <... sendmsg resumed>) = 0 [pid 8585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8585] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8584] <... sendmsg resumed>) = 0 [pid 8585] <... setsockopt resumed>) = 0 [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8585] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8584] <... sendmsg resumed>) = 0 [pid 8585] <... futex resumed>) = 1 [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8583] <... futex resumed>) = 0 [pid 8585] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8584] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8584] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8584] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8583] exit_group(0 [pid 8585] <... futex resumed>) = ? [pid 8584] <... futex resumed>) = ? [pid 8583] <... exit_group resumed>) = ? [pid 8584] +++ exited with 0 +++ [pid 8585] +++ exited with 0 +++ [pid 8583] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8583, si_uid=0, si_status=0, 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 8587 attached , child_tidptr=0x55556cb53690) = 8587 [pid 8587] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8587] setpgid(0, 0) = 0 [pid 8587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8587] write(3, "1000", 4) = 4 [pid 8587] close(3) = 0 executing program [pid 8587] write(1, "executing program\n", 18) = 18 [pid 8587] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8587] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8587] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8588]}, 88) = 8588 [pid 8587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8587] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8587] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8588 attached [pid 8588] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8588] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8588] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8587] <... futex resumed>) = 0 [pid 8587] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8587] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8587] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8589]}, 88) = 8589 [pid 8587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8587] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8587] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8588] <... futex resumed>) = 1 [pid 8588] 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 8589 attached [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8589] set_robust_list(0x7ff2a101e9a0, 24 [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8589] <... set_robust_list resumed>) = 0 [pid 8589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8588] <... sendmsg resumed>) = 0 [pid 8589] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8589] <... setsockopt resumed>) = 0 [pid 8588] <... sendmsg resumed>) = 0 [pid 8589] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8587] <... futex resumed>) = 0 [pid 8589] <... futex resumed>) = 1 [pid 8589] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8588] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8588] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8587] exit_group(0) = ? [pid 8589] <... futex resumed>) = 231 [pid 8589] +++ exited with 0 +++ [pid 8588] <... futex resumed>) = ? [pid 8588] +++ exited with 0 +++ [pid 8587] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8587, 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=0x55556cb53690) = 8590 ./strace-static-x86_64: Process 8590 attached [pid 8590] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8590] setpgid(0, 0) = 0 [pid 8590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8590] write(3, "1000", 4) = 4 [pid 8590] close(3) = 0 [pid 8590] write(1, "executing program\n", 18) = 18 [pid 8590] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8590] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8590] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8590] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8591 attached => {parent_tid=[8591]}, 88) = 8591 [pid 8591] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8591] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8590] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8591] <... futex resumed>) = 0 [pid 8591] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8590] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8591] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8590] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8591] <... futex resumed>) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8591] <... sendmsg resumed>) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] <... futex resumed>) = 0 [pid 8591] <... sendmsg resumed>) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8591] <... sendmsg resumed>) = 0 [pid 8590] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8591] <... sendmsg resumed>) = 0 [pid 8590] <... mprotect resumed>) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8591] <... sendmsg resumed>) = 0 [pid 8590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8591] <... sendmsg resumed>) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] <... clone3 resumed> => {parent_tid=[8592]}, 88) = 8592 [pid 8590] rt_sigprocmask(SIG_SETMASK, [], [pid 8591] <... sendmsg resumed>) = 0 [pid 8590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8590] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8590] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8591] <... sendmsg resumed>) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8591] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8591] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8592 attached [pid 8592] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8592] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8592] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8590] <... futex resumed>) = 0 [pid 8590] exit_group(0) = ? [pid 8591] <... futex resumed>) = ? [pid 8592] +++ exited with 0 +++ [pid 8591] +++ exited with 0 +++ [pid 8590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8590, si_uid=0, si_status=0, 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 8593 attached , child_tidptr=0x55556cb53690) = 8593 [pid 8593] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8593] setpgid(0, 0) = 0 [pid 8593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8593] write(3, "1000", 4) = 4 [pid 8593] close(3) = 0 [pid 8593] write(1, "executing program\n", 18executing program ) = 18 [pid 8593] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8593] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8593] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8593] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8593] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8594 attached [pid 8594] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8594] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] <... clone3 resumed> => {parent_tid=[8594]}, 88) = 8594 [pid 8593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8593] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8594] <... futex resumed>) = 0 [pid 8594] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8594] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8594] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8593] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8594] <... futex resumed>) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8593] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8594] <... sendmsg resumed>) = 0 [pid 8593] <... futex resumed>) = 0 [pid 8594] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8594] <... sendmsg resumed>) = 0 [pid 8593] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8594] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8593] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8594] <... futex resumed>) = 0 [pid 8594] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] <... mprotect resumed>) = 0 [pid 8593] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8595 attached => {parent_tid=[8595]}, 88) = 8595 [pid 8595] set_robust_list(0x7ff2a101e9a0, 24 [pid 8593] rt_sigprocmask(SIG_SETMASK, [], [pid 8595] <... set_robust_list resumed>) = 0 [pid 8595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8595] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8593] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8595] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8593] <... futex resumed>) = 0 [pid 8593] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8595] <... setsockopt resumed>) = 0 [pid 8595] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8593] <... futex resumed>) = 0 [pid 8595] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8593] exit_group(0) = ? [pid 8594] <... futex resumed>) = ? [pid 8594] +++ exited with 0 +++ [pid 8595] <... futex resumed>) = ? [pid 8595] +++ exited with 0 +++ [pid 8593] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8596 ./strace-static-x86_64: Process 8596 attached [pid 8596] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8596] setpgid(0, 0) = 0 [pid 8596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8596] write(3, "1000", 4) = 4 executing program [pid 8596] close(3) = 0 [pid 8596] write(1, "executing program\n", 18) = 18 [pid 8596] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8596] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8596] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8597]}, 88) = 8597 [pid 8596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8596] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8596] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8597 attached [pid 8597] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8597] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8597] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8596] <... futex resumed>) = 0 [pid 8596] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8596] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8596] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8596] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8597] <... futex resumed>) = 1 [pid 8596] <... clone3 resumed> => {parent_tid=[8598]}, 88) = 8598 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8596] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8597] <... sendmsg resumed>) = 0 [pid 8596] <... futex resumed>) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8596] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8597] <... sendmsg resumed>) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8597] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8597] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8598 attached [pid 8598] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8598] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8598] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8596] <... futex resumed>) = 0 [pid 8598] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8596] exit_group(0) = ? [pid 8597] <... futex resumed>) = ? [pid 8597] +++ exited with 0 +++ [pid 8598] <... futex resumed>) = ? [pid 8598] +++ exited with 0 +++ [pid 8596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8599 ./strace-static-x86_64: Process 8599 attached [pid 8599] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8599] setpgid(0, 0) = 0 [pid 8599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8599] write(3, "1000", 4) = 4 [pid 8599] close(3) = 0 [pid 8599] write(1, "executing program\n", 18executing program ) = 18 [pid 8599] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8599] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8599] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8600 attached => {parent_tid=[8600]}, 88) = 8600 [pid 8600] set_robust_list(0x7ff2a103f9a0, 24 [pid 8599] rt_sigprocmask(SIG_SETMASK, [], [pid 8600] <... set_robust_list resumed>) = 0 [pid 8599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8600] rt_sigprocmask(SIG_SETMASK, [], [pid 8599] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8599] <... futex resumed>) = 0 [pid 8600] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8599] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8600] <... socketpair resumed>[3, 4]) = 0 [pid 8600] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8599] <... futex resumed>) = 0 [pid 8600] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8599] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8599] <... futex resumed>) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... futex resumed>) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... mprotect resumed>) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8600] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8601 attached [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8601] set_robust_list(0x7ff2a101e9a0, 24 [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... clone3 resumed> => {parent_tid=[8601]}, 88) = 8601 [pid 8601] <... set_robust_list resumed>) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] rt_sigprocmask(SIG_SETMASK, [], [pid 8601] rt_sigprocmask(SIG_SETMASK, [], [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8601] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... futex resumed>) = 0 [pid 8601] <... setsockopt resumed>) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8599] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8601] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8600] <... sendmsg resumed>) = 0 [pid 8599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8601] <... futex resumed>) = 0 [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8601] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8600] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8600] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8600] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8599] exit_group(0 [pid 8600] <... futex resumed>) = ? [pid 8599] <... exit_group resumed>) = ? [pid 8600] +++ exited with 0 +++ [pid 8601] <... futex resumed>) = ? [pid 8601] +++ exited with 0 +++ [pid 8599] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8599, 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 8602 attached , child_tidptr=0x55556cb53690) = 8602 [pid 8602] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8602] setpgid(0, 0) = 0 [pid 8602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8602] write(3, "1000", 4) = 4 [pid 8602] close(3) = 0 [pid 8602] write(1, "executing program\n", 18executing program ) = 18 [pid 8602] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8602] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8603 attached => {parent_tid=[8603]}, 88) = 8603 [pid 8603] set_robust_list(0x7ff2a103f9a0, 24 [pid 8602] rt_sigprocmask(SIG_SETMASK, [], [pid 8603] <... set_robust_list resumed>) = 0 [pid 8603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8603] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8602] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8603] <... futex resumed>) = 0 [pid 8602] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8603] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8603] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8602] <... futex resumed>) = 0 [pid 8602] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8602] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8604]}, 88) = 8604 [pid 8602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8602] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8602] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8604 attached [pid 8604] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8604] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8604] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8602] <... futex resumed>) = 0 [pid 8604] <... futex resumed>) = 1 [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8604] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8603] <... sendmsg resumed>) = 0 [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8603] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8603] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8602] exit_group(0 [pid 8603] <... futex resumed>) = ? [pid 8602] <... exit_group resumed>) = ? [pid 8603] +++ exited with 0 +++ [pid 8604] <... futex resumed>) = ? [pid 8604] +++ exited with 0 +++ [pid 8602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8602, si_uid=0, si_status=0, 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 8605 attached , child_tidptr=0x55556cb53690) = 8605 [pid 8605] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8605] setpgid(0, 0) = 0 [pid 8605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8605] write(3, "1000", 4) = 4 [pid 8605] close(3) = 0 executing program [pid 8605] write(1, "executing program\n", 18) = 18 [pid 8605] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8605] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8605] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8606 attached => {parent_tid=[8606]}, 88) = 8606 [pid 8606] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8606] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8605] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8606] <... futex resumed>) = 0 [pid 8606] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8605] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8606] <... socketpair resumed>[3, 4]) = 0 [pid 8606] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8606] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8605] <... futex resumed>) = 0 [pid 8605] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8606] <... futex resumed>) = 0 [pid 8605] <... futex resumed>) = 1 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8605] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8606] <... sendmsg resumed>) = 0 [pid 8605] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8605] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8606] <... sendmsg resumed>) = 0 [pid 8605] <... mprotect resumed>) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8605] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8606] <... sendmsg resumed>) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8605] <... clone3 resumed> => {parent_tid=[8607]}, 88) = 8607 [pid 8605] rt_sigprocmask(SIG_SETMASK, [], [pid 8606] <... sendmsg resumed>) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8605] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8606] <... sendmsg resumed>) = 0 [pid 8605] <... futex resumed>) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8605] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8606] <... sendmsg resumed>) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] 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 8607 attached [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8607] set_robust_list(0x7ff2a101e9a0, 24 [pid 8606] <... sendmsg resumed>) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8606] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8606] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8607] <... set_robust_list resumed>) = 0 [pid 8607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8607] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8607] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8605] <... futex resumed>) = 0 [pid 8605] exit_group(0) = ? [pid 8606] <... futex resumed>) = ? [pid 8606] +++ exited with 0 +++ [pid 8607] +++ exited with 0 +++ [pid 8605] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8605, si_uid=0, si_status=0, 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 8608 attached , child_tidptr=0x55556cb53690) = 8608 [pid 8608] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8608] setpgid(0, 0) = 0 [pid 8608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8608] write(3, "1000", 4) = 4 [pid 8608] close(3) = 0 [pid 8608] write(1, "executing program\n", 18executing program ) = 18 [pid 8608] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8608] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8608] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8609 attached => {parent_tid=[8609]}, 88) = 8609 [pid 8609] set_robust_list(0x7ff2a103f9a0, 24 [pid 8608] rt_sigprocmask(SIG_SETMASK, [], [pid 8609] <... set_robust_list resumed>) = 0 [pid 8609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8609] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8608] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8609] <... futex resumed>) = 0 [pid 8608] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8609] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8609] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8608] <... futex resumed>) = 0 [pid 8608] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8608] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8608] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8608] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8610]}, 88) = 8610 [pid 8608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8608] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8608] <... futex resumed>) = 0 [pid 8608] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8610 attached [pid 8610] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8610] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8610] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8608] <... futex resumed>) = 0 [pid 8610] <... futex resumed>) = 1 [pid 8609] <... sendmsg resumed>) = 0 [pid 8610] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8609] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8608] exit_group(0) = ? [pid 8609] +++ exited with 0 +++ [pid 8610] <... futex resumed>) = ? [pid 8610] +++ exited with 0 +++ [pid 8608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8608, si_uid=0, si_status=0, 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 8611 attached , child_tidptr=0x55556cb53690) = 8611 [pid 8611] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8611] setpgid(0, 0) = 0 [pid 8611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8611] write(3, "1000", 4) = 4 [pid 8611] close(3) = 0 executing program [pid 8611] write(1, "executing program\n", 18) = 18 [pid 8611] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8611] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8611] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8611] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8612 attached => {parent_tid=[8612]}, 88) = 8612 [pid 8612] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8612] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8611] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8612] <... futex resumed>) = 0 [pid 8612] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8611] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8612] <... socketpair resumed>[3, 4]) = 0 [pid 8612] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8612] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8611] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8612] <... futex resumed>) = 0 [pid 8611] <... futex resumed>) = 1 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8611] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8612] <... sendmsg resumed>) = 0 [pid 8611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8611] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8611] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8612] <... sendmsg resumed>) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8611] <... mprotect resumed>) = 0 [pid 8612] <... sendmsg resumed>) = 0 [pid 8611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8612] <... sendmsg resumed>) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8611] <... clone3 resumed> => {parent_tid=[8613]}, 88) = 8613 [pid 8611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8611] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8612] <... sendmsg resumed>) = 0 [pid 8611] <... futex resumed>) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8611] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8612] <... sendmsg resumed>) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] 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 8613 attached ) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8613] set_robust_list(0x7ff2a101e9a0, 24 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8613] <... set_robust_list resumed>) = 0 [pid 8612] <... sendmsg resumed>) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8613] rt_sigprocmask(SIG_SETMASK, [], [pid 8612] <... sendmsg resumed>) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8612] <... sendmsg resumed>) = 0 [pid 8612] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8612] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8612] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8613] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8613] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8611] <... futex resumed>) = 0 [pid 8611] exit_group(0) = ? [pid 8612] <... futex resumed>) = ? [pid 8612] +++ exited with 0 +++ [pid 8613] +++ exited with 0 +++ [pid 8611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8614 ./strace-static-x86_64: Process 8614 attached [pid 8614] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8614] setpgid(0, 0) = 0 [pid 8614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8614] write(3, "1000", 4) = 4 [pid 8614] close(3) = 0 executing program [pid 8614] write(1, "executing program\n", 18) = 18 [pid 8614] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8614] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8614] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8615 attached [pid 8615] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8615] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8614] <... clone3 resumed> => {parent_tid=[8615]}, 88) = 8615 [pid 8614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8614] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8615] <... futex resumed>) = 0 [pid 8615] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8614] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8615] <... socketpair resumed>[3, 4]) = 0 [pid 8615] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8614] <... futex resumed>) = 0 [pid 8614] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8614] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8614] <... futex resumed>) = 0 [pid 8614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8614] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8616]}, 88) = 8616 [pid 8614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8614] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8614] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8616 attached [pid 8616] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8616] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8616] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8614] <... futex resumed>) = 0 [pid 8616] <... futex resumed>) = 1 [pid 8615] <... sendmsg resumed>) = 0 [pid 8616] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8615] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8615] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8614] exit_group(0 [pid 8616] <... futex resumed>) = ? [pid 8615] <... futex resumed>) = ? [pid 8614] <... exit_group resumed>) = ? [pid 8615] +++ exited with 0 +++ [pid 8616] +++ exited with 0 +++ [pid 8614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8617 ./strace-static-x86_64: Process 8617 attached [pid 8617] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8617] setpgid(0, 0) = 0 [pid 8617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8617] write(3, "1000", 4) = 4 [pid 8617] close(3) = 0 [pid 8617] write(1, "executing program\n", 18executing program ) = 18 [pid 8617] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8617] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8617] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8618 attached => {parent_tid=[8618]}, 88) = 8618 [pid 8618] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8618] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8617] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8618] <... futex resumed>) = 0 [pid 8618] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8618] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8618] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8617] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8617] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] <... futex resumed>) = 0 [pid 8617] <... futex resumed>) = 1 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8617] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8618] <... sendmsg resumed>) = 0 [pid 8618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8618] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8618] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8617] <... futex resumed>) = 0 [pid 8617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8617] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8619 attached [pid 8619] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8619] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8617] <... clone3 resumed> => {parent_tid=[8619]}, 88) = 8619 [pid 8617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8617] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8619] <... futex resumed>) = 0 [pid 8619] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8619] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8619] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8617] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8617] exit_group(0) = ? [pid 8618] <... futex resumed>) = ? [pid 8618] +++ exited with 0 +++ [pid 8619] <... futex resumed>) = ? [pid 8619] +++ exited with 0 +++ [pid 8617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8620 ./strace-static-x86_64: Process 8620 attached [pid 8620] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8620] setpgid(0, 0) = 0 [pid 8620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8620] write(3, "1000", 4) = 4 [pid 8620] close(3) = 0 [pid 8620] write(1, "executing program\n", 18executing program ) = 18 [pid 8620] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8620] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8620] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8621 attached => {parent_tid=[8621]}, 88) = 8621 [pid 8621] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8621] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8620] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8621] <... futex resumed>) = 0 [pid 8621] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8621] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8621] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8620] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8621] <... futex resumed>) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8620] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8620] <... futex resumed>) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8621] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8621] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8620] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8622 attached => {parent_tid=[8622]}, 88) = 8622 [pid 8622] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8622] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8620] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8622] <... futex resumed>) = 0 [pid 8622] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8622] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8622] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8620] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8620] exit_group(0 [pid 8621] <... futex resumed>) = ? [pid 8620] <... exit_group resumed>) = ? [pid 8621] +++ exited with 0 +++ [pid 8622] <... futex resumed>) = ? [pid 8622] +++ exited with 0 +++ [pid 8620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8620, si_uid=0, si_status=0, 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 8623 attached , child_tidptr=0x55556cb53690) = 8623 [pid 8623] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8623] setpgid(0, 0) = 0 [pid 8623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8623] write(3, "1000", 4) = 4 [pid 8623] close(3) = 0 [pid 8623] write(1, "executing program\n", 18executing program ) = 18 [pid 8623] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8623] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8623] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8624 attached => {parent_tid=[8624]}, 88) = 8624 [pid 8624] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8624] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8623] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8624] <... futex resumed>) = 0 [pid 8624] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8623] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8624] <... socketpair resumed>[3, 4]) = 0 [pid 8624] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8623] <... futex resumed>) = 0 [pid 8623] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8623] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8623] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8625]}, 88) = 8625 [pid 8623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8623] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8623] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8625 attached [pid 8625] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8625] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8625] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8623] <... futex resumed>) = 0 [pid 8625] <... futex resumed>) = 1 [pid 8625] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8624] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8623] exit_group(0) = ? [pid 8625] <... futex resumed>) = ? [pid 8625] +++ exited with 0 +++ [pid 8624] +++ exited with 0 +++ [pid 8623] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8623, si_uid=0, si_status=0, 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 8626 attached , child_tidptr=0x55556cb53690) = 8626 [pid 8626] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8626] setpgid(0, 0) = 0 [pid 8626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8626] write(3, "1000", 4) = 4 [pid 8626] close(3) = 0 [pid 8626] write(1, "executing program\n", 18executing program ) = 18 [pid 8626] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8626] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8626] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8627 attached => {parent_tid=[8627]}, 88) = 8627 [pid 8627] set_robust_list(0x7ff2a103f9a0, 24 [pid 8626] rt_sigprocmask(SIG_SETMASK, [], [pid 8627] <... set_robust_list resumed>) = 0 [pid 8627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8627] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8626] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8627] <... futex resumed>) = 0 [pid 8626] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8627] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8627] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8626] <... futex resumed>) = 0 [pid 8626] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8626] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8626] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8628]}, 88) = 8628 [pid 8626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8626] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8626] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8628 attached [pid 8628] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8628] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8628] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8626] <... futex resumed>) = 0 [pid 8628] <... futex resumed>) = 1 [pid 8628] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8627] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8627] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8626] exit_group(0 [pid 8627] <... futex resumed>) = ? [pid 8626] <... exit_group resumed>) = ? [pid 8627] +++ exited with 0 +++ [pid 8628] <... futex resumed>) = ? [pid 8628] +++ exited with 0 +++ [pid 8626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8626, si_uid=0, si_status=0, 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 8629 attached , child_tidptr=0x55556cb53690) = 8629 [pid 8629] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8629] setpgid(0, 0) = 0 [pid 8629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8629] write(3, "1000", 4) = 4 [pid 8629] close(3) = 0 [pid 8629] write(1, "executing program\n", 18executing program ) = 18 [pid 8629] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8629] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8629] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8630 attached => {parent_tid=[8630]}, 88) = 8630 [pid 8630] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8630] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8629] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8630] <... futex resumed>) = 0 [pid 8629] <... futex resumed>) = 1 [pid 8630] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8629] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8630] <... socketpair resumed>[3, 4]) = 0 [pid 8630] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8630] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8629] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8630] <... futex resumed>) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8629] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8629] <... futex resumed>) = 0 [pid 8630] <... sendmsg resumed>) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8630] <... sendmsg resumed>) = 0 [pid 8629] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8629] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8630] <... sendmsg resumed>) = 0 [pid 8629] <... mprotect resumed>) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8630] <... sendmsg resumed>) = 0 [pid 8629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8630] <... sendmsg resumed>) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8629] <... clone3 resumed> => {parent_tid=[8631]}, 88) = 8631 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8630] <... sendmsg resumed>) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8629] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8629] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8630] <... sendmsg resumed>) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8630] 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 8631 attached ) = 0 [pid 8630] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8630] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8631] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8631] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8631] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8629] <... futex resumed>) = 0 [pid 8629] exit_group(0) = ? [pid 8630] <... futex resumed>) = ? [pid 8630] +++ exited with 0 +++ [pid 8631] +++ exited with 0 +++ [pid 8629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8632 ./strace-static-x86_64: Process 8632 attached [pid 8632] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8632] setpgid(0, 0) = 0 [pid 8632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8632] write(3, "1000", 4executing program ) = 4 [pid 8632] close(3) = 0 [pid 8632] write(1, "executing program\n", 18) = 18 [pid 8632] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8632] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8632] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8633]}, 88) = 8633 [pid 8632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8632] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8632] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8633 attached [pid 8633] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8633] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8633] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8632] <... futex resumed>) = 0 [pid 8632] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8632] <... futex resumed>) = 0 [pid 8632] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8633] <... sendmsg resumed>) = 0 [pid 8632] <... futex resumed>) = 0 [pid 8632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8632] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8632] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8633] <... sendmsg resumed>) = 0 [pid 8632] <... mprotect resumed>) = 0 [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8632] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8633] <... sendmsg resumed>) = 0 [pid 8632] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8632] <... clone3 resumed> => {parent_tid=[8634]}, 88) = 8634 [pid 8633] <... sendmsg resumed>) = 0 [pid 8632] rt_sigprocmask(SIG_SETMASK, [], [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8632] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8633] <... sendmsg resumed>) = 0 [pid 8632] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8633] 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 8634 attached ) = 0 [pid 8634] set_robust_list(0x7ff2a101e9a0, 24 [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8634] <... set_robust_list resumed>) = 0 [pid 8633] <... sendmsg resumed>) = 0 [pid 8634] rt_sigprocmask(SIG_SETMASK, [], [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8633] <... sendmsg resumed>) = 0 [pid 8634] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8634] <... setsockopt resumed>) = 0 [pid 8633] <... sendmsg resumed>) = 0 [pid 8634] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8632] <... futex resumed>) = 0 [pid 8634] <... futex resumed>) = 1 [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8634] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8633] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8633] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8633] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8632] exit_group(0) = ? [pid 8633] <... futex resumed>) = ? [pid 8633] +++ exited with 0 +++ [pid 8634] <... futex resumed>) = ? [pid 8634] +++ exited with 0 +++ [pid 8632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8632, si_uid=0, si_status=0, 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 8635 attached , child_tidptr=0x55556cb53690) = 8635 [pid 8635] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8635] setpgid(0, 0) = 0 [pid 8635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8635] write(3, "1000", 4) = 4 [pid 8635] close(3) = 0 [pid 8635] write(1, "executing program\n", 18executing program ) = 18 [pid 8635] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8635] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8635] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8636 attached [pid 8636] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8636] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8635] <... clone3 resumed> => {parent_tid=[8636]}, 88) = 8636 [pid 8635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8635] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8635] <... futex resumed>) = 1 [pid 8636] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8635] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8636] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8636] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8635] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] <... futex resumed>) = 0 [pid 8635] <... futex resumed>) = 1 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8635] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8635] <... futex resumed>) = 0 [pid 8635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8636] <... sendmsg resumed>) = 0 [pid 8635] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8635] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8635] <... mprotect resumed>) = 0 [pid 8635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8636] <... sendmsg resumed>) = 0 [pid 8635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8636] <... sendmsg resumed>) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8635] <... clone3 resumed> => {parent_tid=[8637]}, 88) = 8637 [pid 8635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8636] <... sendmsg resumed>) = 0 [pid 8635] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8635] <... futex resumed>) = 0 [pid 8636] <... sendmsg resumed>) = 0 [pid 8635] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] 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 8637 attached ) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8637] set_robust_list(0x7ff2a101e9a0, 24 [pid 8636] <... sendmsg resumed>) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8637] <... set_robust_list resumed>) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8637] rt_sigprocmask(SIG_SETMASK, [], [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8636] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8636] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8637] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8637] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8635] <... futex resumed>) = 0 [pid 8635] exit_group(0) = ? [pid 8636] <... futex resumed>) = ? [pid 8636] +++ exited with 0 +++ [pid 8637] +++ exited with 0 +++ [pid 8635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8635, si_uid=0, si_status=0, 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 8638 attached , child_tidptr=0x55556cb53690) = 8638 [pid 8638] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8638] setpgid(0, 0) = 0 [pid 8638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8638] write(3, "1000", 4) = 4 executing program [pid 8638] close(3) = 0 [pid 8638] write(1, "executing program\n", 18) = 18 [pid 8638] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8638] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8638] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8639]}, 88) = 8639 ./strace-static-x86_64: Process 8639 attached [pid 8638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8638] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8638] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8639] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8639] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8639] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8638] <... futex resumed>) = 0 [pid 8638] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] <... futex resumed>) = 0 [pid 8639] <... sendmsg resumed>) = 0 [pid 8638] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] <... futex resumed>) = 0 [pid 8639] <... sendmsg resumed>) = 0 [pid 8638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8639] <... sendmsg resumed>) = 0 [pid 8638] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] <... mprotect resumed>) = 0 [pid 8639] <... sendmsg resumed>) = 0 [pid 8638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8639] <... sendmsg resumed>) = 0 [pid 8638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8640 attached [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8638] <... clone3 resumed> => {parent_tid=[8640]}, 88) = 8640 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] rt_sigprocmask(SIG_SETMASK, [], [pid 8639] <... sendmsg resumed>) = 0 [pid 8638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8639] <... sendmsg resumed>) = 0 [pid 8638] <... futex resumed>) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8638] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8639] <... sendmsg resumed>) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8640] set_robust_list(0x7ff2a101e9a0, 24 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8639] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8639] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8640] <... set_robust_list resumed>) = 0 [pid 8640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8640] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8640] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8638] <... futex resumed>) = 0 [pid 8640] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8638] exit_group(0 [pid 8640] <... futex resumed>) = ? [pid 8639] <... futex resumed>) = ? [pid 8638] <... exit_group resumed>) = ? [pid 8640] +++ exited with 0 +++ [pid 8639] +++ exited with 0 +++ [pid 8638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8641 ./strace-static-x86_64: Process 8641 attached [pid 8641] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8641] setpgid(0, 0) = 0 [pid 8641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8641] write(3, "1000", 4) = 4 [pid 8641] close(3) = 0 executing program [pid 8641] write(1, "executing program\n", 18) = 18 [pid 8641] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8641] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8641] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8642 attached => {parent_tid=[8642]}, 88) = 8642 [pid 8642] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8642] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8641] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8642] <... futex resumed>) = 0 [pid 8641] <... futex resumed>) = 1 [pid 8642] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8641] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8642] <... socketpair resumed>[3, 4]) = 0 [pid 8642] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8642] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8641] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8642] <... futex resumed>) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8641] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] <... futex resumed>) = 0 [pid 8642] <... sendmsg resumed>) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8642] <... sendmsg resumed>) = 0 [pid 8641] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8642] <... sendmsg resumed>) = 0 [pid 8641] <... mprotect resumed>) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8642] <... sendmsg resumed>) = 0 [pid 8641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8642] <... sendmsg resumed>) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] <... clone3 resumed> => {parent_tid=[8643]}, 88) = 8643 [pid 8642] <... sendmsg resumed>) = 0 [pid 8641] rt_sigprocmask(SIG_SETMASK, [], [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8641] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8642] <... sendmsg resumed>) = 0 [pid 8641] <... futex resumed>) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8641] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8642] <... sendmsg resumed>) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] 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 8643 attached [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8643] set_robust_list(0x7ff2a101e9a0, 24 [pid 8642] <... sendmsg resumed>) = 0 [pid 8642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8642] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8642] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8643] <... set_robust_list resumed>) = 0 [pid 8643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8643] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8643] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8641] <... futex resumed>) = 0 [pid 8643] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8641] exit_group(0) = ? [pid 8642] <... futex resumed>) = ? [pid 8642] +++ exited with 0 +++ [pid 8643] <... futex resumed>) = ? [pid 8643] +++ exited with 0 +++ [pid 8641] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8644 ./strace-static-x86_64: Process 8644 attached [pid 8644] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8644] setpgid(0, 0) = 0 [pid 8644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8644] write(3, "1000", 4) = 4 [pid 8644] close(3executing program ) = 0 [pid 8644] write(1, "executing program\n", 18) = 18 [pid 8644] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8644] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8644] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8645 attached => {parent_tid=[8645]}, 88) = 8645 [pid 8645] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8645] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8644] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8645] <... futex resumed>) = 0 [pid 8645] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8645] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8645] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8644] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8644] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8645] <... futex resumed>) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8644] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8644] <... futex resumed>) = 0 [pid 8644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8645] <... sendmsg resumed>) = 0 [pid 8644] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8644] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8645] <... sendmsg resumed>) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8644] <... mprotect resumed>) = 0 [pid 8645] <... sendmsg resumed>) = 0 [pid 8644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8645] <... sendmsg resumed>) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8644] <... clone3 resumed> => {parent_tid=[8646]}, 88) = 8646 [pid 8644] rt_sigprocmask(SIG_SETMASK, [], [pid 8645] <... sendmsg resumed>) = 0 [pid 8644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8644] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8645] <... sendmsg resumed>) = 0 [pid 8644] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8646 attached [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8645] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8645] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8646] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8646] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8646] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8644] <... futex resumed>) = 0 [pid 8646] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8644] exit_group(0) = ? [pid 8645] <... futex resumed>) = ? [pid 8645] +++ exited with 0 +++ [pid 8646] <... futex resumed>) = ? [pid 8646] +++ exited with 0 +++ [pid 8644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8644, si_uid=0, si_status=0, 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 8647 attached , child_tidptr=0x55556cb53690) = 8647 [pid 8647] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8647] setpgid(0, 0) = 0 [pid 8647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8647] write(3, "1000", 4) = 4 [pid 8647] close(3) = 0 [pid 8647] write(1, "executing program\n", 18executing program ) = 18 [pid 8647] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8647] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8647] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8648 attached [pid 8648] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8648] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8647] <... clone3 resumed> => {parent_tid=[8648]}, 88) = 8648 [pid 8647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8647] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8648] <... futex resumed>) = 0 [pid 8648] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8648] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8648] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8647] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8647] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8648] <... futex resumed>) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8647] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8647] <... futex resumed>) = 0 [pid 8648] <... sendmsg resumed>) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8648] <... sendmsg resumed>) = 0 [pid 8647] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8647] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8648] <... sendmsg resumed>) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8648] <... sendmsg resumed>) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8647] <... clone3 resumed> => {parent_tid=[8649]}, 88) = 8649 [pid 8648] <... sendmsg resumed>) = 0 [pid 8647] rt_sigprocmask(SIG_SETMASK, [], [pid 8648] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8648] <... sendmsg resumed>) = 0 [pid 8647] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8648] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8647] <... futex resumed>) = 0 [pid 8648] <... futex resumed>) = 0 [pid 8647] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8648] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8649 attached [pid 8649] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8649] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8649] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8647] <... futex resumed>) = 0 [pid 8647] exit_group(0) = ? [pid 8648] <... futex resumed>) = ? [pid 8648] +++ exited with 0 +++ [pid 8649] +++ exited with 0 +++ [pid 8647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8647, 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 8650 attached , child_tidptr=0x55556cb53690) = 8650 [pid 8650] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8650] setpgid(0, 0) = 0 [pid 8650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8650] write(3, "1000", 4) = 4 [pid 8650] close(3) = 0 [pid 8650] write(1, "executing program\n", 18executing program ) = 18 [pid 8650] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8650] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8650] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8651 attached => {parent_tid=[8651]}, 88) = 8651 [pid 8651] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8651] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8650] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8651] <... futex resumed>) = 0 [pid 8651] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8650] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8651] <... socketpair resumed>[3, 4]) = 0 [pid 8651] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8651] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8650] <... futex resumed>) = 0 [pid 8650] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8651] <... futex resumed>) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8650] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8650] <... futex resumed>) = 0 [pid 8651] <... sendmsg resumed>) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8650] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8651] <... sendmsg resumed>) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8650] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8650] <... mprotect resumed>) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8651] <... sendmsg resumed>) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8651] <... sendmsg resumed>) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8651] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8651] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8652]}, 88) = 8652 [pid 8650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8650] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8650] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8652 attached [pid 8652] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8652] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8652] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8650] <... futex resumed>) = 0 [pid 8650] exit_group(0) = ? [pid 8651] <... futex resumed>) = ? [pid 8651] +++ exited with 0 +++ [pid 8652] +++ exited with 0 +++ [pid 8650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8653 ./strace-static-x86_64: Process 8653 attached [pid 8653] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8653] setpgid(0, 0) = 0 [pid 8653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8653] write(3, "1000", 4) = 4 [pid 8653] close(3) = 0 [pid 8653] write(1, "executing program\n", 18executing program ) = 18 [pid 8653] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8653] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8653] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8654 attached => {parent_tid=[8654]}, 88) = 8654 [pid 8654] set_robust_list(0x7ff2a103f9a0, 24 [pid 8653] rt_sigprocmask(SIG_SETMASK, [], [pid 8654] <... set_robust_list resumed>) = 0 [pid 8653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8654] rt_sigprocmask(SIG_SETMASK, [], [pid 8653] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8653] <... futex resumed>) = 0 [pid 8654] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8653] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8654] <... socketpair resumed>[3, 4]) = 0 [pid 8654] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8653] <... futex resumed>) = 0 [pid 8654] <... futex resumed>) = 1 [pid 8653] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8653] <... futex resumed>) = 0 [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8653] <... futex resumed>) = 0 [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8653] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8653] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] <... mprotect resumed>) = 0 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8654] <... sendmsg resumed>) = 0 [pid 8654] 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 8655 attached [pid 8653] <... clone3 resumed> => {parent_tid=[8655]}, 88) = 8655 [pid 8655] set_robust_list(0x7ff2a101e9a0, 24 [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] rt_sigprocmask(SIG_SETMASK, [], [pid 8655] <... set_robust_list resumed>) = 0 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8655] rt_sigprocmask(SIG_SETMASK, [], [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8653] <... futex resumed>) = 0 [pid 8655] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8655] <... setsockopt resumed>) = 0 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8655] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8654] <... sendmsg resumed>) = 0 [pid 8653] <... futex resumed>) = 0 [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8655] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8654] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8654] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8653] exit_group(0 [pid 8655] <... futex resumed>) = ? [pid 8654] <... futex resumed>) = ? [pid 8653] <... exit_group resumed>) = ? [pid 8655] +++ exited with 0 +++ [pid 8654] +++ exited with 0 +++ [pid 8653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8653, 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=0x55556cb53690) = 8656 ./strace-static-x86_64: Process 8656 attached [pid 8656] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8656] setpgid(0, 0) = 0 [pid 8656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8656] write(3, "1000", 4) = 4 [pid 8656] close(3) = 0 [pid 8656] write(1, "executing program\n", 18executing program ) = 18 [pid 8656] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8656] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8656] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8657 attached => {parent_tid=[8657]}, 88) = 8657 [pid 8657] set_robust_list(0x7ff2a103f9a0, 24 [pid 8656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8657] <... set_robust_list resumed>) = 0 [pid 8656] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8657] rt_sigprocmask(SIG_SETMASK, [], [pid 8656] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8657] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8657] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8656] <... futex resumed>) = 0 [pid 8657] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8656] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8656] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8656] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8658 attached [pid 8657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8656] <... clone3 resumed> => {parent_tid=[8658]}, 88) = 8658 [pid 8656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8656] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8656] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8658] set_robust_list(0x7ff2a101e9a0, 24 [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8658] <... set_robust_list resumed>) = 0 [pid 8658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8658] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8658] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8656] <... futex resumed>) = 0 [pid 8658] <... futex resumed>) = 1 [pid 8658] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8657] <... sendmsg resumed>) = 0 [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8657] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8657] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8656] exit_group(0 [pid 8657] <... futex resumed>) = ? [pid 8656] <... exit_group resumed>) = ? [pid 8658] <... futex resumed>) = ? [pid 8657] +++ exited with 0 +++ [pid 8658] +++ exited with 0 +++ [pid 8656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8656, si_uid=0, si_status=0, 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 8659 attached , child_tidptr=0x55556cb53690) = 8659 [pid 8659] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8659] setpgid(0, 0) = 0 [pid 8659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8659] write(3, "1000", 4) = 4 [pid 8659] close(3) = 0 [pid 8659] write(1, "executing program\n", 18executing program ) = 18 [pid 8659] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8659] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8659] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8659] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8660 attached => {parent_tid=[8660]}, 88) = 8660 [pid 8660] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8660] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8659] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8660] <... futex resumed>) = 0 [pid 8660] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8659] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8660] <... socketpair resumed>[3, 4]) = 0 [pid 8660] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8660] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8659] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8660] <... futex resumed>) = 0 [pid 8659] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8659] <... futex resumed>) = 0 [pid 8660] <... sendmsg resumed>) = 0 [pid 8659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8659] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8660] <... sendmsg resumed>) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8659] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8660] <... sendmsg resumed>) = 0 [pid 8659] <... mprotect resumed>) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8660] <... sendmsg resumed>) = 0 [pid 8659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8660] <... sendmsg resumed>) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8659] <... clone3 resumed> => {parent_tid=[8661]}, 88) = 8661 [pid 8659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8660] <... sendmsg resumed>) = 0 [pid 8659] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8659] <... futex resumed>) = 0 [pid 8659] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8660] <... sendmsg resumed>) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] 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 8661 attached [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8660] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8660] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8661] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8661] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8661] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8659] <... futex resumed>) = 0 [pid 8659] exit_group(0) = ? [pid 8660] <... futex resumed>) = ? [pid 8660] +++ exited with 0 +++ [pid 8661] +++ exited with 0 +++ [pid 8659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8659, si_uid=0, si_status=0, 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 8662 attached , child_tidptr=0x55556cb53690) = 8662 [pid 8662] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8662] setpgid(0, 0) = 0 [pid 8662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8662] write(3, "1000", 4) = 4 [pid 8662] close(3) = 0 executing program [pid 8662] write(1, "executing program\n", 18) = 18 [pid 8662] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8662] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8662] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8663 attached => {parent_tid=[8663]}, 88) = 8663 [pid 8663] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8663] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8662] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8663] <... futex resumed>) = 0 [pid 8663] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8662] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8663] <... socketpair resumed>[3, 4]) = 0 [pid 8663] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8663] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8662] <... futex resumed>) = 0 [pid 8662] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8663] <... futex resumed>) = 0 [pid 8662] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8662] <... futex resumed>) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8663] <... sendmsg resumed>) = 0 [pid 8662] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8662] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8663] <... sendmsg resumed>) = 0 [pid 8662] <... mprotect resumed>) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8663] <... sendmsg resumed>) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8662] <... clone3 resumed> => {parent_tid=[8664]}, 88) = 8664 [pid 8663] <... sendmsg resumed>) = 0 [pid 8662] rt_sigprocmask(SIG_SETMASK, [], [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8662] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8663] <... sendmsg resumed>) = 0 [pid 8662] <... futex resumed>) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8662] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8663] <... sendmsg resumed>) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] 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 8664 attached ) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8664] set_robust_list(0x7ff2a101e9a0, 24 [pid 8663] <... sendmsg resumed>) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8664] <... set_robust_list resumed>) = 0 [pid 8663] <... sendmsg resumed>) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8664] rt_sigprocmask(SIG_SETMASK, [], [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8664] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8664] <... setsockopt resumed>) = 0 [pid 8663] <... sendmsg resumed>) = 0 [pid 8664] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8663] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8663] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8663] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8664] <... futex resumed>) = 1 [pid 8662] <... futex resumed>) = 0 [pid 8662] exit_group(0) = ? [pid 8664] +++ exited with 0 +++ [pid 8663] <... futex resumed>) = ? [pid 8663] +++ exited with 0 +++ [pid 8662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8662, si_uid=0, si_status=0, 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 8665 attached , child_tidptr=0x55556cb53690) = 8665 [pid 8665] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8665] setpgid(0, 0) = 0 [pid 8665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8665] write(3, "1000", 4) = 4 [pid 8665] close(3) = 0 [pid 8665] write(1, "executing program\n", 18executing program ) = 18 [pid 8665] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8665] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8665] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8665] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8666 attached => {parent_tid=[8666]}, 88) = 8666 [pid 8666] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8666] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8665] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8666] <... futex resumed>) = 0 [pid 8666] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8665] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8666] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8666] <... futex resumed>) = 0 [pid 8666] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8665] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8666] <... futex resumed>) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8665] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8666] <... sendmsg resumed>) = 0 [pid 8665] <... futex resumed>) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8666] <... sendmsg resumed>) = 0 [pid 8665] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8665] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8665] <... mprotect resumed>) = 0 [pid 8666] <... sendmsg resumed>) = 0 [pid 8665] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8665] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8666] <... sendmsg resumed>) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8665] <... clone3 resumed> => {parent_tid=[8667]}, 88) = 8667 [pid 8665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8666] <... sendmsg resumed>) = 0 [pid 8665] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8665] <... futex resumed>) = 0 [pid 8665] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8666] <... sendmsg resumed>) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] 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 8667 attached ) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8667] set_robust_list(0x7ff2a101e9a0, 24 [pid 8666] <... sendmsg resumed>) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8667] <... set_robust_list resumed>) = 0 [pid 8666] <... sendmsg resumed>) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8667] rt_sigprocmask(SIG_SETMASK, [], [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8667] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8666] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8667] <... setsockopt resumed>) = 0 [pid 8666] <... sendmsg resumed>) = 0 [pid 8666] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8666] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8667] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8665] <... futex resumed>) = 0 [pid 8665] exit_group(0) = ? [pid 8666] <... futex resumed>) = ? [pid 8666] +++ exited with 0 +++ [pid 8667] +++ exited with 0 +++ [pid 8665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8668 ./strace-static-x86_64: Process 8668 attached [pid 8668] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8668] setpgid(0, 0) = 0 [pid 8668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8668] write(3, "1000", 4) = 4 [pid 8668] close(3) = 0 [pid 8668] write(1, "executing program\n", 18executing program ) = 18 [pid 8668] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8668] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8668] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8669 attached [pid 8669] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8669] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8668] <... clone3 resumed> => {parent_tid=[8669]}, 88) = 8669 [pid 8668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8668] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8669] <... futex resumed>) = 0 [pid 8669] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8669] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8669] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8668] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8668] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8669] <... futex resumed>) = 0 [pid 8668] <... futex resumed>) = 1 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8668] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8669] <... sendmsg resumed>) = 0 [pid 8668] <... futex resumed>) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8669] <... sendmsg resumed>) = 0 [pid 8668] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8668] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8669] <... sendmsg resumed>) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8668] <... mprotect resumed>) = 0 [pid 8669] <... sendmsg resumed>) = 0 [pid 8668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8669] <... sendmsg resumed>) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8668] <... clone3 resumed> => {parent_tid=[8670]}, 88) = 8670 [pid 8669] <... sendmsg resumed>) = 0 [pid 8668] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8670 attached NULL, 8) = 0 [pid 8668] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8668] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8669] <... sendmsg resumed>) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8670] set_robust_list(0x7ff2a101e9a0, 24 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8670] <... set_robust_list resumed>) = 0 [pid 8669] <... sendmsg resumed>) = 0 [pid 8670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8670] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8670] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8668] <... futex resumed>) = 0 [pid 8670] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8669] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8669] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8668] exit_group(0 [pid 8670] <... futex resumed>) = ? [pid 8669] <... futex resumed>) = ? [pid 8668] <... exit_group resumed>) = ? [pid 8670] +++ exited with 0 +++ [pid 8669] +++ exited with 0 +++ [pid 8668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8668, si_uid=0, si_status=0, 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 8671 attached , child_tidptr=0x55556cb53690) = 8671 [pid 8671] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8671] setpgid(0, 0) = 0 [pid 8671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8671] write(3, "1000", 4) = 4 [pid 8671] close(3executing program ) = 0 [pid 8671] write(1, "executing program\n", 18) = 18 [pid 8671] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8671] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8671] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8672 attached [pid 8672] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8672] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8671] <... clone3 resumed> => {parent_tid=[8672]}, 88) = 8672 [pid 8671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8671] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8672] <... futex resumed>) = 0 [pid 8671] <... futex resumed>) = 1 [pid 8672] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8671] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8672] <... socketpair resumed>[3, 4]) = 0 [pid 8672] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8672] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8671] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8672] <... futex resumed>) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8671] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8672] <... sendmsg resumed>) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8671] <... futex resumed>) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8672] <... sendmsg resumed>) = 0 [pid 8671] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8671] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8672] <... sendmsg resumed>) = 0 [pid 8671] <... mprotect resumed>) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8672] <... sendmsg resumed>) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8671] <... clone3 resumed> => {parent_tid=[8673]}, 88) = 8673 [pid 8672] <... sendmsg resumed>) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8671] rt_sigprocmask(SIG_SETMASK, [], [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8671] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8672] <... sendmsg resumed>) = 0 [pid 8671] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8672] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8672] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8673 attached [pid 8673] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8673] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8673] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8671] <... futex resumed>) = 0 [pid 8673] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8671] exit_group(0) = ? [pid 8672] <... futex resumed>) = ? [pid 8672] +++ exited with 0 +++ [pid 8673] <... futex resumed>) = ? [pid 8673] +++ exited with 0 +++ [pid 8671] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8671, si_uid=0, si_status=0, 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 8674 attached , child_tidptr=0x55556cb53690) = 8674 [pid 8674] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8674] setpgid(0, 0) = 0 [pid 8674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8674] write(3, "1000", 4) = 4 [pid 8674] close(3) = 0 executing program [pid 8674] write(1, "executing program\n", 18) = 18 [pid 8674] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8674] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8674] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8675 attached => {parent_tid=[8675]}, 88) = 8675 [pid 8675] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8675] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8674] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8675] <... futex resumed>) = 0 [pid 8675] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8674] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8675] <... socketpair resumed>[3, 4]) = 0 [pid 8675] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8674] <... futex resumed>) = 0 [pid 8674] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8674] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8674] <... futex resumed>) = 0 [pid 8674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8674] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8674] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8675] <... sendmsg resumed>) = 0 [pid 8674] <... clone3 resumed> => {parent_tid=[8676]}, 88) = 8676 [pid 8674] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8674] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8674] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8676 attached [pid 8676] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8676] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8676] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8674] <... futex resumed>) = 0 [pid 8676] <... futex resumed>) = 1 [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8676] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8675] <... sendmsg resumed>) = 0 [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8675] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8675] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8674] exit_group(0 [pid 8675] <... futex resumed>) = ? [pid 8676] <... futex resumed>) = 231 [pid 8674] <... exit_group resumed>) = ? [pid 8675] +++ exited with 0 +++ [pid 8676] +++ exited with 0 +++ [pid 8674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8674, si_uid=0, si_status=0, 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 8677 attached , child_tidptr=0x55556cb53690) = 8677 [pid 8677] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8677] setpgid(0, 0) = 0 [pid 8677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8677] write(3, "1000", 4) = 4 [pid 8677] close(3executing program ) = 0 [pid 8677] write(1, "executing program\n", 18) = 18 [pid 8677] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8677] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8677] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8677] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8678 attached => {parent_tid=[8678]}, 88) = 8678 [pid 8678] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8678] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8677] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8678] <... futex resumed>) = 0 [pid 8677] <... futex resumed>) = 1 [pid 8678] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8677] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8678] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8678] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8677] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8678] <... futex resumed>) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8677] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8677] <... futex resumed>) = 0 [pid 8678] <... sendmsg resumed>) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8678] <... sendmsg resumed>) = 0 [pid 8677] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8677] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8678] <... sendmsg resumed>) = 0 [pid 8677] <... mprotect resumed>) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8678] <... sendmsg resumed>) = 0 [pid 8677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8678] <... sendmsg resumed>) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8677] <... clone3 resumed> => {parent_tid=[8679]}, 88) = 8679 [pid 8677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8677] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8678] <... sendmsg resumed>) = 0 [pid 8677] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] 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 8679 attached [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8678] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8678] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8679] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8679] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8679] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8677] <... futex resumed>) = 0 [pid 8677] exit_group(0) = ? [pid 8678] <... futex resumed>) = ? [pid 8678] +++ exited with 0 +++ [pid 8679] +++ exited with 0 +++ [pid 8677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8677, 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 8680 attached , child_tidptr=0x55556cb53690) = 8680 [pid 8680] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8680] setpgid(0, 0) = 0 [pid 8680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8680] write(3, "1000", 4) = 4 [pid 8680] close(3) = 0 [pid 8680] write(1, "executing program\n", 18executing program ) = 18 [pid 8680] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8680] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8680] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8681 attached => {parent_tid=[8681]}, 88) = 8681 [pid 8681] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8681] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8680] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8681] <... futex resumed>) = 0 [pid 8681] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8680] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8681] <... socketpair resumed>[3, 4]) = 0 [pid 8681] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8681] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8680] <... futex resumed>) = 0 [pid 8680] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8681] <... futex resumed>) = 0 [pid 8680] <... futex resumed>) = 1 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8680] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8681] <... sendmsg resumed>) = 0 [pid 8680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8680] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8680] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8681] <... sendmsg resumed>) = 0 [pid 8680] <... mprotect resumed>) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8681] <... sendmsg resumed>) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8680] <... clone3 resumed> => {parent_tid=[8682]}, 88) = 8682 [pid 8680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8680] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8681] <... sendmsg resumed>) = 0 [pid 8680] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] 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 8682 attached ) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8682] set_robust_list(0x7ff2a101e9a0, 24 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8682] <... set_robust_list resumed>) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8682] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8681] <... sendmsg resumed>) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8681] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8681] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8682] <... setsockopt resumed>) = 0 [pid 8682] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8680] <... futex resumed>) = 0 [pid 8680] exit_group(0) = ? [pid 8682] +++ exited with 0 +++ [pid 8681] <... futex resumed>) = ? [pid 8681] +++ exited with 0 +++ [pid 8680] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8680, si_uid=0, si_status=0, 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 8683 attached , child_tidptr=0x55556cb53690) = 8683 [pid 8683] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8683] setpgid(0, 0) = 0 [pid 8683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8683] write(3, "1000", 4) = 4 [pid 8683] close(3) = 0 executing program [pid 8683] write(1, "executing program\n", 18) = 18 [pid 8683] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8683] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8683] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8684 attached => {parent_tid=[8684]}, 88) = 8684 [pid 8684] set_robust_list(0x7ff2a103f9a0, 24 [pid 8683] rt_sigprocmask(SIG_SETMASK, [], [pid 8684] <... set_robust_list resumed>) = 0 [pid 8684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8684] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8683] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8684] <... futex resumed>) = 0 [pid 8683] <... futex resumed>) = 1 [pid 8684] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8683] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8684] <... socketpair resumed>[3, 4]) = 0 [pid 8684] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8684] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8683] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8684] <... futex resumed>) = 0 [pid 8683] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8683] <... futex resumed>) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8684] <... sendmsg resumed>) = 0 [pid 8683] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8683] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8684] <... sendmsg resumed>) = 0 [pid 8683] <... mprotect resumed>) = 0 [pid 8683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8683] <... clone3 resumed> => {parent_tid=[8685]}, 88) = 8685 [pid 8684] <... sendmsg resumed>) = 0 [pid 8683] rt_sigprocmask(SIG_SETMASK, [], [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8683] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8684] <... sendmsg resumed>) = 0 [pid 8683] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] 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 8685 attached [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8685] set_robust_list(0x7ff2a101e9a0, 24 [pid 8684] <... sendmsg resumed>) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8685] <... set_robust_list resumed>) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8685] rt_sigprocmask(SIG_SETMASK, [], [pid 8684] <... sendmsg resumed>) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8684] <... sendmsg resumed>) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8684] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8684] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8685] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8685] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8683] <... futex resumed>) = 0 [pid 8685] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8683] exit_group(0) = ? [pid 8684] <... futex resumed>) = ? [pid 8684] +++ exited with 0 +++ [pid 8685] <... futex resumed>) = ? [pid 8685] +++ exited with 0 +++ [pid 8683] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8683, si_uid=0, si_status=0, 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 8686 attached , child_tidptr=0x55556cb53690) = 8686 [pid 8686] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8686] setpgid(0, 0) = 0 [pid 8686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8686] write(3, "1000", 4) = 4 [pid 8686] close(3) = 0 [pid 8686] write(1, "executing program\n", 18executing program ) = 18 [pid 8686] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8686] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8686] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8687]}, 88) = 8687 ./strace-static-x86_64: Process 8687 attached [pid 8686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8687] set_robust_list(0x7ff2a103f9a0, 24 [pid 8686] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8686] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8687] <... set_robust_list resumed>) = 0 [pid 8687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8687] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8687] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8687] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8686] <... futex resumed>) = 0 [pid 8686] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8686] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8686] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8687] <... futex resumed>) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8686] <... clone3 resumed> => {parent_tid=[8688]}, 88) = 8688 [pid 8687] <... sendmsg resumed>) = 0 [pid 8686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8686] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8687] <... sendmsg resumed>) = 0 [pid 8686] <... futex resumed>) = 0 [pid 8686] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8687] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8687] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8688 attached [pid 8688] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8688] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8688] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8686] <... futex resumed>) = 0 [pid 8686] exit_group(0 [pid 8687] <... futex resumed>) = ? [pid 8686] <... exit_group resumed>) = ? [pid 8687] +++ exited with 0 +++ [pid 8688] <... futex resumed>) = ? [pid 8688] +++ exited with 0 +++ [pid 8686] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8689 ./strace-static-x86_64: Process 8689 attached [pid 8689] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8689] setpgid(0, 0) = 0 [pid 8689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8689] write(3, "1000", 4) = 4 [pid 8689] close(3) = 0 executing program [pid 8689] write(1, "executing program\n", 18) = 18 [pid 8689] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8689] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8689] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8689] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8690 attached => {parent_tid=[8690]}, 88) = 8690 [pid 8690] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8690] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8689] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8690] <... futex resumed>) = 0 [pid 8690] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8689] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8690] <... socketpair resumed>[3, 4]) = 0 [pid 8690] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8690] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8689] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8690] <... futex resumed>) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8689] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8690] <... sendmsg resumed>) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8689] <... futex resumed>) = 0 [pid 8689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8690] <... sendmsg resumed>) = 0 [pid 8689] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8689] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8690] <... sendmsg resumed>) = 0 [pid 8689] <... mprotect resumed>) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8689] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8690] <... sendmsg resumed>) = 0 [pid 8689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8689] <... clone3 resumed> => {parent_tid=[8691]}, 88) = 8691 [pid 8689] rt_sigprocmask(SIG_SETMASK, [], [pid 8690] <... sendmsg resumed>) = 0 [pid 8689] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 8691 attached [pid 8689] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8689] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8690] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8690] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8691] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8691] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8691] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8691] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8689] <... futex resumed>) = 0 [pid 8689] exit_group(0 [pid 8691] <... futex resumed>) = ? [pid 8690] <... futex resumed>) = ? [pid 8689] <... exit_group resumed>) = ? [pid 8690] +++ exited with 0 +++ [pid 8691] +++ exited with 0 +++ [pid 8689] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8692 ./strace-static-x86_64: Process 8692 attached [pid 8692] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8692] setpgid(0, 0) = 0 [pid 8692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8692] write(3, "1000", 4) = 4 [pid 8692] close(3) = 0 executing program [pid 8692] write(1, "executing program\n", 18) = 18 [pid 8692] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8692] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8692] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8692] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8693]}, 88) = 8693 ./strace-static-x86_64: Process 8693 attached [pid 8692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8692] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8692] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8693] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8693] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8693] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8692] <... futex resumed>) = 0 [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8693] <... sendmsg resumed>) = 0 [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8693] <... sendmsg resumed>) = 0 [pid 8692] <... futex resumed>) = 0 [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8693] <... sendmsg resumed>) = 0 [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8693] <... sendmsg resumed>) = 0 [pid 8692] <... mprotect resumed>) = 0 [pid 8692] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8693] <... sendmsg resumed>) = 0 [pid 8692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8693] 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 8694 attached [pid 8694] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8694] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8692] <... clone3 resumed> => {parent_tid=[8694]}, 88) = 8694 [pid 8693] <... sendmsg resumed>) = 0 [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] rt_sigprocmask(SIG_SETMASK, [], [pid 8693] <... sendmsg resumed>) = 0 [pid 8692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8693] <... sendmsg resumed>) = 0 [pid 8692] <... futex resumed>) = 1 [pid 8694] <... futex resumed>) = 0 [pid 8694] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8694] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8694] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8692] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8693] <... sendmsg resumed>) = 0 [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8693] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8693] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8692] exit_group(0) = ? [pid 8694] <... futex resumed>) = ? [pid 8694] +++ exited with 0 +++ [pid 8693] <... futex resumed>) = ? [pid 8693] +++ exited with 0 +++ [pid 8692] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8695 ./strace-static-x86_64: Process 8695 attached [pid 8695] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8695] setpgid(0, 0) = 0 [pid 8695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8695] write(3, "1000", 4) = 4 [pid 8695] close(3) = 0 [pid 8695] write(1, "executing program\n", 18executing program ) = 18 [pid 8695] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8695] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8695] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8696 attached => {parent_tid=[8696]}, 88) = 8696 [pid 8696] set_robust_list(0x7ff2a103f9a0, 24 [pid 8695] rt_sigprocmask(SIG_SETMASK, [], [pid 8696] <... set_robust_list resumed>) = 0 [pid 8695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8695] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8696] rt_sigprocmask(SIG_SETMASK, [], [pid 8695] <... futex resumed>) = 0 [pid 8696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8695] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8696] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8696] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8695] <... futex resumed>) = 0 [pid 8695] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8695] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8695] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8697]}, 88) = 8697 [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8695] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8695] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8697 attached [pid 8697] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8697] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8697] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8695] <... futex resumed>) = 0 [pid 8697] <... futex resumed>) = 1 [pid 8697] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8696] <... sendmsg resumed>) = 0 [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8696] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8696] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8695] exit_group(0 [pid 8696] <... futex resumed>) = ? [pid 8697] <... futex resumed>) = ? [pid 8695] <... exit_group resumed>) = ? [pid 8696] +++ exited with 0 +++ [pid 8697] +++ exited with 0 +++ [pid 8695] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8695, si_uid=0, si_status=0, 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 8698 attached , child_tidptr=0x55556cb53690) = 8698 [pid 8698] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8698] setpgid(0, 0) = 0 [pid 8698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8698] write(3, "1000", 4) = 4 [pid 8698] close(3) = 0 [pid 8698] write(1, "executing program\n", 18executing program ) = 18 [pid 8698] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8698] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8698] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8699 attached => {parent_tid=[8699]}, 88) = 8699 [pid 8699] set_robust_list(0x7ff2a103f9a0, 24 [pid 8698] rt_sigprocmask(SIG_SETMASK, [], [pid 8699] <... set_robust_list resumed>) = 0 [pid 8699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8699] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8698] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8699] <... futex resumed>) = 0 [pid 8699] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8699] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8699] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8698] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8698] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8699] <... futex resumed>) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8698] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8699] <... sendmsg resumed>) = 0 [pid 8698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8698] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8699] <... sendmsg resumed>) = 0 [pid 8698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8698] <... clone3 resumed> => {parent_tid=[8700]}, 88) = 8700 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8698] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8699] <... sendmsg resumed>) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8698] <... futex resumed>) = 0 [pid 8699] <... sendmsg resumed>) = 0 [pid 8698] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8699] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8699] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8700 attached [pid 8700] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8700] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8700] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8698] <... futex resumed>) = 0 [pid 8700] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8698] exit_group(0 [pid 8699] <... futex resumed>) = ? [pid 8698] <... exit_group resumed>) = ? [pid 8699] +++ exited with 0 +++ [pid 8700] <... futex resumed>) = ? [pid 8700] +++ exited with 0 +++ [pid 8698] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8701 ./strace-static-x86_64: Process 8701 attached [pid 8701] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8701] setpgid(0, 0) = 0 [pid 8701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8701] write(3, "1000", 4) = 4 [pid 8701] close(3executing program ) = 0 [pid 8701] write(1, "executing program\n", 18) = 18 [pid 8701] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8701] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8701] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8702]}, 88) = 8702 ./strace-static-x86_64: Process 8702 attached [pid 8701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8701] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8701] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8702] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8702] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8702] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8702] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8701] <... futex resumed>) = 0 [pid 8701] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8701] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8701] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8702] <... futex resumed>) = 0 [pid 8701] <... mprotect resumed>) = 0 [pid 8701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8703]}, 88) = 8703 ./strace-static-x86_64: Process 8703 attached [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8701] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8701] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8703] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8703] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8703] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8701] <... futex resumed>) = 0 [pid 8703] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8702] <... sendmsg resumed>) = 0 [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8702] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8702] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8701] exit_group(0 [pid 8703] <... futex resumed>) = ? [pid 8702] <... futex resumed>) = ? [pid 8701] <... exit_group resumed>) = ? [pid 8702] +++ exited with 0 +++ [pid 8703] +++ exited with 0 +++ [pid 8701] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8701, 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 8704 attached , child_tidptr=0x55556cb53690) = 8704 [pid 8704] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8704] setpgid(0, 0) = 0 [pid 8704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8704] write(3, "1000", 4) = 4 [pid 8704] close(3) = 0 [pid 8704] write(1, "executing program\n", 18executing program ) = 18 [pid 8704] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8704] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8704] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8705 attached => {parent_tid=[8705]}, 88) = 8705 [pid 8705] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8705] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8704] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8705] <... futex resumed>) = 0 [pid 8705] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8704] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8705] <... socketpair resumed>[3, 4]) = 0 [pid 8705] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8705] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8704] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8705] <... futex resumed>) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8704] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8704] <... futex resumed>) = 0 [pid 8705] <... sendmsg resumed>) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8705] <... sendmsg resumed>) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8705] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8705] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8704] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8704] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8706 attached [pid 8706] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8706] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8704] <... clone3 resumed> => {parent_tid=[8706]}, 88) = 8706 [pid 8704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8704] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8706] <... futex resumed>) = 0 [pid 8706] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8706] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8706] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8704] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8704] exit_group(0 [pid 8705] <... futex resumed>) = ? [pid 8704] <... exit_group resumed>) = ? [pid 8705] +++ exited with 0 +++ [pid 8706] <... futex resumed>) = ? [pid 8706] +++ exited with 0 +++ [pid 8704] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8707 ./strace-static-x86_64: Process 8707 attached [pid 8707] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8707] setpgid(0, 0) = 0 [pid 8707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8707] write(3, "1000", 4) = 4 [pid 8707] close(3) = 0 [pid 8707] write(1, "executing program\n", 18executing program ) = 18 [pid 8707] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8707] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8707] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8708 attached => {parent_tid=[8708]}, 88) = 8708 [pid 8708] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8708] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8707] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8708] <... futex resumed>) = 0 [pid 8707] <... futex resumed>) = 1 [pid 8708] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8707] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8708] <... socketpair resumed>[3, 4]) = 0 [pid 8708] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8707] <... futex resumed>) = 0 [pid 8707] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8707] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8707] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8709]}, 88) = 8709 [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8707] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8707] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8709 attached [pid 8709] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8709] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8709] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8707] <... futex resumed>) = 0 [pid 8709] <... futex resumed>) = 1 [pid 8708] <... sendmsg resumed>) = 0 [pid 8709] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8708] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8708] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8707] exit_group(0) = ? [pid 8708] <... futex resumed>) = ? [pid 8708] +++ exited with 0 +++ [pid 8709] <... futex resumed>) = ? [pid 8709] +++ exited with 0 +++ [pid 8707] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8707, si_uid=0, si_status=0, 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 8710 attached , child_tidptr=0x55556cb53690) = 8710 [pid 8710] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8710] setpgid(0, 0) = 0 [pid 8710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8710] write(3, "1000", 4) = 4 [pid 8710] close(3) = 0 [pid 8710] write(1, "executing program\n", 18executing program ) = 18 [pid 8710] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8710] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8710] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8710] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8711 attached => {parent_tid=[8711]}, 88) = 8711 [pid 8711] set_robust_list(0x7ff2a103f9a0, 24 [pid 8710] rt_sigprocmask(SIG_SETMASK, [], [pid 8711] <... set_robust_list resumed>) = 0 [pid 8710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8711] rt_sigprocmask(SIG_SETMASK, [], [pid 8710] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8710] <... futex resumed>) = 0 [pid 8711] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8710] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8711] <... socketpair resumed>[3, 4]) = 0 [pid 8711] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8710] <... futex resumed>) = 0 [pid 8711] <... futex resumed>) = 1 [pid 8710] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... futex resumed>) = 0 [pid 8711] <... sendmsg resumed>) = 0 [pid 8710] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... futex resumed>) = 0 [pid 8711] <... sendmsg resumed>) = 0 [pid 8710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8711] <... sendmsg resumed>) = 0 [pid 8710] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... mprotect resumed>) = 0 [pid 8711] <... sendmsg resumed>) = 0 [pid 8710] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8711] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8712 attached [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... clone3 resumed> => {parent_tid=[8712]}, 88) = 8712 [pid 8712] set_robust_list(0x7ff2a101e9a0, 24 [pid 8711] <... sendmsg resumed>) = 0 [pid 8710] rt_sigprocmask(SIG_SETMASK, [], [pid 8712] <... set_robust_list resumed>) = 0 [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8712] rt_sigprocmask(SIG_SETMASK, [], [pid 8711] <... sendmsg resumed>) = 0 [pid 8710] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... futex resumed>) = 0 [pid 8712] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8711] <... sendmsg resumed>) = 0 [pid 8710] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8712] <... setsockopt resumed>) = 0 [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8712] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8711] <... sendmsg resumed>) = 0 [pid 8712] <... futex resumed>) = 1 [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8710] <... futex resumed>) = 0 [pid 8712] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8711] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8711] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8711] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8710] exit_group(0 [pid 8712] <... futex resumed>) = ? [pid 8711] <... futex resumed>) = ? [pid 8710] <... exit_group resumed>) = ? [pid 8712] +++ exited with 0 +++ [pid 8711] +++ exited with 0 +++ [pid 8710] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8710, si_uid=0, si_status=0, 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 8713 attached , child_tidptr=0x55556cb53690) = 8713 [pid 8713] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8713] setpgid(0, 0) = 0 [pid 8713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8713] write(3, "1000", 4) = 4 [pid 8713] close(3) = 0 [pid 8713] write(1, "executing program\n", 18executing program ) = 18 [pid 8713] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8713] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8713] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8714 attached => {parent_tid=[8714]}, 88) = 8714 [pid 8714] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8714] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8713] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8714] <... futex resumed>) = 0 [pid 8714] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8713] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8714] <... socketpair resumed>[3, 4]) = 0 [pid 8714] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8714] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8713] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8714] <... futex resumed>) = 0 [pid 8713] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8713] <... futex resumed>) = 0 [pid 8714] <... sendmsg resumed>) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8713] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8713] <... mprotect resumed>) = 0 [pid 8714] <... sendmsg resumed>) = 0 [pid 8713] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8713] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8714] <... sendmsg resumed>) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8713] <... clone3 resumed> => {parent_tid=[8715]}, 88) = 8715 [pid 8713] rt_sigprocmask(SIG_SETMASK, [], [pid 8714] <... sendmsg resumed>) = 0 [pid 8713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8713] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8714] <... sendmsg resumed>) = 0 [pid 8713] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] 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 8715 attached ) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8715] set_robust_list(0x7ff2a101e9a0, 24 [pid 8714] <... sendmsg resumed>) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8715] <... set_robust_list resumed>) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8715] rt_sigprocmask(SIG_SETMASK, [], [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8714] <... sendmsg resumed>) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8715] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8714] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8714] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8715] <... setsockopt resumed>) = 0 [pid 8715] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8713] <... futex resumed>) = 0 [pid 8713] exit_group(0) = ? [pid 8715] +++ exited with 0 +++ [pid 8714] <... futex resumed>) = ? [pid 8714] +++ exited with 0 +++ [pid 8713] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8713, si_uid=0, si_status=0, 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 8716 attached , child_tidptr=0x55556cb53690) = 8716 [pid 8716] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8716] setpgid(0, 0) = 0 [pid 8716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8716] write(3, "1000", 4) = 4 [pid 8716] close(3) = 0 executing program [pid 8716] write(1, "executing program\n", 18) = 18 [pid 8716] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8716] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8716] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8717]}, 88) = 8717 [pid 8716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8716] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8716] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8717 attached [pid 8717] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8717] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8717] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8716] <... futex resumed>) = 0 [pid 8716] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8716] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8716] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8716] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8718]}, 88) = 8718 [pid 8716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8716] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8716] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8718 attached [pid 8718] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8718] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8718] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8716] <... futex resumed>) = 0 [pid 8718] <... futex resumed>) = 1 [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8718] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8717] <... sendmsg resumed>) = 0 [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8717] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8717] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8716] exit_group(0 [pid 8718] <... futex resumed>) = ? [pid 8717] <... futex resumed>) = ? [pid 8716] <... exit_group resumed>) = ? [pid 8717] +++ exited with 0 +++ [pid 8718] +++ exited with 0 +++ [pid 8716] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8719 ./strace-static-x86_64: Process 8719 attached [pid 8719] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8719] setpgid(0, 0) = 0 [pid 8719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8719] write(3, "1000", 4) = 4 [pid 8719] close(3) = 0 [pid 8719] write(1, "executing program\n", 18executing program ) = 18 [pid 8719] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8719] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8719] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8720 attached => {parent_tid=[8720]}, 88) = 8720 [pid 8720] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8720] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8720] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8719] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8719] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8720] <... futex resumed>) = 0 [pid 8720] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8720] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8720] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8719] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8719] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8720] <... futex resumed>) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8719] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8720] <... sendmsg resumed>) = 0 [pid 8719] <... futex resumed>) = 0 [pid 8719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8719] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8720] <... sendmsg resumed>) = 0 [pid 8719] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8719] <... mprotect resumed>) = 0 [pid 8720] <... sendmsg resumed>) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8719] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8720] <... sendmsg resumed>) = 0 [pid 8719] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8720] <... sendmsg resumed>) = 0 [pid 8720] 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 8721 attached [pid 8719] <... clone3 resumed> => {parent_tid=[8721]}, 88) = 8721 [pid 8721] set_robust_list(0x7ff2a101e9a0, 24 [pid 8720] <... sendmsg resumed>) = 0 [pid 8719] rt_sigprocmask(SIG_SETMASK, [], [pid 8721] <... set_robust_list resumed>) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8721] rt_sigprocmask(SIG_SETMASK, [], [pid 8720] <... sendmsg resumed>) = 0 [pid 8719] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8719] <... futex resumed>) = 0 [pid 8721] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8720] <... sendmsg resumed>) = 0 [pid 8719] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8721] <... setsockopt resumed>) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8721] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8720] <... sendmsg resumed>) = 0 [pid 8719] <... futex resumed>) = 0 [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8721] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8720] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8720] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8720] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8719] exit_group(0 [pid 8720] <... futex resumed>) = ? [pid 8719] <... exit_group resumed>) = ? [pid 8720] +++ exited with 0 +++ [pid 8721] <... futex resumed>) = ? [pid 8721] +++ exited with 0 +++ [pid 8719] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8722 ./strace-static-x86_64: Process 8722 attached [pid 8722] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8722] setpgid(0, 0) = 0 [pid 8722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8722] write(3, "1000", 4) = 4 [pid 8722] close(3) = 0 [pid 8722] write(1, "executing program\n", 18executing program ) = 18 [pid 8722] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8722] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8722] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8724 attached => {parent_tid=[8724]}, 88) = 8724 [pid 8724] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8724] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8722] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8724] <... futex resumed>) = 0 [pid 8724] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8722] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8724] <... socketpair resumed>[3, 4]) = 0 [pid 8724] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8724] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8722] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8724] <... futex resumed>) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8722] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8724] <... sendmsg resumed>) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8724] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8724] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8722] <... futex resumed>) = 0 [pid 8722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8722] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8725 attached => {parent_tid=[8725]}, 88) = 8725 [pid 8725] set_robust_list(0x7ff2a101e9a0, 24 [pid 8722] rt_sigprocmask(SIG_SETMASK, [], [pid 8725] <... set_robust_list resumed>) = 0 [pid 8722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8725] rt_sigprocmask(SIG_SETMASK, [], [pid 8722] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8722] <... futex resumed>) = 0 [pid 8725] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8722] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8725] <... setsockopt resumed>) = 0 [pid 8725] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8722] <... futex resumed>) = 0 [pid 8725] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8722] exit_group(0) = ? [pid 8724] <... futex resumed>) = ? [pid 8724] +++ exited with 0 +++ [pid 8725] <... futex resumed>) = ? [pid 8725] +++ exited with 0 +++ [pid 8722] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8726 ./strace-static-x86_64: Process 8726 attached [pid 8726] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8726] setpgid(0, 0) = 0 [pid 8726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8726] write(3, "1000", 4) = 4 [pid 8726] close(3) = 0 executing program [pid 8726] write(1, "executing program\n", 18) = 18 [pid 8726] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8726] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8726] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8726] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8727]}, 88) = 8727 [pid 8726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8726] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8726] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8727 attached [pid 8727] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8727] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8727] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8726] <... futex resumed>) = 0 [pid 8726] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8726] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8726] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8726] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8727] <... futex resumed>) = 1 ./strace-static-x86_64: Process 8728 attached [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8726] <... clone3 resumed> => {parent_tid=[8728]}, 88) = 8728 [pid 8726] rt_sigprocmask(SIG_SETMASK, [], [pid 8727] <... sendmsg resumed>) = 0 [pid 8726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8726] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8726] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8727] <... sendmsg resumed>) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8728] set_robust_list(0x7ff2a101e9a0, 24 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8728] <... set_robust_list resumed>) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8728] rt_sigprocmask(SIG_SETMASK, [], [pid 8727] <... sendmsg resumed>) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8728] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8727] <... sendmsg resumed>) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8728] <... setsockopt resumed>) = 0 [pid 8727] <... sendmsg resumed>) = 0 [pid 8728] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8728] <... futex resumed>) = 1 [pid 8726] <... futex resumed>) = 0 [pid 8727] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8728] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8727] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8727] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8727] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8726] exit_group(0) = ? [pid 8728] <... futex resumed>) = ? [pid 8728] +++ exited with 0 +++ [pid 8727] <... futex resumed>) = ? [pid 8727] +++ exited with 0 +++ [pid 8726] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8729 ./strace-static-x86_64: Process 8729 attached [pid 8729] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8729] setpgid(0, 0) = 0 [pid 8729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8729] write(3, "1000", 4) = 4 [pid 8729] close(3) = 0 [pid 8729] write(1, "executing program\n", 18executing program ) = 18 [pid 8729] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8729] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8729] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8730 attached => {parent_tid=[8730]}, 88) = 8730 [pid 8730] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8730] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8729] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8730] <... futex resumed>) = 0 [pid 8729] <... futex resumed>) = 1 [pid 8730] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8729] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8730] <... socketpair resumed>[3, 4]) = 0 [pid 8730] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8730] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8729] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8730] <... futex resumed>) = 0 [pid 8729] <... futex resumed>) = 1 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8729] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8730] <... sendmsg resumed>) = 0 [pid 8729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8729] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8729] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8730] <... sendmsg resumed>) = 0 [pid 8729] <... mprotect resumed>) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8730] <... sendmsg resumed>) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8729] <... clone3 resumed> => {parent_tid=[8731]}, 88) = 8731 [pid 8729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8730] <... sendmsg resumed>) = 0 [pid 8729] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8729] <... futex resumed>) = 0 [pid 8730] <... sendmsg resumed>) = 0 [pid 8729] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] 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 8731 attached ) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8731] set_robust_list(0x7ff2a101e9a0, 24 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8731] <... set_robust_list resumed>) = 0 [pid 8731] rt_sigprocmask(SIG_SETMASK, [], [pid 8730] <... sendmsg resumed>) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8731] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8731] <... setsockopt resumed>) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8730] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8731] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8730] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8730] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8730] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8731] <... futex resumed>) = 1 [pid 8729] <... futex resumed>) = 0 [pid 8729] exit_group(0) = ? [pid 8730] <... futex resumed>) = ? [pid 8731] +++ exited with 0 +++ [pid 8730] +++ exited with 0 +++ [pid 8729] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8729, 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=0x55556cb53690) = 8732 ./strace-static-x86_64: Process 8732 attached [pid 8732] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8732] setpgid(0, 0) = 0 [pid 8732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8732] write(3, "1000", 4executing program ) = 4 [pid 8732] close(3) = 0 [pid 8732] write(1, "executing program\n", 18) = 18 [pid 8732] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8732] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8732] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8733 attached => {parent_tid=[8733]}, 88) = 8733 [pid 8733] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8733] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8732] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8733] <... futex resumed>) = 0 [pid 8733] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8733] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8733] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8732] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8733] <... futex resumed>) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8732] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8732] <... futex resumed>) = 0 [pid 8732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8733] <... sendmsg resumed>) = 0 [pid 8732] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8732] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8733] <... sendmsg resumed>) = 0 [pid 8732] <... mprotect resumed>) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8733] <... sendmsg resumed>) = 0 [pid 8732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8732] <... clone3 resumed> => {parent_tid=[8734]}, 88) = 8734 [pid 8732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8733] <... sendmsg resumed>) = 0 [pid 8732] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8732] <... futex resumed>) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8732] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8733] <... sendmsg resumed>) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8733] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8733] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8734 attached [pid 8734] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8734] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8734] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8732] <... futex resumed>) = 0 [pid 8734] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8732] exit_group(0) = ? [pid 8733] <... futex resumed>) = ? [pid 8733] +++ exited with 0 +++ [pid 8734] <... futex resumed>) = ? [pid 8734] +++ exited with 0 +++ [pid 8732] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8735 ./strace-static-x86_64: Process 8735 attached [pid 8735] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8735] setpgid(0, 0) = 0 [pid 8735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8735] write(3, "1000", 4) = 4 [pid 8735] close(3) = 0 [pid 8735] write(1, "executing program\n", 18executing program ) = 18 [pid 8735] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8735] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8735] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8736]}, 88) = 8736 [pid 8735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8735] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8735] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8736 attached [pid 8736] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8736] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8736] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8735] <... futex resumed>) = 0 [pid 8735] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8735] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8735] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8735] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8737]}, 88) = 8737 ./strace-static-x86_64: Process 8737 attached [pid 8736] <... futex resumed>) = 1 [pid 8735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8735] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8735] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8737] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8737] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8737] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8735] <... futex resumed>) = 0 [pid 8737] <... futex resumed>) = 1 [pid 8737] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8736] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8736] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8735] exit_group(0 [pid 8737] <... futex resumed>) = ? [pid 8736] <... futex resumed>) = ? [pid 8735] <... exit_group resumed>) = ? [pid 8736] +++ exited with 0 +++ [pid 8737] +++ exited with 0 +++ [pid 8735] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8738 ./strace-static-x86_64: Process 8738 attached [pid 8738] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8738] setpgid(0, 0) = 0 [pid 8738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8738] write(3, "1000", 4) = 4 executing program [pid 8738] close(3) = 0 [pid 8738] write(1, "executing program\n", 18) = 18 [pid 8738] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8738] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8738] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8739 attached => {parent_tid=[8739]}, 88) = 8739 [pid 8739] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8739] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8738] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8739] <... futex resumed>) = 0 [pid 8738] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8739] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8739] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8738] <... futex resumed>) = 0 [pid 8738] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8738] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8738] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8738] <... clone3 resumed> => {parent_tid=[8740]}, 88) = 8740 [pid 8738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8739] <... sendmsg resumed>) = 0 [pid 8738] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8738] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8740 attached [pid 8740] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8740] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8740] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8738] <... futex resumed>) = 0 [pid 8740] <... futex resumed>) = 1 [pid 8740] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8739] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8739] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8738] exit_group(0 [pid 8739] <... futex resumed>) = ? [pid 8738] <... exit_group resumed>) = ? [pid 8739] +++ exited with 0 +++ [pid 8740] <... futex resumed>) = ? [pid 8740] +++ exited with 0 +++ [pid 8738] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8738, si_uid=0, si_status=0, 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 8741 attached , child_tidptr=0x55556cb53690) = 8741 [pid 8741] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8741] setpgid(0, 0) = 0 [pid 8741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8741] write(3, "1000", 4) = 4 [pid 8741] close(3) = 0 [pid 8741] write(1, "executing program\n", 18executing program ) = 18 [pid 8741] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8741] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8741] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8742 attached => {parent_tid=[8742]}, 88) = 8742 [pid 8742] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8742] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8742] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8741] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8742] <... futex resumed>) = 0 [pid 8741] <... futex resumed>) = 1 [pid 8742] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8741] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8742] <... socketpair resumed>[3, 4]) = 0 [pid 8742] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8742] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8741] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8742] <... futex resumed>) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8741] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8742] <... sendmsg resumed>) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8741] <... futex resumed>) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8742] <... sendmsg resumed>) = 0 [pid 8741] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8741] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8742] <... sendmsg resumed>) = 0 [pid 8741] <... mprotect resumed>) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8742] <... sendmsg resumed>) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8741] <... clone3 resumed> => {parent_tid=[8743]}, 88) = 8743 [pid 8742] <... sendmsg resumed>) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8741] rt_sigprocmask(SIG_SETMASK, [], [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8741] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8742] <... sendmsg resumed>) = 0 [pid 8741] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] 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 8743 attached ) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8743] set_robust_list(0x7ff2a101e9a0, 24 [pid 8742] <... sendmsg resumed>) = 0 [pid 8742] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8742] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8742] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8743] <... set_robust_list resumed>) = 0 [pid 8743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8743] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8743] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8741] <... futex resumed>) = 0 [pid 8741] exit_group(0) = ? [pid 8742] <... futex resumed>) = ? [pid 8742] +++ exited with 0 +++ [pid 8743] +++ exited with 0 +++ [pid 8741] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8744 ./strace-static-x86_64: Process 8744 attached [pid 8744] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8744] setpgid(0, 0) = 0 [pid 8744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8744] write(3, "1000", 4) = 4 [pid 8744] close(3) = 0 [pid 8744] write(1, "executing program\n", 18executing program ) = 18 [pid 8744] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8744] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8744] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8744] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8745 attached [pid 8745] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8745] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8744] <... clone3 resumed> => {parent_tid=[8745]}, 88) = 8745 [pid 8744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8744] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8745] <... futex resumed>) = 0 [pid 8745] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8744] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8745] <... socketpair resumed>[3, 4]) = 0 [pid 8745] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8745] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8744] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8745] <... futex resumed>) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8744] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8744] <... futex resumed>) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8745] <... sendmsg resumed>) = 0 [pid 8744] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8744] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8745] <... sendmsg resumed>) = 0 [pid 8744] <... mprotect resumed>) = 0 [pid 8744] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8744] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8745] <... sendmsg resumed>) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8744] <... clone3 resumed> => {parent_tid=[8746]}, 88) = 8746 [pid 8744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8745] <... sendmsg resumed>) = 0 [pid 8744] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8744] <... futex resumed>) = 0 [pid 8745] <... sendmsg resumed>) = 0 [pid 8744] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] 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 8746 attached ) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8746] set_robust_list(0x7ff2a101e9a0, 24 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8746] <... set_robust_list resumed>) = 0 [pid 8745] <... sendmsg resumed>) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8746] rt_sigprocmask(SIG_SETMASK, [], [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8745] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8746] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8745] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8746] <... setsockopt resumed>) = 0 [pid 8746] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8744] <... futex resumed>) = 0 [pid 8744] exit_group(0) = ? [pid 8746] +++ exited with 0 +++ [pid 8745] <... futex resumed>) = ? [pid 8745] +++ exited with 0 +++ [pid 8744] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8747 ./strace-static-x86_64: Process 8747 attached [pid 8747] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8747] setpgid(0, 0) = 0 [pid 8747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8747] write(3, "1000", 4) = 4 [pid 8747] close(3) = 0 [pid 8747] write(1, "executing program\n", 18executing program ) = 18 [pid 8747] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8747] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8747] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8748 attached => {parent_tid=[8748]}, 88) = 8748 [pid 8748] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8748] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8747] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8748] <... futex resumed>) = 0 [pid 8748] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8747] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8748] <... socketpair resumed>[3, 4]) = 0 [pid 8748] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8748] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8747] <... futex resumed>) = 0 [pid 8747] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8748] <... futex resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8747] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8748] <... sendmsg resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8747] <... futex resumed>) = 0 [pid 8748] <... sendmsg resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8748] <... sendmsg resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8747] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8748] <... sendmsg resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8747] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8747] <... mprotect resumed>) = 0 [pid 8748] <... sendmsg resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8748] <... sendmsg resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8748] <... sendmsg resumed>) = 0 [pid 8748] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8748] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8748] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8749 attached [pid 8747] <... clone3 resumed> => {parent_tid=[8749]}, 88) = 8749 [pid 8749] set_robust_list(0x7ff2a101e9a0, 24 [pid 8747] rt_sigprocmask(SIG_SETMASK, [], [pid 8749] <... set_robust_list resumed>) = 0 [pid 8747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8749] rt_sigprocmask(SIG_SETMASK, [], [pid 8747] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8747] <... futex resumed>) = 0 [pid 8749] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8747] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8749] <... setsockopt resumed>) = 0 [pid 8749] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8747] <... futex resumed>) = 0 [pid 8747] exit_group(0) = ? [pid 8749] +++ exited with 0 +++ [pid 8748] <... futex resumed>) = ? [pid 8748] +++ exited with 0 +++ [pid 8747] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8750 ./strace-static-x86_64: Process 8750 attached [pid 8750] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8750] setpgid(0, 0) = 0 [pid 8750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8750] write(3, "1000", 4) = 4 [pid 8750] close(3) = 0 [pid 8750] write(1, "executing program\n", 18executing program ) = 18 [pid 8750] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8750] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8750] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8751 attached => {parent_tid=[8751]}, 88) = 8751 [pid 8751] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8751] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8751] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8750] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8751] <... futex resumed>) = 0 [pid 8751] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8751] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8751] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8750] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8750] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8751] <... futex resumed>) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8750] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8751] <... sendmsg resumed>) = 0 [pid 8750] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8750] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8751] <... sendmsg resumed>) = 0 [pid 8750] <... mprotect resumed>) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8752 attached [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8750] <... clone3 resumed> => {parent_tid=[8752]}, 88) = 8752 [pid 8751] <... sendmsg resumed>) = 0 [pid 8750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8750] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8751] <... sendmsg resumed>) = 0 [pid 8750] <... futex resumed>) = 0 [pid 8750] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8752] set_robust_list(0x7ff2a101e9a0, 24 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8751] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8751] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8752] <... set_robust_list resumed>) = 0 [pid 8752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8752] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8752] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8750] <... futex resumed>) = 0 [pid 8750] exit_group(0) = ? [pid 8751] <... futex resumed>) = ? [pid 8752] +++ exited with 0 +++ [pid 8751] +++ exited with 0 +++ [pid 8750] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8750, si_uid=0, si_status=0, 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 8753 attached , child_tidptr=0x55556cb53690) = 8753 [pid 8753] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8753] setpgid(0, 0) = 0 [pid 8753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8753] write(3, "1000", 4) = 4 [pid 8753] close(3) = 0 executing program [pid 8753] write(1, "executing program\n", 18) = 18 [pid 8753] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8753] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8753] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8754 attached => {parent_tid=[8754]}, 88) = 8754 [pid 8754] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8754] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8753] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8754] <... futex resumed>) = 0 [pid 8753] <... futex resumed>) = 1 [pid 8754] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8753] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8754] <... socketpair resumed>[3, 4]) = 0 [pid 8754] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8754] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8753] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8754] <... futex resumed>) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8753] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8753] <... futex resumed>) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8754] <... sendmsg resumed>) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8753] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8753] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8754] <... sendmsg resumed>) = 0 [pid 8753] <... mprotect resumed>) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8753] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8753] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8754] <... sendmsg resumed>) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8753] <... clone3 resumed> => {parent_tid=[8755]}, 88) = 8755 [pid 8753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8754] <... sendmsg resumed>) = 0 [pid 8753] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8753] <... futex resumed>) = 0 [pid 8754] <... sendmsg resumed>) = 0 [pid 8753] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8754] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8754] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8755 attached [pid 8755] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8755] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8755] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8755] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8753] <... futex resumed>) = 0 [pid 8753] exit_group(0) = ? [pid 8754] <... futex resumed>) = ? [pid 8754] +++ exited with 0 +++ [pid 8755] <... futex resumed>) = ? [pid 8755] +++ exited with 0 +++ [pid 8753] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8753, si_uid=0, si_status=0, 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 8756 attached , child_tidptr=0x55556cb53690) = 8756 [pid 8756] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8756] setpgid(0, 0) = 0 [pid 8756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8756] write(3, "1000", 4) = 4 [pid 8756] close(3) = 0 executing program [pid 8756] write(1, "executing program\n", 18) = 18 [pid 8756] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8756] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8756] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8757]}, 88) = 8757 [pid 8756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8756] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8756] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8757 attached [pid 8757] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8757] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8757] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8756] <... futex resumed>) = 0 [pid 8756] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8756] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8756] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8756] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8758]}, 88) = 8758 [pid 8756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8756] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8756] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8757] <... futex resumed>) = 1 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] 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 8758 attached [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8758] set_robust_list(0x7ff2a101e9a0, 24 [pid 8757] <... sendmsg resumed>) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8757] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8757] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8758] <... set_robust_list resumed>) = 0 [pid 8758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8758] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8758] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8756] <... futex resumed>) = 0 [pid 8756] exit_group(0) = ? [pid 8758] <... futex resumed>) = 231 [pid 8757] <... futex resumed>) = ? [pid 8757] +++ exited with 0 +++ [pid 8758] +++ exited with 0 +++ [pid 8756] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8759 ./strace-static-x86_64: Process 8759 attached [pid 8759] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8759] setpgid(0, 0) = 0 [pid 8759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8759] write(3, "1000", 4) = 4 [pid 8759] close(3) = 0 [pid 8759] write(1, "executing program\n", 18executing program ) = 18 [pid 8759] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8759] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8759] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8760 attached => {parent_tid=[8760]}, 88) = 8760 [pid 8760] set_robust_list(0x7ff2a103f9a0, 24 [pid 8759] rt_sigprocmask(SIG_SETMASK, [], [pid 8760] <... set_robust_list resumed>) = 0 [pid 8759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8760] rt_sigprocmask(SIG_SETMASK, [], [pid 8759] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8759] <... futex resumed>) = 0 [pid 8760] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8759] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8760] <... socketpair resumed>[3, 4]) = 0 [pid 8760] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8759] <... futex resumed>) = 0 [pid 8759] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8759] <... futex resumed>) = 0 [pid 8760] <... sendmsg resumed>) = 0 [pid 8759] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8759] <... futex resumed>) = 0 [pid 8760] <... sendmsg resumed>) = 0 [pid 8759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8759] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8760] <... sendmsg resumed>) = 0 [pid 8759] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8759] <... mprotect resumed>) = 0 [pid 8760] <... sendmsg resumed>) = 0 [pid 8759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8760] <... sendmsg resumed>) = 0 [pid 8760] 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 8761 attached [pid 8759] <... clone3 resumed> => {parent_tid=[8761]}, 88) = 8761 [pid 8761] set_robust_list(0x7ff2a101e9a0, 24 [pid 8760] <... sendmsg resumed>) = 0 [pid 8759] rt_sigprocmask(SIG_SETMASK, [], [pid 8761] <... set_robust_list resumed>) = 0 [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8761] rt_sigprocmask(SIG_SETMASK, [], [pid 8760] <... sendmsg resumed>) = 0 [pid 8759] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8761] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8759] <... futex resumed>) = 0 [pid 8761] <... setsockopt resumed>) = 0 [pid 8760] <... sendmsg resumed>) = 0 [pid 8759] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8761] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8761] <... futex resumed>) = 0 [pid 8759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8761] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8760] <... sendmsg resumed>) = 0 [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8760] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8760] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8759] exit_group(0 [pid 8760] <... futex resumed>) = ? [pid 8761] <... futex resumed>) = ? [pid 8759] <... exit_group resumed>) = ? [pid 8760] +++ exited with 0 +++ [pid 8761] +++ exited with 0 +++ [pid 8759] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8759, si_uid=0, si_status=0, 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 8762 attached , child_tidptr=0x55556cb53690) = 8762 [pid 8762] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8762] setpgid(0, 0) = 0 [pid 8762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8762] write(3, "1000", 4) = 4 [pid 8762] close(3) = 0 [pid 8762] write(1, "executing program\n", 18executing program ) = 18 [pid 8762] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8762] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8762] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8763 attached => {parent_tid=[8763]}, 88) = 8763 [pid 8763] set_robust_list(0x7ff2a103f9a0, 24 [pid 8762] rt_sigprocmask(SIG_SETMASK, [], [pid 8763] <... set_robust_list resumed>) = 0 [pid 8763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8763] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8762] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8763] <... futex resumed>) = 0 [pid 8763] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8762] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8763] <... socketpair resumed>[3, 4]) = 0 [pid 8763] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8763] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8762] <... futex resumed>) = 0 [pid 8762] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8763] <... futex resumed>) = 0 [pid 8762] <... futex resumed>) = 1 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8762] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8763] <... sendmsg resumed>) = 0 [pid 8762] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8762] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8763] <... sendmsg resumed>) = 0 [pid 8762] <... mprotect resumed>) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8763] <... sendmsg resumed>) = 0 [pid 8762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8763] <... sendmsg resumed>) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8762] <... clone3 resumed> => {parent_tid=[8764]}, 88) = 8764 [pid 8762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8762] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8763] <... sendmsg resumed>) = 0 [pid 8762] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] 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 8764 attached ) = 0 [pid 8764] set_robust_list(0x7ff2a101e9a0, 24 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8764] <... set_robust_list resumed>) = 0 [pid 8763] <... sendmsg resumed>) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8764] rt_sigprocmask(SIG_SETMASK, [], [pid 8763] <... sendmsg resumed>) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8764] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8764] <... setsockopt resumed>) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8763] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8763] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8763] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8764] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8762] <... futex resumed>) = 0 [pid 8764] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8762] exit_group(0 [pid 8764] <... futex resumed>) = 231 [pid 8762] <... exit_group resumed>) = ? [pid 8763] <... futex resumed>) = ? [pid 8763] +++ exited with 0 +++ [pid 8764] +++ exited with 0 +++ [pid 8762] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8765 ./strace-static-x86_64: Process 8765 attached [pid 8765] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8765] setpgid(0, 0) = 0 [pid 8765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8765] write(3, "1000", 4) = 4 [pid 8765] close(3) = 0 executing program [pid 8765] write(1, "executing program\n", 18) = 18 [pid 8765] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8765] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8765] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8766 attached => {parent_tid=[8766]}, 88) = 8766 [pid 8766] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8766] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8765] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8766] <... futex resumed>) = 0 [pid 8766] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8766] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8766] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8765] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8765] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8766] <... futex resumed>) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8765] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8766] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8766] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8765] <... futex resumed>) = 0 [pid 8765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8765] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8767 attached => {parent_tid=[8767]}, 88) = 8767 [pid 8767] set_robust_list(0x7ff2a101e9a0, 24 [pid 8765] rt_sigprocmask(SIG_SETMASK, [], [pid 8767] <... set_robust_list resumed>) = 0 [pid 8765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8767] rt_sigprocmask(SIG_SETMASK, [], [pid 8765] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8765] <... futex resumed>) = 0 [pid 8767] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8765] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8767] <... setsockopt resumed>) = 0 [pid 8767] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8765] <... futex resumed>) = 0 [pid 8767] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8765] exit_group(0) = ? [pid 8766] <... futex resumed>) = ? [pid 8766] +++ exited with 0 +++ [pid 8767] <... futex resumed>) = ? [pid 8767] +++ exited with 0 +++ [pid 8765] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8765, 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 8768 attached , child_tidptr=0x55556cb53690) = 8768 [pid 8768] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8768] setpgid(0, 0) = 0 [pid 8768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8768] write(3, "1000", 4) = 4 [pid 8768] close(3) = 0 [pid 8768] write(1, "executing program\n", 18) = 18 [pid 8768] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 8768] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8768] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8769]}, 88) = 8769 [pid 8768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8768] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8768] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8769 attached [pid 8769] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8769] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8769] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8768] <... futex resumed>) = 0 [pid 8768] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8768] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8768] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8770 attached => {parent_tid=[8770]}, 88) = 8770 [pid 8770] set_robust_list(0x7ff2a101e9a0, 24 [pid 8768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8770] <... set_robust_list resumed>) = 0 [pid 8768] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8770] rt_sigprocmask(SIG_SETMASK, [], [pid 8768] <... futex resumed>) = 0 [pid 8770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8768] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8770] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8770] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8768] <... futex resumed>) = 0 [pid 8770] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8769] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8769] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8768] exit_group(0 [pid 8769] <... futex resumed>) = ? [pid 8768] <... exit_group resumed>) = ? [pid 8770] <... futex resumed>) = ? [pid 8769] +++ exited with 0 +++ [pid 8770] +++ exited with 0 +++ [pid 8768] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8771 ./strace-static-x86_64: Process 8771 attached [pid 8771] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8771] setpgid(0, 0) = 0 [pid 8771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8771] write(3, "1000", 4) = 4 [pid 8771] close(3) = 0 [pid 8771] write(1, "executing program\n", 18executing program ) = 18 [pid 8771] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8771] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8771] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8772 attached => {parent_tid=[8772]}, 88) = 8772 [pid 8772] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8772] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8771] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8772] <... futex resumed>) = 0 [pid 8772] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8772] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8772] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8771] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8771] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8772] <... futex resumed>) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8771] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8771] <... futex resumed>) = 0 [pid 8772] <... sendmsg resumed>) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8772] <... sendmsg resumed>) = 0 [pid 8771] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8771] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8772] <... sendmsg resumed>) = 0 [pid 8771] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8771] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8772] <... sendmsg resumed>) = 0 [pid 8772] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8772] <... sendmsg resumed>) = 0 [pid 8772] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8771] <... clone3 resumed> => {parent_tid=[8773]}, 88) = 8773 [pid 8772] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8771] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8771] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8773 attached [pid 8773] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8773] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8773] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8771] <... futex resumed>) = 0 [pid 8771] exit_group(0) = ? [pid 8772] <... futex resumed>) = ? [pid 8772] +++ exited with 0 +++ [pid 8773] +++ exited with 0 +++ [pid 8771] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8771, si_uid=0, si_status=0, 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 8774 attached , child_tidptr=0x55556cb53690) = 8774 [pid 8774] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8774] setpgid(0, 0) = 0 [pid 8774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8774] write(3, "1000", 4) = 4 [pid 8774] close(3) = 0 [pid 8774] write(1, "executing program\n", 18executing program ) = 18 [pid 8774] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8774] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8774] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8775 attached => {parent_tid=[8775]}, 88) = 8775 [pid 8775] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8775] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8774] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8775] <... futex resumed>) = 0 [pid 8775] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8774] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8775] <... socketpair resumed>[3, 4]) = 0 [pid 8775] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8774] <... futex resumed>) = 0 [pid 8774] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8774] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8774] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8774] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8776]}, 88) = 8776 [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8774] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8774] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8776 attached [pid 8776] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8776] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8776] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8774] <... futex resumed>) = 0 [pid 8776] <... futex resumed>) = 1 [pid 8776] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8775] <... sendmsg resumed>) = 0 [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8775] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8775] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8774] exit_group(0 [pid 8775] <... futex resumed>) = ? [pid 8774] <... exit_group resumed>) = ? [pid 8775] +++ exited with 0 +++ [pid 8776] <... futex resumed>) = ? [pid 8776] +++ exited with 0 +++ [pid 8774] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8777 ./strace-static-x86_64: Process 8777 attached [pid 8777] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8777] setpgid(0, 0) = 0 [pid 8777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8777] write(3, "1000", 4) = 4 [pid 8777] close(3) = 0 executing program [pid 8777] write(1, "executing program\n", 18) = 18 [pid 8777] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8777] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8777] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8778 attached => {parent_tid=[8778]}, 88) = 8778 [pid 8778] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8778] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8777] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8778] <... futex resumed>) = 0 [pid 8777] <... futex resumed>) = 1 [pid 8778] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8777] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8778] <... socketpair resumed>[3, 4]) = 0 [pid 8778] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8778] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8777] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8778] <... futex resumed>) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8777] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8778] <... sendmsg resumed>) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8777] <... futex resumed>) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8777] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8778] <... sendmsg resumed>) = 0 [pid 8777] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8778] <... sendmsg resumed>) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8777] <... clone3 resumed> => {parent_tid=[8779]}, 88) = 8779 [pid 8777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8778] <... sendmsg resumed>) = 0 [pid 8777] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8777] <... futex resumed>) = 0 [pid 8778] <... sendmsg resumed>) = 0 [pid 8777] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] 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 8779 attached [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8778] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8778] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8779] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8779] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8779] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8777] <... futex resumed>) = 0 [pid 8779] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8777] exit_group(0) = ? [pid 8778] <... futex resumed>) = ? [pid 8778] +++ exited with 0 +++ [pid 8779] <... futex resumed>) = ? [pid 8779] +++ exited with 0 +++ [pid 8777] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8780 ./strace-static-x86_64: Process 8780 attached [pid 8780] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8780] setpgid(0, 0) = 0 [pid 8780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8780] write(3, "1000", 4) = 4 [pid 8780] close(3) = 0 [pid 8780] write(1, "executing program\n", 18executing program ) = 18 [pid 8780] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8780] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8780] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8780] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8781 attached => {parent_tid=[8781]}, 88) = 8781 [pid 8781] set_robust_list(0x7ff2a103f9a0, 24 [pid 8780] rt_sigprocmask(SIG_SETMASK, [], [pid 8781] <... set_robust_list resumed>) = 0 [pid 8781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8781] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8780] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8781] <... futex resumed>) = 0 [pid 8781] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8781] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8781] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8780] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8780] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8781] <... futex resumed>) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8780] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8780] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8780] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8781] <... sendmsg resumed>) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8780] <... clone3 resumed> => {parent_tid=[8782]}, 88) = 8782 [pid 8780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8781] <... sendmsg resumed>) = 0 [pid 8780] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8780] <... futex resumed>) = 0 [pid 8780] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8781] <... sendmsg resumed>) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] 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 8782 attached [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8782] set_robust_list(0x7ff2a101e9a0, 24 [pid 8781] <... sendmsg resumed>) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8781] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8781] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8782] <... set_robust_list resumed>) = 0 [pid 8782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8782] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8782] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8780] <... futex resumed>) = 0 [pid 8780] exit_group(0) = ? [pid 8781] <... futex resumed>) = ? [pid 8781] +++ exited with 0 +++ [pid 8782] +++ exited with 0 +++ [pid 8780] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8783 ./strace-static-x86_64: Process 8783 attached [pid 8783] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8783] setpgid(0, 0) = 0 [pid 8783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8783] write(3, "1000", 4) = 4 [pid 8783] close(3) = 0 [pid 8783] write(1, "executing program\n", 18executing program ) = 18 [pid 8783] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8783] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8783] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8783] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8784 attached => {parent_tid=[8784]}, 88) = 8784 [pid 8784] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8784] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8783] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8784] <... futex resumed>) = 0 [pid 8784] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8783] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8784] <... socketpair resumed>[3, 4]) = 0 [pid 8784] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8783] <... futex resumed>) = 0 [pid 8783] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8783] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8783] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8783] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8783] <... clone3 resumed> => {parent_tid=[8785]}, 88) = 8785 [pid 8783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8783] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8783] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8785 attached [pid 8785] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8785] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8785] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8783] <... futex resumed>) = 0 [pid 8785] <... futex resumed>) = 1 [pid 8785] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8784] <... sendmsg resumed>) = 0 [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8784] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8784] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8783] exit_group(0 [pid 8784] <... futex resumed>) = ? [pid 8785] <... futex resumed>) = ? [pid 8783] <... exit_group resumed>) = ? [pid 8784] +++ exited with 0 +++ [pid 8785] +++ exited with 0 +++ [pid 8783] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8783, si_uid=0, si_status=0, 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 8786 attached , child_tidptr=0x55556cb53690) = 8786 [pid 8786] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8786] setpgid(0, 0) = 0 [pid 8786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8786] write(3, "1000", 4) = 4 [pid 8786] close(3) = 0 executing program [pid 8786] write(1, "executing program\n", 18) = 18 [pid 8786] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8786] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8786] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8787 attached [pid 8787] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8787] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8787] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8786] <... clone3 resumed> => {parent_tid=[8787]}, 88) = 8787 [pid 8786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8786] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8787] <... futex resumed>) = 0 [pid 8786] <... futex resumed>) = 1 [pid 8787] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8786] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8787] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8786] <... futex resumed>) = 0 [pid 8787] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8786] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8786] <... futex resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8786] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8787] <... sendmsg resumed>) = 0 [pid 8786] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8786] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8787] <... sendmsg resumed>) = 0 [pid 8786] <... mprotect resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8787] <... sendmsg resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8786] <... clone3 resumed> => {parent_tid=[8788]}, 88) = 8788 [pid 8786] rt_sigprocmask(SIG_SETMASK, [], [pid 8787] <... sendmsg resumed>) = 0 [pid 8786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8786] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8787] <... sendmsg resumed>) = 0 [pid 8786] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] 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 8788 attached ) = 0 [pid 8788] set_robust_list(0x7ff2a101e9a0, 24 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8788] <... set_robust_list resumed>) = 0 [pid 8787] <... sendmsg resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8788] rt_sigprocmask(SIG_SETMASK, [], [pid 8787] <... sendmsg resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8787] <... sendmsg resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8788] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8787] <... sendmsg resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8788] <... setsockopt resumed>) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8787] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8787] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8787] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8788] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8786] <... futex resumed>) = 0 [pid 8788] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8786] exit_group(0) = ? [pid 8787] <... futex resumed>) = ? [pid 8787] +++ exited with 0 +++ [pid 8788] <... futex resumed>) = ? [pid 8788] +++ exited with 0 +++ [pid 8786] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8786, si_uid=0, si_status=0, 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 8789 attached , child_tidptr=0x55556cb53690) = 8789 [pid 8789] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8789] setpgid(0, 0) = 0 [pid 8789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8789] write(3, "1000", 4) = 4 [pid 8789] close(3) = 0 [pid 8789] write(1, "executing program\n", 18executing program ) = 18 [pid 8789] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8789] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8789] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8790 attached => {parent_tid=[8790]}, 88) = 8790 [pid 8790] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8790] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8789] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8790] <... futex resumed>) = 0 [pid 8790] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8790] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8790] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8789] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8789] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8790] <... futex resumed>) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8789] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8790] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8789] <... futex resumed>) = 0 [pid 8790] <... sendmsg resumed>) = 0 [pid 8790] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8790] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8789] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8789] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8791 attached [pid 8791] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8791] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8789] <... clone3 resumed> => {parent_tid=[8791]}, 88) = 8791 [pid 8789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8789] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8791] <... futex resumed>) = 0 [pid 8791] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8791] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8791] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8789] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8789] exit_group(0 [pid 8790] <... futex resumed>) = ? [pid 8790] +++ exited with 0 +++ [pid 8789] <... exit_group resumed>) = ? [pid 8791] <... futex resumed>) = ? [pid 8791] +++ exited with 0 +++ [pid 8789] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8792 ./strace-static-x86_64: Process 8792 attached [pid 8792] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8792] setpgid(0, 0) = 0 [pid 8792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8792] write(3, "1000", 4) = 4 [pid 8792] close(3) = 0 [pid 8792] write(1, "executing program\n", 18executing program ) = 18 [pid 8792] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8792] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8792] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8793 attached => {parent_tid=[8793]}, 88) = 8793 [pid 8793] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8793] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8792] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8793] <... futex resumed>) = 0 [pid 8793] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8792] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8793] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8793] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8792] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8793] <... futex resumed>) = 0 [pid 8792] <... futex resumed>) = 1 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8792] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8793] <... sendmsg resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8792] <... futex resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8793] <... sendmsg resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8792] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8793] <... sendmsg resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8792] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8793] <... sendmsg resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8792] <... mprotect resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8793] <... sendmsg resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8793] <... sendmsg resumed>) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] 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 8794 attached ) = 0 [pid 8792] <... clone3 resumed> => {parent_tid=[8794]}, 88) = 8794 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8793] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8794] set_robust_list(0x7ff2a101e9a0, 24 [pid 8792] rt_sigprocmask(SIG_SETMASK, [], [pid 8793] <... futex resumed>) = 0 [pid 8793] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8794] <... set_robust_list resumed>) = 0 [pid 8792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8794] rt_sigprocmask(SIG_SETMASK, [], [pid 8792] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8792] <... futex resumed>) = 0 [pid 8792] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8794] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8794] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8792] <... futex resumed>) = 0 [pid 8792] exit_group(0) = ? [pid 8793] <... futex resumed>) = ? [pid 8793] +++ exited with 0 +++ [pid 8794] +++ exited with 0 +++ [pid 8792] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8795 ./strace-static-x86_64: Process 8795 attached [pid 8795] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8795] setpgid(0, 0) = 0 [pid 8795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8795] write(3, "1000", 4) = 4 [pid 8795] close(3) = 0 [pid 8795] write(1, "executing program\n", 18executing program ) = 18 [pid 8795] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8795] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8795] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8796]}, 88) = 8796 [pid 8795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8795] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8795] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8796 attached [pid 8796] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8796] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8796] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8796] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8795] <... futex resumed>) = 0 [pid 8795] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8795] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8795] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8797 attached => {parent_tid=[8797]}, 88) = 8797 [pid 8797] set_robust_list(0x7ff2a101e9a0, 24 [pid 8795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8795] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8795] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8796] <... futex resumed>) = 1 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8797] <... set_robust_list resumed>) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8797] rt_sigprocmask(SIG_SETMASK, [], [pid 8796] <... sendmsg resumed>) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8796] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8796] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8797] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8797] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8795] <... futex resumed>) = 0 [pid 8795] exit_group(0) = ? [pid 8796] <... futex resumed>) = ? [pid 8796] +++ exited with 0 +++ [pid 8797] +++ exited with 0 +++ [pid 8795] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8795, si_uid=0, si_status=0, 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 8798 attached [pid 8798] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 371] <... clone resumed>, child_tidptr=0x55556cb53690) = 8798 [pid 8798] <... prctl resumed>) = 0 [pid 8798] setpgid(0, 0) = 0 [pid 8798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8798] write(3, "1000", 4) = 4 [pid 8798] close(3) = 0 executing program [pid 8798] write(1, "executing program\n", 18) = 18 [pid 8798] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8798] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8798] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8799]}, 88) = 8799 [pid 8798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8798] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8798] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8799 attached [pid 8799] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8799] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8799] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8798] <... futex resumed>) = 0 [pid 8798] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8798] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8798] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8800]}, 88) = 8800 ./strace-static-x86_64: Process 8800 attached [pid 8799] <... futex resumed>) = 1 [pid 8798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8798] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8798] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8800] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8800] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8800] <... setsockopt resumed>) = 0 [pid 8800] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8798] <... futex resumed>) = 0 [pid 8800] <... futex resumed>) = 1 [pid 8800] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8799] <... sendmsg resumed>) = 0 [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8799] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8799] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8798] exit_group(0 [pid 8799] <... futex resumed>) = ? [pid 8798] <... exit_group resumed>) = ? [pid 8799] +++ exited with 0 +++ [pid 8800] <... futex resumed>) = ? [pid 8800] +++ exited with 0 +++ [pid 8798] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8801 ./strace-static-x86_64: Process 8801 attached [pid 8801] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8801] setpgid(0, 0) = 0 [pid 8801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8801] write(3, "1000", 4) = 4 [pid 8801] close(3) = 0 [pid 8801] write(1, "executing program\n", 18executing program ) = 18 [pid 8801] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8801] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8801] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8801] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8802 attached => {parent_tid=[8802]}, 88) = 8802 [pid 8802] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8802] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8801] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8802] <... futex resumed>) = 0 [pid 8802] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8801] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8802] <... socketpair resumed>[3, 4]) = 0 [pid 8802] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8802] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8801] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8802] <... futex resumed>) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8801] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8802] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8802] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8801] <... futex resumed>) = 0 [pid 8801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8801] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8801] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8803 attached => {parent_tid=[8803]}, 88) = 8803 [pid 8803] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8803] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8801] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8803] <... futex resumed>) = 0 [pid 8803] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8801] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8803] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8803] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8801] exit_group(0 [pid 8802] <... futex resumed>) = ? [pid 8801] <... exit_group resumed>) = ? [pid 8802] +++ exited with 0 +++ [pid 8803] <... futex resumed>) = ? [pid 8803] +++ exited with 0 +++ [pid 8801] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8804 ./strace-static-x86_64: Process 8804 attached [pid 8804] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8804] setpgid(0, 0) = 0 [pid 8804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8804] write(3, "1000", 4) = 4 [pid 8804] close(3) = 0 [pid 8804] write(1, "executing program\n", 18executing program ) = 18 [pid 8804] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8804] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8804] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8805 attached => {parent_tid=[8805]}, 88) = 8805 [pid 8805] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8805] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8804] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8805] <... futex resumed>) = 0 [pid 8805] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8804] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8805] <... socketpair resumed>[3, 4]) = 0 [pid 8805] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8805] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8804] <... futex resumed>) = 0 [pid 8804] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8805] <... futex resumed>) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8804] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8805] <... sendmsg resumed>) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8804] <... futex resumed>) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8805] <... sendmsg resumed>) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8804] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8804] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8804] <... mprotect resumed>) = 0 [pid 8805] <... sendmsg resumed>) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8804] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8805] <... sendmsg resumed>) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8804] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8805] <... sendmsg resumed>) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8805] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8804] <... clone3 resumed> => {parent_tid=[8806]}, 88) = 8806 [pid 8805] <... sendmsg resumed>) = 0 [pid 8804] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8806 attached NULL, 8) = 0 [pid 8804] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8805] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8804] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8805] <... futex resumed>) = 0 [pid 8805] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8806] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8806] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8806] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8804] <... futex resumed>) = 0 [pid 8806] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8804] exit_group(0) = ? [pid 8805] <... futex resumed>) = ? [pid 8805] +++ exited with 0 +++ [pid 8806] <... futex resumed>) = ? [pid 8806] +++ exited with 0 +++ [pid 8804] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8807 ./strace-static-x86_64: Process 8807 attached [pid 8807] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8807] setpgid(0, 0) = 0 [pid 8807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8807] write(3, "1000", 4) = 4 [pid 8807] close(3) = 0 [pid 8807] write(1, "executing program\n", 18executing program ) = 18 [pid 8807] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8807] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8807] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8807] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8808 attached => {parent_tid=[8808]}, 88) = 8808 [pid 8808] set_robust_list(0x7ff2a103f9a0, 24 [pid 8807] rt_sigprocmask(SIG_SETMASK, [], [pid 8808] <... set_robust_list resumed>) = 0 [pid 8808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8808] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8807] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8808] <... futex resumed>) = 0 [pid 8807] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8808] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8808] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8807] <... futex resumed>) = 0 [pid 8807] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8807] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8807] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8807] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8807] <... clone3 resumed> => {parent_tid=[8809]}, 88) = 8809 [pid 8807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8807] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8807] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8809 attached [pid 8809] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8809] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8809] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8807] <... futex resumed>) = 0 [pid 8809] <... futex resumed>) = 1 [pid 8809] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8808] <... sendmsg resumed>) = 0 [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8808] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8808] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8807] exit_group(0 [pid 8808] <... futex resumed>) = ? [pid 8809] <... futex resumed>) = ? [pid 8807] <... exit_group resumed>) = ? [pid 8808] +++ exited with 0 +++ [pid 8809] +++ exited with 0 +++ [pid 8807] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8807, si_uid=0, si_status=0, 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 8810 attached , child_tidptr=0x55556cb53690) = 8810 [pid 8810] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8810] setpgid(0, 0) = 0 [pid 8810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8810] write(3, "1000", 4) = 4 [pid 8810] close(3) = 0 [pid 8810] write(1, "executing program\n", 18executing program ) = 18 [pid 8810] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8810] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8810] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8811 attached => {parent_tid=[8811]}, 88) = 8811 [pid 8811] set_robust_list(0x7ff2a103f9a0, 24 [pid 8810] rt_sigprocmask(SIG_SETMASK, [], [pid 8811] <... set_robust_list resumed>) = 0 [pid 8811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8811] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8810] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8811] <... futex resumed>) = 0 [pid 8811] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8811] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8811] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8810] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8810] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8811] <... futex resumed>) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8810] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8810] <... futex resumed>) = 0 [pid 8811] <... sendmsg resumed>) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8811] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8811] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8810] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8812]}, 88) = 8812 [pid 8810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8810] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8810] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8812 attached [pid 8812] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8812] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8812] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8810] <... futex resumed>) = 0 [pid 8810] exit_group(0 [pid 8811] <... futex resumed>) = ? [pid 8810] <... exit_group resumed>) = ? [pid 8811] +++ exited with 0 +++ [pid 8812] <... futex resumed>) = ? [pid 8812] +++ exited with 0 +++ [pid 8810] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8813 ./strace-static-x86_64: Process 8813 attached [pid 8813] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8813] setpgid(0, 0) = 0 [pid 8813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8813] write(3, "1000", 4) = 4 [pid 8813] close(3) = 0 executing program [pid 8813] write(1, "executing program\n", 18) = 18 [pid 8813] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8813] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8813] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8814 attached => {parent_tid=[8814]}, 88) = 8814 [pid 8814] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8814] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8813] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8814] <... futex resumed>) = 0 [pid 8814] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8813] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8814] <... socketpair resumed>[3, 4]) = 0 [pid 8814] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8814] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8813] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8814] <... futex resumed>) = 0 [pid 8813] <... futex resumed>) = 1 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8813] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8814] <... sendmsg resumed>) = 0 [pid 8813] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8813] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8813] <... mprotect resumed>) = 0 [pid 8814] <... sendmsg resumed>) = 0 [pid 8813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8814] <... sendmsg resumed>) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8813] <... clone3 resumed> => {parent_tid=[8815]}, 88) = 8815 [pid 8814] <... sendmsg resumed>) = 0 [pid 8813] rt_sigprocmask(SIG_SETMASK, [], [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8813] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8813] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8814] <... sendmsg resumed>) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] 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 8815 attached ) = 0 [pid 8815] set_robust_list(0x7ff2a101e9a0, 24 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8815] <... set_robust_list resumed>) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8815] rt_sigprocmask(SIG_SETMASK, [], [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8815] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8814] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8815] <... setsockopt resumed>) = 0 [pid 8814] <... sendmsg resumed>) = 0 [pid 8815] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8814] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8813] <... futex resumed>) = 0 [pid 8813] exit_group(0) = ? [pid 8815] <... futex resumed>) = ? [pid 8814] <... futex resumed>) = ? [pid 8815] +++ exited with 0 +++ [pid 8814] +++ exited with 0 +++ [pid 8813] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8813, si_uid=0, si_status=0, 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 8816 attached , child_tidptr=0x55556cb53690) = 8816 [pid 8816] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8816] setpgid(0, 0) = 0 [pid 8816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8816] write(3, "1000", 4) = 4 [pid 8816] close(3) = 0 [pid 8816] write(1, "executing program\n", 18executing program ) = 18 [pid 8816] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8816] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8816] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8817 attached [pid 8817] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8817] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8816] <... clone3 resumed> => {parent_tid=[8817]}, 88) = 8817 [pid 8816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8816] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8817] <... futex resumed>) = 0 [pid 8817] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8816] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8817] <... socketpair resumed>[3, 4]) = 0 [pid 8817] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8816] <... futex resumed>) = 0 [pid 8816] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8816] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8816] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8817] <... sendmsg resumed>) = 0 [pid 8816] <... clone3 resumed> => {parent_tid=[8818]}, 88) = 8818 [pid 8816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8816] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8816] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8818 attached [pid 8818] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8818] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8818] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8816] <... futex resumed>) = 0 [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8818] <... futex resumed>) = 1 [pid 8818] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8817] <... sendmsg resumed>) = 0 [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8817] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8817] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8816] exit_group(0 [pid 8817] <... futex resumed>) = ? [pid 8818] <... futex resumed>) = ? [pid 8816] <... exit_group resumed>) = ? [pid 8817] +++ exited with 0 +++ [pid 8818] +++ exited with 0 +++ [pid 8816] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8816, si_uid=0, si_status=0, 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 8819 attached , child_tidptr=0x55556cb53690) = 8819 [pid 8819] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8819] setpgid(0, 0) = 0 [pid 8819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8819] write(3, "1000", 4executing program ) = 4 [pid 8819] close(3) = 0 [pid 8819] write(1, "executing program\n", 18) = 18 [pid 8819] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8819] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8819] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8819] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8820 attached => {parent_tid=[8820]}, 88) = 8820 [pid 8820] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8820] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8819] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8820] <... futex resumed>) = 0 [pid 8819] <... futex resumed>) = 1 [pid 8820] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8819] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8820] <... socketpair resumed>[3, 4]) = 0 [pid 8820] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8820] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8819] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8820] <... futex resumed>) = 0 [pid 8819] <... futex resumed>) = 1 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8819] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8819] <... futex resumed>) = 0 [pid 8819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8820] <... sendmsg resumed>) = 0 [pid 8819] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8819] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8820] <... sendmsg resumed>) = 0 [pid 8819] <... mprotect resumed>) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8819] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8820] <... sendmsg resumed>) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8819] <... clone3 resumed> => {parent_tid=[8821]}, 88) = 8821 [pid 8819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8820] <... sendmsg resumed>) = 0 [pid 8819] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8819] <... futex resumed>) = 0 [pid 8819] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8820] <... sendmsg resumed>) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] 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 8821 attached ) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8821] set_robust_list(0x7ff2a101e9a0, 24 [pid 8820] <... sendmsg resumed>) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8821] <... set_robust_list resumed>) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8821] rt_sigprocmask(SIG_SETMASK, [], [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8821] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8820] <... sendmsg resumed>) = 0 [pid 8820] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8820] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8820] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8821] <... setsockopt resumed>) = 0 [pid 8821] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8819] <... futex resumed>) = 0 [pid 8819] exit_group(0) = ? [pid 8821] +++ exited with 0 +++ [pid 8820] <... futex resumed>) = ? [pid 8820] +++ exited with 0 +++ [pid 8819] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8822 ./strace-static-x86_64: Process 8822 attached [pid 8822] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8822] setpgid(0, 0) = 0 [pid 8822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8822] write(3, "1000", 4) = 4 executing program [pid 8822] close(3) = 0 [pid 8822] write(1, "executing program\n", 18) = 18 [pid 8822] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8822] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8822] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8822] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8823]}, 88) = 8823 [pid 8822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8822] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8822] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8823 attached [pid 8823] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8823] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8823] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8822] <... futex resumed>) = 0 [pid 8822] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8822] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8822] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8824]}, 88) = 8824 [pid 8823] <... sendmsg resumed>) = 0 [pid 8822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8822] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8822] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8824 attached [pid 8824] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8824] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8824] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8822] <... futex resumed>) = 0 [pid 8824] <... futex resumed>) = 1 [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8824] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8823] <... sendmsg resumed>) = 0 [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8823] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8823] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8822] exit_group(0) = ? [pid 8823] <... futex resumed>) = ? [pid 8824] <... futex resumed>) = ? [pid 8823] +++ exited with 0 +++ [pid 8824] +++ exited with 0 +++ [pid 8822] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8822, si_uid=0, si_status=0, 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 8825 attached , child_tidptr=0x55556cb53690) = 8825 [pid 8825] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8825] setpgid(0, 0) = 0 [pid 8825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8825] write(3, "1000", 4) = 4 [pid 8825] close(3) = 0 executing program [pid 8825] write(1, "executing program\n", 18) = 18 [pid 8825] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8825] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8825] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8826]}, 88) = 8826 [pid 8825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8825] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8825] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8826 attached [pid 8826] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8826] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8826] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8825] <... futex resumed>) = 0 [pid 8825] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8825] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8825] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8825] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8827]}, 88) = 8827 [pid 8825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8826] <... futex resumed>) = 1 [pid 8825] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8825] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8827 attached [pid 8827] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8827] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8827] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8827] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8825] <... futex resumed>) = 0 [pid 8827] <... futex resumed>) = 1 [pid 8827] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8826] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8826] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8825] exit_group(0) = ? [pid 8826] <... futex resumed>) = ? [pid 8827] <... futex resumed>) = ? [pid 8827] +++ exited with 0 +++ [pid 8826] +++ exited with 0 +++ [pid 8825] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8828 ./strace-static-x86_64: Process 8828 attached [pid 8828] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8828] setpgid(0, 0) = 0 [pid 8828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8828] write(3, "1000", 4) = 4 [pid 8828] close(3) = 0 [pid 8828] write(1, "executing program\n", 18executing program ) = 18 [pid 8828] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8828] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8828] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8829 attached => {parent_tid=[8829]}, 88) = 8829 [pid 8828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8828] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8828] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8829] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8829] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8829] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8828] <... futex resumed>) = 0 [pid 8828] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8828] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8828] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8830 attached [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8828] <... clone3 resumed> => {parent_tid=[8830]}, 88) = 8830 [pid 8830] set_robust_list(0x7ff2a101e9a0, 24 [pid 8828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8828] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8829] <... sendmsg resumed>) = 0 [pid 8828] <... futex resumed>) = 0 [pid 8828] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8830] <... set_robust_list resumed>) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8830] rt_sigprocmask(SIG_SETMASK, [], [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8829] <... sendmsg resumed>) = 0 [pid 8830] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8830] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8829] <... sendmsg resumed>) = 0 [pid 8830] <... futex resumed>) = 1 [pid 8828] <... futex resumed>) = 0 [pid 8830] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8829] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8829] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8828] exit_group(0) = ? [pid 8830] <... futex resumed>) = ? [pid 8829] <... futex resumed>) = ? [pid 8830] +++ exited with 0 +++ [pid 8829] +++ exited with 0 +++ [pid 8828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8831 ./strace-static-x86_64: Process 8831 attached [pid 8831] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8831] setpgid(0, 0) = 0 [pid 8831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8831] write(3, "1000", 4) = 4 [pid 8831] close(3) = 0 executing program [pid 8831] write(1, "executing program\n", 18) = 18 [pid 8831] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8831] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8831] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8832 attached => {parent_tid=[8832]}, 88) = 8832 [pid 8831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8831] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8831] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8832] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8832] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8832] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8831] <... futex resumed>) = 0 [pid 8831] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8831] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8831] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8831] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8831] <... clone3 resumed> => {parent_tid=[8833]}, 88) = 8833 [pid 8831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8831] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8831] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8833 attached [pid 8833] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8833] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8833] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8831] <... futex resumed>) = 0 [pid 8833] <... futex resumed>) = 1 [pid 8833] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8832] <... sendmsg resumed>) = 0 [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8832] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8832] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8831] exit_group(0) = ? [pid 8833] <... futex resumed>) = ? [pid 8832] <... futex resumed>) = ? [pid 8832] +++ exited with 0 +++ [pid 8833] +++ exited with 0 +++ [pid 8831] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8834 ./strace-static-x86_64: Process 8834 attached [pid 8834] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8834] setpgid(0, 0) = 0 [pid 8834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8834] write(3, "1000", 4) = 4 [pid 8834] close(3) = 0 [pid 8834] write(1, "executing program\n", 18executing program ) = 18 [pid 8834] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8834] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8834] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8835 attached [pid 8835] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8835] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8834] <... clone3 resumed> => {parent_tid=[8835]}, 88) = 8835 [pid 8834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8834] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8835] <... futex resumed>) = 0 [pid 8835] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8835] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8835] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8834] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8834] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8835] <... futex resumed>) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8834] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8835] <... sendmsg resumed>) = 0 [pid 8835] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8835] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8835] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8834] <... futex resumed>) = 0 [pid 8834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8834] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8836 attached => {parent_tid=[8836]}, 88) = 8836 [pid 8836] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8836] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8834] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8836] <... futex resumed>) = 0 [pid 8836] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8836] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8836] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8834] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8834] exit_group(0 [pid 8835] <... futex resumed>) = ? [pid 8835] +++ exited with 0 +++ [pid 8834] <... exit_group resumed>) = ? [pid 8836] <... futex resumed>) = ? [pid 8836] +++ exited with 0 +++ [pid 8834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8834, si_uid=0, si_status=0, 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 8837 attached , child_tidptr=0x55556cb53690) = 8837 [pid 8837] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8837] setpgid(0, 0) = 0 [pid 8837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8837] write(3, "1000", 4) = 4 [pid 8837] close(3) = 0 executing program [pid 8837] write(1, "executing program\n", 18) = 18 [pid 8837] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8837] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8837] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8838]}, 88) = 8838 [pid 8837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8837] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8837] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8838 attached [pid 8838] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8838] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8838] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8837] <... futex resumed>) = 0 [pid 8837] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8837] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8837] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8839]}, 88) = 8839 [pid 8837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8837] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8837] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8838] <... futex resumed>) = 1 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] 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 8839 attached [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8839] set_robust_list(0x7ff2a101e9a0, 24 [pid 8838] <... sendmsg resumed>) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8839] <... set_robust_list resumed>) = 0 [pid 8838] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8838] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8838] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8839] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8839] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8837] <... futex resumed>) = 0 [pid 8837] exit_group(0) = ? [pid 8838] <... futex resumed>) = ? [pid 8838] +++ exited with 0 +++ [pid 8839] <... futex resumed>) = ? [pid 8839] +++ exited with 0 +++ [pid 8837] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8840 ./strace-static-x86_64: Process 8840 attached [pid 8840] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8840] setpgid(0, 0) = 0 [pid 8840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8840] write(3, "1000", 4) = 4 [pid 8840] close(3) = 0 [pid 8840] write(1, "executing program\n", 18executing program ) = 18 [pid 8840] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8840] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8840] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8841 attached => {parent_tid=[8841]}, 88) = 8841 [pid 8841] set_robust_list(0x7ff2a103f9a0, 24 [pid 8840] rt_sigprocmask(SIG_SETMASK, [], [pid 8841] <... set_robust_list resumed>) = 0 [pid 8840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8841] rt_sigprocmask(SIG_SETMASK, [], [pid 8840] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8840] <... futex resumed>) = 0 [pid 8841] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8840] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8841] <... socketpair resumed>[3, 4]) = 0 [pid 8841] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8840] <... futex resumed>) = 0 [pid 8841] <... futex resumed>) = 1 [pid 8840] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8840] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8841] <... sendmsg resumed>) = 0 [pid 8840] <... futex resumed>) = 0 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8841] <... sendmsg resumed>) = 0 [pid 8840] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8840] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8841] <... sendmsg resumed>) = 0 [pid 8840] <... mprotect resumed>) = 0 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8841] <... sendmsg resumed>) = 0 [pid 8840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8841] <... sendmsg resumed>) = 0 [pid 8841] 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 8842 attached [pid 8840] <... clone3 resumed> => {parent_tid=[8842]}, 88) = 8842 [pid 8842] set_robust_list(0x7ff2a101e9a0, 24 [pid 8841] <... sendmsg resumed>) = 0 [pid 8840] rt_sigprocmask(SIG_SETMASK, [], [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8842] <... set_robust_list resumed>) = 0 [pid 8840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8842] rt_sigprocmask(SIG_SETMASK, [], [pid 8841] <... sendmsg resumed>) = 0 [pid 8840] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8840] <... futex resumed>) = 0 [pid 8842] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8841] <... sendmsg resumed>) = 0 [pid 8840] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8842] <... setsockopt resumed>) = 0 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8842] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8841] <... sendmsg resumed>) = 0 [pid 8842] <... futex resumed>) = 1 [pid 8840] <... futex resumed>) = 0 [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8842] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8841] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8841] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8841] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8840] exit_group(0 [pid 8842] <... futex resumed>) = ? [pid 8841] <... futex resumed>) = ? [pid 8840] <... exit_group resumed>) = ? [pid 8842] +++ exited with 0 +++ [pid 8841] +++ exited with 0 +++ [pid 8840] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8843 ./strace-static-x86_64: Process 8843 attached [pid 8843] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8843] setpgid(0, 0) = 0 [pid 8843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8843] write(3, "1000", 4) = 4 [pid 8843] close(3) = 0 executing program [pid 8843] write(1, "executing program\n", 18) = 18 [pid 8843] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8843] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8843] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8844 attached => {parent_tid=[8844]}, 88) = 8844 [pid 8844] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8844] rt_sigprocmask(SIG_SETMASK, [], [pid 8843] rt_sigprocmask(SIG_SETMASK, [], [pid 8844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8844] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8843] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8844] <... futex resumed>) = 0 [pid 8844] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8843] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8844] <... socketpair resumed>[3, 4]) = 0 [pid 8844] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8844] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8843] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8844] <... futex resumed>) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8843] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8843] <... futex resumed>) = 0 [pid 8844] <... sendmsg resumed>) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8844] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8844] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8843] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8845 attached [pid 8845] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8843] <... clone3 resumed> => {parent_tid=[8845]}, 88) = 8845 [pid 8845] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8843] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8845] <... futex resumed>) = 0 [pid 8843] <... futex resumed>) = 1 [pid 8845] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8843] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8845] <... setsockopt resumed>) = 0 [pid 8845] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8843] <... futex resumed>) = 0 [pid 8845] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8843] exit_group(0) = ? [pid 8844] <... futex resumed>) = ? [pid 8844] +++ exited with 0 +++ [pid 8845] <... futex resumed>) = ? [pid 8845] +++ exited with 0 +++ [pid 8843] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8846 ./strace-static-x86_64: Process 8846 attached [pid 8846] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8846] setpgid(0, 0) = 0 [pid 8846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8846] write(3, "1000", 4) = 4 [pid 8846] close(3) = 0 [pid 8846] write(1, "executing program\n", 18executing program ) = 18 [pid 8846] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8846] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8846] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8847]}, 88) = 8847 [pid 8846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8846] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8846] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8847 attached [pid 8847] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8847] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8847] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8846] <... futex resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8847] <... sendmsg resumed>) = 0 [pid 8846] <... futex resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8847] <... sendmsg resumed>) = 0 [pid 8846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8846] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8847] <... sendmsg resumed>) = 0 [pid 8846] <... mprotect resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8847] <... sendmsg resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] <... clone3 resumed> => {parent_tid=[8848]}, 88) = 8848 [pid 8847] <... sendmsg resumed>) = 0 [pid 8846] rt_sigprocmask(SIG_SETMASK, [], [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8847] <... sendmsg resumed>) = 0 [pid 8846] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] <... futex resumed>) = 0 [pid 8846] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8847] <... sendmsg resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] 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 8848 attached ) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8848] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8847] <... sendmsg resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8848] rt_sigprocmask(SIG_SETMASK, [], [pid 8847] <... sendmsg resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8847] <... sendmsg resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8848] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8847] <... sendmsg resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8848] <... setsockopt resumed>) = 0 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8848] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8847] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8846] <... futex resumed>) = 0 [pid 8847] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8847] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8847] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8848] <... futex resumed>) = 1 [pid 8848] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8846] exit_group(0 [pid 8848] <... futex resumed>) = ? [pid 8846] <... exit_group resumed>) = ? [pid 8848] +++ exited with 0 +++ [pid 8847] <... futex resumed>) = ? [pid 8847] +++ exited with 0 +++ [pid 8846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8849 ./strace-static-x86_64: Process 8849 attached [pid 8849] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8849] setpgid(0, 0) = 0 [pid 8849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8849] write(3, "1000", 4) = 4 [pid 8849] close(3) = 0 [pid 8849] write(1, "executing program\n", 18executing program ) = 18 [pid 8849] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8849] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8849] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8850 attached => {parent_tid=[8850]}, 88) = 8850 [pid 8850] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8850] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8849] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8850] <... futex resumed>) = 0 [pid 8850] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8849] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8850] <... socketpair resumed>[3, 4]) = 0 [pid 8850] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8850] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8849] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8850] <... futex resumed>) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8849] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8849] <... futex resumed>) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8850] <... sendmsg resumed>) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8849] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8849] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8850] <... sendmsg resumed>) = 0 [pid 8849] <... mprotect resumed>) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8849] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8850] <... sendmsg resumed>) = 0 [pid 8849] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8850] <... sendmsg resumed>) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8849] <... clone3 resumed> => {parent_tid=[8851]}, 88) = 8851 [pid 8849] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8850] <... sendmsg resumed>) = 0 [pid 8849] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8849] <... futex resumed>) = 0 [pid 8849] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8850] <... sendmsg resumed>) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] 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 8851 attached ) = 0 [pid 8851] set_robust_list(0x7ff2a101e9a0, 24 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8851] <... set_robust_list resumed>) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8851] rt_sigprocmask(SIG_SETMASK, [], [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8850] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8850] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8851] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8851] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8849] <... futex resumed>) = 0 [pid 8849] exit_group(0) = ? [pid 8850] <... futex resumed>) = ? [pid 8851] +++ exited with 0 +++ [pid 8850] +++ exited with 0 +++ [pid 8849] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8852 ./strace-static-x86_64: Process 8852 attached [pid 8852] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8852] setpgid(0, 0) = 0 [pid 8852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8852] write(3, "1000", 4) = 4 [pid 8852] close(3) = 0 [pid 8852] write(1, "executing program\n", 18executing program ) = 18 [pid 8852] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8852] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8852] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8853 attached [pid 8853] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8853] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8852] <... clone3 resumed> => {parent_tid=[8853]}, 88) = 8853 [pid 8852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8852] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8853] <... futex resumed>) = 0 [pid 8853] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8852] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8853] <... socketpair resumed>[3, 4]) = 0 [pid 8853] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8852] <... futex resumed>) = 0 [pid 8852] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8852] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8852] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8853] <... sendmsg resumed>) = 0 [pid 8852] <... clone3 resumed> => {parent_tid=[8854]}, 88) = 8854 [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8852] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8852] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8852] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8854 attached [pid 8854] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8854] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8854] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8852] <... futex resumed>) = 0 [pid 8854] <... futex resumed>) = 1 [pid 8853] <... sendmsg resumed>) = 0 [pid 8854] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8853] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8853] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8852] exit_group(0 [pid 8853] <... futex resumed>) = ? [pid 8854] <... futex resumed>) = ? [pid 8852] <... exit_group resumed>) = ? [pid 8853] +++ exited with 0 +++ [pid 8854] +++ exited with 0 +++ [pid 8852] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8855 ./strace-static-x86_64: Process 8855 attached [pid 8855] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8855] setpgid(0, 0) = 0 [pid 8855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8855] write(3, "1000", 4) = 4 [pid 8855] close(3) = 0 [pid 8855] write(1, "executing program\n", 18executing program ) = 18 [pid 8855] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8855] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8855] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8856 attached => {parent_tid=[8856]}, 88) = 8856 [pid 8856] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8856] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8855] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8856] <... futex resumed>) = 0 [pid 8856] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8856] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8856] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8855] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8855] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8856] <... futex resumed>) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8855] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8855] <... futex resumed>) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8856] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8856] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8855] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8857 attached => {parent_tid=[8857]}, 88) = 8857 [pid 8857] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8857] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8855] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8857] <... futex resumed>) = 0 [pid 8857] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8857] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8857] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8855] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8855] exit_group(0 [pid 8856] <... futex resumed>) = ? [pid 8855] <... exit_group resumed>) = ? [pid 8856] +++ exited with 0 +++ [pid 8857] <... futex resumed>) = ? [pid 8857] +++ exited with 0 +++ [pid 8855] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8858 ./strace-static-x86_64: Process 8858 attached [pid 8858] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8858] setpgid(0, 0) = 0 [pid 8858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8858] write(3, "1000", 4) = 4 [pid 8858] close(3) = 0 [pid 8858] write(1, "executing program\n", 18executing program ) = 18 [pid 8858] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8858] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8858] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8859 attached => {parent_tid=[8859]}, 88) = 8859 [pid 8859] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8859] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8858] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8859] <... futex resumed>) = 0 [pid 8858] <... futex resumed>) = 1 [pid 8859] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8858] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8859] <... socketpair resumed>[3, 4]) = 0 [pid 8859] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8859] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8858] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8859] <... futex resumed>) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8858] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8858] <... futex resumed>) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8859] <... sendmsg resumed>) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8858] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8859] <... sendmsg resumed>) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8858] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8858] <... mprotect resumed>) = 0 [pid 8859] <... sendmsg resumed>) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8859] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8859] <... sendmsg resumed>) = 0 [pid 8859] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8859] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8860 attached [pid 8860] set_robust_list(0x7ff2a101e9a0, 24 [pid 8858] <... clone3 resumed> => {parent_tid=[8860]}, 88) = 8860 [pid 8860] <... set_robust_list resumed>) = 0 [pid 8858] rt_sigprocmask(SIG_SETMASK, [], [pid 8860] rt_sigprocmask(SIG_SETMASK, [], [pid 8858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8858] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8858] <... futex resumed>) = 0 [pid 8860] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8858] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8860] <... setsockopt resumed>) = 0 [pid 8860] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8858] <... futex resumed>) = 0 [pid 8860] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8858] exit_group(0) = ? [pid 8859] <... futex resumed>) = ? [pid 8859] +++ exited with 0 +++ [pid 8860] <... futex resumed>) = ? [pid 8860] +++ exited with 0 +++ [pid 8858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8858, si_uid=0, si_status=0, 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 8861 attached , child_tidptr=0x55556cb53690) = 8861 [pid 8861] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8861] setpgid(0, 0) = 0 [pid 8861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8861] write(3, "1000", 4) = 4 [pid 8861] close(3) = 0 [pid 8861] write(1, "executing program\n", 18executing program ) = 18 [pid 8861] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8861] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8861] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8862 attached => {parent_tid=[8862]}, 88) = 8862 [pid 8862] set_robust_list(0x7ff2a103f9a0, 24 [pid 8861] rt_sigprocmask(SIG_SETMASK, [], [pid 8862] <... set_robust_list resumed>) = 0 [pid 8862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8862] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8861] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8862] <... futex resumed>) = 0 [pid 8862] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8861] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8862] <... socketpair resumed>[3, 4]) = 0 [pid 8862] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8862] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8861] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8862] <... futex resumed>) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8861] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8861] <... futex resumed>) = 0 [pid 8862] <... sendmsg resumed>) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8862] <... sendmsg resumed>) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8861] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8861] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8861] <... mprotect resumed>) = 0 [pid 8861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8862] <... sendmsg resumed>) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8862] <... sendmsg resumed>) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8862] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8862] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8863 attached [pid 8863] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8863] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8861] <... clone3 resumed> => {parent_tid=[8863]}, 88) = 8863 [pid 8861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8861] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8863] <... futex resumed>) = 0 [pid 8861] <... futex resumed>) = 1 [pid 8863] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8863] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8863] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8861] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8861] exit_group(0 [pid 8862] <... futex resumed>) = ? [pid 8861] <... exit_group resumed>) = ? [pid 8862] +++ exited with 0 +++ [pid 8863] <... futex resumed>) = ? [pid 8863] +++ exited with 0 +++ [pid 8861] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8865 ./strace-static-x86_64: Process 8865 attached [pid 8865] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8865] setpgid(0, 0) = 0 [pid 8865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8865] write(3, "1000", 4) = 4 [pid 8865] close(3executing program ) = 0 [pid 8865] write(1, "executing program\n", 18) = 18 [pid 8865] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8865] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8865] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8865] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8866 attached => {parent_tid=[8866]}, 88) = 8866 [pid 8866] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8866] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8865] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8865] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8866] <... futex resumed>) = 0 [pid 8866] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8865] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8866] <... socketpair resumed>[3, 4]) = 0 [pid 8866] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8866] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8865] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8866] <... futex resumed>) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8865] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8866] <... sendmsg resumed>) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8865] <... futex resumed>) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8866] <... sendmsg resumed>) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8865] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8865] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8866] <... sendmsg resumed>) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8865] <... mprotect resumed>) = 0 [pid 8866] <... sendmsg resumed>) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8865] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8865] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8866] <... sendmsg resumed>) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] 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 8867 attached [pid 8867] set_robust_list(0x7ff2a101e9a0, 24 [pid 8866] <... sendmsg resumed>) = 0 [pid 8865] <... clone3 resumed> => {parent_tid=[8867]}, 88) = 8867 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8866] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8866] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8867] <... set_robust_list resumed>) = 0 [pid 8865] rt_sigprocmask(SIG_SETMASK, [], [pid 8867] rt_sigprocmask(SIG_SETMASK, [], [pid 8865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8865] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8867] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8865] <... futex resumed>) = 0 [pid 8867] <... setsockopt resumed>) = 0 [pid 8865] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8867] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8865] <... futex resumed>) = 0 [pid 8865] exit_group(0) = ? [pid 8867] +++ exited with 0 +++ [pid 8866] <... futex resumed>) = ? [pid 8866] +++ exited with 0 +++ [pid 8865] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8865, si_uid=0, si_status=0, 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 8868 attached , child_tidptr=0x55556cb53690) = 8868 [pid 8868] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8868] setpgid(0, 0) = 0 [pid 8868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8868] write(3, "1000", 4) = 4 [pid 8868] close(3) = 0 [pid 8868] write(1, "executing program\n", 18executing program ) = 18 [pid 8868] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8868] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8868] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8869 attached => {parent_tid=[8869]}, 88) = 8869 [pid 8869] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8869] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8868] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8869] <... futex resumed>) = 0 [pid 8869] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8869] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8868] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8869] <... futex resumed>) = 0 [pid 8869] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8868] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8869] <... futex resumed>) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8868] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8868] <... futex resumed>) = 0 [pid 8868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8869] <... sendmsg resumed>) = 0 [pid 8868] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8868] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8868] <... mprotect resumed>) = 0 [pid 8869] <... sendmsg resumed>) = 0 [pid 8868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8869] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8869] <... sendmsg resumed>) = 0 [pid 8869] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8869] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8870 attached [pid 8868] <... clone3 resumed> => {parent_tid=[8870]}, 88) = 8870 [pid 8870] set_robust_list(0x7ff2a101e9a0, 24 [pid 8868] rt_sigprocmask(SIG_SETMASK, [], [pid 8870] <... set_robust_list resumed>) = 0 [pid 8868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8870] rt_sigprocmask(SIG_SETMASK, [], [pid 8868] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8870] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8868] <... futex resumed>) = 0 [pid 8868] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8870] <... setsockopt resumed>) = 0 [pid 8870] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8868] <... futex resumed>) = 0 [pid 8870] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8868] exit_group(0) = ? [pid 8869] <... futex resumed>) = ? [pid 8870] <... futex resumed>) = ? [pid 8869] +++ exited with 0 +++ [pid 8870] +++ exited with 0 +++ [pid 8868] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8868, si_uid=0, si_status=0, 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 8871 attached , child_tidptr=0x55556cb53690) = 8871 [pid 8871] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8871] setpgid(0, 0) = 0 [pid 8871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8871] write(3, "1000", 4) = 4 [pid 8871] close(3) = 0 [pid 8871] write(1, "executing program\n", 18executing program ) = 18 [pid 8871] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8871] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8871] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8872 attached => {parent_tid=[8872]}, 88) = 8872 [pid 8872] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8872] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8871] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8872] <... futex resumed>) = 0 [pid 8872] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8871] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8872] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8872] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8871] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8872] <... futex resumed>) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8871] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8872] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8872] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8871] <... futex resumed>) = 0 [pid 8871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8871] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8873 attached [pid 8873] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8873] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8871] <... clone3 resumed> => {parent_tid=[8873]}, 88) = 8873 [pid 8871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8871] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8871] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8873] <... futex resumed>) = 0 [pid 8873] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8873] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8871] <... futex resumed>) = 0 [pid 8871] exit_group(0 [pid 8872] <... futex resumed>) = ? [pid 8872] +++ exited with 0 +++ [pid 8871] <... exit_group resumed>) = ? [pid 8873] +++ exited with 0 +++ [pid 8871] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8874 ./strace-static-x86_64: Process 8874 attached [pid 8874] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8874] setpgid(0, 0) = 0 [pid 8874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8874] write(3, "1000", 4) = 4 [pid 8874] close(3) = 0 [pid 8874] write(1, "executing program\n", 18executing program ) = 18 [pid 8874] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8874] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8874] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8875 attached => {parent_tid=[8875]}, 88) = 8875 [pid 8875] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8875] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8874] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8875] <... futex resumed>) = 0 [pid 8875] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8874] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8875] <... socketpair resumed>[3, 4]) = 0 [pid 8875] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8874] <... futex resumed>) = 0 [pid 8874] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8874] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8874] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8876]}, 88) = 8876 [pid 8874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8874] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8874] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8876 attached [pid 8876] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8876] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8876] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8874] <... futex resumed>) = 0 [pid 8876] <... futex resumed>) = 1 [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8876] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8875] <... sendmsg resumed>) = 0 [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8875] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8875] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8874] exit_group(0) = ? [pid 8876] <... futex resumed>) = ? [pid 8875] <... futex resumed>) = 230 [pid 8876] +++ exited with 0 +++ [pid 8875] +++ exited with 0 +++ [pid 8874] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8874, si_uid=0, si_status=0, 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 8877 attached , child_tidptr=0x55556cb53690) = 8877 [pid 8877] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8877] setpgid(0, 0) = 0 [pid 8877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8877] write(3, "1000", 4) = 4 [pid 8877] close(3) = 0 executing program [pid 8877] write(1, "executing program\n", 18) = 18 [pid 8877] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8877] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8877] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8877] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8878 attached => {parent_tid=[8878]}, 88) = 8878 [pid 8878] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8878] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8877] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8878] <... futex resumed>) = 0 [pid 8878] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8877] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8878] <... socketpair resumed>[3, 4]) = 0 [pid 8878] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8878] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8877] <... futex resumed>) = 0 [pid 8877] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8878] <... futex resumed>) = 0 [pid 8877] <... futex resumed>) = 1 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8877] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8878] <... sendmsg resumed>) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8877] <... futex resumed>) = 0 [pid 8878] <... sendmsg resumed>) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8878] <... sendmsg resumed>) = 0 [pid 8877] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8877] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8877] <... mprotect resumed>) = 0 [pid 8878] <... sendmsg resumed>) = 0 [pid 8877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8878] <... sendmsg resumed>) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8877] <... clone3 resumed> => {parent_tid=[8879]}, 88) = 8879 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8877] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8877] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8878] <... sendmsg resumed>) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] 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 8879 attached ) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8879] set_robust_list(0x7ff2a101e9a0, 24 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8879] <... set_robust_list resumed>) = 0 [pid 8878] <... sendmsg resumed>) = 0 [pid 8879] rt_sigprocmask(SIG_SETMASK, [], [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8878] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8878] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8879] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8879] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8877] <... futex resumed>) = 0 [pid 8877] exit_group(0) = ? [pid 8879] +++ exited with 0 +++ [pid 8878] <... futex resumed>) = ? [pid 8878] +++ exited with 0 +++ [pid 8877] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8877, si_uid=0, si_status=0, 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 8880 attached , child_tidptr=0x55556cb53690) = 8880 [pid 8880] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8880] setpgid(0, 0) = 0 [pid 8880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8880] write(3, "1000", 4) = 4 [pid 8880] close(3) = 0 [pid 8880] write(1, "executing program\n", 18executing program ) = 18 [pid 8880] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8880] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8880] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8881 attached => {parent_tid=[8881]}, 88) = 8881 [pid 8880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8880] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8880] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8881] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8881] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8881] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8880] <... futex resumed>) = 0 [pid 8880] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8880] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8880] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8882 attached [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8882] set_robust_list(0x7ff2a101e9a0, 24 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8880] <... clone3 resumed> => {parent_tid=[8882]}, 88) = 8882 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8880] rt_sigprocmask(SIG_SETMASK, [], [pid 8881] <... sendmsg resumed>) = 0 [pid 8880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8880] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8880] <... futex resumed>) = 0 [pid 8881] <... sendmsg resumed>) = 0 [pid 8880] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8882] <... set_robust_list resumed>) = 0 [pid 8881] <... sendmsg resumed>) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8882] rt_sigprocmask(SIG_SETMASK, [], [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8881] <... sendmsg resumed>) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8882] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8881] <... sendmsg resumed>) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8882] <... setsockopt resumed>) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8882] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8881] <... sendmsg resumed>) = 0 [pid 8882] <... futex resumed>) = 1 [pid 8880] <... futex resumed>) = 0 [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8882] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8881] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8881] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8881] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8881] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8880] exit_group(0) = ? [pid 8882] <... futex resumed>) = ? [pid 8881] <... futex resumed>) = ? [pid 8882] +++ exited with 0 +++ [pid 8881] +++ exited with 0 +++ [pid 8880] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8880, si_uid=0, si_status=0, 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 8883 attached , child_tidptr=0x55556cb53690) = 8883 [pid 8883] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8883] setpgid(0, 0) = 0 [pid 8883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8883] write(3, "1000", 4) = 4 [pid 8883] close(3) = 0 executing program [pid 8883] write(1, "executing program\n", 18) = 18 [pid 8883] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8883] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8883] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8883] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8884]}, 88) = 8884 [pid 8883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8883] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8883] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8884 attached [pid 8884] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8884] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8884] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8884] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8883] <... futex resumed>) = 0 [pid 8883] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8883] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8883] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8883] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8885]}, 88) = 8885 [pid 8883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8883] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8883] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8884] <... futex resumed>) = 1 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8884] 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 8885 attached ) = 0 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8885] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8884] <... sendmsg resumed>) = 0 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8885] rt_sigprocmask(SIG_SETMASK, [], [pid 8884] <... sendmsg resumed>) = 0 [pid 8885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8885] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8884] <... sendmsg resumed>) = 0 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8885] <... setsockopt resumed>) = 0 [pid 8885] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8884] <... sendmsg resumed>) = 0 [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8885] <... futex resumed>) = 1 [pid 8883] <... futex resumed>) = 0 [pid 8884] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8885] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8884] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8884] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8884] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8883] exit_group(0 [pid 8884] <... futex resumed>) = ? [pid 8885] <... futex resumed>) = 230 [pid 8884] +++ exited with 0 +++ [pid 8883] <... exit_group resumed>) = ? [pid 8885] +++ exited with 0 +++ [pid 8883] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8883, si_uid=0, si_status=0, 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 8886 attached , child_tidptr=0x55556cb53690) = 8886 [pid 8886] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8886] setpgid(0, 0) = 0 [pid 8886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8886] write(3, "1000", 4) = 4 [pid 8886] close(3) = 0 [pid 8886] write(1, "executing program\n", 18executing program ) = 18 [pid 8886] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8886] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8886] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8887 attached => {parent_tid=[8887]}, 88) = 8887 [pid 8887] set_robust_list(0x7ff2a103f9a0, 24 [pid 8886] rt_sigprocmask(SIG_SETMASK, [], [pid 8887] <... set_robust_list resumed>) = 0 [pid 8886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8886] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8887] rt_sigprocmask(SIG_SETMASK, [], [pid 8886] <... futex resumed>) = 0 [pid 8886] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8887] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8887] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8886] <... futex resumed>) = 0 [pid 8886] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8886] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8886] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8886] <... clone3 resumed> => {parent_tid=[8888]}, 88) = 8888 [pid 8886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8886] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8886] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8888 attached [pid 8888] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8888] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8888] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8886] <... futex resumed>) = 0 [pid 8888] <... futex resumed>) = 1 [pid 8888] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8887] <... sendmsg resumed>) = 0 [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8887] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8887] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8886] exit_group(0 [pid 8888] <... futex resumed>) = ? [pid 8887] <... futex resumed>) = ? [pid 8886] <... exit_group resumed>) = ? [pid 8888] +++ exited with 0 +++ [pid 8887] +++ exited with 0 +++ [pid 8886] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8886, si_uid=0, si_status=0, 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 8889 attached , child_tidptr=0x55556cb53690) = 8889 [pid 8889] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8889] setpgid(0, 0) = 0 [pid 8889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8889] write(3, "1000", 4) = 4 [pid 8889] close(3) = 0 executing program [pid 8889] write(1, "executing program\n", 18) = 18 [pid 8889] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8889] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8889] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8889] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8890 attached => {parent_tid=[8890]}, 88) = 8890 [pid 8890] set_robust_list(0x7ff2a103f9a0, 24 [pid 8889] rt_sigprocmask(SIG_SETMASK, [], [pid 8890] <... set_robust_list resumed>) = 0 [pid 8890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8890] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8889] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8890] <... futex resumed>) = 0 [pid 8889] <... futex resumed>) = 1 [pid 8890] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8889] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8890] <... socketpair resumed>[3, 4]) = 0 [pid 8890] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8890] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8889] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8890] <... futex resumed>) = 0 [pid 8889] <... futex resumed>) = 1 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8889] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8890] <... sendmsg resumed>) = 0 [pid 8889] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8889] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8890] <... sendmsg resumed>) = 0 [pid 8889] <... mprotect resumed>) = 0 [pid 8889] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8889] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8890] <... sendmsg resumed>) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8889] <... clone3 resumed> => {parent_tid=[8891]}, 88) = 8891 [pid 8889] rt_sigprocmask(SIG_SETMASK, [], [pid 8890] <... sendmsg resumed>) = 0 [pid 8889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8889] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8889] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8890] <... sendmsg resumed>) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] 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 8891 attached ) = 0 [pid 8891] set_robust_list(0x7ff2a101e9a0, 24 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8891] <... set_robust_list resumed>) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8891] rt_sigprocmask(SIG_SETMASK, [], [pid 8890] <... sendmsg resumed>) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8891] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8891] <... setsockopt resumed>) = 0 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8891] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8890] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8890] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8890] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8891] <... futex resumed>) = 1 [pid 8889] <... futex resumed>) = 0 [pid 8889] exit_group(0) = ? [pid 8890] <... futex resumed>) = ? [pid 8891] +++ exited with 0 +++ [pid 8890] +++ exited with 0 +++ [pid 8889] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8892 ./strace-static-x86_64: Process 8892 attached [pid 8892] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8892] setpgid(0, 0) = 0 [pid 8892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8892] write(3, "1000", 4) = 4 [pid 8892] close(3) = 0 executing program [pid 8892] write(1, "executing program\n", 18) = 18 [pid 8892] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8892] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8892] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8893 attached => {parent_tid=[8893]}, 88) = 8893 [pid 8893] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8893] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8892] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8893] <... futex resumed>) = 0 [pid 8893] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8893] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8893] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8892] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8892] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8893] <... futex resumed>) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8892] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8892] <... futex resumed>) = 0 [pid 8893] <... sendmsg resumed>) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8893] <... sendmsg resumed>) = 0 [pid 8892] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8892] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8893] <... sendmsg resumed>) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8893] <... sendmsg resumed>) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8892] <... clone3 resumed> => {parent_tid=[8894]}, 88) = 8894 [pid 8893] <... sendmsg resumed>) = 0 [pid 8892] rt_sigprocmask(SIG_SETMASK, [], [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8892] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8893] <... sendmsg resumed>) = 0 [pid 8892] <... futex resumed>) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8892] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8893] <... sendmsg resumed>) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8893] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8893] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8894 attached [pid 8894] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8894] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8894] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8892] <... futex resumed>) = 0 [pid 8892] exit_group(0) = ? [pid 8893] <... futex resumed>) = ? [pid 8893] +++ exited with 0 +++ [pid 8894] +++ exited with 0 +++ [pid 8892] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8892, 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 8895 attached , child_tidptr=0x55556cb53690) = 8895 [pid 8895] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8895] setpgid(0, 0) = 0 [pid 8895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8895] write(3, "1000", 4) = 4 [pid 8895] close(3) = 0 executing program [pid 8895] write(1, "executing program\n", 18) = 18 [pid 8895] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8895] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8895] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8896 attached => {parent_tid=[8896]}, 88) = 8896 [pid 8895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8895] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8895] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8896] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8896] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8896] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8895] <... futex resumed>) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8895] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8896] <... sendmsg resumed>) = 0 [pid 8895] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8895] <... futex resumed>) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8896] <... sendmsg resumed>) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8895] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8895] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8897]}, 88) = 8897 [pid 8895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8895] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8895] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8897 attached [pid 8897] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8897] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8897] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8895] <... futex resumed>) = 0 [pid 8897] <... futex resumed>) = 1 [pid 8896] <... sendmsg resumed>) = 0 [pid 8897] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8896] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8896] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8895] exit_group(0) = ? [pid 8897] <... futex resumed>) = 231 [pid 8897] +++ exited with 0 +++ [pid 8896] <... futex resumed>) = ? [pid 8896] +++ exited with 0 +++ [pid 8895] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8898 ./strace-static-x86_64: Process 8898 attached [pid 8898] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8898] setpgid(0, 0) = 0 [pid 8898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8898] write(3, "1000", 4) = 4 [pid 8898] close(3) = 0 [pid 8898] write(1, "executing program\n", 18executing program ) = 18 [pid 8898] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8898] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8898] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8899 attached => {parent_tid=[8899]}, 88) = 8899 [pid 8899] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8899] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8898] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8898] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8899] <... futex resumed>) = 0 [pid 8899] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8899] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8899] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8898] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8898] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8899] <... futex resumed>) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8898] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8899] <... sendmsg resumed>) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8898] <... futex resumed>) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8899] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8899] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8898] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8898] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8900 attached => {parent_tid=[8900]}, 88) = 8900 [pid 8900] set_robust_list(0x7ff2a101e9a0, 24 [pid 8898] rt_sigprocmask(SIG_SETMASK, [], [pid 8900] <... set_robust_list resumed>) = 0 [pid 8900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8900] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8898] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8900] <... futex resumed>) = 0 [pid 8900] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8900] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8900] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8898] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8898] exit_group(0 [pid 8899] <... futex resumed>) = ? [pid 8898] <... exit_group resumed>) = ? [pid 8899] +++ exited with 0 +++ [pid 8900] <... futex resumed>) = ? [pid 8900] +++ exited with 0 +++ [pid 8898] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8901 ./strace-static-x86_64: Process 8901 attached [pid 8901] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8901] setpgid(0, 0) = 0 [pid 8901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8901] write(3, "1000", 4) = 4 [pid 8901] close(3) = 0 [pid 8901] write(1, "executing program\n", 18executing program ) = 18 [pid 8901] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8901] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8901] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8902 attached => {parent_tid=[8902]}, 88) = 8902 [pid 8902] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8902] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8901] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8902] <... futex resumed>) = 0 [pid 8902] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8901] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8902] <... socketpair resumed>[3, 4]) = 0 [pid 8902] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8902] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8901] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8902] <... futex resumed>) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8901] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8902] <... sendmsg resumed>) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8901] <... futex resumed>) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8902] <... sendmsg resumed>) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8901] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8901] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8902] <... sendmsg resumed>) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8901] <... mprotect resumed>) = 0 [pid 8902] <... sendmsg resumed>) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8901] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8902] <... sendmsg resumed>) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8901] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8902] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8902] <... sendmsg resumed>) = 0 [pid 8902] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8902] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8903 attached [pid 8901] <... clone3 resumed> => {parent_tid=[8903]}, 88) = 8903 [pid 8901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8901] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8901] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8903] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8903] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8903] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8901] <... futex resumed>) = 0 [pid 8901] exit_group(0) = ? [pid 8902] <... futex resumed>) = ? [pid 8903] +++ exited with 0 +++ [pid 8902] +++ exited with 0 +++ [pid 8901] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8904 ./strace-static-x86_64: Process 8904 attached [pid 8904] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8904] setpgid(0, 0) = 0 [pid 8904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8904] write(3, "1000", 4) = 4 [pid 8904] close(3) = 0 [pid 8904] write(1, "executing program\n", 18executing program ) = 18 [pid 8904] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8904] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8904] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8905 attached => {parent_tid=[8905]}, 88) = 8905 [pid 8905] set_robust_list(0x7ff2a103f9a0, 24 [pid 8904] rt_sigprocmask(SIG_SETMASK, [], [pid 8905] <... set_robust_list resumed>) = 0 [pid 8904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8905] rt_sigprocmask(SIG_SETMASK, [], [pid 8904] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8904] <... futex resumed>) = 0 [pid 8905] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8904] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8905] <... socketpair resumed>[3, 4]) = 0 [pid 8905] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8904] <... futex resumed>) = 0 [pid 8905] <... futex resumed>) = 1 [pid 8904] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] <... futex resumed>) = 0 [pid 8905] <... sendmsg resumed>) = 0 [pid 8904] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] <... futex resumed>) = 0 [pid 8905] <... sendmsg resumed>) = 0 [pid 8904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8904] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8905] <... sendmsg resumed>) = 0 [pid 8904] <... mprotect resumed>) = 0 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8905] <... sendmsg resumed>) = 0 [pid 8904] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8906 attached [pid 8905] <... sendmsg resumed>) = 0 [pid 8904] <... clone3 resumed> => {parent_tid=[8906]}, 88) = 8906 [pid 8906] set_robust_list(0x7ff2a101e9a0, 24 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] rt_sigprocmask(SIG_SETMASK, [], [pid 8906] <... set_robust_list resumed>) = 0 [pid 8905] <... sendmsg resumed>) = 0 [pid 8904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8906] rt_sigprocmask(SIG_SETMASK, [], [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8905] <... sendmsg resumed>) = 0 [pid 8904] <... futex resumed>) = 0 [pid 8906] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8904] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8906] <... setsockopt resumed>) = 0 [pid 8905] <... sendmsg resumed>) = 0 [pid 8906] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8906] <... futex resumed>) = 1 [pid 8904] <... futex resumed>) = 0 [pid 8906] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8905] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8905] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8905] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8904] exit_group(0 [pid 8905] <... futex resumed>) = 231 [pid 8904] <... exit_group resumed>) = ? [pid 8906] <... futex resumed>) = ? [pid 8906] +++ exited with 0 +++ [pid 8905] +++ exited with 0 +++ [pid 8904] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8907 ./strace-static-x86_64: Process 8907 attached [pid 8907] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8907] setpgid(0, 0) = 0 [pid 8907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8907] write(3, "1000", 4) = 4 [pid 8907] close(3) = 0 executing program [pid 8907] write(1, "executing program\n", 18) = 18 [pid 8907] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8907] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8907] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8908 attached [pid 8908] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8908] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8907] <... clone3 resumed> => {parent_tid=[8908]}, 88) = 8908 [pid 8907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8907] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8908] <... futex resumed>) = 0 [pid 8907] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8908] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8908] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8907] <... futex resumed>) = 0 [pid 8907] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8907] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8907] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8907] <... clone3 resumed> => {parent_tid=[8909]}, 88) = 8909 [pid 8907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8907] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8907] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8909 attached [pid 8909] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8909] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8909] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8909] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8908] <... sendmsg resumed>) = 0 [pid 8907] <... futex resumed>) = 0 [pid 8909] <... futex resumed>) = 1 [pid 8909] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8908] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8908] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8907] exit_group(0 [pid 8908] <... futex resumed>) = ? [pid 8909] <... futex resumed>) = ? [pid 8907] <... exit_group resumed>) = ? [pid 8908] +++ exited with 0 +++ [pid 8909] +++ exited with 0 +++ [pid 8907] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8910 ./strace-static-x86_64: Process 8910 attached [pid 8910] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8910] setpgid(0, 0) = 0 [pid 8910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8910] write(3, "1000", 4) = 4 [pid 8910] close(3) = 0 executing program [pid 8910] write(1, "executing program\n", 18) = 18 [pid 8910] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8910] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8910] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8911 attached => {parent_tid=[8911]}, 88) = 8911 [pid 8911] set_robust_list(0x7ff2a103f9a0, 24 [pid 8910] rt_sigprocmask(SIG_SETMASK, [], [pid 8911] <... set_robust_list resumed>) = 0 [pid 8910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8911] rt_sigprocmask(SIG_SETMASK, [], [pid 8910] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8910] <... futex resumed>) = 0 [pid 8911] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8910] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8911] <... socketpair resumed>[3, 4]) = 0 [pid 8911] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8910] <... futex resumed>) = 0 [pid 8911] <... futex resumed>) = 1 [pid 8910] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8910] <... futex resumed>) = 0 [pid 8911] <... sendmsg resumed>) = 0 [pid 8910] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8910] <... futex resumed>) = 0 [pid 8911] <... sendmsg resumed>) = 0 [pid 8910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8910] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8911] <... sendmsg resumed>) = 0 [pid 8910] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8910] <... mprotect resumed>) = 0 [pid 8911] <... sendmsg resumed>) = 0 [pid 8910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8911] <... sendmsg resumed>) = 0 [pid 8911] 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 8912 attached [pid 8910] <... clone3 resumed> => {parent_tid=[8912]}, 88) = 8912 [pid 8912] set_robust_list(0x7ff2a101e9a0, 24 [pid 8911] <... sendmsg resumed>) = 0 [pid 8910] rt_sigprocmask(SIG_SETMASK, [], [pid 8912] <... set_robust_list resumed>) = 0 [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8912] rt_sigprocmask(SIG_SETMASK, [], [pid 8911] <... sendmsg resumed>) = 0 [pid 8910] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8910] <... futex resumed>) = 0 [pid 8912] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8911] <... sendmsg resumed>) = 0 [pid 8910] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8912] <... setsockopt resumed>) = 0 [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8912] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8911] <... sendmsg resumed>) = 0 [pid 8912] <... futex resumed>) = 1 [pid 8910] <... futex resumed>) = 0 [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8912] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8911] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8911] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8911] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8910] exit_group(0 [pid 8911] <... futex resumed>) = ? [pid 8910] <... exit_group resumed>) = ? [pid 8912] <... futex resumed>) = ? [pid 8911] +++ exited with 0 +++ [pid 8912] +++ exited with 0 +++ [pid 8910] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8910, si_uid=0, si_status=0, 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 8913 attached , child_tidptr=0x55556cb53690) = 8913 [pid 8913] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8913] setpgid(0, 0) = 0 [pid 8913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8913] write(3, "1000", 4executing program ) = 4 [pid 8913] close(3) = 0 [pid 8913] write(1, "executing program\n", 18) = 18 [pid 8913] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8913] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8913] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8914]}, 88) = 8914 [pid 8913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8913] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8913] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8914 attached [pid 8914] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8914] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8914] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8913] <... futex resumed>) = 0 [pid 8913] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8913] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8913] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8913] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8913] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8915]}, 88) = 8915 [pid 8914] <... sendmsg resumed>) = 0 [pid 8913] rt_sigprocmask(SIG_SETMASK, [], [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8913] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8913] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8915 attached [pid 8915] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8914] <... sendmsg resumed>) = 0 [pid 8915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8915] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8915] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8913] <... futex resumed>) = 0 [pid 8915] <... futex resumed>) = 1 [pid 8915] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8914] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8914] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8913] exit_group(0) = ? [pid 8914] <... futex resumed>) = ? [pid 8914] +++ exited with 0 +++ [pid 8915] <... futex resumed>) = ? [pid 8915] +++ exited with 0 +++ [pid 8913] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8916 ./strace-static-x86_64: Process 8916 attached [pid 8916] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8916] setpgid(0, 0) = 0 [pid 8916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8916] write(3, "1000", 4) = 4 [pid 8916] close(3) = 0 executing program [pid 8916] write(1, "executing program\n", 18) = 18 [pid 8916] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8916] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8916] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8917]}, 88) = 8917 ./strace-static-x86_64: Process 8917 attached [pid 8916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8916] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8916] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8917] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8917] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8917] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8916] <... futex resumed>) = 0 [pid 8916] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8916] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8916] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8918]}, 88) = 8918 [pid 8917] <... sendmsg resumed>) = 0 [pid 8916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8916] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8916] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8918 attached [pid 8918] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8918] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8918] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8916] <... futex resumed>) = 0 [pid 8918] <... futex resumed>) = 1 [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8918] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8917] <... sendmsg resumed>) = 0 [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8917] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8917] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8916] exit_group(0 [pid 8917] <... futex resumed>) = ? [pid 8918] <... futex resumed>) = ? [pid 8916] <... exit_group resumed>) = ? [pid 8917] +++ exited with 0 +++ [pid 8918] +++ exited with 0 +++ [pid 8916] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8916, si_uid=0, si_status=0, 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 8919 attached , child_tidptr=0x55556cb53690) = 8919 [pid 8919] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8919] setpgid(0, 0) = 0 [pid 8919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8919] write(3, "1000", 4) = 4 [pid 8919] close(3) = 0 [pid 8919] write(1, "executing program\n", 18executing program ) = 18 [pid 8919] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8919] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8919] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8919] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8920 attached => {parent_tid=[8920]}, 88) = 8920 [pid 8920] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8920] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8920] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8919] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8920] <... futex resumed>) = 0 [pid 8920] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8919] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8920] <... socketpair resumed>[3, 4]) = 0 [pid 8920] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8920] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8919] <... futex resumed>) = 0 [pid 8919] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8920] <... futex resumed>) = 0 [pid 8919] <... futex resumed>) = 1 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8919] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8920] <... sendmsg resumed>) = 0 [pid 8919] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8919] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8920] <... sendmsg resumed>) = 0 [pid 8919] <... mprotect resumed>) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8919] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8920] <... sendmsg resumed>) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8919] <... clone3 resumed> => {parent_tid=[8921]}, 88) = 8921 [pid 8920] <... sendmsg resumed>) = 0 [pid 8919] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8921 attached NULL, 8) = 0 [pid 8919] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8919] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8920] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8920] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8921] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8921] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8921] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8921] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8919] <... futex resumed>) = 0 [pid 8919] exit_group(0) = ? [pid 8920] <... futex resumed>) = ? [pid 8920] +++ exited with 0 +++ [pid 8921] <... futex resumed>) = ? [pid 8921] +++ exited with 0 +++ [pid 8919] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8919, si_uid=0, si_status=0, 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 8922 attached , child_tidptr=0x55556cb53690) = 8922 [pid 8922] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8922] setpgid(0, 0) = 0 [pid 8922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8922] write(3, "1000", 4) = 4 [pid 8922] close(3) = 0 [pid 8922] write(1, "executing program\n", 18executing program ) = 18 [pid 8922] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8922] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8922] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8923 attached [pid 8923] set_robust_list(0x7ff2a103f9a0, 24 [pid 8922] <... clone3 resumed> => {parent_tid=[8923]}, 88) = 8923 [pid 8923] <... set_robust_list resumed>) = 0 [pid 8922] rt_sigprocmask(SIG_SETMASK, [], [pid 8923] rt_sigprocmask(SIG_SETMASK, [], [pid 8922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8922] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8923] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8922] <... futex resumed>) = 0 [pid 8922] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8923] <... socketpair resumed>[3, 4]) = 0 [pid 8923] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8922] <... futex resumed>) = 0 [pid 8922] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8922] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8922] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8923] <... sendmsg resumed>) = 0 [pid 8922] <... clone3 resumed> => {parent_tid=[8924]}, 88) = 8924 [pid 8922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8922] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8922] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8924 attached [pid 8924] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8924] rt_sigprocmask(SIG_SETMASK, [], [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8924] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8924] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8922] <... futex resumed>) = 0 [pid 8924] <... futex resumed>) = 1 [pid 8924] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8923] <... sendmsg resumed>) = 0 [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8923] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8923] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8922] exit_group(0) = ? [pid 8924] <... futex resumed>) = ? [pid 8923] <... futex resumed>) = ? [pid 8924] +++ exited with 0 +++ [pid 8923] +++ exited with 0 +++ [pid 8922] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8922, si_uid=0, si_status=0, 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 8925 attached , child_tidptr=0x55556cb53690) = 8925 [pid 8925] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8925] setpgid(0, 0) = 0 [pid 8925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8925] write(3, "1000", 4) = 4 [pid 8925] close(3) = 0 [pid 8925] write(1, "executing program\n", 18executing program ) = 18 [pid 8925] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8925] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8925] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8926 attached => {parent_tid=[8926]}, 88) = 8926 [pid 8926] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8926] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8925] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8926] <... futex resumed>) = 0 [pid 8926] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8926] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8926] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8925] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8925] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8926] <... futex resumed>) = 0 [pid 8925] <... futex resumed>) = 1 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8925] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8926] <... sendmsg resumed>) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8925] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8925] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8926] <... sendmsg resumed>) = 0 [pid 8925] <... mprotect resumed>) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8926] <... sendmsg resumed>) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8925] <... clone3 resumed> => {parent_tid=[8927]}, 88) = 8927 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8925] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8926] <... sendmsg resumed>) = 0 [pid 8925] <... futex resumed>) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8925] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8926] <... sendmsg resumed>) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] 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 8927 attached [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8927] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8927] rt_sigprocmask(SIG_SETMASK, [], [pid 8926] <... sendmsg resumed>) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8926] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8926] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8927] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8927] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8925] <... futex resumed>) = 0 [pid 8925] exit_group(0) = ? [pid 8926] <... futex resumed>) = ? [pid 8926] +++ exited with 0 +++ [pid 8927] +++ exited with 0 +++ [pid 8925] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8928 ./strace-static-x86_64: Process 8928 attached [pid 8928] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8928] setpgid(0, 0) = 0 [pid 8928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8928] write(3, "1000", 4executing program ) = 4 [pid 8928] close(3) = 0 [pid 8928] write(1, "executing program\n", 18) = 18 [pid 8928] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8928] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8928] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8928] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8929 attached [pid 8929] set_robust_list(0x7ff2a103f9a0, 24 [pid 8928] <... clone3 resumed> => {parent_tid=[8929]}, 88) = 8929 [pid 8929] <... set_robust_list resumed>) = 0 [pid 8928] rt_sigprocmask(SIG_SETMASK, [], [pid 8929] rt_sigprocmask(SIG_SETMASK, [], [pid 8928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8928] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8929] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8928] <... futex resumed>) = 0 [pid 8928] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8929] <... socketpair resumed>[3, 4]) = 0 [pid 8929] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8928] <... futex resumed>) = 0 [pid 8928] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8928] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8928] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8928] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8928] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8930]}, 88) = 8930 [pid 8928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8928] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8928] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8930 attached [pid 8930] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8930] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8930] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8928] <... futex resumed>) = 0 [pid 8930] <... futex resumed>) = 1 [pid 8930] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8929] <... sendmsg resumed>) = 0 [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8929] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8929] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8928] exit_group(0) = ? [pid 8930] <... futex resumed>) = ? [pid 8930] +++ exited with 0 +++ [pid 8929] <... futex resumed>) = ? [pid 8929] +++ exited with 0 +++ [pid 8928] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8928, si_uid=0, si_status=0, 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 8931 attached , child_tidptr=0x55556cb53690) = 8931 [pid 8931] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8931] setpgid(0, 0) = 0 [pid 8931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8931] write(3, "1000", 4) = 4 [pid 8931] close(3) = 0 [pid 8931] write(1, "executing program\n", 18executing program ) = 18 [pid 8931] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8931] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8931] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8932 attached => {parent_tid=[8932]}, 88) = 8932 [pid 8932] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8932] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8931] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8932] <... futex resumed>) = 0 [pid 8932] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8931] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8932] <... socketpair resumed>[3, 4]) = 0 [pid 8932] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8931] <... futex resumed>) = 0 [pid 8931] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8931] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8931] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8931] <... clone3 resumed> => {parent_tid=[8933]}, 88) = 8933 [pid 8931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8931] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8931] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8933 attached [pid 8933] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8933] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8933] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8931] <... futex resumed>) = 0 [pid 8933] <... futex resumed>) = 1 [pid 8933] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8932] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8932] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8931] exit_group(0 [pid 8932] <... futex resumed>) = ? [pid 8933] <... futex resumed>) = ? [pid 8931] <... exit_group resumed>) = ? [pid 8932] +++ exited with 0 +++ [pid 8933] +++ exited with 0 +++ [pid 8931] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8931, si_uid=0, si_status=0, 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 8934 attached , child_tidptr=0x55556cb53690) = 8934 [pid 8934] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8934] setpgid(0, 0) = 0 [pid 8934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8934] write(3, "1000", 4) = 4 [pid 8934] close(3) = 0 [pid 8934] write(1, "executing program\n", 18executing program ) = 18 [pid 8934] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8934] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8934] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8935 attached => {parent_tid=[8935]}, 88) = 8935 [pid 8935] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8935] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8934] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8935] <... futex resumed>) = 0 [pid 8935] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8934] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8935] <... socketpair resumed>[3, 4]) = 0 [pid 8935] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8934] <... futex resumed>) = 0 [pid 8934] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8934] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8934] <... futex resumed>) = 0 [pid 8934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8934] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8936]}, 88) = 8936 [pid 8934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8934] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8934] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8936 attached [pid 8936] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8936] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8936] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8934] <... futex resumed>) = 0 [pid 8936] <... futex resumed>) = 1 [pid 8936] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8935] <... sendmsg resumed>) = 0 [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8935] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8935] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8934] exit_group(0 [pid 8935] <... futex resumed>) = ? [pid 8936] <... futex resumed>) = ? [pid 8934] <... exit_group resumed>) = ? [pid 8935] +++ exited with 0 +++ [pid 8936] +++ exited with 0 +++ [pid 8934] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8937 ./strace-static-x86_64: Process 8937 attached [pid 8937] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8937] setpgid(0, 0) = 0 [pid 8937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8937] write(3, "1000", 4) = 4 [pid 8937] close(3) = 0 [pid 8937] write(1, "executing program\n", 18executing program ) = 18 [pid 8937] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8937] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8937] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8938 attached => {parent_tid=[8938]}, 88) = 8938 [pid 8938] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8938] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8937] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8938] <... futex resumed>) = 0 [pid 8937] <... futex resumed>) = 1 [pid 8938] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8937] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8938] <... socketpair resumed>[3, 4]) = 0 [pid 8938] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8938] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8937] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8938] <... futex resumed>) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8938] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8938] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8937] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8938] <... futex resumed>) = 0 [pid 8937] <... futex resumed>) = 1 [pid 8938] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8938] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8938] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8937] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8937] exit_group(0) = ? [pid 8938] <... futex resumed>) = ? [pid 8938] +++ exited with 0 +++ [pid 8937] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8939 ./strace-static-x86_64: Process 8939 attached [pid 8939] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8939] setpgid(0, 0) = 0 [pid 8939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8939] write(3, "1000", 4) = 4 [pid 8939] close(3) = 0 [pid 8939] write(1, "executing program\n", 18executing program ) = 18 [pid 8939] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8939] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8939] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8940]}, 88) = 8940 [pid 8939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8939] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8939] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8940 attached [pid 8940] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8940] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8940] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8939] <... futex resumed>) = 0 [pid 8939] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8939] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8939] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8940] <... sendmsg resumed>) = 0 [pid 8939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8941]}, 88) = 8941 ./strace-static-x86_64: Process 8941 attached [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8939] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8939] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8941] set_robust_list(0x7ff2a101e9a0, 24 [pid 8940] <... sendmsg resumed>) = 0 [pid 8941] <... set_robust_list resumed>) = 0 [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8941] rt_sigprocmask(SIG_SETMASK, [], [pid 8940] <... sendmsg resumed>) = 0 [pid 8941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8941] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8940] <... sendmsg resumed>) = 0 [pid 8941] <... setsockopt resumed>) = 0 [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8941] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8940] <... sendmsg resumed>) = 0 [pid 8941] <... futex resumed>) = 1 [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8939] <... futex resumed>) = 0 [pid 8941] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8940] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8940] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8940] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8939] exit_group(0 [pid 8940] <... futex resumed>) = ? [pid 8939] <... exit_group resumed>) = ? [pid 8940] +++ exited with 0 +++ [pid 8941] <... futex resumed>) = ? [pid 8941] +++ exited with 0 +++ [pid 8939] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8939, si_uid=0, si_status=0, 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 8942 attached , child_tidptr=0x55556cb53690) = 8942 [pid 8942] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8942] setpgid(0, 0) = 0 [pid 8942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8942] write(3, "1000", 4) = 4 [pid 8942] close(3) = 0 [pid 8942] write(1, "executing program\n", 18executing program ) = 18 [pid 8942] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8942] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8942] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8943 attached [pid 8943] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8943] rt_sigprocmask(SIG_SETMASK, [], [pid 8942] <... clone3 resumed> => {parent_tid=[8943]}, 88) = 8943 [pid 8943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8943] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8942] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8943] <... futex resumed>) = 0 [pid 8943] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8942] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8943] <... socketpair resumed>[3, 4]) = 0 [pid 8943] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8943] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8942] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8943] <... futex resumed>) = 0 [pid 8942] <... futex resumed>) = 1 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8942] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8943] <... sendmsg resumed>) = 0 [pid 8942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8942] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8942] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8943] <... sendmsg resumed>) = 0 [pid 8942] <... mprotect resumed>) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8943] <... sendmsg resumed>) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8942] <... clone3 resumed> => {parent_tid=[8944]}, 88) = 8944 [pid 8942] rt_sigprocmask(SIG_SETMASK, [], [pid 8943] <... sendmsg resumed>) = 0 [pid 8942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8942] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8942] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8943] <... sendmsg resumed>) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] 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 8944 attached [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8944] set_robust_list(0x7ff2a101e9a0, 24 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8944] <... set_robust_list resumed>) = 0 [pid 8943] <... sendmsg resumed>) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8944] rt_sigprocmask(SIG_SETMASK, [], [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8944] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8943] <... sendmsg resumed>) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8944] <... setsockopt resumed>) = 0 [pid 8943] <... sendmsg resumed>) = 0 [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8943] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8943] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8943] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8944] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8942] <... futex resumed>) = 0 [pid 8942] exit_group(0) = ? [pid 8944] ????() = ? [pid 8943] <... futex resumed>) = ? [pid 8943] +++ exited with 0 +++ [pid 8944] +++ exited with 0 +++ [pid 8942] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8945 ./strace-static-x86_64: Process 8945 attached [pid 8945] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8945] setpgid(0, 0) = 0 [pid 8945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8945] write(3, "1000", 4) = 4 [pid 8945] close(3) = 0 [pid 8945] write(1, "executing program\n", 18executing program ) = 18 [pid 8945] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8945] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8945] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8946 attached => {parent_tid=[8946]}, 88) = 8946 [pid 8946] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8946] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8945] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8946] <... futex resumed>) = 0 [pid 8946] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8945] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8946] <... socketpair resumed>[3, 4]) = 0 [pid 8946] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8946] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8945] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8946] <... futex resumed>) = 0 [pid 8945] <... futex resumed>) = 1 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8945] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8946] <... sendmsg resumed>) = 0 [pid 8945] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8945] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8946] <... sendmsg resumed>) = 0 [pid 8945] <... mprotect resumed>) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8946] <... sendmsg resumed>) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8945] <... clone3 resumed> => {parent_tid=[8947]}, 88) = 8947 [pid 8945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8946] <... sendmsg resumed>) = 0 [pid 8945] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8945] <... futex resumed>) = 0 [pid 8945] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8946] <... sendmsg resumed>) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] 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 8947 attached [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8947] set_robust_list(0x7ff2a101e9a0, 24 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8947] <... set_robust_list resumed>) = 0 [pid 8946] <... sendmsg resumed>) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8946] <... sendmsg resumed>) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8947] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8946] <... sendmsg resumed>) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8947] <... setsockopt resumed>) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8946] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8946] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8946] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8947] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8945] <... futex resumed>) = 0 [pid 8945] exit_group(0 [pid 8947] exit_group(0 [pid 8945] <... exit_group resumed>) = ? [pid 8947] +++ exited with 0 +++ [pid 8946] <... futex resumed>) = ? [pid 8946] +++ exited with 0 +++ [pid 8945] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8945, si_uid=0, si_status=0, 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 8948 attached , child_tidptr=0x55556cb53690) = 8948 [pid 8948] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8948] setpgid(0, 0) = 0 [pid 8948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8948] write(3, "1000", 4) = 4 [pid 8948] close(3) = 0 executing program [pid 8948] write(1, "executing program\n", 18) = 18 [pid 8948] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8948] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8948] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8948] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8949 attached => {parent_tid=[8949]}, 88) = 8949 [pid 8949] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8949] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8949] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8948] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8949] <... futex resumed>) = 0 [pid 8949] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8949] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8949] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8948] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8948] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8949] <... futex resumed>) = 0 [pid 8948] <... futex resumed>) = 1 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8948] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8949] <... sendmsg resumed>) = 0 [pid 8948] <... futex resumed>) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8949] <... sendmsg resumed>) = 0 [pid 8948] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8948] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8949] <... sendmsg resumed>) = 0 [pid 8948] <... mprotect resumed>) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8948] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8949] <... sendmsg resumed>) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8948] <... clone3 resumed> => {parent_tid=[8950]}, 88) = 8950 [pid 8949] <... sendmsg resumed>) = 0 [pid 8948] rt_sigprocmask(SIG_SETMASK, [], [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8948] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8949] <... sendmsg resumed>) = 0 [pid 8948] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] 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 8950 attached [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8949] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8949] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8950] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8950] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8950] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8948] <... futex resumed>) = 0 [pid 8948] exit_group(0) = ? [pid 8949] <... futex resumed>) = ? [pid 8949] +++ exited with 0 +++ [pid 8950] +++ exited with 0 +++ [pid 8948] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8951 ./strace-static-x86_64: Process 8951 attached [pid 8951] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8951] setpgid(0, 0) = 0 [pid 8951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8951] write(3, "1000", 4) = 4 [pid 8951] close(3) = 0 executing program [pid 8951] write(1, "executing program\n", 18) = 18 [pid 8951] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8951] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8951] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8951] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8952 attached => {parent_tid=[8952]}, 88) = 8952 [pid 8952] set_robust_list(0x7ff2a103f9a0, 24 [pid 8951] rt_sigprocmask(SIG_SETMASK, [], [pid 8952] <... set_robust_list resumed>) = 0 [pid 8952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8952] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8951] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8952] <... futex resumed>) = 0 [pid 8952] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8951] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8952] <... socketpair resumed>[3, 4]) = 0 [pid 8952] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8952] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8951] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8952] <... futex resumed>) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8951] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8951] <... futex resumed>) = 0 [pid 8951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8952] <... sendmsg resumed>) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8951] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8951] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8952] <... sendmsg resumed>) = 0 [pid 8951] <... mprotect resumed>) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8951] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8952] <... sendmsg resumed>) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8951] <... clone3 resumed> => {parent_tid=[8953]}, 88) = 8953 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8952] <... sendmsg resumed>) = 0 [pid 8951] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8951] <... futex resumed>) = 0 [pid 8951] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8952] <... sendmsg resumed>) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] 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 8953 attached [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8953] set_robust_list(0x7ff2a101e9a0, 24 [pid 8952] <... sendmsg resumed>) = 0 [pid 8952] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8952] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8952] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8953] <... set_robust_list resumed>) = 0 [pid 8953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8953] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8953] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8951] <... futex resumed>) = 0 [pid 8951] exit_group(0) = ? [pid 8952] <... futex resumed>) = ? [pid 8952] +++ exited with 0 +++ [pid 8953] +++ exited with 0 +++ [pid 8951] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8954 ./strace-static-x86_64: Process 8954 attached [pid 8954] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8954] setpgid(0, 0) = 0 [pid 8954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8954] write(3, "1000", 4) = 4 [pid 8954] close(3) = 0 [pid 8954] write(1, "executing program\n", 18executing program ) = 18 [pid 8954] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8954] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8954] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8954] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8955 attached => {parent_tid=[8955]}, 88) = 8955 [pid 8955] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8955] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8954] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8955] <... futex resumed>) = 0 [pid 8955] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8955] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8955] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8954] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8954] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8955] <... futex resumed>) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8954] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8955] <... sendmsg resumed>) = 0 [pid 8954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8954] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8954] <... mprotect resumed>) = 0 [pid 8955] <... sendmsg resumed>) = 0 [pid 8954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8955] <... sendmsg resumed>) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8954] <... clone3 resumed> => {parent_tid=[8956]}, 88) = 8956 [pid 8955] <... sendmsg resumed>) = 0 [pid 8954] rt_sigprocmask(SIG_SETMASK, [], [pid 8955] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8954] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8955] <... sendmsg resumed>) = 0 [pid 8955] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8954] <... futex resumed>) = 0 [pid 8955] <... futex resumed>) = 0 [pid 8954] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8955] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8956 attached [pid 8956] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8956] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8956] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8954] <... futex resumed>) = 0 [pid 8956] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8954] exit_group(0) = ? [pid 8955] <... futex resumed>) = ? [pid 8955] +++ exited with 0 +++ [pid 8956] <... futex resumed>) = ? [pid 8956] +++ exited with 0 +++ [pid 8954] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8954, si_uid=0, si_status=0, 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 8957 attached , child_tidptr=0x55556cb53690) = 8957 [pid 8957] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8957] setpgid(0, 0) = 0 [pid 8957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8957] write(3, "1000", 4) = 4 executing program [pid 8957] close(3) = 0 [pid 8957] write(1, "executing program\n", 18) = 18 [pid 8957] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8957] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8957] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8957] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8958 attached => {parent_tid=[8958]}, 88) = 8958 [pid 8958] set_robust_list(0x7ff2a103f9a0, 24 [pid 8957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8958] <... set_robust_list resumed>) = 0 [pid 8957] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8958] rt_sigprocmask(SIG_SETMASK, [], [pid 8957] <... futex resumed>) = 0 [pid 8958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8957] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8958] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8958] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8957] <... futex resumed>) = 0 [pid 8957] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8957] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8957] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8957] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8958] <... sendmsg resumed>) = 0 [pid 8957] <... clone3 resumed> => {parent_tid=[8959]}, 88) = 8959 [pid 8957] rt_sigprocmask(SIG_SETMASK, [], [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8957] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8957] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8959 attached [pid 8959] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8959] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8959] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8958] <... sendmsg resumed>) = 0 [pid 8957] <... futex resumed>) = 0 [pid 8959] <... futex resumed>) = 1 [pid 8959] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8958] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8958] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8957] exit_group(0 [pid 8959] <... futex resumed>) = 231 [pid 8958] <... futex resumed>) = ? [pid 8957] <... exit_group resumed>) = ? [pid 8958] +++ exited with 0 +++ [pid 8959] +++ exited with 0 +++ [pid 8957] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8957, si_uid=0, si_status=0, 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 8960 attached , child_tidptr=0x55556cb53690) = 8960 [pid 8960] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8960] setpgid(0, 0) = 0 [pid 8960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8960] write(3, "1000", 4executing program ) = 4 [pid 8960] close(3) = 0 [pid 8960] write(1, "executing program\n", 18) = 18 [pid 8960] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8960] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8960] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8960] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8961]}, 88) = 8961 ./strace-static-x86_64: Process 8961 attached [pid 8960] rt_sigprocmask(SIG_SETMASK, [], [pid 8961] set_robust_list(0x7ff2a103f9a0, 24 [pid 8960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8960] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8960] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8961] <... set_robust_list resumed>) = 0 [pid 8961] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8961] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8961] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8960] <... futex resumed>) = 0 [pid 8960] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8960] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8960] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8960] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8960] <... clone3 resumed> => {parent_tid=[8962]}, 88) = 8962 [pid 8960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8960] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8960] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8962 attached [pid 8962] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8962] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8962] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8960] <... futex resumed>) = 0 [pid 8962] <... futex resumed>) = 1 [pid 8962] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8961] <... sendmsg resumed>) = 0 [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8961] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8960] exit_group(0) = ? [pid 8961] <... futex resumed>) = ? [pid 8962] <... futex resumed>) = ? [pid 8962] +++ exited with 0 +++ [pid 8961] +++ exited with 0 +++ [pid 8960] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8963 ./strace-static-x86_64: Process 8963 attached [pid 8963] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8963] setpgid(0, 0) = 0 [pid 8963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8963] write(3, "1000", 4) = 4 [pid 8963] close(3) = 0 executing program [pid 8963] write(1, "executing program\n", 18) = 18 [pid 8963] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8963] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8963] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8964]}, 88) = 8964 [pid 8963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8963] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8963] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8964 attached [pid 8964] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8964] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8964] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8963] <... futex resumed>) = 0 [pid 8963] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8963] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8963] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8965]}, 88) = 8965 [pid 8963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8963] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8963] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8964] <... futex resumed>) = 1 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8964] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8964] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8965 attached [pid 8965] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8965] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8965] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8963] <... futex resumed>) = 0 [pid 8963] exit_group(0) = ? [pid 8964] <... futex resumed>) = ? [pid 8964] +++ exited with 0 +++ [pid 8965] <... futex resumed>) = ? [pid 8965] +++ exited with 0 +++ [pid 8963] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8966 ./strace-static-x86_64: Process 8966 attached [pid 8966] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8966] setpgid(0, 0) = 0 [pid 8966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8966] write(3, "1000", 4) = 4 executing program [pid 8966] close(3) = 0 [pid 8966] write(1, "executing program\n", 18) = 18 [pid 8966] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8966] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8966] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8967 attached [pid 8967] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8967] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8967] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8966] <... clone3 resumed> => {parent_tid=[8967]}, 88) = 8967 [pid 8966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8966] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8967] <... futex resumed>) = 0 [pid 8967] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8966] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8967] <... socketpair resumed>[3, 4]) = 0 [pid 8967] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8966] <... futex resumed>) = 0 [pid 8966] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8966] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8966] <... futex resumed>) = 0 [pid 8966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8966] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8966] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8968]}, 88) = 8968 [pid 8966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8966] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8966] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8967] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8968 attached [pid 8968] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8968] rt_sigprocmask(SIG_SETMASK, [], [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8968] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8968] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8966] <... futex resumed>) = 0 [pid 8968] <... futex resumed>) = 1 [pid 8968] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8967] <... sendmsg resumed>) = 0 [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8967] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8966] exit_group(0 [pid 8967] <... futex resumed>) = ? [pid 8966] <... exit_group resumed>) = ? [pid 8967] +++ exited with 0 +++ [pid 8968] <... futex resumed>) = ? [pid 8968] +++ exited with 0 +++ [pid 8966] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8966, si_uid=0, si_status=0, 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 8969 attached , child_tidptr=0x55556cb53690) = 8969 [pid 8969] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8969] setpgid(0, 0) = 0 [pid 8969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8969] write(3, "1000", 4) = 4 [pid 8969] close(3) = 0 executing program [pid 8969] write(1, "executing program\n", 18) = 18 [pid 8969] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8969] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8969] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8970 attached => {parent_tid=[8970]}, 88) = 8970 [pid 8970] set_robust_list(0x7ff2a103f9a0, 24 [pid 8969] rt_sigprocmask(SIG_SETMASK, [], [pid 8970] <... set_robust_list resumed>) = 0 [pid 8970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8970] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8969] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8970] <... futex resumed>) = 0 [pid 8969] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8970] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8970] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8969] <... futex resumed>) = 0 [pid 8969] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8969] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8969] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8971]}, 88) = 8971 [pid 8969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8969] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8969] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8971 attached [pid 8971] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8971] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8971] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8969] <... futex resumed>) = 0 [pid 8971] <... futex resumed>) = 1 [pid 8971] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8970] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8970] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8969] exit_group(0 [pid 8971] <... futex resumed>) = 231 [pid 8969] <... exit_group resumed>) = ? [pid 8970] <... futex resumed>) = ? [pid 8970] +++ exited with 0 +++ [pid 8971] +++ exited with 0 +++ [pid 8969] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8972 ./strace-static-x86_64: Process 8972 attached [pid 8972] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8972] setpgid(0, 0) = 0 [pid 8972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8972] write(3, "1000", 4) = 4 [pid 8972] close(3) = 0 executing program [pid 8972] write(1, "executing program\n", 18) = 18 [pid 8972] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8972] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8972] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8973 attached => {parent_tid=[8973]}, 88) = 8973 [pid 8973] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8973] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8972] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8973] <... futex resumed>) = 0 [pid 8973] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8972] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8973] <... socketpair resumed>[3, 4]) = 0 [pid 8973] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8973] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8972] <... futex resumed>) = 0 [pid 8972] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8973] <... futex resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8973] <... sendmsg resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8972] <... futex resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8973] <... sendmsg resumed>) = 0 [pid 8972] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8973] <... sendmsg resumed>) = 0 [pid 8972] <... mprotect resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8973] <... sendmsg resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8973] <... sendmsg resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] <... clone3 resumed> => {parent_tid=[8974]}, 88) = 8974 [pid 8972] rt_sigprocmask(SIG_SETMASK, [], [pid 8973] <... sendmsg resumed>) = 0 [pid 8972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8973] <... sendmsg resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8972] <... futex resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8972] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8973] <... sendmsg resumed>) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] 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 8974 attached ) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8973] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8973] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8974] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8974] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8974] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8974] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8972] <... futex resumed>) = 0 [pid 8972] exit_group(0) = ? [pid 8973] <... futex resumed>) = ? [pid 8973] +++ exited with 0 +++ [pid 8974] +++ exited with 0 +++ [pid 8972] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8972, si_uid=0, si_status=0, 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 8975 attached , child_tidptr=0x55556cb53690) = 8975 [pid 8975] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8975] setpgid(0, 0) = 0 [pid 8975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8975] write(3, "1000", 4) = 4 [pid 8975] close(3) = 0 [pid 8975] write(1, "executing program\n", 18executing program ) = 18 [pid 8975] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8975] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8975] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8976 attached => {parent_tid=[8976]}, 88) = 8976 [pid 8976] set_robust_list(0x7ff2a103f9a0, 24 [pid 8975] rt_sigprocmask(SIG_SETMASK, [], [pid 8976] <... set_robust_list resumed>) = 0 [pid 8976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8976] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8975] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8976] <... futex resumed>) = 0 [pid 8975] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8976] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8976] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8975] <... futex resumed>) = 0 [pid 8975] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8975] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8975] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8977]}, 88) = 8977 [pid 8975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8975] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8975] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8977 attached [pid 8977] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8977] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8977] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8975] <... futex resumed>) = 0 [pid 8977] <... futex resumed>) = 1 [pid 8977] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8976] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8976] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8975] exit_group(0 [pid 8976] <... futex resumed>) = ? [pid 8977] <... futex resumed>) = ? [pid 8975] <... exit_group resumed>) = ? [pid 8976] +++ exited with 0 +++ [pid 8977] +++ exited with 0 +++ [pid 8975] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8975, si_uid=0, si_status=0, 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 8978 attached , child_tidptr=0x55556cb53690) = 8978 [pid 8978] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8978] setpgid(0, 0) = 0 [pid 8978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8978] write(3, "1000", 4) = 4 [pid 8978] close(3) = 0 [pid 8978] write(1, "executing program\n", 18executing program ) = 18 [pid 8978] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8978] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8978] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8979 attached => {parent_tid=[8979]}, 88) = 8979 [pid 8979] set_robust_list(0x7ff2a103f9a0, 24 [pid 8978] rt_sigprocmask(SIG_SETMASK, [], [pid 8979] <... set_robust_list resumed>) = 0 [pid 8979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8979] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8978] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8979] <... futex resumed>) = 0 [pid 8978] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8979] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8979] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8978] <... futex resumed>) = 0 [pid 8978] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8978] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8978] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8980]}, 88) = 8980 [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8978] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8978] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8978] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8980 attached [pid 8980] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8980] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8980] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8978] <... futex resumed>) = 0 [pid 8980] <... futex resumed>) = 1 [pid 8980] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8979] <... sendmsg resumed>) = 0 [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8979] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8979] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8978] exit_group(0 [pid 8979] <... futex resumed>) = ? [pid 8980] <... futex resumed>) = ? [pid 8978] <... exit_group resumed>) = ? [pid 8979] +++ exited with 0 +++ [pid 8980] +++ exited with 0 +++ [pid 8978] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8978, si_uid=0, si_status=0, 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 8981 attached , child_tidptr=0x55556cb53690) = 8981 [pid 8981] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8981] setpgid(0, 0) = 0 [pid 8981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8981] write(3, "1000", 4) = 4 [pid 8981] close(3) = 0 [pid 8981] write(1, "executing program\n", 18executing program ) = 18 [pid 8981] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8981] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8981] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8981] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8982 attached [pid 8982] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8982] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8981] <... clone3 resumed> => {parent_tid=[8982]}, 88) = 8982 [pid 8981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8981] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8982] <... futex resumed>) = 0 [pid 8982] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 8981] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8982] <... socketpair resumed>[3, 4]) = 0 [pid 8982] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8981] <... futex resumed>) = 0 [pid 8981] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8981] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8981] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8981] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 8983 attached => {parent_tid=[8983]}, 88) = 8983 [pid 8981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8981] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8981] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8983] set_robust_list(0x7ff2a101e9a0, 24 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8983] <... set_robust_list resumed>) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8982] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8982] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8983] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8983] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8981] <... futex resumed>) = 0 [pid 8981] exit_group(0) = ? [pid 8982] <... futex resumed>) = ? [pid 8982] +++ exited with 0 +++ [pid 8983] +++ exited with 0 +++ [pid 8981] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8981, si_uid=0, si_status=0, 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 8984 attached , child_tidptr=0x55556cb53690) = 8984 [pid 8984] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8984] setpgid(0, 0) = 0 [pid 8984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8984] write(3, "1000", 4) = 4 [pid 8984] close(3) = 0 [pid 8984] write(1, "executing program\n", 18executing program ) = 18 [pid 8984] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8984] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8984] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8985 attached [pid 8985] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8985] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8984] <... clone3 resumed> => {parent_tid=[8985]}, 88) = 8985 [pid 8984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8984] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8985] <... futex resumed>) = 0 [pid 8984] <... futex resumed>) = 1 [pid 8985] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8984] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8985] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8985] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8984] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8985] <... futex resumed>) = 0 [pid 8984] <... futex resumed>) = 1 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8984] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8985] <... sendmsg resumed>) = 0 [pid 8984] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8984] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8985] <... sendmsg resumed>) = 0 [pid 8984] <... mprotect resumed>) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8984] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8985] <... sendmsg resumed>) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8984] <... clone3 resumed> => {parent_tid=[8986]}, 88) = 8986 [pid 8984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8985] <... sendmsg resumed>) = 0 [pid 8984] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8984] <... futex resumed>) = 0 [pid 8984] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8985] <... sendmsg resumed>) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] 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 8986 attached ) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8986] set_robust_list(0x7ff2a101e9a0, 24 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8986] <... set_robust_list resumed>) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8986] rt_sigprocmask(SIG_SETMASK, [], [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8985] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8985] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8986] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8986] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8984] <... futex resumed>) = 0 [pid 8986] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8984] exit_group(0) = ? [pid 8986] <... futex resumed>) = ? [pid 8985] <... futex resumed>) = ? [pid 8985] +++ exited with 0 +++ [pid 8986] +++ exited with 0 +++ [pid 8984] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8984, si_uid=0, si_status=0, 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 8987 attached , child_tidptr=0x55556cb53690) = 8987 [pid 8987] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8987] setpgid(0, 0) = 0 [pid 8987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8987] write(3, "1000", 4) = 4 executing program [pid 8987] close(3) = 0 [pid 8987] write(1, "executing program\n", 18) = 18 [pid 8987] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8987] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8987] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8987] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8988 attached => {parent_tid=[8988]}, 88) = 8988 [pid 8988] set_robust_list(0x7ff2a103f9a0, 24 [pid 8987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8987] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8987] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8988] <... set_robust_list resumed>) = 0 [pid 8988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8988] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8988] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8987] <... futex resumed>) = 0 [pid 8987] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8987] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8987] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8987] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8987] <... clone3 resumed> => {parent_tid=[8989]}, 88) = 8989 [pid 8987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8987] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8987] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8989 attached [pid 8989] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8989] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8989] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8989] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8987] <... futex resumed>) = 0 [pid 8989] <... futex resumed>) = 1 [pid 8988] <... sendmsg resumed>) = 0 [pid 8989] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8988] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8988] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8987] exit_group(0 [pid 8989] <... futex resumed>) = ? [pid 8987] <... exit_group resumed>) = ? [pid 8989] +++ exited with 0 +++ [pid 8988] <... futex resumed>) = ? [pid 8988] +++ exited with 0 +++ [pid 8987] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8987, si_uid=0, si_status=0, 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 8990 attached , child_tidptr=0x55556cb53690) = 8990 [pid 8990] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8990] setpgid(0, 0) = 0 [pid 8990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8990] write(3, "1000", 4) = 4 [pid 8990] close(3) = 0 executing program [pid 8990] write(1, "executing program\n", 18) = 18 [pid 8990] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8990] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8990] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8990] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8991]}, 88) = 8991 [pid 8990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8990] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8990] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8991 attached [pid 8991] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8991] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8991] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8991] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8990] <... futex resumed>) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] <... futex resumed>) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] <... futex resumed>) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] <... mprotect resumed>) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8991] <... sendmsg resumed>) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] <... clone3 resumed> => {parent_tid=[8992]}, 88) = 8992 [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] rt_sigprocmask(SIG_SETMASK, [], [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8990] <... futex resumed>) = 0 [pid 8991] <... sendmsg resumed>) = 0 [pid 8990] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8991] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8991] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8992 attached [pid 8992] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 8992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8992] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 8992] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8990] <... futex resumed>) = 0 [pid 8990] exit_group(0 [pid 8991] <... futex resumed>) = ? [pid 8990] <... exit_group resumed>) = ? [pid 8991] +++ exited with 0 +++ [pid 8992] <... futex resumed>) = ? [pid 8992] +++ exited with 0 +++ [pid 8990] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8990, si_uid=0, si_status=0, 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 8993 attached , child_tidptr=0x55556cb53690) = 8993 [pid 8993] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8993] setpgid(0, 0) = 0 [pid 8993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8993] write(3, "1000", 4) = 4 [pid 8993] close(3) = 0 [pid 8993] write(1, "executing program\n", 18executing program ) = 18 [pid 8993] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8993] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8993] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8993] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 8994 attached => {parent_tid=[8994]}, 88) = 8994 [pid 8994] set_robust_list(0x7ff2a103f9a0, 24 [pid 8993] rt_sigprocmask(SIG_SETMASK, [], [pid 8994] <... set_robust_list resumed>) = 0 [pid 8993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8993] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8994] rt_sigprocmask(SIG_SETMASK, [], [pid 8993] <... futex resumed>) = 0 [pid 8994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8993] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8994] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8994] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8993] <... futex resumed>) = 0 [pid 8994] <... futex resumed>) = 1 [pid 8993] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] <... futex resumed>) = 0 [pid 8994] <... sendmsg resumed>) = 0 [pid 8993] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] <... futex resumed>) = 0 [pid 8994] <... sendmsg resumed>) = 0 [pid 8993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 8994] <... sendmsg resumed>) = 0 [pid 8993] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] <... mprotect resumed>) = 0 [pid 8994] <... sendmsg resumed>) = 0 [pid 8993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8994] <... sendmsg resumed>) = 0 [pid 8993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] <... clone3 resumed> => {parent_tid=[8995]}, 88) = 8995 [pid 8994] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 8995 attached [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] rt_sigprocmask(SIG_SETMASK, [], [pid 8995] set_robust_list(0x7ff2a101e9a0, 24 [pid 8994] <... sendmsg resumed>) = 0 [pid 8993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8995] <... set_robust_list resumed>) = 0 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 8995] rt_sigprocmask(SIG_SETMASK, [], [pid 8994] <... sendmsg resumed>) = 0 [pid 8993] <... futex resumed>) = 0 [pid 8995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8993] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8995] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8994] <... sendmsg resumed>) = 0 [pid 8995] <... setsockopt resumed>) = 0 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8995] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8995] <... futex resumed>) = 1 [pid 8993] <... futex resumed>) = 0 [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8995] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 8994] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8994] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8993] exit_group(0 [pid 8995] <... futex resumed>) = ? [pid 8994] <... futex resumed>) = ? [pid 8993] <... exit_group resumed>) = ? [pid 8995] +++ exited with 0 +++ [pid 8994] +++ exited with 0 +++ [pid 8993] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 8997 ./strace-static-x86_64: Process 8997 attached [pid 8997] set_robust_list(0x55556cb536a0, 24) = 0 [pid 8997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8997] setpgid(0, 0) = 0 [pid 8997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8997] write(3, "1000", 4) = 4 [pid 8997] close(3) = 0 [pid 8997] write(1, "executing program\n", 18executing program ) = 18 [pid 8997] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8997] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 8997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 8997] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[8998]}, 88) = 8998 [pid 8997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8997] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8997] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8998 attached [pid 8998] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 8998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8998] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 8998] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 8997] <... futex resumed>) = 0 [pid 8997] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8997] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 8997] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[8999]}, 88) = 8999 [pid 8997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8997] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8997] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8998] <... futex resumed>) = 1 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] 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 8999 attached [pid 8999] set_robust_list(0x7ff2a101e9a0, 24 [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 8999] <... set_robust_list resumed>) = 0 [pid 8999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8999] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 8998] <... sendmsg resumed>) = 0 [pid 8999] <... setsockopt resumed>) = 0 [pid 8999] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8997] <... futex resumed>) = 0 [pid 8999] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8998] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 8998] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8998] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8997] exit_group(0) = ? [pid 8999] <... futex resumed>) = ? [pid 8999] +++ exited with 0 +++ [pid 8998] <... futex resumed>) = ? [pid 8998] +++ exited with 0 +++ [pid 8997] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9000 ./strace-static-x86_64: Process 9000 attached [pid 9000] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9000] setpgid(0, 0) = 0 [pid 9000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9000] write(3, "1000", 4) = 4 [pid 9000] close(3) = 0 executing program [pid 9000] write(1, "executing program\n", 18) = 18 [pid 9000] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9000] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9000] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9001 attached [pid 9001] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9001] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9000] <... clone3 resumed> => {parent_tid=[9001]}, 88) = 9001 [pid 9000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9000] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9001] <... futex resumed>) = 0 [pid 9001] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9000] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9001] <... socketpair resumed>[3, 4]) = 0 [pid 9001] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9001] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9000] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9001] <... futex resumed>) = 0 [pid 9000] <... futex resumed>) = 1 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9000] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9001] <... sendmsg resumed>) = 0 [pid 9000] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9000] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9001] <... sendmsg resumed>) = 0 [pid 9000] <... mprotect resumed>) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9001] <... sendmsg resumed>) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9000] <... clone3 resumed> => {parent_tid=[9002]}, 88) = 9002 [pid 9000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 9002 attached [pid 9000] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9001] <... sendmsg resumed>) = 0 [pid 9000] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9002] set_robust_list(0x7ff2a101e9a0, 24 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9002] <... set_robust_list resumed>) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9002] rt_sigprocmask(SIG_SETMASK, [], [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9001] <... sendmsg resumed>) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9001] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9001] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9002] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9002] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9000] <... futex resumed>) = 0 [pid 9000] exit_group(0) = ? [pid 9002] +++ exited with 0 +++ [pid 9001] <... futex resumed>) = ? [pid 9001] +++ exited with 0 +++ [pid 9000] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9000, si_uid=0, si_status=0, 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 9003 attached , child_tidptr=0x55556cb53690) = 9003 [pid 9003] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9003] setpgid(0, 0) = 0 [pid 9003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9003] write(3, "1000", 4) = 4 [pid 9003] close(3) = 0 executing program [pid 9003] write(1, "executing program\n", 18) = 18 [pid 9003] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9003] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9003] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9003] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9004 attached => {parent_tid=[9004]}, 88) = 9004 [pid 9004] set_robust_list(0x7ff2a103f9a0, 24 [pid 9003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9003] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9003] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9004] <... set_robust_list resumed>) = 0 [pid 9004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9004] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9004] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9003] <... futex resumed>) = 0 [pid 9003] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9003] <... futex resumed>) = 0 [pid 9003] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9003] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9003] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9005]}, 88) = 9005 [pid 9004] <... sendmsg resumed>) = 0 [pid 9003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9003] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9003] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9005 attached [pid 9005] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9005] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9005] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9003] <... futex resumed>) = 0 [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9005] <... futex resumed>) = 1 [pid 9005] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9004] <... sendmsg resumed>) = 0 [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9004] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9004] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9003] exit_group(0) = ? [pid 9004] <... futex resumed>) = ? [pid 9004] +++ exited with 0 +++ [pid 9005] <... futex resumed>) = ? [pid 9005] +++ exited with 0 +++ [pid 9003] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9006 ./strace-static-x86_64: Process 9006 attached [pid 9006] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9006] setpgid(0, 0) = 0 [pid 9006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9006] write(3, "1000", 4) = 4 [pid 9006] close(3) = 0 [pid 9006] write(1, "executing program\n", 18executing program ) = 18 [pid 9006] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9006] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9006] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9006] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9007 attached => {parent_tid=[9007]}, 88) = 9007 [pid 9007] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9007] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9006] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9007] <... futex resumed>) = 0 [pid 9007] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9007] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9007] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9006] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9006] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9007] <... futex resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9006] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] <... futex resumed>) = 0 [pid 9007] <... sendmsg resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9007] <... sendmsg resumed>) = 0 [pid 9006] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9007] <... sendmsg resumed>) = 0 [pid 9006] <... mprotect resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9007] <... sendmsg resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9007] <... sendmsg resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] <... clone3 resumed> => {parent_tid=[9008]}, 88) = 9008 [pid 9007] <... sendmsg resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] rt_sigprocmask(SIG_SETMASK, [], [pid 9007] <... sendmsg resumed>) = 0 [pid 9006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9007] <... sendmsg resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9006] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9007] <... sendmsg resumed>) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9007] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9007] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9008 attached [pid 9008] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9008] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9008] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9006] <... futex resumed>) = 0 [pid 9008] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9006] exit_group(0) = ? [pid 9008] <... futex resumed>) = 230 [pid 9007] <... futex resumed>) = ? [pid 9007] +++ exited with 0 +++ [pid 9008] +++ exited with 0 +++ [pid 9006] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9006, si_uid=0, si_status=0, 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 9009 attached , child_tidptr=0x55556cb53690) = 9009 [pid 9009] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9009] setpgid(0, 0) = 0 [pid 9009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9009] write(3, "1000", 4) = 4 [pid 9009] close(3) = 0 [pid 9009] write(1, "executing program\n", 18executing program ) = 18 [pid 9009] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9009] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9009] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9010]}, 88) = 9010 [pid 9009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9009] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9009] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9010 attached [pid 9010] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9010] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9010] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9009] <... futex resumed>) = 0 [pid 9009] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9009] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9009] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9009] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9011]}, 88) = 9011 [pid 9009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9009] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9009] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9010] <... futex resumed>) = 1 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9010] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9010] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9011 attached [pid 9011] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9011] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9011] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9009] <... futex resumed>) = 0 [pid 9009] exit_group(0) = ? [pid 9010] <... futex resumed>) = ? [pid 9010] +++ exited with 0 +++ [pid 9011] <... futex resumed>) = ? [pid 9011] +++ exited with 0 +++ [pid 9009] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9012 ./strace-static-x86_64: Process 9012 attached [pid 9012] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9012] setpgid(0, 0) = 0 [pid 9012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9012] write(3, "1000", 4executing program ) = 4 [pid 9012] close(3) = 0 [pid 9012] write(1, "executing program\n", 18) = 18 [pid 9012] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9012] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9012] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9012] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9013]}, 88) = 9013 ./strace-static-x86_64: Process 9013 attached [pid 9013] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9013] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9012] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9013] <... futex resumed>) = 0 [pid 9013] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9012] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9013] <... socketpair resumed>[3, 4]) = 0 [pid 9013] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9013] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9012] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9013] <... futex resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9012] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9012] <... futex resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9012] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9012] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9013] <... sendmsg resumed>) = 0 [pid 9012] <... mprotect resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9012] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9013] <... sendmsg resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9012] <... clone3 resumed> => {parent_tid=[9014]}, 88) = 9014 [pid 9012] rt_sigprocmask(SIG_SETMASK, [], [pid 9013] <... sendmsg resumed>) = 0 [pid 9012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9012] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 9014 attached [pid 9012] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9013] <... sendmsg resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9014] set_robust_list(0x7ff2a101e9a0, 24 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9014] <... set_robust_list resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9014] rt_sigprocmask(SIG_SETMASK, [], [pid 9013] <... sendmsg resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9014] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9014] <... setsockopt resumed>) = 0 [pid 9013] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9013] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9013] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9014] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9012] <... futex resumed>) = 0 [pid 9012] exit_group(0) = ? [pid 9014] +++ exited with 0 +++ [pid 9013] <... futex resumed>) = ? [pid 9013] +++ exited with 0 +++ [pid 9012] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9012, si_uid=0, si_status=0, 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 9015 attached , child_tidptr=0x55556cb53690) = 9015 [pid 9015] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9015] setpgid(0, 0) = 0 [pid 9015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9015] write(3, "1000", 4) = 4 executing program [pid 9015] close(3) = 0 [pid 9015] write(1, "executing program\n", 18) = 18 [pid 9015] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9015] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9015] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9016 attached [pid 9016] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9016] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9016] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9015] <... clone3 resumed> => {parent_tid=[9016]}, 88) = 9016 [pid 9015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9015] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9016] <... futex resumed>) = 0 [pid 9015] <... futex resumed>) = 1 [pid 9016] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9015] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9016] <... socketpair resumed>[3, 4]) = 0 [pid 9016] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9016] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9015] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9016] <... futex resumed>) = 0 [pid 9015] <... futex resumed>) = 1 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9015] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9016] <... sendmsg resumed>) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9015] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9015] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9016] <... sendmsg resumed>) = 0 [pid 9015] <... mprotect resumed>) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9016] <... sendmsg resumed>) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9015] <... clone3 resumed> => {parent_tid=[9017]}, 88) = 9017 [pid 9016] <... sendmsg resumed>) = 0 [pid 9015] rt_sigprocmask(SIG_SETMASK, [], [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9015] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9015] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9016] <... sendmsg resumed>) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] 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 9017 attached ) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9017] set_robust_list(0x7ff2a101e9a0, 24 [pid 9016] <... sendmsg resumed>) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9017] <... set_robust_list resumed>) = 0 [pid 9016] <... sendmsg resumed>) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9017] rt_sigprocmask(SIG_SETMASK, [], [pid 9016] <... sendmsg resumed>) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9016] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9016] <... sendmsg resumed>) = 0 [pid 9016] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9016] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9017] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9017] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9015] <... futex resumed>) = 0 [pid 9015] exit_group(0) = ? [pid 9016] <... futex resumed>) = ? [pid 9017] +++ exited with 0 +++ [pid 9016] +++ exited with 0 +++ [pid 9015] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9015, si_uid=0, si_status=0, 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 9018 attached , child_tidptr=0x55556cb53690) = 9018 [pid 9018] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9018] setpgid(0, 0) = 0 [pid 9018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9018] write(3, "1000", 4) = 4 [pid 9018] close(3) = 0 [pid 9018] write(1, "executing program\n", 18executing program ) = 18 [pid 9018] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9018] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9018] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9018] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9019 attached => {parent_tid=[9019]}, 88) = 9019 [pid 9019] set_robust_list(0x7ff2a103f9a0, 24 [pid 9018] rt_sigprocmask(SIG_SETMASK, [], [pid 9019] <... set_robust_list resumed>) = 0 [pid 9018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9019] rt_sigprocmask(SIG_SETMASK, [], [pid 9018] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9018] <... futex resumed>) = 0 [pid 9019] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9018] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9019] <... socketpair resumed>[3, 4]) = 0 [pid 9019] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9018] <... futex resumed>) = 0 [pid 9018] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9018] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9018] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9018] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9020]}, 88) = 9020 [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9018] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9018] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9018] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9020 attached [pid 9020] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9020] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9020] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9018] <... futex resumed>) = 0 [pid 9020] <... futex resumed>) = 1 [pid 9019] <... sendmsg resumed>) = 0 [pid 9020] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9019] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9019] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9018] exit_group(0 [pid 9019] <... futex resumed>) = ? [pid 9020] <... futex resumed>) = ? [pid 9018] <... exit_group resumed>) = ? [pid 9019] +++ exited with 0 +++ [pid 9020] +++ exited with 0 +++ [pid 9018] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9018, si_uid=0, si_status=0, 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 9021 attached , child_tidptr=0x55556cb53690) = 9021 [pid 9021] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9021] setpgid(0, 0) = 0 [pid 9021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9021] write(3, "1000", 4) = 4 [pid 9021] close(3) = 0 [pid 9021] write(1, "executing program\n", 18executing program ) = 18 [pid 9021] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9021] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9021] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9022 attached => {parent_tid=[9022]}, 88) = 9022 [pid 9022] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9022] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9021] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9022] <... futex resumed>) = 0 [pid 9021] <... futex resumed>) = 1 [pid 9022] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9021] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9022] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9022] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9021] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9022] <... futex resumed>) = 0 [pid 9021] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9021] <... futex resumed>) = 0 [pid 9021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9022] <... sendmsg resumed>) = 0 [pid 9021] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9021] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9022] <... sendmsg resumed>) = 0 [pid 9021] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9021] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9022] <... sendmsg resumed>) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9021] <... clone3 resumed> => {parent_tid=[9023]}, 88) = 9023 [pid 9021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9022] <... sendmsg resumed>) = 0 [pid 9021] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9021] <... futex resumed>) = 0 [pid 9022] <... sendmsg resumed>) = 0 [pid 9021] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] 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 9023 attached [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9023] set_robust_list(0x7ff2a101e9a0, 24 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9023] <... set_robust_list resumed>) = 0 [pid 9022] <... sendmsg resumed>) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9023] rt_sigprocmask(SIG_SETMASK, [], [pid 9022] <... sendmsg resumed>) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9022] <... sendmsg resumed>) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9023] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9022] <... sendmsg resumed>) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9023] <... setsockopt resumed>) = 0 [pid 9022] <... sendmsg resumed>) = 0 [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9022] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9022] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9023] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9021] <... futex resumed>) = 0 [pid 9021] exit_group(0) = ? [pid 9023] ????() = ? [pid 9022] <... futex resumed>) = ? [pid 9022] +++ exited with 0 +++ [pid 9023] +++ exited with 0 +++ [pid 9021] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9021, 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 9024 attached , child_tidptr=0x55556cb53690) = 9024 [pid 9024] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9024] setpgid(0, 0) = 0 [pid 9024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9024] write(3, "1000", 4) = 4 [pid 9024] close(3) = 0 executing program [pid 9024] write(1, "executing program\n", 18) = 18 [pid 9024] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9024] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9024] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9025 attached => {parent_tid=[9025]}, 88) = 9025 [pid 9025] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9025] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9024] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9025] <... futex resumed>) = 0 [pid 9025] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9025] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9025] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9024] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9024] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9025] <... futex resumed>) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9024] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9025] <... sendmsg resumed>) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9024] <... futex resumed>) = 0 [pid 9024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9025] <... sendmsg resumed>) = 0 [pid 9024] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9024] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9025] <... sendmsg resumed>) = 0 [pid 9024] <... mprotect resumed>) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9025] <... sendmsg resumed>) = 0 [pid 9024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9025] <... sendmsg resumed>) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9024] <... clone3 resumed> => {parent_tid=[9026]}, 88) = 9026 [pid 9024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9024] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9025] <... sendmsg resumed>) = 0 [pid 9024] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] 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 9026 attached ) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9025] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9025] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9026] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9026] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9026] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9024] <... futex resumed>) = 0 [pid 9024] exit_group(0) = ? [pid 9025] <... futex resumed>) = ? [pid 9025] +++ exited with 0 +++ [pid 9026] +++ exited with 0 +++ [pid 9024] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9024, 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 9027 attached , child_tidptr=0x55556cb53690) = 9027 [pid 9027] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9027] setpgid(0, 0) = 0 [pid 9027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9027] write(3, "1000", 4) = 4 [pid 9027] close(3) = 0 [pid 9027] write(1, "executing program\n", 18executing program ) = 18 [pid 9027] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9027] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9027] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9028 attached => {parent_tid=[9028]}, 88) = 9028 [pid 9028] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9028] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9027] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9028] <... futex resumed>) = 0 [pid 9028] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9027] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9028] <... socketpair resumed>[3, 4]) = 0 [pid 9028] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9027] <... futex resumed>) = 0 [pid 9027] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9027] <... futex resumed>) = 0 [pid 9028] <... sendmsg resumed>) = 0 [pid 9027] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9027] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9028] <... sendmsg resumed>) = 0 [pid 9027] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9027] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9027] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9028] <... sendmsg resumed>) = 0 [pid 9027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9027] <... clone3 resumed> => {parent_tid=[9029]}, 88) = 9029 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9027] rt_sigprocmask(SIG_SETMASK, [], [pid 9028] <... sendmsg resumed>) = 0 [pid 9027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9027] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9027] <... futex resumed>) = 0 [pid 9028] <... sendmsg resumed>) = 0 [pid 9027] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9028] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9028] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9029 attached [pid 9029] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9029] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9029] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9027] <... futex resumed>) = 0 [pid 9027] exit_group(0) = ? [pid 9028] <... futex resumed>) = ? [pid 9028] +++ exited with 0 +++ [pid 9029] <... futex resumed>) = ? [pid 9029] +++ exited with 0 +++ [pid 9027] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9030 ./strace-static-x86_64: Process 9030 attached [pid 9030] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9030] setpgid(0, 0) = 0 [pid 9030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9030] write(3, "1000", 4) = 4 [pid 9030] close(3) = 0 [pid 9030] write(1, "executing program\n", 18executing program ) = 18 [pid 9030] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9030] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9030] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9031 attached => {parent_tid=[9031]}, 88) = 9031 [pid 9031] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9031] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9030] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9031] <... futex resumed>) = 0 [pid 9031] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9031] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9031] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9030] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9030] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9031] <... futex resumed>) = 0 [pid 9030] <... futex resumed>) = 1 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9030] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9031] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9031] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9030] <... futex resumed>) = 0 [pid 9030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9030] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9032]}, 88) = 9032 [pid 9030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9030] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9030] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9032 attached [pid 9032] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9032] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9032] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9030] <... futex resumed>) = 0 [pid 9030] exit_group(0 [pid 9031] <... futex resumed>) = ? [pid 9030] <... exit_group resumed>) = ? [pid 9031] +++ exited with 0 +++ [pid 9032] <... futex resumed>) = ? [pid 9032] +++ exited with 0 +++ [pid 9030] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9033 ./strace-static-x86_64: Process 9033 attached [pid 9033] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9033] setpgid(0, 0) = 0 [pid 9033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9033] write(3, "1000", 4) = 4 executing program [pid 9033] close(3) = 0 [pid 9033] write(1, "executing program\n", 18) = 18 [pid 9033] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9033] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9033] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9034]}, 88) = 9034 [pid 9033] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9033] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9033] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9034 attached [pid 9034] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9034] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9034] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9033] <... futex resumed>) = 0 [pid 9033] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9033] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9033] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9033] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9034] <... futex resumed>) = 1 ./strace-static-x86_64: Process 9035 attached [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9033] <... clone3 resumed> => {parent_tid=[9035]}, 88) = 9035 [pid 9035] set_robust_list(0x7ff2a101e9a0, 24 [pid 9034] <... sendmsg resumed>) = 0 [pid 9033] rt_sigprocmask(SIG_SETMASK, [], [pid 9035] <... set_robust_list resumed>) = 0 [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9034] <... sendmsg resumed>) = 0 [pid 9033] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9035] rt_sigprocmask(SIG_SETMASK, [], [pid 9033] <... futex resumed>) = 0 [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9033] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9034] <... sendmsg resumed>) = 0 [pid 9035] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9035] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9033] <... futex resumed>) = 0 [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9035] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9034] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9034] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9033] exit_group(0) = ? [pid 9035] <... futex resumed>) = 231 [pid 9034] <... futex resumed>) = ? [pid 9035] +++ exited with 0 +++ [pid 9034] +++ exited with 0 +++ [pid 9033] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9033, si_uid=0, si_status=0, 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 9036 attached , child_tidptr=0x55556cb53690) = 9036 [pid 9036] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9036] setpgid(0, 0) = 0 [pid 9036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9036] write(3, "1000", 4) = 4 [pid 9036] close(3) = 0 [pid 9036] write(1, "executing program\n", 18executing program ) = 18 [pid 9036] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9036] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9036] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9037 attached => {parent_tid=[9037]}, 88) = 9037 [pid 9037] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9037] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9036] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9036] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9037] <... futex resumed>) = 0 [pid 9036] <... futex resumed>) = 1 [pid 9037] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9036] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9037] <... socketpair resumed>[3, 4]) = 0 [pid 9037] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9037] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9036] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9037] <... futex resumed>) = 0 [pid 9036] <... futex resumed>) = 1 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9036] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9037] <... sendmsg resumed>) = 0 [pid 9036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9036] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9037] <... sendmsg resumed>) = 0 [pid 9036] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9036] <... mprotect resumed>) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9036] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9037] <... sendmsg resumed>) = 0 [pid 9036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9036] <... clone3 resumed> => {parent_tid=[9038]}, 88) = 9038 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9036] rt_sigprocmask(SIG_SETMASK, [], [pid 9037] <... sendmsg resumed>) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9037] <... sendmsg resumed>) = 0 [pid 9036] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9036] <... futex resumed>) = 0 [pid 9037] <... sendmsg resumed>) = 0 [pid 9036] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] 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 9038 attached [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9038] set_robust_list(0x7ff2a101e9a0, 24 [pid 9037] <... sendmsg resumed>) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9038] <... set_robust_list resumed>) = 0 [pid 9037] <... sendmsg resumed>) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9037] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9037] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9038] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9038] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9036] <... futex resumed>) = 0 [pid 9036] exit_group(0) = ? [pid 9037] <... futex resumed>) = ? [pid 9037] +++ exited with 0 +++ [pid 9038] +++ exited with 0 +++ [pid 9036] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9036, si_uid=0, si_status=0, 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 9039 attached , child_tidptr=0x55556cb53690) = 9039 [pid 9039] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9039] setpgid(0, 0) = 0 [pid 9039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9039] write(3, "1000", 4) = 4 [pid 9039] close(3) = 0 executing program [pid 9039] write(1, "executing program\n", 18) = 18 [pid 9039] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9039] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9039] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9039] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9040 attached [pid 9040] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9040] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9039] <... clone3 resumed> => {parent_tid=[9040]}, 88) = 9040 [pid 9039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9039] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9040] <... futex resumed>) = 0 [pid 9039] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9040] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9040] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9039] <... futex resumed>) = 0 [pid 9039] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9039] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9039] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9039] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9041]}, 88) = 9041 [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9039] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9039] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9039] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9041 attached [pid 9041] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9041] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9041] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9039] <... futex resumed>) = 0 [pid 9041] <... futex resumed>) = 1 [pid 9041] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9040] <... sendmsg resumed>) = 0 [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9040] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9040] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9039] exit_group(0 [pid 9040] <... futex resumed>) = ? [pid 9041] <... futex resumed>) = ? [pid 9039] <... exit_group resumed>) = ? [pid 9040] +++ exited with 0 +++ [pid 9041] +++ exited with 0 +++ [pid 9039] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9042 ./strace-static-x86_64: Process 9042 attached [pid 9042] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9042] setpgid(0, 0) = 0 [pid 9042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9042] write(3, "1000", 4) = 4 [pid 9042] close(3) = 0 [pid 9042] write(1, "executing program\n", 18executing program ) = 18 [pid 9042] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9042] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9042] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9042] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9043]}, 88) = 9043 [pid 9042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9042] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9042] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9043 attached [pid 9043] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9043] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9043] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9042] <... futex resumed>) = 0 [pid 9042] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9042] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9042] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9042] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9044]}, 88) = 9044 [pid 9042] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9042] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9042] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9044 attached [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9044] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9044] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9044] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9042] <... futex resumed>) = 0 [pid 9043] <... sendmsg resumed>) = 0 [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9044] <... futex resumed>) = 1 [pid 9044] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9043] <... sendmsg resumed>) = 0 [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9043] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9043] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9042] exit_group(0 [pid 9043] <... futex resumed>) = ? [pid 9042] <... exit_group resumed>) = ? [pid 9043] +++ exited with 0 +++ [pid 9044] <... futex resumed>) = ? [pid 9044] +++ exited with 0 +++ [pid 9042] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9042, si_uid=0, si_status=0, 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 9045 attached , child_tidptr=0x55556cb53690) = 9045 [pid 9045] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9045] setpgid(0, 0) = 0 [pid 9045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9045] write(3, "1000", 4) = 4 [pid 9045] close(3executing program ) = 0 [pid 9045] write(1, "executing program\n", 18) = 18 [pid 9045] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9045] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9045] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9045] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9046]}, 88) = 9046 [pid 9045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9045] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9045] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9046 attached [pid 9046] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9046] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9046] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9045] <... futex resumed>) = 0 [pid 9045] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9045] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9045] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9047]}, 88) = 9047 [pid 9046] <... sendmsg resumed>) = 0 [pid 9045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9045] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9045] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9047 attached [pid 9047] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9047] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9047] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9045] <... futex resumed>) = 0 [pid 9047] <... futex resumed>) = 1 [pid 9047] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9046] <... sendmsg resumed>) = 0 [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9046] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9046] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9045] exit_group(0 [pid 9046] <... futex resumed>) = ? [pid 9045] <... exit_group resumed>) = ? [pid 9046] +++ exited with 0 +++ [pid 9047] <... futex resumed>) = ? [pid 9047] +++ exited with 0 +++ [pid 9045] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9045, si_uid=0, si_status=0, 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 9048 attached , child_tidptr=0x55556cb53690) = 9048 [pid 9048] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9048] setpgid(0, 0) = 0 [pid 9048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9048] write(3, "1000", 4) = 4 [pid 9048] close(3) = 0 [pid 9048] write(1, "executing program\n", 18executing program ) = 18 [pid 9048] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9048] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9048] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9048] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9049 attached => {parent_tid=[9049]}, 88) = 9049 [pid 9049] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9049] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9048] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9049] <... futex resumed>) = 0 [pid 9049] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9048] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9049] <... socketpair resumed>[3, 4]) = 0 [pid 9049] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9049] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9048] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9049] <... futex resumed>) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9048] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9049] <... sendmsg resumed>) = 0 [pid 9048] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9048] <... mprotect resumed>) = 0 [pid 9049] <... sendmsg resumed>) = 0 [pid 9048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9049] <... sendmsg resumed>) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9048] <... clone3 resumed> => {parent_tid=[9050]}, 88) = 9050 [pid 9048] rt_sigprocmask(SIG_SETMASK, [], [pid 9049] <... sendmsg resumed>) = 0 [pid 9048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9048] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9049] <... sendmsg resumed>) = 0 [pid 9048] <... futex resumed>) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9048] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9049] <... sendmsg resumed>) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] 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 9050 attached ) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9050] set_robust_list(0x7ff2a101e9a0, 24 [pid 9049] <... sendmsg resumed>) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9050] <... set_robust_list resumed>) = 0 [pid 9049] <... sendmsg resumed>) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9050] rt_sigprocmask(SIG_SETMASK, [], [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9049] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9050] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9049] <... sendmsg resumed>) = 0 [pid 9049] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9049] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9050] <... setsockopt resumed>) = 0 [pid 9050] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9048] <... futex resumed>) = 0 [pid 9048] exit_group(0) = ? [pid 9049] <... futex resumed>) = ? [pid 9049] +++ exited with 0 +++ [pid 9050] +++ exited with 0 +++ [pid 9048] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9051 ./strace-static-x86_64: Process 9051 attached [pid 9051] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9051] setpgid(0, 0) = 0 [pid 9051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9051] write(3, "1000", 4) = 4 [pid 9051] close(3) = 0 executing program [pid 9051] write(1, "executing program\n", 18) = 18 [pid 9051] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9051] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9051] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9052 attached => {parent_tid=[9052]}, 88) = 9052 [pid 9052] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9052] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9051] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9052] <... futex resumed>) = 0 [pid 9051] <... futex resumed>) = 1 [pid 9052] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9051] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9052] <... socketpair resumed>[3, 4]) = 0 [pid 9052] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9052] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9051] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9052] <... futex resumed>) = 0 [pid 9051] <... futex resumed>) = 1 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9051] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9052] <... sendmsg resumed>) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9051] <... futex resumed>) = 0 [pid 9051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9052] <... sendmsg resumed>) = 0 [pid 9051] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9051] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9052] <... sendmsg resumed>) = 0 [pid 9051] <... mprotect resumed>) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9052] <... sendmsg resumed>) = 0 [pid 9051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9051] <... clone3 resumed> => {parent_tid=[9053]}, 88) = 9053 [pid 9051] rt_sigprocmask(SIG_SETMASK, [], [pid 9052] <... sendmsg resumed>) = 0 [pid 9051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9051] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9052] <... sendmsg resumed>) = 0 [pid 9051] <... futex resumed>) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9051] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9053 attached [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9053] set_robust_list(0x7ff2a101e9a0, 24 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9052] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9052] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9053] <... set_robust_list resumed>) = 0 [pid 9053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9053] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9053] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9051] <... futex resumed>) = 0 [pid 9053] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9051] exit_group(0 [pid 9052] <... futex resumed>) = ? [pid 9052] +++ exited with 0 +++ [pid 9051] <... exit_group resumed>) = ? [pid 9053] <... futex resumed>) = ? [pid 9053] +++ exited with 0 +++ [pid 9051] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9054 ./strace-static-x86_64: Process 9054 attached [pid 9054] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9054] setpgid(0, 0) = 0 [pid 9054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9054] write(3, "1000", 4) = 4 executing program [pid 9054] close(3) = 0 [pid 9054] write(1, "executing program\n", 18) = 18 [pid 9054] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9054] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9054] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9055]}, 88) = 9055 ./strace-static-x86_64: Process 9055 attached [pid 9054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9054] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9054] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9055] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9055] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9055] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9054] <... futex resumed>) = 0 [pid 9054] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9054] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9054] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9054] <... clone3 resumed> => {parent_tid=[9056]}, 88) = 9056 [pid 9054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9054] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9055] <... sendmsg resumed>) = 0 [pid 9054] <... futex resumed>) = 0 [pid 9054] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9055] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9055] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9056 attached [pid 9056] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9056] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9056] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9054] <... futex resumed>) = 0 [pid 9054] exit_group(0) = ? [pid 9055] <... futex resumed>) = ? [pid 9056] <... futex resumed>) = ? [pid 9055] +++ exited with 0 +++ [pid 9056] +++ exited with 0 +++ [pid 9054] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9057 ./strace-static-x86_64: Process 9057 attached [pid 9057] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9057] setpgid(0, 0) = 0 [pid 9057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9057] write(3, "1000", 4) = 4 [pid 9057] close(3) = 0 executing program [pid 9057] write(1, "executing program\n", 18) = 18 [pid 9057] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9057] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9057] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9058 attached => {parent_tid=[9058]}, 88) = 9058 [pid 9058] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9057] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9058] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9057] <... futex resumed>) = 0 [pid 9058] <... socketpair resumed>[3, 4]) = 0 [pid 9057] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9058] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9057] <... futex resumed>) = 0 [pid 9057] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9057] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9057] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9057] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9058] <... sendmsg resumed>) = 0 [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9057] <... clone3 resumed> => {parent_tid=[9059]}, 88) = 9059 [pid 9058] <... sendmsg resumed>) = 0 [pid 9057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9057] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9057] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9059 attached [pid 9059] set_robust_list(0x7ff2a101e9a0, 24 [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9059] <... set_robust_list resumed>) = 0 [pid 9059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9059] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9059] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9057] <... futex resumed>) = 0 [pid 9058] <... sendmsg resumed>) = 0 [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9059] <... futex resumed>) = 1 [pid 9058] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9059] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9058] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9058] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9057] exit_group(0 [pid 9059] <... futex resumed>) = ? [pid 9058] <... futex resumed>) = ? [pid 9057] <... exit_group resumed>) = ? [pid 9058] +++ exited with 0 +++ [pid 9059] +++ exited with 0 +++ [pid 9057] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9060 ./strace-static-x86_64: Process 9060 attached [pid 9060] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9060] setpgid(0, 0) = 0 [pid 9060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9060] write(3, "1000", 4) = 4 [pid 9060] close(3) = 0 [pid 9060] write(1, "executing program\n", 18executing program ) = 18 [pid 9060] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9060] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9060] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9061]}, 88) = 9061 [pid 9060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9060] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 9061 attached ) = 0 [pid 9060] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9061] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9061] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9061] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9060] <... futex resumed>) = 0 [pid 9060] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9060] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9060] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9062]}, 88) = 9062 [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9060] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9060] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9060] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9062 attached [pid 9062] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9062] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9062] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9060] <... futex resumed>) = 0 [pid 9062] <... futex resumed>) = 1 [pid 9062] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9061] <... sendmsg resumed>) = 0 [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9061] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9061] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9060] exit_group(0 [pid 9061] <... futex resumed>) = ? [pid 9062] <... futex resumed>) = ? [pid 9060] <... exit_group resumed>) = ? [pid 9061] +++ exited with 0 +++ [pid 9062] +++ exited with 0 +++ [pid 9060] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9060, si_uid=0, si_status=0, 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 9063 attached , child_tidptr=0x55556cb53690) = 9063 [pid 9063] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9063] setpgid(0, 0) = 0 [pid 9063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9063] write(3, "1000", 4) = 4 [pid 9063] close(3) = 0 [pid 9063] write(1, "executing program\n", 18executing program ) = 18 [pid 9063] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9063] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9063] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9064 attached => {parent_tid=[9064]}, 88) = 9064 [pid 9064] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9064] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9063] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9063] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9064] <... futex resumed>) = 0 [pid 9064] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9064] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9063] <... futex resumed>) = 0 [pid 9063] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9063] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9063] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9063] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9065]}, 88) = 9065 [pid 9063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9063] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9063] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9064] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9064] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9065 attached [pid 9065] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9065] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9065] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9063] <... futex resumed>) = 0 [pid 9063] exit_group(0) = ? [pid 9064] <... futex resumed>) = ? [pid 9064] +++ exited with 0 +++ [pid 9065] <... futex resumed>) = ? [pid 9065] +++ exited with 0 +++ [pid 9063] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9066 ./strace-static-x86_64: Process 9066 attached [pid 9066] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9066] setpgid(0, 0) = 0 [pid 9066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9066] write(3, "1000", 4) = 4 [pid 9066] close(3executing program ) = 0 [pid 9066] write(1, "executing program\n", 18) = 18 [pid 9066] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9066] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9066] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9067]}, 88) = 9067 [pid 9066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9066] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9066] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9067 attached [pid 9067] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9067] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9067] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9066] <... futex resumed>) = 0 [pid 9066] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9066] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9066] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9068]}, 88) = 9068 [pid 9066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9066] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9066] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9067] <... futex resumed>) = 1 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9067] 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 9068 attached [pid 9068] set_robust_list(0x7ff2a101e9a0, 24 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9068] <... set_robust_list resumed>) = 0 [pid 9067] <... sendmsg resumed>) = 0 [pid 9068] rt_sigprocmask(SIG_SETMASK, [], [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9068] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9068] <... setsockopt resumed>) = 0 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9068] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9068] <... futex resumed>) = 1 [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9066] <... futex resumed>) = 0 [pid 9068] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9067] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9067] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9067] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9066] exit_group(0 [pid 9068] <... futex resumed>) = ? [pid 9066] <... exit_group resumed>) = ? [pid 9067] <... futex resumed>) = ? [pid 9068] +++ exited with 0 +++ [pid 9067] +++ exited with 0 +++ [pid 9066] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9069 ./strace-static-x86_64: Process 9069 attached [pid 9069] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9069] setpgid(0, 0) = 0 [pid 9069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9069] write(3, "1000", 4) = 4 [pid 9069] close(3) = 0 executing program [pid 9069] write(1, "executing program\n", 18) = 18 [pid 9069] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9069] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9069] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9069] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9070]}, 88) = 9070 [pid 9069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9069] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9069] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9070 attached [pid 9070] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9070] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9070] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9070] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9069] <... futex resumed>) = 0 [pid 9070] <... futex resumed>) = 1 [pid 9069] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] <... futex resumed>) = 0 [pid 9069] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... futex resumed>) = 0 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... mprotect resumed>) = 0 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9070] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 9071 attached [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9071] set_robust_list(0x7ff2a101e9a0, 24 [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... clone3 resumed> => {parent_tid=[9071]}, 88) = 9071 [pid 9071] <... set_robust_list resumed>) = 0 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] rt_sigprocmask(SIG_SETMASK, [], [pid 9071] rt_sigprocmask(SIG_SETMASK, [], [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9071] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... futex resumed>) = 0 [pid 9071] <... setsockopt resumed>) = 0 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9069] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9071] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9070] <... sendmsg resumed>) = 0 [pid 9069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9071] <... futex resumed>) = 0 [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9071] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9070] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9070] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9070] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9069] exit_group(0) = ? [pid 9070] <... futex resumed>) = ? [pid 9071] <... futex resumed>) = ? [pid 9070] +++ exited with 0 +++ [pid 9071] +++ exited with 0 +++ [pid 9069] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9072 ./strace-static-x86_64: Process 9072 attached [pid 9072] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9072] setpgid(0, 0) = 0 [pid 9072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9072] write(3, "1000", 4) = 4 [pid 9072] close(3) = 0 executing program [pid 9072] write(1, "executing program\n", 18) = 18 [pid 9072] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9072] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9072] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9073 attached => {parent_tid=[9073]}, 88) = 9073 [pid 9073] set_robust_list(0x7ff2a103f9a0, 24 [pid 9072] rt_sigprocmask(SIG_SETMASK, [], [pid 9073] <... set_robust_list resumed>) = 0 [pid 9072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9073] rt_sigprocmask(SIG_SETMASK, [], [pid 9072] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9072] <... futex resumed>) = 0 [pid 9073] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9072] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9073] <... socketpair resumed>[3, 4]) = 0 [pid 9073] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9072] <... futex resumed>) = 0 [pid 9073] <... futex resumed>) = 1 [pid 9072] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] <... futex resumed>) = 0 [pid 9073] <... sendmsg resumed>) = 0 [pid 9072] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] <... futex resumed>) = 0 [pid 9073] <... sendmsg resumed>) = 0 [pid 9072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9073] <... sendmsg resumed>) = 0 [pid 9072] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] <... mprotect resumed>) = 0 [pid 9073] <... sendmsg resumed>) = 0 [pid 9072] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9073] <... sendmsg resumed>) = 0 [pid 9072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] <... clone3 resumed> => {parent_tid=[9074]}, 88) = 9074 [pid 9073] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 9074 attached [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] rt_sigprocmask(SIG_SETMASK, [], [pid 9074] set_robust_list(0x7ff2a101e9a0, 24 [pid 9073] <... sendmsg resumed>) = 0 [pid 9072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9074] <... set_robust_list resumed>) = 0 [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9074] rt_sigprocmask(SIG_SETMASK, [], [pid 9073] <... sendmsg resumed>) = 0 [pid 9072] <... futex resumed>) = 0 [pid 9074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9072] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9074] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9073] <... sendmsg resumed>) = 0 [pid 9074] <... setsockopt resumed>) = 0 [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9074] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9073] <... sendmsg resumed>) = 0 [pid 9074] <... futex resumed>) = 1 [pid 9072] <... futex resumed>) = 0 [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9074] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9073] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9073] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9073] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9072] exit_group(0 [pid 9073] <... futex resumed>) = 231 [pid 9072] <... exit_group resumed>) = ? [pid 9074] <... futex resumed>) = ? [pid 9073] +++ exited with 0 +++ [pid 9074] +++ exited with 0 +++ [pid 9072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9075 ./strace-static-x86_64: Process 9075 attached [pid 9075] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9075] setpgid(0, 0) = 0 [pid 9075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9075] write(3, "1000", 4) = 4 [pid 9075] close(3) = 0 [pid 9075] write(1, "executing program\n", 18executing program ) = 18 [pid 9075] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9075] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9075] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9076 attached => {parent_tid=[9076]}, 88) = 9076 [pid 9076] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9076] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9075] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9076] <... futex resumed>) = 0 [pid 9075] <... futex resumed>) = 1 [pid 9076] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9075] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9076] <... socketpair resumed>[3, 4]) = 0 [pid 9076] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9076] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9075] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9076] <... futex resumed>) = 0 [pid 9075] <... futex resumed>) = 1 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9075] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9076] <... sendmsg resumed>) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9075] <... futex resumed>) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9076] <... sendmsg resumed>) = 0 [pid 9075] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9075] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9076] <... sendmsg resumed>) = 0 [pid 9075] <... mprotect resumed>) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9075] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9076] <... sendmsg resumed>) = 0 [pid 9075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9075] <... clone3 resumed> => {parent_tid=[9077]}, 88) = 9077 [pid 9075] rt_sigprocmask(SIG_SETMASK, [], [pid 9076] <... sendmsg resumed>) = 0 [pid 9075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9075] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9076] <... sendmsg resumed>) = 0 [pid 9075] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] 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 9077 attached ) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9077] set_robust_list(0x7ff2a101e9a0, 24 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9077] <... set_robust_list resumed>) = 0 [pid 9076] <... sendmsg resumed>) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9077] rt_sigprocmask(SIG_SETMASK, [], [pid 9076] <... sendmsg resumed>) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9076] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9076] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9077] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9077] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9075] <... futex resumed>) = 0 [pid 9075] exit_group(0) = ? [pid 9077] +++ exited with 0 +++ [pid 9076] <... futex resumed>) = ? [pid 9076] +++ exited with 0 +++ [pid 9075] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9078 ./strace-static-x86_64: Process 9078 attached [pid 9078] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9078] setpgid(0, 0) = 0 [pid 9078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9078] write(3, "1000", 4) = 4 [pid 9078] close(3) = 0 executing program [pid 9078] write(1, "executing program\n", 18) = 18 [pid 9078] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9078] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9078] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9079 attached => {parent_tid=[9079]}, 88) = 9079 [pid 9079] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9079] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9078] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9079] <... futex resumed>) = 0 [pid 9079] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9079] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9079] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9078] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9078] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9079] <... futex resumed>) = 0 [pid 9078] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9078] <... futex resumed>) = 0 [pid 9079] <... sendmsg resumed>) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9079] <... sendmsg resumed>) = 0 [pid 9078] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9078] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9079] <... sendmsg resumed>) = 0 [pid 9078] <... mprotect resumed>) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9079] <... sendmsg resumed>) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9078] <... clone3 resumed> => {parent_tid=[9080]}, 88) = 9080 [pid 9078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9079] <... sendmsg resumed>) = 0 [pid 9078] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9078] <... futex resumed>) = 0 [pid 9079] <... sendmsg resumed>) = 0 [pid 9078] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9079] 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 9080 attached [pid 9079] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9079] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9080] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9080] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9080] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9078] <... futex resumed>) = 0 [pid 9078] exit_group(0) = ? [pid 9080] +++ exited with 0 +++ [pid 9079] <... futex resumed>) = 231 [pid 9079] +++ exited with 0 +++ [pid 9078] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9078, si_uid=0, si_status=0, 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 9081 attached , child_tidptr=0x55556cb53690) = 9081 [pid 9081] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9081] setpgid(0, 0) = 0 [pid 9081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9081] write(3, "1000", 4) = 4 [pid 9081] close(3) = 0 executing program [pid 9081] write(1, "executing program\n", 18) = 18 [pid 9081] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9081] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9081] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9082 attached [pid 9082] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9082] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9081] <... clone3 resumed> => {parent_tid=[9082]}, 88) = 9082 [pid 9081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9081] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9082] <... futex resumed>) = 0 [pid 9081] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9082] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9082] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9081] <... futex resumed>) = 0 [pid 9081] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9081] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9081] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9083]}, 88) = 9083 [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9081] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9081] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9083 attached [pid 9083] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9083] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9083] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9081] <... futex resumed>) = 0 [pid 9083] <... futex resumed>) = 1 [pid 9082] <... sendmsg resumed>) = 0 [pid 9083] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9082] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9082] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9081] exit_group(0 [pid 9083] <... futex resumed>) = ? [pid 9082] <... futex resumed>) = ? [pid 9081] <... exit_group resumed>) = ? [pid 9082] +++ exited with 0 +++ [pid 9083] +++ exited with 0 +++ [pid 9081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9084 ./strace-static-x86_64: Process 9084 attached [pid 9084] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9084] setpgid(0, 0) = 0 [pid 9084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9084] write(3, "1000", 4) = 4 [pid 9084] close(3) = 0 [pid 9084] write(1, "executing program\n", 18executing program ) = 18 [pid 9084] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9084] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9084] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9085 attached => {parent_tid=[9085]}, 88) = 9085 [pid 9085] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9085] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9084] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9085] <... futex resumed>) = 0 [pid 9085] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9084] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9085] <... socketpair resumed>[3, 4]) = 0 [pid 9085] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9084] <... futex resumed>) = 0 [pid 9084] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9084] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9084] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9084] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9086]}, 88) = 9086 [pid 9084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9084] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9084] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9086 attached [pid 9086] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9086] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9086] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9084] <... futex resumed>) = 0 [pid 9086] <... futex resumed>) = 1 [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9086] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9085] <... sendmsg resumed>) = 0 [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9085] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9085] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9084] exit_group(0 [pid 9086] <... futex resumed>) = ? [pid 9085] <... futex resumed>) = ? [pid 9084] <... exit_group resumed>) = ? [pid 9085] +++ exited with 0 +++ [pid 9086] +++ exited with 0 +++ [pid 9084] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9084, 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=0x55556cb53690) = 9087 ./strace-static-x86_64: Process 9087 attached [pid 9087] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9087] setpgid(0, 0) = 0 [pid 9087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9087] write(3, "1000", 4) = 4 [pid 9087] close(3) = 0 [pid 9087] write(1, "executing program\n", 18executing program ) = 18 [pid 9087] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9087] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9087] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9088 attached => {parent_tid=[9088]}, 88) = 9088 [pid 9088] set_robust_list(0x7ff2a103f9a0, 24 [pid 9087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9088] <... set_robust_list resumed>) = 0 [pid 9087] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9088] rt_sigprocmask(SIG_SETMASK, [], [pid 9087] <... futex resumed>) = 0 [pid 9087] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9088] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9088] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9087] <... futex resumed>) = 0 [pid 9087] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9087] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9087] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9087] <... clone3 resumed> => {parent_tid=[9089]}, 88) = 9089 [pid 9087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9087] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9087] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9089 attached [pid 9089] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9089] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9089] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9087] <... futex resumed>) = 0 [pid 9089] <... futex resumed>) = 1 [pid 9089] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9088] <... sendmsg resumed>) = 0 [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9088] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9088] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9087] exit_group(0 [pid 9088] <... futex resumed>) = ? [pid 9087] <... exit_group resumed>) = ? [pid 9088] +++ exited with 0 +++ [pid 9089] <... futex resumed>) = ? [pid 9089] +++ exited with 0 +++ [pid 9087] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9090 ./strace-static-x86_64: Process 9090 attached [pid 9090] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9090] setpgid(0, 0) = 0 [pid 9090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9090] write(3, "1000", 4) = 4 [pid 9090] close(3) = 0 [pid 9090] write(1, "executing program\n", 18executing program ) = 18 [pid 9090] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9090] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9090] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9090] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9091 attached => {parent_tid=[9091]}, 88) = 9091 [pid 9091] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9091] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9090] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9091] <... futex resumed>) = 0 [pid 9091] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9090] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9091] <... socketpair resumed>[3, 4]) = 0 [pid 9091] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9091] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9090] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9091] <... futex resumed>) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9090] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9091] <... sendmsg resumed>) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9091] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9091] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] <... futex resumed>) = 0 [pid 9090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9090] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9090] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9092 attached [pid 9092] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9092] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] <... clone3 resumed> => {parent_tid=[9092]}, 88) = 9092 [pid 9090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9090] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9092] <... futex resumed>) = 0 [pid 9092] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9092] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9092] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9090] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9090] exit_group(0 [pid 9091] <... futex resumed>) = ? [pid 9091] +++ exited with 0 +++ [pid 9090] <... exit_group resumed>) = ? [pid 9092] <... futex resumed>) = ? [pid 9092] +++ exited with 0 +++ [pid 9090] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9090, si_uid=0, si_status=0, 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 9093 attached , child_tidptr=0x55556cb53690) = 9093 [pid 9093] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9093] setpgid(0, 0) = 0 [pid 9093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9093] write(3, "1000", 4) = 4 [pid 9093] close(3) = 0 [pid 9093] write(1, "executing program\n", 18executing program ) = 18 [pid 9093] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9093] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9093] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9094 attached => {parent_tid=[9094]}, 88) = 9094 [pid 9094] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9094] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9093] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9094] <... futex resumed>) = 0 [pid 9094] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9093] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9094] <... socketpair resumed>[3, 4]) = 0 [pid 9094] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9094] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9093] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9094] <... futex resumed>) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9093] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9094] <... sendmsg resumed>) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9094] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9094] <... sendmsg resumed>) = 0 [pid 9094] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9094] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9093] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9093] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9095 attached [pid 9095] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9095] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9093] <... clone3 resumed> => {parent_tid=[9095]}, 88) = 9095 [pid 9093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9093] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9095] <... futex resumed>) = 0 [pid 9095] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9095] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9095] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9093] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9093] exit_group(0) = ? [pid 9094] <... futex resumed>) = ? [pid 9094] +++ exited with 0 +++ [pid 9095] <... futex resumed>) = ? [pid 9095] +++ exited with 0 +++ [pid 9093] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9093, 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 9096 attached , child_tidptr=0x55556cb53690) = 9096 [pid 9096] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9096] setpgid(0, 0) = 0 [pid 9096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9096] write(3, "1000", 4) = 4 [pid 9096] close(3) = 0 [pid 9096] write(1, "executing program\n", 18executing program ) = 18 [pid 9096] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9096] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9096] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9097 attached => {parent_tid=[9097]}, 88) = 9097 [pid 9097] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9097] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9096] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9097] <... futex resumed>) = 0 [pid 9097] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9096] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9097] <... socketpair resumed>[3, 4]) = 0 [pid 9097] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9096] <... futex resumed>) = 0 [pid 9096] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9096] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9096] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9096] <... clone3 resumed> => {parent_tid=[9098]}, 88) = 9098 [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9096] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9096] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9098 attached [pid 9098] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9098] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9098] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9096] <... futex resumed>) = 0 [pid 9098] <... futex resumed>) = 1 [pid 9097] <... sendmsg resumed>) = 0 [pid 9098] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9097] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9097] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9096] exit_group(0) = ? [pid 9098] <... futex resumed>) = ? [pid 9097] <... futex resumed>) = ? [pid 9098] +++ exited with 0 +++ [pid 9097] +++ exited with 0 +++ [pid 9096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9099 ./strace-static-x86_64: Process 9099 attached [pid 9099] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9099] setpgid(0, 0) = 0 [pid 9099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9099] write(3, "1000", 4) = 4 [pid 9099] close(3) = 0 [pid 9099] write(1, "executing program\n", 18executing program ) = 18 [pid 9099] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9099] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9099] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9100 attached => {parent_tid=[9100]}, 88) = 9100 [pid 9100] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9100] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9099] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9100] <... futex resumed>) = 0 [pid 9100] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9099] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9100] <... socketpair resumed>[3, 4]) = 0 [pid 9100] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9100] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9099] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9100] <... futex resumed>) = 0 [pid 9099] <... futex resumed>) = 1 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9099] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9100] <... sendmsg resumed>) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9099] <... futex resumed>) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9099] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9100] <... sendmsg resumed>) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9099] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9100] <... sendmsg resumed>) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9099] <... mprotect resumed>) = 0 [pid 9100] <... sendmsg resumed>) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9100] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9100] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9099] <... clone3 resumed> => {parent_tid=[9101]}, 88) = 9101 [pid 9099] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 9101 attached NULL, 8) = 0 [pid 9099] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9099] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9101] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9101] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9101] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9099] <... futex resumed>) = 0 [pid 9099] exit_group(0) = ? [pid 9100] <... futex resumed>) = ? [pid 9101] +++ exited with 0 +++ [pid 9100] +++ exited with 0 +++ [pid 9099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9102 ./strace-static-x86_64: Process 9102 attached [pid 9102] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9102] setpgid(0, 0) = 0 [pid 9102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9102] write(3, "1000", 4) = 4 [pid 9102] close(3executing program ) = 0 [pid 9102] write(1, "executing program\n", 18) = 18 [pid 9102] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9102] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9102] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9103 attached => {parent_tid=[9103]}, 88) = 9103 [pid 9102] rt_sigprocmask(SIG_SETMASK, [], [pid 9103] set_robust_list(0x7ff2a103f9a0, 24 [pid 9102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9103] <... set_robust_list resumed>) = 0 [pid 9102] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9103] rt_sigprocmask(SIG_SETMASK, [], [pid 9102] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9103] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9103] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9102] <... futex resumed>) = 0 [pid 9102] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9102] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9102] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9104]}, 88) = 9104 [pid 9103] <... sendmsg resumed>) = 0 [pid 9102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9102] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9102] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9103] 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 9104 attached [pid 9104] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9104] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9104] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9102] <... futex resumed>) = 0 [pid 9103] <... sendmsg resumed>) = 0 [pid 9104] <... futex resumed>) = 1 [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9104] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9103] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9103] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9103] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9102] exit_group(0 [pid 9103] <... futex resumed>) = ? [pid 9104] <... futex resumed>) = ? [pid 9102] <... exit_group resumed>) = ? [pid 9103] +++ exited with 0 +++ [pid 9104] +++ exited with 0 +++ [pid 9102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9105 ./strace-static-x86_64: Process 9105 attached [pid 9105] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9105] setpgid(0, 0) = 0 [pid 9105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9105] write(3, "1000", 4) = 4 [pid 9105] close(3) = 0 [pid 9105] write(1, "executing program\n", 18executing program ) = 18 [pid 9105] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9105] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9105] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9106 attached => {parent_tid=[9106]}, 88) = 9106 [pid 9105] rt_sigprocmask(SIG_SETMASK, [], [pid 9106] set_robust_list(0x7ff2a103f9a0, 24 [pid 9105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9106] <... set_robust_list resumed>) = 0 [pid 9105] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9106] rt_sigprocmask(SIG_SETMASK, [], [pid 9105] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9106] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9106] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9105] <... futex resumed>) = 0 [pid 9105] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9105] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9105] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9107]}, 88) = 9107 [pid 9106] <... sendmsg resumed>) = 0 [pid 9105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9105] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9105] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9107 attached [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9107] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9107] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9106] <... sendmsg resumed>) = 0 [pid 9107] <... setsockopt resumed>) = 0 [pid 9107] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9105] <... futex resumed>) = 0 [pid 9107] <... futex resumed>) = 1 [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9107] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9106] <... sendmsg resumed>) = 0 [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9106] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9105] exit_group(0 [pid 9106] <... futex resumed>) = ? [pid 9105] <... exit_group resumed>) = ? [pid 9106] +++ exited with 0 +++ [pid 9107] <... futex resumed>) = ? [pid 9107] +++ exited with 0 +++ [pid 9105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9108 ./strace-static-x86_64: Process 9108 attached [pid 9108] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9108] setpgid(0, 0) = 0 [pid 9108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9108] write(3, "1000", 4executing program ) = 4 [pid 9108] close(3) = 0 [pid 9108] write(1, "executing program\n", 18) = 18 [pid 9108] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9108] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9108] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9109]}, 88) = 9109 ./strace-static-x86_64: Process 9109 attached [pid 9108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9108] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9108] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9109] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9109] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9109] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9108] <... futex resumed>) = 0 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... sendmsg resumed>) = 0 [pid 9108] <... futex resumed>) = 0 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... sendmsg resumed>) = 0 [pid 9108] <... futex resumed>) = 0 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9109] <... sendmsg resumed>) = 0 [pid 9108] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9109] <... sendmsg resumed>) = 0 [pid 9108] <... mprotect resumed>) = 0 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9109] <... sendmsg resumed>) = 0 [pid 9109] 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 9110 attached [pid 9108] <... clone3 resumed> => {parent_tid=[9110]}, 88) = 9110 [pid 9109] <... sendmsg resumed>) = 0 [pid 9110] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9109] <... sendmsg resumed>) = 0 [pid 9110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... sendmsg resumed>) = 0 [pid 9108] <... futex resumed>) = 0 [pid 9110] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9110] <... setsockopt resumed>) = 0 [pid 9108] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9110] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9109] <... sendmsg resumed>) = 0 [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9108] <... futex resumed>) = 0 [pid 9110] <... futex resumed>) = 1 [pid 9110] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9109] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9109] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9108] exit_group(0) = ? [pid 9109] <... futex resumed>) = ? [pid 9109] +++ exited with 0 +++ [pid 9110] <... futex resumed>) = ? [pid 9110] +++ exited with 0 +++ [pid 9108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9111 ./strace-static-x86_64: Process 9111 attached [pid 9111] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9111] setpgid(0, 0) = 0 [pid 9111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9111] write(3, "1000", 4) = 4 executing program [pid 9111] close(3) = 0 [pid 9111] write(1, "executing program\n", 18) = 18 [pid 9111] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9111] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9111] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9112]}, 88) = 9112 [pid 9111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9111] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9111] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9112 attached [pid 9112] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9112] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9112] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9111] <... futex resumed>) = 0 [pid 9111] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9111] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9111] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9111] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9113 attached [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9111] <... clone3 resumed> => {parent_tid=[9113]}, 88) = 9113 [pid 9111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9111] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9112] <... sendmsg resumed>) = 0 [pid 9111] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9113] set_robust_list(0x7ff2a101e9a0, 24 [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9113] <... set_robust_list resumed>) = 0 [pid 9112] <... sendmsg resumed>) = 0 [pid 9113] rt_sigprocmask(SIG_SETMASK, [], [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9112] <... sendmsg resumed>) = 0 [pid 9113] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9113] <... setsockopt resumed>) = 0 [pid 9112] <... sendmsg resumed>) = 0 [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9113] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9112] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9113] <... futex resumed>) = 1 [pid 9111] <... futex resumed>) = 0 [pid 9112] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9113] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9112] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9112] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9111] exit_group(0 [pid 9112] <... futex resumed>) = ? [pid 9111] <... exit_group resumed>) = ? [pid 9112] +++ exited with 0 +++ [pid 9113] <... futex resumed>) = ? [pid 9113] +++ exited with 0 +++ [pid 9111] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9111, si_uid=0, si_status=0, 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 9114 attached , child_tidptr=0x55556cb53690) = 9114 [pid 9114] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9114] setpgid(0, 0) = 0 [pid 9114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9114] write(3, "1000", 4) = 4 [pid 9114] close(3) = 0 [pid 9114] write(1, "executing program\n", 18executing program ) = 18 [pid 9114] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9114] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9114] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9114] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9115 attached => {parent_tid=[9115]}, 88) = 9115 [pid 9115] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9115] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9114] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9115] <... futex resumed>) = 0 [pid 9114] <... futex resumed>) = 1 [pid 9115] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9114] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9115] <... socketpair resumed>[3, 4]) = 0 [pid 9115] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9115] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9114] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9115] <... futex resumed>) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9114] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9114] <... futex resumed>) = 0 [pid 9114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9115] <... sendmsg resumed>) = 0 [pid 9114] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9114] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9115] <... sendmsg resumed>) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9114] <... mprotect resumed>) = 0 [pid 9115] <... sendmsg resumed>) = 0 [pid 9114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9115] <... sendmsg resumed>) = 0 [pid 9114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9114] <... clone3 resumed> => {parent_tid=[9116]}, 88) = 9116 [pid 9115] <... sendmsg resumed>) = 0 [pid 9114] rt_sigprocmask(SIG_SETMASK, [], [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9114] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 9116 attached [pid 9114] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9114] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9115] <... sendmsg resumed>) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9116] set_robust_list(0x7ff2a101e9a0, 24 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9116] <... set_robust_list resumed>) = 0 [pid 9115] <... sendmsg resumed>) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9116] rt_sigprocmask(SIG_SETMASK, [], [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9115] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9115] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9116] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9116] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9114] <... futex resumed>) = 0 [pid 9116] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9114] exit_group(0) = ? [pid 9116] <... futex resumed>) = ? [pid 9115] <... futex resumed>) = ? [pid 9115] +++ exited with 0 +++ [pid 9116] +++ exited with 0 +++ [pid 9114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9117 ./strace-static-x86_64: Process 9117 attached [pid 9117] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9117] setpgid(0, 0) = 0 [pid 9117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9117] write(3, "1000", 4) = 4 [pid 9117] close(3) = 0 [pid 9117] write(1, "executing program\n", 18executing program ) = 18 [pid 9117] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9117] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9117] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9118 attached => {parent_tid=[9118]}, 88) = 9118 [pid 9118] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9118] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9117] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9118] <... futex resumed>) = 0 [pid 9118] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9117] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9118] <... socketpair resumed>[3, 4]) = 0 [pid 9118] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9117] <... futex resumed>) = 0 [pid 9117] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9117] <... futex resumed>) = 0 [pid 9117] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9117] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9119]}, 88) = 9119 [pid 9118] <... sendmsg resumed>) = 0 [pid 9117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9117] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9117] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9119 attached [pid 9119] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9119] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9119] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9117] <... futex resumed>) = 0 [pid 9119] <... futex resumed>) = 1 [pid 9119] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9118] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9118] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9117] exit_group(0 [pid 9118] <... futex resumed>) = ? [pid 9117] <... exit_group resumed>) = ? [pid 9118] +++ exited with 0 +++ [pid 9119] <... futex resumed>) = ? [pid 9119] +++ exited with 0 +++ [pid 9117] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9120 ./strace-static-x86_64: Process 9120 attached [pid 9120] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9120] setpgid(0, 0) = 0 [pid 9120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9120] write(3, "1000", 4) = 4 [pid 9120] close(3) = 0 [pid 9120] write(1, "executing program\n", 18executing program ) = 18 [pid 9120] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9120] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9120] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9120] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9121 attached => {parent_tid=[9121]}, 88) = 9121 [pid 9121] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9121] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9120] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9121] <... futex resumed>) = 0 [pid 9121] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9121] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9121] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9120] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9120] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9121] <... futex resumed>) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9120] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9121] <... sendmsg resumed>) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9120] <... futex resumed>) = 0 [pid 9121] <... sendmsg resumed>) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9121] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9121] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9120] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9120] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9120] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9122]}, 88) = 9122 [pid 9120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9120] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9120] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9122 attached [pid 9122] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9122] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9122] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9122] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9120] <... futex resumed>) = 0 [pid 9120] exit_group(0 [pid 9121] <... futex resumed>) = ? [pid 9120] <... exit_group resumed>) = ? [pid 9121] +++ exited with 0 +++ [pid 9122] <... futex resumed>) = ? [pid 9122] +++ exited with 0 +++ [pid 9120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9123 ./strace-static-x86_64: Process 9123 attached [pid 9123] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9123] setpgid(0, 0) = 0 [pid 9123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9123] write(3, "1000", 4) = 4 [pid 9123] close(3) = 0 executing program [pid 9123] write(1, "executing program\n", 18) = 18 [pid 9123] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9123] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9123] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9124 attached => {parent_tid=[9124]}, 88) = 9124 [pid 9124] set_robust_list(0x7ff2a103f9a0, 24 [pid 9123] rt_sigprocmask(SIG_SETMASK, [], [pid 9124] <... set_robust_list resumed>) = 0 [pid 9124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9124] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9123] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9124] <... futex resumed>) = 0 [pid 9124] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9124] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9123] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9124] <... futex resumed>) = 0 [pid 9124] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9123] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9124] <... futex resumed>) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9123] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9124] <... sendmsg resumed>) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9123] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9124] <... sendmsg resumed>) = 0 [pid 9123] <... mprotect resumed>) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9124] <... sendmsg resumed>) = 0 [pid 9123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9123] <... clone3 resumed> => {parent_tid=[9125]}, 88) = 9125 [pid 9124] <... sendmsg resumed>) = 0 [pid 9123] rt_sigprocmask(SIG_SETMASK, [], [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9124] <... sendmsg resumed>) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9123] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9123] <... futex resumed>) = 0 [pid 9124] <... sendmsg resumed>) = 0 [pid 9123] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9125 attached [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9125] set_robust_list(0x7ff2a101e9a0, 24 [pid 9124] <... sendmsg resumed>) = 0 [pid 9125] <... set_robust_list resumed>) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9125] rt_sigprocmask(SIG_SETMASK, [], [pid 9124] <... sendmsg resumed>) = 0 [pid 9125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9125] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9125] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9123] <... futex resumed>) = 0 [pid 9125] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9124] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9124] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9124] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9123] exit_group(0 [pid 9125] <... futex resumed>) = ? [pid 9124] <... futex resumed>) = ? [pid 9123] <... exit_group resumed>) = ? [pid 9125] +++ exited with 0 +++ [pid 9124] +++ exited with 0 +++ [pid 9123] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9123, si_uid=0, si_status=0, 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 9126 attached , child_tidptr=0x55556cb53690) = 9126 [pid 9126] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9126] setpgid(0, 0) = 0 [pid 9126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9126] write(3, "1000", 4) = 4 [pid 9126] close(3) = 0 [pid 9126] write(1, "executing program\n", 18executing program ) = 18 [pid 9126] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9126] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9126] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9126] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9127 attached [pid 9127] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9127] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9126] <... clone3 resumed> => {parent_tid=[9127]}, 88) = 9127 [pid 9126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9126] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9127] <... futex resumed>) = 0 [pid 9127] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9126] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9127] <... socketpair resumed>[3, 4]) = 0 [pid 9127] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9127] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9126] <... futex resumed>) = 0 [pid 9126] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9127] <... futex resumed>) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9126] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9126] <... futex resumed>) = 0 [pid 9126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9127] <... sendmsg resumed>) = 0 [pid 9126] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9126] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9127] <... sendmsg resumed>) = 0 [pid 9126] <... mprotect resumed>) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9126] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9127] <... sendmsg resumed>) = 0 [pid 9126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9126] <... clone3 resumed> => {parent_tid=[9128]}, 88) = 9128 [pid 9127] <... sendmsg resumed>) = 0 [pid 9126] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 9128 attached NULL, 8) = 0 [pid 9126] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9126] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9127] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9127] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9128] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9128] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9128] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9126] <... futex resumed>) = 0 [pid 9128] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9126] exit_group(0 [pid 9127] <... futex resumed>) = ? [pid 9127] +++ exited with 0 +++ [pid 9126] <... exit_group resumed>) = ? [pid 9128] <... futex resumed>) = ? [pid 9128] +++ exited with 0 +++ [pid 9126] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9130 ./strace-static-x86_64: Process 9130 attached [pid 9130] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9130] setpgid(0, 0) = 0 [pid 9130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9130] write(3, "1000", 4) = 4 [pid 9130] close(3) = 0 executing program [pid 9130] write(1, "executing program\n", 18) = 18 [pid 9130] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9130] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9130] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9130] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9131]}, 88) = 9131 [pid 9130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9130] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9130] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9131 attached [pid 9131] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9131] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9131] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9130] <... futex resumed>) = 0 [pid 9130] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9130] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9130] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9130] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9132 attached => {parent_tid=[9132]}, 88) = 9132 [pid 9130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9130] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9130] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9131] <... futex resumed>) = 1 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9132] set_robust_list(0x7ff2a101e9a0, 24 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9131] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9131] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9132] <... set_robust_list resumed>) = 0 [pid 9132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9132] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9132] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9130] <... futex resumed>) = 0 [pid 9132] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9130] exit_group(0) = ? [pid 9131] <... futex resumed>) = ? [pid 9131] +++ exited with 0 +++ [pid 9132] <... futex resumed>) = ? [pid 9132] +++ exited with 0 +++ [pid 9130] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9133 ./strace-static-x86_64: Process 9133 attached [pid 9133] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9133] setpgid(0, 0) = 0 [pid 9133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9133] write(3, "1000", 4) = 4 [pid 9133] close(3) = 0 [pid 9133] write(1, "executing program\n", 18executing program ) = 18 [pid 9133] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9133] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9133] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9134 attached => {parent_tid=[9134]}, 88) = 9134 [pid 9134] set_robust_list(0x7ff2a103f9a0, 24 [pid 9133] rt_sigprocmask(SIG_SETMASK, [], [pid 9134] <... set_robust_list resumed>) = 0 [pid 9133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9134] rt_sigprocmask(SIG_SETMASK, [], [pid 9133] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9133] <... futex resumed>) = 0 [pid 9134] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9133] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9134] <... socketpair resumed>[3, 4]) = 0 [pid 9134] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9133] <... futex resumed>) = 0 [pid 9134] <... futex resumed>) = 1 [pid 9133] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] <... futex resumed>) = 0 [pid 9134] <... sendmsg resumed>) = 0 [pid 9133] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] <... futex resumed>) = 0 [pid 9134] <... sendmsg resumed>) = 0 [pid 9133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9134] <... sendmsg resumed>) = 0 [pid 9133] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] <... mprotect resumed>) = 0 [pid 9134] <... sendmsg resumed>) = 0 [pid 9133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9134] <... sendmsg resumed>) = 0 [pid 9133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] <... clone3 resumed> => {parent_tid=[9135]}, 88) = 9135 [pid 9134] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 9135 attached [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] rt_sigprocmask(SIG_SETMASK, [], [pid 9135] set_robust_list(0x7ff2a101e9a0, 24 [pid 9134] <... sendmsg resumed>) = 0 [pid 9133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9135] <... set_robust_list resumed>) = 0 [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9133] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9135] rt_sigprocmask(SIG_SETMASK, [], [pid 9133] <... futex resumed>) = 0 [pid 9135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9134] <... sendmsg resumed>) = 0 [pid 9133] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9135] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9135] <... setsockopt resumed>) = 0 [pid 9134] <... sendmsg resumed>) = 0 [pid 9135] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9135] <... futex resumed>) = 1 [pid 9133] <... futex resumed>) = 0 [pid 9135] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9134] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9134] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9134] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9133] exit_group(0 [pid 9134] <... futex resumed>) = ? [pid 9133] <... exit_group resumed>) = ? [pid 9134] +++ exited with 0 +++ [pid 9135] <... futex resumed>) = ? [pid 9135] +++ exited with 0 +++ [pid 9133] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9133, si_uid=0, si_status=0, 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 9136 attached , child_tidptr=0x55556cb53690) = 9136 [pid 9136] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9136] setpgid(0, 0) = 0 [pid 9136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9136] write(3, "1000", 4) = 4 [pid 9136] close(3) = 0 executing program [pid 9136] write(1, "executing program\n", 18) = 18 [pid 9136] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9136] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9136] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9136] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9137 attached [pid 9137] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9137] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9136] <... clone3 resumed> => {parent_tid=[9137]}, 88) = 9137 [pid 9136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9136] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9137] <... futex resumed>) = 0 [pid 9136] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9137] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9137] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9136] <... futex resumed>) = 0 [pid 9136] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9136] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9136] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9136] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9138]}, 88) = 9138 [pid 9136] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9136] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9136] <... futex resumed>) = 0 [pid 9136] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9138 attached [pid 9138] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9138] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9138] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9136] <... futex resumed>) = 0 [pid 9138] <... futex resumed>) = 1 [pid 9138] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9137] <... sendmsg resumed>) = 0 [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9137] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9137] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9136] exit_group(0 [pid 9137] <... futex resumed>) = ? [pid 9138] <... futex resumed>) = ? [pid 9136] <... exit_group resumed>) = ? [pid 9137] +++ exited with 0 +++ [pid 9138] +++ exited with 0 +++ [pid 9136] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9139 ./strace-static-x86_64: Process 9139 attached [pid 9139] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9139] setpgid(0, 0) = 0 [pid 9139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9139] write(3, "1000", 4) = 4 [pid 9139] close(3) = 0 [pid 9139] write(1, "executing program\n", 18executing program ) = 18 [pid 9139] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9139] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9139] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9140 attached => {parent_tid=[9140]}, 88) = 9140 [pid 9140] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9140] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9139] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9140] <... futex resumed>) = 0 [pid 9140] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9139] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9140] <... socketpair resumed>[3, 4]) = 0 [pid 9140] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9140] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9139] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9140] <... futex resumed>) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9139] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9139] <... futex resumed>) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9140] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9140] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9139] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9141 attached => {parent_tid=[9141]}, 88) = 9141 [pid 9141] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9141] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9139] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9141] <... futex resumed>) = 0 [pid 9141] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9141] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9141] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9139] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9139] exit_group(0 [pid 9140] <... futex resumed>) = ? [pid 9139] <... exit_group resumed>) = ? [pid 9140] +++ exited with 0 +++ [pid 9141] <... futex resumed>) = ? [pid 9141] +++ exited with 0 +++ [pid 9139] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9139, si_uid=0, si_status=0, 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 9142 attached , child_tidptr=0x55556cb53690) = 9142 [pid 9142] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9142] setpgid(0, 0) = 0 [pid 9142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9142] write(3, "1000", 4) = 4 executing program [pid 9142] close(3) = 0 [pid 9142] write(1, "executing program\n", 18) = 18 [pid 9142] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9142] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9142] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9142] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9143]}, 88) = 9143 [pid 9142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9142] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9142] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9143 attached [pid 9143] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9143] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9143] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9142] <... futex resumed>) = 0 [pid 9142] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9142] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9142] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9142] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9144]}, 88) = 9144 [pid 9142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9142] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9142] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9143] <... futex resumed>) = 1 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] 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 9144 attached [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9143] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9143] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9144] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9144] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9144] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9142] <... futex resumed>) = 0 [pid 9142] exit_group(0) = ? [pid 9143] <... futex resumed>) = ? [pid 9143] +++ exited with 0 +++ [pid 9144] +++ exited with 0 +++ [pid 9142] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9142, si_uid=0, si_status=0, 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 9145 attached , child_tidptr=0x55556cb53690) = 9145 [pid 9145] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9145] setpgid(0, 0) = 0 [pid 9145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9145] write(3, "1000", 4) = 4 [pid 9145] close(3) = 0 executing program [pid 9145] write(1, "executing program\n", 18) = 18 [pid 9145] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9145] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9145] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9146]}, 88) = 9146 [pid 9145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9145] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9145] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9146 attached [pid 9146] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9146] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9146] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9145] <... futex resumed>) = 0 [pid 9145] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9145] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9145] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9147 attached [pid 9146] <... futex resumed>) = 1 [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9145] <... clone3 resumed> => {parent_tid=[9147]}, 88) = 9147 [pid 9147] set_robust_list(0x7ff2a101e9a0, 24 [pid 9146] <... sendmsg resumed>) = 0 [pid 9145] rt_sigprocmask(SIG_SETMASK, [], [pid 9147] <... set_robust_list resumed>) = 0 [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9146] <... sendmsg resumed>) = 0 [pid 9147] rt_sigprocmask(SIG_SETMASK, [], [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9145] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9146] <... sendmsg resumed>) = 0 [pid 9145] <... futex resumed>) = 0 [pid 9147] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9145] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9147] <... setsockopt resumed>) = 0 [pid 9146] <... sendmsg resumed>) = 0 [pid 9147] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9147] <... futex resumed>) = 1 [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9145] <... futex resumed>) = 0 [pid 9147] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9146] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9146] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9146] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9145] exit_group(0 [pid 9147] <... futex resumed>) = ? [pid 9146] <... futex resumed>) = ? [pid 9145] <... exit_group resumed>) = ? [pid 9147] +++ exited with 0 +++ [pid 9146] +++ exited with 0 +++ [pid 9145] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9145, si_uid=0, si_status=0, 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 9148 attached , child_tidptr=0x55556cb53690) = 9148 [pid 9148] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9148] setpgid(0, 0) = 0 [pid 9148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9148] write(3, "1000", 4) = 4 [pid 9148] close(3) = 0 executing program [pid 9148] write(1, "executing program\n", 18) = 18 [pid 9148] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9148] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9148] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9148] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9149 attached [pid 9149] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9149] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9148] <... clone3 resumed> => {parent_tid=[9149]}, 88) = 9149 [pid 9148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9148] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9149] <... futex resumed>) = 0 [pid 9149] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9149] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9149] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9148] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9148] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9149] <... futex resumed>) = 0 [pid 9148] <... futex resumed>) = 1 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9148] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9149] <... sendmsg resumed>) = 0 [pid 9148] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9148] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9149] <... sendmsg resumed>) = 0 [pid 9148] <... mprotect resumed>) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9148] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9149] <... sendmsg resumed>) = 0 [pid 9148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9148] <... clone3 resumed> => {parent_tid=[9150]}, 88) = 9150 ./strace-static-x86_64: Process 9150 attached [pid 9148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9148] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9148] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9149] <... sendmsg resumed>) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9149] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9149] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9150] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9150] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9150] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9148] <... futex resumed>) = 0 [pid 9150] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9148] exit_group(0) = ? [pid 9149] <... futex resumed>) = ? [pid 9149] +++ exited with 0 +++ [pid 9150] <... futex resumed>) = ? [pid 9150] +++ exited with 0 +++ [pid 9148] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9148, si_uid=0, si_status=0, 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 9151 attached , child_tidptr=0x55556cb53690) = 9151 [pid 9151] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9151] setpgid(0, 0) = 0 [pid 9151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9151] write(3, "1000", 4) = 4 executing program [pid 9151] close(3) = 0 [pid 9151] write(1, "executing program\n", 18) = 18 [pid 9151] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9151] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9151] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9151] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9152 attached => {parent_tid=[9152]}, 88) = 9152 [pid 9151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9151] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9151] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9152] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9152] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9152] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9151] <... futex resumed>) = 0 [pid 9151] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9151] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9151] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9151] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9153 attached [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9151] <... clone3 resumed> => {parent_tid=[9153]}, 88) = 9153 [pid 9153] set_robust_list(0x7ff2a101e9a0, 24 [pid 9152] <... sendmsg resumed>) = 0 [pid 9151] rt_sigprocmask(SIG_SETMASK, [], [pid 9153] <... set_robust_list resumed>) = 0 [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9153] rt_sigprocmask(SIG_SETMASK, [], [pid 9152] <... sendmsg resumed>) = 0 [pid 9151] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9153] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9153] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9153] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9151] <... futex resumed>) = 1 [pid 9153] <... futex resumed>) = 0 [pid 9153] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9152] <... sendmsg resumed>) = 0 [pid 9151] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9152] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9152] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9152] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9151] exit_group(0 [pid 9153] <... futex resumed>) = ? [pid 9152] <... futex resumed>) = ? [pid 9151] <... exit_group resumed>) = ? [pid 9153] +++ exited with 0 +++ [pid 9152] +++ exited with 0 +++ [pid 9151] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9151, si_uid=0, si_status=0, 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 9154 attached , child_tidptr=0x55556cb53690) = 9154 [pid 9154] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9154] setpgid(0, 0) = 0 [pid 9154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9154] write(3, "1000", 4) = 4 [pid 9154] close(3) = 0 [pid 9154] write(1, "executing program\n", 18executing program ) = 18 [pid 9154] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9154] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9154] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9155 attached [pid 9155] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9155] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9154] <... clone3 resumed> => {parent_tid=[9155]}, 88) = 9155 [pid 9154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9154] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9155] <... futex resumed>) = 0 [pid 9154] <... futex resumed>) = 1 [pid 9155] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9154] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9155] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9155] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9154] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9155] <... futex resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9154] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9154] <... futex resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9155] <... sendmsg resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9154] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9154] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9155] <... sendmsg resumed>) = 0 [pid 9154] <... mprotect resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9155] <... sendmsg resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9154] <... clone3 resumed> => {parent_tid=[9156]}, 88) = 9156 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9154] rt_sigprocmask(SIG_SETMASK, [], [pid 9155] <... sendmsg resumed>) = 0 [pid 9154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9154] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9155] <... sendmsg resumed>) = 0 [pid 9154] <... futex resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9154] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9155] <... sendmsg resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] 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 9156 attached ) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9156] set_robust_list(0x7ff2a101e9a0, 24 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9156] <... set_robust_list resumed>) = 0 [pid 9155] <... sendmsg resumed>) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9155] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9155] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9156] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9156] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9154] <... futex resumed>) = 0 [pid 9154] exit_group(0) = ? [pid 9155] <... futex resumed>) = ? [pid 9155] +++ exited with 0 +++ [pid 9156] +++ exited with 0 +++ [pid 9154] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9154, si_uid=0, si_status=0, 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 9157 attached , child_tidptr=0x55556cb53690) = 9157 [pid 9157] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9157] setpgid(0, 0) = 0 [pid 9157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9157] write(3, "1000", 4) = 4 [pid 9157] close(3) = 0 executing program [pid 9157] write(1, "executing program\n", 18) = 18 [pid 9157] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9157] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9157] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9158]}, 88) = 9158 [pid 9157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9157] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9157] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9158 attached [pid 9158] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9158] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9158] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9157] <... futex resumed>) = 0 [pid 9157] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9157] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9157] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9159]}, 88) = 9159 [pid 9157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9157] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9157] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9158] <... futex resumed>) = 1 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9158] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9158] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9159 attached [pid 9159] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9159] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9159] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9157] <... futex resumed>) = 0 [pid 9157] exit_group(0) = ? [pid 9158] <... futex resumed>) = ? [pid 9158] +++ exited with 0 +++ [pid 9159] <... futex resumed>) = ? [pid 9159] +++ exited with 0 +++ [pid 9157] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9160 ./strace-static-x86_64: Process 9160 attached [pid 9160] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9160] setpgid(0, 0) = 0 [pid 9160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9160] write(3, "1000", 4) = 4 [pid 9160] close(3) = 0 executing program [pid 9160] write(1, "executing program\n", 18) = 18 [pid 9160] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9160] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9160] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9160] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9161 attached [pid 9161] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9161] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9160] <... clone3 resumed> => {parent_tid=[9161]}, 88) = 9161 [pid 9160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9160] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9161] <... futex resumed>) = 0 [pid 9161] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9161] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9161] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9160] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9160] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9161] <... futex resumed>) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9160] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9161] <... sendmsg resumed>) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9161] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9161] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9160] <... futex resumed>) = 0 [pid 9160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9160] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9160] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9162]}, 88) = 9162 [pid 9160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9160] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9160] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9162 attached [pid 9162] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9162] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9162] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9160] <... futex resumed>) = 0 [pid 9160] exit_group(0 [pid 9161] <... futex resumed>) = ? [pid 9160] <... exit_group resumed>) = ? [pid 9162] <... futex resumed>) = ? [pid 9161] +++ exited with 0 +++ [pid 9162] +++ exited with 0 +++ [pid 9160] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9163 ./strace-static-x86_64: Process 9163 attached [pid 9163] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9163] setpgid(0, 0) = 0 [pid 9163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9163] write(3, "1000", 4) = 4 [pid 9163] close(3) = 0 executing program [pid 9163] write(1, "executing program\n", 18) = 18 [pid 9163] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9163] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9163] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9163] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9164]}, 88) = 9164 [pid 9163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9163] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9163] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9164 attached [pid 9164] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9164] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9164] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9164] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9163] <... futex resumed>) = 0 [pid 9163] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9163] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9163] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9163] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9165 attached [pid 9164] <... futex resumed>) = 1 [pid 9163] <... clone3 resumed> => {parent_tid=[9165]}, 88) = 9165 [pid 9163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9163] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9163] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9165] set_robust_list(0x7ff2a101e9a0, 24 [pid 9164] <... sendmsg resumed>) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9165] <... set_robust_list resumed>) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9164] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9164] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9165] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9165] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9163] <... futex resumed>) = 0 [pid 9163] exit_group(0 [pid 9164] <... futex resumed>) = ? [pid 9163] <... exit_group resumed>) = ? [pid 9164] +++ exited with 0 +++ [pid 9165] <... futex resumed>) = ? [pid 9165] +++ exited with 0 +++ [pid 9163] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9163, si_uid=0, si_status=0, 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 9166 attached , child_tidptr=0x55556cb53690) = 9166 [pid 9166] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9166] setpgid(0, 0) = 0 [pid 9166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9166] write(3, "1000", 4) = 4 [pid 9166] close(3) = 0 [pid 9166] write(1, "executing program\n", 18executing program ) = 18 [pid 9166] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9166] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9166] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9167 attached => {parent_tid=[9167]}, 88) = 9167 [pid 9167] set_robust_list(0x7ff2a103f9a0, 24 [pid 9166] rt_sigprocmask(SIG_SETMASK, [], [pid 9167] <... set_robust_list resumed>) = 0 [pid 9167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9167] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9166] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9167] <... futex resumed>) = 0 [pid 9166] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9167] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9167] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9166] <... futex resumed>) = 0 [pid 9166] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9166] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9166] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9166] <... clone3 resumed> => {parent_tid=[9168]}, 88) = 9168 [pid 9166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9166] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9166] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9168 attached [pid 9168] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9168] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9168] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9166] <... futex resumed>) = 0 [pid 9168] <... futex resumed>) = 1 [pid 9168] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9167] <... sendmsg resumed>) = 0 [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9167] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9167] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9166] exit_group(0 [pid 9167] <... futex resumed>) = ? [pid 9166] <... exit_group resumed>) = ? [pid 9167] +++ exited with 0 +++ [pid 9168] <... futex resumed>) = ? [pid 9168] +++ exited with 0 +++ [pid 9166] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9169 ./strace-static-x86_64: Process 9169 attached [pid 9169] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9169] setpgid(0, 0) = 0 [pid 9169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9169] write(3, "1000", 4) = 4 [pid 9169] close(3) = 0 [pid 9169] write(1, "executing program\n", 18executing program ) = 18 [pid 9169] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9169] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9169] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9170 attached => {parent_tid=[9170]}, 88) = 9170 [pid 9170] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9170] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9169] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9170] <... futex resumed>) = 0 [pid 9170] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9169] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9170] <... socketpair resumed>[3, 4]) = 0 [pid 9170] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9170] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9169] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9170] <... futex resumed>) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9169] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9170] <... sendmsg resumed>) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9170] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9170] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9169] <... futex resumed>) = 0 [pid 9169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9169] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9169] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9171 attached => {parent_tid=[9171]}, 88) = 9171 [pid 9171] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9171] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9169] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9171] <... futex resumed>) = 0 [pid 9171] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9169] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9171] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9171] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9169] exit_group(0 [pid 9170] <... futex resumed>) = ? [pid 9169] <... exit_group resumed>) = ? [pid 9170] +++ exited with 0 +++ [pid 9171] <... futex resumed>) = ? [pid 9171] +++ exited with 0 +++ [pid 9169] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9169, si_uid=0, si_status=0, 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 9172 attached , child_tidptr=0x55556cb53690) = 9172 [pid 9172] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9172] setpgid(0, 0) = 0 [pid 9172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9172] write(3, "1000", 4) = 4 [pid 9172] close(3) = 0 [pid 9172] write(1, "executing program\n", 18executing program ) = 18 [pid 9172] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9172] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9172] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9172] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9173 attached => {parent_tid=[9173]}, 88) = 9173 [pid 9173] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9173] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9172] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9173] <... futex resumed>) = 0 [pid 9173] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9172] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9173] <... socketpair resumed>[3, 4]) = 0 [pid 9173] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9173] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9172] <... futex resumed>) = 0 [pid 9172] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9173] <... futex resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] <... futex resumed>) = 0 [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9173] <... sendmsg resumed>) = 0 [pid 9172] <... mprotect resumed>) = 0 [pid 9172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] <... clone3 resumed> => {parent_tid=[9174]}, 88) = 9174 [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] 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 9174 attached [pid 9172] rt_sigprocmask(SIG_SETMASK, [], [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9174] set_robust_list(0x7ff2a101e9a0, 24 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9172] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9172] <... futex resumed>) = 0 [pid 9172] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9173] <... sendmsg resumed>) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9173] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9173] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9174] <... set_robust_list resumed>) = 0 [pid 9174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9174] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9174] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9172] <... futex resumed>) = 0 [pid 9172] exit_group(0) = ? [pid 9173] <... futex resumed>) = ? [pid 9173] +++ exited with 0 +++ [pid 9174] +++ exited with 0 +++ [pid 9172] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9175 ./strace-static-x86_64: Process 9175 attached [pid 9175] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9175] setpgid(0, 0) = 0 [pid 9175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9175] write(3, "1000", 4) = 4 [pid 9175] close(3) = 0 [pid 9175] write(1, "executing program\n", 18executing program ) = 18 [pid 9175] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9175] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9175] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9175] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9176 attached => {parent_tid=[9176]}, 88) = 9176 [pid 9176] set_robust_list(0x7ff2a103f9a0, 24 [pid 9175] rt_sigprocmask(SIG_SETMASK, [], [pid 9176] <... set_robust_list resumed>) = 0 [pid 9175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9176] rt_sigprocmask(SIG_SETMASK, [], [pid 9175] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9175] <... futex resumed>) = 0 [pid 9176] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9175] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9176] <... socketpair resumed>[3, 4]) = 0 [pid 9176] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9175] <... futex resumed>) = 0 [pid 9176] <... futex resumed>) = 1 [pid 9175] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] <... futex resumed>) = 0 [pid 9176] <... sendmsg resumed>) = 0 [pid 9175] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] <... futex resumed>) = 0 [pid 9176] <... sendmsg resumed>) = 0 [pid 9175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9176] <... sendmsg resumed>) = 0 [pid 9175] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] <... mprotect resumed>) = 0 [pid 9176] <... sendmsg resumed>) = 0 [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9176] <... sendmsg resumed>) = 0 [pid 9175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] <... clone3 resumed> => {parent_tid=[9177]}, 88) = 9177 ./strace-static-x86_64: Process 9177 attached [pid 9176] <... sendmsg resumed>) = 0 [pid 9175] rt_sigprocmask(SIG_SETMASK, [], [pid 9177] set_robust_list(0x7ff2a101e9a0, 24 [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9177] <... set_robust_list resumed>) = 0 [pid 9176] <... sendmsg resumed>) = 0 [pid 9175] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9177] rt_sigprocmask(SIG_SETMASK, [], [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9175] <... futex resumed>) = 0 [pid 9177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9176] <... sendmsg resumed>) = 0 [pid 9175] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9177] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9177] <... setsockopt resumed>) = 0 [pid 9176] <... sendmsg resumed>) = 0 [pid 9177] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9177] <... futex resumed>) = 1 [pid 9175] <... futex resumed>) = 0 [pid 9177] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9176] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9176] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9176] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9175] exit_group(0) = ? [pid 9176] <... futex resumed>) = ? [pid 9177] <... futex resumed>) = ? [pid 9177] +++ exited with 0 +++ [pid 9176] +++ exited with 0 +++ [pid 9175] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9175, 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 9178 attached , child_tidptr=0x55556cb53690) = 9178 [pid 9178] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9178] setpgid(0, 0) = 0 [pid 9178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9178] write(3, "1000", 4) = 4 [pid 9178] close(3) = 0 [pid 9178] write(1, "executing program\n", 18executing program ) = 18 [pid 9178] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9178] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9178] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9178] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9179 attached => {parent_tid=[9179]}, 88) = 9179 [pid 9179] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9179] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9178] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9179] <... futex resumed>) = 0 [pid 9179] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9178] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9179] <... socketpair resumed>[3, 4]) = 0 [pid 9179] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9179] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9178] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9179] <... futex resumed>) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9178] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9178] <... futex resumed>) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9179] <... sendmsg resumed>) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9178] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9179] <... sendmsg resumed>) = 0 [pid 9178] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9178] <... mprotect resumed>) = 0 [pid 9179] <... sendmsg resumed>) = 0 [pid 9178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9178] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9179] <... sendmsg resumed>) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9178] <... clone3 resumed> => {parent_tid=[9180]}, 88) = 9180 [pid 9179] <... sendmsg resumed>) = 0 [pid 9178] rt_sigprocmask(SIG_SETMASK, [], [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9178] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9179] <... sendmsg resumed>) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9178] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9179] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9179] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9180 attached [pid 9180] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9180] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9180] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9178] <... futex resumed>) = 0 [pid 9180] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9178] exit_group(0) = ? [pid 9179] <... futex resumed>) = ? [pid 9179] +++ exited with 0 +++ [pid 9180] <... futex resumed>) = ? [pid 9180] +++ exited with 0 +++ [pid 9178] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9181 ./strace-static-x86_64: Process 9181 attached [pid 9181] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9181] setpgid(0, 0) = 0 [pid 9181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9181] write(3, "1000", 4) = 4 [pid 9181] close(3) = 0 executing program [pid 9181] write(1, "executing program\n", 18) = 18 [pid 9181] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9181] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9181] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9181] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9182]}, 88) = 9182 [pid 9181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9181] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9181] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9182 attached [pid 9182] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9182] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9182] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9181] <... futex resumed>) = 0 [pid 9181] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9181] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9181] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9181] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9183 attached [pid 9182] <... futex resumed>) = 1 [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9181] <... clone3 resumed> => {parent_tid=[9183]}, 88) = 9183 [pid 9181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9181] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9182] <... sendmsg resumed>) = 0 [pid 9181] <... futex resumed>) = 0 [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9181] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9182] <... sendmsg resumed>) = 0 [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9183] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9182] <... sendmsg resumed>) = 0 [pid 9183] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9183] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9183] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9181] <... futex resumed>) = 0 [pid 9183] <... futex resumed>) = 1 [pid 9183] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9182] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9182] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9181] exit_group(0) = ? [pid 9183] <... futex resumed>) = ? [pid 9182] <... futex resumed>) = ? [pid 9183] +++ exited with 0 +++ [pid 9182] +++ exited with 0 +++ [pid 9181] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9184 ./strace-static-x86_64: Process 9184 attached [pid 9184] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9184] setpgid(0, 0) = 0 [pid 9184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9184] write(3, "1000", 4) = 4 [pid 9184] close(3) = 0 executing program [pid 9184] write(1, "executing program\n", 18) = 18 [pid 9184] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9184] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9184] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9185 attached => {parent_tid=[9185]}, 88) = 9185 [pid 9185] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9185] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9184] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9185] <... futex resumed>) = 0 [pid 9185] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9185] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9185] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9184] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9184] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9185] <... futex resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9184] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9184] <... futex resumed>) = 0 [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9184] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9185] <... sendmsg resumed>) = 0 [pid 9184] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9184] <... mprotect resumed>) = 0 [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9184] <... clone3 resumed> => {parent_tid=[9186]}, 88) = 9186 [pid 9184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9184] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9184] <... futex resumed>) = 0 [pid 9184] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9185] 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 9186 attached ) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9186] set_robust_list(0x7ff2a101e9a0, 24 [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9186] <... set_robust_list resumed>) = 0 [pid 9185] <... sendmsg resumed>) = 0 [pid 9186] rt_sigprocmask(SIG_SETMASK, [], [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9186] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9185] <... sendmsg resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9186] <... setsockopt resumed>) = 0 [pid 9185] <... sendmsg resumed>) = 0 [pid 9186] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9186] <... futex resumed>) = 1 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9186] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9185] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9184] <... futex resumed>) = 0 [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9185] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9185] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9185] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9184] exit_group(0 [pid 9185] <... futex resumed>) = ? [pid 9184] <... exit_group resumed>) = ? [pid 9185] +++ exited with 0 +++ [pid 9186] <... futex resumed>) = ? [pid 9186] +++ exited with 0 +++ [pid 9184] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9184, si_uid=0, si_status=0, 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 9187 attached , child_tidptr=0x55556cb53690) = 9187 [pid 9187] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9187] setpgid(0, 0) = 0 [pid 9187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9187] write(3, "1000", 4) = 4 [pid 9187] close(3) = 0 [pid 9187] write(1, "executing program\n", 18executing program ) = 18 [pid 9187] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9187] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9187] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9187] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9188]}, 88) = 9188 [pid 9187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9187] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9187] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9188 attached [pid 9188] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9188] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9188] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9188] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9187] <... futex resumed>) = 0 [pid 9187] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9187] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9187] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9187] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9187] <... clone3 resumed> => {parent_tid=[9189]}, 88) = 9189 [pid 9188] <... sendmsg resumed>) = 0 [pid 9187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9187] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9187] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9189 attached [pid 9189] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9189] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9189] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9187] <... futex resumed>) = 0 [pid 9189] <... futex resumed>) = 1 [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9189] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9188] <... sendmsg resumed>) = 0 [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9188] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9188] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9187] exit_group(0 [pid 9188] <... futex resumed>) = ? [pid 9187] <... exit_group resumed>) = ? [pid 9189] <... futex resumed>) = ? [pid 9188] +++ exited with 0 +++ [pid 9189] +++ exited with 0 +++ [pid 9187] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9187, si_uid=0, si_status=0, 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 9190 attached , child_tidptr=0x55556cb53690) = 9190 [pid 9190] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9190] setpgid(0, 0) = 0 [pid 9190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9190] write(3, "1000", 4) = 4 [pid 9190] close(3) = 0 [pid 9190] write(1, "executing program\n", 18executing program ) = 18 [pid 9190] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9190] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9190] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9191 attached => {parent_tid=[9191]}, 88) = 9191 [pid 9191] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9191] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9190] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9191] <... futex resumed>) = 0 [pid 9191] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9190] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9191] <... socketpair resumed>[3, 4]) = 0 [pid 9191] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9191] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9190] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9191] <... futex resumed>) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9190] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] <... futex resumed>) = 0 [pid 9191] <... sendmsg resumed>) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9191] <... sendmsg resumed>) = 0 [pid 9190] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9191] <... sendmsg resumed>) = 0 [pid 9190] <... mprotect resumed>) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9191] <... sendmsg resumed>) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9191] <... sendmsg resumed>) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] <... clone3 resumed> => {parent_tid=[9192]}, 88) = 9192 [pid 9190] rt_sigprocmask(SIG_SETMASK, [], [pid 9191] <... sendmsg resumed>) = 0 [pid 9190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9191] <... sendmsg resumed>) = 0 [pid 9190] <... futex resumed>) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9190] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9191] <... sendmsg resumed>) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] 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 9192 attached ) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9191] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9192] set_robust_list(0x7ff2a101e9a0, 24 [pid 9191] <... sendmsg resumed>) = 0 [pid 9191] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9191] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9192] <... set_robust_list resumed>) = 0 [pid 9192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9192] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9192] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9190] <... futex resumed>) = 0 [pid 9190] exit_group(0) = ? [pid 9191] <... futex resumed>) = ? [pid 9191] +++ exited with 0 +++ [pid 9192] +++ exited with 0 +++ [pid 9190] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9193 ./strace-static-x86_64: Process 9193 attached [pid 9193] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9193] setpgid(0, 0) = 0 [pid 9193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9193] write(3, "1000", 4) = 4 [pid 9193] close(3) = 0 executing program [pid 9193] write(1, "executing program\n", 18) = 18 [pid 9193] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9193] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9193] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9193] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9194]}, 88) = 9194 [pid 9193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9193] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9193] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9194 attached [pid 9194] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9194] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9194] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9193] <... futex resumed>) = 0 [pid 9193] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9193] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9193] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9194] <... futex resumed>) = 1 [pid 9193] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9195 attached => {parent_tid=[9195]}, 88) = 9195 [pid 9195] set_robust_list(0x7ff2a101e9a0, 24 [pid 9193] rt_sigprocmask(SIG_SETMASK, [], [pid 9195] <... set_robust_list resumed>) = 0 [pid 9193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9195] rt_sigprocmask(SIG_SETMASK, [], [pid 9193] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9193] <... futex resumed>) = 0 [pid 9195] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9193] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9195] <... setsockopt resumed>) = 0 [pid 9195] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9193] <... futex resumed>) = 0 [pid 9195] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9194] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9193] exit_group(0 [pid 9194] <... futex resumed>) = ? [pid 9193] <... exit_group resumed>) = ? [pid 9194] +++ exited with 0 +++ [pid 9195] <... futex resumed>) = ? [pid 9195] +++ exited with 0 +++ [pid 9193] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9196 ./strace-static-x86_64: Process 9196 attached [pid 9196] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9196] setpgid(0, 0) = 0 [pid 9196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9196] write(3, "1000", 4) = 4 [pid 9196] close(3) = 0 [pid 9196] write(1, "executing program\n", 18executing program ) = 18 [pid 9196] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9196] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9196] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9196] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9197 attached => {parent_tid=[9197]}, 88) = 9197 [pid 9197] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9197] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9196] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9197] <... futex resumed>) = 0 [pid 9196] <... futex resumed>) = 1 [pid 9197] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9196] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9197] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9197] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9196] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9197] <... futex resumed>) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9196] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9196] <... futex resumed>) = 0 [pid 9197] <... sendmsg resumed>) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9197] <... sendmsg resumed>) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9197] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9197] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9196] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9196] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9198 attached [pid 9198] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9198] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] <... clone3 resumed> => {parent_tid=[9198]}, 88) = 9198 [pid 9196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9196] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9198] <... futex resumed>) = 0 [pid 9198] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9198] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9198] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9196] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9196] exit_group(0) = ? [pid 9197] <... futex resumed>) = ? [pid 9197] +++ exited with 0 +++ [pid 9198] <... futex resumed>) = ? [pid 9198] +++ exited with 0 +++ [pid 9196] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9199 ./strace-static-x86_64: Process 9199 attached [pid 9199] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9199] setpgid(0, 0) = 0 [pid 9199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9199] write(3, "1000", 4) = 4 [pid 9199] close(3) = 0 [pid 9199] write(1, "executing program\n", 18executing program ) = 18 [pid 9199] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9199] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9199] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9200 attached => {parent_tid=[9200]}, 88) = 9200 [pid 9200] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9200] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9199] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9200] <... futex resumed>) = 0 [pid 9200] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9199] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9200] <... socketpair resumed>[3, 4]) = 0 [pid 9200] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9200] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9199] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9200] <... futex resumed>) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9199] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9199] <... futex resumed>) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9200] <... sendmsg resumed>) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9199] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9200] <... sendmsg resumed>) = 0 [pid 9199] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9199] <... mprotect resumed>) = 0 [pid 9200] <... sendmsg resumed>) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9200] <... sendmsg resumed>) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9200] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9200] <... sendmsg resumed>) = 0 [pid 9200] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9200] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9201 attached [pid 9199] <... clone3 resumed> => {parent_tid=[9201]}, 88) = 9201 [pid 9201] set_robust_list(0x7ff2a101e9a0, 24 [pid 9199] rt_sigprocmask(SIG_SETMASK, [], [pid 9201] <... set_robust_list resumed>) = 0 [pid 9199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9201] rt_sigprocmask(SIG_SETMASK, [], [pid 9199] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9199] <... futex resumed>) = 0 [pid 9201] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9199] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9201] <... setsockopt resumed>) = 0 [pid 9201] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9199] <... futex resumed>) = 0 [pid 9201] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9199] exit_group(0 [pid 9200] <... futex resumed>) = ? [pid 9199] <... exit_group resumed>) = ? [pid 9200] +++ exited with 0 +++ [pid 9201] <... futex resumed>) = ? [pid 9201] +++ exited with 0 +++ [pid 9199] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9202 ./strace-static-x86_64: Process 9202 attached [pid 9202] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9202] setpgid(0, 0) = 0 [pid 9202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9202] write(3, "1000", 4) = 4 [pid 9202] close(3) = 0 [pid 9202] write(1, "executing program\n", 18executing program ) = 18 [pid 9202] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9202] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9202] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9202] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9203 attached => {parent_tid=[9203]}, 88) = 9203 [pid 9203] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9203] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9202] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9203] <... futex resumed>) = 0 [pid 9203] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9202] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9203] <... socketpair resumed>[3, 4]) = 0 [pid 9203] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9203] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9202] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9203] <... futex resumed>) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9202] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9203] <... sendmsg resumed>) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9203] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9203] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] <... futex resumed>) = 0 [pid 9202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9202] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9202] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9204 attached [pid 9204] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9204] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] <... clone3 resumed> => {parent_tid=[9204]}, 88) = 9204 [pid 9202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9202] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9204] <... futex resumed>) = 0 [pid 9204] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9204] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9204] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9202] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9202] exit_group(0) = ? [pid 9203] <... futex resumed>) = ? [pid 9203] +++ exited with 0 +++ [pid 9204] <... futex resumed>) = ? [pid 9204] +++ exited with 0 +++ [pid 9202] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9202, si_uid=0, si_status=0, 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 9205 attached , child_tidptr=0x55556cb53690) = 9205 [pid 9205] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9205] setpgid(0, 0) = 0 [pid 9205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9205] write(3, "1000", 4) = 4 [pid 9205] close(3) = 0 executing program [pid 9205] write(1, "executing program\n", 18) = 18 [pid 9205] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9205] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9205] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9205] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9206 attached [pid 9206] set_robust_list(0x7ff2a103f9a0, 24 [pid 9205] <... clone3 resumed> => {parent_tid=[9206]}, 88) = 9206 [pid 9206] <... set_robust_list resumed>) = 0 [pid 9205] rt_sigprocmask(SIG_SETMASK, [], [pid 9206] rt_sigprocmask(SIG_SETMASK, [], [pid 9205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9205] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9206] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9205] <... futex resumed>) = 0 [pid 9205] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9206] <... socketpair resumed>[3, 4]) = 0 [pid 9206] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9205] <... futex resumed>) = 0 [pid 9205] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9205] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9205] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9207 attached [pid 9206] <... sendmsg resumed>) = 0 [pid 9205] <... clone3 resumed> => {parent_tid=[9207]}, 88) = 9207 [pid 9205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9205] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9205] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9207] set_robust_list(0x7ff2a101e9a0, 24 [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9207] <... set_robust_list resumed>) = 0 [pid 9206] <... sendmsg resumed>) = 0 [pid 9207] rt_sigprocmask(SIG_SETMASK, [], [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9206] <... sendmsg resumed>) = 0 [pid 9207] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9207] <... setsockopt resumed>) = 0 [pid 9206] <... sendmsg resumed>) = 0 [pid 9207] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9207] <... futex resumed>) = 1 [pid 9206] <... sendmsg resumed>) = 0 [pid 9205] <... futex resumed>) = 0 [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9207] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9206] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9206] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9206] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9205] exit_group(0 [pid 9206] <... futex resumed>) = ? [pid 9205] <... exit_group resumed>) = ? [pid 9206] +++ exited with 0 +++ [pid 9207] <... futex resumed>) = ? [pid 9207] +++ exited with 0 +++ [pid 9205] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9205, 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=0x55556cb53690) = 9208 ./strace-static-x86_64: Process 9208 attached [pid 9208] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9208] setpgid(0, 0) = 0 [pid 9208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9208] write(3, "1000", 4) = 4 [pid 9208] close(3) = 0 [pid 9208] write(1, "executing program\n", 18executing program ) = 18 [pid 9208] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9208] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9208] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9208] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9209 attached [pid 9209] set_robust_list(0x7ff2a103f9a0, 24 [pid 9208] <... clone3 resumed> => {parent_tid=[9209]}, 88) = 9209 [pid 9209] <... set_robust_list resumed>) = 0 [pid 9209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9209] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9208] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9209] <... futex resumed>) = 0 [pid 9208] <... futex resumed>) = 1 [pid 9209] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9208] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9209] <... socketpair resumed>[3, 4]) = 0 [pid 9209] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9209] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9208] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9209] <... futex resumed>) = 0 [pid 9208] <... futex resumed>) = 1 [pid 9208] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9208] <... futex resumed>) = 0 [pid 9208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9209] <... sendmsg resumed>) = 0 [pid 9208] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9208] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9209] <... sendmsg resumed>) = 0 [pid 9208] <... mprotect resumed>) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9208] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9209] <... sendmsg resumed>) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9208] <... clone3 resumed> => {parent_tid=[9210]}, 88) = 9210 [pid 9208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9208] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9208] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9209] <... sendmsg resumed>) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] 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 9210 attached ) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9210] set_robust_list(0x7ff2a101e9a0, 24 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9210] <... set_robust_list resumed>) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9210] rt_sigprocmask(SIG_SETMASK, [], [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9210] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9209] <... sendmsg resumed>) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9210] <... setsockopt resumed>) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9210] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9209] <... sendmsg resumed>) = 0 [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9209] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9209] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9209] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9210] <... futex resumed>) = 1 [pid 9208] <... futex resumed>) = 0 [pid 9208] exit_group(0) = ? [pid 9209] <... futex resumed>) = ? [pid 9210] +++ exited with 0 +++ [pid 9209] +++ exited with 0 +++ [pid 9208] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9208, si_uid=0, si_status=0, 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 9211 attached , child_tidptr=0x55556cb53690) = 9211 [pid 9211] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9211] setpgid(0, 0) = 0 [pid 9211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9211] write(3, "1000", 4) = 4 [pid 9211] close(3executing program ) = 0 [pid 9211] write(1, "executing program\n", 18) = 18 [pid 9211] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9211] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9211] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9211] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9212 attached => {parent_tid=[9212]}, 88) = 9212 [pid 9212] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9212] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9211] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9212] <... futex resumed>) = 0 [pid 9212] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9211] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9212] <... socketpair resumed>[3, 4]) = 0 [pid 9212] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9212] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9211] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9212] <... futex resumed>) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9211] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9212] <... sendmsg resumed>) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9211] <... futex resumed>) = 0 [pid 9211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9212] <... sendmsg resumed>) = 0 [pid 9211] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9211] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9212] <... sendmsg resumed>) = 0 [pid 9211] <... mprotect resumed>) = 0 [pid 9211] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9211] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9212] <... sendmsg resumed>) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9211] <... clone3 resumed> => {parent_tid=[9213]}, 88) = 9213 [pid 9211] rt_sigprocmask(SIG_SETMASK, [], [pid 9212] <... sendmsg resumed>) = 0 [pid 9211] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 9213 attached [pid 9211] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9211] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9213] set_robust_list(0x7ff2a101e9a0, 24 [pid 9212] <... sendmsg resumed>) = 0 [pid 9213] <... set_robust_list resumed>) = 0 [pid 9213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9213] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9213] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9211] <... futex resumed>) = 0 [pid 9213] <... futex resumed>) = 1 [pid 9213] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9212] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9212] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9211] exit_group(0) = ? [pid 9213] <... futex resumed>) = ? [pid 9213] +++ exited with 0 +++ [pid 9212] <... futex resumed>) = ? [pid 9212] +++ exited with 0 +++ [pid 9211] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9214 ./strace-static-x86_64: Process 9214 attached [pid 9214] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9214] setpgid(0, 0) = 0 [pid 9214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 9214] write(3, "1000", 4) = 4 [pid 9214] close(3) = 0 [pid 9214] write(1, "executing program\n", 18) = 18 [pid 9214] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9214] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9214] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9215 attached [pid 9215] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9215] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9214] <... clone3 resumed> => {parent_tid=[9215]}, 88) = 9215 [pid 9214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9214] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9215] <... futex resumed>) = 0 [pid 9214] <... futex resumed>) = 1 [pid 9215] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9214] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9215] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9215] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9214] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9215] <... futex resumed>) = 0 [pid 9214] <... futex resumed>) = 1 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9214] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9215] <... sendmsg resumed>) = 0 [pid 9214] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9214] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9215] <... sendmsg resumed>) = 0 [pid 9214] <... mprotect resumed>) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9214] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9215] <... sendmsg resumed>) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9214] <... clone3 resumed> => {parent_tid=[9216]}, 88) = 9216 [pid 9215] <... sendmsg resumed>) = 0 [pid 9214] rt_sigprocmask(SIG_SETMASK, [], [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9214] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9215] <... sendmsg resumed>) = 0 [pid 9214] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] 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 9216 attached [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9216] set_robust_list(0x7ff2a101e9a0, 24 [pid 9215] <... sendmsg resumed>) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9216] <... set_robust_list resumed>) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9216] rt_sigprocmask(SIG_SETMASK, [], [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9216] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9216] <... setsockopt resumed>) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9216] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9215] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9215] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9215] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9215] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9216] <... futex resumed>) = 1 [pid 9214] <... futex resumed>) = 0 [pid 9214] exit_group(0) = ? [pid 9216] +++ exited with 0 +++ [pid 9215] <... futex resumed>) = ? [pid 9215] +++ exited with 0 +++ [pid 9214] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9214, si_uid=0, si_status=0, 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 9217 attached , child_tidptr=0x55556cb53690) = 9217 [pid 9217] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9217] setpgid(0, 0) = 0 [pid 9217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9217] write(3, "1000", 4) = 4 [pid 9217] close(3) = 0 [pid 9217] write(1, "executing program\n", 18executing program ) = 18 [pid 9217] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9217] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9217] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9218 attached => {parent_tid=[9218]}, 88) = 9218 [pid 9218] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9218] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9217] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9218] <... futex resumed>) = 0 [pid 9218] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9217] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9218] <... socketpair resumed>[3, 4]) = 0 [pid 9218] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9217] <... futex resumed>) = 0 [pid 9217] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9217] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9217] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9219]}, 88) = 9219 [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9217] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9217] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9219 attached [pid 9219] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9219] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9218] <... sendmsg resumed>) = 0 [pid 9219] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9217] <... futex resumed>) = 0 [pid 9218] <... sendmsg resumed>) = 0 [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9219] <... futex resumed>) = 1 [pid 9218] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9219] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9218] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9218] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9217] exit_group(0 [pid 9218] <... futex resumed>) = ? [pid 9217] <... exit_group resumed>) = ? [pid 9219] <... futex resumed>) = ? [pid 9218] +++ exited with 0 +++ [pid 9219] +++ exited with 0 +++ [pid 9217] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9220 ./strace-static-x86_64: Process 9220 attached [pid 9220] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9220] setpgid(0, 0) = 0 [pid 9220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9220] write(3, "1000", 4) = 4 [pid 9220] close(3executing program ) = 0 [pid 9220] write(1, "executing program\n", 18) = 18 [pid 9220] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9220] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9220] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9221 attached => {parent_tid=[9221]}, 88) = 9221 [pid 9221] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9221] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9220] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9221] <... futex resumed>) = 0 [pid 9220] <... futex resumed>) = 1 [pid 9221] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9220] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9221] <... socketpair resumed>[3, 4]) = 0 [pid 9221] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9221] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9220] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9221] <... futex resumed>) = 0 [pid 9220] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9220] <... futex resumed>) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9221] <... sendmsg resumed>) = 0 [pid 9220] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9220] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9221] <... sendmsg resumed>) = 0 [pid 9220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9221] <... sendmsg resumed>) = 0 [pid 9220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9220] <... clone3 resumed> => {parent_tid=[9222]}, 88) = 9222 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9221] <... sendmsg resumed>) = 0 [pid 9220] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9220] <... futex resumed>) = 0 [pid 9220] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9221] <... sendmsg resumed>) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9221] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9221] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9222 attached [pid 9222] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9222] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9222] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9220] <... futex resumed>) = 0 [pid 9220] exit_group(0) = ? [pid 9221] <... futex resumed>) = ? [pid 9221] +++ exited with 0 +++ [pid 9222] +++ exited with 0 +++ [pid 9220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9223 ./strace-static-x86_64: Process 9223 attached [pid 9223] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9223] setpgid(0, 0) = 0 [pid 9223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9223] write(3, "1000", 4) = 4 [pid 9223] close(3) = 0 [pid 9223] write(1, "executing program\n", 18executing program ) = 18 [pid 9223] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9223] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9223] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9224 attached => {parent_tid=[9224]}, 88) = 9224 [pid 9224] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9224] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9224] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9223] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9224] <... futex resumed>) = 0 [pid 9224] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9223] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9224] <... socketpair resumed>[3, 4]) = 0 [pid 9224] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9224] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9223] <... futex resumed>) = 0 [pid 9223] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9224] <... futex resumed>) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9223] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9223] <... futex resumed>) = 0 [pid 9223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9224] <... sendmsg resumed>) = 0 [pid 9223] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9223] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9224] <... sendmsg resumed>) = 0 [pid 9223] <... mprotect resumed>) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9224] <... sendmsg resumed>) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9223] <... clone3 resumed> => {parent_tid=[9225]}, 88) = 9225 [pid 9223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9224] <... sendmsg resumed>) = 0 [pid 9223] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9223] <... futex resumed>) = 0 ./strace-static-x86_64: Process 9225 attached [pid 9223] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9224] <... sendmsg resumed>) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9225] set_robust_list(0x7ff2a101e9a0, 24 [pid 9224] <... sendmsg resumed>) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9225] <... set_robust_list resumed>) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9225] rt_sigprocmask(SIG_SETMASK, [], [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9225] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9224] <... sendmsg resumed>) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9224] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9225] <... setsockopt resumed>) = 0 [pid 9224] <... sendmsg resumed>) = 0 [pid 9224] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9224] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9225] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9223] <... futex resumed>) = 0 [pid 9223] exit_group(0) = ? [pid 9224] <... futex resumed>) = ? [pid 9224] +++ exited with 0 +++ [pid 9225] +++ exited with 0 +++ [pid 9223] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9226 ./strace-static-x86_64: Process 9226 attached [pid 9226] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9226] setpgid(0, 0) = 0 [pid 9226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9226] write(3, "1000", 4) = 4 [pid 9226] close(3) = 0 executing program [pid 9226] write(1, "executing program\n", 18) = 18 [pid 9226] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9226] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9226] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9227 attached => {parent_tid=[9227]}, 88) = 9227 [pid 9227] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9227] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9226] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9227] <... futex resumed>) = 0 [pid 9227] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9227] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9227] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9226] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9226] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9227] <... futex resumed>) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9226] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9226] <... futex resumed>) = 0 [pid 9226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9227] <... sendmsg resumed>) = 0 [pid 9226] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9226] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9227] <... sendmsg resumed>) = 0 [pid 9226] <... mprotect resumed>) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9227] <... sendmsg resumed>) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9226] <... clone3 resumed> => {parent_tid=[9228]}, 88) = 9228 [pid 9226] rt_sigprocmask(SIG_SETMASK, [], [pid 9227] <... sendmsg resumed>) = 0 [pid 9226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9226] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9227] <... sendmsg resumed>) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9226] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9227] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9227] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9228 attached [pid 9228] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9228] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9228] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9226] <... futex resumed>) = 0 [pid 9226] exit_group(0) = ? [pid 9227] <... futex resumed>) = ? [pid 9227] +++ exited with 0 +++ [pid 9228] +++ exited with 0 +++ [pid 9226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9226, si_uid=0, si_status=0, 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 9229 attached , child_tidptr=0x55556cb53690) = 9229 [pid 9229] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9229] setpgid(0, 0) = 0 [pid 9229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9229] write(3, "1000", 4) = 4 [pid 9229] close(3) = 0 [pid 9229] write(1, "executing program\n", 18executing program ) = 18 [pid 9229] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9229] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9229] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9230 attached [pid 9230] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9230] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9229] <... clone3 resumed> => {parent_tid=[9230]}, 88) = 9230 [pid 9229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9229] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9230] <... futex resumed>) = 0 [pid 9229] <... futex resumed>) = 1 [pid 9230] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9229] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9230] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9230] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9229] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9230] <... futex resumed>) = 0 [pid 9229] <... futex resumed>) = 1 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9229] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9230] <... sendmsg resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9229] <... futex resumed>) = 0 [pid 9230] <... sendmsg resumed>) = 0 [pid 9229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9229] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9230] <... sendmsg resumed>) = 0 [pid 9229] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9229] <... mprotect resumed>) = 0 [pid 9230] <... sendmsg resumed>) = 0 [pid 9229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9230] <... sendmsg resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9229] <... clone3 resumed> => {parent_tid=[9231]}, 88) = 9231 [pid 9229] rt_sigprocmask(SIG_SETMASK, [], [pid 9230] <... sendmsg resumed>) = 0 [pid 9229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9229] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9230] <... sendmsg resumed>) = 0 [pid 9229] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] 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 9231 attached [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9231] set_robust_list(0x7ff2a101e9a0, 24 [pid 9230] <... sendmsg resumed>) = 0 [pid 9231] <... set_robust_list resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9231] rt_sigprocmask(SIG_SETMASK, [], [pid 9230] <... sendmsg resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9230] <... sendmsg resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9231] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9230] <... sendmsg resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9231] <... setsockopt resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9231] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9230] <... sendmsg resumed>) = 0 [pid 9230] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9230] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9231] <... futex resumed>) = 1 [pid 9230] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9229] <... futex resumed>) = 0 [pid 9229] exit_group(0 [pid 9231] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9229] <... exit_group resumed>) = ? [pid 9231] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 9230] <... futex resumed>) = ? [pid 9231] +++ exited with 0 +++ [pid 9230] +++ exited with 0 +++ [pid 9229] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9232 ./strace-static-x86_64: Process 9232 attached [pid 9232] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9232] setpgid(0, 0) = 0 [pid 9232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9232] write(3, "1000", 4) = 4 [pid 9232] close(3executing program ) = 0 [pid 9232] write(1, "executing program\n", 18) = 18 [pid 9232] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9232] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9232] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9233 attached => {parent_tid=[9233]}, 88) = 9233 [pid 9233] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9233] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9232] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9233] <... futex resumed>) = 0 [pid 9232] <... futex resumed>) = 1 [pid 9233] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9232] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9233] <... socketpair resumed>[3, 4]) = 0 [pid 9233] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9233] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] <... futex resumed>) = 0 [pid 9232] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9232] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9233] <... futex resumed>) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] <... futex resumed>) = 0 [pid 9233] <... sendmsg resumed>) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9233] <... sendmsg resumed>) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9233] <... sendmsg resumed>) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] <... mprotect resumed>) = 0 [pid 9233] <... sendmsg resumed>) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9232] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9233] <... sendmsg resumed>) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9233] <... sendmsg resumed>) = 0 [pid 9232] <... clone3 resumed> => {parent_tid=[9234]}, 88) = 9234 ./strace-static-x86_64: Process 9234 attached [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] rt_sigprocmask(SIG_SETMASK, [], [pid 9234] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9234] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9233] <... sendmsg resumed>) = 0 [pid 9232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9233] <... sendmsg resumed>) = 0 [pid 9234] <... futex resumed>) = 0 [pid 9234] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9234] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9234] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9232] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9233] <... sendmsg resumed>) = 0 [pid 9232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9233] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9233] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9232] exit_group(0) = ? [pid 9233] <... futex resumed>) = ? [pid 9233] +++ exited with 0 +++ [pid 9234] <... futex resumed>) = ? [pid 9234] +++ exited with 0 +++ [pid 9232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9235 ./strace-static-x86_64: Process 9235 attached [pid 9235] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9235] setpgid(0, 0) = 0 [pid 9235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9235] write(3, "1000", 4) = 4 [pid 9235] close(3) = 0 [pid 9235] write(1, "executing program\n", 18executing program ) = 18 [pid 9235] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9235] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9235] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9236 attached => {parent_tid=[9236]}, 88) = 9236 [pid 9236] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9236] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9235] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9236] <... futex resumed>) = 0 [pid 9236] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9235] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9236] <... socketpair resumed>[3, 4]) = 0 [pid 9236] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9235] <... futex resumed>) = 0 [pid 9235] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9235] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9235] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9235] <... clone3 resumed> => {parent_tid=[9237]}, 88) = 9237 [pid 9235] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9235] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9235] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9237 attached [pid 9237] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9237] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9237] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9235] <... futex resumed>) = 0 [pid 9237] <... futex resumed>) = 1 [pid 9237] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9236] <... sendmsg resumed>) = 0 [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9236] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9236] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9235] exit_group(0 [pid 9237] <... futex resumed>) = ? [pid 9236] <... futex resumed>) = ? [pid 9235] <... exit_group resumed>) = ? [pid 9236] +++ exited with 0 +++ [pid 9237] +++ exited with 0 +++ [pid 9235] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9238 ./strace-static-x86_64: Process 9238 attached [pid 9238] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9238] setpgid(0, 0) = 0 [pid 9238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9238] write(3, "1000", 4) = 4 [pid 9238] close(3) = 0 executing program [pid 9238] write(1, "executing program\n", 18) = 18 [pid 9238] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9238] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9238] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9239 attached => {parent_tid=[9239]}, 88) = 9239 [pid 9239] set_robust_list(0x7ff2a103f9a0, 24 [pid 9238] rt_sigprocmask(SIG_SETMASK, [], [pid 9239] <... set_robust_list resumed>) = 0 [pid 9238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9239] rt_sigprocmask(SIG_SETMASK, [], [pid 9238] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9238] <... futex resumed>) = 0 [pid 9239] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9238] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9239] <... socketpair resumed>[3, 4]) = 0 [pid 9239] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9238] <... futex resumed>) = 0 [pid 9238] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9238] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9238] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9240]}, 88) = 9240 [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9238] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9238] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9240 attached [pid 9240] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9240] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9240] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9238] <... futex resumed>) = 0 [pid 9239] <... sendmsg resumed>) = 0 [pid 9240] <... futex resumed>) = 1 [pid 9240] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9239] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9239] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9238] exit_group(0 [pid 9240] <... futex resumed>) = ? [pid 9239] <... futex resumed>) = ? [pid 9238] <... exit_group resumed>) = ? [pid 9240] +++ exited with 0 +++ [pid 9239] +++ exited with 0 +++ [pid 9238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9241 ./strace-static-x86_64: Process 9241 attached [pid 9241] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9241] setpgid(0, 0) = 0 [pid 9241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9241] write(3, "1000", 4) = 4 [pid 9241] close(3) = 0 executing program [pid 9241] write(1, "executing program\n", 18) = 18 [pid 9241] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9241] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9241] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9242 attached => {parent_tid=[9242]}, 88) = 9242 [pid 9242] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9242] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9241] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9242] <... futex resumed>) = 0 [pid 9242] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9241] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9242] <... socketpair resumed>[3, 4]) = 0 [pid 9242] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9242] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9241] <... futex resumed>) = 0 [pid 9241] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9242] <... futex resumed>) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9241] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9242] <... sendmsg resumed>) = 0 [pid 9241] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9241] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9242] <... sendmsg resumed>) = 0 [pid 9242] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9242] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9241] <... mprotect resumed>) = 0 [pid 9242] <... futex resumed>) = 0 [pid 9241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9242] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9243 attached => {parent_tid=[9243]}, 88) = 9243 [pid 9241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9241] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9241] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9243] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9243] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9243] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9241] <... futex resumed>) = 0 [pid 9243] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9241] exit_group(0) = ? [pid 9242] <... futex resumed>) = ? [pid 9242] +++ exited with 0 +++ [pid 9243] <... futex resumed>) = ? [pid 9243] +++ exited with 0 +++ [pid 9241] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9244 ./strace-static-x86_64: Process 9244 attached [pid 9244] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9244] setpgid(0, 0) = 0 [pid 9244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9244] write(3, "1000", 4) = 4 [pid 9244] close(3) = 0 [pid 9244] write(1, "executing program\n", 18executing program ) = 18 [pid 9244] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9244] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9244] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9245 attached [pid 9245] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9245] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9244] <... clone3 resumed> => {parent_tid=[9245]}, 88) = 9245 [pid 9244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9244] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9245] <... futex resumed>) = 0 [pid 9245] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9244] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9245] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9245] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9244] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9245] <... futex resumed>) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9244] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9245] <... sendmsg resumed>) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9244] <... futex resumed>) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9245] <... sendmsg resumed>) = 0 [pid 9244] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9244] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9245] <... sendmsg resumed>) = 0 [pid 9244] <... mprotect resumed>) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9245] <... sendmsg resumed>) = 0 [pid 9244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9244] <... clone3 resumed> => {parent_tid=[9246]}, 88) = 9246 [pid 9245] <... sendmsg resumed>) = 0 [pid 9244] rt_sigprocmask(SIG_SETMASK, [], [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9244] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9245] <... sendmsg resumed>) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9244] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9245] <... sendmsg resumed>) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9245] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9245] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9246 attached [pid 9246] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9246] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9246] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9244] <... futex resumed>) = 0 [pid 9246] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9244] exit_group(0) = ? [pid 9245] <... futex resumed>) = ? [pid 9245] +++ exited with 0 +++ [pid 9246] <... futex resumed>) = ? [pid 9246] +++ exited with 0 +++ [pid 9244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9244, si_uid=0, si_status=0, 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 9247 attached , child_tidptr=0x55556cb53690) = 9247 [pid 9247] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9247] setpgid(0, 0) = 0 [pid 9247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9247] write(3, "1000", 4) = 4 [pid 9247] close(3) = 0 [pid 9247] write(1, "executing program\n", 18executing program ) = 18 [pid 9247] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9247] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9247] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9248 attached => {parent_tid=[9248]}, 88) = 9248 [pid 9248] set_robust_list(0x7ff2a103f9a0, 24 [pid 9247] rt_sigprocmask(SIG_SETMASK, [], [pid 9248] <... set_robust_list resumed>) = 0 [pid 9247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9248] rt_sigprocmask(SIG_SETMASK, [], [pid 9247] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9247] <... futex resumed>) = 0 [pid 9247] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9248] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9248] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9247] <... futex resumed>) = 0 [pid 9247] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9247] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9247] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9249 attached [pid 9248] <... sendmsg resumed>) = 0 [pid 9247] <... clone3 resumed> => {parent_tid=[9249]}, 88) = 9249 [pid 9249] set_robust_list(0x7ff2a101e9a0, 24 [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9247] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9247] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9249] <... set_robust_list resumed>) = 0 [pid 9248] <... sendmsg resumed>) = 0 [pid 9249] rt_sigprocmask(SIG_SETMASK, [], [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9248] <... sendmsg resumed>) = 0 [pid 9249] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9249] <... setsockopt resumed>) = 0 [pid 9248] <... sendmsg resumed>) = 0 [pid 9249] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9249] <... futex resumed>) = 1 [pid 9248] <... sendmsg resumed>) = 0 [pid 9247] <... futex resumed>) = 0 [pid 9249] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9248] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9248] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9247] exit_group(0 [pid 9249] <... futex resumed>) = ? [pid 9248] <... futex resumed>) = ? [pid 9247] <... exit_group resumed>) = ? [pid 9249] +++ exited with 0 +++ [pid 9248] +++ exited with 0 +++ [pid 9247] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9250 ./strace-static-x86_64: Process 9250 attached [pid 9250] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9250] setpgid(0, 0) = 0 [pid 9250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9250] write(3, "1000", 4) = 4 [pid 9250] close(3) = 0 [pid 9250] write(1, "executing program\n", 18executing program ) = 18 [pid 9250] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9250] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9250] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9251]}, 88) = 9251 [pid 9250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9250] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9250] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9251 attached [pid 9251] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9251] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9251] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9250] <... futex resumed>) = 0 [pid 9250] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9250] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9250] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9252]}, 88) = 9252 [pid 9250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9250] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9250] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9252 attached [pid 9252] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9252] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9252] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9250] <... futex resumed>) = 0 [pid 9252] <... futex resumed>) = 1 [pid 9252] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9251] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9251] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9250] exit_group(0 [pid 9251] <... futex resumed>) = ? [pid 9252] <... futex resumed>) = ? [pid 9250] <... exit_group resumed>) = ? [pid 9251] +++ exited with 0 +++ [pid 9252] +++ exited with 0 +++ [pid 9250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9250, si_uid=0, si_status=0, 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 9253 attached , child_tidptr=0x55556cb53690) = 9253 [pid 9253] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9253] setpgid(0, 0) = 0 [pid 9253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9253] write(3, "1000", 4) = 4 [pid 9253] close(3) = 0 executing program [pid 9253] write(1, "executing program\n", 18) = 18 [pid 9253] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9253] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9253] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9254 attached => {parent_tid=[9254]}, 88) = 9254 [pid 9254] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9254] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9253] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9254] <... futex resumed>) = 0 [pid 9254] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9254] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9254] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9253] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9253] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9254] <... futex resumed>) = 0 [pid 9253] <... futex resumed>) = 1 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9253] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9254] <... sendmsg resumed>) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9253] <... futex resumed>) = 0 [pid 9253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9254] <... sendmsg resumed>) = 0 [pid 9253] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9253] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9254] <... sendmsg resumed>) = 0 [pid 9253] <... mprotect resumed>) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9254] <... sendmsg resumed>) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9253] <... clone3 resumed> => {parent_tid=[9255]}, 88) = 9255 [pid 9253] rt_sigprocmask(SIG_SETMASK, [], [pid 9254] <... sendmsg resumed>) = 0 [pid 9253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9253] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9253] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9254] <... sendmsg resumed>) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] 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 9255 attached ) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9255] set_robust_list(0x7ff2a101e9a0, 24 [pid 9254] <... sendmsg resumed>) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9255] <... set_robust_list resumed>) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9254] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9254] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9255] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9255] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9253] <... futex resumed>) = 0 [pid 9253] exit_group(0) = ? [pid 9254] <... futex resumed>) = ? [pid 9254] +++ exited with 0 +++ [pid 9255] +++ exited with 0 +++ [pid 9253] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9256 ./strace-static-x86_64: Process 9256 attached [pid 9256] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9256] setpgid(0, 0) = 0 [pid 9256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9256] write(3, "1000", 4) = 4 [pid 9256] close(3) = 0 [pid 9256] write(1, "executing program\n", 18executing program ) = 18 [pid 9256] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9256] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9256] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9257 attached => {parent_tid=[9257]}, 88) = 9257 [pid 9257] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9257] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9256] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9257] <... futex resumed>) = 0 [pid 9256] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9257] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9257] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9256] <... futex resumed>) = 0 [pid 9256] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9256] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9256] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9258]}, 88) = 9258 [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9256] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9256] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9258 attached [pid 9258] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9258] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9258] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9256] <... futex resumed>) = 0 [pid 9258] <... futex resumed>) = 1 [pid 9258] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9257] <... sendmsg resumed>) = 0 [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9257] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9257] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9256] exit_group(0) = ? [pid 9258] <... futex resumed>) = ? [pid 9258] +++ exited with 0 +++ [pid 9257] <... futex resumed>) = ? [pid 9257] +++ exited with 0 +++ [pid 9256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9259 ./strace-static-x86_64: Process 9259 attached [pid 9259] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9259] setpgid(0, 0) = 0 [pid 9259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9259] write(3, "1000", 4executing program ) = 4 [pid 9259] close(3) = 0 [pid 9259] write(1, "executing program\n", 18) = 18 [pid 9259] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9259] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9259] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9260 attached => {parent_tid=[9260]}, 88) = 9260 [pid 9260] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9260] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9259] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9260] <... futex resumed>) = 0 [pid 9260] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9259] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9260] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9260] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9259] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9260] <... futex resumed>) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9259] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9259] <... futex resumed>) = 0 [pid 9259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9260] <... sendmsg resumed>) = 0 [pid 9259] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9259] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9260] <... sendmsg resumed>) = 0 [pid 9259] <... mprotect resumed>) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9260] <... sendmsg resumed>) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9259] <... clone3 resumed> => {parent_tid=[9261]}, 88) = 9261 [pid 9259] rt_sigprocmask(SIG_SETMASK, [], [pid 9260] <... sendmsg resumed>) = 0 [pid 9259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9259] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9259] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9260] <... sendmsg resumed>) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9260] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9260] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9261 attached [pid 9261] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9261] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9261] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9259] <... futex resumed>) = 0 [pid 9259] exit_group(0) = ? [pid 9260] <... futex resumed>) = ? [pid 9260] +++ exited with 0 +++ [pid 9261] +++ exited with 0 +++ [pid 9259] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9259, si_uid=0, si_status=0, 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 9262 attached , child_tidptr=0x55556cb53690) = 9262 [pid 9262] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9262] setpgid(0, 0) = 0 [pid 9262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9262] write(3, "1000", 4) = 4 [pid 9262] close(3) = 0 executing program [pid 9262] write(1, "executing program\n", 18) = 18 [pid 9262] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9262] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9262] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9263]}, 88) = 9263 [pid 9262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9262] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9262] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9263 attached [pid 9263] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9263] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9263] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9262] <... futex resumed>) = 0 [pid 9262] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9262] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9262] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9264]}, 88) = 9264 [pid 9262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9262] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9262] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9263] <... futex resumed>) = 1 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9263] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9263] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9264 attached [pid 9264] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9264] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9264] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9262] <... futex resumed>) = 0 [pid 9262] exit_group(0) = ? [pid 9263] <... futex resumed>) = ? [pid 9263] +++ exited with 0 +++ [pid 9264] <... futex resumed>) = ? [pid 9264] +++ exited with 0 +++ [pid 9262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9265 ./strace-static-x86_64: Process 9265 attached [pid 9265] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9265] setpgid(0, 0) = 0 [pid 9265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9265] write(3, "1000", 4) = 4 [pid 9265] close(3) = 0 executing program [pid 9265] write(1, "executing program\n", 18) = 18 [pid 9265] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9265] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9265] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9266 attached [pid 9266] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9266] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9265] <... clone3 resumed> => {parent_tid=[9266]}, 88) = 9266 [pid 9265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9265] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9266] <... futex resumed>) = 0 [pid 9266] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9265] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9266] <... socketpair resumed>[3, 4]) = 0 [pid 9266] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9265] <... futex resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9265] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9265] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9266] <... sendmsg resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9265] <... futex resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9266] <... sendmsg resumed>) = 0 [pid 9265] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9265] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9266] <... sendmsg resumed>) = 0 [pid 9265] <... mprotect resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9266] <... sendmsg resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9265] <... clone3 resumed> => {parent_tid=[9267]}, 88) = 9267 [pid 9265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9266] <... sendmsg resumed>) = 0 [pid 9265] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9265] <... futex resumed>) = 0 [pid 9265] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9266] <... sendmsg resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9266] 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 9267 attached [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9267] set_robust_list(0x7ff2a101e9a0, 24 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9267] <... set_robust_list resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9267] rt_sigprocmask(SIG_SETMASK, [], [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9267] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9267] <... setsockopt resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9267] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9266] <... sendmsg resumed>) = 0 [pid 9267] <... futex resumed>) = 1 [pid 9265] <... futex resumed>) = 0 [pid 9266] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9266] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9266] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9267] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9265] exit_group(0 [pid 9266] <... futex resumed>) = ? [pid 9265] <... exit_group resumed>) = ? [pid 9266] +++ exited with 0 +++ [pid 9267] <... futex resumed>) = ? [pid 9267] +++ exited with 0 +++ [pid 9265] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9265, 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=0x55556cb53690) = 9268 ./strace-static-x86_64: Process 9268 attached [pid 9268] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9268] setpgid(0, 0) = 0 [pid 9268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9268] write(3, "1000", 4) = 4 executing program [pid 9268] close(3) = 0 [pid 9268] write(1, "executing program\n", 18) = 18 [pid 9268] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9268] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9268] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9269 attached [pid 9269] set_robust_list(0x7ff2a103f9a0, 24 [pid 9268] <... clone3 resumed> => {parent_tid=[9269]}, 88) = 9269 [pid 9269] <... set_robust_list resumed>) = 0 [pid 9268] rt_sigprocmask(SIG_SETMASK, [], [pid 9269] rt_sigprocmask(SIG_SETMASK, [], [pid 9268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9268] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9269] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9268] <... futex resumed>) = 0 [pid 9268] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9269] <... socketpair resumed>[3, 4]) = 0 [pid 9269] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9268] <... futex resumed>) = 0 [pid 9269] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9268] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9268] <... futex resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9269] <... sendmsg resumed>) = 0 [pid 9268] <... futex resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9269] <... sendmsg resumed>) = 0 [pid 9268] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9269] <... sendmsg resumed>) = 0 [pid 9268] <... mprotect resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9269] <... sendmsg resumed>) = 0 [pid 9268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9269] <... sendmsg resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] <... clone3 resumed> => {parent_tid=[9270]}, 88) = 9270 [pid 9269] <... sendmsg resumed>) = 0 [pid 9268] rt_sigprocmask(SIG_SETMASK, [], [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9269] <... sendmsg resumed>) = 0 [pid 9268] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9268] <... futex resumed>) = 0 [pid 9269] <... sendmsg resumed>) = 0 [pid 9268] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] 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 9270 attached ) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9270] set_robust_list(0x7ff2a101e9a0, 24 [pid 9269] <... sendmsg resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9270] <... set_robust_list resumed>) = 0 [pid 9269] <... sendmsg resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9270] rt_sigprocmask(SIG_SETMASK, [], [pid 9269] <... sendmsg resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9269] <... sendmsg resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9270] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9269] <... sendmsg resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9270] <... setsockopt resumed>) = 0 [pid 9270] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9269] <... sendmsg resumed>) = 0 [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9269] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9269] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9269] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9270] <... futex resumed>) = 1 [pid 9268] <... futex resumed>) = 0 [pid 9270] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9268] exit_group(0 [pid 9270] <... futex resumed>) = ? [pid 9268] <... exit_group resumed>) = ? [pid 9270] +++ exited with 0 +++ [pid 9269] <... futex resumed>) = ? [pid 9269] +++ exited with 0 +++ [pid 9268] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9268, 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 9271 attached , child_tidptr=0x55556cb53690) = 9271 [pid 9271] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9271] setpgid(0, 0) = 0 [pid 9271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9271] write(3, "1000", 4executing program ) = 4 [pid 9271] close(3) = 0 [pid 9271] write(1, "executing program\n", 18) = 18 [pid 9271] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9271] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9271] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9271] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9272 attached => {parent_tid=[9272]}, 88) = 9272 [pid 9271] rt_sigprocmask(SIG_SETMASK, [], [pid 9272] set_robust_list(0x7ff2a103f9a0, 24 [pid 9271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9272] <... set_robust_list resumed>) = 0 [pid 9271] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9272] rt_sigprocmask(SIG_SETMASK, [], [pid 9271] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9272] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9272] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9271] <... futex resumed>) = 0 [pid 9271] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9271] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9271] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9273]}, 88) = 9273 [pid 9272] <... sendmsg resumed>) = 0 [pid 9271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9271] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9271] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9273 attached [pid 9273] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9273] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9273] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9271] <... futex resumed>) = 0 [pid 9273] <... futex resumed>) = 1 [pid 9273] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9272] <... sendmsg resumed>) = 0 [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9272] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9272] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9271] exit_group(0 [pid 9272] <... futex resumed>) = ? [pid 9271] <... exit_group resumed>) = ? [pid 9272] +++ exited with 0 +++ [pid 9273] <... futex resumed>) = ? [pid 9273] +++ exited with 0 +++ [pid 9271] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9271, 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=0x55556cb53690) = 9274 ./strace-static-x86_64: Process 9274 attached [pid 9274] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9274] setpgid(0, 0) = 0 [pid 9274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9274] write(3, "1000", 4) = 4 [pid 9274] close(3) = 0 [pid 9274] write(1, "executing program\n", 18executing program ) = 18 [pid 9274] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9274] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9274] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9275 attached => {parent_tid=[9275]}, 88) = 9275 [pid 9275] set_robust_list(0x7ff2a103f9a0, 24 [pid 9274] rt_sigprocmask(SIG_SETMASK, [], [pid 9275] <... set_robust_list resumed>) = 0 [pid 9274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9275] rt_sigprocmask(SIG_SETMASK, [], [pid 9274] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9274] <... futex resumed>) = 0 [pid 9275] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9274] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9275] <... socketpair resumed>[3, 4]) = 0 [pid 9275] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9274] <... futex resumed>) = 0 [pid 9275] <... futex resumed>) = 1 [pid 9274] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9275] <... sendmsg resumed>) = 0 [pid 9274] <... futex resumed>) = 0 [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9275] <... sendmsg resumed>) = 0 [pid 9274] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9275] <... sendmsg resumed>) = 0 [pid 9274] <... mprotect resumed>) = 0 [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9275] <... sendmsg resumed>) = 0 [pid 9274] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9275] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 9276 attached [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9276] set_robust_list(0x7ff2a101e9a0, 24 [pid 9274] <... clone3 resumed> => {parent_tid=[9276]}, 88) = 9276 [pid 9276] <... set_robust_list resumed>) = 0 [pid 9275] <... sendmsg resumed>) = 0 [pid 9274] rt_sigprocmask(SIG_SETMASK, [], [pid 9276] rt_sigprocmask(SIG_SETMASK, [], [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9275] <... sendmsg resumed>) = 0 [pid 9274] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9276] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] <... futex resumed>) = 0 [pid 9276] <... setsockopt resumed>) = 0 [pid 9274] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9275] <... sendmsg resumed>) = 0 [pid 9276] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9276] <... futex resumed>) = 0 [pid 9275] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9276] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9275] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9275] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9274] exit_group(0 [pid 9276] <... futex resumed>) = ? [pid 9275] <... futex resumed>) = ? [pid 9274] <... exit_group resumed>) = ? [pid 9275] +++ exited with 0 +++ [pid 9276] +++ exited with 0 +++ [pid 9274] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9277 ./strace-static-x86_64: Process 9277 attached [pid 9277] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9277] setpgid(0, 0) = 0 [pid 9277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9277] write(3, "1000", 4) = 4 [pid 9277] close(3) = 0 [pid 9277] write(1, "executing program\n", 18executing program ) = 18 [pid 9277] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9277] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9277] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9278 attached => {parent_tid=[9278]}, 88) = 9278 [pid 9278] set_robust_list(0x7ff2a103f9a0, 24 [pid 9277] rt_sigprocmask(SIG_SETMASK, [], [pid 9278] <... set_robust_list resumed>) = 0 [pid 9277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9278] rt_sigprocmask(SIG_SETMASK, [], [pid 9277] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9277] <... futex resumed>) = 0 [pid 9278] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9277] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9278] <... socketpair resumed>[3, 4]) = 0 [pid 9278] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9277] <... futex resumed>) = 0 [pid 9278] <... futex resumed>) = 1 [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9277] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9278] <... sendmsg resumed>) = 0 [pid 9277] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9277] <... futex resumed>) = 0 [pid 9278] <... sendmsg resumed>) = 0 [pid 9277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9277] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9278] <... sendmsg resumed>) = 0 [pid 9277] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9277] <... mprotect resumed>) = 0 [pid 9278] <... sendmsg resumed>) = 0 [pid 9277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9278] <... sendmsg resumed>) = 0 [pid 9278] 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 9279 attached [pid 9277] <... clone3 resumed> => {parent_tid=[9279]}, 88) = 9279 [pid 9279] set_robust_list(0x7ff2a101e9a0, 24 [pid 9278] <... sendmsg resumed>) = 0 [pid 9277] rt_sigprocmask(SIG_SETMASK, [], [pid 9279] <... set_robust_list resumed>) = 0 [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9279] rt_sigprocmask(SIG_SETMASK, [], [pid 9278] <... sendmsg resumed>) = 0 [pid 9277] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9277] <... futex resumed>) = 0 [pid 9279] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9277] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9279] <... setsockopt resumed>) = 0 [pid 9278] <... sendmsg resumed>) = 0 [pid 9279] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9279] <... futex resumed>) = 1 [pid 9277] <... futex resumed>) = 0 [pid 9279] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9278] <... sendmsg resumed>) = 0 [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9278] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9278] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9277] exit_group(0 [pid 9279] <... futex resumed>) = ? [pid 9278] <... futex resumed>) = ? [pid 9277] <... exit_group resumed>) = ? [pid 9278] +++ exited with 0 +++ [pid 9279] +++ exited with 0 +++ [pid 9277] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9281 ./strace-static-x86_64: Process 9281 attached [pid 9281] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9281] setpgid(0, 0) = 0 [pid 9281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9281] write(3, "1000", 4) = 4 [pid 9281] close(3) = 0 [pid 9281] write(1, "executing program\n", 18executing program ) = 18 [pid 9281] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9281] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9281] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9282 attached => {parent_tid=[9282]}, 88) = 9282 [pid 9282] set_robust_list(0x7ff2a103f9a0, 24 [pid 9281] rt_sigprocmask(SIG_SETMASK, [], [pid 9282] <... set_robust_list resumed>) = 0 [pid 9281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9282] rt_sigprocmask(SIG_SETMASK, [], [pid 9281] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9281] <... futex resumed>) = 0 [pid 9282] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9281] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9282] <... socketpair resumed>[3, 4]) = 0 [pid 9282] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9281] <... futex resumed>) = 0 [pid 9282] <... futex resumed>) = 1 [pid 9281] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9281] <... futex resumed>) = 0 [pid 9281] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9282] <... sendmsg resumed>) = 0 [pid 9281] <... futex resumed>) = 0 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9282] <... sendmsg resumed>) = 0 [pid 9281] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9281] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9282] <... sendmsg resumed>) = 0 [pid 9281] <... mprotect resumed>) = 0 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9282] <... sendmsg resumed>) = 0 [pid 9281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9282] <... sendmsg resumed>) = 0 [pid 9282] 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 9283 attached [pid 9281] <... clone3 resumed> => {parent_tid=[9283]}, 88) = 9283 [pid 9283] set_robust_list(0x7ff2a101e9a0, 24 [pid 9282] <... sendmsg resumed>) = 0 [pid 9281] rt_sigprocmask(SIG_SETMASK, [], [pid 9283] <... set_robust_list resumed>) = 0 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9283] rt_sigprocmask(SIG_SETMASK, [], [pid 9282] <... sendmsg resumed>) = 0 [pid 9281] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9281] <... futex resumed>) = 0 [pid 9283] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9282] <... sendmsg resumed>) = 0 [pid 9281] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9283] <... setsockopt resumed>) = 0 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9283] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9282] <... sendmsg resumed>) = 0 [pid 9283] <... futex resumed>) = 1 [pid 9281] <... futex resumed>) = 0 [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9283] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9282] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9282] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9282] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9281] exit_group(0 [pid 9283] <... futex resumed>) = ? [pid 9282] <... futex resumed>) = ? [pid 9281] <... exit_group resumed>) = ? [pid 9282] +++ exited with 0 +++ [pid 9283] +++ exited with 0 +++ [pid 9281] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9284 ./strace-static-x86_64: Process 9284 attached [pid 9284] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9284] setpgid(0, 0) = 0 [pid 9284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9284] write(3, "1000", 4) = 4 [pid 9284] close(3) = 0 [pid 9284] write(1, "executing program\n", 18executing program ) = 18 [pid 9284] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9284] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9284] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9284] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9285]}, 88) = 9285 [pid 9284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9284] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9284] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9285 attached [pid 9285] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9285] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9285] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9284] <... futex resumed>) = 0 [pid 9284] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9284] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9284] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9285] <... sendmsg resumed>) = 0 [pid 9284] <... mprotect resumed>) = 0 [pid 9284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9286]}, 88) = 9286 ./strace-static-x86_64: Process 9286 attached [pid 9285] <... sendmsg resumed>) = 0 [pid 9284] rt_sigprocmask(SIG_SETMASK, [], [pid 9286] set_robust_list(0x7ff2a101e9a0, 24 [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9284] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9284] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9286] <... set_robust_list resumed>) = 0 [pid 9285] <... sendmsg resumed>) = 0 [pid 9286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9286] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9286] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9284] <... futex resumed>) = 0 [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9286] <... futex resumed>) = 1 [pid 9286] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9285] <... sendmsg resumed>) = 0 [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9285] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9285] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9284] exit_group(0 [pid 9285] <... futex resumed>) = ? [pid 9284] <... exit_group resumed>) = ? [pid 9285] +++ exited with 0 +++ [pid 9286] <... futex resumed>) = ? [pid 9286] +++ exited with 0 +++ [pid 9284] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9287 ./strace-static-x86_64: Process 9287 attached [pid 9287] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9287] setpgid(0, 0) = 0 [pid 9287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9287] write(3, "1000", 4) = 4 [pid 9287] close(3) = 0 [pid 9287] write(1, "executing program\n", 18executing program ) = 18 [pid 9287] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9287] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9287] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9288 attached => {parent_tid=[9288]}, 88) = 9288 [pid 9288] set_robust_list(0x7ff2a103f9a0, 24 [pid 9287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9287] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9287] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9288] <... set_robust_list resumed>) = 0 [pid 9288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9288] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9288] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9287] <... futex resumed>) = 0 [pid 9287] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9287] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9287] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9288] <... sendmsg resumed>) = 0 [pid 9287] <... clone3 resumed> => {parent_tid=[9289]}, 88) = 9289 [pid 9287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9287] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9287] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9289 attached [pid 9289] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9289] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9289] <... setsockopt resumed>) = 0 [pid 9289] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9287] <... futex resumed>) = 0 [pid 9289] <... futex resumed>) = 1 [pid 9289] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9288] <... sendmsg resumed>) = 0 [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9288] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9287] exit_group(0) = ? [pid 9289] <... futex resumed>) = ? [pid 9289] +++ exited with 0 +++ [pid 9288] +++ exited with 0 +++ [pid 9287] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9290 ./strace-static-x86_64: Process 9290 attached [pid 9290] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9290] setpgid(0, 0) = 0 [pid 9290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9290] write(3, "1000", 4) = 4 [pid 9290] close(3) = 0 executing program [pid 9290] write(1, "executing program\n", 18) = 18 [pid 9290] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9290] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9290] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9291 attached [pid 9291] set_robust_list(0x7ff2a103f9a0, 24 [pid 9290] <... clone3 resumed> => {parent_tid=[9291]}, 88) = 9291 [pid 9291] <... set_robust_list resumed>) = 0 [pid 9291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9291] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9290] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9291] <... futex resumed>) = 0 [pid 9291] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9290] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9291] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9291] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9290] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9291] <... futex resumed>) = 0 [pid 9290] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9290] <... futex resumed>) = 0 [pid 9290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9291] <... sendmsg resumed>) = 0 [pid 9290] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9290] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9291] <... sendmsg resumed>) = 0 [pid 9290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9290] <... clone3 resumed> => {parent_tid=[9292]}, 88) = 9292 [pid 9290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9290] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9291] <... sendmsg resumed>) = 0 [pid 9290] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] 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 9292 attached [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9292] set_robust_list(0x7ff2a101e9a0, 24 [pid 9291] <... sendmsg resumed>) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9292] <... set_robust_list resumed>) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9292] rt_sigprocmask(SIG_SETMASK, [], [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9291] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9291] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9292] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9292] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9290] <... futex resumed>) = 0 [pid 9292] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9290] exit_group(0) = ? [pid 9291] <... futex resumed>) = ? [pid 9291] +++ exited with 0 +++ [pid 9292] <... futex resumed>) = ? [pid 9292] +++ exited with 0 +++ [pid 9290] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9293 ./strace-static-x86_64: Process 9293 attached [pid 9293] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9293] setpgid(0, 0) = 0 [pid 9293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9293] write(3, "1000", 4) = 4 [pid 9293] close(3) = 0 executing program [pid 9293] write(1, "executing program\n", 18) = 18 [pid 9293] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9293] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9293] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9294 attached => {parent_tid=[9294]}, 88) = 9294 [pid 9294] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9294] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9293] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9294] <... futex resumed>) = 0 [pid 9294] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9294] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9293] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9294] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9293] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9294] <... futex resumed>) = 0 [pid 9293] <... futex resumed>) = 1 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9293] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9294] <... sendmsg resumed>) = 0 [pid 9293] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9293] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9294] <... sendmsg resumed>) = 0 [pid 9293] <... mprotect resumed>) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9294] <... sendmsg resumed>) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9293] <... clone3 resumed> => {parent_tid=[9295]}, 88) = 9295 [pid 9293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9294] <... sendmsg resumed>) = 0 [pid 9293] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9293] <... futex resumed>) = 0 [pid 9293] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9294] <... sendmsg resumed>) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] 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 9295 attached ) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9294] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9294] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9295] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9295] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9295] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9293] <... futex resumed>) = 0 [pid 9293] exit_group(0) = ? [pid 9294] <... futex resumed>) = ? [pid 9294] +++ exited with 0 +++ [pid 9295] +++ exited with 0 +++ [pid 9293] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9293, si_uid=0, si_status=0, 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 9296 attached , child_tidptr=0x55556cb53690) = 9296 [pid 9296] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9296] setpgid(0, 0) = 0 [pid 9296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9296] write(3, "1000", 4) = 4 [pid 9296] close(3) = 0 [pid 9296] write(1, "executing program\n", 18executing program ) = 18 [pid 9296] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9296] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9296] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9297 attached => {parent_tid=[9297]}, 88) = 9297 [pid 9297] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9297] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9296] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9297] <... futex resumed>) = 0 [pid 9297] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9296] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9297] <... socketpair resumed>[3, 4]) = 0 [pid 9297] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9297] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9296] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9297] <... futex resumed>) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9296] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9296] <... futex resumed>) = 0 [pid 9297] <... sendmsg resumed>) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9296] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9297] <... sendmsg resumed>) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9296] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9296] <... mprotect resumed>) = 0 [pid 9297] <... sendmsg resumed>) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9296] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9296] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9297] <... sendmsg resumed>) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] 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 9298 attached [pid 9296] <... clone3 resumed> => {parent_tid=[9298]}, 88) = 9298 [pid 9297] <... sendmsg resumed>) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9298] set_robust_list(0x7ff2a101e9a0, 24 [pid 9296] rt_sigprocmask(SIG_SETMASK, [], [pid 9297] <... sendmsg resumed>) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9297] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9298] <... set_robust_list resumed>) = 0 [pid 9296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9297] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9298] rt_sigprocmask(SIG_SETMASK, [], [pid 9296] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9296] <... futex resumed>) = 0 [pid 9296] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9298] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9298] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9296] <... futex resumed>) = 0 [pid 9296] exit_group(0 [pid 9298] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9296] <... exit_group resumed>) = ? [pid 9297] <... futex resumed>) = ? [pid 9298] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 9297] +++ exited with 0 +++ [pid 9298] +++ exited with 0 +++ [pid 9296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9296, si_uid=0, si_status=0, 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 9299 attached , child_tidptr=0x55556cb53690) = 9299 [pid 9299] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9299] setpgid(0, 0) = 0 [pid 9299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9299] write(3, "1000", 4) = 4 [pid 9299] close(3) = 0 executing program [pid 9299] write(1, "executing program\n", 18) = 18 [pid 9299] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9299] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9299] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9300 attached => {parent_tid=[9300]}, 88) = 9300 [pid 9300] set_robust_list(0x7ff2a103f9a0, 24 [pid 9299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9299] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9299] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9300] <... set_robust_list resumed>) = 0 [pid 9300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9300] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9300] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9299] <... futex resumed>) = 0 [pid 9299] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9299] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9299] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9301]}, 88) = 9301 [pid 9300] <... sendmsg resumed>) = 0 [pid 9299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9299] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9299] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9301 attached [pid 9301] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9301] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9301] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9299] <... futex resumed>) = 0 [pid 9301] <... futex resumed>) = 1 [pid 9301] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9300] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9300] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9299] exit_group(0 [pid 9300] <... futex resumed>) = ? [pid 9299] <... exit_group resumed>) = ? [pid 9300] +++ exited with 0 +++ [pid 9301] <... futex resumed>) = ? [pid 9301] +++ exited with 0 +++ [pid 9299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9299, si_uid=0, si_status=0, 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 9302 attached , child_tidptr=0x55556cb53690) = 9302 [pid 9302] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9302] setpgid(0, 0) = 0 [pid 9302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9302] write(3, "1000", 4) = 4 [pid 9302] close(3) = 0 executing program [pid 9302] write(1, "executing program\n", 18) = 18 [pid 9302] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9302] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9302] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9303 attached [pid 9303] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9303] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9302] <... clone3 resumed> => {parent_tid=[9303]}, 88) = 9303 [pid 9302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9302] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9303] <... futex resumed>) = 0 [pid 9303] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9302] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9303] <... socketpair resumed>[3, 4]) = 0 [pid 9303] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9303] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9302] <... futex resumed>) = 0 [pid 9302] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9303] <... futex resumed>) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9302] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9303] <... sendmsg resumed>) = 0 [pid 9302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9302] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9303] <... sendmsg resumed>) = 0 [pid 9302] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9302] <... mprotect resumed>) = 0 [pid 9303] <... sendmsg resumed>) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9303] <... sendmsg resumed>) = 0 [pid 9302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9302] <... clone3 resumed> => {parent_tid=[9304]}, 88) = 9304 [pid 9302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9303] <... sendmsg resumed>) = 0 [pid 9302] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9302] <... futex resumed>) = 0 [pid 9303] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9302] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9303] <... sendmsg resumed>) = 0 [pid 9303] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9303] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9304 attached [pid 9304] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9304] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9304] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9302] <... futex resumed>) = 0 [pid 9302] exit_group(0) = ? [pid 9303] <... futex resumed>) = ? [pid 9303] +++ exited with 0 +++ [pid 9304] +++ exited with 0 +++ [pid 9302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9302, si_uid=0, si_status=0, 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 9305 attached , child_tidptr=0x55556cb53690) = 9305 [pid 9305] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9305] setpgid(0, 0) = 0 [pid 9305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9305] write(3, "1000", 4) = 4 [pid 9305] close(3) = 0 [pid 9305] write(1, "executing program\n", 18executing program ) = 18 [pid 9305] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9305] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9305] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9306 attached => {parent_tid=[9306]}, 88) = 9306 [pid 9306] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9306] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9305] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9306] <... futex resumed>) = 0 [pid 9306] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9305] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9306] <... socketpair resumed>[3, 4]) = 0 [pid 9306] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9305] <... futex resumed>) = 0 [pid 9305] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9305] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9305] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9307]}, 88) = 9307 [pid 9305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9305] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9305] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9307 attached [pid 9307] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9307] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9307] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9305] <... futex resumed>) = 0 [pid 9307] <... futex resumed>) = 1 [pid 9307] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9306] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9306] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9305] exit_group(0) = ? [pid 9307] <... futex resumed>) = ? [pid 9306] <... futex resumed>) = ? [pid 9307] +++ exited with 0 +++ [pid 9306] +++ exited with 0 +++ [pid 9305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9308 ./strace-static-x86_64: Process 9308 attached [pid 9308] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9308] setpgid(0, 0) = 0 [pid 9308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9308] write(3, "1000", 4) = 4 [pid 9308] close(3) = 0 [pid 9308] write(1, "executing program\n", 18executing program ) = 18 [pid 9308] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9308] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9308] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9309 attached => {parent_tid=[9309]}, 88) = 9309 [pid 9309] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9309] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9308] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9309] <... futex resumed>) = 0 [pid 9309] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9308] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9309] <... socketpair resumed>[3, 4]) = 0 [pid 9309] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9308] <... futex resumed>) = 0 [pid 9308] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9308] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9308] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9308] <... clone3 resumed> => {parent_tid=[9310]}, 88) = 9310 [pid 9308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9308] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9308] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9310 attached [pid 9310] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9310] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9310] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9308] <... futex resumed>) = 0 [pid 9310] <... futex resumed>) = 1 [pid 9310] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9309] <... sendmsg resumed>) = 0 [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9309] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9309] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9308] exit_group(0) = ? [pid 9310] <... futex resumed>) = ? [pid 9310] +++ exited with 0 +++ [pid 9309] <... futex resumed>) = ? [pid 9309] +++ exited with 0 +++ [pid 9308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9308, si_uid=0, si_status=0, 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 9311 attached , child_tidptr=0x55556cb53690) = 9311 [pid 9311] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9311] setpgid(0, 0) = 0 [pid 9311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9311] write(3, "1000", 4) = 4 executing program [pid 9311] close(3) = 0 [pid 9311] write(1, "executing program\n", 18) = 18 [pid 9311] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9311] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9311] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9312 attached => {parent_tid=[9312]}, 88) = 9312 [pid 9312] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9312] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9311] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9312] <... futex resumed>) = 0 [pid 9312] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9311] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9312] <... socketpair resumed>[3, 4]) = 0 [pid 9312] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9312] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9311] <... futex resumed>) = 0 [pid 9311] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9312] <... futex resumed>) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9311] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9311] <... futex resumed>) = 0 [pid 9311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9312] <... sendmsg resumed>) = 0 [pid 9311] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9311] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9312] <... sendmsg resumed>) = 0 [pid 9311] <... mprotect resumed>) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9312] <... sendmsg resumed>) = 0 [pid 9311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9311] <... clone3 resumed> => {parent_tid=[9313]}, 88) = 9313 [pid 9311] rt_sigprocmask(SIG_SETMASK, [], [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9312] <... sendmsg resumed>) = 0 [pid 9311] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9311] <... futex resumed>) = 0 [pid 9311] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9312] <... sendmsg resumed>) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] 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 9313 attached [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9313] set_robust_list(0x7ff2a101e9a0, 24 [pid 9312] <... sendmsg resumed>) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9313] <... set_robust_list resumed>) = 0 [pid 9312] <... sendmsg resumed>) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9313] rt_sigprocmask(SIG_SETMASK, [], [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9312] <... sendmsg resumed>) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9312] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9312] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9313] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9313] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9311] <... futex resumed>) = 0 [pid 9311] exit_group(0) = ? [pid 9312] <... futex resumed>) = ? [pid 9312] +++ exited with 0 +++ [pid 9313] +++ exited with 0 +++ [pid 9311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9311, si_uid=0, si_status=0, 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 9314 attached , child_tidptr=0x55556cb53690) = 9314 [pid 9314] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9314] setpgid(0, 0) = 0 [pid 9314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9314] write(3, "1000", 4) = 4 [pid 9314] close(3) = 0 [pid 9314] write(1, "executing program\n", 18executing program ) = 18 [pid 9314] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9314] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9314] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9315 attached => {parent_tid=[9315]}, 88) = 9315 [pid 9315] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9315] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9314] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9315] <... futex resumed>) = 0 [pid 9315] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9315] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9315] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9314] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9314] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9315] <... futex resumed>) = 0 [pid 9314] <... futex resumed>) = 1 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9314] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9315] <... sendmsg resumed>) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9314] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9314] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9315] <... sendmsg resumed>) = 0 [pid 9314] <... mprotect resumed>) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9315] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 9316 attached [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9314] <... clone3 resumed> => {parent_tid=[9316]}, 88) = 9316 [pid 9315] <... sendmsg resumed>) = 0 [pid 9314] rt_sigprocmask(SIG_SETMASK, [], [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9315] <... sendmsg resumed>) = 0 [pid 9314] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9314] <... futex resumed>) = 0 [pid 9315] <... sendmsg resumed>) = 0 [pid 9314] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9316] set_robust_list(0x7ff2a101e9a0, 24 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9316] <... set_robust_list resumed>) = 0 [pid 9315] <... sendmsg resumed>) = 0 [pid 9316] rt_sigprocmask(SIG_SETMASK, [], [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9316] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9315] <... sendmsg resumed>) = 0 [pid 9316] <... setsockopt resumed>) = 0 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9316] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9315] <... sendmsg resumed>) = 0 [pid 9316] <... futex resumed>) = 1 [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9316] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9315] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9314] <... futex resumed>) = 0 [pid 9315] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9315] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9315] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9315] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9314] exit_group(0) = ? [pid 9316] <... futex resumed>) = ? [pid 9315] <... futex resumed>) = ? [pid 9316] +++ exited with 0 +++ [pid 9315] +++ exited with 0 +++ [pid 9314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9314, si_uid=0, si_status=0, 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 9317 attached , child_tidptr=0x55556cb53690) = 9317 [pid 9317] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9317] setpgid(0, 0) = 0 [pid 9317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9317] write(3, "1000", 4) = 4 executing program [pid 9317] close(3) = 0 [pid 9317] write(1, "executing program\n", 18) = 18 [pid 9317] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9317] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9317] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9318]}, 88) = 9318 ./strace-static-x86_64: Process 9318 attached [pid 9317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9317] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9317] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9318] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9318] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9318] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9317] <... futex resumed>) = 0 [pid 9317] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9317] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9317] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9318] 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 9319 attached ) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9319] set_robust_list(0x7ff2a101e9a0, 24 [pid 9317] <... clone3 resumed> => {parent_tid=[9319]}, 88) = 9319 [pid 9318] <... sendmsg resumed>) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9317] rt_sigprocmask(SIG_SETMASK, [], [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9318] <... sendmsg resumed>) = 0 [pid 9317] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9317] <... futex resumed>) = 0 [pid 9318] <... sendmsg resumed>) = 0 [pid 9317] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9319] <... set_robust_list resumed>) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9319] rt_sigprocmask(SIG_SETMASK, [], [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9319] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9318] <... sendmsg resumed>) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9319] <... setsockopt resumed>) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9318] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9319] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9318] <... futex resumed>) = 0 [pid 9318] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9319] <... futex resumed>) = 1 [pid 9317] <... futex resumed>) = 0 [pid 9319] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9317] exit_group(0 [pid 9319] <... futex resumed>) = ? [pid 9318] <... futex resumed>) = ? [pid 9317] <... exit_group resumed>) = ? [pid 9319] +++ exited with 0 +++ [pid 9318] +++ exited with 0 +++ [pid 9317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9320 ./strace-static-x86_64: Process 9320 attached [pid 9320] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9320] setpgid(0, 0) = 0 [pid 9320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9320] write(3, "1000", 4) = 4 [pid 9320] close(3) = 0 [pid 9320] write(1, "executing program\n", 18executing program ) = 18 [pid 9320] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9320] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9320] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9321 attached [pid 9321] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9321] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9320] <... clone3 resumed> => {parent_tid=[9321]}, 88) = 9321 [pid 9320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9320] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9321] <... futex resumed>) = 0 [pid 9321] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9320] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9321] <... socketpair resumed>[3, 4]) = 0 [pid 9321] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9321] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9320] <... futex resumed>) = 0 [pid 9320] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9321] <... futex resumed>) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9320] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9320] <... futex resumed>) = 0 [pid 9321] <... sendmsg resumed>) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9321] <... sendmsg resumed>) = 0 [pid 9320] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9320] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9321] <... sendmsg resumed>) = 0 [pid 9320] <... mprotect resumed>) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9321] <... sendmsg resumed>) = 0 [pid 9320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9321] <... sendmsg resumed>) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9320] <... clone3 resumed> => {parent_tid=[9322]}, 88) = 9322 [pid 9321] <... sendmsg resumed>) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9320] rt_sigprocmask(SIG_SETMASK, [], [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9320] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9321] <... sendmsg resumed>) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9320] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9321] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9321] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9322 attached [pid 9322] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9322] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9322] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9320] <... futex resumed>) = 0 [pid 9320] exit_group(0) = ? [pid 9321] <... futex resumed>) = ? [pid 9321] +++ exited with 0 +++ [pid 9322] +++ exited with 0 +++ [pid 9320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9323 ./strace-static-x86_64: Process 9323 attached [pid 9323] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9323] setpgid(0, 0) = 0 [pid 9323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9323] write(3, "1000", 4) = 4 [pid 9323] close(3) = 0 [pid 9323] write(1, "executing program\n", 18executing program ) = 18 [pid 9323] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9323] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9323] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9324 attached => {parent_tid=[9324]}, 88) = 9324 [pid 9324] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9324] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9323] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9324] <... futex resumed>) = 0 [pid 9324] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9323] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9324] <... socketpair resumed>[3, 4]) = 0 [pid 9324] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9324] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9323] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9324] <... futex resumed>) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9323] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9323] <... futex resumed>) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9324] <... sendmsg resumed>) = 0 [pid 9323] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9323] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9324] <... sendmsg resumed>) = 0 [pid 9323] <... mprotect resumed>) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9324] <... sendmsg resumed>) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9323] <... clone3 resumed> => {parent_tid=[9325]}, 88) = 9325 [pid 9323] rt_sigprocmask(SIG_SETMASK, [], [pid 9324] <... sendmsg resumed>) = 0 [pid 9323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9323] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9324] <... sendmsg resumed>) = 0 [pid 9323] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9325 attached [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9325] set_robust_list(0x7ff2a101e9a0, 24 [pid 9324] <... sendmsg resumed>) = 0 [pid 9325] <... set_robust_list resumed>) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9325] rt_sigprocmask(SIG_SETMASK, [], [pid 9324] <... sendmsg resumed>) = 0 [pid 9325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9325] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9325] <... setsockopt resumed>) = 0 [pid 9325] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9323] <... futex resumed>) = 0 [pid 9325] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9324] <... sendmsg resumed>) = 0 [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9324] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9324] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9323] exit_group(0) = ? [pid 9325] <... futex resumed>) = ? [pid 9325] +++ exited with 0 +++ [pid 9324] <... futex resumed>) = ? [pid 9324] +++ exited with 0 +++ [pid 9323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9323, si_uid=0, si_status=0, 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 9326 attached , child_tidptr=0x55556cb53690) = 9326 [pid 9326] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9326] setpgid(0, 0) = 0 [pid 9326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9326] write(3, "1000", 4) = 4 [pid 9326] close(3) = 0 [pid 9326] write(1, "executing program\n", 18executing program ) = 18 [pid 9326] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9326] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9326] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9327 attached [pid 9327] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9327] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9326] <... clone3 resumed> => {parent_tid=[9327]}, 88) = 9327 [pid 9326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9326] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9327] <... futex resumed>) = 0 [pid 9326] <... futex resumed>) = 1 [pid 9327] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9326] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9327] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9327] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9326] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9327] <... futex resumed>) = 0 [pid 9326] <... futex resumed>) = 1 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9326] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9327] <... sendmsg resumed>) = 0 [pid 9326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9326] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9326] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9327] <... sendmsg resumed>) = 0 [pid 9326] <... mprotect resumed>) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9327] <... sendmsg resumed>) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9326] <... clone3 resumed> => {parent_tid=[9328]}, 88) = 9328 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9326] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9326] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9327] <... sendmsg resumed>) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] 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 9328 attached ) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9328] set_robust_list(0x7ff2a101e9a0, 24 [pid 9327] <... sendmsg resumed>) = 0 [pid 9328] <... set_robust_list resumed>) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9328] rt_sigprocmask(SIG_SETMASK, [], [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9328] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9327] <... sendmsg resumed>) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9328] <... setsockopt resumed>) = 0 [pid 9327] <... sendmsg resumed>) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9328] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9327] <... sendmsg resumed>) = 0 [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9327] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9327] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9327] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9328] <... futex resumed>) = 1 [pid 9326] <... futex resumed>) = 0 [pid 9328] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9326] exit_group(0 [pid 9328] <... futex resumed>) = 231 [pid 9326] <... exit_group resumed>) = ? [pid 9327] <... futex resumed>) = ? [pid 9327] +++ exited with 0 +++ [pid 9328] +++ exited with 0 +++ [pid 9326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9329 ./strace-static-x86_64: Process 9329 attached [pid 9329] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9329] setpgid(0, 0) = 0 [pid 9329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9329] write(3, "1000", 4) = 4 [pid 9329] close(3) = 0 [pid 9329] write(1, "executing program\n", 18executing program ) = 18 [pid 9329] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9329] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9329] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9330 attached [pid 9330] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9330] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9329] <... clone3 resumed> => {parent_tid=[9330]}, 88) = 9330 [pid 9329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9329] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9330] <... futex resumed>) = 0 [pid 9329] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9330] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9330] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9329] <... futex resumed>) = 0 [pid 9329] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9329] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9329] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9329] <... clone3 resumed> => {parent_tid=[9331]}, 88) = 9331 [pid 9329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9329] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9329] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9331 attached [pid 9331] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9331] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9331] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9329] <... futex resumed>) = 0 [pid 9331] <... futex resumed>) = 1 [pid 9331] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9330] <... sendmsg resumed>) = 0 [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9330] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9330] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9329] exit_group(0 [pid 9330] <... futex resumed>) = ? [pid 9331] <... futex resumed>) = ? [pid 9329] <... exit_group resumed>) = ? [pid 9330] +++ exited with 0 +++ [pid 9331] +++ exited with 0 +++ [pid 9329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9329, si_uid=0, si_status=0, 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 9332 attached , child_tidptr=0x55556cb53690) = 9332 [pid 9332] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9332] setpgid(0, 0) = 0 [pid 9332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9332] write(3, "1000", 4) = 4 executing program [pid 9332] close(3) = 0 [pid 9332] write(1, "executing program\n", 18) = 18 [pid 9332] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9332] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9332] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9333]}, 88) = 9333 [pid 9332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9332] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9332] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9333 attached [pid 9333] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9333] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9333] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9332] <... futex resumed>) = 0 [pid 9333] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9332] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9332] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9332] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9332] <... clone3 resumed> => {parent_tid=[9334]}, 88) = 9334 [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9332] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9332] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9334 attached [pid 9334] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9333] <... sendmsg resumed>) = 0 [pid 9334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9334] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9334] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9332] <... futex resumed>) = 0 [pid 9334] <... futex resumed>) = 1 [pid 9333] <... sendmsg resumed>) = 0 [pid 9334] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9333] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9333] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9332] exit_group(0 [pid 9333] <... futex resumed>) = ? [pid 9332] <... exit_group resumed>) = ? [pid 9333] +++ exited with 0 +++ [pid 9334] <... futex resumed>) = ? [pid 9334] +++ exited with 0 +++ [pid 9332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9335 ./strace-static-x86_64: Process 9335 attached [pid 9335] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9335] setpgid(0, 0) = 0 [pid 9335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9335] write(3, "1000", 4) = 4 [pid 9335] close(3) = 0 [pid 9335] write(1, "executing program\n", 18executing program ) = 18 [pid 9335] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9335] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9335] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9336 attached => {parent_tid=[9336]}, 88) = 9336 [pid 9336] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9336] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9335] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9336] <... futex resumed>) = 0 [pid 9336] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9335] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9336] <... socketpair resumed>[3, 4]) = 0 [pid 9336] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9336] <... futex resumed>) = 0 [pid 9336] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9335] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9336] <... futex resumed>) = 0 [pid 9335] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9335] <... futex resumed>) = 0 [pid 9335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9336] <... sendmsg resumed>) = 0 [pid 9335] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9335] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9336] <... sendmsg resumed>) = 0 [pid 9335] <... mprotect resumed>) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9336] <... sendmsg resumed>) = 0 [pid 9335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9335] <... clone3 resumed> => {parent_tid=[9337]}, 88) = 9337 [pid 9335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9335] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9335] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9336] <... sendmsg resumed>) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] 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 9337 attached ) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9337] set_robust_list(0x7ff2a101e9a0, 24 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9337] <... set_robust_list resumed>) = 0 [pid 9336] <... sendmsg resumed>) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9337] rt_sigprocmask(SIG_SETMASK, [], [pid 9336] <... sendmsg resumed>) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9337] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9336] <... sendmsg resumed>) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9337] <... setsockopt resumed>) = 0 [pid 9336] <... sendmsg resumed>) = 0 [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9337] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9336] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9336] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9336] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9337] <... futex resumed>) = 1 [pid 9335] <... futex resumed>) = 0 [pid 9335] exit_group(0) = ? [pid 9336] <... futex resumed>) = ? [pid 9336] +++ exited with 0 +++ [pid 9337] +++ exited with 0 +++ [pid 9335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9338 ./strace-static-x86_64: Process 9338 attached [pid 9338] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9338] setpgid(0, 0) = 0 [pid 9338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9338] write(3, "1000", 4) = 4 [pid 9338] close(3) = 0 [pid 9338] write(1, "executing program\n", 18executing program ) = 18 [pid 9338] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9338] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9338] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9339 attached [pid 9339] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9339] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9338] <... clone3 resumed> => {parent_tid=[9339]}, 88) = 9339 [pid 9338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9338] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9339] <... futex resumed>) = 0 [pid 9339] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9339] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9339] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9338] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9338] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9339] <... futex resumed>) = 0 [pid 9338] <... futex resumed>) = 1 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9338] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9339] <... sendmsg resumed>) = 0 [pid 9338] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9338] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9339] <... sendmsg resumed>) = 0 [pid 9338] <... mprotect resumed>) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9339] <... sendmsg resumed>) = 0 [pid 9338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9339] <... sendmsg resumed>) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9338] <... clone3 resumed> => {parent_tid=[9340]}, 88) = 9340 [pid 9338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9339] <... sendmsg resumed>) = 0 [pid 9338] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9338] <... futex resumed>) = 0 [pid 9338] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9339] <... sendmsg resumed>) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] 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 9340 attached [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9340] set_robust_list(0x7ff2a101e9a0, 24 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9340] <... set_robust_list resumed>) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9339] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9339] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9340] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9340] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9338] <... futex resumed>) = 0 [pid 9338] exit_group(0) = ? [pid 9339] <... futex resumed>) = ? [pid 9339] +++ exited with 0 +++ [pid 9340] +++ exited with 0 +++ [pid 9338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9338, si_uid=0, si_status=0, 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 9341 attached , child_tidptr=0x55556cb53690) = 9341 [pid 9341] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9341] setpgid(0, 0) = 0 [pid 9341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9341] write(3, "1000", 4) = 4 [pid 9341] close(3) = 0 [pid 9341] write(1, "executing program\n", 18executing program ) = 18 [pid 9341] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9341] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9341] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9342 attached => {parent_tid=[9342]}, 88) = 9342 [pid 9342] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9342] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9341] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9342] <... futex resumed>) = 0 [pid 9342] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9341] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9342] <... socketpair resumed>[3, 4]) = 0 [pid 9342] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9342] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9341] <... futex resumed>) = 0 [pid 9341] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9342] <... futex resumed>) = 0 [pid 9341] <... futex resumed>) = 1 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9341] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9342] <... sendmsg resumed>) = 0 [pid 9341] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9341] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9342] <... sendmsg resumed>) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9341] <... mprotect resumed>) = 0 [pid 9342] <... sendmsg resumed>) = 0 [pid 9341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9342] <... sendmsg resumed>) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9341] <... clone3 resumed> => {parent_tid=[9343]}, 88) = 9343 [pid 9341] rt_sigprocmask(SIG_SETMASK, [], [pid 9342] <... sendmsg resumed>) = 0 [pid 9341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9341] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9341] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9342] <... sendmsg resumed>) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] 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 9343 attached [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9342] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9342] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9343] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9343] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9343] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9341] <... futex resumed>) = 0 [pid 9341] exit_group(0) = ? [pid 9342] <... futex resumed>) = ? [pid 9342] +++ exited with 0 +++ [pid 9343] +++ exited with 0 +++ [pid 9341] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9341, si_uid=0, si_status=0, 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 9344 attached , child_tidptr=0x55556cb53690) = 9344 [pid 9344] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9344] setpgid(0, 0) = 0 [pid 9344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9344] write(3, "1000", 4) = 4 [pid 9344] close(3) = 0 [pid 9344] write(1, "executing program\n", 18executing program ) = 18 [pid 9344] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9344] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9344] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9345 attached => {parent_tid=[9345]}, 88) = 9345 [pid 9345] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9345] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9344] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9345] <... futex resumed>) = 0 [pid 9345] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9344] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9345] <... socketpair resumed>[3, 4]) = 0 [pid 9345] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9344] <... futex resumed>) = 0 [pid 9344] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9344] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9344] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9346]}, 88) = 9346 [pid 9344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9344] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9344] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9346 attached [pid 9346] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9346] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9346] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9344] <... futex resumed>) = 0 [pid 9346] <... futex resumed>) = 1 [pid 9346] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9345] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9345] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9344] exit_group(0 [pid 9345] <... futex resumed>) = ? [pid 9346] <... futex resumed>) = ? [pid 9344] <... exit_group resumed>) = ? [pid 9345] +++ exited with 0 +++ [pid 9346] +++ exited with 0 +++ [pid 9344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9344, 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 9347 attached , child_tidptr=0x55556cb53690) = 9347 [pid 9347] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9347] setpgid(0, 0) = 0 [pid 9347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9347] write(3, "1000", 4) = 4 [pid 9347] close(3) = 0 executing program [pid 9347] write(1, "executing program\n", 18) = 18 [pid 9347] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9347] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9347] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9348]}, 88) = 9348 [pid 9347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9347] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9347] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9348 attached [pid 9348] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9348] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9348] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9347] <... futex resumed>) = 0 [pid 9347] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9347] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9347] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9349]}, 88) = 9349 [pid 9347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9347] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9347] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9348] <... futex resumed>) = 1 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9348] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9348] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9349 attached [pid 9349] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9349] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9349] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9347] <... futex resumed>) = 0 [pid 9347] exit_group(0) = ? [pid 9348] <... futex resumed>) = ? [pid 9349] <... futex resumed>) = ? [pid 9348] +++ exited with 0 +++ [pid 9349] +++ exited with 0 +++ [pid 9347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9350 ./strace-static-x86_64: Process 9350 attached [pid 9350] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9350] setpgid(0, 0) = 0 [pid 9350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9350] write(3, "1000", 4) = 4 [pid 9350] close(3) = 0 [pid 9350] write(1, "executing program\n", 18executing program ) = 18 [pid 9350] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9350] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9350] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9351 attached [pid 9351] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9351] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] <... clone3 resumed> => {parent_tid=[9351]}, 88) = 9351 [pid 9350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9350] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9351] <... futex resumed>) = 0 [pid 9351] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9350] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9351] <... socketpair resumed>[3, 4]) = 0 [pid 9351] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9351] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9350] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9351] <... futex resumed>) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9350] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9351] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9351] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] <... futex resumed>) = 0 [pid 9350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9350] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9352 attached => {parent_tid=[9352]}, 88) = 9352 [pid 9352] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9352] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9350] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9352] <... futex resumed>) = 0 [pid 9352] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9352] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9352] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9350] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9350] exit_group(0 [pid 9351] <... futex resumed>) = ? [pid 9350] <... exit_group resumed>) = ? [pid 9351] +++ exited with 0 +++ [pid 9352] <... futex resumed>) = ? [pid 9352] +++ exited with 0 +++ [pid 9350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9353 ./strace-static-x86_64: Process 9353 attached [pid 9353] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9353] setpgid(0, 0) = 0 [pid 9353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9353] write(3, "1000", 4) = 4 [pid 9353] close(3executing program ) = 0 [pid 9353] write(1, "executing program\n", 18) = 18 [pid 9353] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9353] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9353] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9354 attached => {parent_tid=[9354]}, 88) = 9354 [pid 9354] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9354] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9353] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9354] <... futex resumed>) = 0 [pid 9353] <... futex resumed>) = 1 [pid 9354] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9353] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9354] <... socketpair resumed>[3, 4]) = 0 [pid 9354] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9354] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9353] <... futex resumed>) = 0 [pid 9353] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9354] <... futex resumed>) = 0 [pid 9353] <... futex resumed>) = 1 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9353] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9354] <... sendmsg resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9353] <... futex resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9354] <... sendmsg resumed>) = 0 [pid 9353] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9353] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9354] <... sendmsg resumed>) = 0 [pid 9353] <... mprotect resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9354] <... sendmsg resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9353] <... clone3 resumed> => {parent_tid=[9355]}, 88) = 9355 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9353] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9354] <... sendmsg resumed>) = 0 [pid 9353] <... futex resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9353] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9354] <... sendmsg resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] 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 9355 attached ) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9355] set_robust_list(0x7ff2a101e9a0, 24 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9355] <... set_robust_list resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9355] rt_sigprocmask(SIG_SETMASK, [], [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9354] <... sendmsg resumed>) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9354] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9355] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9354] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9354] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9355] <... setsockopt resumed>) = 0 [pid 9355] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9353] <... futex resumed>) = 0 [pid 9353] exit_group(0) = ? [pid 9354] <... futex resumed>) = ? [pid 9354] +++ exited with 0 +++ [pid 9355] +++ exited with 0 +++ [pid 9353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9353, si_uid=0, si_status=0, 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 9356 attached , child_tidptr=0x55556cb53690) = 9356 [pid 9356] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9356] setpgid(0, 0) = 0 [pid 9356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9356] write(3, "1000", 4) = 4 [pid 9356] close(3) = 0 [pid 9356] write(1, "executing program\n", 18executing program ) = 18 [pid 9356] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9356] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9356] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9357 attached => {parent_tid=[9357]}, 88) = 9357 [pid 9357] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9357] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9356] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9357] <... futex resumed>) = 0 [pid 9356] <... futex resumed>) = 1 [pid 9357] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9356] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9357] <... socketpair resumed>[3, 4]) = 0 [pid 9357] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9357] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9356] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9357] <... futex resumed>) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9356] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9356] <... futex resumed>) = 0 [pid 9356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9357] <... sendmsg resumed>) = 0 [pid 9356] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9356] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9357] <... sendmsg resumed>) = 0 [pid 9356] <... mprotect resumed>) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9357] <... sendmsg resumed>) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9356] <... clone3 resumed> => {parent_tid=[9358]}, 88) = 9358 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9356] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9357] <... sendmsg resumed>) = 0 [pid 9356] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] 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 9358 attached [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9358] set_robust_list(0x7ff2a101e9a0, 24 [pid 9357] <... sendmsg resumed>) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9357] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9357] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9358] <... set_robust_list resumed>) = 0 [pid 9358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9358] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9358] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9356] <... futex resumed>) = 0 [pid 9358] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9356] exit_group(0) = ? [pid 9357] <... futex resumed>) = ? [pid 9357] +++ exited with 0 +++ [pid 9358] <... futex resumed>) = ? [pid 9358] +++ exited with 0 +++ [pid 9356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9359 ./strace-static-x86_64: Process 9359 attached [pid 9359] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9359] setpgid(0, 0) = 0 [pid 9359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9359] write(3, "1000", 4) = 4 [pid 9359] close(3) = 0 [pid 9359] write(1, "executing program\n", 18executing program ) = 18 [pid 9359] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9359] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9359] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9360 attached => {parent_tid=[9360]}, 88) = 9360 [pid 9360] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9360] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9359] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9360] <... futex resumed>) = 0 [pid 9360] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9359] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9360] <... socketpair resumed>[3, 4]) = 0 [pid 9360] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9360] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9359] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9360] <... futex resumed>) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9360] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9360] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9359] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9360] <... futex resumed>) = 0 [pid 9359] <... futex resumed>) = 1 [pid 9359] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9360] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9360] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9359] <... futex resumed>) = 0 [pid 9360] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9359] exit_group(0) = ? [pid 9360] <... futex resumed>) = ? [pid 9360] +++ exited with 0 +++ [pid 9359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9361 ./strace-static-x86_64: Process 9361 attached [pid 9361] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9361] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 9361] setpgid(0, 0) = 0 [pid 9361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9361] write(3, "1000", 4) = 4 [pid 9361] close(3) = 0 [pid 9361] write(1, "executing program\n", 18) = 18 [pid 9361] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9361] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9361] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9362 attached => {parent_tid=[9362]}, 88) = 9362 [pid 9362] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9362] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9361] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9362] <... futex resumed>) = 0 [pid 9361] <... futex resumed>) = 1 [pid 9362] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9361] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9362] <... socketpair resumed>[3, 4]) = 0 [pid 9362] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9362] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9361] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9362] <... futex resumed>) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9361] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9361] <... futex resumed>) = 0 [pid 9361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9362] <... sendmsg resumed>) = 0 [pid 9361] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9361] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9362] <... sendmsg resumed>) = 0 [pid 9361] <... mprotect resumed>) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9362] <... sendmsg resumed>) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9361] <... clone3 resumed> => {parent_tid=[9363]}, 88) = 9363 [pid 9361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9362] <... sendmsg resumed>) = 0 [pid 9361] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9361] <... futex resumed>) = 0 [pid 9361] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9362] <... sendmsg resumed>) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] 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 9363 attached ) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9363] set_robust_list(0x7ff2a101e9a0, 24 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9362] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9362] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9363] <... set_robust_list resumed>) = 0 [pid 9363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9363] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9363] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9361] <... futex resumed>) = 0 [pid 9363] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9361] exit_group(0) = ? [pid 9363] <... futex resumed>) = ? [pid 9362] <... futex resumed>) = ? [pid 9362] +++ exited with 0 +++ [pid 9363] +++ exited with 0 +++ [pid 9361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9364 ./strace-static-x86_64: Process 9364 attached [pid 9364] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9364] setpgid(0, 0) = 0 [pid 9364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9364] write(3, "1000", 4) = 4 [pid 9364] close(3executing program ) = 0 [pid 9364] write(1, "executing program\n", 18) = 18 [pid 9364] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9364] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9364] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9365 attached => {parent_tid=[9365]}, 88) = 9365 [pid 9365] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9365] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9364] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9365] <... futex resumed>) = 0 [pid 9365] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9364] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9365] <... socketpair resumed>[3, 4]) = 0 [pid 9365] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9365] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9364] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9365] <... futex resumed>) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9364] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9365] <... sendmsg resumed>) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9364] <... futex resumed>) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9365] <... sendmsg resumed>) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9364] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9365] <... sendmsg resumed>) = 0 [pid 9364] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9364] <... mprotect resumed>) = 0 [pid 9365] <... sendmsg resumed>) = 0 [pid 9364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9365] <... sendmsg resumed>) = 0 [pid 9364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9364] <... clone3 resumed> => {parent_tid=[9366]}, 88) = 9366 [pid 9364] rt_sigprocmask(SIG_SETMASK, [], [pid 9365] <... sendmsg resumed>) = 0 [pid 9364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9364] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9364] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9365] <... sendmsg resumed>) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9365] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9365] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9366 attached [pid 9366] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9366] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9366] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9364] <... futex resumed>) = 0 [pid 9364] exit_group(0) = ? [pid 9365] <... futex resumed>) = ? [pid 9365] +++ exited with 0 +++ [pid 9366] +++ exited with 0 +++ [pid 9364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9364, si_uid=0, si_status=0, 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 9367 attached , child_tidptr=0x55556cb53690) = 9367 [pid 9367] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9367] setpgid(0, 0) = 0 [pid 9367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9367] write(3, "1000", 4) = 4 [pid 9367] close(3) = 0 executing program [pid 9367] write(1, "executing program\n", 18) = 18 [pid 9367] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9367] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9367] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9368 attached => {parent_tid=[9368]}, 88) = 9368 [pid 9368] set_robust_list(0x7ff2a103f9a0, 24 [pid 9367] rt_sigprocmask(SIG_SETMASK, [], [pid 9368] <... set_robust_list resumed>) = 0 [pid 9368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9368] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9367] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9368] <... futex resumed>) = 0 [pid 9368] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9367] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9368] <... socketpair resumed>[3, 4]) = 0 [pid 9368] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9368] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9367] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9368] <... futex resumed>) = 0 [pid 9367] <... futex resumed>) = 1 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9367] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9368] <... sendmsg resumed>) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9367] <... futex resumed>) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9367] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9368] <... sendmsg resumed>) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9367] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9367] <... mprotect resumed>) = 0 [pid 9368] <... sendmsg resumed>) = 0 [pid 9367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9368] <... sendmsg resumed>) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9367] <... clone3 resumed> => {parent_tid=[9369]}, 88) = 9369 [pid 9367] rt_sigprocmask(SIG_SETMASK, [], [pid 9368] <... sendmsg resumed>) = 0 [pid 9367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9367] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9367] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9368] <... sendmsg resumed>) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] 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 9369 attached ) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9369] set_robust_list(0x7ff2a101e9a0, 24 [pid 9368] <... sendmsg resumed>) = 0 [pid 9369] <... set_robust_list resumed>) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9368] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9368] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9369] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9369] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9367] <... futex resumed>) = 0 [pid 9367] exit_group(0) = ? [pid 9369] +++ exited with 0 +++ [pid 9368] <... futex resumed>) = ? [pid 9368] +++ exited with 0 +++ [pid 9367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9367, 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=0x55556cb53690) = 9370 ./strace-static-x86_64: Process 9370 attached [pid 9370] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9370] setpgid(0, 0) = 0 [pid 9370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9370] write(3, "1000", 4) = 4 [pid 9370] close(3executing program ) = 0 [pid 9370] write(1, "executing program\n", 18) = 18 [pid 9370] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9370] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9370] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9370] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9371]}, 88) = 9371 [pid 9370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9370] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9370] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9371 attached [pid 9371] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9371] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9371] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9370] <... futex resumed>) = 0 [pid 9371] <... futex resumed>) = 1 [pid 9370] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] <... futex resumed>) = 0 [pid 9370] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9371] <... sendmsg resumed>) = 0 [pid 9370] <... futex resumed>) = 0 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9371] <... sendmsg resumed>) = 0 [pid 9370] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9371] <... sendmsg resumed>) = 0 [pid 9370] <... mprotect resumed>) = 0 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9371] <... sendmsg resumed>) = 0 [pid 9370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9371] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 9372 attached [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9372] set_robust_list(0x7ff2a101e9a0, 24 [pid 9371] <... sendmsg resumed>) = 0 [pid 9370] <... clone3 resumed> => {parent_tid=[9372]}, 88) = 9372 [pid 9372] <... set_robust_list resumed>) = 0 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] rt_sigprocmask(SIG_SETMASK, [], [pid 9371] <... sendmsg resumed>) = 0 [pid 9370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9372] rt_sigprocmask(SIG_SETMASK, [], [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9371] <... sendmsg resumed>) = 0 [pid 9370] <... futex resumed>) = 0 [pid 9372] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9370] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9371] <... sendmsg resumed>) = 0 [pid 9372] <... setsockopt resumed>) = 0 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9372] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9372] <... futex resumed>) = 1 [pid 9370] <... futex resumed>) = 0 [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9372] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9371] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9370] exit_group(0 [pid 9371] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9370] <... exit_group resumed>) = ? [pid 9371] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 9372] <... futex resumed>) = ? [pid 9371] +++ exited with 0 +++ [pid 9372] +++ exited with 0 +++ [pid 9370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9370, si_uid=0, si_status=0, 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 9373 attached , child_tidptr=0x55556cb53690) = 9373 [pid 9373] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9373] setpgid(0, 0) = 0 [pid 9373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9373] write(3, "1000", 4) = 4 [pid 9373] close(3) = 0 [pid 9373] write(1, "executing program\n", 18executing program ) = 18 [pid 9373] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9373] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9373] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9374 attached => {parent_tid=[9374]}, 88) = 9374 [pid 9374] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9374] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9373] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9374] <... futex resumed>) = 0 [pid 9374] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9374] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9374] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9373] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9373] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9374] <... futex resumed>) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9373] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9373] <... futex resumed>) = 0 [pid 9373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9374] <... sendmsg resumed>) = 0 [pid 9373] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9373] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9374] <... sendmsg resumed>) = 0 [pid 9373] <... mprotect resumed>) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9374] <... sendmsg resumed>) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9373] <... clone3 resumed> => {parent_tid=[9375]}, 88) = 9375 [pid 9373] rt_sigprocmask(SIG_SETMASK, [], [pid 9374] <... sendmsg resumed>) = 0 [pid 9373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9373] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9374] <... sendmsg resumed>) = 0 [pid 9373] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] 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 9375 attached [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9375] set_robust_list(0x7ff2a101e9a0, 24 [pid 9374] <... sendmsg resumed>) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9374] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9374] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9375] <... set_robust_list resumed>) = 0 [pid 9375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9375] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9375] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9375] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9373] <... futex resumed>) = 0 [pid 9373] exit_group(0) = ? [pid 9374] <... futex resumed>) = ? [pid 9375] <... futex resumed>) = ? [pid 9375] +++ exited with 0 +++ [pid 9374] +++ exited with 0 +++ [pid 9373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9373, si_uid=0, si_status=0, 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 9376 attached , child_tidptr=0x55556cb53690) = 9376 [pid 9376] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9376] setpgid(0, 0) = 0 [pid 9376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9376] write(3, "1000", 4) = 4 [pid 9376] close(3) = 0 [pid 9376] write(1, "executing program\n", 18executing program ) = 18 [pid 9376] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9376] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9376] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9377 attached => {parent_tid=[9377]}, 88) = 9377 [pid 9377] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9376] rt_sigprocmask(SIG_SETMASK, [], [pid 9377] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9376] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9377] <... futex resumed>) = 0 [pid 9377] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9377] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9377] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9376] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9376] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9377] <... futex resumed>) = 0 [pid 9376] <... futex resumed>) = 1 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9376] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9377] <... sendmsg resumed>) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9376] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9377] <... sendmsg resumed>) = 0 [pid 9376] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9376] <... mprotect resumed>) = 0 [pid 9377] <... sendmsg resumed>) = 0 [pid 9376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9377] <... sendmsg resumed>) = 0 [pid 9376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9377] 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 9378 attached [pid 9376] <... clone3 resumed> => {parent_tid=[9378]}, 88) = 9378 [pid 9376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9376] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9376] <... futex resumed>) = 0 [pid 9376] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9377] <... sendmsg resumed>) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9378] set_robust_list(0x7ff2a101e9a0, 24 [pid 9377] <... sendmsg resumed>) = 0 [pid 9378] <... set_robust_list resumed>) = 0 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9378] rt_sigprocmask(SIG_SETMASK, [], [pid 9377] <... sendmsg resumed>) = 0 [pid 9378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9378] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9378] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9378] <... futex resumed>) = 1 [pid 9376] <... futex resumed>) = 0 [pid 9377] <... sendmsg resumed>) = 0 [pid 9378] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9377] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9376] exit_group(0) = ? [pid 9378] <... futex resumed>) = ? [pid 9378] +++ exited with 0 +++ [pid 9377] +++ exited with 0 +++ [pid 9376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9376, si_uid=0, si_status=0, 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 9379 attached , child_tidptr=0x55556cb53690) = 9379 [pid 9379] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9379] setpgid(0, 0) = 0 [pid 9379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9379] write(3, "1000", 4) = 4 [pid 9379] close(3) = 0 [pid 9379] write(1, "executing program\n", 18executing program ) = 18 [pid 9379] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9379] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9379] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9380 attached [pid 9380] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9380] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9379] <... clone3 resumed> => {parent_tid=[9380]}, 88) = 9380 [pid 9379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9379] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9380] <... futex resumed>) = 0 [pid 9380] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9380] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9380] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9379] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9379] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9380] <... futex resumed>) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9380] <... sendmsg resumed>) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9379] <... futex resumed>) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9380] <... sendmsg resumed>) = 0 [pid 9379] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9380] <... sendmsg resumed>) = 0 [pid 9379] <... mprotect resumed>) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9380] <... sendmsg resumed>) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9380] <... sendmsg resumed>) = 0 [pid 9379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] <... clone3 resumed> => {parent_tid=[9381]}, 88) = 9381 [pid 9380] <... sendmsg resumed>) = 0 [pid 9379] rt_sigprocmask(SIG_SETMASK, [], [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9380] <... sendmsg resumed>) = 0 [pid 9379] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9379] <... futex resumed>) = 0 [pid 9379] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9380] <... sendmsg resumed>) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] 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 9381 attached ) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9380] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9380] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9381] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9381] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9381] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9379] <... futex resumed>) = 0 [pid 9379] exit_group(0) = ? [pid 9380] <... futex resumed>) = ? [pid 9380] +++ exited with 0 +++ [pid 9381] +++ exited with 0 +++ [pid 9379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9379, si_uid=0, si_status=0, 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 9382 attached , child_tidptr=0x55556cb53690) = 9382 [pid 9382] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9382] setpgid(0, 0) = 0 [pid 9382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9382] write(3, "1000", 4) = 4 [pid 9382] close(3) = 0 [pid 9382] write(1, "executing program\n", 18executing program ) = 18 [pid 9382] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9382] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9382] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9383 attached => {parent_tid=[9383]}, 88) = 9383 [pid 9383] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9383] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9382] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9383] <... futex resumed>) = 0 [pid 9383] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9383] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9383] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9382] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9382] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9383] <... futex resumed>) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9382] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9382] <... futex resumed>) = 0 [pid 9382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9383] <... sendmsg resumed>) = 0 [pid 9382] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9382] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9383] <... sendmsg resumed>) = 0 [pid 9382] <... mprotect resumed>) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9383] <... sendmsg resumed>) = 0 [pid 9382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9382] <... clone3 resumed> => {parent_tid=[9384]}, 88) = 9384 [pid 9382] rt_sigprocmask(SIG_SETMASK, [], [pid 9383] <... sendmsg resumed>) = 0 [pid 9382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9382] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9383] <... sendmsg resumed>) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9382] <... futex resumed>) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9382] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9383] <... sendmsg resumed>) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] 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 9384 attached [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9384] set_robust_list(0x7ff2a101e9a0, 24 [pid 9383] <... sendmsg resumed>) = 0 [pid 9383] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9383] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9383] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9384] <... set_robust_list resumed>) = 0 [pid 9384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9384] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9384] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9382] <... futex resumed>) = 0 [pid 9382] exit_group(0) = ? [pid 9383] <... futex resumed>) = ? [pid 9383] +++ exited with 0 +++ [pid 9384] +++ exited with 0 +++ [pid 9382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9382, si_uid=0, si_status=0, 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 9385 attached , child_tidptr=0x55556cb53690) = 9385 [pid 9385] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9385] setpgid(0, 0) = 0 [pid 9385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9385] write(3, "1000", 4) = 4 [pid 9385] close(3) = 0 [pid 9385] write(1, "executing program\n", 18executing program ) = 18 [pid 9385] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9385] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9385] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9386 attached => {parent_tid=[9386]}, 88) = 9386 [pid 9386] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9386] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9385] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9386] <... futex resumed>) = 0 [pid 9386] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9385] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9386] <... socketpair resumed>[3, 4]) = 0 [pid 9386] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9386] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9385] <... futex resumed>) = 0 [pid 9385] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9386] <... futex resumed>) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9385] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9385] <... futex resumed>) = 0 [pid 9385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9386] <... sendmsg resumed>) = 0 [pid 9385] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9385] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9386] <... sendmsg resumed>) = 0 [pid 9385] <... mprotect resumed>) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9386] <... sendmsg resumed>) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9385] <... clone3 resumed> => {parent_tid=[9387]}, 88) = 9387 [pid 9385] rt_sigprocmask(SIG_SETMASK, [], [pid 9386] <... sendmsg resumed>) = 0 [pid 9385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9385] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9386] <... sendmsg resumed>) = 0 [pid 9385] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9387 attached [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9387] set_robust_list(0x7ff2a101e9a0, 24 [pid 9386] <... sendmsg resumed>) = 0 [pid 9387] <... set_robust_list resumed>) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9387] rt_sigprocmask(SIG_SETMASK, [], [pid 9386] <... sendmsg resumed>) = 0 [pid 9387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9387] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9386] <... sendmsg resumed>) = 0 [pid 9387] <... setsockopt resumed>) = 0 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9387] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9386] <... sendmsg resumed>) = 0 [pid 9387] <... futex resumed>) = 1 [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9385] <... futex resumed>) = 0 [pid 9387] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9386] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9386] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9386] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9385] exit_group(0) = ? [pid 9387] <... futex resumed>) = ? [pid 9386] <... futex resumed>) = ? [pid 9387] +++ exited with 0 +++ [pid 9386] +++ exited with 0 +++ [pid 9385] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9388 ./strace-static-x86_64: Process 9388 attached [pid 9388] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9388] setpgid(0, 0) = 0 [pid 9388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9388] write(3, "1000", 4) = 4 [pid 9388] close(3) = 0 [pid 9388] write(1, "executing program\n", 18executing program ) = 18 [pid 9388] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9388] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9388] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9388] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9389 attached [pid 9389] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9389] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9388] <... clone3 resumed> => {parent_tid=[9389]}, 88) = 9389 [pid 9388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9388] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9389] <... futex resumed>) = 0 [pid 9389] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9389] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9389] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9388] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9388] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9389] <... futex resumed>) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9388] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9388] <... futex resumed>) = 0 [pid 9388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9389] <... sendmsg resumed>) = 0 [pid 9388] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9388] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9389] <... sendmsg resumed>) = 0 [pid 9388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9389] <... sendmsg resumed>) = 0 [pid 9388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9388] <... clone3 resumed> => {parent_tid=[9390]}, 88) = 9390 [pid 9389] <... sendmsg resumed>) = 0 [pid 9388] rt_sigprocmask(SIG_SETMASK, [], [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9389] <... sendmsg resumed>) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9388] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9388] <... futex resumed>) = 0 [pid 9388] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9389] <... sendmsg resumed>) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] 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 9390 attached ) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9389] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9389] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9390] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9390] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9390] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9388] <... futex resumed>) = 0 [pid 9388] exit_group(0) = ? [pid 9390] ????( [pid 9389] <... futex resumed>) = ? [pid 9389] +++ exited with 0 +++ [pid 9390] <... ???? resumed>) = ? [pid 9390] +++ exited with 0 +++ [pid 9388] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9391 ./strace-static-x86_64: Process 9391 attached [pid 9391] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9391] setpgid(0, 0) = 0 [pid 9391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9391] write(3, "1000", 4) = 4 [pid 9391] close(3) = 0 [pid 9391] write(1, "executing program\n", 18executing program ) = 18 [pid 9391] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9391] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9391] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9392 attached => {parent_tid=[9392]}, 88) = 9392 [pid 9392] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9392] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9391] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9392] <... futex resumed>) = 0 [pid 9392] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9391] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9392] <... socketpair resumed>[3, 4]) = 0 [pid 9392] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9391] <... futex resumed>) = 0 [pid 9391] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9391] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9391] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9393]}, 88) = 9393 [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9391] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9391] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9393 attached [pid 9393] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9393] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9393] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9391] <... futex resumed>) = 0 [pid 9393] <... futex resumed>) = 1 [pid 9393] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9392] <... sendmsg resumed>) = 0 [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9392] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9392] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9391] exit_group(0 [pid 9392] <... futex resumed>) = ? [pid 9391] <... exit_group resumed>) = ? [pid 9392] +++ exited with 0 +++ [pid 9393] <... futex resumed>) = ? [pid 9393] +++ exited with 0 +++ [pid 9391] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9391, 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=0x55556cb53690) = 9394 ./strace-static-x86_64: Process 9394 attached [pid 9394] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9394] setpgid(0, 0) = 0 [pid 9394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9394] write(3, "1000", 4) = 4 [pid 9394] close(3) = 0 [pid 9394] write(1, "executing program\n", 18executing program ) = 18 [pid 9394] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9394] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9394] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9395 attached [pid 9395] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9395] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9394] <... clone3 resumed> => {parent_tid=[9395]}, 88) = 9395 [pid 9394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9394] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9395] <... futex resumed>) = 0 [pid 9394] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9395] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9395] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9394] <... futex resumed>) = 0 [pid 9394] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9394] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9394] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9394] <... clone3 resumed> => {parent_tid=[9396]}, 88) = 9396 [pid 9394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9394] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9394] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9396 attached [pid 9396] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9396] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9396] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9394] <... futex resumed>) = 0 [pid 9396] <... futex resumed>) = 1 [pid 9395] <... sendmsg resumed>) = 0 [pid 9396] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9395] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9395] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9394] exit_group(0 [pid 9395] <... futex resumed>) = ? [pid 9396] <... futex resumed>) = ? [pid 9394] <... exit_group resumed>) = ? [pid 9395] +++ exited with 0 +++ [pid 9396] +++ exited with 0 +++ [pid 9394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9394, si_uid=0, si_status=0, 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 9397 attached , child_tidptr=0x55556cb53690) = 9397 [pid 9397] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9397] setpgid(0, 0) = 0 [pid 9397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9397] write(3, "1000", 4) = 4 [pid 9397] close(3) = 0 [pid 9397] write(1, "executing program\n", 18executing program ) = 18 [pid 9397] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9397] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9397] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9398 attached [pid 9398] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9398] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9397] <... clone3 resumed> => {parent_tid=[9398]}, 88) = 9398 [pid 9397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9397] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9398] <... futex resumed>) = 0 [pid 9398] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9397] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9398] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9398] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9397] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9398] <... futex resumed>) = 0 [pid 9397] <... futex resumed>) = 1 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9397] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9398] <... sendmsg resumed>) = 0 [pid 9397] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9397] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9398] <... sendmsg resumed>) = 0 [pid 9397] <... mprotect resumed>) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9398] <... sendmsg resumed>) = 0 [pid 9397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9397] <... clone3 resumed> => {parent_tid=[9399]}, 88) = 9399 [pid 9397] rt_sigprocmask(SIG_SETMASK, [], [pid 9398] <... sendmsg resumed>) = 0 [pid 9397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9397] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9398] <... sendmsg resumed>) = 0 [pid 9397] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9399 attached [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9398] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9398] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9399] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9399] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9399] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9397] <... futex resumed>) = 0 [pid 9399] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9397] exit_group(0) = ? [pid 9398] <... futex resumed>) = ? [pid 9398] +++ exited with 0 +++ [pid 9399] <... futex resumed>) = ? [pid 9399] +++ exited with 0 +++ [pid 9397] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9397, si_uid=0, si_status=0, 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 9400 attached , child_tidptr=0x55556cb53690) = 9400 [pid 9400] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9400] setpgid(0, 0) = 0 [pid 9400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9400] write(3, "1000", 4) = 4 executing program [pid 9400] close(3) = 0 [pid 9400] write(1, "executing program\n", 18) = 18 [pid 9400] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9400] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9400] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9400] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9401 attached [pid 9401] set_robust_list(0x7ff2a103f9a0, 24 [pid 9400] <... clone3 resumed> => {parent_tid=[9401]}, 88) = 9401 [pid 9401] <... set_robust_list resumed>) = 0 [pid 9400] rt_sigprocmask(SIG_SETMASK, [], [pid 9401] rt_sigprocmask(SIG_SETMASK, [], [pid 9400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9400] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9400] <... futex resumed>) = 0 [pid 9400] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9401] <... socketpair resumed>[3, 4]) = 0 [pid 9401] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9400] <... futex resumed>) = 0 [pid 9401] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9400] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9400] <... futex resumed>) = 0 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9400] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] <... sendmsg resumed>) = 0 [pid 9400] <... futex resumed>) = 0 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9401] <... sendmsg resumed>) = 0 [pid 9400] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9400] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9401] <... sendmsg resumed>) = 0 [pid 9400] <... mprotect resumed>) = 0 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9400] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9401] <... sendmsg resumed>) = 0 [pid 9400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9402 attached [pid 9401] <... sendmsg resumed>) = 0 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9402] set_robust_list(0x7ff2a101e9a0, 24 [pid 9400] <... clone3 resumed> => {parent_tid=[9402]}, 88) = 9402 [pid 9402] <... set_robust_list resumed>) = 0 [pid 9401] <... sendmsg resumed>) = 0 [pid 9400] rt_sigprocmask(SIG_SETMASK, [], [pid 9402] rt_sigprocmask(SIG_SETMASK, [], [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9401] <... sendmsg resumed>) = 0 [pid 9400] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9402] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9400] <... futex resumed>) = 0 [pid 9402] <... setsockopt resumed>) = 0 [pid 9401] <... sendmsg resumed>) = 0 [pid 9400] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9402] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9400] <... futex resumed>) = 0 [pid 9402] <... futex resumed>) = 1 [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9402] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9401] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9401] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9401] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9400] exit_group(0 [pid 9401] <... futex resumed>) = ? [pid 9402] <... futex resumed>) = ? [pid 9400] <... exit_group resumed>) = ? [pid 9402] +++ exited with 0 +++ [pid 9401] +++ exited with 0 +++ [pid 9400] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9400, si_uid=0, si_status=0, 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 9403 attached , child_tidptr=0x55556cb53690) = 9403 [pid 9403] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9403] setpgid(0, 0) = 0 [pid 9403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9403] write(3, "1000", 4) = 4 [pid 9403] close(3) = 0 [pid 9403] write(1, "executing program\n", 18executing program ) = 18 [pid 9403] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9403] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9403] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9404 attached => {parent_tid=[9404]}, 88) = 9404 [pid 9403] rt_sigprocmask(SIG_SETMASK, [], [pid 9404] set_robust_list(0x7ff2a103f9a0, 24 [pid 9403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9403] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9404] <... set_robust_list resumed>) = 0 [pid 9403] <... futex resumed>) = 0 [pid 9404] rt_sigprocmask(SIG_SETMASK, [], [pid 9403] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9404] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9404] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9403] <... futex resumed>) = 0 [pid 9403] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9403] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9403] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9405]}, 88) = 9405 [pid 9403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9403] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9403] <... futex resumed>) = 0 [pid 9403] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9405 attached [pid 9405] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9405] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9405] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9403] <... futex resumed>) = 0 [pid 9405] <... futex resumed>) = 1 [pid 9404] <... sendmsg resumed>) = 0 [pid 9405] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9404] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9404] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9403] exit_group(0 [pid 9405] <... futex resumed>) = ? [pid 9404] <... futex resumed>) = ? [pid 9403] <... exit_group resumed>) = ? [pid 9405] +++ exited with 0 +++ [pid 9404] +++ exited with 0 +++ [pid 9403] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9403, si_uid=0, si_status=0, 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 9406 attached , child_tidptr=0x55556cb53690) = 9406 [pid 9406] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9406] setpgid(0, 0) = 0 [pid 9406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9406] write(3, "1000", 4) = 4 executing program [pid 9406] close(3) = 0 [pid 9406] write(1, "executing program\n", 18) = 18 [pid 9406] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9406] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9406] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9406] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9407]}, 88) = 9407 [pid 9406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9406] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9406] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9407 attached [pid 9407] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9407] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9407] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9406] <... futex resumed>) = 0 [pid 9406] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9406] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9406] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9406] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9408]}, 88) = 9408 [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9406] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9406] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9408 attached [pid 9408] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9408] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9408] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9406] <... futex resumed>) = 0 [pid 9408] <... futex resumed>) = 1 [pid 9408] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9407] <... sendmsg resumed>) = 0 [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9407] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9407] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9406] exit_group(0 [pid 9408] <... futex resumed>) = 231 [pid 9407] <... futex resumed>) = ? [pid 9406] <... exit_group resumed>) = ? [pid 9407] +++ exited with 0 +++ [pid 9408] +++ exited with 0 +++ [pid 9406] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9406, si_uid=0, si_status=0, 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 9410 attached , child_tidptr=0x55556cb53690) = 9410 [pid 9410] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9410] setpgid(0, 0) = 0 [pid 9410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9410] write(3, "1000", 4) = 4 [pid 9410] close(3) = 0 [pid 9410] write(1, "executing program\n", 18executing program ) = 18 [pid 9410] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9410] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9410] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9411 attached => {parent_tid=[9411]}, 88) = 9411 [pid 9411] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9411] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9410] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9411] <... futex resumed>) = 0 [pid 9411] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9411] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9411] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9410] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9410] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9411] <... futex resumed>) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9410] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9410] <... futex resumed>) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9411] <... sendmsg resumed>) = 0 [pid 9410] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9410] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9411] <... sendmsg resumed>) = 0 [pid 9410] <... mprotect resumed>) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9411] <... sendmsg resumed>) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9410] <... clone3 resumed> => {parent_tid=[9412]}, 88) = 9412 [pid 9410] rt_sigprocmask(SIG_SETMASK, [], [pid 9411] <... sendmsg resumed>) = 0 [pid 9410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9410] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9410] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9411] <... sendmsg resumed>) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9411] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9411] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9412 attached [pid 9412] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9412] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9412] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9410] <... futex resumed>) = 0 [pid 9410] exit_group(0) = ? [pid 9411] <... futex resumed>) = ? [pid 9411] +++ exited with 0 +++ [pid 9412] +++ exited with 0 +++ [pid 9410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9413 ./strace-static-x86_64: Process 9413 attached [pid 9413] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9413] setpgid(0, 0) = 0 [pid 9413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9413] write(3, "1000", 4) = 4 [pid 9413] close(3) = 0 [pid 9413] write(1, "executing program\n", 18executing program ) = 18 [pid 9413] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9413] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9413] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9414 attached => {parent_tid=[9414]}, 88) = 9414 [pid 9414] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9414] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9413] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9414] <... futex resumed>) = 0 [pid 9414] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9414] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9414] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9413] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9413] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9414] <... futex resumed>) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9413] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9414] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9414] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9413] <... futex resumed>) = 0 [pid 9413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9413] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9415 attached [pid 9415] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9415] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9413] <... clone3 resumed> => {parent_tid=[9415]}, 88) = 9415 [pid 9413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9413] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9415] <... futex resumed>) = 0 [pid 9413] <... futex resumed>) = 1 [pid 9415] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9415] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9415] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9413] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9413] exit_group(0) = ? [pid 9414] <... futex resumed>) = ? [pid 9414] +++ exited with 0 +++ [pid 9415] <... futex resumed>) = ? [pid 9415] +++ exited with 0 +++ [pid 9413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9416 ./strace-static-x86_64: Process 9416 attached [pid 9416] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9416] setpgid(0, 0) = 0 [pid 9416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9416] write(3, "1000", 4executing program ) = 4 [pid 9416] close(3) = 0 [pid 9416] write(1, "executing program\n", 18) = 18 [pid 9416] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9416] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9416] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9417]}, 88) = 9417 [pid 9416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9416] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9416] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9417 attached [pid 9417] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9417] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9417] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9416] <... futex resumed>) = 0 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9416] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9417] <... sendmsg resumed>) = 0 [pid 9416] <... futex resumed>) = 0 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9416] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9417] <... sendmsg resumed>) = 0 [pid 9416] <... futex resumed>) = 0 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9417] <... sendmsg resumed>) = 0 [pid 9416] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9416] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9417] <... sendmsg resumed>) = 0 [pid 9416] <... mprotect resumed>) = 0 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9417] <... sendmsg resumed>) = 0 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9417] <... sendmsg resumed>) = 0 [pid 9416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9417] 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 9418 attached ) = 0 [pid 9416] <... clone3 resumed> => {parent_tid=[9418]}, 88) = 9418 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9416] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9416] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9418] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9418] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9418] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9416] <... futex resumed>) = 0 [pid 9418] <... futex resumed>) = 1 [pid 9418] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9417] <... sendmsg resumed>) = 0 [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9417] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9417] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9416] exit_group(0 [pid 9417] <... futex resumed>) = ? [pid 9416] <... exit_group resumed>) = ? [pid 9417] +++ exited with 0 +++ [pid 9418] <... futex resumed>) = ? [pid 9418] +++ exited with 0 +++ [pid 9416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9419 ./strace-static-x86_64: Process 9419 attached [pid 9419] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9419] setpgid(0, 0) = 0 [pid 9419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9419] write(3, "1000", 4) = 4 [pid 9419] close(3) = 0 [pid 9419] write(1, "executing program\n", 18executing program ) = 18 [pid 9419] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9419] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9419] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9420 attached => {parent_tid=[9420]}, 88) = 9420 [pid 9420] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9420] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9419] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9420] <... futex resumed>) = 0 [pid 9420] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9419] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9420] <... socketpair resumed>[3, 4]) = 0 [pid 9420] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9419] <... futex resumed>) = 0 [pid 9419] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9419] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9419] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9421]}, 88) = 9421 [pid 9419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9419] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9419] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9421 attached [pid 9421] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9421] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9421] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9419] <... futex resumed>) = 0 [pid 9421] <... futex resumed>) = 1 [pid 9421] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9420] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9420] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9419] exit_group(0 [pid 9420] <... futex resumed>) = ? [pid 9419] <... exit_group resumed>) = ? [pid 9420] +++ exited with 0 +++ [pid 9421] <... futex resumed>) = ? [pid 9421] +++ exited with 0 +++ [pid 9419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9422 ./strace-static-x86_64: Process 9422 attached [pid 9422] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9422] setpgid(0, 0) = 0 [pid 9422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9422] write(3, "1000", 4) = 4 [pid 9422] close(3executing program ) = 0 [pid 9422] write(1, "executing program\n", 18) = 18 [pid 9422] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9422] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9422] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9423 attached [pid 9423] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9423] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9422] <... clone3 resumed> => {parent_tid=[9423]}, 88) = 9423 [pid 9422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9422] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9423] <... futex resumed>) = 0 [pid 9422] <... futex resumed>) = 1 [pid 9423] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9422] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9423] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9423] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9422] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9423] <... futex resumed>) = 0 [pid 9422] <... futex resumed>) = 1 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9422] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] <... futex resumed>) = 0 [pid 9423] <... sendmsg resumed>) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9423] <... sendmsg resumed>) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9423] <... sendmsg resumed>) = 0 [pid 9422] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] <... mprotect resumed>) = 0 [pid 9423] <... sendmsg resumed>) = 0 [pid 9422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9423] <... sendmsg resumed>) = 0 [pid 9422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9423] 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 9424 attached [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9424] set_robust_list(0x7ff2a101e9a0, 24 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] <... clone3 resumed> => {parent_tid=[9424]}, 88) = 9424 [pid 9423] <... sendmsg resumed>) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9424] <... set_robust_list resumed>) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] rt_sigprocmask(SIG_SETMASK, [], [pid 9423] <... sendmsg resumed>) = 0 [pid 9422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9423] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9422] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9423] <... sendmsg resumed>) = 0 [pid 9423] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9422] <... futex resumed>) = 0 [pid 9423] <... futex resumed>) = 0 [pid 9422] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9423] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9424] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9424] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9422] <... futex resumed>) = 0 [pid 9422] exit_group(0 [pid 9423] <... futex resumed>) = ? [pid 9422] <... exit_group resumed>) = ? [pid 9423] +++ exited with 0 +++ [pid 9424] +++ exited with 0 +++ [pid 9422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9425 ./strace-static-x86_64: Process 9425 attached [pid 9425] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9425] setpgid(0, 0) = 0 [pid 9425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9425] write(3, "1000", 4) = 4 [pid 9425] close(3) = 0 executing program [pid 9425] write(1, "executing program\n", 18) = 18 [pid 9425] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9425] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9425] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9426]}, 88) = 9426 [pid 9425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9425] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9425] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9426 attached [pid 9426] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9426] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9426] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9425] <... futex resumed>) = 0 [pid 9425] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9425] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9425] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9427]}, 88) = 9427 [pid 9425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9425] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9425] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9426] <... futex resumed>) = 1 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] 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 9427 attached [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9426] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9426] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9427] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9427] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9427] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9425] <... futex resumed>) = 0 [pid 9425] exit_group(0) = ? [pid 9426] <... futex resumed>) = ? [pid 9426] +++ exited with 0 +++ [pid 9427] <... futex resumed>) = ? [pid 9427] +++ exited with 0 +++ [pid 9425] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9425, si_uid=0, si_status=0, 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 9428 attached , child_tidptr=0x55556cb53690) = 9428 [pid 9428] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9428] setpgid(0, 0) = 0 [pid 9428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9428] write(3, "1000", 4) = 4 [pid 9428] close(3) = 0 [pid 9428] write(1, "executing program\n", 18executing program ) = 18 [pid 9428] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9428] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9428] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9429 attached => {parent_tid=[9429]}, 88) = 9429 [pid 9429] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9429] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9428] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9429] <... futex resumed>) = 0 [pid 9429] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9428] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9429] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9429] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9428] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9429] <... futex resumed>) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9428] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9429] <... sendmsg resumed>) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9428] <... futex resumed>) = 0 [pid 9429] <... sendmsg resumed>) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9429] <... sendmsg resumed>) = 0 [pid 9428] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9428] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9429] <... sendmsg resumed>) = 0 [pid 9428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9429] <... sendmsg resumed>) = 0 [pid 9428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9428] <... clone3 resumed> => {parent_tid=[9430]}, 88) = 9430 [pid 9428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9429] <... sendmsg resumed>) = 0 [pid 9428] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9428] <... futex resumed>) = 0 [pid 9428] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9429] <... sendmsg resumed>) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9429] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9429] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9430 attached [pid 9430] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9430] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9430] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9428] <... futex resumed>) = 0 [pid 9430] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9428] exit_group(0) = ? [pid 9429] <... futex resumed>) = ? [pid 9429] +++ exited with 0 +++ [pid 9430] <... futex resumed>) = ? [pid 9430] +++ exited with 0 +++ [pid 9428] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9428, si_uid=0, si_status=0, 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 9431 attached , child_tidptr=0x55556cb53690) = 9431 [pid 9431] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9431] setpgid(0, 0) = 0 [pid 9431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9431] write(3, "1000", 4) = 4 [pid 9431] close(3) = 0 [pid 9431] write(1, "executing program\n", 18executing program ) = 18 [pid 9431] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9431] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9431] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9432 attached => {parent_tid=[9432]}, 88) = 9432 [pid 9431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9431] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9431] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9432] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9432] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9432] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9431] <... futex resumed>) = 0 [pid 9431] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9431] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9431] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9431] <... clone3 resumed> => {parent_tid=[9433]}, 88) = 9433 [pid 9431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9431] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9431] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9433 attached [pid 9433] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9433] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9433] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9431] <... futex resumed>) = 0 [pid 9433] <... futex resumed>) = 1 [pid 9433] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9432] <... sendmsg resumed>) = 0 [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9432] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9432] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9431] exit_group(0 [pid 9433] <... futex resumed>) = ? [pid 9432] <... futex resumed>) = ? [pid 9431] <... exit_group resumed>) = ? [pid 9433] +++ exited with 0 +++ [pid 9432] +++ exited with 0 +++ [pid 9431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9434 ./strace-static-x86_64: Process 9434 attached [pid 9434] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9434] setpgid(0, 0) = 0 [pid 9434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9434] write(3, "1000", 4) = 4 [pid 9434] close(3) = 0 [pid 9434] write(1, "executing program\n", 18executing program ) = 18 [pid 9434] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9434] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9434] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9435 attached => {parent_tid=[9435]}, 88) = 9435 [pid 9435] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9435] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9434] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9435] <... futex resumed>) = 0 [pid 9435] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9435] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9435] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9434] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9434] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9435] <... futex resumed>) = 0 [pid 9434] <... futex resumed>) = 1 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9434] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9435] <... sendmsg resumed>) = 0 [pid 9434] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9434] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9435] <... sendmsg resumed>) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9434] <... mprotect resumed>) = 0 [pid 9435] <... sendmsg resumed>) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9435] <... sendmsg resumed>) = 0 [pid 9434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9434] <... clone3 resumed> => {parent_tid=[9436]}, 88) = 9436 [pid 9434] rt_sigprocmask(SIG_SETMASK, [], [pid 9435] <... sendmsg resumed>) = 0 [pid 9434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9434] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9434] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9435] <... sendmsg resumed>) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9435] 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 9436 attached ) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9436] set_robust_list(0x7ff2a101e9a0, 24 [pid 9435] <... sendmsg resumed>) = 0 [pid 9436] <... set_robust_list resumed>) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9436] rt_sigprocmask(SIG_SETMASK, [], [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9436] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9436] <... setsockopt resumed>) = 0 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9436] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9436] <... futex resumed>) = 1 [pid 9435] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9436] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9434] <... futex resumed>) = 0 [pid 9435] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9435] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9435] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9434] exit_group(0 [pid 9436] <... futex resumed>) = ? [pid 9435] <... futex resumed>) = ? [pid 9434] <... exit_group resumed>) = ? [pid 9436] +++ exited with 0 +++ [pid 9435] +++ exited with 0 +++ [pid 9434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9434, 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 9437 attached , child_tidptr=0x55556cb53690) = 9437 [pid 9437] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9437] setpgid(0, 0) = 0 [pid 9437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9437] write(3, "1000", 4) = 4 [pid 9437] close(3) = 0 [pid 9437] write(1, "executing program\n", 18executing program ) = 18 [pid 9437] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9437] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9437] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9438 attached => {parent_tid=[9438]}, 88) = 9438 [pid 9438] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9438] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9437] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9438] <... futex resumed>) = 0 [pid 9438] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9437] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9438] <... socketpair resumed>[3, 4]) = 0 [pid 9438] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9437] <... futex resumed>) = 0 [pid 9437] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9437] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9437] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9437] <... clone3 resumed> => {parent_tid=[9439]}, 88) = 9439 [pid 9437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9437] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9437] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9439 attached [pid 9439] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9439] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9439] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9437] <... futex resumed>) = 0 [pid 9439] <... futex resumed>) = 1 [pid 9439] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9438] <... sendmsg resumed>) = 0 [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9438] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9438] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9437] exit_group(0) = ? [pid 9439] <... futex resumed>) = ? [pid 9438] <... futex resumed>) = ? [pid 9439] +++ exited with 0 +++ [pid 9438] +++ exited with 0 +++ [pid 9437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9437, si_uid=0, si_status=0, 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 9440 attached , child_tidptr=0x55556cb53690) = 9440 [pid 9440] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9440] setpgid(0, 0) = 0 [pid 9440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9440] write(3, "1000", 4) = 4 [pid 9440] close(3) = 0 executing program [pid 9440] write(1, "executing program\n", 18) = 18 [pid 9440] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9440] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9440] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9441 attached => {parent_tid=[9441]}, 88) = 9441 [pid 9440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9440] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9440] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9441] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9441] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9441] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9440] <... futex resumed>) = 0 [pid 9440] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9440] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9440] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9442]}, 88) = 9442 [pid 9440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9440] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9440] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9442 attached [pid 9442] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9442] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9442] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9440] <... futex resumed>) = 0 [pid 9442] <... futex resumed>) = 1 [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9442] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9441] <... sendmsg resumed>) = 0 [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9441] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9441] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9440] exit_group(0) = ? [pid 9442] <... futex resumed>) = ? [pid 9441] <... futex resumed>) = ? [pid 9441] +++ exited with 0 +++ [pid 9442] +++ exited with 0 +++ [pid 9440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9443 ./strace-static-x86_64: Process 9443 attached [pid 9443] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9443] setpgid(0, 0) = 0 [pid 9443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9443] write(3, "1000", 4) = 4 [pid 9443] close(3) = 0 [pid 9443] write(1, "executing program\n", 18executing program ) = 18 [pid 9443] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9443] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9443] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9444 attached => {parent_tid=[9444]}, 88) = 9444 [pid 9444] set_robust_list(0x7ff2a103f9a0, 24 [pid 9443] rt_sigprocmask(SIG_SETMASK, [], [pid 9444] <... set_robust_list resumed>) = 0 [pid 9444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9444] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9443] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9444] <... futex resumed>) = 0 [pid 9444] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9443] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9444] <... socketpair resumed>[3, 4]) = 0 [pid 9444] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9444] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9443] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9444] <... futex resumed>) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9443] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9444] <... sendmsg resumed>) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9443] <... futex resumed>) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9443] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9444] <... sendmsg resumed>) = 0 [pid 9443] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9443] <... mprotect resumed>) = 0 [pid 9444] <... sendmsg resumed>) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9444] <... sendmsg resumed>) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] 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 9445 attached [pid 9443] <... clone3 resumed> => {parent_tid=[9445]}, 88) = 9445 [pid 9444] <... sendmsg resumed>) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9445] set_robust_list(0x7ff2a101e9a0, 24 [pid 9444] <... sendmsg resumed>) = 0 [pid 9443] rt_sigprocmask(SIG_SETMASK, [], [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9444] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9444] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9445] <... set_robust_list resumed>) = 0 [pid 9443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9445] rt_sigprocmask(SIG_SETMASK, [], [pid 9443] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9443] <... futex resumed>) = 0 [pid 9445] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9443] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9445] <... setsockopt resumed>) = 0 [pid 9445] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9443] <... futex resumed>) = 0 [pid 9443] exit_group(0) = ? [pid 9444] <... futex resumed>) = ? [pid 9444] +++ exited with 0 +++ [pid 9445] +++ exited with 0 +++ [pid 9443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9446 ./strace-static-x86_64: Process 9446 attached [pid 9446] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9446] setpgid(0, 0) = 0 [pid 9446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9446] write(3, "1000", 4) = 4 [pid 9446] close(3) = 0 [pid 9446] write(1, "executing program\n", 18executing program ) = 18 [pid 9446] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9446] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9446] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9447 attached => {parent_tid=[9447]}, 88) = 9447 [pid 9447] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9447] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9446] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9447] <... futex resumed>) = 0 [pid 9447] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9446] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9447] <... socketpair resumed>[3, 4]) = 0 [pid 9447] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9447] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9446] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9447] <... futex resumed>) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9446] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9447] <... sendmsg resumed>) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9446] <... futex resumed>) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9447] <... sendmsg resumed>) = 0 [pid 9446] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9446] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9447] <... sendmsg resumed>) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9446] <... mprotect resumed>) = 0 [pid 9447] <... sendmsg resumed>) = 0 [pid 9446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9447] <... sendmsg resumed>) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9446] <... clone3 resumed> => {parent_tid=[9448]}, 88) = 9448 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9446] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9446] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9447] <... sendmsg resumed>) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9447] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9447] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9448 attached [pid 9448] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9448] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9448] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9446] <... futex resumed>) = 0 [pid 9448] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9446] exit_group(0) = ? [pid 9447] <... futex resumed>) = ? [pid 9447] +++ exited with 0 +++ [pid 9448] <... futex resumed>) = ? [pid 9448] +++ exited with 0 +++ [pid 9446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9449 ./strace-static-x86_64: Process 9449 attached [pid 9449] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9449] setpgid(0, 0) = 0 [pid 9449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9449] write(3, "1000", 4) = 4 [pid 9449] close(3) = 0 [pid 9449] write(1, "executing program\n", 18executing program ) = 18 [pid 9449] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9449] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9449] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9450]}, 88) = 9450 [pid 9449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9449] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9449] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9450 attached [pid 9450] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9450] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9450] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9449] <... futex resumed>) = 0 [pid 9449] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9449] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9449] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9450] <... futex resumed>) = 1 [pid 9449] <... clone3 resumed> => {parent_tid=[9451]}, 88) = 9451 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9449] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 9451 attached [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9449] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9449] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9451] set_robust_list(0x7ff2a101e9a0, 24 [pid 9450] <... sendmsg resumed>) = 0 [pid 9451] <... set_robust_list resumed>) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9451] rt_sigprocmask(SIG_SETMASK, [], [pid 9450] <... sendmsg resumed>) = 0 [pid 9451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9451] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9451] <... setsockopt resumed>) = 0 [pid 9450] <... sendmsg resumed>) = 0 [pid 9451] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9451] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9449] <... futex resumed>) = 0 [pid 9450] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9450] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9449] exit_group(0 [pid 9450] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 (errno 18446744073709551414) [pid 9449] <... exit_group resumed>) = ? [pid 9451] <... futex resumed>) = ? [pid 9451] +++ exited with 0 +++ [pid 9450] +++ exited with 0 +++ [pid 9449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9449, 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=0x55556cb53690) = 9452 ./strace-static-x86_64: Process 9452 attached [pid 9452] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9452] setpgid(0, 0) = 0 [pid 9452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9452] write(3, "1000", 4executing program ) = 4 [pid 9452] close(3) = 0 [pid 9452] write(1, "executing program\n", 18) = 18 [pid 9452] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9452] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9452] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9453 attached => {parent_tid=[9453]}, 88) = 9453 [pid 9452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9452] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9452] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9453] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9453] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9453] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9452] <... futex resumed>) = 0 [pid 9453] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9452] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9452] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9452] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9452] <... clone3 resumed> => {parent_tid=[9454]}, 88) = 9454 [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9452] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9452] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9454 attached [pid 9454] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9454] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9454] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9452] <... futex resumed>) = 0 [pid 9454] <... futex resumed>) = 1 [pid 9454] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9453] <... sendmsg resumed>) = 0 [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9453] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9453] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9452] exit_group(0 [pid 9453] <... futex resumed>) = ? [pid 9452] <... exit_group resumed>) = ? [pid 9453] +++ exited with 0 +++ [pid 9454] <... futex resumed>) = ? [pid 9454] +++ exited with 0 +++ [pid 9452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9455 ./strace-static-x86_64: Process 9455 attached [pid 9455] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9455] setpgid(0, 0) = 0 [pid 9455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9455] write(3, "1000", 4) = 4 [pid 9455] close(3) = 0 [pid 9455] write(1, "executing program\n", 18executing program ) = 18 [pid 9455] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9455] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9455] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9456 attached => {parent_tid=[9456]}, 88) = 9456 [pid 9456] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9456] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9455] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9456] <... futex resumed>) = 0 [pid 9456] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9455] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9456] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9456] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9455] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9456] <... futex resumed>) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9455] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9456] <... sendmsg resumed>) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9455] <... futex resumed>) = 0 [pid 9456] <... sendmsg resumed>) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9456] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9456] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9455] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9457 attached => {parent_tid=[9457]}, 88) = 9457 [pid 9457] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9457] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9455] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9457] <... futex resumed>) = 0 [pid 9457] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9457] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9457] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9455] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9455] exit_group(0 [pid 9456] <... futex resumed>) = ? [pid 9455] <... exit_group resumed>) = ? [pid 9456] +++ exited with 0 +++ [pid 9457] <... futex resumed>) = ? [pid 9457] +++ exited with 0 +++ [pid 9455] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9458 ./strace-static-x86_64: Process 9458 attached [pid 9458] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9458] setpgid(0, 0) = 0 [pid 9458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9458] write(3, "1000", 4) = 4 [pid 9458] close(3) = 0 [pid 9458] write(1, "executing program\n", 18executing program ) = 18 [pid 9458] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9458] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9458] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9459 attached => {parent_tid=[9459]}, 88) = 9459 [pid 9459] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9459] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9458] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9459] <... futex resumed>) = 0 [pid 9459] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9458] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9459] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9459] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9458] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9459] <... futex resumed>) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9458] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9459] <... sendmsg resumed>) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9458] <... futex resumed>) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9458] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9458] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9459] <... sendmsg resumed>) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9458] <... mprotect resumed>) = 0 [pid 9459] <... sendmsg resumed>) = 0 [pid 9458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9459] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9459] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9460 attached [pid 9460] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9460] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9458] <... clone3 resumed> => {parent_tid=[9460]}, 88) = 9460 [pid 9458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9458] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9460] <... futex resumed>) = 0 [pid 9458] <... futex resumed>) = 1 [pid 9460] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9458] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9460] <... setsockopt resumed>) = 0 [pid 9460] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9458] <... futex resumed>) = 0 [pid 9460] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9458] exit_group(0) = ? [pid 9459] <... futex resumed>) = ? [pid 9459] +++ exited with 0 +++ [pid 9460] <... futex resumed>) = ? [pid 9460] +++ exited with 0 +++ [pid 9458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9458, si_uid=0, si_status=0, 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 9461 attached , child_tidptr=0x55556cb53690) = 9461 [pid 9461] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9461] setpgid(0, 0) = 0 [pid 9461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9461] write(3, "1000", 4) = 4 [pid 9461] close(3) = 0 [pid 9461] write(1, "executing program\n", 18executing program ) = 18 [pid 9461] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9461] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9461] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9462 attached => {parent_tid=[9462]}, 88) = 9462 [pid 9462] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9462] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9461] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9462] <... futex resumed>) = 0 [pid 9462] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9461] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9462] <... socketpair resumed>[3, 4]) = 0 [pid 9462] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9462] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9461] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9462] <... futex resumed>) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9461] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9462] <... sendmsg resumed>) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9461] <... futex resumed>) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9461] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9462] <... sendmsg resumed>) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9462] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9462] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9461] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9463 attached => {parent_tid=[9463]}, 88) = 9463 [pid 9463] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9463] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9461] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9463] <... futex resumed>) = 0 [pid 9463] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9463] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9463] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9461] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9461] exit_group(0 [pid 9462] <... futex resumed>) = ? [pid 9461] <... exit_group resumed>) = ? [pid 9462] +++ exited with 0 +++ [pid 9463] <... futex resumed>) = ? [pid 9463] +++ exited with 0 +++ [pid 9461] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9461, si_uid=0, si_status=0, 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 9464 attached , child_tidptr=0x55556cb53690) = 9464 [pid 9464] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9464] setpgid(0, 0) = 0 [pid 9464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9464] write(3, "1000", 4executing program ) = 4 [pid 9464] close(3) = 0 [pid 9464] write(1, "executing program\n", 18) = 18 [pid 9464] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9464] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9465]}, 88) = 9465 [pid 9464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9464] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9465 attached [pid 9465] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9465] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9465] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9464] <... futex resumed>) = 0 [pid 9464] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9464] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9466]}, 88) = 9466 [pid 9464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9464] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9464] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9465] <... futex resumed>) = 1 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9465] 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 9466 attached ) = 0 [pid 9466] set_robust_list(0x7ff2a101e9a0, 24 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9466] <... set_robust_list resumed>) = 0 [pid 9465] <... sendmsg resumed>) = 0 [pid 9466] rt_sigprocmask(SIG_SETMASK, [], [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9465] <... sendmsg resumed>) = 0 [pid 9466] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9466] <... setsockopt resumed>) = 0 [pid 9466] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9464] <... futex resumed>) = 0 [pid 9465] <... sendmsg resumed>) = 0 [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9466] <... futex resumed>) = 1 [pid 9465] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9466] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9465] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9465] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9464] exit_group(0 [pid 9465] <... futex resumed>) = ? [pid 9464] <... exit_group resumed>) = ? [pid 9465] +++ exited with 0 +++ [pid 9466] <... futex resumed>) = ? [pid 9466] +++ exited with 0 +++ [pid 9464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9464, si_uid=0, si_status=0, 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 9467 attached , child_tidptr=0x55556cb53690) = 9467 [pid 9467] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9467] setpgid(0, 0) = 0 [pid 9467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9467] write(3, "1000", 4) = 4 [pid 9467] close(3) = 0 [pid 9467] write(1, "executing program\n", 18executing program ) = 18 [pid 9467] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9467] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9467] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9468 attached => {parent_tid=[9468]}, 88) = 9468 [pid 9468] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9468] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9467] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9468] <... futex resumed>) = 0 [pid 9468] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9467] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9468] <... socketpair resumed>[3, 4]) = 0 [pid 9468] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9468] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9467] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9468] <... futex resumed>) = 0 [pid 9467] <... futex resumed>) = 1 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9467] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9467] <... futex resumed>) = 0 [pid 9468] <... sendmsg resumed>) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9468] <... sendmsg resumed>) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9467] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9467] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9468] <... sendmsg resumed>) = 0 [pid 9467] <... mprotect resumed>) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9468] <... sendmsg resumed>) = 0 [pid 9467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9467] <... clone3 resumed> => {parent_tid=[9469]}, 88) = 9469 [pid 9467] rt_sigprocmask(SIG_SETMASK, [], [pid 9468] <... sendmsg resumed>) = 0 [pid 9467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9467] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9467] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9468] <... sendmsg resumed>) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] 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 9469 attached [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9469] set_robust_list(0x7ff2a101e9a0, 24 [pid 9468] <... sendmsg resumed>) = 0 [pid 9468] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9468] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9468] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9469] <... set_robust_list resumed>) = 0 [pid 9469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9469] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9469] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9467] <... futex resumed>) = 0 [pid 9467] exit_group(0) = ? [pid 9469] +++ exited with 0 +++ [pid 9468] <... futex resumed>) = ? [pid 9468] +++ exited with 0 +++ [pid 9467] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9470 ./strace-static-x86_64: Process 9470 attached [pid 9470] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9470] setpgid(0, 0) = 0 [pid 9470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9470] write(3, "1000", 4) = 4 [pid 9470] close(3) = 0 executing program [pid 9470] write(1, "executing program\n", 18) = 18 [pid 9470] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9470] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9470] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9471]}, 88) = 9471 ./strace-static-x86_64: Process 9471 attached [pid 9470] rt_sigprocmask(SIG_SETMASK, [], [pid 9471] set_robust_list(0x7ff2a103f9a0, 24 [pid 9470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9471] <... set_robust_list resumed>) = 0 [pid 9470] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9471] rt_sigprocmask(SIG_SETMASK, [], [pid 9470] <... futex resumed>) = 0 [pid 9471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9470] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9471] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9471] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9470] <... futex resumed>) = 0 [pid 9470] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9470] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9470] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9472]}, 88) = 9472 [pid 9470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9470] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9470] <... futex resumed>) = 0 [pid 9471] <... sendmsg resumed>) = 0 [pid 9470] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] 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 9472 attached ) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9472] set_robust_list(0x7ff2a101e9a0, 24 [pid 9471] <... sendmsg resumed>) = 0 [pid 9472] <... set_robust_list resumed>) = 0 [pid 9472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9472] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9472] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9472] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9470] <... futex resumed>) = 0 [pid 9471] <... sendmsg resumed>) = 0 [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9471] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9470] exit_group(0 [pid 9471] <... futex resumed>) = 0 [pid 9470] <... exit_group resumed>) = ? [pid 9472] <... futex resumed>) = ? [pid 9472] +++ exited with 0 +++ [pid 9471] +++ exited with 0 +++ [pid 9470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9473 ./strace-static-x86_64: Process 9473 attached [pid 9473] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9473] setpgid(0, 0) = 0 [pid 9473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9473] write(3, "1000", 4) = 4 [pid 9473] close(3) = 0 [pid 9473] write(1, "executing program\n", 18executing program ) = 18 [pid 9473] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9473] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9473] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9474 attached => {parent_tid=[9474]}, 88) = 9474 [pid 9474] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9474] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9473] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9474] <... futex resumed>) = 0 [pid 9474] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9473] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9474] <... socketpair resumed>[3, 4]) = 0 [pid 9474] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9473] <... futex resumed>) = 0 [pid 9473] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9473] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9473] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9475]}, 88) = 9475 [pid 9473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9473] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9473] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9475 attached [pid 9475] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9475] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9475] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9473] <... futex resumed>) = 0 [pid 9475] <... futex resumed>) = 1 [pid 9475] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9474] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9474] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9473] exit_group(0) = ? [pid 9475] <... futex resumed>) = ? [pid 9474] <... futex resumed>) = ? [pid 9475] +++ exited with 0 +++ [pid 9474] +++ exited with 0 +++ [pid 9473] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9476 ./strace-static-x86_64: Process 9476 attached [pid 9476] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9476] setpgid(0, 0) = 0 [pid 9476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9476] write(3, "1000", 4) = 4 [pid 9476] close(3) = 0 [pid 9476] write(1, "executing program\n", 18executing program ) = 18 [pid 9476] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9476] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9476] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9477 attached [pid 9477] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9477] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9476] <... clone3 resumed> => {parent_tid=[9477]}, 88) = 9477 [pid 9476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9476] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9477] <... futex resumed>) = 0 [pid 9477] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9476] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9477] <... socketpair resumed>[3, 4]) = 0 [pid 9477] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9477] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9476] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9477] <... futex resumed>) = 0 [pid 9476] <... futex resumed>) = 1 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9476] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9477] <... sendmsg resumed>) = 0 [pid 9476] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9476] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9477] <... sendmsg resumed>) = 0 [pid 9476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9477] <... sendmsg resumed>) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9476] <... clone3 resumed> => {parent_tid=[9478]}, 88) = 9478 [pid 9476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9476] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9477] <... sendmsg resumed>) = 0 [pid 9476] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] 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 9478 attached [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9478] set_robust_list(0x7ff2a101e9a0, 24 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9478] <... set_robust_list resumed>) = 0 [pid 9477] <... sendmsg resumed>) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9478] rt_sigprocmask(SIG_SETMASK, [], [pid 9477] <... sendmsg resumed>) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9477] <... sendmsg resumed>) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9478] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9477] <... sendmsg resumed>) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9478] <... setsockopt resumed>) = 0 [pid 9477] <... sendmsg resumed>) = 0 [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9477] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9477] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9477] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9478] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9476] <... futex resumed>) = 0 [pid 9478] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9476] exit_group(0) = ? [pid 9478] <... futex resumed>) = ? [pid 9477] <... futex resumed>) = ? [pid 9477] +++ exited with 0 +++ [pid 9478] +++ exited with 0 +++ [pid 9476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9479 ./strace-static-x86_64: Process 9479 attached [pid 9479] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9479] setpgid(0, 0) = 0 [pid 9479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9479] write(3, "1000", 4) = 4 [pid 9479] close(3) = 0 [pid 9479] write(1, "executing program\n", 18executing program ) = 18 [pid 9479] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9479] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9479] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9480 attached => {parent_tid=[9480]}, 88) = 9480 [pid 9480] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9480] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9479] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9480] <... futex resumed>) = 0 [pid 9480] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9479] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9480] <... socketpair resumed>[3, 4]) = 0 [pid 9480] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9480] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9479] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9480] <... futex resumed>) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9479] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9479] <... futex resumed>) = 0 [pid 9480] <... sendmsg resumed>) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9480] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9480] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9479] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9481 attached => {parent_tid=[9481]}, 88) = 9481 [pid 9481] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9481] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9479] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9481] <... futex resumed>) = 0 [pid 9481] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9481] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9481] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9479] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9479] exit_group(0 [pid 9480] <... futex resumed>) = ? [pid 9479] <... exit_group resumed>) = ? [pid 9480] +++ exited with 0 +++ [pid 9481] <... futex resumed>) = ? [pid 9481] +++ exited with 0 +++ [pid 9479] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9482 ./strace-static-x86_64: Process 9482 attached [pid 9482] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9482] setpgid(0, 0) = 0 [pid 9482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9482] write(3, "1000", 4executing program ) = 4 [pid 9482] close(3) = 0 [pid 9482] write(1, "executing program\n", 18) = 18 [pid 9482] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9482] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9482] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9483]}, 88) = 9483 ./strace-static-x86_64: Process 9483 attached [pid 9482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9482] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9482] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9483] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9483] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9483] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9482] <... futex resumed>) = 0 [pid 9482] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9482] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9482] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9484]}, 88) = 9484 [pid 9482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9482] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9482] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9484 attached [pid 9484] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9484] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9484] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9482] <... futex resumed>) = 0 [pid 9484] <... futex resumed>) = 1 [pid 9484] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9483] <... sendmsg resumed>) = 0 [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9483] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9483] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9482] exit_group(0) = ? [pid 9483] <... futex resumed>) = ? [pid 9483] +++ exited with 0 +++ [pid 9484] <... futex resumed>) = ? [pid 9484] +++ exited with 0 +++ [pid 9482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9485 ./strace-static-x86_64: Process 9485 attached [pid 9485] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9485] setpgid(0, 0) = 0 [pid 9485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9485] write(3, "1000", 4) = 4 [pid 9485] close(3executing program ) = 0 [pid 9485] write(1, "executing program\n", 18) = 18 [pid 9485] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9485] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9485] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9486]}, 88) = 9486 ./strace-static-x86_64: Process 9486 attached [pid 9485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9485] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9485] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9486] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9486] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9486] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9485] <... futex resumed>) = 0 [pid 9485] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9485] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9485] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9485] <... clone3 resumed> => {parent_tid=[9487]}, 88) = 9487 [pid 9485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9485] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9485] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9487 attached [pid 9487] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9487] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9487] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9485] <... futex resumed>) = 0 [pid 9487] <... futex resumed>) = 1 [pid 9486] <... sendmsg resumed>) = 0 [pid 9487] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9486] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9486] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9485] exit_group(0 [pid 9487] <... futex resumed>) = 231 [pid 9485] <... exit_group resumed>) = ? [pid 9487] +++ exited with 0 +++ [pid 9486] <... futex resumed>) = ? [pid 9486] +++ exited with 0 +++ [pid 9485] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9488 ./strace-static-x86_64: Process 9488 attached [pid 9488] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9488] setpgid(0, 0) = 0 [pid 9488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9488] write(3, "1000", 4) = 4 [pid 9488] close(3) = 0 [pid 9488] write(1, "executing program\n", 18executing program ) = 18 [pid 9488] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9488] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9488] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9489 attached => {parent_tid=[9489]}, 88) = 9489 [pid 9489] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9488] rt_sigprocmask(SIG_SETMASK, [], [pid 9489] rt_sigprocmask(SIG_SETMASK, [], [pid 9488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9488] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9489] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9488] <... futex resumed>) = 0 [pid 9489] <... socketpair resumed>[3, 4]) = 0 [pid 9488] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9489] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9488] <... futex resumed>) = 0 [pid 9488] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9488] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9488] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9488] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9488] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9489] <... sendmsg resumed>) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9488] <... clone3 resumed> => {parent_tid=[9490]}, 88) = 9490 [pid 9489] <... sendmsg resumed>) = 0 [pid 9488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9488] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9488] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9489] <... sendmsg resumed>) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9489] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9489] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9490 attached [pid 9490] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9490] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9490] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9488] <... futex resumed>) = 0 [pid 9488] exit_group(0 [pid 9489] <... futex resumed>) = ? [pid 9488] <... exit_group resumed>) = ? [pid 9489] +++ exited with 0 +++ [pid 9490] <... futex resumed>) = ? [pid 9490] +++ exited with 0 +++ [pid 9488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9491 ./strace-static-x86_64: Process 9491 attached [pid 9491] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9491] setpgid(0, 0) = 0 [pid 9491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9491] write(3, "1000", 4) = 4 [pid 9491] close(3executing program ) = 0 [pid 9491] write(1, "executing program\n", 18) = 18 [pid 9491] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9491] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9491] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9492]}, 88) = 9492 [pid 9491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9491] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9491] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9492 attached [pid 9492] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9492] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9492] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9491] <... futex resumed>) = 0 [pid 9491] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9491] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9491] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9493 attached => {parent_tid=[9493]}, 88) = 9493 [pid 9491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9491] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9491] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9492] <... futex resumed>) = 1 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9493] set_robust_list(0x7ff2a101e9a0, 24 [pid 9492] <... sendmsg resumed>) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9493] <... set_robust_list resumed>) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9493] rt_sigprocmask(SIG_SETMASK, [], [pid 9492] <... sendmsg resumed>) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9492] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9492] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9493] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9493] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9491] <... futex resumed>) = 0 [pid 9491] exit_group(0) = ? [pid 9492] <... futex resumed>) = ? [pid 9492] +++ exited with 0 +++ [pid 9493] +++ exited with 0 +++ [pid 9491] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9491, 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=0x55556cb53690) = 9494 ./strace-static-x86_64: Process 9494 attached [pid 9494] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9494] setpgid(0, 0) = 0 [pid 9494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9494] write(3, "1000", 4) = 4 [pid 9494] close(3) = 0 [pid 9494] write(1, "executing program\n", 18executing program ) = 18 [pid 9494] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9494] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9494] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9495 attached => {parent_tid=[9495]}, 88) = 9495 [pid 9495] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9495] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9494] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9495] <... futex resumed>) = 0 [pid 9495] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9495] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9495] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9494] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9494] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9495] <... futex resumed>) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9494] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9495] <... sendmsg resumed>) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9494] <... futex resumed>) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9495] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9495] <... sendmsg resumed>) = 0 [pid 9495] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9495] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9494] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9494] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9496 attached => {parent_tid=[9496]}, 88) = 9496 [pid 9496] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9496] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9494] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9496] <... futex resumed>) = 0 [pid 9496] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9496] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9496] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9494] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9494] exit_group(0 [pid 9495] <... futex resumed>) = ? [pid 9494] <... exit_group resumed>) = ? [pid 9495] +++ exited with 0 +++ [pid 9496] <... futex resumed>) = ? [pid 9496] +++ exited with 0 +++ [pid 9494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9497 ./strace-static-x86_64: Process 9497 attached [pid 9497] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9497] setpgid(0, 0) = 0 [pid 9497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9497] write(3, "1000", 4) = 4 [pid 9497] close(3) = 0 [pid 9497] write(1, "executing program\n", 18executing program ) = 18 [pid 9497] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9497] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9497] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9498 attached => {parent_tid=[9498]}, 88) = 9498 [pid 9498] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9498] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9497] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9498] <... futex resumed>) = 0 [pid 9498] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9498] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9498] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9497] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9497] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9498] <... futex resumed>) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9497] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9498] <... sendmsg resumed>) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9497] <... futex resumed>) = 0 [pid 9498] <... sendmsg resumed>) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9498] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9498] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9498] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9497] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9497] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9499 attached => {parent_tid=[9499]}, 88) = 9499 [pid 9499] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9499] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9497] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9499] <... futex resumed>) = 0 [pid 9499] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9499] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9499] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9497] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9497] exit_group(0 [pid 9498] <... futex resumed>) = ? [pid 9497] <... exit_group resumed>) = ? [pid 9498] +++ exited with 0 +++ [pid 9499] <... futex resumed>) = ? [pid 9499] +++ exited with 0 +++ [pid 9497] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9500 ./strace-static-x86_64: Process 9500 attached [pid 9500] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9500] setpgid(0, 0) = 0 [pid 9500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9500] write(3, "1000", 4) = 4 [pid 9500] close(3) = 0 [pid 9500] write(1, "executing program\n", 18executing program ) = 18 [pid 9500] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9500] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9500] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9501 attached => {parent_tid=[9501]}, 88) = 9501 [pid 9501] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9501] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9500] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9501] <... futex resumed>) = 0 [pid 9501] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9500] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9501] <... socketpair resumed>[3, 4]) = 0 [pid 9501] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9501] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9500] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9501] <... futex resumed>) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9500] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9501] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9501] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] <... futex resumed>) = 0 [pid 9500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9500] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9502 attached => {parent_tid=[9502]}, 88) = 9502 [pid 9502] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9502] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9500] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9502] <... futex resumed>) = 0 [pid 9502] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9502] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9502] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9500] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9500] exit_group(0 [pid 9501] <... futex resumed>) = ? [pid 9500] <... exit_group resumed>) = ? [pid 9501] +++ exited with 0 +++ [pid 9502] <... futex resumed>) = ? [pid 9502] +++ exited with 0 +++ [pid 9500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9503 ./strace-static-x86_64: Process 9503 attached [pid 9503] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9503] setpgid(0, 0) = 0 [pid 9503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 9503] write(3, "1000", 4) = 4 [pid 9503] close(3) = 0 [pid 9503] write(1, "executing program\n", 18) = 18 [pid 9503] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9503] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9503] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9504 attached [pid 9504] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9504] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9503] <... clone3 resumed> => {parent_tid=[9504]}, 88) = 9504 [pid 9503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9503] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9504] <... futex resumed>) = 0 [pid 9504] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9504] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9504] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9503] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9503] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9504] <... futex resumed>) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9503] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9504] <... sendmsg resumed>) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9504] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9504] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9503] <... futex resumed>) = 0 [pid 9503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9503] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9505 attached => {parent_tid=[9505]}, 88) = 9505 [pid 9505] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9505] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9503] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9505] <... futex resumed>) = 0 [pid 9505] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9505] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9505] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9503] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9503] exit_group(0 [pid 9504] <... futex resumed>) = ? [pid 9504] +++ exited with 0 +++ [pid 9503] <... exit_group resumed>) = ? [pid 9505] <... futex resumed>) = ? [pid 9505] +++ exited with 0 +++ [pid 9503] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9503, si_uid=0, si_status=0, 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 9506 attached , child_tidptr=0x55556cb53690) = 9506 [pid 9506] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9506] setpgid(0, 0) = 0 [pid 9506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9506] write(3, "1000", 4) = 4 [pid 9506] close(3) = 0 [pid 9506] write(1, "executing program\n", 18executing program ) = 18 [pid 9506] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9506] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9507 attached => {parent_tid=[9507]}, 88) = 9507 [pid 9507] set_robust_list(0x7ff2a103f9a0, 24 [pid 9506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9506] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9507] <... set_robust_list resumed>) = 0 [pid 9507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9507] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9507] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9506] <... futex resumed>) = 0 [pid 9506] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9506] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9507] <... sendmsg resumed>) = 0 [pid 9506] <... clone3 resumed> => {parent_tid=[9508]}, 88) = 9508 [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9506] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9508 attached [pid 9508] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9507] <... sendmsg resumed>) = 0 [pid 9508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9508] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9508] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9506] <... futex resumed>) = 0 [pid 9508] <... futex resumed>) = 1 [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9508] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9507] <... sendmsg resumed>) = 0 [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9507] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9506] exit_group(0) = ? [pid 9508] <... futex resumed>) = ? [pid 9507] +++ exited with 0 +++ [pid 9508] +++ exited with 0 +++ [pid 9506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9509 ./strace-static-x86_64: Process 9509 attached [pid 9509] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9509] setpgid(0, 0) = 0 [pid 9509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9509] write(3, "1000", 4) = 4 [pid 9509] close(3) = 0 [pid 9509] write(1, "executing program\n", 18executing program ) = 18 [pid 9509] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9509] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9509] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9510 attached => {parent_tid=[9510]}, 88) = 9510 [pid 9510] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9510] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9509] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9510] <... futex resumed>) = 0 [pid 9510] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9509] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9510] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9510] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9509] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9510] <... futex resumed>) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9509] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9510] <... sendmsg resumed>) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9509] <... futex resumed>) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9510] <... sendmsg resumed>) = 0 [pid 9509] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9510] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9510] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9509] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9511 attached => {parent_tid=[9511]}, 88) = 9511 [pid 9511] set_robust_list(0x7ff2a101e9a0, 24 [pid 9509] rt_sigprocmask(SIG_SETMASK, [], [pid 9511] <... set_robust_list resumed>) = 0 [pid 9509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9511] rt_sigprocmask(SIG_SETMASK, [], [pid 9509] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9509] <... futex resumed>) = 0 [pid 9511] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9509] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9511] <... setsockopt resumed>) = 0 [pid 9511] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9509] <... futex resumed>) = 0 [pid 9511] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9509] exit_group(0) = ? [pid 9510] <... futex resumed>) = ? [pid 9510] +++ exited with 0 +++ [pid 9511] <... futex resumed>) = ? [pid 9511] +++ exited with 0 +++ [pid 9509] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9509, si_uid=0, si_status=0, 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 9512 attached , child_tidptr=0x55556cb53690) = 9512 [pid 9512] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9512] setpgid(0, 0) = 0 [pid 9512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 9512] write(3, "1000", 4) = 4 [pid 9512] close(3) = 0 [pid 9512] write(1, "executing program\n", 18) = 18 [pid 9512] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9512] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9512] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9513 attached => {parent_tid=[9513]}, 88) = 9513 [pid 9512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9512] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9512] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9513] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9513] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9513] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9512] <... futex resumed>) = 0 [pid 9512] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9512] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9512] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9513] <... sendmsg resumed>) = 0 [pid 9512] <... clone3 resumed> => {parent_tid=[9514]}, 88) = 9514 [pid 9512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9512] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9512] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9514 attached [pid 9514] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9514] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9514] <... setsockopt resumed>) = 0 [pid 9514] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9512] <... futex resumed>) = 0 [pid 9514] <... futex resumed>) = 1 [pid 9514] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9513] <... sendmsg resumed>) = 0 [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9513] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9513] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9512] exit_group(0 [pid 9514] <... futex resumed>) = 231 [pid 9513] <... futex resumed>) = ? [pid 9512] <... exit_group resumed>) = ? [pid 9513] +++ exited with 0 +++ [pid 9514] +++ exited with 0 +++ [pid 9512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9515 ./strace-static-x86_64: Process 9515 attached [pid 9515] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9515] setpgid(0, 0) = 0 [pid 9515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9515] write(3, "1000", 4) = 4 [pid 9515] close(3) = 0 [pid 9515] write(1, "executing program\n", 18executing program ) = 18 [pid 9515] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9515] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9515] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9516 attached => {parent_tid=[9516]}, 88) = 9516 [pid 9516] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9516] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9515] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9516] <... futex resumed>) = 0 [pid 9516] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9516] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9516] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9515] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9515] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9516] <... futex resumed>) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9515] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9516] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9516] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9515] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9515] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9515] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9517 attached => {parent_tid=[9517]}, 88) = 9517 [pid 9517] set_robust_list(0x7ff2a101e9a0, 24 [pid 9515] rt_sigprocmask(SIG_SETMASK, [], [pid 9517] <... set_robust_list resumed>) = 0 [pid 9515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9515] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9517] rt_sigprocmask(SIG_SETMASK, [], [pid 9515] <... futex resumed>) = 0 [pid 9517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9515] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9517] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9517] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9515] <... futex resumed>) = 0 [pid 9517] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9515] exit_group(0) = ? [pid 9516] <... futex resumed>) = ? [pid 9516] +++ exited with 0 +++ [pid 9517] <... futex resumed>) = ? [pid 9517] +++ exited with 0 +++ [pid 9515] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9518 ./strace-static-x86_64: Process 9518 attached [pid 9518] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9518] setpgid(0, 0) = 0 [pid 9518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9518] write(3, "1000", 4) = 4 [pid 9518] close(3executing program ) = 0 [pid 9518] write(1, "executing program\n", 18) = 18 [pid 9518] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9518] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9518] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9519 attached => {parent_tid=[9519]}, 88) = 9519 [pid 9518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9518] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9518] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9519] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9519] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9519] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9519] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] <... futex resumed>) = 0 [pid 9518] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9519] <... futex resumed>) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9518] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9519] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9519] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] <... futex resumed>) = 0 [pid 9518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9518] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9518] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9520 attached => {parent_tid=[9520]}, 88) = 9520 [pid 9520] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9520] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9518] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9520] <... futex resumed>) = 0 [pid 9520] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9520] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9520] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9518] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9518] exit_group(0 [pid 9519] <... futex resumed>) = ? [pid 9519] +++ exited with 0 +++ [pid 9518] <... exit_group resumed>) = ? [pid 9520] <... futex resumed>) = ? [pid 9520] +++ exited with 0 +++ [pid 9518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9521 ./strace-static-x86_64: Process 9521 attached [pid 9521] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9521] setpgid(0, 0) = 0 [pid 9521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9521] write(3, "1000", 4) = 4 [pid 9521] close(3) = 0 executing program [pid 9521] write(1, "executing program\n", 18) = 18 [pid 9521] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9521] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9521] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9522]}, 88) = 9522 ./strace-static-x86_64: Process 9522 attached [pid 9521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9522] set_robust_list(0x7ff2a103f9a0, 24 [pid 9521] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9521] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9522] <... set_robust_list resumed>) = 0 [pid 9522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9522] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9522] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9522] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9521] <... futex resumed>) = 0 [pid 9521] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9522] <... futex resumed>) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9521] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9522] <... sendmsg resumed>) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9521] <... futex resumed>) = 0 [pid 9521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9522] <... sendmsg resumed>) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9521] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9522] <... sendmsg resumed>) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9521] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9522] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9522] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9521] <... mprotect resumed>) = 0 [pid 9521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9523 attached => {parent_tid=[9523]}, 88) = 9523 [pid 9523] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9523] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9521] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9523] <... futex resumed>) = 0 [pid 9523] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9523] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9523] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9521] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9521] exit_group(0 [pid 9522] <... futex resumed>) = ? [pid 9521] <... exit_group resumed>) = ? [pid 9522] +++ exited with 0 +++ [pid 9523] <... futex resumed>) = ? [pid 9523] +++ exited with 0 +++ [pid 9521] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9524 ./strace-static-x86_64: Process 9524 attached [pid 9524] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9524] setpgid(0, 0) = 0 [pid 9524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9524] write(3, "1000", 4) = 4 [pid 9524] close(3) = 0 [pid 9524] write(1, "executing program\n", 18) = 18 executing program [pid 9524] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9524] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9524] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9525]}, 88) = 9525 [pid 9524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9524] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9524] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9525 attached [pid 9525] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9525] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9525] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9524] <... futex resumed>) = 0 [pid 9524] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9524] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9524] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9526]}, 88) = 9526 [pid 9525] <... futex resumed>) = 1 [pid 9524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9524] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9524] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9526 attached [pid 9526] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9526] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9526] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9524] <... futex resumed>) = 0 [pid 9526] <... futex resumed>) = 1 [pid 9526] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9525] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9525] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9524] exit_group(0) = ? [pid 9526] <... futex resumed>) = ? [pid 9525] <... futex resumed>) = ? [pid 9526] +++ exited with 0 +++ [pid 9525] +++ exited with 0 +++ [pid 9524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9527 ./strace-static-x86_64: Process 9527 attached [pid 9527] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9527] setpgid(0, 0) = 0 [pid 9527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9527] write(3, "1000", 4) = 4 [pid 9527] close(3) = 0 executing program [pid 9527] write(1, "executing program\n", 18) = 18 [pid 9527] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9527] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9527] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9528]}, 88) = 9528 [pid 9527] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 9528 attached NULL, 8) = 0 [pid 9527] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9527] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9528] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9528] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9528] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9528] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9527] <... futex resumed>) = 0 [pid 9527] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9528] <... futex resumed>) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9527] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9527] <... futex resumed>) = 0 [pid 9528] <... sendmsg resumed>) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9528] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9528] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9527] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9529 attached => {parent_tid=[9529]}, 88) = 9529 [pid 9529] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9529] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9527] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9529] <... futex resumed>) = 0 [pid 9529] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9529] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9529] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9527] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9527] exit_group(0 [pid 9528] <... futex resumed>) = ? [pid 9527] <... exit_group resumed>) = ? [pid 9528] +++ exited with 0 +++ [pid 9529] <... futex resumed>) = ? [pid 9529] +++ exited with 0 +++ [pid 9527] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9530 ./strace-static-x86_64: Process 9530 attached [pid 9530] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9530] setpgid(0, 0) = 0 [pid 9530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 9530] write(3, "1000", 4) = 4 [pid 9530] close(3) = 0 [pid 9530] write(1, "executing program\n", 18) = 18 [pid 9530] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9530] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9530] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9531 attached => {parent_tid=[9531]}, 88) = 9531 [pid 9530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9530] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9530] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9531] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9531] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9531] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9530] <... futex resumed>) = 0 [pid 9530] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9530] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9530] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9530] <... mprotect resumed>) = 0 [pid 9530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9531] <... sendmsg resumed>) = 0 [pid 9530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9530] <... clone3 resumed> => {parent_tid=[9532]}, 88) = 9532 [pid 9530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9530] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9530] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9532 attached [pid 9532] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9532] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9532] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9530] <... futex resumed>) = 0 [pid 9532] <... futex resumed>) = 1 [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9532] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9531] <... sendmsg resumed>) = 0 [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9531] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9531] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9530] exit_group(0 [pid 9532] <... futex resumed>) = ? [pid 9530] <... exit_group resumed>) = ? [pid 9532] +++ exited with 0 +++ [pid 9531] <... futex resumed>) = ? [pid 9531] +++ exited with 0 +++ [pid 9530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 9533 attached , child_tidptr=0x55556cb53690) = 9533 [pid 9533] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9533] setpgid(0, 0) = 0 [pid 9533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9533] write(3, "1000", 4) = 4 [pid 9533] close(3) = 0 [pid 9533] write(1, "executing program\n", 18) = 18 [pid 9533] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9533] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9533] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9534]}, 88) = 9534 ./strace-static-x86_64: Process 9534 attached [pid 9533] rt_sigprocmask(SIG_SETMASK, [], [pid 9534] set_robust_list(0x7ff2a103f9a0, 24 [pid 9533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9533] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9533] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9534] <... set_robust_list resumed>) = 0 [pid 9534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9534] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9534] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9533] <... futex resumed>) = 0 [pid 9533] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9533] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9533] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9535]}, 88) = 9535 [pid 9533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9533] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9533] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9535 attached [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9535] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9535] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9535] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9533] <... futex resumed>) = 0 [pid 9534] <... sendmsg resumed>) = 0 [pid 9535] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9534] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9534] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9533] exit_group(0 [pid 9534] <... futex resumed>) = ? [pid 9535] <... futex resumed>) = ? [pid 9533] <... exit_group resumed>) = ? [pid 9534] +++ exited with 0 +++ [pid 9535] +++ exited with 0 +++ [pid 9533] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9536 ./strace-static-x86_64: Process 9536 attached [pid 9536] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9536] setpgid(0, 0) = 0 [pid 9536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9536] write(3, "1000", 4) = 4 [pid 9536] close(3) = 0 [pid 9536] write(1, "executing program\n", 18executing program ) = 18 [pid 9536] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9536] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9536] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9537 attached => {parent_tid=[9537]}, 88) = 9537 [pid 9537] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9537] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9536] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9537] <... futex resumed>) = 0 [pid 9537] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9536] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9537] <... socketpair resumed>[3, 4]) = 0 [pid 9537] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9536] <... futex resumed>) = 0 [pid 9536] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9536] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9536] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9538]}, 88) = 9538 [pid 9536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9536] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9536] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9538 attached [pid 9538] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9538] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9538] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9536] <... futex resumed>) = 0 [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9538] <... futex resumed>) = 1 [pid 9538] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9537] <... sendmsg resumed>) = 0 [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9537] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9536] exit_group(0 [pid 9537] <... futex resumed>) = ? [pid 9536] <... exit_group resumed>) = ? [pid 9538] <... futex resumed>) = ? [pid 9537] +++ exited with 0 +++ [pid 9538] +++ exited with 0 +++ [pid 9536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9536, 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=0x55556cb53690) = 9539 ./strace-static-x86_64: Process 9539 attached [pid 9539] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9539] setpgid(0, 0) = 0 [pid 9539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9539] write(3, "1000", 4) = 4 [pid 9539] close(3) = 0 executing program [pid 9539] write(1, "executing program\n", 18) = 18 [pid 9539] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9539] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9539] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9540]}, 88) = 9540 [pid 9539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9539] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9539] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9540 attached [pid 9540] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9540] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9540] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9539] <... futex resumed>) = 0 [pid 9539] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9539] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9539] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9540] <... sendmsg resumed>) = 0 [pid 9539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9541]}, 88) = 9541 [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9539] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9539] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9541 attached [pid 9541] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9541] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9541] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9539] <... futex resumed>) = 0 [pid 9541] <... futex resumed>) = 1 [pid 9540] <... sendmsg resumed>) = 0 [pid 9541] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9540] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9540] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9539] exit_group(0 [pid 9541] <... futex resumed>) = ? [pid 9540] <... futex resumed>) = ? [pid 9539] <... exit_group resumed>) = ? [pid 9540] +++ exited with 0 +++ [pid 9541] +++ exited with 0 +++ [pid 9539] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9542 ./strace-static-x86_64: Process 9542 attached [pid 9542] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9542] setpgid(0, 0) = 0 [pid 9542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9542] write(3, "1000", 4) = 4 [pid 9542] close(3executing program ) = 0 [pid 9542] write(1, "executing program\n", 18) = 18 [pid 9542] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9542] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9542] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9543 attached [pid 9543] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9543] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9542] <... clone3 resumed> => {parent_tid=[9543]}, 88) = 9543 [pid 9542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9542] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9543] <... futex resumed>) = 0 [pid 9543] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9543] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9543] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9542] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9542] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9543] <... futex resumed>) = 0 [pid 9542] <... futex resumed>) = 1 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9542] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9542] <... futex resumed>) = 0 [pid 9542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9543] <... sendmsg resumed>) = 0 [pid 9542] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9542] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9543] <... sendmsg resumed>) = 0 [pid 9542] <... mprotect resumed>) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9543] <... sendmsg resumed>) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9542] <... clone3 resumed> => {parent_tid=[9544]}, 88) = 9544 [pid 9542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9543] <... sendmsg resumed>) = 0 [pid 9542] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9542] <... futex resumed>) = 0 [pid 9542] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9543] <... sendmsg resumed>) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] 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 9544 attached [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9543] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9543] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9544] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9544] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9544] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9542] <... futex resumed>) = 0 [pid 9542] exit_group(0) = ? [pid 9543] <... futex resumed>) = ? [pid 9544] +++ exited with 0 +++ [pid 9543] +++ exited with 0 +++ [pid 9542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9542, si_uid=0, si_status=0, 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 9545 attached , child_tidptr=0x55556cb53690) = 9545 [pid 9545] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9545] setpgid(0, 0) = 0 [pid 9545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9545] write(3, "1000", 4) = 4 [pid 9545] close(3) = 0 [pid 9545] write(1, "executing program\n", 18executing program ) = 18 [pid 9545] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9545] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9545] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9546 attached => {parent_tid=[9546]}, 88) = 9546 [pid 9546] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9546] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9545] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9546] <... futex resumed>) = 0 [pid 9545] <... futex resumed>) = 1 [pid 9546] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9545] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9546] <... socketpair resumed>[3, 4]) = 0 [pid 9546] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9545] <... futex resumed>) = 0 [pid 9545] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9545] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9545] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9546] <... sendmsg resumed>) = 0 [pid 9545] <... clone3 resumed> => {parent_tid=[9547]}, 88) = 9547 [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9545] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9545] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9547 attached [pid 9547] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9547] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9547] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9545] <... futex resumed>) = 0 [pid 9547] <... futex resumed>) = 1 [pid 9547] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9546] <... sendmsg resumed>) = 0 [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9546] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9546] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9545] exit_group(0 [pid 9546] <... futex resumed>) = ? [pid 9547] <... futex resumed>) = ? [pid 9545] <... exit_group resumed>) = ? [pid 9546] +++ exited with 0 +++ [pid 9547] +++ exited with 0 +++ [pid 9545] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9545, si_uid=0, si_status=0, 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 9548 attached , child_tidptr=0x55556cb53690) = 9548 [pid 9548] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9548] setpgid(0, 0) = 0 [pid 9548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9548] write(3, "1000", 4executing program ) = 4 [pid 9548] close(3) = 0 [pid 9548] write(1, "executing program\n", 18) = 18 [pid 9548] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9548] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9548] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9549 attached [pid 9549] set_robust_list(0x7ff2a103f9a0, 24 [pid 9548] <... clone3 resumed> => {parent_tid=[9549]}, 88) = 9549 [pid 9549] <... set_robust_list resumed>) = 0 [pid 9549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9548] rt_sigprocmask(SIG_SETMASK, [], [pid 9549] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9548] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9549] <... futex resumed>) = 0 [pid 9549] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9548] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9549] <... socketpair resumed>[3, 4]) = 0 [pid 9549] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9548] <... futex resumed>) = 0 [pid 9548] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9548] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9548] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9550 attached => {parent_tid=[9550]}, 88) = 9550 [pid 9548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9548] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9548] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9549] <... futex resumed>) = 1 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9550] set_robust_list(0x7ff2a101e9a0, 24 [pid 9549] <... sendmsg resumed>) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9550] <... set_robust_list resumed>) = 0 [pid 9549] <... sendmsg resumed>) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9550] rt_sigprocmask(SIG_SETMASK, [], [pid 9549] <... sendmsg resumed>) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9549] <... sendmsg resumed>) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9550] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9550] <... setsockopt resumed>) = 0 [pid 9549] <... sendmsg resumed>) = 0 [pid 9550] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9550] <... futex resumed>) = 1 [pid 9548] <... futex resumed>) = 0 [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9550] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9549] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9549] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9549] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9549] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9548] exit_group(0 [pid 9549] <... futex resumed>) = ? [pid 9550] <... futex resumed>) = ? [pid 9548] <... exit_group resumed>) = ? [pid 9549] +++ exited with 0 +++ [pid 9550] +++ exited with 0 +++ [pid 9548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9548, si_uid=0, si_status=0, 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 9551 attached , child_tidptr=0x55556cb53690) = 9551 [pid 9551] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9551] setpgid(0, 0) = 0 [pid 9551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 9551] write(3, "1000", 4) = 4 [pid 9551] close(3) = 0 [pid 9551] write(1, "executing program\n", 18) = 18 [pid 9551] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9551] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9551] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9552 attached => {parent_tid=[9552]}, 88) = 9552 [pid 9552] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9552] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9551] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9552] <... futex resumed>) = 0 [pid 9552] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9551] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9552] <... socketpair resumed>[3, 4]) = 0 [pid 9552] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9552] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9551] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9552] <... futex resumed>) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9551] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9552] <... sendmsg resumed>) = 0 [pid 9551] <... futex resumed>) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9551] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9552] <... sendmsg resumed>) = 0 [pid 9551] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9551] <... mprotect resumed>) = 0 [pid 9552] <... sendmsg resumed>) = 0 [pid 9551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9552] <... sendmsg resumed>) = 0 [pid 9551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9551] <... clone3 resumed> => {parent_tid=[9554]}, 88) = 9554 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9551] rt_sigprocmask(SIG_SETMASK, [], [pid 9552] <... sendmsg resumed>) = 0 [pid 9551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9551] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9552] <... sendmsg resumed>) = 0 [pid 9551] <... futex resumed>) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9551] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9552] <... sendmsg resumed>) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9552] 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 9554 attached [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9554] set_robust_list(0x7ff2a101e9a0, 24 [pid 9552] <... sendmsg resumed>) = 0 [pid 9554] <... set_robust_list resumed>) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9552] <... sendmsg resumed>) = 0 [pid 9554] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9554] <... setsockopt resumed>) = 0 [pid 9552] <... sendmsg resumed>) = 0 [pid 9554] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9554] <... futex resumed>) = 1 [pid 9552] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9551] <... futex resumed>) = 0 [pid 9554] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9552] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9552] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9551] exit_group(0 [pid 9552] <... futex resumed>) = ? [pid 9551] <... exit_group resumed>) = ? [pid 9552] +++ exited with 0 +++ [pid 9554] <... futex resumed>) = ? [pid 9554] +++ exited with 0 +++ [pid 9551] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9555 ./strace-static-x86_64: Process 9555 attached [pid 9555] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9555] setpgid(0, 0) = 0 [pid 9555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9555] write(3, "1000", 4) = 4 [pid 9555] close(3) = 0 [pid 9555] write(1, "executing program\n", 18executing program ) = 18 [pid 9555] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9555] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9555] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9556]}, 88) = 9556 [pid 9555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9555] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9555] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9556 attached [pid 9556] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9556] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9556] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9555] <... futex resumed>) = 0 [pid 9555] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9555] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9555] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9556] 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 9557 attached [pid 9555] <... clone3 resumed> => {parent_tid=[9557]}, 88) = 9557 [pid 9555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9555] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9555] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9557] set_robust_list(0x7ff2a101e9a0, 24 [pid 9556] <... sendmsg resumed>) = 0 [pid 9557] <... set_robust_list resumed>) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9557] rt_sigprocmask(SIG_SETMASK, [], [pid 9556] <... sendmsg resumed>) = 0 [pid 9557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9557] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9556] <... sendmsg resumed>) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9557] <... setsockopt resumed>) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9557] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9556] <... sendmsg resumed>) = 0 [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9557] <... futex resumed>) = 1 [pid 9555] <... futex resumed>) = 0 [pid 9557] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9556] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9556] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9556] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9556] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9555] exit_group(0 [pid 9556] <... futex resumed>) = ? [pid 9555] <... exit_group resumed>) = ? [pid 9556] +++ exited with 0 +++ [pid 9557] <... futex resumed>) = ? [pid 9557] +++ exited with 0 +++ [pid 9555] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9555, 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 9558 attached , child_tidptr=0x55556cb53690) = 9558 [pid 9558] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9558] setpgid(0, 0) = 0 [pid 9558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9558] write(3, "1000", 4) = 4 [pid 9558] close(3) = 0 [pid 9558] write(1, "executing program\n", 18executing program ) = 18 [pid 9558] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9558] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9558] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9559 attached => {parent_tid=[9559]}, 88) = 9559 [pid 9559] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9559] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9558] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9559] <... futex resumed>) = 0 [pid 9559] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9559] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9559] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9558] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9558] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9559] <... futex resumed>) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9558] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9559] <... sendmsg resumed>) = 0 [pid 9558] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9558] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9559] <... sendmsg resumed>) = 0 [pid 9558] <... mprotect resumed>) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9559] <... sendmsg resumed>) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9558] <... clone3 resumed> => {parent_tid=[9560]}, 88) = 9560 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9559] <... sendmsg resumed>) = 0 [pid 9558] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9558] <... futex resumed>) = 0 [pid 9559] <... sendmsg resumed>) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9558] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] 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 9560 attached ) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9560] set_robust_list(0x7ff2a101e9a0, 24 [pid 9559] <... sendmsg resumed>) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9560] <... set_robust_list resumed>) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9560] rt_sigprocmask(SIG_SETMASK, [], [pid 9559] <... sendmsg resumed>) = 0 [pid 9559] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9559] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9559] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9560] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9560] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9558] <... futex resumed>) = 0 [pid 9558] exit_group(0) = ? [pid 9560] +++ exited with 0 +++ [pid 9559] <... futex resumed>) = ? [pid 9559] +++ exited with 0 +++ [pid 9558] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9558, si_uid=0, si_status=0, 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 9561 attached , child_tidptr=0x55556cb53690) = 9561 [pid 9561] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9561] setpgid(0, 0) = 0 [pid 9561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9561] write(3, "1000", 4) = 4 [pid 9561] close(3) = 0 [pid 9561] write(1, "executing program\n", 18executing program ) = 18 [pid 9561] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9561] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9561] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9562 attached => {parent_tid=[9562]}, 88) = 9562 [pid 9562] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9562] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9561] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9562] <... futex resumed>) = 0 [pid 9562] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9562] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9562] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9561] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9561] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9562] <... futex resumed>) = 0 [pid 9561] <... futex resumed>) = 1 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9561] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9562] <... sendmsg resumed>) = 0 [pid 9561] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9561] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9562] <... sendmsg resumed>) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9561] <... mprotect resumed>) = 0 [pid 9562] <... sendmsg resumed>) = 0 [pid 9561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9562] <... sendmsg resumed>) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9561] <... clone3 resumed> => {parent_tid=[9563]}, 88) = 9563 [pid 9561] rt_sigprocmask(SIG_SETMASK, [], [pid 9562] <... sendmsg resumed>) = 0 [pid 9561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9561] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9561] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9562] <... sendmsg resumed>) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] 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 9563 attached [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9563] set_robust_list(0x7ff2a101e9a0, 24 [pid 9562] <... sendmsg resumed>) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9562] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9562] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9563] <... set_robust_list resumed>) = 0 [pid 9563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9563] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9563] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9561] <... futex resumed>) = 0 [pid 9563] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9561] exit_group(0) = ? [pid 9562] <... futex resumed>) = ? [pid 9562] +++ exited with 0 +++ [pid 9563] <... futex resumed>) = ? [pid 9563] +++ exited with 0 +++ [pid 9561] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9561, si_uid=0, si_status=0, 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 9564 attached , child_tidptr=0x55556cb53690) = 9564 [pid 9564] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9564] setpgid(0, 0) = 0 [pid 9564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9564] write(3, "1000", 4) = 4 [pid 9564] close(3) = 0 [pid 9564] write(1, "executing program\n", 18executing program ) = 18 [pid 9564] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9564] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9564] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9565 attached => {parent_tid=[9565]}, 88) = 9565 [pid 9565] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9565] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9564] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9565] <... futex resumed>) = 0 [pid 9565] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9565] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9564] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9565] <... futex resumed>) = 0 [pid 9565] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9564] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9565] <... futex resumed>) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9564] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9564] <... futex resumed>) = 0 [pid 9565] <... sendmsg resumed>) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9565] <... sendmsg resumed>) = 0 [pid 9564] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9564] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9565] <... sendmsg resumed>) = 0 [pid 9564] <... mprotect resumed>) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9565] <... sendmsg resumed>) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9564] <... clone3 resumed> => {parent_tid=[9566]}, 88) = 9566 [pid 9565] <... sendmsg resumed>) = 0 [pid 9564] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 9566 attached NULL, 8) = 0 [pid 9564] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9564] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9565] <... sendmsg resumed>) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9565] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9565] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9566] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9566] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9566] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9564] <... futex resumed>) = 0 [pid 9566] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9564] exit_group(0 [pid 9566] <... futex resumed>) = ? [pid 9565] <... futex resumed>) = ? [pid 9564] <... exit_group resumed>) = ? [pid 9565] +++ exited with 0 +++ [pid 9566] +++ exited with 0 +++ [pid 9564] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9564, si_uid=0, si_status=0, 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 9567 attached , child_tidptr=0x55556cb53690) = 9567 [pid 9567] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9567] setpgid(0, 0) = 0 [pid 9567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9567] write(3, "1000", 4) = 4 [pid 9567] close(3) = 0 [pid 9567] write(1, "executing program\n", 18executing program ) = 18 [pid 9567] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9567] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9567] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9568 attached => {parent_tid=[9568]}, 88) = 9568 [pid 9568] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9568] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9567] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9568] <... futex resumed>) = 0 [pid 9568] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9567] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9568] <... socketpair resumed>[3, 4]) = 0 [pid 9568] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9568] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9567] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9568] <... futex resumed>) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9567] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9568] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9567] <... futex resumed>) = 0 [pid 9567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9568] <... sendmsg resumed>) = 0 [pid 9567] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9568] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9567] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9568] <... futex resumed>) = 0 [pid 9567] <... mprotect resumed>) = 0 [pid 9568] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9569 attached => {parent_tid=[9569]}, 88) = 9569 [pid 9569] set_robust_list(0x7ff2a101e9a0, 24 [pid 9567] rt_sigprocmask(SIG_SETMASK, [], [pid 9569] <... set_robust_list resumed>) = 0 [pid 9567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9569] rt_sigprocmask(SIG_SETMASK, [], [pid 9567] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9567] <... futex resumed>) = 0 [pid 9569] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9569] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9567] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9569] <... futex resumed>) = 0 [pid 9567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9569] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9567] exit_group(0) = ? [pid 9568] <... futex resumed>) = ? [pid 9568] +++ exited with 0 +++ [pid 9569] <... futex resumed>) = ? [pid 9569] +++ exited with 0 +++ [pid 9567] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9570 ./strace-static-x86_64: Process 9570 attached [pid 9570] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9570] setpgid(0, 0) = 0 [pid 9570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9570] write(3, "1000", 4) = 4 [pid 9570] close(3executing program ) = 0 [pid 9570] write(1, "executing program\n", 18) = 18 [pid 9570] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9570] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9570] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9571]}, 88) = 9571 [pid 9570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9570] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9570] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9571 attached [pid 9571] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9571] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9571] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9570] <... futex resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9570] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9571] <... sendmsg resumed>) = 0 [pid 9570] <... futex resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9570] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9571] <... sendmsg resumed>) = 0 [pid 9570] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9570] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9570] <... mprotect resumed>) = 0 [pid 9571] <... sendmsg resumed>) = 0 [pid 9570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9571] <... sendmsg resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9570] <... clone3 resumed> => {parent_tid=[9572]}, 88) = 9572 [pid 9571] <... sendmsg resumed>) = 0 [pid 9570] rt_sigprocmask(SIG_SETMASK, [], [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9571] <... sendmsg resumed>) = 0 [pid 9570] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9570] <... futex resumed>) = 0 [pid 9570] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9571] <... sendmsg resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] 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 9572 attached [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9572] set_robust_list(0x7ff2a101e9a0, 24 [pid 9571] <... sendmsg resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9572] <... set_robust_list resumed>) = 0 [pid 9571] <... sendmsg resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9572] rt_sigprocmask(SIG_SETMASK, [], [pid 9571] <... sendmsg resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9571] <... sendmsg resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9572] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9572] <... setsockopt resumed>) = 0 [pid 9571] <... sendmsg resumed>) = 0 [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9571] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9571] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9571] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9572] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9570] <... futex resumed>) = 0 [pid 9572] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9570] exit_group(0) = ? [pid 9572] <... futex resumed>) = 231 [pid 9571] <... futex resumed>) = ? [pid 9571] +++ exited with 0 +++ [pid 9572] +++ exited with 0 +++ [pid 9570] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9573 ./strace-static-x86_64: Process 9573 attached [pid 9573] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9573] setpgid(0, 0) = 0 [pid 9573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9573] write(3, "1000", 4) = 4 [pid 9573] close(3) = 0 executing program [pid 9573] write(1, "executing program\n", 18) = 18 [pid 9573] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9573] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9573] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9573] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9574 attached => {parent_tid=[9574]}, 88) = 9574 [pid 9574] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9574] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9573] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9574] <... futex resumed>) = 0 [pid 9574] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9573] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9574] <... socketpair resumed>[3, 4]) = 0 [pid 9574] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9574] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9573] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9574] <... futex resumed>) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9573] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9573] <... futex resumed>) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9574] <... sendmsg resumed>) = 0 [pid 9573] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9573] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9573] <... mprotect resumed>) = 0 [pid 9574] <... sendmsg resumed>) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9573] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9574] <... sendmsg resumed>) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9573] <... clone3 resumed> => {parent_tid=[9575]}, 88) = 9575 [pid 9573] rt_sigprocmask(SIG_SETMASK, [], [pid 9574] <... sendmsg resumed>) = 0 [pid 9573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9573] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9573] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9574] <... sendmsg resumed>) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] 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 9575 attached [pid 9575] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9575] rt_sigprocmask(SIG_SETMASK, [], [pid 9574] <... sendmsg resumed>) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9574] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9574] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9575] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9575] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9573] <... futex resumed>) = 0 [pid 9573] exit_group(0) = ? [pid 9574] <... futex resumed>) = ? [pid 9574] +++ exited with 0 +++ [pid 9575] +++ exited with 0 +++ [pid 9573] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9576 ./strace-static-x86_64: Process 9576 attached [pid 9576] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9576] setpgid(0, 0) = 0 [pid 9576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9576] write(3, "1000", 4) = 4 [pid 9576] close(3) = 0 [pid 9576] write(1, "executing program\n", 18executing program ) = 18 [pid 9576] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9576] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9576] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9577 attached => {parent_tid=[9577]}, 88) = 9577 [pid 9577] set_robust_list(0x7ff2a103f9a0, 24 [pid 9576] rt_sigprocmask(SIG_SETMASK, [], [pid 9577] <... set_robust_list resumed>) = 0 [pid 9577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9577] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9576] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9577] <... futex resumed>) = 0 [pid 9576] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9577] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9577] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9576] <... futex resumed>) = 0 [pid 9576] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9576] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9576] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9578]}, 88) = 9578 [pid 9576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9576] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9576] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9578 attached [pid 9578] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9578] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9578] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9576] <... futex resumed>) = 0 [pid 9578] <... futex resumed>) = 1 [pid 9578] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9577] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9577] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9576] exit_group(0 [pid 9577] <... futex resumed>) = ? [pid 9578] <... futex resumed>) = ? [pid 9576] <... exit_group resumed>) = ? [pid 9577] +++ exited with 0 +++ [pid 9578] +++ exited with 0 +++ [pid 9576] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9576, si_uid=0, si_status=0, 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 9579 attached , child_tidptr=0x55556cb53690) = 9579 [pid 9579] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9579] setpgid(0, 0) = 0 [pid 9579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9579] write(3, "1000", 4) = 4 [pid 9579] close(3) = 0 [pid 9579] write(1, "executing program\n", 18executing program ) = 18 [pid 9579] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9579] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9579] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9579] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9580 attached => {parent_tid=[9580]}, 88) = 9580 [pid 9580] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9579] rt_sigprocmask(SIG_SETMASK, [], [pid 9580] rt_sigprocmask(SIG_SETMASK, [], [pid 9579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9580] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9579] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9580] <... futex resumed>) = 0 [pid 9579] <... futex resumed>) = 1 [pid 9580] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9579] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9580] <... socketpair resumed>[3, 4]) = 0 [pid 9580] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9580] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9579] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9580] <... futex resumed>) = 0 [pid 9579] <... futex resumed>) = 1 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9579] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9580] <... sendmsg resumed>) = 0 [pid 9579] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9579] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9580] <... sendmsg resumed>) = 0 [pid 9579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9580] <... sendmsg resumed>) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9579] <... clone3 resumed> => {parent_tid=[9581]}, 88) = 9581 [pid 9579] rt_sigprocmask(SIG_SETMASK, [], [pid 9580] <... sendmsg resumed>) = 0 [pid 9579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9579] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9580] <... sendmsg resumed>) = 0 [pid 9579] <... futex resumed>) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9579] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9580] <... sendmsg resumed>) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] 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 9581 attached ) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9581] set_robust_list(0x7ff2a101e9a0, 24 [pid 9580] <... sendmsg resumed>) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9581] <... set_robust_list resumed>) = 0 [pid 9580] <... sendmsg resumed>) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9581] rt_sigprocmask(SIG_SETMASK, [], [pid 9580] <... sendmsg resumed>) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9580] <... sendmsg resumed>) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9581] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9580] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9580] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9581] <... setsockopt resumed>) = 0 [pid 9581] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9579] <... futex resumed>) = 0 [pid 9579] exit_group(0 [pid 9581] ????( [pid 9579] <... exit_group resumed>) = ? [pid 9580] <... futex resumed>) = ? [pid 9581] <... ???? resumed>) = ? [pid 9580] +++ exited with 0 +++ [pid 9581] +++ exited with 0 +++ [pid 9579] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9582 ./strace-static-x86_64: Process 9582 attached [pid 9582] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9582] setpgid(0, 0) = 0 [pid 9582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9582] write(3, "1000", 4) = 4 [pid 9582] close(3) = 0 [pid 9582] write(1, "executing program\n", 18executing program ) = 18 [pid 9582] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9582] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9582] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9582] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9583 attached => {parent_tid=[9583]}, 88) = 9583 [pid 9583] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9583] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9582] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9583] <... futex resumed>) = 0 [pid 9582] <... futex resumed>) = 1 [pid 9583] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9582] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9583] <... socketpair resumed>[3, 4]) = 0 [pid 9583] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9582] <... futex resumed>) = 0 [pid 9582] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9582] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9582] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9582] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9583] 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 9584 attached [pid 9582] <... clone3 resumed> => {parent_tid=[9584]}, 88) = 9584 [pid 9582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9582] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9582] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9583] <... sendmsg resumed>) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9584] set_robust_list(0x7ff2a101e9a0, 24 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9584] <... set_robust_list resumed>) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9583] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9583] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9584] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9584] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9582] <... futex resumed>) = 0 [pid 9582] exit_group(0 [pid 9583] <... futex resumed>) = ? [pid 9582] <... exit_group resumed>) = ? [pid 9583] +++ exited with 0 +++ [pid 9584] +++ exited with 0 +++ [pid 9582] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9582, si_uid=0, si_status=0, 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 9585 attached , child_tidptr=0x55556cb53690) = 9585 [pid 9585] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9585] setpgid(0, 0) = 0 [pid 9585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9585] write(3, "1000", 4) = 4 [pid 9585] close(3) = 0 executing program [pid 9585] write(1, "executing program\n", 18) = 18 [pid 9585] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9585] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9585] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9586 attached => {parent_tid=[9586]}, 88) = 9586 [pid 9586] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9586] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9585] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9586] <... futex resumed>) = 0 [pid 9586] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9586] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9586] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9585] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9585] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9586] <... futex resumed>) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9585] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9585] <... futex resumed>) = 0 [pid 9586] <... sendmsg resumed>) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9585] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9585] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9586] <... sendmsg resumed>) = 0 [pid 9585] <... mprotect resumed>) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9586] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9587]}, 88) = 9587 [pid 9585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9585] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9585] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9586] <... sendmsg resumed>) = 0 [pid 9586] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9586] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9587 attached [pid 9587] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9587] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9587] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9585] <... futex resumed>) = 0 [pid 9585] exit_group(0) = ? [pid 9586] <... futex resumed>) = ? [pid 9586] +++ exited with 0 +++ [pid 9587] +++ exited with 0 +++ [pid 9585] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9585, si_uid=0, si_status=0, 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 9588 attached , child_tidptr=0x55556cb53690) = 9588 [pid 9588] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9588] setpgid(0, 0) = 0 [pid 9588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9588] write(3, "1000", 4) = 4 [pid 9588] close(3) = 0 [pid 9588] write(1, "executing program\n", 18executing program ) = 18 [pid 9588] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9588] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9588] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9589 attached => {parent_tid=[9589]}, 88) = 9589 [pid 9589] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9589] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9588] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9589] <... futex resumed>) = 0 [pid 9589] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9588] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9589] <... socketpair resumed>[3, 4]) = 0 [pid 9589] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9588] <... futex resumed>) = 0 [pid 9588] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9588] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9588] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9590]}, 88) = 9590 [pid 9588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9588] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9588] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9590 attached [pid 9590] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9590] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9590] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9588] <... futex resumed>) = 0 [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9590] <... futex resumed>) = 1 [pid 9590] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9589] <... sendmsg resumed>) = 0 [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9589] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9589] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9588] exit_group(0 [pid 9589] <... futex resumed>) = ? [pid 9590] <... futex resumed>) = ? [pid 9588] <... exit_group resumed>) = ? [pid 9589] +++ exited with 0 +++ [pid 9590] +++ exited with 0 +++ [pid 9588] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9591 ./strace-static-x86_64: Process 9591 attached [pid 9591] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9591] setpgid(0, 0) = 0 [pid 9591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9591] write(3, "1000", 4) = 4 [pid 9591] close(3) = 0 executing program [pid 9591] write(1, "executing program\n", 18) = 18 [pid 9591] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9591] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9591] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9592 attached => {parent_tid=[9592]}, 88) = 9592 [pid 9592] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9592] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9591] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9592] <... futex resumed>) = 0 [pid 9592] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9591] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9592] <... socketpair resumed>[3, 4]) = 0 [pid 9592] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9592] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9591] <... futex resumed>) = 0 [pid 9591] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9592] <... futex resumed>) = 0 [pid 9591] <... futex resumed>) = 1 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9591] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9592] <... sendmsg resumed>) = 0 [pid 9591] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9591] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9592] <... sendmsg resumed>) = 0 [pid 9591] <... mprotect resumed>) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9592] <... sendmsg resumed>) = 0 [pid 9591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9591] <... clone3 resumed> => {parent_tid=[9593]}, 88) = 9593 [pid 9592] <... sendmsg resumed>) = 0 [pid 9591] rt_sigprocmask(SIG_SETMASK, [], [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9591] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9591] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9592] <... sendmsg resumed>) = 0 [pid 9592] 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 9593 attached [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9593] set_robust_list(0x7ff2a101e9a0, 24 [pid 9592] <... sendmsg resumed>) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9593] <... set_robust_list resumed>) = 0 [pid 9592] <... sendmsg resumed>) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9593] rt_sigprocmask(SIG_SETMASK, [], [pid 9592] <... sendmsg resumed>) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9592] <... sendmsg resumed>) = 0 [pid 9593] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9593] <... setsockopt resumed>) = 0 [pid 9592] <... sendmsg resumed>) = 0 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9593] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9593] <... futex resumed>) = 1 [pid 9591] <... futex resumed>) = 0 [pid 9592] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9593] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9592] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9592] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9592] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9591] exit_group(0) = ? [pid 9593] <... futex resumed>) = ? [pid 9592] <... futex resumed>) = ? [pid 9593] +++ exited with 0 +++ [pid 9592] +++ exited with 0 +++ [pid 9591] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9594 ./strace-static-x86_64: Process 9594 attached [pid 9594] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9594] setpgid(0, 0) = 0 [pid 9594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9594] write(3, "1000", 4) = 4 [pid 9594] close(3) = 0 executing program [pid 9594] write(1, "executing program\n", 18) = 18 [pid 9594] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9594] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9594] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9595 attached [pid 9595] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9595] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9594] <... clone3 resumed> => {parent_tid=[9595]}, 88) = 9595 [pid 9594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9594] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9595] <... futex resumed>) = 0 [pid 9595] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9594] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9595] <... socketpair resumed>[3, 4]) = 0 [pid 9595] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9595] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9594] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9595] <... futex resumed>) = 0 [pid 9594] <... futex resumed>) = 1 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9594] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9595] <... sendmsg resumed>) = 0 [pid 9594] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9594] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9595] <... sendmsg resumed>) = 0 [pid 9594] <... mprotect resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9595] <... sendmsg resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9594] <... clone3 resumed> => {parent_tid=[9596]}, 88) = 9596 [pid 9594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9595] <... sendmsg resumed>) = 0 [pid 9594] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9594] <... futex resumed>) = 0 [pid 9594] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9596 attached [pid 9595] <... sendmsg resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9596] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9595] <... sendmsg resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9596] rt_sigprocmask(SIG_SETMASK, [], [pid 9595] <... sendmsg resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9595] <... sendmsg resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9596] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9595] <... sendmsg resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9596] <... setsockopt resumed>) = 0 [pid 9595] <... sendmsg resumed>) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9596] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9595] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9596] <... futex resumed>) = 1 [pid 9594] <... futex resumed>) = 0 [pid 9595] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9596] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9595] <... futex resumed>) = 0 [pid 9594] exit_group(0 [pid 9596] <... futex resumed>) = 231 [pid 9594] <... exit_group resumed>) = ? [pid 9596] +++ exited with 0 +++ [pid 9595] +++ exited with 0 +++ [pid 9594] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9594, si_uid=0, si_status=0, 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 9597 attached , child_tidptr=0x55556cb53690) = 9597 [pid 9597] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9597] setpgid(0, 0) = 0 [pid 9597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9597] write(3, "1000", 4) = 4 [pid 9597] close(3executing program ) = 0 [pid 9597] write(1, "executing program\n", 18) = 18 [pid 9597] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9597] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9597] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9598 attached => {parent_tid=[9598]}, 88) = 9598 [pid 9598] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9598] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9597] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9598] <... futex resumed>) = 0 [pid 9598] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9598] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9598] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9597] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9597] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9598] <... futex resumed>) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9597] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9597] <... futex resumed>) = 0 [pid 9597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9598] <... sendmsg resumed>) = 0 [pid 9597] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9597] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9598] <... sendmsg resumed>) = 0 [pid 9597] <... mprotect resumed>) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9597] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9598] <... sendmsg resumed>) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9597] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9598] <... sendmsg resumed>) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9597] <... clone3 resumed> => {parent_tid=[9599]}, 88) = 9599 [pid 9597] rt_sigprocmask(SIG_SETMASK, [], [pid 9598] <... sendmsg resumed>) = 0 [pid 9597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9597] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9597] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9598] <... sendmsg resumed>) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] 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 9599 attached [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9598] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9599] set_robust_list(0x7ff2a101e9a0, 24 [pid 9598] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9599] <... set_robust_list resumed>) = 0 [pid 9599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9599] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9599] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9597] <... futex resumed>) = 0 [pid 9597] exit_group(0) = ? [pid 9598] <... futex resumed>) = ? [pid 9598] +++ exited with 0 +++ [pid 9599] +++ exited with 0 +++ [pid 9597] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9600 ./strace-static-x86_64: Process 9600 attached [pid 9600] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9600] setpgid(0, 0) = 0 [pid 9600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9600] write(3, "1000", 4) = 4 [pid 9600] close(3executing program ) = 0 [pid 9600] write(1, "executing program\n", 18) = 18 [pid 9600] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9600] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9600] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9601]}, 88) = 9601 [pid 9600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9600] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9600] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9601 attached [pid 9601] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9601] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9601] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9600] <... futex resumed>) = 0 [pid 9600] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9600] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9600] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9602 attached => {parent_tid=[9602]}, 88) = 9602 [pid 9600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9600] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9600] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9601] <... futex resumed>) = 1 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9602] set_robust_list(0x7ff2a101e9a0, 24 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9601] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9601] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9602] <... set_robust_list resumed>) = 0 [pid 9602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9602] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9602] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9600] <... futex resumed>) = 0 [pid 9600] exit_group(0) = ? [pid 9601] <... futex resumed>) = ? [pid 9601] +++ exited with 0 +++ [pid 9602] <... futex resumed>) = ? [pid 9602] +++ exited with 0 +++ [pid 9600] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9600, si_uid=0, si_status=0, 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 9603 attached , child_tidptr=0x55556cb53690) = 9603 [pid 9603] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9603] setpgid(0, 0) = 0 [pid 9603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9603] write(3, "1000", 4) = 4 [pid 9603] close(3) = 0 [pid 9603] write(1, "executing program\n", 18executing program ) = 18 [pid 9603] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9603] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9603] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9604 attached [pid 9604] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9604] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9603] <... clone3 resumed> => {parent_tid=[9604]}, 88) = 9604 [pid 9603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9603] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9604] <... futex resumed>) = 0 [pid 9604] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9604] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9604] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9603] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9603] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9604] <... futex resumed>) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9603] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] <... futex resumed>) = 0 [pid 9604] <... sendmsg resumed>) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9604] <... sendmsg resumed>) = 0 [pid 9603] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9603] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] <... mprotect resumed>) = 0 [pid 9604] <... sendmsg resumed>) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9604] <... sendmsg resumed>) = 0 [pid 9603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] <... clone3 resumed> => {parent_tid=[9605]}, 88) = 9605 [pid 9604] <... sendmsg resumed>) = 0 [pid 9603] rt_sigprocmask(SIG_SETMASK, [], [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9604] <... sendmsg resumed>) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9604] <... sendmsg resumed>) = 0 [pid 9603] <... futex resumed>) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9603] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9604] <... sendmsg resumed>) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9604] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9604] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9605 attached [pid 9605] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9605] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9605] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9605] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9603] <... futex resumed>) = 0 [pid 9603] exit_group(0) = ? [pid 9604] <... futex resumed>) = ? [pid 9604] +++ exited with 0 +++ [pid 9605] <... futex resumed>) = ? [pid 9605] +++ exited with 0 +++ [pid 9603] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9606 ./strace-static-x86_64: Process 9606 attached [pid 9606] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9606] setpgid(0, 0) = 0 [pid 9606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9606] write(3, "1000", 4) = 4 [pid 9606] close(3) = 0 executing program [pid 9606] write(1, "executing program\n", 18) = 18 [pid 9606] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9606] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9606] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9607 attached => {parent_tid=[9607]}, 88) = 9607 [pid 9606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9606] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9606] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9607] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9607] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9607] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9606] <... futex resumed>) = 0 [pid 9606] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9606] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9606] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9606] <... clone3 resumed> => {parent_tid=[9608]}, 88) = 9608 [pid 9607] <... sendmsg resumed>) = 0 [pid 9606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9606] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9607] <... sendmsg resumed>) = 0 [pid 9606] <... futex resumed>) = 0 [pid 9606] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9607] 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 9608 attached ) = 0 [pid 9607] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9607] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9608] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9608] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9608] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9606] <... futex resumed>) = 0 [pid 9606] exit_group(0) = ? [pid 9607] <... futex resumed>) = ? [pid 9608] +++ exited with 0 +++ [pid 9607] +++ exited with 0 +++ [pid 9606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9606, si_uid=0, si_status=0, 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 9609 attached , child_tidptr=0x55556cb53690) = 9609 [pid 9609] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9609] setpgid(0, 0) = 0 [pid 9609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9609] write(3, "1000", 4) = 4 executing program [pid 9609] close(3) = 0 [pid 9609] write(1, "executing program\n", 18) = 18 [pid 9609] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9609] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9609] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9610]}, 88) = 9610 [pid 9609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9609] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9609] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9610 attached [pid 9610] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9610] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9610] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9609] <... futex resumed>) = 0 [pid 9609] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9609] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9609] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9611]}, 88) = 9611 [pid 9609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9609] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9609] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9611 attached [pid 9611] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9611] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9610] <... sendmsg resumed>) = 0 [pid 9611] <... setsockopt resumed>) = 0 [pid 9611] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9609] <... futex resumed>) = 0 [pid 9611] <... futex resumed>) = 1 [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9611] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9610] <... sendmsg resumed>) = 0 [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9610] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9609] exit_group(0 [pid 9610] <... futex resumed>) = ? [pid 9609] <... exit_group resumed>) = ? [pid 9610] +++ exited with 0 +++ [pid 9611] <... futex resumed>) = ? [pid 9611] +++ exited with 0 +++ [pid 9609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9609, si_uid=0, si_status=0, 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 9612 attached [pid 9612] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 371] <... clone resumed>, child_tidptr=0x55556cb53690) = 9612 [pid 9612] <... prctl resumed>) = 0 [pid 9612] setpgid(0, 0) = 0 [pid 9612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9612] write(3, "1000", 4) = 4 [pid 9612] close(3) = 0 [pid 9612] write(1, "executing program\n", 18executing program ) = 18 [pid 9612] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9612] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9612] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9613 attached => {parent_tid=[9613]}, 88) = 9613 [pid 9613] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9613] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9612] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9613] <... futex resumed>) = 0 [pid 9613] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9612] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9613] <... socketpair resumed>[3, 4]) = 0 [pid 9613] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9612] <... futex resumed>) = 0 [pid 9612] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9612] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9612] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9612] <... clone3 resumed> => {parent_tid=[9614]}, 88) = 9614 [pid 9613] <... sendmsg resumed>) = 0 [pid 9612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9612] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9612] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9614 attached [pid 9614] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9614] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9614] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9612] <... futex resumed>) = 0 [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9614] <... futex resumed>) = 1 [pid 9614] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9613] <... sendmsg resumed>) = 0 [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9613] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9613] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9612] exit_group(0 [pid 9614] <... futex resumed>) = 230 [pid 9613] <... futex resumed>) = ? [pid 9612] <... exit_group resumed>) = ? [pid 9613] +++ exited with 0 +++ [pid 9614] +++ exited with 0 +++ [pid 9612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9612, si_uid=0, si_status=0, 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 9615 attached , child_tidptr=0x55556cb53690) = 9615 [pid 9615] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9615] setpgid(0, 0) = 0 [pid 9615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9615] write(3, "1000", 4) = 4 [pid 9615] close(3) = 0 [pid 9615] write(1, "executing program\n", 18executing program ) = 18 [pid 9615] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9615] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9615] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9616 attached => {parent_tid=[9616]}, 88) = 9616 [pid 9616] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9616] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9615] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9616] <... futex resumed>) = 0 [pid 9616] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9616] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9616] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9615] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9615] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9616] <... futex resumed>) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9615] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9615] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9616] <... sendmsg resumed>) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9615] <... mprotect resumed>) = 0 [pid 9616] <... sendmsg resumed>) = 0 [pid 9615] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9615] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9616] <... sendmsg resumed>) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9615] <... clone3 resumed> => {parent_tid=[9617]}, 88) = 9617 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9615] rt_sigprocmask(SIG_SETMASK, [], [pid 9616] <... sendmsg resumed>) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9615] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9616] <... sendmsg resumed>) = 0 [pid 9615] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] 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 9617 attached ) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9616] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9616] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9617] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9617] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9617] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9615] <... futex resumed>) = 0 [pid 9617] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9615] exit_group(0) = ? [pid 9616] <... futex resumed>) = ? [pid 9616] +++ exited with 0 +++ [pid 9617] <... futex resumed>) = ? [pid 9617] +++ exited with 0 +++ [pid 9615] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9618 ./strace-static-x86_64: Process 9618 attached [pid 9618] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9618] setpgid(0, 0) = 0 [pid 9618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9618] write(3, "1000", 4) = 4 [pid 9618] close(3) = 0 [pid 9618] write(1, "executing program\n", 18executing program ) = 18 [pid 9618] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9618] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9618] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9619 attached => {parent_tid=[9619]}, 88) = 9619 [pid 9619] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9619] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9618] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9619] <... futex resumed>) = 0 [pid 9619] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9619] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9619] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9618] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9618] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9619] <... futex resumed>) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9618] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9619] <... sendmsg resumed>) = 0 [pid 9618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9618] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9618] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9619] <... sendmsg resumed>) = 0 [pid 9618] <... mprotect resumed>) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9618] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9619] <... sendmsg resumed>) = 0 [pid 9618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9618] <... clone3 resumed> => {parent_tid=[9620]}, 88) = 9620 [pid 9618] rt_sigprocmask(SIG_SETMASK, [], [pid 9619] <... sendmsg resumed>) = 0 [pid 9618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9618] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9619] <... sendmsg resumed>) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9618] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9619] <... sendmsg resumed>) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9619] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9619] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9620 attached [pid 9620] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9620] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9620] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9618] <... futex resumed>) = 0 [pid 9620] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9618] exit_group(0) = ? [pid 9619] <... futex resumed>) = ? [pid 9619] +++ exited with 0 +++ [pid 9620] <... futex resumed>) = ? [pid 9620] +++ exited with 0 +++ [pid 9618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9618, 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=0x55556cb53690) = 9621 ./strace-static-x86_64: Process 9621 attached [pid 9621] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9621] setpgid(0, 0) = 0 [pid 9621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9621] write(3, "1000", 4executing program ) = 4 [pid 9621] close(3) = 0 [pid 9621] write(1, "executing program\n", 18) = 18 [pid 9621] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9621] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9621] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9622]}, 88) = 9622 [pid 9621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9621] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9621] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9622 attached [pid 9622] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9622] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9622] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9621] <... futex resumed>) = 0 [pid 9621] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9621] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9621] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9623]}, 88) = 9623 [pid 9622] <... futex resumed>) = 1 [pid 9621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9621] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9621] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9623 attached [pid 9623] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9623] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9623] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9621] <... futex resumed>) = 0 [pid 9623] <... futex resumed>) = 1 [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9623] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9622] <... sendmsg resumed>) = 0 [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9622] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9622] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9621] exit_group(0) = ? [pid 9623] <... futex resumed>) = ? [pid 9623] +++ exited with 0 +++ [pid 9622] <... futex resumed>) = ? [pid 9622] +++ exited with 0 +++ [pid 9621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9621, si_uid=0, si_status=0, 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 9624 attached , child_tidptr=0x55556cb53690) = 9624 [pid 9624] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9624] setpgid(0, 0) = 0 [pid 9624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9624] write(3, "1000", 4) = 4 [pid 9624] close(3executing program ) = 0 [pid 9624] write(1, "executing program\n", 18) = 18 [pid 9624] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9624] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9624] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9625 attached [pid 9625] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9625] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9624] <... clone3 resumed> => {parent_tid=[9625]}, 88) = 9625 [pid 9624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9624] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9625] <... futex resumed>) = 0 [pid 9625] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9625] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9625] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9624] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9624] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9625] <... futex resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9625] <... sendmsg resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] <... futex resumed>) = 0 [pid 9625] <... sendmsg resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9625] <... sendmsg resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9624] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9625] <... sendmsg resumed>) = 0 [pid 9624] <... mprotect resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9625] <... sendmsg resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9625] <... sendmsg resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] <... clone3 resumed> => {parent_tid=[9626]}, 88) = 9626 [pid 9625] <... sendmsg resumed>) = 0 [pid 9624] rt_sigprocmask(SIG_SETMASK, [], [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9625] <... sendmsg resumed>) = 0 [pid 9624] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] <... futex resumed>) = 0 [pid 9625] <... sendmsg resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9624] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9625] <... sendmsg resumed>) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9625] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9625] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9626 attached [pid 9626] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9626] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9626] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9624] <... futex resumed>) = 0 [pid 9624] exit_group(0) = ? [pid 9625] <... futex resumed>) = ? [pid 9625] +++ exited with 0 +++ [pid 9626] +++ exited with 0 +++ [pid 9624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9624, si_uid=0, si_status=0, 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 9627 attached , child_tidptr=0x55556cb53690) = 9627 [pid 9627] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9627] setpgid(0, 0) = 0 [pid 9627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9627] write(3, "1000", 4) = 4 [pid 9627] close(3) = 0 [pid 9627] write(1, "executing program\n", 18executing program ) = 18 [pid 9627] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9627] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9627] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9628 attached => {parent_tid=[9628]}, 88) = 9628 [pid 9628] set_robust_list(0x7ff2a103f9a0, 24 [pid 9627] rt_sigprocmask(SIG_SETMASK, [], [pid 9628] <... set_robust_list resumed>) = 0 [pid 9628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9628] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9627] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9628] <... futex resumed>) = 0 [pid 9627] <... futex resumed>) = 1 [pid 9628] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9627] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9628] <... socketpair resumed>[3, 4]) = 0 [pid 9628] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9628] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9627] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9628] <... futex resumed>) = 0 [pid 9627] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9627] <... futex resumed>) = 0 [pid 9627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9628] <... sendmsg resumed>) = 0 [pid 9627] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9627] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9628] <... sendmsg resumed>) = 0 [pid 9627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9628] <... sendmsg resumed>) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9627] <... clone3 resumed> => {parent_tid=[9629]}, 88) = 9629 [pid 9627] rt_sigprocmask(SIG_SETMASK, [], [pid 9628] <... sendmsg resumed>) = 0 [pid 9627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9627] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9628] <... sendmsg resumed>) = 0 [pid 9627] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9629 attached [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9629] set_robust_list(0x7ff2a101e9a0, 24 [pid 9628] <... sendmsg resumed>) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9629] <... set_robust_list resumed>) = 0 [pid 9628] <... sendmsg resumed>) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9629] rt_sigprocmask(SIG_SETMASK, [], [pid 9628] <... sendmsg resumed>) = 0 [pid 9629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9628] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9628] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9629] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9629] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9627] <... futex resumed>) = 0 [pid 9627] exit_group(0) = ? [pid 9629] <... futex resumed>) = ? [pid 9628] <... futex resumed>) = ? [pid 9628] +++ exited with 0 +++ [pid 9629] +++ exited with 0 +++ [pid 9627] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9627, 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 9630 attached , child_tidptr=0x55556cb53690) = 9630 [pid 9630] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9630] setpgid(0, 0) = 0 [pid 9630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9630] write(3, "1000", 4) = 4 [pid 9630] close(3) = 0 [pid 9630] write(1, "executing program\n", 18executing program ) = 18 [pid 9630] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9630] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9630] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9631 attached => {parent_tid=[9631]}, 88) = 9631 [pid 9631] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9631] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9630] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9631] <... futex resumed>) = 0 [pid 9630] <... futex resumed>) = 1 [pid 9631] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9630] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9631] <... socketpair resumed>[3, 4]) = 0 [pid 9631] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9631] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9630] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9631] <... futex resumed>) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9630] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9630] <... futex resumed>) = 0 [pid 9631] <... sendmsg resumed>) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9631] <... sendmsg resumed>) = 0 [pid 9630] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9630] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9631] <... sendmsg resumed>) = 0 [pid 9630] <... mprotect resumed>) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9631] <... sendmsg resumed>) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9631] <... sendmsg resumed>) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9630] <... clone3 resumed> => {parent_tid=[9632]}, 88) = 9632 [pid 9631] <... sendmsg resumed>) = 0 [pid 9630] rt_sigprocmask(SIG_SETMASK, [], [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9630] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9631] <... sendmsg resumed>) = 0 [pid 9630] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] 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 9632 attached ) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9632] set_robust_list(0x7ff2a101e9a0, 24 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9631] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9631] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9632] <... set_robust_list resumed>) = 0 [pid 9632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9632] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9632] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9630] <... futex resumed>) = 0 [pid 9630] exit_group(0) = ? [pid 9631] <... futex resumed>) = ? [pid 9631] +++ exited with 0 +++ [pid 9632] +++ exited with 0 +++ [pid 9630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9630, si_uid=0, si_status=0, 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 9633 attached , child_tidptr=0x55556cb53690) = 9633 [pid 9633] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9633] setpgid(0, 0) = 0 [pid 9633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9633] write(3, "1000", 4) = 4 [pid 9633] close(3) = 0 [pid 9633] write(1, "executing program\n", 18executing program ) = 18 [pid 9633] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9633] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9633] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9634 attached => {parent_tid=[9634]}, 88) = 9634 [pid 9634] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9634] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9633] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9634] <... futex resumed>) = 0 [pid 9634] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9633] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9634] <... socketpair resumed>[3, 4]) = 0 [pid 9634] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9633] <... futex resumed>) = 0 [pid 9633] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9633] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9633] <... futex resumed>) = 0 [pid 9633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9633] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9635]}, 88) = 9635 [pid 9633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9633] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9633] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9635 attached [pid 9635] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9635] rt_sigprocmask(SIG_SETMASK, [], [pid 9634] <... sendmsg resumed>) = 0 [pid 9635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9635] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9635] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9633] <... futex resumed>) = 0 [pid 9635] <... futex resumed>) = 1 [pid 9635] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9634] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9634] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9633] exit_group(0 [pid 9634] <... futex resumed>) = ? [pid 9633] <... exit_group resumed>) = ? [pid 9634] +++ exited with 0 +++ [pid 9635] <... futex resumed>) = ? [pid 9635] +++ exited with 0 +++ [pid 9633] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9636 ./strace-static-x86_64: Process 9636 attached [pid 9636] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9636] setpgid(0, 0) = 0 [pid 9636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9636] write(3, "1000", 4) = 4 [pid 9636] close(3) = 0 [pid 9636] write(1, "executing program\n", 18executing program ) = 18 [pid 9636] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9636] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9636] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9637 attached => {parent_tid=[9637]}, 88) = 9637 [pid 9637] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9637] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9636] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9637] <... futex resumed>) = 0 [pid 9637] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9637] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9637] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9636] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9637] <... futex resumed>) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9636] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9637] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9637] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] <... futex resumed>) = 0 [pid 9636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9636] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9638 attached [pid 9638] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9638] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] <... clone3 resumed> => {parent_tid=[9638]}, 88) = 9638 [pid 9636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9636] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9638] <... futex resumed>) = 0 [pid 9638] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9638] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9638] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9636] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9636] exit_group(0) = ? [pid 9637] <... futex resumed>) = ? [pid 9637] +++ exited with 0 +++ [pid 9638] <... futex resumed>) = ? [pid 9638] +++ exited with 0 +++ [pid 9636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9639 ./strace-static-x86_64: Process 9639 attached [pid 9639] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9639] setpgid(0, 0) = 0 [pid 9639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9639] write(3, "1000", 4) = 4 [pid 9639] close(3) = 0 [pid 9639] write(1, "executing program\n", 18executing program ) = 18 [pid 9639] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9639] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9639] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9640 attached => {parent_tid=[9640]}, 88) = 9640 [pid 9640] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9640] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9639] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9640] <... futex resumed>) = 0 [pid 9640] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9639] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9640] <... socketpair resumed>[3, 4]) = 0 [pid 9640] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9640] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9639] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9640] <... futex resumed>) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9639] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9640] <... sendmsg resumed>) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9639] <... futex resumed>) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9640] <... sendmsg resumed>) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9639] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9640] <... sendmsg resumed>) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9639] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9639] <... mprotect resumed>) = 0 [pid 9639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9640] <... sendmsg resumed>) = 0 [pid 9639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9641]}, 88) = 9641 [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9639] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9639] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9641 attached [pid 9641] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9641] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9641] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9639] <... futex resumed>) = 0 [pid 9641] <... futex resumed>) = 1 [pid 9640] <... sendmsg resumed>) = 0 [pid 9641] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9640] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9640] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9639] exit_group(0) = ? [pid 9640] <... futex resumed>) = 231 [pid 9640] +++ exited with 0 +++ [pid 9641] <... futex resumed>) = ? [pid 9641] +++ exited with 0 +++ [pid 9639] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9639, si_uid=0, si_status=0, 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 9642 attached , child_tidptr=0x55556cb53690) = 9642 [pid 9642] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9642] setpgid(0, 0) = 0 [pid 9642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9642] write(3, "1000", 4) = 4 [pid 9642] close(3) = 0 [pid 9642] write(1, "executing program\n", 18executing program ) = 18 [pid 9642] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9642] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9642] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9643 attached => {parent_tid=[9643]}, 88) = 9643 [pid 9643] set_robust_list(0x7ff2a103f9a0, 24 [pid 9642] rt_sigprocmask(SIG_SETMASK, [], [pid 9643] <... set_robust_list resumed>) = 0 [pid 9642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9643] rt_sigprocmask(SIG_SETMASK, [], [pid 9642] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9642] <... futex resumed>) = 0 [pid 9643] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9642] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9643] <... socketpair resumed>[3, 4]) = 0 [pid 9643] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9642] <... futex resumed>) = 0 [pid 9642] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9642] <... futex resumed>) = 0 [pid 9643] <... sendmsg resumed>) = 0 [pid 9642] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9642] <... futex resumed>) = 0 [pid 9643] <... sendmsg resumed>) = 0 [pid 9642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9642] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9643] <... sendmsg resumed>) = 0 [pid 9642] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9642] <... mprotect resumed>) = 0 [pid 9643] <... sendmsg resumed>) = 0 [pid 9642] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9642] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9643] <... sendmsg resumed>) = 0 [pid 9643] 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 9644 attached [pid 9642] <... clone3 resumed> => {parent_tid=[9644]}, 88) = 9644 [pid 9644] set_robust_list(0x7ff2a101e9a0, 24 [pid 9643] <... sendmsg resumed>) = 0 [pid 9642] rt_sigprocmask(SIG_SETMASK, [], [pid 9644] <... set_robust_list resumed>) = 0 [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9644] rt_sigprocmask(SIG_SETMASK, [], [pid 9643] <... sendmsg resumed>) = 0 [pid 9642] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9642] <... futex resumed>) = 0 [pid 9644] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9643] <... sendmsg resumed>) = 0 [pid 9642] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9644] <... setsockopt resumed>) = 0 [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9644] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9643] <... sendmsg resumed>) = 0 [pid 9644] <... futex resumed>) = 1 [pid 9642] <... futex resumed>) = 0 [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9644] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9643] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9643] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9643] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9642] exit_group(0 [pid 9643] <... futex resumed>) = 231 [pid 9642] <... exit_group resumed>) = ? [pid 9644] <... futex resumed>) = ? [pid 9644] +++ exited with 0 +++ [pid 9643] +++ exited with 0 +++ [pid 9642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9645 ./strace-static-x86_64: Process 9645 attached [pid 9645] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9645] setpgid(0, 0) = 0 [pid 9645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9645] write(3, "1000", 4) = 4 executing program [pid 9645] close(3) = 0 [pid 9645] write(1, "executing program\n", 18) = 18 [pid 9645] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9645] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9645] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9646 attached => {parent_tid=[9646]}, 88) = 9646 [pid 9646] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9646] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9645] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9646] <... futex resumed>) = 0 [pid 9646] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9645] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9646] <... socketpair resumed>[3, 4]) = 0 [pid 9646] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9645] <... futex resumed>) = 0 [pid 9645] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9645] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9645] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9647]}, 88) = 9647 [pid 9645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9645] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9645] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9647 attached [pid 9647] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9647] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9647] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9645] <... futex resumed>) = 0 [pid 9647] <... futex resumed>) = 1 [pid 9647] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9646] <... sendmsg resumed>) = 0 [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9646] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9646] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9645] exit_group(0) = ? [pid 9646] <... futex resumed>) = ? [pid 9647] <... futex resumed>) = ? [pid 9646] +++ exited with 0 +++ [pid 9647] +++ exited with 0 +++ [pid 9645] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9645, si_uid=0, si_status=0, 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 9648 attached , child_tidptr=0x55556cb53690) = 9648 [pid 9648] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9648] setpgid(0, 0) = 0 [pid 9648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9648] write(3, "1000", 4) = 4 [pid 9648] close(3) = 0 [pid 9648] write(1, "executing program\n", 18executing program ) = 18 [pid 9648] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9648] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9648] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9649 attached [pid 9649] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9649] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9648] <... clone3 resumed> => {parent_tid=[9649]}, 88) = 9649 [pid 9648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9648] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9649] <... futex resumed>) = 0 [pid 9649] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9648] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9649] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9649] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9648] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9649] <... futex resumed>) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9648] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9649] <... sendmsg resumed>) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9649] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9649] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9648] <... futex resumed>) = 0 [pid 9648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9648] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9650 attached => {parent_tid=[9650]}, 88) = 9650 [pid 9650] set_robust_list(0x7ff2a101e9a0, 24 [pid 9648] rt_sigprocmask(SIG_SETMASK, [], [pid 9650] <... set_robust_list resumed>) = 0 [pid 9648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9650] rt_sigprocmask(SIG_SETMASK, [], [pid 9648] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9650] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9648] <... futex resumed>) = 0 [pid 9650] <... setsockopt resumed>) = 0 [pid 9648] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9650] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9648] <... futex resumed>) = 0 [pid 9650] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9648] exit_group(0) = ? [pid 9649] <... futex resumed>) = ? [pid 9649] +++ exited with 0 +++ [pid 9650] <... futex resumed>) = ? [pid 9650] +++ exited with 0 +++ [pid 9648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9648, 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=0x55556cb53690) = 9651 ./strace-static-x86_64: Process 9651 attached [pid 9651] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9651] setpgid(0, 0) = 0 [pid 9651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9651] write(3, "1000", 4) = 4 [pid 9651] close(3) = 0 executing program [pid 9651] write(1, "executing program\n", 18) = 18 [pid 9651] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9651] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9651] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9652]}, 88) = 9652 ./strace-static-x86_64: Process 9652 attached [pid 9651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9651] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9651] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9652] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9652] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9652] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9651] <... futex resumed>) = 0 [pid 9651] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9651] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9651] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9653 attached [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9651] <... clone3 resumed> => {parent_tid=[9653]}, 88) = 9653 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9651] rt_sigprocmask(SIG_SETMASK, [], [pid 9652] <... sendmsg resumed>) = 0 [pid 9651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9651] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9651] <... futex resumed>) = 0 [pid 9652] <... sendmsg resumed>) = 0 [pid 9651] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9652] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9652] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9653] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9653] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9653] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9651] <... futex resumed>) = 0 [pid 9651] exit_group(0) = ? [pid 9652] <... futex resumed>) = ? [pid 9652] +++ exited with 0 +++ [pid 9653] +++ exited with 0 +++ [pid 9651] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9654 ./strace-static-x86_64: Process 9654 attached [pid 9654] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9654] setpgid(0, 0) = 0 [pid 9654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9654] write(3, "1000", 4) = 4 [pid 9654] close(3) = 0 [pid 9654] write(1, "executing program\n", 18executing program ) = 18 [pid 9654] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9654] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9654] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9655 attached => {parent_tid=[9655]}, 88) = 9655 [pid 9655] set_robust_list(0x7ff2a103f9a0, 24 [pid 9654] rt_sigprocmask(SIG_SETMASK, [], [pid 9655] <... set_robust_list resumed>) = 0 [pid 9654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9655] rt_sigprocmask(SIG_SETMASK, [], [pid 9654] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9654] <... futex resumed>) = 0 [pid 9655] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9654] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9655] <... socketpair resumed>[3, 4]) = 0 [pid 9655] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9654] <... futex resumed>) = 0 [pid 9655] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9654] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9654] <... futex resumed>) = 0 [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] <... sendmsg resumed>) = 0 [pid 9654] <... futex resumed>) = 0 [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9655] <... sendmsg resumed>) = 0 [pid 9654] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9655] <... sendmsg resumed>) = 0 [pid 9654] <... mprotect resumed>) = 0 [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9655] <... sendmsg resumed>) = 0 [pid 9654] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9655] <... sendmsg resumed>) = 0 ./strace-static-x86_64: Process 9656 attached [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9656] set_robust_list(0x7ff2a101e9a0, 24 [pid 9655] <... sendmsg resumed>) = 0 [pid 9656] <... set_robust_list resumed>) = 0 [pid 9654] <... clone3 resumed> => {parent_tid=[9656]}, 88) = 9656 [pid 9656] rt_sigprocmask(SIG_SETMASK, [], [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] rt_sigprocmask(SIG_SETMASK, [], [pid 9656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9655] <... sendmsg resumed>) = 0 [pid 9654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9656] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9655] <... sendmsg resumed>) = 0 [pid 9654] <... futex resumed>) = 0 [pid 9656] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9654] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9656] <... setsockopt resumed>) = 0 [pid 9655] <... sendmsg resumed>) = 0 [pid 9656] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9656] <... futex resumed>) = 1 [pid 9654] <... futex resumed>) = 0 [pid 9656] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9655] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9655] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9655] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9654] exit_group(0 [pid 9656] <... futex resumed>) = ? [pid 9655] <... futex resumed>) = ? [pid 9654] <... exit_group resumed>) = ? [pid 9655] +++ exited with 0 +++ [pid 9656] +++ exited with 0 +++ [pid 9654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9654, si_uid=0, si_status=0, 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 9657 attached , child_tidptr=0x55556cb53690) = 9657 [pid 9657] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9657] setpgid(0, 0) = 0 [pid 9657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9657] write(3, "1000", 4) = 4 [pid 9657] close(3) = 0 executing program [pid 9657] write(1, "executing program\n", 18) = 18 [pid 9657] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9657] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9657] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9657] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9658 attached => {parent_tid=[9658]}, 88) = 9658 [pid 9658] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9658] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9657] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9658] <... futex resumed>) = 0 [pid 9658] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9657] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9658] <... socketpair resumed>[3, 4]) = 0 [pid 9658] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9658] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9657] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9658] <... futex resumed>) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9657] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9658] <... sendmsg resumed>) = 0 [pid 9657] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9657] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9658] <... sendmsg resumed>) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9657] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9658] <... sendmsg resumed>) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9658] <... sendmsg resumed>) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9657] <... clone3 resumed> => {parent_tid=[9659]}, 88) = 9659 [pid 9657] rt_sigprocmask(SIG_SETMASK, [], [pid 9658] <... sendmsg resumed>) = 0 [pid 9657] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 9659 attached [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9657] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9657] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9658] <... sendmsg resumed>) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9658] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9658] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9659] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9659] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9659] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9659] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9657] <... futex resumed>) = 0 [pid 9657] exit_group(0) = ? [pid 9659] <... futex resumed>) = ? [pid 9658] <... futex resumed>) = ? [pid 9658] +++ exited with 0 +++ [pid 9659] +++ exited with 0 +++ [pid 9657] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9660 ./strace-static-x86_64: Process 9660 attached [pid 9660] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9660] setpgid(0, 0) = 0 [pid 9660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9660] write(3, "1000", 4) = 4 [pid 9660] close(3) = 0 [pid 9660] write(1, "executing program\n", 18executing program ) = 18 [pid 9660] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9660] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9660] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9661 attached => {parent_tid=[9661]}, 88) = 9661 [pid 9661] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9661] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9660] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9661] <... futex resumed>) = 0 [pid 9661] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9660] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9661] <... socketpair resumed>[3, 4]) = 0 [pid 9661] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9661] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9660] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9661] <... futex resumed>) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9660] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9661] <... sendmsg resumed>) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9660] <... futex resumed>) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9660] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9661] <... sendmsg resumed>) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9660] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9661] <... sendmsg resumed>) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9660] <... mprotect resumed>) = 0 [pid 9661] <... sendmsg resumed>) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9661] <... sendmsg resumed>) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9661] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9661] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9662 attached => {parent_tid=[9662]}, 88) = 9662 [pid 9662] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9662] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9660] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9662] <... futex resumed>) = 0 [pid 9662] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9662] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9662] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9660] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9660] exit_group(0 [pid 9661] <... futex resumed>) = ? [pid 9660] <... exit_group resumed>) = ? [pid 9661] +++ exited with 0 +++ [pid 9662] <... futex resumed>) = ? [pid 9662] +++ exited with 0 +++ [pid 9660] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9660, si_uid=0, si_status=0, 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 9663 attached , child_tidptr=0x55556cb53690) = 9663 [pid 9663] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9663] setpgid(0, 0) = 0 [pid 9663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9663] write(3, "1000", 4) = 4 [pid 9663] close(3) = 0 [pid 9663] write(1, "executing program\n", 18executing program ) = 18 [pid 9663] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9663] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9663] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9663] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9664 attached => {parent_tid=[9664]}, 88) = 9664 [pid 9664] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9664] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9663] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9664] <... futex resumed>) = 0 [pid 9663] <... futex resumed>) = 1 [pid 9664] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9663] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9664] <... socketpair resumed>[3, 4]) = 0 [pid 9664] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9664] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9663] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9664] <... futex resumed>) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9663] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9663] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9663] <... mprotect resumed>) = 0 [pid 9664] <... sendmsg resumed>) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9663] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9665 attached [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9665] set_robust_list(0x7ff2a101e9a0, 24 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9663] <... clone3 resumed> => {parent_tid=[9665]}, 88) = 9665 [pid 9663] rt_sigprocmask(SIG_SETMASK, [], [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9664] <... sendmsg resumed>) = 0 [pid 9663] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9663] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9664] <... sendmsg resumed>) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9665] <... set_robust_list resumed>) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9665] rt_sigprocmask(SIG_SETMASK, [], [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9665] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9664] <... sendmsg resumed>) = 0 [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9665] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9664] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9665] <... futex resumed>) = 1 [pid 9663] <... futex resumed>) = 0 [pid 9664] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9665] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9664] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9664] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9663] exit_group(0) = ? [pid 9665] <... futex resumed>) = ? [pid 9664] <... futex resumed>) = ? [pid 9665] +++ exited with 0 +++ [pid 9664] +++ exited with 0 +++ [pid 9663] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9666 ./strace-static-x86_64: Process 9666 attached [pid 9666] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9666] setpgid(0, 0) = 0 [pid 9666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9666] write(3, "1000", 4) = 4 [pid 9666] close(3) = 0 executing program [pid 9666] write(1, "executing program\n", 18) = 18 [pid 9666] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9666] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9666] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9667 attached => {parent_tid=[9667]}, 88) = 9667 [pid 9667] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9667] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9666] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9667] <... futex resumed>) = 0 [pid 9667] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9666] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9667] <... socketpair resumed>[3, 4]) = 0 [pid 9667] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9667] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9666] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9667] <... futex resumed>) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9666] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9666] <... futex resumed>) = 0 [pid 9667] <... sendmsg resumed>) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9666] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9667] <... sendmsg resumed>) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9666] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9666] <... mprotect resumed>) = 0 [pid 9667] <... sendmsg resumed>) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9667] <... sendmsg resumed>) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9667] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9667] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9668 attached [pid 9666] <... clone3 resumed> => {parent_tid=[9668]}, 88) = 9668 [pid 9668] set_robust_list(0x7ff2a101e9a0, 24 [pid 9666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9666] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9666] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9668] <... set_robust_list resumed>) = 0 [pid 9668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9668] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9668] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9666] <... futex resumed>) = 0 [pid 9666] exit_group(0) = ? [pid 9667] <... futex resumed>) = ? [pid 9667] +++ exited with 0 +++ [pid 9668] +++ exited with 0 +++ [pid 9666] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9669 ./strace-static-x86_64: Process 9669 attached [pid 9669] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9669] setpgid(0, 0) = 0 [pid 9669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9669] write(3, "1000", 4) = 4 [pid 9669] close(3executing program ) = 0 [pid 9669] write(1, "executing program\n", 18) = 18 [pid 9669] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9669] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9669] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9670 attached => {parent_tid=[9670]}, 88) = 9670 [pid 9670] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9670] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9669] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9670] <... futex resumed>) = 0 [pid 9670] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9670] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9670] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9669] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9669] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9670] <... futex resumed>) = 0 [pid 9669] <... futex resumed>) = 1 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9669] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9669] <... futex resumed>) = 0 [pid 9670] <... sendmsg resumed>) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9670] <... sendmsg resumed>) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9669] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9670] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9670] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9669] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9671 attached => {parent_tid=[9671]}, 88) = 9671 [pid 9671] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9671] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9669] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9671] <... futex resumed>) = 0 [pid 9669] <... futex resumed>) = 1 [pid 9671] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9671] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9671] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9669] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9669] exit_group(0 [pid 9670] <... futex resumed>) = ? [pid 9669] <... exit_group resumed>) = ? [pid 9670] +++ exited with 0 +++ [pid 9671] <... futex resumed>) = ? [pid 9671] +++ exited with 0 +++ [pid 9669] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9669, si_uid=0, si_status=0, 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 9672 attached [pid 9672] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9672] setpgid(0, 0 [pid 371] <... clone resumed>, child_tidptr=0x55556cb53690) = 9672 [pid 9672] <... setpgid resumed>) = 0 [pid 9672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9672] write(3, "1000", 4) = 4 [pid 9672] close(3) = 0 executing program [pid 9672] write(1, "executing program\n", 18) = 18 [pid 9672] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9672] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9672] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9673]}, 88) = 9673 [pid 9672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9672] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9672] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9673 attached [pid 9673] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9673] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9673] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9672] <... futex resumed>) = 0 [pid 9672] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9672] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9672] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9674 attached [pid 9673] <... futex resumed>) = 1 [pid 9672] <... clone3 resumed> => {parent_tid=[9674]}, 88) = 9674 [pid 9672] rt_sigprocmask(SIG_SETMASK, [], [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9672] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9673] <... sendmsg resumed>) = 0 [pid 9672] <... futex resumed>) = 0 [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9672] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9673] <... sendmsg resumed>) = 0 [pid 9674] set_robust_list(0x7ff2a101e9a0, 24 [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9674] <... set_robust_list resumed>) = 0 [pid 9673] <... sendmsg resumed>) = 0 [pid 9674] rt_sigprocmask(SIG_SETMASK, [], [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9673] <... sendmsg resumed>) = 0 [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9674] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9673] <... sendmsg resumed>) = 0 [pid 9674] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9674] <... futex resumed>) = 1 [pid 9673] <... sendmsg resumed>) = 0 [pid 9672] <... futex resumed>) = 0 [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9674] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9673] <... sendmsg resumed>) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9673] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9673] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9672] exit_group(0 [pid 9673] <... futex resumed>) = ? [pid 9672] <... exit_group resumed>) = ? [pid 9673] +++ exited with 0 +++ [pid 9674] <... futex resumed>) = ? [pid 9674] +++ exited with 0 +++ [pid 9672] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9672, 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=0x55556cb53690) = 9675 ./strace-static-x86_64: Process 9675 attached [pid 9675] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9675] setpgid(0, 0) = 0 [pid 9675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9675] write(3, "1000", 4) = 4 [pid 9675] close(3) = 0 [pid 9675] write(1, "executing program\n", 18executing program ) = 18 [pid 9675] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9675] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9675] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9676 attached [pid 9676] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9676] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9675] <... clone3 resumed> => {parent_tid=[9676]}, 88) = 9676 [pid 9675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9675] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9676] <... futex resumed>) = 0 [pid 9676] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9675] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9676] <... socketpair resumed>[3, 4]) = 0 [pid 9676] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9675] <... futex resumed>) = 0 [pid 9675] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9675] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9675] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9675] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} => {parent_tid=[9677]}, 88) = 9677 [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9675] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9675] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9677 attached [pid 9677] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9677] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9677] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9675] <... futex resumed>) = 0 [pid 9677] <... futex resumed>) = 1 [pid 9677] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9676] <... sendmsg resumed>) = 0 [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9676] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9676] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9675] exit_group(0 [pid 9676] <... futex resumed>) = ? [pid 9677] <... futex resumed>) = ? [pid 9675] <... exit_group resumed>) = ? [pid 9676] +++ exited with 0 +++ [pid 9677] +++ exited with 0 +++ [pid 9675] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9675, 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=0x55556cb53690) = 9678 ./strace-static-x86_64: Process 9678 attached [pid 9678] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9678] setpgid(0, 0) = 0 [pid 9678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9678] write(3, "1000", 4) = 4 [pid 9678] close(3) = 0 [pid 9678] write(1, "executing program\n", 18) = 18 [pid 9678] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9678] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9678] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9679 attached => {parent_tid=[9679]}, 88) = 9679 [pid 9679] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9679] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9678] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9679] <... futex resumed>) = 0 [pid 9679] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9678] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9679] <... socketpair resumed>[3, 4]) = 0 [pid 9679] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9678] <... futex resumed>) = 0 [pid 9678] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9678] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9678] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9678] <... clone3 resumed> => {parent_tid=[9680]}, 88) = 9680 [pid 9678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9678] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9678] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9680 attached [pid 9680] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9680] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9680] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9678] <... futex resumed>) = 0 [pid 9679] <... sendmsg resumed>) = 0 [pid 9680] <... futex resumed>) = 1 [pid 9680] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9679] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9679] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9678] exit_group(0 [pid 9679] <... futex resumed>) = ? [pid 9678] <... exit_group resumed>) = ? [pid 9679] +++ exited with 0 +++ [pid 9680] <... futex resumed>) = ? [pid 9680] +++ exited with 0 +++ [pid 9678] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9681 ./strace-static-x86_64: Process 9681 attached [pid 9681] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9681] setpgid(0, 0) = 0 [pid 9681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9681] write(3, "1000", 4) = 4 executing program [pid 9681] close(3) = 0 [pid 9681] write(1, "executing program\n", 18) = 18 [pid 9681] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9681] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9681] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9682]}, 88) = 9682 [pid 9681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9681] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9681] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9682 attached [pid 9682] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9682] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9682] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9681] <... futex resumed>) = 0 [pid 9681] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9681] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9681] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9681] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9681] <... clone3 resumed> => {parent_tid=[9683]}, 88) = 9683 [pid 9682] <... sendmsg resumed>) = 0 [pid 9681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9681] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9681] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9683 attached [pid 9683] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9683] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9683] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9681] <... futex resumed>) = 0 [pid 9683] <... futex resumed>) = 1 [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9683] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9682] <... sendmsg resumed>) = 0 [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = -1 EPIPE (Broken pipe) [pid 9682] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9682] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9681] exit_group(0 [pid 9682] <... futex resumed>) = ? [pid 9683] <... futex resumed>) = ? [pid 9681] <... exit_group resumed>) = ? [pid 9682] +++ exited with 0 +++ [pid 9683] +++ exited with 0 +++ [pid 9681] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9684 ./strace-static-x86_64: Process 9684 attached [pid 9684] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9684] setpgid(0, 0) = 0 [pid 9684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9684] write(3, "1000", 4) = 4 [pid 9684] close(3executing program ) = 0 [pid 9684] write(1, "executing program\n", 18) = 18 [pid 9684] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9684] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9684] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9685 attached => {parent_tid=[9685]}, 88) = 9685 [pid 9685] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9685] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9684] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9685] <... futex resumed>) = 0 [pid 9685] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9684] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9685] <... socketpair resumed>[3, 4]) = 0 [pid 9685] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9685] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9684] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9685] <... futex resumed>) = 0 [pid 9684] <... futex resumed>) = 1 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9684] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9684] <... futex resumed>) = 0 [pid 9684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9685] <... sendmsg resumed>) = 0 [pid 9684] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9684] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9685] <... sendmsg resumed>) = 0 [pid 9684] <... mprotect resumed>) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9685] <... sendmsg resumed>) = 0 [pid 9684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9684] <... clone3 resumed> => {parent_tid=[9686]}, 88) = 9686 [pid 9685] <... sendmsg resumed>) = 0 [pid 9684] rt_sigprocmask(SIG_SETMASK, [], [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9684] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9685] <... sendmsg resumed>) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9684] <... futex resumed>) = 0 [pid 9685] <... sendmsg resumed>) = 0 [pid 9684] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] 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 9686 attached ) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9685] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9685] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9686] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9686] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9686] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9686] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9684] <... futex resumed>) = 0 [pid 9684] exit_group(0) = ? [pid 9686] <... futex resumed>) = 231 [pid 9685] <... futex resumed>) = ? [pid 9686] +++ exited with 0 +++ [pid 9685] +++ exited with 0 +++ [pid 9684] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9684, si_uid=0, si_status=0, 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 9687 attached , child_tidptr=0x55556cb53690) = 9687 [pid 9687] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9687] setpgid(0, 0) = 0 [pid 9687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9687] write(3, "1000", 4) = 4 [pid 9687] close(3) = 0 [pid 9687] write(1, "executing program\n", 18executing program ) = 18 [pid 9687] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9687] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9687] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9688 attached => {parent_tid=[9688]}, 88) = 9688 [pid 9688] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9688] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9687] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9688] <... futex resumed>) = 0 [pid 9687] <... futex resumed>) = 1 [pid 9688] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9687] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9688] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9688] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9687] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9688] <... futex resumed>) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9687] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9687] <... futex resumed>) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9688] <... sendmsg resumed>) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9687] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9688] <... sendmsg resumed>) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9687] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9688] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9688] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9687] <... mprotect resumed>) = 0 [pid 9687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9690 attached [pid 9690] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9690] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9687] <... clone3 resumed> => {parent_tid=[9690]}, 88) = 9690 [pid 9687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9687] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9690] <... futex resumed>) = 0 [pid 9690] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9690] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9690] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9687] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9687] exit_group(0 [pid 9688] <... futex resumed>) = ? [pid 9687] <... exit_group resumed>) = ? [pid 9688] +++ exited with 0 +++ [pid 9690] <... futex resumed>) = ? [pid 9690] +++ exited with 0 +++ [pid 9687] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9691 ./strace-static-x86_64: Process 9691 attached [pid 9691] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9691] setpgid(0, 0) = 0 [pid 9691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9691] write(3, "1000", 4) = 4 [pid 9691] close(3) = 0 [pid 9691] write(1, "executing program\n", 18executing program ) = 18 [pid 9691] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9691] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9691] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9691] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9692 attached => {parent_tid=[9692]}, 88) = 9692 [pid 9692] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9692] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9691] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9692] <... futex resumed>) = 0 [pid 9692] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9692] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9692] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9691] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 9691] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9692] <... futex resumed>) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9691] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9692] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9692] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9691] <... futex resumed>) = 0 [pid 9691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9691] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9691] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9693 attached => {parent_tid=[9693]}, 88) = 9693 [pid 9693] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9693] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9691] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9693] <... futex resumed>) = 0 [pid 9693] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9691] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9693] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9693] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9691] exit_group(0 [pid 9692] <... futex resumed>) = ? [pid 9691] <... exit_group resumed>) = ? [pid 9692] +++ exited with 0 +++ [pid 9693] <... futex resumed>) = ? [pid 9693] +++ exited with 0 +++ [pid 9691] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9691, si_uid=0, si_status=0, 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 9694 attached , child_tidptr=0x55556cb53690) = 9694 [pid 9694] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9694] setpgid(0, 0) = 0 [pid 9694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9694] write(3, "1000", 4) = 4 [pid 9694] close(3executing program ) = 0 [pid 9694] write(1, "executing program\n", 18) = 18 [pid 9694] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9694] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9694] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9694] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9695 attached => {parent_tid=[9695]}, 88) = 9695 [pid 9695] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9695] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9694] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9695] <... futex resumed>) = 0 [pid 9695] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 9694] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9695] <... socketpair resumed>[3, 4]) = 0 [pid 9695] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9695] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9694] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9695] <... futex resumed>) = 0 [pid 9694] <... futex resumed>) = 1 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9694] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9694] <... futex resumed>) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9694] <... mmap resumed>) = 0x7ff2a0ffe000 [pid 9695] <... sendmsg resumed>) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9694] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9694] <... mprotect resumed>) = 0 [pid 9695] <... sendmsg resumed>) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 9695] <... sendmsg resumed>) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 9695] <... sendmsg resumed>) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9695] 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 9696 attached ) = 0 [pid 9695] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9695] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9696] set_robust_list(0x7ff2a101e9a0, 24 [pid 9694] <... clone3 resumed> => {parent_tid=[9696]}, 88) = 9696 [pid 9696] <... set_robust_list resumed>) = 0 [pid 9696] rt_sigprocmask(SIG_SETMASK, [], [pid 9694] rt_sigprocmask(SIG_SETMASK, [], [pid 9696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9696] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9694] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000 [pid 9696] <... setsockopt resumed>) = 0 [pid 9694] <... futex resumed>) = 0 [pid 9696] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9694] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9696] <... futex resumed>) = 0 [pid 9694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 9696] futex(0x7ff2a1108338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 9694] exit_group(0 [pid 9696] <... futex resumed>) = ? [pid 9694] <... exit_group resumed>) = ? [pid 9695] <... futex resumed>) = ? [pid 9695] +++ exited with 0 +++ [pid 9696] +++ exited with 0 +++ [pid 9694] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cb53690) = 9697 ./strace-static-x86_64: Process 9697 attached [pid 9697] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9697] setpgid(0, 0) = 0 [pid 9697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9697] write(3, "1000", 4) = 4 [pid 9697] close(3) = 0 [pid 9697] write(1, "executing program\n", 18executing program ) = 18 [pid 9697] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9697] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9697] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9697] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0}./strace-static-x86_64: Process 9698 attached => {parent_tid=[9698]}, 88) = 9698 [pid 9697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9697] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000 [pid 9698] set_robust_list(0x7ff2a103f9a0, 24 [pid 9697] <... futex resumed>) = 0 [pid 9697] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9698] <... set_robust_list resumed>) = 0 [pid 9698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9698] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9698] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 9697] <... futex resumed>) = 0 [pid 9697] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9697] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9697] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9697] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0} [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9697] <... clone3 resumed> => {parent_tid=[9699]}, 88) = 9699 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9697] rt_sigprocmask(SIG_SETMASK, [], [pid 9698] <... sendmsg resumed>) = 0 [pid 9697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9697] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9697] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9698] <... sendmsg resumed>) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9698] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9698] futex(0x7ff2a1108328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 9699 attached [pid 9699] set_robust_list(0x7ff2a101e9a0, 24) = 0 [pid 9699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9699] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 9699] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9697] <... futex resumed>) = 0 [pid 9697] exit_group(0 [pid 9698] <... futex resumed>) = ? [pid 9697] <... exit_group resumed>) = ? [pid 9698] +++ exited with 0 +++ [pid 9699] <... futex resumed>) = ? [pid 9699] +++ exited with 0 +++ [pid 9697] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9697, 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=0x55556cb53690) = 9700 ./strace-static-x86_64: Process 9700 attached [pid 9700] set_robust_list(0x55556cb536a0, 24) = 0 [pid 9700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 9700] setpgid(0, 0) = 0 [pid 9700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 9700] write(3, "1000", 4) = 4 [pid 9700] close(3executing program ) = 0 [pid 9700] write(1, "executing program\n", 18) = 18 [pid 9700] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9700] rt_sigaction(SIGRT_1, {sa_handler=0x7ff2a10a4320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff2a10959a0}, NULL, 8) = 0 [pid 9700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 9700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a101f000 [pid 9700] mprotect(0x7ff2a1020000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9700] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a103f990, parent_tid=0x7ff2a103f990, exit_signal=0, stack=0x7ff2a101f000, stack_size=0x20300, tls=0x7ff2a103f6c0} => {parent_tid=[9701]}, 88) = 9701 [pid 9700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9700] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9700] futex(0x7ff2a110832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 9701 attached [pid 9701] set_robust_list(0x7ff2a103f9a0, 24) = 0 [pid 9701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9701] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 9701] futex(0x7ff2a110832c, FUTEX_WAKE_PRIVATE, 1000000 [pid 9700] <... futex resumed>) = 0 [pid 9700] futex(0x7ff2a1108328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9700] futex(0x7ff2a110833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2a0ffe000 [pid 9700] mprotect(0x7ff2a0fff000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 9700] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 9700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2a101e990, parent_tid=0x7ff2a101e990, exit_signal=0, stack=0x7ff2a0ffe000, stack_size=0x20300, tls=0x7ff2a101e6c0}./strace-static-x86_64: Process 9702 attached => {parent_tid=[9702]}, 88) = 9702 [pid 9702] set_robust_list(0x7ff2a101e9a0, 24 [pid 9700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 9700] futex(0x7ff2a1108338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 9700] futex(0x7ff2a110833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 9701] <... futex resumed>) = 1 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9702] <... set_robust_list resumed>) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9702] rt_sigprocmask(SIG_SETMASK, [], [pid 9701] <... sendmsg resumed>) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 9701] <... sendmsg resumed>) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0 [pid 9702] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 9701] <... sendmsg resumed>) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 1 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [pid 9701] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, 0) = 0 [ 272.247524][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 272.254093][ C1] rcu: 1-...!: (1 GPs behind) idle=002/1/0x4000000000000000 softirq=9687/9688 fqs=0 last_accelerate: cdcb/f4dc dyntick_enabled: 1 [ 272.267332][ C1] (t=10000 jiffies g=20201 q=41) [ 272.272185][ C1] rcu: rcu_preempt kthread starved for 10000 jiffies! g20201 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 272.283376][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 272.293182][ C1] rcu: RCU grace-period kthread stack dump: [ 272.298911][ C1] task:rcu_preempt state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 272.307941][ C1] Call Trace: [ 272.311173][ C1] __schedule+0xbe6/0x1330 [ 272.315324][ C1] ? release_firmware_map_entry+0x18d/0x18d [ 272.321078][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 272.326367][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 272.331028][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 272.335977][ C1] schedule+0x13d/0x1d0 [ 272.339970][ C1] schedule_timeout+0x18c/0x360 [ 272.344712][ C1] ? prepare_to_swait_event+0x39f/0x3e0 [ 272.350038][ C1] ? console_conditional_schedule+0x10/0x10 [ 272.355788][ C1] ? run_local_timers+0x160/0x160 [ 272.360659][ C1] ? __note_gp_changes+0x2d8/0x6f0 [ 272.365579][ C1] rcu_gp_kthread+0xefc/0x23a0 [ 272.370178][ C1] ? dump_blkd_tasks+0x7e0/0x7e0 [ 272.374949][ C1] ? rcu_barrier_callback+0x50/0x50 [ 272.379984][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 272.384708][ C1] ? __kasan_check_read+0x11/0x20 [ 272.389563][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 272.394327][ C1] kthread+0x34b/0x3d0 [ 272.398253][ C1] ? rcu_barrier_callback+0x50/0x50 [ 272.403265][ C1] ? kthread_blkcg+0xd0/0xd0 [ 272.407825][ C1] ret_from_fork+0x1f/0x30 [ 272.412080][ C1] NMI backtrace for cpu 1 [ 272.416190][ C1] CPU: 1 PID: 9701 Comm: syz-executor790 Not tainted 5.10.233-syzkaller-00881-gfbe98d68b6b3 #0 [ 272.426330][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 272.436309][ C1] Call Trace: [ 272.439430][ C1] [ 272.442200][ C1] dump_stack_lvl+0x1e2/0x24b [ 272.446643][ C1] ? panic+0x812/0x812 [ 272.450547][ C1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 272.455848][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 272.461221][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 272.465927][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 272.471823][ C1] dump_stack+0x15/0x17 [ 272.475850][ C1] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 272.481618][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 272.487520][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 272.493250][ C1] rcu_dump_cpu_stacks+0x199/0x2b0 [ 272.498198][ C1] rcu_sched_clock_irq+0xf8a/0x1890 [ 272.503231][ C1] ? rcutree_dead_cpu+0x340/0x340 [ 272.508092][ C1] ? hrtimer_run_queues+0x15f/0x440 [ 272.513126][ C1] update_process_times+0x198/0x200 [ 272.518197][ C1] tick_sched_timer+0x188/0x240 [ 272.522867][ C1] ? tick_setup_sched_timer+0x480/0x480 [ 272.528227][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 272.533262][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 272.538207][ C1] ? clockevents_program_event+0x214/0x2c0 [ 272.543855][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 272.549750][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 272.554531][ C1] __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 272.560341][ C1] asm_call_irq_on_stack+0xf/0x20 [ 272.565191][ C1] [ 272.567982][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 272.573446][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 272.579299][ C1] RIP: 0010:kvm_wait+0xfc/0x150 [ 272.583955][ C1] Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d a5 53 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04 [ 272.603547][ C1] RSP: 0018:ffffc900013f7680 EFLAGS: 00000246 [ 272.609440][ C1] RAX: 0000000000000003 RBX: 1ffff9200027eed4 RCX: ffffffff8150ca44 [ 272.617249][ C1] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc900013f76c0 [ 272.625057][ C1] RBP: ffffc900013f7730 R08: dffffc0000000000 R09: ffffed102391b652 [ 272.632869][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 272.640683][ C1] R13: ffff88811c8db288 R14: 0000000000000003 R15: 0000000000000246 [ 272.648505][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 272.654575][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 272.660560][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 272.665514][ C1] ? __pv_queued_spin_lock_slowpath+0x6d4/0xc70 [ 272.671587][ C1] __pv_queued_spin_lock_slowpath+0x72f/0xc70 [ 272.677505][ C1] ? __pv_queued_spin_unlock_slowpath+0x280/0x280 [ 272.683736][ C1] ? yield_to_task_fair+0x150/0x150 [ 272.688942][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 272.693715][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 272.698839][ C1] ? selinux_socket_sendmsg+0x243/0x340 [ 272.704233][ C1] lock_sock_nested+0x92/0x300 [ 272.708823][ C1] ? sock_init_data+0xc0/0xc0 [ 272.713378][ C1] tipc_sendstream+0x47/0x70 [ 272.717759][ C1] ? tipc_getsockopt+0x790/0x790 [ 272.722574][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 272.727133][ C1] ? __sys_sendmsg_sock+0x40/0x40 [ 272.732036][ C1] ? import_iovec+0xe5/0x120 [ 272.736420][ C1] ___sys_sendmsg+0x252/0x2e0 [ 272.740933][ C1] ? __sys_sendmsg+0x280/0x280 [ 272.745568][ C1] ? finish_task_switch+0x130/0x5a0 [ 272.750643][ C1] ? __schedule+0xbee/0x1330 [ 272.755008][ C1] ? __kasan_check_write+0x14/0x20 [ 272.759946][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 272.764913][ C1] ? __fdget+0x1bc/0x240 [ 272.768969][ C1] __se_sys_sendmsg+0x1b1/0x280 [ 272.773652][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 272.778692][ C1] ? __x64_sys_sendmsg+0x90/0x90 [ 272.783516][ C1] ? fpu__clear_all+0x20/0x20 [ 272.787975][ C1] __x64_sys_sendmsg+0x7b/0x90 [ 272.792576][ C1] do_syscall_64+0x34/0x70 [ 272.796826][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 272.802553][ C1] RIP: 0033:0x7ff2a107e3e9 [ 272.806867][ 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 [ 272.826250][ C1] RSP: 002b:00007ff2a103f228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 272.834496][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff2a107e3e9 [ 272.842320][ C1] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 272.850112][ C1] RBP: 00007ff2a1108328 R08: 0000000000000000 R09: 0000000000000000 [ 272.857926][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2a1108320 [ 272.865736][ C1] R13: 00007ff2a110832c R14: 00007ffc7030ab20 R15: 00007ffc7030ac08 [ 308.921845][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor790:9702] [ 308.930336][ C0] Modules linked in: [ 308.934080][ C0] CPU: 0 PID: 9702 Comm: syz-executor790 Not tainted 5.10.233-syzkaller-00881-gfbe98d68b6b3 #0 [ 308.944227][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 308.954191][ C0] RIP: 0010:tipc_sk_lookup+0x1/0x650 [ 308.959246][ C0] Code: e1 07 80 c1 03 38 c1 0f 8c dd e3 ff ff 48 8b 7c 24 20 e8 42 31 0e fd 48 8b 54 24 20 e9 c9 e3 ff ff e8 13 b7 13 00 0f 1f 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00 00 [ 308.979062][ C0] RSP: 0018:ffffc900014e68f0 EFLAGS: 00000202 [ 308.984957][ C0] RAX: 0000000000000201 RBX: ffff88810feb48c4 RCX: 0000000000000202 [ 308.992772][ C0] RDX: 0000000000000000 RSI: 0000000073392973 RDI: ffffffff86ccefc0 [ 309.000583][ C0] RBP: ffffc900014e6b90 R08: ffffffff849a10f5 R09: 0000000000000003 [ 309.008401][ C0] R10: fffff5200029cd10 R11: dffffc0000000001 R12: dffffc0000000000 [ 309.016204][ C0] R13: ffffc900014e6d80 R14: 0000000073392973 R15: ffffc900014e6d80 [ 309.024022][ C0] FS: 00007ff2a101e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 309.032871][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 309.039307][ C0] CR2: 0000000020000000 CR3: 0000000112a04000 CR4: 00000000003506b0 [ 309.047105][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 309.054914][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 309.062723][ C0] Call Trace: [ 309.065860][ C0] [ 309.068608][ C0] ? show_regs+0x58/0x60 [ 309.072642][ C0] ? watchdog_timer_fn+0x471/0x590 [ 309.077575][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 309.082692][ C0] ? __hrtimer_run_queues+0x3d7/0xa50 [ 309.087906][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 309.092847][ C0] ? clockevents_program_event+0x214/0x2c0 [ 309.098490][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 309.104390][ C0] ? hrtimer_interrupt+0x39a/0x8b0 [ 309.109342][ C0] ? __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 309.115241][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 309.120269][ C0] [ 309.123052][ C0] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 309.128698][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 309.134682][ C0] ? tipc_sk_rcv+0x305/0x1e30 [ 309.139198][ C0] ? tipc_sk_lookup+0x1/0x650 [ 309.143708][ C0] ? tipc_sk_rcv+0x499/0x1e30 [ 309.148222][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 309.153952][ C0] ? __stack_depot_save+0x468/0x4d0 [ 309.159011][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 309.163676][ C0] ? kasan_set_free_info+0x23/0x40 [ 309.168619][ C0] ? ____kasan_slab_free+0x121/0x160 [ 309.173744][ C0] ? __kasan_slab_free+0x11/0x20 [ 309.178609][ C0] ? slab_free_freelist_hook+0xc0/0x190 [ 309.183980][ C0] ? kfree_skbmem+0x104/0x170 [ 309.188504][ C0] ? kfree_skb+0xc1/0x320 [ 309.192659][ C0] ? tipc_sk_rcv+0x8a1/0x1e30 [ 309.197173][ C0] ? tipc_node_xmit+0x34b/0xe30 [ 309.201884][ C0] ? __skb_queue_purge+0x180/0x180 [ 309.206810][ C0] tipc_node_xmit+0x34b/0xe30 [ 309.211320][ C0] ? ____kasan_slab_free+0x12c/0x160 [ 309.216455][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 309.221826][ C0] ? __kasan_slab_free+0x11/0x20 [ 309.226593][ C0] ? slab_free_freelist_hook+0xc0/0x190 [ 309.231985][ C0] tipc_node_distr_xmit+0x36a/0x4d0 [ 309.237013][ C0] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 309.242046][ C0] ? trace_tipc_sk_rej_msg+0x2b/0x6f0 [ 309.247254][ C0] tipc_sk_rcv+0x177d/0x1e30 [ 309.251685][ C0] ? __skb_queue_purge+0x180/0x180 [ 309.256743][ C0] tipc_node_xmit+0x34b/0xe30 [ 309.261228][ C0] ? stack_trace_save+0x1c0/0x1c0 [ 309.266088][ C0] ? __kernel_text_address+0x9b/0x110 [ 309.271592][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 309.277023][ C0] ? arch_stack_walk+0xf3/0x140 [ 309.281720][ C0] tipc_sk_filter_rcv+0x1da8/0x3e00 [ 309.286753][ C0] ? tipc_sk_dump+0xf50/0xf50 [ 309.291262][ C0] ? __kasan_check_write+0x14/0x20 [ 309.296202][ C0] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 309.301068][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 309.305756][ C0] tipc_sk_rcv+0x8a1/0x1e30 [ 309.310102][ C0] ? __skb_queue_purge+0x180/0x180 [ 309.315038][ C0] ? tipc_sk_filter_rcv+0x3583/0x3e00 [ 309.320254][ C0] tipc_node_xmit+0x34b/0xe30 [ 309.324775][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 309.330150][ C0] tipc_node_distr_xmit+0x36a/0x4d0 [ 309.335177][ C0] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 309.340298][ C0] tipc_sk_backlog_rcv+0x18b/0x210 [ 309.345243][ C0] ? tipc_sk_timeout+0xab0/0xab0 [ 309.350079][ C0] ? __local_bh_enable_ip+0x53/0x80 [ 309.355055][ C0] ? lock_sock_nested+0x26a/0x300 [ 309.359912][ C0] __release_sock+0x148/0x410 [ 309.364427][ C0] sock_setsockopt+0x1e3b/0x2e00 [ 309.369204][ C0] ? __sock_set_mark+0x160/0x160 [ 309.374086][ C0] ? selinux_socket_getsockopt+0x340/0x340 [ 309.379785][ C0] ? security_socket_setsockopt+0x82/0xb0 [ 309.385296][ C0] __sys_setsockopt+0x441/0x870 [ 309.389996][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 309.395366][ C0] ? __ia32_sys_recv+0xb0/0xb0 [ 309.399955][ C0] ? fpu__clear_all+0x20/0x20 [ 309.404475][ C0] __x64_sys_setsockopt+0xbf/0xd0 [ 309.409447][ C0] do_syscall_64+0x34/0x70 [ 309.413684][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 309.419507][ C0] RIP: 0033:0x7ff2a107e3e9 [ 309.423765][ 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 [ 309.443193][ C0] RSP: 002b:00007ff2a101e228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 309.451437][ C0] RAX: ffffffffffffffda RBX: 00007ff2a101e6c0 RCX: 00007ff2a107e3e9 [ 309.459281][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 309.467068][ C0] RBP: 00007ff2a1108338 R08: 0000000000000004 R09: 0000000000000000 [ 309.474897][ C0] R10: 0000000020000540 R11: 0000000000000246 R12: 00007ff2a1108330 [ 309.482681][ C0] R13: 00007ff2a110833c R14: 00007ffc7030ab20 R15: 00007ffc7030ac08