./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2735506505 <...> Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts. execve("./syz-executor2735506505", ["./syz-executor2735506505"], 0x7ffde709b430 /* 10 vars */) = 0 brk(NULL) = 0x555557616000 brk(0x555557616d40) = 0x555557616d40 arch_prctl(ARCH_SET_FS, 0x5555576163c0) = 0 set_tid_address(0x555557616690) = 5818 set_robust_list(0x5555576166a0, 24) = 0 rseq(0x555557616ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2735506505", 4096) = 28 getrandom("\xc1\xc5\xbb\x64\xa1\x34\xc5\x0e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557616d40 brk(0x555557637d40) = 0x555557637d40 brk(0x555557638000) = 0x555557638000 mprotect(0x7f4033efb000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5819 attached , child_tidptr=0x555557616690) = 5819 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] set_robust_list(0x5555576166a0, 24./strace-static-x86_64: Process 5820 attached ) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x555557616690) = 5820 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] set_robust_list(0x5555576166a0, 24 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5822 attached ./strace-static-x86_64: Process 5821 attached [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] <... clone resumed>, child_tidptr=0x555557616690) = 5821 [pid 5821] set_robust_list(0x5555576166a0, 24 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] set_robust_list(0x5555576166a0, 24 [pid 5821] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5824 attached ./strace-static-x86_64: Process 5823 attached [pid 5822] <... set_robust_list resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] <... clone resumed>, child_tidptr=0x555557616690) = 5824 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] set_robust_list(0x5555576166a0, 24 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5822 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5825 attached [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... prctl resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5823 [pid 5825] set_robust_list(0x5555576166a0, 24 [pid 5823] <... prctl resumed>) = 0 [pid 5822] setpgid(0, 0 [pid 5824] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5825 [pid 5818] <... clone resumed>, child_tidptr=0x555557616690) = 5826 [pid 5824] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5826 attached [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] setpgid(0, 0 [pid 5822] <... setpgid resumed>) = 0 [pid 5826] set_robust_list(0x5555576166a0, 24 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5823] <... setpgid resumed>) = 0 [pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5827 attached [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] <... prctl resumed>) = 0 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] setpgid(0, 0 [pid 5827] set_robust_list(0x5555576166a0, 24) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5827 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] <... setpgid resumed>) = 0 [pid 5823] <... openat resumed>) = 3 [pid 5822] <... openat resumed>) = 3 [pid 5827] <... prctl resumed>) = 0 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] write(3, "1000", 4./strace-static-x86_64: Process 5828 attached [pid 5827] setpgid(0, 0 [pid 5823] <... write resumed>) = 4 [pid 5828] set_robust_list(0x5555576166a0, 24 [pid 5825] <... openat resumed>) = 3 [pid 5823] close(3 [pid 5822] write(3, "1000", 4 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5828 [pid 5825] write(3, "1000", 4 [pid 5822] <... write resumed>) = 4 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] <... setpgid resumed>) = 0 executing program [pid 5825] <... write resumed>) = 4 [pid 5823] <... close resumed>) = 0 [pid 5822] close(3 [pid 5828] <... prctl resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] close(3 [pid 5823] write(1, "executing program\n", 18 [pid 5828] setpgid(0, 0 [pid 5825] <... close resumed>) = 0 [pid 5822] <... close resumed>) = 0 [pid 5828] <... setpgid resumed>) = 0 [pid 5825] write(1, "executing program\n", 18 [pid 5822] write(1, "executing program\n", 18 [pid 5825] <... write resumed>) = 18 executing program executing program [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] <... openat resumed>) = 3 [pid 5825] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... write resumed>) = 18 [pid 5822] <... write resumed>) = 18 [pid 5828] <... openat resumed>) = 3 [pid 5827] write(3, "1000", 4 [pid 5825] <... futex resumed>) = 0 [pid 5823] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] write(3, "1000", 4 [pid 5827] <... write resumed>) = 4 [pid 5825] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5823] <... futex resumed>) = 0 [pid 5822] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... write resumed>) = 4 [pid 5827] close(3 [pid 5825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5823] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5822] <... futex resumed>) = 0 [pid 5828] close(3 [pid 5827] <... close resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5823] <... rt_sigaction resumed>NULL, 8) = 0 [ 55.161663][ T29] audit: type=1400 audit(1733376218.909:88): avc: denied { execmem } for pid=5818 comm="syz-executor273" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5828] <... close resumed>) = 0 executing program [pid 5827] write(1, "executing program\n", 18 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5822] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5828] write(1, "executing program\n", 18 [pid 5827] <... write resumed>) = 18 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5828] <... write resumed>) = 18 [pid 5825] <... mmap resumed>) = 0x7f4033e12000 [pid 5822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5828] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5828] <... futex resumed>) = 0 [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5827] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... mprotect resumed>) = 0 [pid 5823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5827] <... futex resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5823] <... mmap resumed>) = 0x7f4033e12000 [pid 5822] <... mmap resumed>) = 0x7f4033e12000 [pid 5828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5823] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5822] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5823] <... mprotect resumed>) = 0 [pid 5822] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5829 attached [pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5828] <... mmap resumed>) = 0x7f4033e12000 [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... clone3 resumed> => {parent_tid=[5829]}, 88) = 5829 [pid 5823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5822] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... rseq resumed>) = 0 [pid 5828] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5822] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] set_robust_list(0x7f4033e329a0, 24 [pid 5828] <... mprotect resumed>) = 0 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5830 attached ./strace-static-x86_64: Process 5831 attached [pid 5829] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] <... mmap resumed>) = 0x7f4033e12000 [pid 5825] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5830] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5825] <... futex resumed>) = 0 [pid 5823] <... clone3 resumed> => {parent_tid=[5831]}, 88) = 5831 [pid 5822] <... clone3 resumed> => {parent_tid=[5830]}, 88) = 5830 [pid 5831] <... rseq resumed>) = 0 [pid 5830] <... rseq resumed>) = 0 [pid 5829] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5827] <... mprotect resumed>) = 0 [pid 5825] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] set_robust_list(0x7f4033e329a0, 24 [pid 5830] set_robust_list(0x7f4033e329a0, 24 [pid 5827] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5823] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5823] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5832 attached [pid 5823] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5827] <... clone3 resumed> => {parent_tid=[5832]}, 88) = 5832 [pid 5832] <... rseq resumed>) = 0 [pid 5827] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5833 attached [pid 5832] set_robust_list(0x7f4033e329a0, 24 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] <... clone3 resumed> => {parent_tid=[5833]}, 88) = 5833 [pid 5822] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... futex resumed>) = 0 [pid 5831] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5830] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5827] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... rseq resumed>) = 0 [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] <... futex resumed>) = 0 [pid 5833] set_robust_list(0x7f4033e329a0, 24 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5828] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] <... futex resumed>) = 0 [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5828] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5827] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5828] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5822] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] <... unshare resumed>) = 0 [pid 5832] <... unshare resumed>) = 0 [pid 5829] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... unshare resumed>) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5825] exit_group(0 [pid 5832] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... exit_group resumed>) = ? [pid 5823] exit_group(0 [pid 5822] exit_group(0 [pid 5832] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = ? [pid 5830] <... futex resumed>) = ? [pid 5829] +++ exited with 0 +++ [pid 5823] <... exit_group resumed>) = ? [pid 5822] <... exit_group resumed>) = ? [pid 5832] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5827] exit_group(0 [pid 5825] +++ exited with 0 +++ [pid 5822] +++ exited with 0 +++ [pid 5827] <... exit_group resumed>) = ? [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5822, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] <... futex resumed>) = ? [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5832] +++ exited with 0 +++ [pid 5827] +++ exited with 0 +++ [pid 5823] +++ exited with 0 +++ [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5823, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... unshare resumed>) = 0 [pid 5833] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... restart_syscall resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached [pid 5842] set_robust_list(0x5555576166a0, 24./strace-static-x86_64: Process 5844 attached ./strace-static-x86_64: Process 5843 attached [pid 5833] <... futex resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5842 [pid 5833] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5844 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5843 [pid 5844] set_robust_list(0x5555576166a0, 24 [pid 5843] set_robust_list(0x5555576166a0, 24 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5828] exit_group(0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... futex resumed>) = ? [pid 5828] <... exit_group resumed>) = ? [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... prctl resumed>) = 0 [pid 5833] +++ exited with 0 +++ [pid 5828] +++ exited with 0 +++ [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached [pid 5844] <... prctl resumed>) = 0 [pid 5843] <... prctl resumed>) = 0 [pid 5842] setpgid(0, 0 [pid 5844] setpgid(0, 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5843] setpgid(0, 0 [pid 5845] set_robust_list(0x5555576166a0, 24 [pid 5844] <... setpgid resumed>) = 0 [pid 5843] <... setpgid resumed>) = 0 [pid 5842] <... setpgid resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5845 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5846 attached [pid 5846] set_robust_list(0x5555576166a0, 24) = 0 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5846 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] write(3, "1000", 4 [pid 5843] write(3, "1000", 4 [pid 5842] write(3, "1000", 4 [pid 5846] <... prctl resumed>) = 0 [pid 5845] <... prctl resumed>) = 0 [pid 5844] <... write resumed>) = 4 [pid 5843] <... write resumed>) = 4 [pid 5842] <... write resumed>) = 4 [pid 5846] setpgid(0, 0 [pid 5844] close(3 [pid 5843] close(3 [pid 5842] close(3 [pid 5846] <... setpgid resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] setpgid(0, 0 [pid 5843] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 executing program executing program executing program [pid 5845] <... setpgid resumed>) = 0 [pid 5843] write(1, "executing program\n", 18 [pid 5842] write(1, "executing program\n", 18 [pid 5844] write(1, "executing program\n", 18 [pid 5846] write(3, "1000", 4 [pid 5844] <... write resumed>) = 18 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... write resumed>) = 18 [pid 5842] <... write resumed>) = 18 [pid 5846] <... write resumed>) = 4 [pid 5843] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5846] close(3 [pid 5844] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5846] <... close resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5843] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5846] write(1, "executing program\n", 18 [pid 5845] <... openat resumed>) = 3 [pid 5844] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5846] <... write resumed>) = 18 [pid 5845] write(3, "1000", 4 [pid 5844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5846] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... write resumed>) = 4 [pid 5844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5846] <... futex resumed>) = 0 [pid 5845] close(3 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5845] <... close resumed>) = 0 [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] <... mmap resumed>) = 0x7f4033e12000 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5846] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5845] write(1, "executing program\n", 18 [pid 5844] <... mmap resumed>) = 0x7f4033e12000 [pid 5846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5845] <... write resumed>) = 18 [pid 5844] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5843] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5842] <... mmap resumed>) = 0x7f4033e12000 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... mprotect resumed>) = 0 [pid 5843] <... mprotect resumed>) = 0 [pid 5842] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5845] <... futex resumed>) = 0 [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] <... mprotect resumed>) = 0 [pid 5846] <... mmap resumed>) = 0x7f4033e12000 [pid 5845] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5846] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5845] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5846] <... mprotect resumed>) = 0 [pid 5845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5847 attached ./strace-static-x86_64: Process 5849 attached ./strace-static-x86_64: Process 5848 attached [pid 5846] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5849] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5848] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5847] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5845] <... mmap resumed>) = 0x7f4033e12000 [pid 5844] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 [pid 5843] <... clone3 resumed> => {parent_tid=[5849]}, 88) = 5849 [pid 5842] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5849] <... rseq resumed>) = 0 [pid 5848] <... rseq resumed>) = 0 [pid 5847] <... rseq resumed>) = 0 [pid 5845] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5850 attached [pid 5849] set_robust_list(0x7f4033e329a0, 24 [pid 5848] set_robust_list(0x7f4033e329a0, 24 [pid 5847] set_robust_list(0x7f4033e329a0, 24 [pid 5846] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850 [pid 5845] <... mprotect resumed>) = 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... rseq resumed>) = 0 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5850] set_robust_list(0x7f4033e329a0, 24 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5848] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5847] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5842] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5851 attached [pid 5850] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] set_robust_list(0x7f4033e329a0, 24 [pid 5845] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5851] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5845] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 0 [pid 5846] <... futex resumed>) = 1 [pid 5850] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5846] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5845] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5846] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5848] <... unshare resumed>) = 0 [pid 5848] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5848] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] exit_group(0) = ? [pid 5848] <... futex resumed>) = ? [pid 5847] <... unshare resumed>) = 0 [pid 5847] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] exit_group(0 [pid 5848] +++ exited with 0 +++ [pid 5847] <... futex resumed>) = 0 [pid 5842] +++ exited with 0 +++ [pid 5847] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5847] <... futex resumed>) = ? [pid 5844] <... exit_group resumed>) = ? [pid 5847] +++ exited with 0 +++ [pid 5844] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5851] <... unshare resumed>) = 0 [pid 5854] set_robust_list(0x5555576166a0, 24) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached , child_tidptr=0x555557616690) = 5856 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] set_robust_list(0x5555576166a0, 24 [pid 5854] <... prctl resumed>) = 0 [pid 5851] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5854 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5854] setpgid(0, 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] <... setpgid resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5849] <... unshare resumed>) = 0 [pid 5856] <... prctl resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] exit_group(0 [pid 5856] setpgid(0, 0 [pid 5849] <... futex resumed>) = ? [pid 5845] exit_group(0 [pid 5843] <... exit_group resumed>) = ? [pid 5850] <... unshare resumed>) = 0 [pid 5849] +++ exited with 0 +++ [pid 5843] +++ exited with 0 +++ [pid 5856] <... setpgid resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5851] <... futex resumed>) = ? [pid 5845] <... exit_group resumed>) = ? [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] write(3, "1000", 4 [pid 5850] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... openat resumed>) = 3 [pid 5854] <... write resumed>) = 4 [pid 5846] exit_group(0 [pid 5854] close(3 [pid 5846] <... exit_group resumed>) = ? [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached [pid 5856] write(3, "1000", 4 [pid 5854] <... close resumed>) = 0 [pid 5850] <... futex resumed>) = ? [pid 5859] set_robust_list(0x5555576166a0, 24executing program [pid 5856] <... write resumed>) = 4 [pid 5854] write(1, "executing program\n", 18 [pid 5851] +++ exited with 0 +++ [pid 5845] +++ exited with 0 +++ [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5859 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5856] close(3 [pid 5854] <... write resumed>) = 18 [pid 5850] +++ exited with 0 +++ [pid 5846] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... close resumed>) = 0 [pid 5854] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5856] write(1, "executing program\n", 18 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5856] <... write resumed>) = 18 [pid 5854] <... futex resumed>) = 0 [pid 5856] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5856] <... futex resumed>) = 0 [pid 5859] <... prctl resumed>) = 0 [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] setpgid(0, 0 [pid 5856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] <... setpgid resumed>) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... mmap resumed>) = 0x7f4033e12000 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... openat resumed>) = 3 [pid 5856] <... mmap resumed>) = 0x7f4033e12000 [pid 5854] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5856] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... mprotect resumed>) = 0 [pid 5859] write(3, "1000", 4 [pid 5856] <... mprotect resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5859] <... write resumed>) = 4 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] close(3 [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5859] <... close resumed>) = 0 [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5859] write(1, "executing program\n", 18executing program [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached ./strace-static-x86_64: Process 5860 attached [pid 5859] <... write resumed>) = 18 [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5824] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5862 attached [pid 5861] set_robust_list(0x5555576166a0, 24 [pid 5860] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5859] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] <... rseq resumed>) = 0 [pid 5862] <... rseq resumed>) = 0 [pid 5862] set_robust_list(0x7f4033e329a0, 24 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] set_robust_list(0x7f4033e329a0, 24 [pid 5859] <... futex resumed>) = 0 [pid 5854] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5861 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] <... prctl resumed>) = 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5856] <... clone3 resumed> => {parent_tid=[5862]}, 88) = 5862 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] setpgid(0, 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5862] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] <... setpgid resumed>) = 0 [pid 5860] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5856] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5859] <... mmap resumed>) = 0x7f4033e12000 [pid 5854] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... futex resumed>) = 0 [pid 5859] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... futex resumed>) = 1 [pid 5862] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5859] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5863 attached [pid 5861] <... openat resumed>) = 3 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5856] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] write(3, "1000", 4) = 4 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] set_robust_list(0x5555576166a0, 24 [pid 5861] close(3 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program ./strace-static-x86_64: Process 5864 attached [pid 5863] <... set_robust_list resumed>) = 0 [pid 5861] <... close resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5863 [pid 5864] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] write(1, "executing program\n", 18 [pid 5859] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864 [pid 5864] <... rseq resumed>) = 0 [pid 5861] <... write resumed>) = 18 [pid 5864] set_robust_list(0x7f4033e329a0, 24 [pid 5861] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] <... prctl resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] setpgid(0, 0 [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5859] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... setpgid resumed>) = 0 [pid 5861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5864] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5859] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... openat resumed>) = 3 [pid 5861] <... mmap resumed>) = 0x7f4033e12000 [pid 5863] write(3, "1000", 4 [pid 5861] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... write resumed>) = 4 [pid 5861] <... mprotect resumed>) = 0 [pid 5863] close(3 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... close resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5863] write(1, "executing program\n", 18 [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5865 attached [pid 5863] <... write resumed>) = 18 [pid 5863] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 [pid 5863] <... futex resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... rseq resumed>) = 0 [pid 5863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5861] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] set_robust_list(0x7f4033e329a0, 24 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5861] <... futex resumed>) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5863] <... mmap resumed>) = 0x7f4033e12000 [pid 5863] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5866 attached [pid 5866] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 5863] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5866] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5866] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5863] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] <... unshare resumed>) = 0 [pid 5860] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] exit_group(0) = ? [pid 5860] <... futex resumed>) = ? [pid 5860] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached [pid 5868] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5868 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5862] <... unshare resumed>) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... prctl resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5856] exit_group(0 [pid 5862] ???() = ? [pid 5856] <... exit_group resumed>) = ? [pid 5862] +++ exited with 0 +++ [pid 5868] setpgid(0, 0 [pid 5856] +++ exited with 0 +++ [pid 5868] <... setpgid resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5868] <... close resumed>) = 0 [pid 5868] write(1, "executing program\n", 18) = 18 [pid 5868] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5868] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 ./strace-static-x86_64: Process 5870 attached [pid 5868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5870 [pid 5870] set_robust_list(0x5555576166a0, 24 [pid 5868] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... unshare resumed>) = 0 [pid 5868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5872 attached [pid 5870] <... set_robust_list resumed>) = 0 [pid 5864] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5864] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] exit_group(0 [pid 5872] <... rseq resumed>) = 0 [pid 5868] <... clone3 resumed> => {parent_tid=[5872]}, 88) = 5872 [pid 5864] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5872] set_robust_list(0x7f4033e329a0, 24 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 5872] <... set_robust_list resumed>) = 0 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5870] <... prctl resumed>) = 0 [pid 5868] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] setpgid(0, 0 [pid 5868] <... futex resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... setpgid resumed>) = 0 [pid 5868] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached [pid 5870] <... openat resumed>) = 3 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5873 [pid 5873] set_robust_list(0x5555576166a0, 24) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] setpgid(0, 0) = 0 [pid 5870] write(3, "1000", 4 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5870] <... write resumed>) = 4 [pid 5873] write(3, "1000", 4 [pid 5870] close(3 [pid 5873] <... write resumed>) = 4 [pid 5873] close(3) = 0 [pid 5873] write(1, "executing program\n", 18executing program ) = 18 [pid 5873] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... close resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5870] write(1, "executing program\n", 18 [pid 5873] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program NULL, 8) = 0 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5870] <... write resumed>) = 18 [pid 5873] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5870] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5873] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5873] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5876 attached [pid 5873] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] <... unshare resumed>) = 0 [pid 5876] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... unshare resumed>) = 0 [pid 5865] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5870] <... mmap resumed>) = 0x7f4033e12000 [pid 5866] <... futex resumed>) = 0 [pid 5865] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] <... rseq resumed>) = 0 [pid 5870] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] exit_group(0 [pid 5876] set_robust_list(0x7f4033e329a0, 24 [pid 5870] <... mprotect resumed>) = 0 [pid 5866] <... futex resumed>) = ? [pid 5863] <... exit_group resumed>) = ? [pid 5861] exit_group(0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] +++ exited with 0 +++ [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5865] <... futex resumed>) = ? [pid 5861] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5877 attached [pid 5865] +++ exited with 0 +++ [pid 5877] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5870] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5877] <... rseq resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] +++ exited with 0 +++ [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] set_robust_list(0x7f4033e329a0, 24 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5870] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... futex resumed>) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5876] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5861] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5824] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached ./strace-static-x86_64: Process 5879 attached , child_tidptr=0x555557616690) = 5878 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5879 [pid 5879] set_robust_list(0x5555576166a0, 24 [pid 5878] set_robust_list(0x5555576166a0, 24 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] <... prctl resumed>) = 0 [pid 5879] <... prctl resumed>) = 0 [pid 5879] setpgid(0, 0 [pid 5878] setpgid(0, 0) = 0 [pid 5879] <... setpgid resumed>) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] <... openat resumed>) = 3 [pid 5879] write(3, "1000", 4 [pid 5878] write(3, "1000", 4 [pid 5879] <... write resumed>) = 4 [pid 5878] <... write resumed>) = 4 [pid 5879] close(3 [pid 5878] close(3 [pid 5870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 5879] <... close resumed>) = 0 [pid 5878] <... close resumed>) = 0 [pid 5879] write(1, "executing program\n", 18 [pid 5878] write(1, "executing program\n", 18 [pid 5879] <... write resumed>) = 18 executing program [pid 5879] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... write resumed>) = 18 [pid 5879] <... futex resumed>) = 0 [pid 5878] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5878] <... futex resumed>) = 0 [pid 5879] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5878] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5879] <... mmap resumed>) = 0x7f4033e12000 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] <... mprotect resumed>) = 0 [pid 5878] <... mmap resumed>) = 0x7f4033e12000 [pid 5878] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5878] <... mprotect resumed>) = 0 [pid 5879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5880 attached => {parent_tid=[5880]}, 88) = 5880 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5879] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5880] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5879] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] <... rseq resumed>) = 0 [pid 5880] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5880] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[5881]}, 88) = 5881 ./strace-static-x86_64: Process 5881 attached [pid 5881] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 5881] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5881] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5878] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5878] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5872] <... unshare resumed>) = 0 [pid 5872] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] exit_group(0 [pid 5872] <... futex resumed>) = ? [pid 5868] <... exit_group resumed>) = ? [pid 5872] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5821] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached [pid 5883] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5883 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 [pid 5883] write(1, "executing program\n", 18 [pid 5878] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 5883] <... write resumed>) = 18 [pid 5883] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5877] <... unshare resumed>) = 0 [pid 5877] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5877] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] exit_group(0) = ? [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5877] <... futex resumed>) = ? [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] +++ exited with 0 +++ [pid 5870] +++ exited with 0 +++ [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5883] <... mmap resumed>) = 0x7f4033e12000 [pid 5876] <... unshare resumed>) = 0 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5883] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5876] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5876] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5887 attached [pid 5887] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5883] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887 ./strace-static-x86_64: Process 5886 attached [pid 5887] <... rseq resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] exit_group(0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5886 [pid 5887] set_robust_list(0x7f4033e329a0, 24 [pid 5876] <... futex resumed>) = ? [pid 5873] <... exit_group resumed>) = ? [pid 5887] <... set_robust_list resumed>) = 0 [pid 5876] +++ exited with 0 +++ [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5886] set_robust_list(0x5555576166a0, 24 [pid 5883] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... set_robust_list resumed>) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5886] setpgid(0, 0) = 0 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] +++ exited with 0 +++ [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5887] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5886] write(3, "1000", 4) = 4 [pid 5886] close(3) = 0 executing program [pid 5886] write(1, "executing program\n", 18) = 18 [pid 5886] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5886] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5888 attached NULL, 8) = 0 [pid 5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5886] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5886] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5888] set_robust_list(0x5555576166a0, 24 [pid 5886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... unshare resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5888 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5880] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5890 attached [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5880] <... futex resumed>) = 0 [pid 5890] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5888] <... prctl resumed>) = 0 [pid 5886] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890 [pid 5880] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5890] <... rseq resumed>) = 0 [pid 5888] setpgid(0, 0 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] set_robust_list(0x7f4033e329a0, 24 [pid 5888] <... setpgid resumed>) = 0 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5890] <... set_robust_list resumed>) = 0 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5886] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... futex resumed>) = 0 [pid 5879] exit_group(0 [pid 5890] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5886] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] <... futex resumed>) = ? [pid 5879] <... exit_group resumed>) = ? [pid 5888] <... openat resumed>) = 3 [pid 5888] write(3, "1000", 4 [pid 5880] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5888] <... write resumed>) = 4 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5888] close(3 [pid 5881] <... unshare resumed>) = 0 [pid 5888] <... close resumed>) = 0 [pid 5883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 5888] write(1, "executing program\n", 18 [pid 5881] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... write resumed>) = 18 [pid 5881] <... futex resumed>) = 0 [pid 5888] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... futex resumed>) = 0 [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5824] <... restart_syscall resumed>) = 0 [pid 5888] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5878] exit_group(0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5881] <... futex resumed>) = ? [pid 5878] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5892 attached [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5881] +++ exited with 0 +++ [pid 5878] +++ exited with 0 +++ [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5892 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5888] <... mmap resumed>) = 0x7f4033e12000 [pid 5888] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5892] set_robust_list(0x5555576166a0, 24 [pid 5888] <... mprotect resumed>) = 0 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5893 attached [pid 5888] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] <... prctl resumed>) = 0 [pid 5892] setpgid(0, 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5893 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5892] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5894 attached [pid 5893] set_robust_list(0x5555576166a0, 24 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... set_robust_list resumed>) = 0 [pid 5888] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5893] <... prctl resumed>) = 0 [pid 5894] <... rseq resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] set_robust_list(0x7f4033e329a0, 24 [pid 5893] setpgid(0, 0 [pid 5888] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... setpgid resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5892] <... openat resumed>) = 3 [pid 5892] write(3, "1000", 4 [pid 5888] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... write resumed>) = 4 [pid 5892] close(3 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5892] <... close resumed>) = 0 executing program [pid 5892] write(1, "executing program\n", 18) = 18 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... openat resumed>) = 3 [pid 5892] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5894] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5893] write(3, "1000", 4) = 4 [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5890] <... unshare resumed>) = 0 [pid 5886] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5893] close(3 [pid 5890] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... close resumed>) = 0 [pid 5893] write(1, "executing program\n", 18 [pid 5890] <... futex resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5892] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5886] exit_group(0) = ? [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[5896]}, 88) = 5896 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5892] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5892] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 5896 attached [pid 5893] <... write resumed>) = 18 [pid 5896] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5893] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... rseq resumed>) = 0 [pid 5896] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5890] +++ exited with 0 +++ [pid 5893] <... futex resumed>) = 0 [pid 5886] +++ exited with 0 +++ [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5896] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5893] <... mmap resumed>) = 0x7f4033e12000 [pid 5893] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5893] <... mprotect resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5897 attached [], 8) = 0 [pid 5897] set_robust_list(0x5555576166a0, 24 [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5897 ./strace-static-x86_64: Process 5898 attached [pid 5897] <... set_robust_list resumed>) = 0 [pid 5898] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] <... clone3 resumed> => {parent_tid=[5898]}, 88) = 5898 [pid 5898] <... rseq resumed>) = 0 [pid 5897] <... prctl resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] set_robust_list(0x7f4033e329a0, 24 [pid 5897] setpgid(0, 0 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] <... setpgid resumed>) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5897] write(3, "1000", 4) = 4 [pid 5897] close(3) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5893] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET executing program [pid 5897] write(1, "executing program\n", 18 [pid 5887] <... unshare resumed>) = 0 [pid 5897] <... write resumed>) = 18 [pid 5897] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5887] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5887] <... futex resumed>) = 0 [pid 5883] exit_group(0) = ? [pid 5897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5897] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5897] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5887] +++ exited with 0 +++ [pid 5883] +++ exited with 0 +++ [pid 5897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 5900 attached [pid 5897] <... clone3 resumed> => {parent_tid=[5900]}, 88) = 5900 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5897] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5897] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5900] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5902 attached ) = 0 [pid 5892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5900] set_robust_list(0x7f4033e329a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5902 [pid 5902] set_robust_list(0x5555576166a0, 24 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5902] <... set_robust_list resumed>) = 0 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5902] setpgid(0, 0 [pid 5894] <... unshare resumed>) = 0 [pid 5894] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5894] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] <... setpgid resumed>) = 0 [pid 5888] exit_group(0 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... exit_group resumed>) = ? [pid 5902] <... openat resumed>) = 3 [pid 5894] <... futex resumed>) = ? [pid 5902] write(3, "1000", 4 [pid 5894] +++ exited with 0 +++ [pid 5888] +++ exited with 0 +++ [pid 5902] <... write resumed>) = 4 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5902] close(3) = 0 [pid 5902] write(1, "executing program\n", 18executing program ) = 18 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5903 attached ) = 0 [pid 5903] set_robust_list(0x5555576166a0, 24 [pid 5902] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5903 [pid 5902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] <... mmap resumed>) = 0x7f4033e12000 [pid 5902] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5903] <... prctl resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5903] setpgid(0, 0 [pid 5902] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5903] <... setpgid resumed>) = 0 [pid 5902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5904 attached [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5903] <... openat resumed>) = 3 [pid 5902] <... clone3 resumed> => {parent_tid=[5904]}, 88) = 5904 [pid 5904] <... rseq resumed>) = 0 [pid 5903] write(3, "1000", 4 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] set_robust_list(0x7f4033e329a0, 24 [pid 5903] <... write resumed>) = 4 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] close(3 [pid 5902] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5903] <... close resumed>) = 0 executing program [pid 5902] <... futex resumed>) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] write(1, "executing program\n", 18 [pid 5902] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5903] <... write resumed>) = 18 [pid 5903] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5903] <... mmap resumed>) = 0x7f4033e12000 [pid 5903] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5905 attached [pid 5905] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5903] <... clone3 resumed> => {parent_tid=[5905]}, 88) = 5905 [pid 5905] <... rseq resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] set_robust_list(0x7f4033e329a0, 24 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5903] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5903] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5898] <... unshare resumed>) = 0 [pid 5898] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5898] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] exit_group(0 [pid 5898] <... futex resumed>) = ? [pid 5893] <... exit_group resumed>) = ? [pid 5898] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5902] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5826] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached [pid 5907] set_robust_list(0x5555576166a0, 24) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5907 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5907] setpgid(0, 0) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5907] write(3, "1000", 4 [pid 5896] <... unshare resumed>) = 0 [pid 5896] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... write resumed>) = 4 [pid 5892] exit_group(0 [pid 5907] close(3 [pid 5896] <... futex resumed>) = ? [pid 5892] <... exit_group resumed>) = ? [pid 5907] <... close resumed>) = 0 [pid 5896] +++ exited with 0 +++ [pid 5892] +++ exited with 0 +++ [pid 5907] write(1, "executing program\n", 18executing program [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5907] <... write resumed>) = 18 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5907] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] <... futex resumed>) = 0 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5907] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5824] <... restart_syscall resumed>) = 0 [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[5909]}, 88) = 5909 ./strace-static-x86_64: Process 5909 attached [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5909] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5910 attached [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] set_robust_list(0x5555576166a0, 24 [pid 5909] <... rseq resumed>) = 0 [pid 5907] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] set_robust_list(0x7f4033e329a0, 24 [pid 5907] <... futex resumed>) = 0 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5909] <... set_robust_list resumed>) = 0 [pid 5907] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5910 [pid 5910] <... prctl resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] setpgid(0, 0 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] <... setpgid resumed>) = 0 executing program [pid 5909] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5910] write(3, "1000", 4) = 4 [pid 5910] close(3) = 0 [pid 5910] write(1, "executing program\n", 18) = 18 [pid 5910] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5910] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5910] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5911 attached [pid 5911] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5910] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911 [pid 5911] <... rseq resumed>) = 0 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] set_robust_list(0x7f4033e329a0, 24 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5911] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5910] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5900] <... unshare resumed>) = 0 [pid 5900] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] exit_group(0) = ? [pid 5900] <... futex resumed>) = ? [pid 5900] +++ exited with 0 +++ [pid 5897] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5905] <... unshare resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5905] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5914 attached [pid 5914] set_robust_list(0x5555576166a0, 24 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5914 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5914] setpgid(0, 0 [pid 5905] <... futex resumed>) = 0 [pid 5903] exit_group(0 [pid 5914] <... setpgid resumed>) = 0 [pid 5903] <... exit_group resumed>) = ? [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5914] write(3, "1000", 4) = 4 [pid 5914] close(3) = 0 [pid 5914] write(1, "executing program\n", 18executing program [pid 5905] +++ exited with 0 +++ [pid 5914] <... write resumed>) = 18 [pid 5914] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5914] <... futex resumed>) = 0 [pid 5914] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached [pid 5914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5915] set_robust_list(0x5555576166a0, 24 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] <... mmap resumed>) = 0x7f4033e12000 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5915 [pid 5914] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5915] <... prctl resumed>) = 0 [pid 5915] setpgid(0, 0 [pid 5914] <... mprotect resumed>) = 0 [pid 5915] <... setpgid resumed>) = 0 [pid 5914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5915] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5916 attached [pid 5914] <... clone3 resumed> => {parent_tid=[5916]}, 88) = 5916 [pid 5916] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5915] write(3, "1000", 4 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5916] <... rseq resumed>) = 0 [pid 5915] <... write resumed>) = 4 [pid 5916] set_robust_list(0x7f4033e329a0, 24 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] close(3 [pid 5914] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] <... close resumed>) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET executing program [pid 5915] write(1, "executing program\n", 18) = 18 [pid 5915] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5915] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5904] <... unshare resumed>) = 0 [pid 5915] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5904] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5904] <... futex resumed>) = 0 [pid 5902] exit_group(0./strace-static-x86_64: Process 5918 attached ) = ? [pid 5915] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918 [pid 5918] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5918] <... rseq resumed>) = 0 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] set_robust_list(0x7f4033e329a0, 24 [pid 5915] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... set_robust_list resumed>) = 0 [pid 5914] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5909] <... unshare resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5909] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5907] exit_group(0) = ? [pid 5909] <... futex resumed>) = ? ./strace-static-x86_64: Process 5920 attached [pid 5918] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5909] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5920 [pid 5920] set_robust_list(0x5555576166a0, 24) = 0 [pid 5911] <... unshare resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5911] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5920] <... prctl resumed>) = 0 [pid 5911] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5922 attached [pid 5920] setpgid(0, 0 [pid 5915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5911] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] exit_group(0 [pid 5922] set_robust_list(0x5555576166a0, 24 [pid 5920] <... setpgid resumed>) = 0 [pid 5910] <... exit_group resumed>) = ? [pid 5911] <... futex resumed>) = ? [pid 5922] <... set_robust_list resumed>) = 0 [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5922 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5920] <... openat resumed>) = 3 [pid 5922] <... prctl resumed>) = 0 [pid 5920] write(3, "1000", 4 [pid 5911] +++ exited with 0 +++ [pid 5910] +++ exited with 0 +++ [pid 5920] <... write resumed>) = 4 [pid 5922] setpgid(0, 0 [pid 5920] close(3 [pid 5916] <... unshare resumed>) = 0 executing program [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5922] <... setpgid resumed>) = 0 [pid 5920] <... close resumed>) = 0 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5916] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] write(1, "executing program\n", 18 [pid 5916] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] <... write resumed>) = 18 [pid 5922] <... openat resumed>) = 3 [pid 5920] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5922] write(3, "1000", 4 [pid 5920] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5914] exit_group(0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 5922] <... write resumed>) = 4 [pid 5920] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5914] <... exit_group resumed>) = ? [pid 5922] close(3 [pid 5920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5922] <... close resumed>) = 0 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5924 attached [pid 5922] write(1, "executing program\n", 18 [pid 5920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5916] <... futex resumed>) = ? [pid 5924] set_robust_list(0x5555576166a0, 24 [pid 5922] <... write resumed>) = 18 [pid 5920] <... mmap resumed>) = 0x7f4033e12000 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5924 [pid 5922] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5924] <... set_robust_list resumed>) = 0 [pid 5922] <... futex resumed>) = 0 [pid 5920] <... mprotect resumed>) = 0 [pid 5916] +++ exited with 0 +++ [pid 5914] +++ exited with 0 +++ [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5920] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5920] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5924] <... prctl resumed>) = 0 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5925 attached [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5920] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [pid 5922] <... mmap resumed>) = 0x7f4033e12000 [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] <... mprotect resumed>) = 0 [pid 5920] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] setpgid(0, 0 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5920] <... futex resumed>) = 0 [pid 5925] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5920] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[5926]}, 88) = 5926 ./strace-static-x86_64: Process 5926 attached [pid 5925] <... rseq resumed>) = 0 [pid 5924] <... setpgid resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5926] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5925] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5926] <... rseq resumed>) = 0 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] set_robust_list(0x7f4033e329a0, 24 [pid 5925] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5926] <... set_robust_list resumed>) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5927 attached [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] set_robust_list(0x5555576166a0, 24) = 0 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5926] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5924] <... openat resumed>) = 3 [pid 5922] <... futex resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5927 [pid 5927] <... prctl resumed>) = 0 [pid 5927] setpgid(0, 0 [pid 5924] write(3, "1000", 4 [pid 5922] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] <... setpgid resumed>) = 0 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5927] write(3, "1000", 4) = 4 [pid 5927] close(3) = 0 executing program [pid 5927] write(1, "executing program\n", 18) = 18 [pid 5927] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5924] <... write resumed>) = 4 [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5927] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5924] close(3) = 0 executing program [pid 5927] <... mprotect resumed>) = 0 [pid 5924] write(1, "executing program\n", 18) = 18 [pid 5927] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5924] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5924] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, ./strace-static-x86_64: Process 5928 attached NULL, 8) = 0 [pid 5928] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5927] <... clone3 resumed> => {parent_tid=[5928]}, 88) = 5928 [pid 5924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5928] <... rseq resumed>) = 0 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5928] set_robust_list(0x7f4033e329a0, 24 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5927] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... mmap resumed>) = 0x7f4033e12000 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5927] <... futex resumed>) = 0 [pid 5924] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] <... mprotect resumed>) = 0 [pid 5928] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5924] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5920] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5929 attached [pid 5929] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5924] <... clone3 resumed> => {parent_tid=[5929]}, 88) = 5929 [pid 5929] <... rseq resumed>) = 0 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] set_robust_list(0x7f4033e329a0, 24 [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5929] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 1 [pid 5929] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5924] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5918] <... unshare resumed>) = 0 [pid 5918] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] exit_group(0) = ? [pid 5918] +++ exited with 0 +++ [pid 5915] +++ exited with 0 +++ [pid 5924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5924] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5931 attached [pid 5931] set_robust_list(0x5555576166a0, 24 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5931 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5931] setpgid(0, 0) = 0 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5931] write(3, "1000", 4) = 4 [pid 5931] close(3) = 0 [pid 5931] write(1, "executing program\n", 18) = 18 [pid 5931] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5931] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5931] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[5932]}, 88) = 5932 [pid 5931] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5932 attached NULL, 8) = 0 [pid 5931] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5931] <... futex resumed>) = 0 [pid 5932] <... rseq resumed>) = 0 [pid 5932] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5931] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5925] <... unshare resumed>) = 0 [pid 5925] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5920] exit_group(0 [pid 5925] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5920] <... exit_group resumed>) = ? [pid 5929] <... unshare resumed>) = 0 [pid 5925] +++ exited with 0 +++ [pid 5920] +++ exited with 0 +++ [pid 5929] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5924] exit_group(0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5924] <... exit_group resumed>) = ? [pid 5929] <... futex resumed>) = ? [pid 5929] +++ exited with 0 +++ [pid 5926] <... unshare resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 5926] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] <... futex resumed>) = 0 [pid 5928] <... unshare resumed>) = 0 [pid 5924] +++ exited with 0 +++ ./strace-static-x86_64: Process 5937 attached [pid 5926] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] exit_group(0 [pid 5937] set_robust_list(0x5555576166a0, 24 [pid 5922] <... exit_group resumed>) = ? [pid 5937] <... set_robust_list resumed>) = 0 [pid 5926] <... futex resumed>) = ? [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5928] <... futex resumed>) = 0 [pid 5927] exit_group(0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5937 [pid 5937] <... prctl resumed>) = 0 [pid 5927] <... exit_group resumed>) = ? [pid 5937] setpgid(0, 0 [pid 5928] +++ exited with 0 +++ [pid 5926] +++ exited with 0 +++ [pid 5922] +++ exited with 0 +++ [pid 5927] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5824] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5939 attached ./strace-static-x86_64: Process 5938 attached [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5940 attached [pid 5939] set_robust_list(0x5555576166a0, 24 [pid 5938] set_robust_list(0x5555576166a0, 24 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5938 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] <... setpgid resumed>) = 0 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5940] set_robust_list(0x5555576166a0, 24 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5938] <... prctl resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5939 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5939] <... prctl resumed>) = 0 [pid 5938] setpgid(0, 0 [pid 5937] <... openat resumed>) = 3 [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5939] setpgid(0, 0 [pid 5937] write(3, "1000", 4 [pid 5940] <... prctl resumed>) = 0 [pid 5939] <... setpgid resumed>) = 0 [pid 5937] <... write resumed>) = 4 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5940 [pid 5940] setpgid(0, 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] <... setpgid resumed>) = 0 [pid 5937] close(3 [pid 5940] <... setpgid resumed>) = 0 [pid 5939] <... openat resumed>) = 3 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5937] <... close resumed>) = 0 [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5937] write(1, "executing program\n", 18executing program ) = 18 [pid 5940] <... openat resumed>) = 3 [pid 5939] write(3, "1000", 4 [pid 5938] <... openat resumed>) = 3 [pid 5939] <... write resumed>) = 4 [pid 5938] write(3, "1000", 4 [pid 5937] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] close(3 [pid 5938] <... write resumed>) = 4 [pid 5939] <... close resumed>) = 0 [pid 5938] close(3 [pid 5939] write(1, "executing program\n", 18executing program executing program [pid 5938] <... close resumed>) = 0 [pid 5939] <... write resumed>) = 18 [pid 5938] write(1, "executing program\n", 18 [pid 5939] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... write resumed>) = 18 [pid 5939] <... futex resumed>) = 0 [pid 5940] write(3, "1000", 4 [pid 5939] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5938] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5940] <... write resumed>) = 4 [pid 5939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5938] <... futex resumed>) = 0 [pid 5940] close(3 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5937] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5940] <... close resumed>) = 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5940] write(1, "executing program\n", 18 [pid 5939] <... mmap resumed>) = 0x7f4033e12000 [pid 5938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] <... write resumed>) = 18 [pid 5939] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5940] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... mmap resumed>) = 0x7f4033e12000 [pid 5940] <... futex resumed>) = 0 [pid 5937] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5940] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5939] <... mprotect resumed>) = 0 [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5938] <... mmap resumed>) = 0x7f4033e12000 [pid 5938] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5940] <... mmap resumed>) = 0x7f4033e12000 [pid 5939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5938] <... mprotect resumed>) = 0 [pid 5940] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5937] <... mprotect resumed>) = 0 [pid 5940] <... mprotect resumed>) = 0 [pid 5937] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5937] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5942 attached [pid 5940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5942] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 5942] set_robust_list(0x7f4033e329a0, 24 [pid 5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5937] <... clone3 resumed> => {parent_tid=[5942]}, 88) = 5942 ./strace-static-x86_64: Process 5944 attached ./strace-static-x86_64: Process 5943 attached [pid 5942] <... set_robust_list resumed>) = 0 [pid 5939] <... clone3 resumed> => {parent_tid=[5943]}, 88) = 5943 [pid 5938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5943] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5944] <... rseq resumed>) = 0 [pid 5943] <... rseq resumed>) = 0 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5945 attached [pid 5944] set_robust_list(0x7f4033e329a0, 24 [pid 5943] set_robust_list(0x7f4033e329a0, 24 [pid 5942] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945 [pid 5937] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... rseq resumed>) = 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5942] <... futex resumed>) = 0 [pid 5940] <... clone3 resumed> => {parent_tid=[5944]}, 88) = 5944 [pid 5939] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] <... futex resumed>) = 1 [pid 5945] set_robust_list(0x7f4033e329a0, 24 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] <... unshare resumed>) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5944] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5942] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5940] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5940] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] exit_group(0 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = ? [pid 5931] <... exit_group resumed>) = ? [pid 5944] <... futex resumed>) = 0 [pid 5938] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] +++ exited with 0 +++ [pid 5944] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5940] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5931] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 5946 ./strace-static-x86_64: Process 5946 attached [pid 5946] set_robust_list(0x5555576166a0, 24) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5946] setpgid(0, 0) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5946] write(3, "1000", 4) = 4 [pid 5946] close(3) = 0 executing program [pid 5946] write(1, "executing program\n", 18) = 18 [pid 5946] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5946] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5946] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5947 attached [pid 5947] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5946] <... clone3 resumed> => {parent_tid=[5947]}, 88) = 5947 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... rseq resumed>) = 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5947] set_robust_list(0x7f4033e329a0, 24 [pid 5946] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5947] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5946] <... futex resumed>) = 0 [pid 5946] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5938] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5938] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5940] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5944] <... unshare resumed>) = 0 [pid 5944] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5944] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] exit_group(0) = ? [pid 5944] <... futex resumed>) = ? [pid 5944] +++ exited with 0 +++ [pid 5940] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5943] <... unshare resumed>) = 0 [pid 5943] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5939] exit_group(0) = ? [pid 5942] <... unshare resumed>) = 0 [pid 5942] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5942] <... futex resumed>) = 0 [pid 5942] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] exit_group(0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5943] +++ exited with 0 +++ [pid 5942] <... futex resumed>) = ? [pid 5937] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5951 attached [pid 5942] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5937] +++ exited with 0 +++ [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5951 [pid 5951] set_robust_list(0x5555576166a0, 24) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5952 attached [pid 5952] set_robust_list(0x5555576166a0, 24./strace-static-x86_64: Process 5953 attached ) = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5953] set_robust_list(0x5555576166a0, 24 [pid 5952] setpgid(0, 0 [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] <... unshare resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5952 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5953 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5951] <... prctl resumed>) = 0 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... setpgid resumed>) = 0 [pid 5951] setpgid(0, 0 [pid 5945] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... prctl resumed>) = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5951] <... setpgid resumed>) = 0 [pid 5947] <... unshare resumed>) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5953] setpgid(0, 0 [pid 5947] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... setpgid resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5938] exit_group(0 [pid 5952] <... openat resumed>) = 3 [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] write(3, "1000", 4 [pid 5951] <... openat resumed>) = 3 [pid 5947] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] exit_group(0 [pid 5945] <... futex resumed>) = ? [pid 5938] <... exit_group resumed>) = ? [pid 5952] <... write resumed>) = 4 [pid 5951] write(3, "1000", 4 [pid 5947] <... futex resumed>) = ? [pid 5946] <... exit_group resumed>) = ? [pid 5945] +++ exited with 0 +++ [pid 5952] close(3executing program ) = 0 [pid 5952] write(1, "executing program\n", 18 [pid 5938] +++ exited with 0 +++ [pid 5952] <... write resumed>) = 18 [pid 5952] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5952] <... futex resumed>) = 0 [pid 5952] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5953] <... openat resumed>) = 3 [pid 5951] <... write resumed>) = 4 [pid 5947] +++ exited with 0 +++ [pid 5946] +++ exited with 0 +++ [pid 5826] <... restart_syscall resumed>) = 0 [pid 5953] write(3, "1000", 4 [pid 5952] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5951] close(3 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- executing program [pid 5953] <... write resumed>) = 4 [pid 5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5951] <... close resumed>) = 0 [pid 5953] close(3 [pid 5951] write(1, "executing program\n", 18) = 18 [pid 5953] <... close resumed>) = 0 [pid 5953] write(1, "executing program\n", 18executing program [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] <... write resumed>) = 18 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5951] <... futex resumed>) = 0 [pid 5952] <... mmap resumed>) = 0x7f4033e12000 [pid 5952] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5957 attached ./strace-static-x86_64: Process 5956 attached [pid 5953] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... mprotect resumed>) = 0 [pid 5951] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5953] <... futex resumed>) = 0 [pid 5951] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5956] set_robust_list(0x5555576166a0, 24 [pid 5957] set_robust_list(0x5555576166a0, 24 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5956 [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5957 [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5956] <... prctl resumed>) = 0 [pid 5951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5956] setpgid(0, 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] <... setpgid resumed>) = 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5951] <... mmap resumed>) = 0x7f4033e12000 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5951] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5958 attached [pid 5957] <... prctl resumed>) = 0 [pid 5953] <... mmap resumed>) = 0x7f4033e12000 [pid 5951] <... mprotect resumed>) = 0 [pid 5953] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5958] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5957] setpgid(0, 0 [pid 5956] <... openat resumed>) = 3 [pid 5953] <... mprotect resumed>) = 0 [pid 5952] <... clone3 resumed> => {parent_tid=[5958]}, 88) = 5958 [pid 5951] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5958] <... rseq resumed>) = 0 [pid 5957] <... setpgid resumed>) = 0 [pid 5956] write(3, "1000", 4 [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5958] set_robust_list(0x7f4033e329a0, 24 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5956] <... write resumed>) = 4 [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] <... openat resumed>) = 3 [pid 5956] close(3 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5952] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5959 attached [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] <... futex resumed>) = 0 executing program ./strace-static-x86_64: Process 5960 attached [pid 5959] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] write(3, "1000", 4 [pid 5956] <... close resumed>) = 0 [pid 5953] <... clone3 resumed> => {parent_tid=[5959]}, 88) = 5959 [pid 5952] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] write(1, "executing program\n", 18 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960 [pid 5956] <... write resumed>) = 18 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5956] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5959] <... rseq resumed>) = 0 [pid 5958] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5957] <... write resumed>) = 4 [pid 5960] <... rseq resumed>) = 0 [pid 5959] set_robust_list(0x7f4033e329a0, 24 [pid 5956] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] set_robust_list(0x7f4033e329a0, 24 [pid 5951] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5953] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] <... futex resumed>) = 0 [pid 5956] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5951] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5957] close(3 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] <... set_robust_list resumed>) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] <... close resumed>) = 0 [pid 5960] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5957] write(1, "executing program\n", 18 [pid 5959] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5957] <... write resumed>) = 18 [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5957] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] <... mmap resumed>) = 0x7f4033e12000 [pid 5957] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5956] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5957] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5956] <... mprotect resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5957] <... mmap resumed>) = 0x7f4033e12000 [pid 5957] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5957] <... mprotect resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5956] <... clone3 resumed> => {parent_tid=[5961]}, 88) = 5961 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5961 attached [pid 5957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5962 attached [pid 5961] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5957] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962 [pid 5962] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5961] <... rseq resumed>) = 0 [pid 5962] <... rseq resumed>) = 0 [pid 5961] set_robust_list(0x7f4033e329a0, 24 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] set_robust_list(0x7f4033e329a0, 24 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5962] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5957] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5951] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5958] <... unshare resumed>) = 0 [pid 5958] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5958] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] exit_group(0) = ? [pid 5958] <... futex resumed>) = ? [pid 5958] +++ exited with 0 +++ [pid 5952] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5964 attached [pid 5957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5964 [pid 5964] set_robust_list(0x5555576166a0, 24) = 0 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5964] setpgid(0, 0) = 0 [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5964] write(3, "1000", 4) = 4 [pid 5964] close(3) = 0 [pid 5964] write(1, "executing program\n", 18executing program ) = 18 [pid 5964] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5964] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5964] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5964] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5965 attached => {parent_tid=[5965]}, 88) = 5965 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5964] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5964] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 5965] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5965] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5964] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5959] <... unshare resumed>) = 0 [pid 5959] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] exit_group(0) = ? [pid 5959] <... futex resumed>) = ? [pid 5959] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5960] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5968 attached [pid 5968] set_robust_list(0x5555576166a0, 24 [pid 5960] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5960] <... futex resumed>) = 0 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5960] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... prctl resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5968 [pid 5968] setpgid(0, 0 [pid 5951] exit_group(0 [pid 5968] <... setpgid resumed>) = 0 [pid 5951] <... exit_group resumed>) = ? [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] <... futex resumed>) = ? [pid 5968] <... openat resumed>) = 3 [pid 5960] +++ exited with 0 +++ [pid 5951] +++ exited with 0 +++ [pid 5968] write(3, "1000", 4) = 4 [pid 5968] close(3) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5968] write(1, "executing program\n", 18) = 18 [pid 5968] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5968] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5968] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5969 attached [pid 5968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5969] set_robust_list(0x5555576166a0, 24 [pid 5968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5970 attached [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5969 [pid 5970] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5969] <... prctl resumed>) = 0 [pid 5968] <... clone3 resumed> => {parent_tid=[5970]}, 88) = 5970 [pid 5970] <... rseq resumed>) = 0 [pid 5969] setpgid(0, 0 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] set_robust_list(0x7f4033e329a0, 24 [pid 5969] <... setpgid resumed>) = 0 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] <... openat resumed>) = 3 [pid 5968] <... futex resumed>) = 0 [pid 5970] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5969] write(3, "1000", 4 [pid 5968] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... write resumed>) = 4 [pid 5969] close(3) = 0 executing program [pid 5969] write(1, "executing program\n", 18) = 18 [pid 5969] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5969] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5969] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5971 attached => {parent_tid=[5971]}, 88) = 5971 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5971] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5969] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... rseq resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5971] set_robust_list(0x7f4033e329a0, 24 [pid 5969] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... set_robust_list resumed>) = 0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5971] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5968] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5961] <... unshare resumed>) = 0 [pid 5961] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] exit_group(0 [pid 5961] <... futex resumed>) = ? [pid 5956] <... exit_group resumed>) = ? [pid 5961] +++ exited with 0 +++ [pid 5956] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5962] <... unshare resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5974 attached [pid 5962] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] exit_group(0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5974 [pid 5962] <... futex resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5969] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5962] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5974] set_robust_list(0x5555576166a0, 24) = 0 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5974] setpgid(0, 0) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5974] write(3, "1000", 4 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5974] <... write resumed>) = 4 ./strace-static-x86_64: Process 5975 attached [pid 5974] close(3) = 0 [pid 5974] write(1, "executing program\n", 18executing program [pid 5975] set_robust_list(0x5555576166a0, 24 [pid 5974] <... write resumed>) = 18 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5975 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5974] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5975] <... prctl resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5975] setpgid(0, 0 [pid 5974] <... mmap resumed>) = 0x7f4033e12000 [pid 5975] <... setpgid resumed>) = 0 [pid 5974] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5975] <... openat resumed>) = 3 [pid 5965] <... unshare resumed>) = 0 [pid 5975] write(3, "1000", 4 [pid 5965] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... write resumed>) = 4 [pid 5965] <... futex resumed>) = 0 [pid 5975] close(3) = 0 [pid 5974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5977 attached => {parent_tid=[5977]}, 88) = 5977 [pid 5964] exit_group(0 [pid 5977] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053executing program [pid 5975] write(1, "executing program\n", 18 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] <... exit_group resumed>) = ? [pid 5975] <... write resumed>) = 18 [pid 5977] <... rseq resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5977] set_robust_list(0x7f4033e329a0, 24 [pid 5975] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] +++ exited with 0 +++ [pid 5964] +++ exited with 0 +++ [pid 5977] <... set_robust_list resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5974] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5975] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5978 attached => {parent_tid=[5978]}, 88) = 5978 [pid 5978] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5979 attached [pid 5978] <... rseq resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5979 [pid 5979] set_robust_list(0x5555576166a0, 24) = 0 [pid 5978] set_robust_list(0x7f4033e329a0, 24 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] <... set_robust_list resumed>) = 0 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] <... prctl resumed>) = 0 [pid 5979] setpgid(0, 0 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... setpgid resumed>) = 0 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5975] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... openat resumed>) = 3 [pid 5979] write(3, "1000", 4) = 4 executing program [pid 5979] close(3) = 0 [pid 5979] write(1, "executing program\n", 18) = 18 [pid 5979] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5979] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5979] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5982 attached => {parent_tid=[5982]}, 88) = 5982 [pid 5971] <... unshare resumed>) = 0 [pid 5970] <... unshare resumed>) = 0 [pid 5982] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5971] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... rseq resumed>) = 0 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5982] set_robust_list(0x7f4033e329a0, 24 [pid 5979] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] <... futex resumed>) = 0 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5971] <... futex resumed>) = 0 [pid 5970] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] exit_group(0 [pid 5968] exit_group(0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] <... futex resumed>) = ? [pid 5969] <... exit_group resumed>) = ? [pid 5968] <... exit_group resumed>) = ? [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5971] +++ exited with 0 +++ [pid 5970] +++ exited with 0 +++ [pid 5969] +++ exited with 0 +++ [pid 5968] +++ exited with 0 +++ [pid 5982] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5821] <... restart_syscall resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5975] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 5983 ./strace-static-x86_64: Process 5983 attached ./strace-static-x86_64: Process 5984 attached [pid 5984] set_robust_list(0x5555576166a0, 24 [pid 5983] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5984 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5983] setpgid(0, 0 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] <... setpgid resumed>) = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5984] setpgid(0, 0) = 0 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5984] <... openat resumed>) = 3 [pid 5984] write(3, "1000", 4) = 4 [pid 5984] close(3 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] <... close resumed>) = 0 [pid 5983] <... openat resumed>) = 3 executing program [pid 5984] write(1, "executing program\n", 18) = 18 [pid 5983] write(3, "1000", 4executing program [pid 5984] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... write resumed>) = 4 [pid 5984] <... futex resumed>) = 0 [pid 5983] close(3 [pid 5984] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5983] <... close resumed>) = 0 [pid 5983] write(1, "executing program\n", 18) = 18 [pid 5983] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5983] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5983] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5984] <... mmap resumed>) = 0x7f4033e12000 [pid 5983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5984] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... mprotect resumed>) = 0 [pid 5983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5983] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5983] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5985 attached [pid 5985] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 5983] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5986 attached [pid 5985] set_robust_list(0x7f4033e329a0, 24 [pid 5984] <... clone3 resumed> => {parent_tid=[5985]}, 88) = 5985 [pid 5986] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5983] <... clone3 resumed> => {parent_tid=[5986]}, 88) = 5986 [pid 5986] <... rseq resumed>) = 0 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5986] set_robust_list(0x7f4033e329a0, 24 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5983] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] <... futex resumed>) = 0 [pid 5983] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5986] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5984] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5983] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5984] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5977] <... unshare resumed>) = 0 [pid 5977] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] exit_group(0) = ? [pid 5982] <... unshare resumed>) = 0 [pid 5978] <... unshare resumed>) = 0 [pid 5977] <... futex resumed>) = ? [pid 5982] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] exit_group(0 [pid 5982] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = ? [pid 5975] <... exit_group resumed>) = ? [pid 5982] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] +++ exited with 0 +++ [pid 5979] exit_group(0) = ? [pid 5982] <... futex resumed>) = ? [pid 5977] +++ exited with 0 +++ [pid 5975] +++ exited with 0 +++ [pid 5974] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5982] +++ exited with 0 +++ [pid 5979] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5990 attached [pid 5990] set_robust_list(0x5555576166a0, 24 [pid 5824] <... restart_syscall resumed>) = 0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 5990 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5990] setpgid(0, 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5990] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5991 attached [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5992 attached [pid 5990] <... openat resumed>) = 3 [pid 5992] set_robust_list(0x5555576166a0, 24 [pid 5991] set_robust_list(0x5555576166a0, 24 [pid 5990] write(3, "1000", 4 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5990] <... write resumed>) = 4 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 5991 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 5992 executing program [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] close(3 [pid 5992] <... prctl resumed>) = 0 [pid 5991] <... prctl resumed>) = 0 [pid 5992] setpgid(0, 0 [pid 5990] <... close resumed>) = 0 [pid 5992] <... setpgid resumed>) = 0 [pid 5991] setpgid(0, 0 [pid 5990] write(1, "executing program\n", 18) = 18 [pid 5990] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] <... setpgid resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5992] <... openat resumed>) = 3 [pid 5990] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5992] write(3, "1000", 4 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5990] <... rt_sigaction resumed>NULL, 8) = 0 executing program executing program [pid 5992] <... write resumed>) = 4 [pid 5991] <... openat resumed>) = 3 [pid 5990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5992] close(3 [pid 5991] write(3, "1000", 4 [pid 5992] <... close resumed>) = 0 [pid 5991] <... write resumed>) = 4 [pid 5992] write(1, "executing program\n", 18 [pid 5991] close(3 [pid 5992] <... write resumed>) = 18 [pid 5991] <... close resumed>) = 0 [pid 5992] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] write(1, "executing program\n", 18 [pid 5992] <... futex resumed>) = 0 [pid 5991] <... write resumed>) = 18 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5992] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5991] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... mmap resumed>) = 0x7f4033e12000 [pid 5992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5991] <... futex resumed>) = 0 [pid 5990] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5990] <... mprotect resumed>) = 0 [pid 5992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5993 attached [pid 5992] <... mmap resumed>) = 0x7f4033e12000 [pid 5991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5993] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5992] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] <... clone3 resumed> => {parent_tid=[5993]}, 88) = 5993 [pid 5993] <... rseq resumed>) = 0 [pid 5992] <... mprotect resumed>) = 0 [pid 5991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5993] set_robust_list(0x7f4033e329a0, 24 [pid 5991] <... mmap resumed>) = 0x7f4033e12000 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5991] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5992] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5991] <... mprotect resumed>) = 0 [pid 5990] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... unshare resumed>) = 0 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5991] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5990] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5995 attached [pid 5993] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5991] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5985] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5990] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] exit_group(0 [pid 5995] <... rseq resumed>) = 0 [pid 5984] <... exit_group resumed>) = ? [pid 5995] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5996 attached [pid 5995] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] <... futex resumed>) = ? [pid 5996] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5991] <... clone3 resumed> => {parent_tid=[5996]}, 88) = 5996 [pid 5985] +++ exited with 0 +++ [pid 5984] +++ exited with 0 +++ [pid 5992] <... clone3 resumed> => {parent_tid=[5995]}, 88) = 5995 [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5992] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5996] <... rseq resumed>) = 0 [pid 5995] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5996] set_robust_list(0x7f4033e329a0, 24 [pid 5995] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5821] <... restart_syscall resumed>) = 0 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program ./strace-static-x86_64: Process 5997 attached [pid 5997] set_robust_list(0x5555576166a0, 24) = 0 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5997] setpgid(0, 0) = 0 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5997] write(3, "1000", 4) = 4 [pid 5997] close(3) = 0 [pid 5997] write(1, "executing program\n", 18) = 18 [pid 5997] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5997] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5986] <... unshare resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 5997 [pid 5986] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5986] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5983] exit_group(0 [pid 5997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5983] <... exit_group resumed>) = ? [pid 5986] <... futex resumed>) = ? [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5997] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5997] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 5999 attached => {parent_tid=[5999]}, 88) = 5999 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5997] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5997] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] +++ exited with 0 +++ [pid 5983] +++ exited with 0 +++ [pid 5999] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6000 attached [pid 5999] <... rseq resumed>) = 0 [pid 5990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6000 [pid 6000] set_robust_list(0x5555576166a0, 24 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] <... set_robust_list resumed>) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6000] setpgid(0, 0 [pid 5991] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5992] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5992] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5992] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6000] <... setpgid resumed>) = 0 [pid 5992] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6000] write(3, "1000", 4) = 4 [pid 5997] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6000] close(3) = 0 executing program [pid 6000] write(1, "executing program\n", 18) = 18 [pid 6000] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6000] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6000] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6002 attached [pid 6002] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5993] <... unshare resumed>) = 0 [pid 6000] <... clone3 resumed> => {parent_tid=[6002]}, 88) = 6002 [pid 6002] <... rseq resumed>) = 0 [pid 5993] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 6002] set_robust_list(0x7f4033e329a0, 24 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5990] exit_group(0 [pid 6000] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... exit_group resumed>) = ? [pid 6002] <... set_robust_list resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6000] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5993] +++ exited with 0 +++ [pid 5990] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6004 attached , child_tidptr=0x555557616690) = 6004 [pid 6004] set_robust_list(0x5555576166a0, 24) = 0 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6004] setpgid(0, 0) = 0 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] <... unshare resumed>) = 0 [pid 6004] <... openat resumed>) = 3 [pid 6004] write(3, "1000", 4) = 4 [pid 6004] close(3) = 0 executing program [pid 6004] write(1, "executing program\n", 18 [pid 5995] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... write resumed>) = 18 [pid 6004] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6004] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5992] exit_group(0 [pid 6004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5995] <... futex resumed>) = ? [pid 5992] <... exit_group resumed>) = ? [pid 6004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6004] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6005 attached => {parent_tid=[6005]}, 88) = 6005 [pid 6000] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6004] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6004] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] +++ exited with 0 +++ [pid 5992] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6005] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5996] <... unshare resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6005] <... rseq resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6005] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5996] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] exit_group(0 [pid 5996] <... futex resumed>) = ? [pid 5991] <... exit_group resumed>) = ? [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] +++ exited with 0 +++ [pid 5991] +++ exited with 0 +++ [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6007 attached [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6007] set_robust_list(0x5555576166a0, 24 [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6005] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6007] <... set_robust_list resumed>) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6007 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6007] <... prctl resumed>) = 0 [pid 6007] setpgid(0, 0) = 0 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6008 attached ) = 3 [pid 6007] write(3, "1000", 4 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6008 [pid 6008] set_robust_list(0x5555576166a0, 24 [pid 6007] <... write resumed>) = 4 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] close(3) = 0 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6008] setpgid(0, 0) = 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] write(1, "executing program\n", 18executing program ) = 18 [pid 6007] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6007] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6008] <... openat resumed>) = 3 [pid 6007] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6008] write(3, "1000", 4 [pid 6007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6008] <... write resumed>) = 4 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] close(3 [pid 6004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6008] <... close resumed>) = 0 executing program [pid 6008] write(1, "executing program\n", 18) = 18 [pid 6007] <... mmap resumed>) = 0x7f4033e12000 [pid 6007] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6008] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6007] <... mprotect resumed>) = 0 [pid 6008] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6007] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6009 attached [pid 6008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6007] <... clone3 resumed> => {parent_tid=[6009]}, 88) = 6009 [pid 6009] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... rseq resumed>) = 0 [pid 6009] set_robust_list(0x7f4033e329a0, 24 [pid 6007] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... mmap resumed>) = 0x7f4033e12000 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6007] <... futex resumed>) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6008] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6007] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6008] <... mprotect resumed>) = 0 [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5999] <... unshare resumed>) = 0 [pid 5999] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] exit_group(0) = ? [pid 5999] <... futex resumed>) = ? [pid 6008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5999] +++ exited with 0 +++ [pid 5997] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 6011 attached [pid 6011] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6008] <... clone3 resumed> => {parent_tid=[6011]}, 88) = 6011 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6008] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6012 attached NULL, 8) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6012 [pid 6011] <... rseq resumed>) = 0 [pid 6011] set_robust_list(0x7f4033e329a0, 24 [pid 6008] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] set_robust_list(0x5555576166a0, 24 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] <... set_robust_list resumed>) = 0 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6011] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6012] <... prctl resumed>) = 0 [pid 6012] setpgid(0, 0) = 0 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6012] write(3, "1000", 4) = 4 [pid 6012] close(3) = 0 [pid 6012] write(1, "executing program\n", 18executing program ) = 18 [pid 6012] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... unshare resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 6002] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6002] <... futex resumed>) = 0 [pid 6012] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6002] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6000] exit_group(0 [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6002] <... futex resumed>) = ? [pid 6000] <... exit_group resumed>) = ? [pid 6012] <... mmap resumed>) = 0x7f4033e12000 [pid 6007] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6002] +++ exited with 0 +++ [pid 6012] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6000] +++ exited with 0 +++ [pid 6012] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6012] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5819] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6014 attached [pid 6012] <... clone3 resumed> => {parent_tid=[6014]}, 88) = 6014 [pid 6008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] <... restart_syscall resumed>) = 0 [pid 6014] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] <... rseq resumed>) = 0 [pid 6014] set_robust_list(0x7f4033e329a0, 24 [pid 6012] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6012] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6015 attached NULL, 8) = 0 [pid 6014] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6015] set_robust_list(0x5555576166a0, 24) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6015 [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6015] setpgid(0, 0) = 0 [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6015] write(3, "1000", 4) = 4 [pid 6015] close(3executing program ) = 0 [pid 6015] write(1, "executing program\n", 18) = 18 [pid 6015] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6005] <... unshare resumed>) = 0 [pid 6015] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6005] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6005] <... futex resumed>) = 0 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6005] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] exit_group(0 [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6005] <... futex resumed>) = ? [pid 6004] <... exit_group resumed>) = ? [pid 6015] <... mmap resumed>) = 0x7f4033e12000 [pid 6005] +++ exited with 0 +++ [pid 6015] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6009] <... unshare resumed>) = 0 [pid 6004] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6015] <... mprotect resumed>) = 0 [pid 6009] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6009] <... futex resumed>) = 0 [pid 6009] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] exit_group(0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6009] <... futex resumed>) = ? [pid 6007] <... exit_group resumed>) = ? [pid 6009] +++ exited with 0 +++ ./strace-static-x86_64: Process 6018 attached [pid 6015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6019 attached [pid 6007] +++ exited with 0 +++ [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6018 [pid 6015] <... clone3 resumed> => {parent_tid=[6019]}, 88) = 6019 [pid 6019] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6018] set_robust_list(0x5555576166a0, 24 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... rseq resumed>) = 0 [pid 6019] set_robust_list(0x7f4033e329a0, 24 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6015] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6018] <... prctl resumed>) = 0 [pid 6015] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6018] setpgid(0, 0) = 0 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 6022 attached [pid 6019] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6018] <... openat resumed>) = 3 [pid 6011] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] set_robust_list(0x5555576166a0, 24 [pid 6011] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6022 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6011] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] <... unshare resumed>) = 0 [pid 6018] write(3, "1000", 4 [pid 6014] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... prctl resumed>) = 0 [pid 6018] <... write resumed>) = 4 [pid 6014] <... futex resumed>) = 0 [pid 6012] exit_group(0 [pid 6008] exit_group(0 [pid 6012] <... exit_group resumed>) = ? [pid 6008] <... exit_group resumed>) = ? [pid 6022] setpgid(0, 0 [pid 6018] close(3 [pid 6011] <... futex resumed>) = ? [pid 6022] <... setpgid resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 6011] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ executing program [pid 6018] write(1, "executing program\n", 18 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6018] <... write resumed>) = 18 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6022] write(3, "1000", 4 [pid 6018] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6022] <... write resumed>) = 4 [pid 6018] <... futex resumed>) = 0 [pid 6014] +++ exited with 0 +++ [pid 6012] +++ exited with 0 +++ [pid 5824] <... restart_syscall resumed>) = 0 [pid 6022] close(3 [pid 6018] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6022] <... close resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> executing program [pid 6022] write(1, "executing program\n", 18) = 18 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6022] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6022] <... futex resumed>) = 0 [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6022] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6023 attached [pid 6018] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6015] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] set_robust_list(0x5555576166a0, 24) = 0 [pid 6022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6018] <... mprotect resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6023 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6018] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6023] <... prctl resumed>) = 0 [pid 6022] <... mmap resumed>) = 0x7f4033e12000 [pid 6018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6024 attached [pid 6023] setpgid(0, 0 [pid 6022] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024 ./strace-static-x86_64: Process 6025 attached [pid 6023] <... setpgid resumed>) = 0 [pid 6022] <... mprotect resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6018] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6018] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6026 attached [pid 6024] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6023] <... openat resumed>) = 3 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6025 executing program [pid 6025] set_robust_list(0x5555576166a0, 24 [pid 6024] <... rseq resumed>) = 0 [pid 6023] write(3, "1000", 4 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] set_robust_list(0x7f4033e329a0, 24 [pid 6023] <... write resumed>) = 4 [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] close(3) = 0 [pid 6023] write(1, "executing program\n", 18) = 18 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6025] <... prctl resumed>) = 0 [pid 6024] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6023] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6026] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6025] setpgid(0, 0) = 0 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] <... clone3 resumed> => {parent_tid=[6026]}, 88) = 6026 [pid 6026] <... rseq resumed>) = 0 [pid 6025] <... openat resumed>) = 3 [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] set_robust_list(0x7f4033e329a0, 24 [pid 6025] write(3, "1000", 4 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6026] <... set_robust_list resumed>) = 0 [pid 6025] <... write resumed>) = 4 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] close(3 [pid 6023] <... mmap resumed>) = 0x7f4033e12000 [pid 6022] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] <... close resumed>) = 0 [pid 6023] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6022] <... futex resumed>) = 0 [pid 6022] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... mprotect resumed>) = 0 [pid 6026] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6025] write(1, "executing program\n", 18 [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6025] <... write resumed>) = 18 [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6019] <... unshare resumed>) = 0 [pid 6025] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6019] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6019] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] exit_group(0./strace-static-x86_64: Process 6028 attached [pid 6023] <... clone3 resumed> => {parent_tid=[6028]}, 88) = 6028 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] <... exit_group resumed>) = ? [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6023] <... futex resumed>) = 0 [pid 6025] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = ? [pid 6028] <... rseq resumed>) = 0 [pid 6023] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] set_robust_list(0x7f4033e329a0, 24 [pid 6025] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6019] +++ exited with 0 +++ [pid 6015] +++ exited with 0 +++ [pid 6028] <... set_robust_list resumed>) = 0 [pid 6025] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6018] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5819] <... restart_syscall resumed>) = 0 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6029 attached [pid 6025] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6025] <... mprotect resumed>) = 0 [pid 6025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6029] set_robust_list(0x5555576166a0, 24 [pid 6025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6030 attached [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6025] <... clone3 resumed> => {parent_tid=[6030]}, 88) = 6030 [pid 6030] <... rseq resumed>) = 0 [pid 6029] <... prctl resumed>) = 0 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6029 [pid 6029] setpgid(0, 0) = 0 [pid 6030] set_robust_list(0x7f4033e329a0, 24 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] <... openat resumed>) = 3 [pid 6029] write(3, "1000", 4) = 4 executing program [pid 6029] close(3) = 0 [pid 6029] write(1, "executing program\n", 18) = 18 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 0 [pid 6029] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6025] <... futex resumed>) = 0 [pid 6030] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6025] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6029] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6029] <... mprotect resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6031 attached [pid 6031] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6029] <... clone3 resumed> => {parent_tid=[6031]}, 88) = 6031 [pid 6031] set_robust_list(0x7f4033e329a0, 24 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... set_robust_list resumed>) = 0 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6031] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6029] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6024] <... unshare resumed>) = 0 [pid 6024] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... unshare resumed>) = 0 [pid 6024] <... futex resumed>) = 0 [pid 6024] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] exit_group(0 [pid 6024] <... futex resumed>) = ? [pid 6018] <... exit_group resumed>) = ? [pid 6026] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6024] +++ exited with 0 +++ [pid 6026] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6022] exit_group(0 [pid 6026] <... futex resumed>) = ? [pid 6022] <... exit_group resumed>) = ? [pid 6026] +++ exited with 0 +++ [pid 6022] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6034 attached , child_tidptr=0x555557616690) = 6034 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6035 attached [pid 6034] set_robust_list(0x5555576166a0, 24 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6035 [pid 6035] set_robust_list(0x5555576166a0, 24) = 0 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] <... prctl resumed>) = 0 [pid 6034] <... prctl resumed>) = 0 [pid 6035] setpgid(0, 0) = 0 [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6035] write(3, "1000", 4) = 4 [pid 6035] close(3) = 0 [pid 6034] setpgid(0, 0 [pid 6035] write(1, "executing program\n", 18executing program ) = 18 [pid 6034] <... setpgid resumed>) = 0 [pid 6035] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6034] <... openat resumed>) = 3 [pid 6035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6034] write(3, "1000", 4 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] <... unshare resumed>) = 0 [pid 6034] <... write resumed>) = 4 [pid 6035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6034] close(3 [pid 6028] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6034] <... close resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6035] <... mprotect resumed>) = 0 [pid 6034] write(1, "executing program\n", 18) = 18 [pid 6028] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6034] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6023] exit_group(0 [pid 6035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6028] <... futex resumed>) = ? [pid 6023] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6037 attached [pid 6028] +++ exited with 0 +++ [pid 6023] +++ exited with 0 +++ [pid 6037] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6034] <... futex resumed>) = 0 [pid 6037] <... rseq resumed>) = 0 [pid 6035] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 [pid 6037] set_robust_list(0x7f4033e329a0, 24 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] <... set_robust_list resumed>) = 0 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6035] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6035] <... futex resumed>) = 0 [pid 6035] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6034] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5824] <... restart_syscall resumed>) = 0 [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] <... mmap resumed>) = 0x7f4033e12000 [pid 6034] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6038 [pid 6034] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6038 attached [pid 6034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6040 attached [pid 6038] set_robust_list(0x5555576166a0, 24 [pid 6030] <... unshare resumed>) = 0 [pid 6034] <... clone3 resumed> => {parent_tid=[6040]}, 88) = 6040 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6040] <... rseq resumed>) = 0 [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6030] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... prctl resumed>) = 0 [pid 6038] setpgid(0, 0) = 0 [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] set_robust_list(0x7f4033e329a0, 24 [pid 6034] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6034] <... futex resumed>) = 0 [pid 6030] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] exit_group(0 [pid 6034] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6030] <... futex resumed>) = ? [pid 6025] <... exit_group resumed>) = ? [pid 6038] <... openat resumed>) = 3 [pid 6030] +++ exited with 0 +++ [pid 6035] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6025] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6038] write(3, "1000", 4) = 4 [pid 6038] close(3) = 0 executing program [pid 6038] write(1, "executing program\n", 18 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6038] <... write resumed>) = 18 [pid 6038] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6041 attached [pid 6038] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6041] set_robust_list(0x5555576166a0, 24 [pid 6038] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] <... prctl resumed>) = 0 [pid 6038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6041] setpgid(0, 0 [pid 6038] <... mmap resumed>) = 0x7f4033e12000 [pid 6038] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6041] <... setpgid resumed>) = 0 [pid 6038] <... mprotect resumed>) = 0 [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6041 ./strace-static-x86_64: Process 6042 attached [pid 6042] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6041] <... openat resumed>) = 3 [pid 6038] <... clone3 resumed> => {parent_tid=[6042]}, 88) = 6042 [pid 6042] <... rseq resumed>) = 0 [pid 6042] set_robust_list(0x7f4033e329a0, 24 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] write(3, "1000", 4 [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] <... write resumed>) = 4 [pid 6042] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6041] close(3 [pid 6038] <... futex resumed>) = 0 executing program [pid 6041] <... close resumed>) = 0 [pid 6038] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] write(1, "executing program\n", 18) = 18 [pid 6041] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6041] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6041] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6041] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6041] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6044 attached [pid 6044] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6041] <... clone3 resumed> => {parent_tid=[6044]}, 88) = 6044 [pid 6044] <... rseq resumed>) = 0 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] <... unshare resumed>) = 0 [pid 6044] set_robust_list(0x7f4033e329a0, 24 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] exit_group(0 [pid 6044] <... set_robust_list resumed>) = 0 [pid 6041] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 0 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] <... futex resumed>) = 0 [pid 6031] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6031] <... futex resumed>) = ? [pid 6029] <... exit_group resumed>) = ? [pid 6031] +++ exited with 0 +++ [pid 6029] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6038] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5819] <... restart_syscall resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6045 attached , child_tidptr=0x555557616690) = 6045 [pid 6045] set_robust_list(0x5555576166a0, 24) = 0 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6045] setpgid(0, 0) = 0 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6041] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6041] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6045] write(3, "1000", 4) = 4 executing program [pid 6045] close(3) = 0 [pid 6045] write(1, "executing program\n", 18) = 18 [pid 6045] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6045] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6037] <... unshare resumed>) = 0 [pid 6045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6045] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6040] <... unshare resumed>) = 0 [pid 6045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6037] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6037] <... futex resumed>) = 0 [pid 6037] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6048 attached [pid 6045] <... clone3 resumed> => {parent_tid=[6048]}, 88) = 6048 [pid 6035] exit_group(0 [pid 6048] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] <... exit_group resumed>) = ? [pid 6048] <... rseq resumed>) = 0 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6037] <... futex resumed>) = ? [pid 6048] set_robust_list(0x7f4033e329a0, 24 [pid 6045] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6040] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] +++ exited with 0 +++ [pid 6035] +++ exited with 0 +++ [pid 6034] exit_group(0 [pid 6045] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6040] <... futex resumed>) = ? [pid 6034] <... exit_group resumed>) = ? [pid 6048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6040] +++ exited with 0 +++ [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6049 attached [pid 6049] set_robust_list(0x5555576166a0, 24 [pid 6048] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6034] +++ exited with 0 +++ [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6049 [pid 6049] <... set_robust_list resumed>) = 0 executing program [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6049] setpgid(0, 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6049] <... setpgid resumed>) = 0 [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6049] write(3, "1000", 4) = 4 [pid 6049] close(3) = 0 [pid 6049] write(1, "executing program\n", 18) = 18 [pid 6049] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6049] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6042] <... unshare resumed>) = 0 [pid 6049] <... mmap resumed>) = 0x7f4033e12000 [pid 6049] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6042] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... clone3 resumed> => {parent_tid=[6051]}, 88) = 6051 ./strace-static-x86_64: Process 6051 attached [pid 6045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6042] <... futex resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6052 attached [pid 6051] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6042] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6049] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] exit_group(0 [pid 6052] set_robust_list(0x5555576166a0, 24 [pid 6051] <... rseq resumed>) = 0 [pid 6049] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6052 [pid 6049] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] <... exit_group resumed>) = ? [pid 6052] <... set_robust_list resumed>) = 0 [pid 6051] set_robust_list(0x7f4033e329a0, 24 [pid 6042] <... futex resumed>) = ? [pid 6042] +++ exited with 0 +++ [pid 6038] +++ exited with 0 +++ [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6051] <... set_robust_list resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6052] <... prctl resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6052] setpgid(0, 0) = 0 [pid 6051] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6052] write(3, "1000", 4 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6052] <... write resumed>) = 4 ./strace-static-x86_64: Process 6053 attached [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6053 [pid 6052] close(3 [pid 6053] set_robust_list(0x5555576166a0, 24 [pid 6052] <... close resumed>) = 0 [pid 6053] <... set_robust_list resumed>) = 0 executing program [pid 6052] write(1, "executing program\n", 18 [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] <... write resumed>) = 18 [pid 6053] <... prctl resumed>) = 0 [pid 6052] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6052] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6053] setpgid(0, 0 [pid 6052] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6053] <... setpgid resumed>) = 0 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... mmap resumed>) = 0x7f4033e12000 [pid 6053] <... openat resumed>) = 3 [pid 6052] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6053] write(3, "1000", 4 [pid 6052] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6053] <... write resumed>) = 4 [pid 6052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6054 attached [pid 6053] close(3) = 0 [pid 6052] <... clone3 resumed> => {parent_tid=[6054]}, 88) = 6054 [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053executing program [pid 6053] write(1, "executing program\n", 18 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] <... write resumed>) = 18 [pid 6052] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... rseq resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6054] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6053] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6053] <... futex resumed>) = 0 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6054] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6053] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6053] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6053] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6055 attached => {parent_tid=[6055]}, 88) = 6055 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6055] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] set_robust_list(0x7f4033e329a0, 24 [pid 6053] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6053] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6055] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6052] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6044] <... unshare resumed>) = 0 [pid 6044] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6044] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6041] exit_group(0 [pid 6044] <... futex resumed>) = ? [pid 6041] <... exit_group resumed>) = ? [pid 6044] +++ exited with 0 +++ [pid 6041] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6053] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5821] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6058 attached [pid 6048] <... unshare resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6058 [pid 6058] set_robust_list(0x5555576166a0, 24) = 0 [pid 6048] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6048] <... futex resumed>) = 0 [pid 6058] <... prctl resumed>) = 0 [pid 6048] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] setpgid(0, 0 [pid 6045] exit_group(0 [pid 6058] <... setpgid resumed>) = 0 [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] <... exit_group resumed>) = ? [pid 6048] <... futex resumed>) = ? [pid 6058] <... openat resumed>) = 3 [pid 6058] write(3, "1000", 4) = 4 [pid 6058] close(3executing program ) = 0 [pid 6058] write(1, "executing program\n", 18) = 18 [pid 6058] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] +++ exited with 0 +++ [pid 6045] +++ exited with 0 +++ [pid 6058] <... futex resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6058] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6058] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6058] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6059 attached => {parent_tid=[6059]}, 88) = 6059 [pid 6059] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] <... rseq resumed>) = 0 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] set_robust_list(0x7f4033e329a0, 24 [pid 6058] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... set_robust_list resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] <... futex resumed>) = 0 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6058] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6060 ./strace-static-x86_64: Process 6060 attached [pid 6060] set_robust_list(0x5555576166a0, 24) = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6060] setpgid(0, 0 [pid 6051] <... unshare resumed>) = 0 [pid 6060] <... setpgid resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... openat resumed>) = 3 [pid 6051] <... futex resumed>) = 0 [pid 6051] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] write(3, "1000", 4 [pid 6055] <... unshare resumed>) = 0 [pid 6049] exit_group(0) = ? [pid 6055] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... write resumed>) = 4 [pid 6058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6051] <... futex resumed>) = ? [pid 6053] exit_group(0 [pid 6055] <... futex resumed>) = 0 [pid 6055] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] +++ exited with 0 +++ [pid 6049] +++ exited with 0 +++ [pid 6060] close(3 [pid 6055] <... futex resumed>) = ? executing program [pid 6053] <... exit_group resumed>) = ? [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6060] <... close resumed>) = 0 [pid 6055] +++ exited with 0 +++ [pid 6054] <... unshare resumed>) = 0 [pid 6060] write(1, "executing program\n", 18) = 18 [pid 6060] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6054] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6052] exit_group(0./strace-static-x86_64: Process 6064 attached ) = ? [pid 6064] set_robust_list(0x5555576166a0, 24 [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6054] +++ exited with 0 +++ [pid 6053] +++ exited with 0 +++ [pid 6052] +++ exited with 0 +++ [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6064 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6064] <... set_robust_list resumed>) = 0 [pid 6060] <... mmap resumed>) = 0x7f4033e12000 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6060] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... prctl resumed>) = 0 [pid 6060] <... mprotect resumed>) = 0 [pid 6064] setpgid(0, 0 [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6059] <... unshare resumed>) = 0 [pid 6064] <... setpgid resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6059] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6059] <... futex resumed>) = 0 [pid 6059] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6067 attached [pid 6064] <... openat resumed>) = 3 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] write(3, "1000", 4 [pid 6060] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] set_robust_list(0x5555576166a0, 24 [pid 6064] <... write resumed>) = 4 [pid 6060] <... futex resumed>) = 0 [pid 6058] exit_group(0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6067 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6064] close(3 [pid 6060] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6064] <... close resumed>) = 0 [pid 6058] <... exit_group resumed>) = ? executing program [pid 6064] write(1, "executing program\n", 18 [pid 6067] <... prctl resumed>) = 0 [pid 6064] <... write resumed>) = 18 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6064] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6066 attached ./strace-static-x86_64: Process 6068 attached [pid 6067] setpgid(0, 0 [pid 6064] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = ? [pid 6068] set_robust_list(0x5555576166a0, 24 [pid 6067] <... setpgid resumed>) = 0 [pid 6064] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6059] +++ exited with 0 +++ [pid 6058] +++ exited with 0 +++ [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6068 [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6066] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6067] <... openat resumed>) = 3 [pid 6064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] write(3, "1000", 4 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6068] <... prctl resumed>) = 0 [pid 6067] <... write resumed>) = 4 [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] close(3 [pid 6064] <... mmap resumed>) = 0x7f4033e12000 [pid 6068] setpgid(0, 0 [pid 6064] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6068] <... setpgid resumed>) = 0 [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program [pid 6068] <... openat resumed>) = 3 [pid 6067] <... close resumed>) = 0 [pid 6064] <... mprotect resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6067] write(1, "executing program\n", 18) = 18 [pid 6068] write(3, "1000", 4 [pid 6067] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6068] <... write resumed>) = 4 [pid 6067] <... futex resumed>) = 0 [pid 6068] close(3 [pid 6064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6067] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6068] <... close resumed>) = 0 [pid 6064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] write(1, "executing program\n", 18 [pid 6067] <... rt_sigaction resumed>NULL, 8) = 0 executing program ./strace-static-x86_64: Process 6069 attached [pid 6068] <... write resumed>) = 18 [pid 6067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6064] <... clone3 resumed> => {parent_tid=[6069]}, 88) = 6069 ./strace-static-x86_64: Process 6070 attached [pid 6069] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] set_robust_list(0x5555576166a0, 24 [pid 6069] <... rseq resumed>) = 0 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] set_robust_list(0x7f4033e329a0, 24 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... prctl resumed>) = 0 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] <... mmap resumed>) = 0x7f4033e12000 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6067] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6064] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] setpgid(0, 0 [pid 6069] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6068] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6067] <... mprotect resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6070 [pid 6070] <... setpgid resumed>) = 0 [pid 6068] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] <... futex resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6064] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6071 attached [pid 6068] <... mmap resumed>) = 0x7f4033e12000 [pid 6068] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6067] <... clone3 resumed> => {parent_tid=[6071]}, 88) = 6071 [pid 6068] <... mprotect resumed>) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6070] <... openat resumed>) = 3 [pid 6068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... rseq resumed>) = 0 [pid 6070] write(3, "1000", 4 [pid 6068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6067] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] set_robust_list(0x7f4033e329a0, 24 [pid 6070] <... write resumed>) = 4 [pid 6068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6067] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6072 attached [pid 6071] <... set_robust_list resumed>) = 0 [pid 6070] close(3 [pid 6067] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... close resumed>) = 0 [pid 6068] <... clone3 resumed> => {parent_tid=[6072]}, 88) = 6072 [pid 6072] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6070] write(1, "executing program\n", 18 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6068] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6068] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6072] <... rseq resumed>) = 0 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] <... write resumed>) = 18 [pid 6071] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6070] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] set_robust_list(0x7f4033e329a0, 24 [pid 6070] <... futex resumed>) = 0 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6070] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6072] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6070] <... mmap resumed>) = 0x7f4033e12000 [pid 6070] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6070] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6073 attached [pid 6064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6070] <... clone3 resumed> => {parent_tid=[6073]}, 88) = 6073 [pid 6073] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6073] <... rseq resumed>) = 0 [pid 6073] set_robust_list(0x7f4033e329a0, 24 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6070] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] <... futex resumed>) = 0 [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6070] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6066] <... unshare resumed>) = 0 [pid 6066] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6060] exit_group(0) = ? [pid 6066] +++ exited with 0 +++ [pid 6060] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6075 attached [pid 6075] set_robust_list(0x5555576166a0, 24) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6075 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6075] setpgid(0, 0 [pid 6072] <... unshare resumed>) = 0 [pid 6075] <... setpgid resumed>) = 0 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] exit_group(0 [pid 6072] <... futex resumed>) = 0 [pid 6068] <... exit_group resumed>) = ? [pid 6075] <... openat resumed>) = 3 [pid 6075] write(3, "1000", 4executing program ) = 4 [pid 6075] close(3) = 0 [pid 6075] write(1, "executing program\n", 18) = 18 [pid 6071] <... unshare resumed>) = 0 [pid 6075] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6075] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6075] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6072] +++ exited with 0 +++ [pid 6071] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] +++ exited with 0 +++ [pid 6075] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6071] <... futex resumed>) = 0 [pid 6075] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6071] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] exit_group(0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6067] <... exit_group resumed>) = ? [pid 6071] <... futex resumed>) = ? [pid 5824] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6078 attached [pid 6075] <... clone3 resumed> => {parent_tid=[6078]}, 88) = 6078 [pid 6071] +++ exited with 0 +++ [pid 6067] +++ exited with 0 +++ [pid 5824] <... restart_syscall resumed>) = 0 [pid 6078] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6075] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6079 attached [pid 6078] set_robust_list(0x7f4033e329a0, 24 [pid 6075] <... futex resumed>) = 0 [pid 6073] <... unshare resumed>) = 0 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6073] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] exit_group(0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6079 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6073] <... futex resumed>) = 0 [pid 6075] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6073] ???( [pid 6078] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6073] <... ??? resumed>) = ? [pid 6070] <... exit_group resumed>) = ? [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6073] +++ exited with 0 +++ ./strace-static-x86_64: Process 6082 attached [pid 6082] set_robust_list(0x5555576166a0, 24 [pid 6079] set_robust_list(0x5555576166a0, 24 [pid 6070] +++ exited with 0 +++ [pid 6069] <... unshare resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6082 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6069] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6069] <... futex resumed>) = 0 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6082] <... prctl resumed>) = 0 [pid 6069] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] setpgid(0, 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6083 attached [pid 6082] <... setpgid resumed>) = 0 [pid 6079] <... prctl resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] setpgid(0, 0 [pid 6064] exit_group(0 [pid 6083] set_robust_list(0x5555576166a0, 24 [pid 6082] <... openat resumed>) = 3 [pid 6079] <... setpgid resumed>) = 0 [pid 6069] <... futex resumed>) = ? [pid 6064] <... exit_group resumed>) = ? [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] write(3, "1000", 4 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6069] +++ exited with 0 +++ [pid 6064] +++ exited with 0 +++ [pid 6082] <... write resumed>) = 4 [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] close(3executing program [pid 6079] <... openat resumed>) = 3 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6082] <... close resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6083 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6082] write(1, "executing program\n", 18) = 18 [pid 6082] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... prctl resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6079] write(3, "1000", 4 [pid 6083] setpgid(0, 0 [pid 6082] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6083] <... setpgid resumed>) = 0 [pid 6082] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6079] <... write resumed>) = 4 [pid 6082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... mmap resumed>) = 0x7f4033e12000 [pid 6079] close(3 [pid 6083] <... openat resumed>) = 3 [pid 6082] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6083] write(3, "1000", 4 [pid 6082] <... mprotect resumed>) = 0 [pid 6079] <... close resumed>) = 0 [pid 6083] <... write resumed>) = 4 [pid 6082] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6079] write(1, "executing program\n", 18 [pid 6083] close(3 [pid 6082] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 6083] <... close resumed>) = 0 [pid 6082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6079] <... write resumed>) = 18 [pid 6083] write(1, "executing program\n", 18 [pid 6079] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6084 attached [pid 6083] <... write resumed>) = 18 [pid 6079] <... futex resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6084] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6083] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... clone3 resumed> => {parent_tid=[6084]}, 88) = 6084 [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6084] <... rseq resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6079] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6084] set_robust_list(0x7f4033e329a0, 24 [pid 6083] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6085 attached [pid 6084] <... set_robust_list resumed>) = 0 [pid 6083] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6082] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... unshare resumed>) = 0 [pid 6075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6084] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6085] set_robust_list(0x5555576166a0, 24 [pid 6078] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6085 [pid 6082] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] exit_group(0 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6079] <... mmap resumed>) = 0x7f4033e12000 [pid 6075] <... exit_group resumed>) = ? [pid 6083] <... mmap resumed>) = 0x7f4033e12000 [pid 6079] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6085] <... prctl resumed>) = 0 [pid 6078] <... futex resumed>) = ? [pid 6085] setpgid(0, 0 [pid 6079] <... mprotect resumed>) = 0 [pid 6078] +++ exited with 0 +++ [pid 6075] +++ exited with 0 +++ [pid 6083] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6085] <... setpgid resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6083] <... mprotect resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6083] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6085] <... openat resumed>) = 3 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6087 attached [pid 6085] write(3, "1000", 4 [pid 6083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6087 ./strace-static-x86_64: Process 6088 attached [pid 6087] set_robust_list(0x5555576166a0, 24 [pid 6083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6087] <... set_robust_list resumed>) = 0 [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6085] <... write resumed>) = 4 ./strace-static-x86_64: Process 6089 attached [pid 6087] setpgid(0, 0 [pid 6085] close(3 [pid 6088] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6087] <... setpgid resumed>) = 0 [pid 6089] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6088] <... rseq resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] <... close resumed>) = 0 [pid 6083] <... clone3 resumed> => {parent_tid=[6089]}, 88) = 6089 [pid 6079] <... clone3 resumed> => {parent_tid=[6088]}, 88) = 6088 executing program [pid 6089] <... rseq resumed>) = 0 [pid 6088] set_robust_list(0x7f4033e329a0, 24 [pid 6087] <... openat resumed>) = 3 [pid 6085] write(1, "executing program\n", 18 [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] <... write resumed>) = 18 [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6089] set_robust_list(0x7f4033e329a0, 24 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6087] write(3, "1000", 4 [pid 6085] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6083] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6079] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] <... write resumed>) = 4 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] close(3 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6087] <... close resumed>) = 0 [pid 6089] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6087] write(1, "executing program\n", 18) = 18 [pid 6085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6087] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6087] <... futex resumed>) = 0 [pid 6087] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6085] <... mprotect resumed>) = 0 [pid 6087] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6087] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6090]}, 88) = 6090 ./strace-static-x86_64: Process 6090 attached [pid 6087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6087] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6087] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6090] <... rseq resumed>) = 0 [pid 6082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6091 attached [pid 6090] set_robust_list(0x7f4033e329a0, 24 [pid 6085] <... clone3 resumed> => {parent_tid=[6091]}, 88) = 6091 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6085] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] <... rseq resumed>) = 0 [pid 6090] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6091] set_robust_list(0x7f4033e329a0, 24 [pid 6083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6091] <... set_robust_list resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6091] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6084] <... unshare resumed>) = 0 [pid 6084] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6084] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] exit_group(0 [pid 6084] <... futex resumed>) = ? [pid 6082] <... exit_group resumed>) = ? [pid 6087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6084] +++ exited with 0 +++ [pid 6082] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6093 attached [pid 6085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6093] set_robust_list(0x5555576166a0, 24 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6093 [pid 6093] <... set_robust_list resumed>) = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6093] setpgid(0, 0) = 0 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6093] write(3, "1000", 4) = 4 [pid 6093] close(3) = 0 executing program [pid 6093] write(1, "executing program\n", 18) = 18 [pid 6093] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6093] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6093] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6089] <... unshare resumed>) = 0 [pid 6089] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] exit_group(0 [pid 6089] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 6083] <... exit_group resumed>) = ? [pid 6089] +++ exited with 0 +++ [pid 6083] +++ exited with 0 +++ [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6095 attached [pid 5821] <... restart_syscall resumed>) = 0 [pid 6095] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6093] <... clone3 resumed> => {parent_tid=[6095]}, 88) = 6095 [pid 6095] <... rseq resumed>) = 0 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] set_robust_list(0x7f4033e329a0, 24 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6096 attached [pid 6095] <... set_robust_list resumed>) = 0 [pid 6093] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] set_robust_list(0x5555576166a0, 24 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6093] <... futex resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6096 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6096] <... prctl resumed>) = 0 [pid 6093] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... unshare resumed>) = 0 [pid 6096] setpgid(0, 0) = 0 [pid 6088] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] exit_group(0 [pid 6088] <... futex resumed>) = ? [pid 6079] <... exit_group resumed>) = ? executing program [pid 6096] <... openat resumed>) = 3 [pid 6096] write(3, "1000", 4) = 4 [pid 6096] close(3) = 0 [pid 6096] write(1, "executing program\n", 18) = 18 [pid 6096] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... unshare resumed>) = 0 [pid 6088] +++ exited with 0 +++ [pid 6079] +++ exited with 0 +++ [pid 6096] <... futex resumed>) = 0 [pid 6090] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6096] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6090] <... futex resumed>) = 0 [pid 6096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6090] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6087] exit_group(0 [pid 6096] <... mmap resumed>) = 0x7f4033e12000 [pid 6090] <... futex resumed>) = ? [pid 6087] <... exit_group resumed>) = ? [pid 6096] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6090] +++ exited with 0 +++ [pid 6087] +++ exited with 0 +++ [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] <... mprotect resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 6099 attached [pid 6096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6099] set_robust_list(0x5555576166a0, 24 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6099 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6099] setpgid(0, 0 [pid 6096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6099] <... setpgid resumed>) = 0 [pid 6096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6100 attached => {parent_tid=[6100]}, 88) = 6100 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6096] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6096] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] <... rseq resumed>) = 0 [pid 6100] set_robust_list(0x7f4033e329a0, 24 [pid 6099] <... openat resumed>) = 3 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] write(3, "1000", 4 [pid 6093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] <... write resumed>) = 4 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] close(3 [pid 6100] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program [pid 6099] <... close resumed>) = 0 [pid 6099] write(1, "executing program\n", 18) = 18 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6101 attached [pid 6099] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6101 [pid 6099] <... futex resumed>) = 0 [pid 6099] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6101] set_robust_list(0x5555576166a0, 24 [pid 6099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6099] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6099] <... mprotect resumed>) = 0 [pid 6101] <... prctl resumed>) = 0 [pid 6101] setpgid(0, 0) = 0 [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6101] <... openat resumed>) = 3 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6101] write(3, "1000", 4 [pid 6096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6101] <... write resumed>) = 4 [pid 6101] close(3./strace-static-x86_64: Process 6102 attached ) = 0 executing program [pid 6102] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6101] write(1, "executing program\n", 18 [pid 6102] <... rseq resumed>) = 0 [pid 6101] <... write resumed>) = 18 [pid 6099] <... clone3 resumed> => {parent_tid=[6102]}, 88) = 6102 [pid 6102] set_robust_list(0x7f4033e329a0, 24 [pid 6101] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6102] <... set_robust_list resumed>) = 0 [pid 6101] <... futex resumed>) = 0 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6099] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6102] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6099] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6101] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6103 attached => {parent_tid=[6103]}, 88) = 6103 [pid 6103] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6103] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] rt_sigprocmask(SIG_SETMASK, [], [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6091] <... unshare resumed>) = 0 [pid 6091] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6091] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] exit_group(0 [pid 6091] <... futex resumed>) = ? [pid 6085] <... exit_group resumed>) = ? [pid 6091] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6105 attached , child_tidptr=0x555557616690) = 6105 [pid 6105] set_robust_list(0x5555576166a0, 24) = 0 [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6105] setpgid(0, 0) = 0 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6105] write(3, "1000", 4) = 4 [pid 6105] close(3) = 0 executing program [pid 6105] write(1, "executing program\n", 18) = 18 [pid 6105] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6105] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6105] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6106]}, 88) = 6106 ./strace-static-x86_64: Process 6106 attached [pid 6106] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] <... rseq resumed>) = 0 [pid 6106] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6106] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6105] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... futex resumed>) = 0 [pid 6106] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6102] <... unshare resumed>) = 0 [pid 6102] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] exit_group(0 [pid 6102] <... futex resumed>) = 0 [pid 6099] <... exit_group resumed>) = ? [pid 6102] +++ exited with 0 +++ [pid 6100] <... unshare resumed>) = 0 [pid 6099] +++ exited with 0 +++ [pid 6095] <... unshare resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6100] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6110 attached [pid 6105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6100] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] exit_group(0 [pid 6095] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6110] set_robust_list(0x5555576166a0, 24 [pid 6100] <... futex resumed>) = ? [pid 6096] <... exit_group resumed>) = ? [pid 6093] exit_group(0) = ? [pid 6095] <... futex resumed>) = ? [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6110 [pid 6110] <... set_robust_list resumed>) = 0 [pid 6100] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6110] <... prctl resumed>) = 0 [pid 6110] setpgid(0, 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6112 attached ./strace-static-x86_64: Process 6111 attached [pid 6110] <... setpgid resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6112 [pid 6111] set_robust_list(0x5555576166a0, 24 [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6111 [pid 6110] <... openat resumed>) = 3 executing program [pid 6110] write(3, "1000", 4 [pid 6112] set_robust_list(0x5555576166a0, 24 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6110] <... write resumed>) = 4 [pid 6103] <... unshare resumed>) = 0 [pid 6110] close(3) = 0 [pid 6110] write(1, "executing program\n", 18) = 18 [pid 6110] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6103] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6103] <... futex resumed>) = 0 [pid 6101] exit_group(0 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6110] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6101] <... exit_group resumed>) = ? [pid 6110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6103] +++ exited with 0 +++ [pid 6101] +++ exited with 0 +++ [pid 6112] <... set_robust_list resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6110] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... prctl resumed>) = 0 [pid 6110] <... mprotect resumed>) = 0 [pid 6110] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6114 attached => {parent_tid=[6114]}, 88) = 6114 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6111] setpgid(0, 0 [pid 6112] <... prctl resumed>) = 0 [pid 6111] <... setpgid resumed>) = 0 [pid 6114] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6110] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... rseq resumed>) = 0 [pid 6110] <... futex resumed>) = 0 [pid 6114] set_robust_list(0x7f4033e329a0, 24 [pid 6112] setpgid(0, 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6110] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... set_robust_list resumed>) = 0 [pid 6112] <... setpgid resumed>) = 0 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] <... openat resumed>) = 3 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] <... unshare resumed>) = 0 [pid 6114] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6112] <... openat resumed>) = 3 [pid 6111] write(3, "1000", 4) = 4 [pid 6112] write(3, "1000", 4 [pid 6106] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6106] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] <... write resumed>) = 4 [pid 6111] close(3 [pid 6112] close(3) = 0 [pid 6111] <... close resumed>) = 0 executing program executing program [pid 6112] write(1, "executing program\n", 18 [pid 6111] write(1, "executing program\n", 18 [pid 6105] exit_group(0) = ? [pid 6106] <... futex resumed>) = ? [pid 6106] +++ exited with 0 +++ [pid 6105] +++ exited with 0 +++ [pid 6111] <... write resumed>) = 18 [pid 6112] <... write resumed>) = 18 [pid 6112] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6111] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6111] <... futex resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6111] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, ./strace-static-x86_64: Process 6116 attached [pid 6112] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6111] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6116] set_robust_list(0x5555576166a0, 24./strace-static-x86_64: Process 6117 attached [pid 6112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6116 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6117] set_robust_list(0x5555576166a0, 24 [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] <... set_robust_list resumed>) = 0 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] <... prctl resumed>) = 0 [pid 6116] setpgid(0, 0 [pid 6117] <... prctl resumed>) = 0 [pid 6117] setpgid(0, 0 [pid 6116] <... setpgid resumed>) = 0 [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6117 [pid 6117] <... setpgid resumed>) = 0 [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6116] <... openat resumed>) = 3 [pid 6112] <... mmap resumed>) = 0x7f4033e12000 [pid 6111] <... mmap resumed>) = 0x7f4033e12000 [pid 6117] <... openat resumed>) = 3 [pid 6112] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6111] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6116] write(3, "1000", 4 [pid 6117] write(3, "1000", 4 [pid 6116] <... write resumed>) = 4 [pid 6111] <... mprotect resumed>) = 0 executing program [pid 6117] <... write resumed>) = 4 [pid 6116] close(3 [pid 6117] close(3 [pid 6116] <... close resumed>) = 0 [pid 6111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6112] <... mprotect resumed>) = 0 [pid 6111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6117] <... close resumed>) = 0 [pid 6116] write(1, "executing program\n", 18) = 18 [pid 6112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program [pid 6116] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6117] write(1, "executing program\n", 18 [pid 6116] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6118 attached [pid 6117] <... write resumed>) = 18 [pid 6116] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6118] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6117] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6117] <... futex resumed>) = 0 [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6117] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6119 attached [pid 6118] <... rseq resumed>) = 0 [pid 6116] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6111] <... clone3 resumed> => {parent_tid=[6118]}, 88) = 6118 [pid 6116] <... mprotect resumed>) = 0 [pid 6116] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6116] <... clone3 resumed> => {parent_tid=[6120]}, 88) = 6120 [pid 6117] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6116] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6120 attached [pid 6119] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6118] set_robust_list(0x7f4033e329a0, 24 [pid 6117] <... mprotect resumed>) = 0 [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] <... clone3 resumed> => {parent_tid=[6119]}, 88) = 6119 [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6119] <... rseq resumed>) = 0 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6116] <... futex resumed>) = 0 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... rseq resumed>) = 0 [pid 6119] set_robust_list(0x7f4033e329a0, 24 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6116] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6121]}, 88) = 6121 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6117] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6117] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6118] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6121 attached [pid 6120] set_robust_list(0x7f4033e329a0, 24 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6111] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6119] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... rseq resumed>) = 0 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6118] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] set_robust_list(0x7f4033e329a0, 24 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6118] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6112] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6121] <... set_robust_list resumed>) = 0 [pid 6119] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = 1 [pid 6121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6112] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6119] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6111] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6114] <... unshare resumed>) = 0 [pid 6114] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] exit_group(0 [pid 6114] <... futex resumed>) = 0 [pid 6110] <... exit_group resumed>) = ? [pid 6114] +++ exited with 0 +++ [pid 6110] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6123 ./strace-static-x86_64: Process 6123 attached [pid 6123] set_robust_list(0x5555576166a0, 24) = 0 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6123] setpgid(0, 0) = 0 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6123] write(3, "1000", 4) = 4 [pid 6123] close(3) = 0 executing program [pid 6123] write(1, "executing program\n", 18) = 18 [pid 6123] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6123] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6119] <... unshare resumed>) = 0 [pid 6123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6119] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6119] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] <... unshare resumed>) = 0 [pid 6120] <... unshare resumed>) = 0 [pid 6112] exit_group(0 [pid 6119] <... futex resumed>) = ? [pid 6119] +++ exited with 0 +++ [pid 6112] <... exit_group resumed>) = ? [pid 6123] <... mmap resumed>) = 0x7f4033e12000 [pid 6120] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6120] <... futex resumed>) = 0 [pid 6123] <... mprotect resumed>) = 0 [pid 6120] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6116] exit_group(0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6123] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6116] <... exit_group resumed>) = ? [pid 6123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6120] <... futex resumed>) = ? ./strace-static-x86_64: Process 6128 attached [pid 6118] <... unshare resumed>) = 0 [pid 6128] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6123] <... clone3 resumed> => {parent_tid=[6128]}, 88) = 6128 [pid 6128] <... rseq resumed>) = 0 [pid 6123] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] +++ exited with 0 +++ [pid 6118] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] exit_group(0 [pid 6116] +++ exited with 0 +++ [pid 5821] <... restart_syscall resumed>) = 0 [pid 6128] set_robust_list(0x7f4033e329a0, 24 [pid 6123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... futex resumed>) = ? [pid 6118] <... futex resumed>) = 0 [pid 6117] <... exit_group resumed>) = ? [pid 6128] <... set_robust_list resumed>) = 0 [pid 6123] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6116, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 6123] <... futex resumed>) = 0 [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] +++ exited with 0 +++ [pid 6111] exit_group(0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6129 attached [pid 6128] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6118] <... futex resumed>) = ? [pid 6111] <... exit_group resumed>) = ? [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6130 attached [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6118] +++ exited with 0 +++ [pid 6111] +++ exited with 0 +++ [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6130 [pid 6130] set_robust_list(0x5555576166a0, 24 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6130] <... set_robust_list resumed>) = 0 [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6130] <... prctl resumed>) = 0 [pid 6130] setpgid(0, 0) = 0 [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6129] set_robust_list(0x5555576166a0, 24 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6129 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6130] <... openat resumed>) = 3 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6129] setpgid(0, 0) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6132 attached [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6131 attached [pid 6130] write(3, "1000", 4 [pid 6131] set_robust_list(0x5555576166a0, 24 [pid 6130] <... write resumed>) = 4 [pid 6129] <... openat resumed>) = 3 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6130] close(3 [pid 6129] write(3, "1000", 4 [pid 6130] <... close resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6131 [pid 6132] set_robust_list(0x5555576166a0, 24executing program [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] write(1, "executing program\n", 18 [pid 6129] <... write resumed>) = 4 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6131] <... prctl resumed>) = 0 [pid 6130] <... write resumed>) = 18 [pid 6129] close(3 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6132 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6131] setpgid(0, 0 [pid 6130] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... close resumed>) = 0 [pid 6132] <... prctl resumed>) = 0 executing program [pid 6132] setpgid(0, 0 [pid 6131] <... setpgid resumed>) = 0 [pid 6130] <... futex resumed>) = 0 [pid 6129] write(1, "executing program\n", 18 [pid 6130] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6129] <... write resumed>) = 18 [pid 6132] <... setpgid resumed>) = 0 [pid 6130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6129] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6129] <... futex resumed>) = 0 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6129] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6132] <... openat resumed>) = 3 [pid 6130] <... mmap resumed>) = 0x7f4033e12000 [pid 6130] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6132] write(3, "1000", 4 [pid 6131] <... openat resumed>) = 3 [pid 6130] <... mprotect resumed>) = 0 [pid 6132] <... write resumed>) = 4 executing program [pid 6131] write(3, "1000", 4 [pid 6130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6132] close(3 [pid 6131] <... write resumed>) = 4 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] close(3 [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6131] <... close resumed>) = 0 [pid 6129] <... mmap resumed>) = 0x7f4033e12000 [pid 6131] write(1, "executing program\n", 18 [pid 6129] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6131] <... write resumed>) = 18 [pid 6132] <... close resumed>) = 0 [pid 6131] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... mprotect resumed>) = 0 [pid 6131] <... futex resumed>) = 0 executing program [pid 6132] write(1, "executing program\n", 18 [pid 6131] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6132] <... write resumed>) = 18 [pid 6131] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6129] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6133 attached [pid 6132] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6133] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6132] <... futex resumed>) = 0 [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6134 attached [pid 6133] <... rseq resumed>) = 0 [pid 6132] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6134] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6133] set_robust_list(0x7f4033e329a0, 24 [pid 6132] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6130] <... clone3 resumed> => {parent_tid=[6133]}, 88) = 6133 [pid 6134] <... rseq resumed>) = 0 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6131] <... mmap resumed>) = 0x7f4033e12000 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6129] <... clone3 resumed> => {parent_tid=[6134]}, 88) = 6134 [pid 6134] set_robust_list(0x7f4033e329a0, 24 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], [pid 6134] <... set_robust_list resumed>) = 0 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6131] <... mprotect resumed>) = 0 [pid 6130] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6132] <... mmap resumed>) = 0x7f4033e12000 [pid 6131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6130] <... futex resumed>) = 0 [pid 6129] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6132] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6130] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6134] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6132] <... mprotect resumed>) = 0 [pid 6131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6132] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6129] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6135 attached [pid 6132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6135] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6131] <... clone3 resumed> => {parent_tid=[6135]}, 88) = 6135 [pid 6128] <... unshare resumed>) = 0 [pid 6135] <... rseq resumed>) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6128] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] exit_group(0 [pid 6135] set_robust_list(0x7f4033e329a0, 24 [pid 6132] <... clone3 resumed> => {parent_tid=[6137]}, 88) = 6137 [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] <... exit_group resumed>) = ? [pid 6128] <... futex resumed>) = ? [pid 6132] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6137 attached NULL, 8) = 0 [pid 6137] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6137] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] <... set_robust_list resumed>) = 0 [pid 6132] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] +++ exited with 0 +++ [pid 6123] +++ exited with 0 +++ [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6132] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6135] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6137] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6138 attached , child_tidptr=0x555557616690) = 6138 [pid 6138] set_robust_list(0x5555576166a0, 24) = 0 [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6138] setpgid(0, 0) = 0 [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6134] <... unshare resumed>) = 0 [pid 6132] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6138] write(3, "1000", 4 [pid 6134] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6138] <... write resumed>) = 4 [pid 6134] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6138] close(3) = 0 [pid 6129] exit_group(0 [pid 6138] write(1, "executing program\n", 18 [pid 6134] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? [pid 6138] <... write resumed>) = 18 executing program [pid 6138] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] +++ exited with 0 +++ [pid 6129] +++ exited with 0 +++ [pid 6138] <... futex resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6138] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6133] <... unshare resumed>) = 0 [pid 6138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6138] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6141 attached [], 8) = 0 [pid 6138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6133] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] set_robust_list(0x5555576166a0, 24 [pid 6133] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6142 attached [pid 6141] <... set_robust_list resumed>) = 0 [pid 6138] <... clone3 resumed> => {parent_tid=[6142]}, 88) = 6142 [pid 6133] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] exit_group(0 [pid 6142] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] <... exit_group resumed>) = ? [pid 6133] <... futex resumed>) = ? [pid 6142] <... rseq resumed>) = 0 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] +++ exited with 0 +++ [pid 6142] set_robust_list(0x7f4033e329a0, 24 [pid 6138] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6142] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6141 [pid 6141] <... prctl resumed>) = 0 [pid 6141] setpgid(0, 0) = 0 [pid 6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6141] write(3, "1000", 4) = 4 [pid 6141] close(3) = 0 [pid 6141] write(1, "executing program\n", 18) = 18 [pid 6141] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6141] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6141] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6141] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6143 attached => {parent_tid=[6143]}, 88) = 6143 [pid 6130] +++ exited with 0 +++ [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6130, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6143] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6141] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... rseq resumed>) = 0 [pid 6141] <... futex resumed>) = 0 [pid 6143] set_robust_list(0x7f4033e329a0, 24 [pid 6141] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... set_robust_list resumed>) = 0 [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] <... restart_syscall resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6143] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6144 ./strace-static-x86_64: Process 6144 attached [pid 6144] set_robust_list(0x5555576166a0, 24) = 0 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6144] setpgid(0, 0) = 0 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6144] write(3, "1000", 4 [pid 6138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6144] <... write resumed>) = 4 [pid 6144] close(3) = 0 executing program [pid 6144] write(1, "executing program\n", 18) = 18 [pid 6144] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6144] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6144] <... mmap resumed>) = 0x7f4033e12000 [pid 6144] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6135] <... unshare resumed>) = 0 [pid 6144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6146 attached => {parent_tid=[6146]}, 88) = 6146 [pid 6135] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6135] <... futex resumed>) = 0 [pid 6146] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6135] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... rseq resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6137] <... unshare resumed>) = 0 [pid 6131] exit_group(0) = ? [pid 6146] set_robust_list(0x7f4033e329a0, 24 [pid 6144] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6137] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] <... futex resumed>) = ? [pid 6146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6132] exit_group(0 [pid 6137] <... futex resumed>) = ? [pid 6132] <... exit_group resumed>) = ? [pid 6146] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6137] +++ exited with 0 +++ [pid 6132] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6135] +++ exited with 0 +++ [pid 6131] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6143] <... unshare resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6143] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... unshare resumed>) = 0 [pid 6141] exit_group(0 [pid 6142] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... exit_group resumed>) = ? [pid 6143] <... futex resumed>) = ? [pid 6142] <... futex resumed>) = 0 [pid 6143] +++ exited with 0 +++ [pid 6141] +++ exited with 0 +++ [pid 6142] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6138] exit_group(0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6142] <... futex resumed>) = ? [pid 6138] <... exit_group resumed>) = ? [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6150 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6141, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6142] +++ exited with 0 +++ [pid 6138] +++ exited with 0 +++ [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6138, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6151 attached ./strace-static-x86_64: Process 6152 attached ./strace-static-x86_64: Process 6150 attached [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6151] set_robust_list(0x5555576166a0, 24 [pid 6144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5824] <... restart_syscall resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6151 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6152 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6152] set_robust_list(0x5555576166a0, 24 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] set_robust_list(0x5555576166a0, 24 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6153 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6153 attached [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6151] <... prctl resumed>) = 0 [pid 6150] <... prctl resumed>) = 0 [pid 6153] set_robust_list(0x5555576166a0, 24 [pid 6150] setpgid(0, 0 [pid 6151] setpgid(0, 0 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] <... prctl resumed>) = 0 [pid 6151] <... setpgid resumed>) = 0 [pid 6150] <... setpgid resumed>) = 0 [pid 6152] setpgid(0, 0 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6152] <... setpgid resumed>) = 0 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6150] <... openat resumed>) = 3 [pid 6146] <... unshare resumed>) = 0 [pid 6153] <... prctl resumed>) = 0 [pid 6153] setpgid(0, 0 [pid 6150] write(3, "1000", 4 [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] <... setpgid resumed>) = 0 [pid 6150] <... write resumed>) = 4 [pid 6151] <... openat resumed>) = 3 [pid 6150] close(3 [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6150] <... close resumed>) = 0 [pid 6150] write(1, "executing program\n", 18executing program ) = 18 [pid 6151] write(3, "1000", 4 [pid 6146] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... openat resumed>) = 3 [pid 6150] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6151] <... write resumed>) = 4 [pid 6150] <... futex resumed>) = 0 [pid 6146] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] exit_group(0 [pid 6152] <... openat resumed>) = 3 [pid 6146] <... futex resumed>) = ? [pid 6144] <... exit_group resumed>) = ? executing program [pid 6153] write(3, "1000", 4 [pid 6152] write(3, "1000", 4 [pid 6151] close(3 [pid 6150] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6146] +++ exited with 0 +++ [pid 6144] +++ exited with 0 +++ [pid 6153] <... write resumed>) = 4 [pid 6152] <... write resumed>) = 4 [pid 6151] <... close resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6153] close(3 [pid 6152] close(3 [pid 6151] write(1, "executing program\n", 18 [pid 6150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6153] <... close resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6151] <... write resumed>) = 18 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6152] write(1, "executing program\n", 18executing program ) = 18 [pid 6151] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6153] write(1, "executing program\n", 18 [pid 6152] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = 0 [pid 6150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6155 attached [pid 6153] <... write resumed>) = 18 [pid 6152] <... futex resumed>) = 0 [pid 6151] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6153] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6150] <... mmap resumed>) = 0x7f4033e12000 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6155 [pid 6155] set_robust_list(0x5555576166a0, 24 [pid 6153] <... futex resumed>) = 0 [pid 6152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6155] <... set_robust_list resumed>) = 0 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... mprotect resumed>) = 0 [pid 6151] <... mmap resumed>) = 0x7f4033e12000 [pid 6151] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6151] <... mprotect resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6152] <... mmap resumed>) = 0x7f4033e12000 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6152] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6155] <... prctl resumed>) = 0 [pid 6153] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6152] <... mprotect resumed>) = 0 [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6155] setpgid(0, 0./strace-static-x86_64: Process 6156 attached [pid 6156] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6150] <... clone3 resumed> => {parent_tid=[6156]}, 88) = 6156 [pid 6156] set_robust_list(0x7f4033e329a0, 24 [pid 6155] <... setpgid resumed>) = 0 [pid 6153] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6156] <... set_robust_list resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6150] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6157 attached [pid 6156] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6157] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6151] <... clone3 resumed> => {parent_tid=[6157]}, 88) = 6157 [pid 6150] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6158 attached NULL, 8) = 0 [pid 6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... clone3 resumed> => {parent_tid=[6158]}, 88) = 6158 [pid 6153] <... mmap resumed>) = 0x7f4033e12000 [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6157] <... rseq resumed>) = 0 [pid 6155] <... openat resumed>) = 3 [pid 6153] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6158] <... rseq resumed>) = 0 [pid 6157] set_robust_list(0x7f4033e329a0, 24 [pid 6158] set_robust_list(0x7f4033e329a0, 24 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6155] write(3, "1000", 4 [pid 6153] <... mprotect resumed>) = 0 [pid 6152] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... set_robust_list resumed>) = 0 [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 6152] <... futex resumed>) = 0 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6152] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6157] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6155] <... write resumed>) = 4 [pid 6153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6158] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6155] close(3) = 0 [pid 6153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program [pid 6155] write(1, "executing program\n", 18 [pid 6153] <... clone3 resumed> => {parent_tid=[6159]}, 88) = 6159 ./strace-static-x86_64: Process 6159 attached [pid 6155] <... write resumed>) = 18 [pid 6153] rt_sigprocmask(SIG_SETMASK, [], [pid 6159] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6159] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6159] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 1 [pid 6153] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 0 [pid 6155] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6159] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6155] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6155] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6160]}, 88) = 6160 ./strace-static-x86_64: Process 6160 attached [pid 6155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6160] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6155] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] set_robust_list(0x7f4033e329a0, 24 [pid 6155] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6160] <... set_robust_list resumed>) = 0 [pid 6155] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6160] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6156] <... unshare resumed>) = 0 [pid 6156] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6150] exit_group(0) = ? [pid 6157] <... unshare resumed>) = 0 [pid 6156] <... futex resumed>) = ? [pid 6155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6156] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6150, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6157] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6157] <... futex resumed>) = 0 [pid 6157] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] exit_group(0 [pid 6157] <... futex resumed>) = ? [pid 6151] <... exit_group resumed>) = ? [pid 6157] +++ exited with 0 +++ [pid 6151] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5826] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6163 attached [pid 6158] <... unshare resumed>) = 0 [pid 6158] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6163 [pid 6158] <... futex resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6165 attached [pid 6163] set_robust_list(0x5555576166a0, 24 [pid 6158] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] <... set_robust_list resumed>) = 0 [pid 6152] exit_group(0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6165 [pid 6165] set_robust_list(0x5555576166a0, 24 [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] <... futex resumed>) = ? [pid 6152] <... exit_group resumed>) = ? [pid 6165] <... set_robust_list resumed>) = 0 [pid 6163] <... prctl resumed>) = 0 [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] setpgid(0, 0 [pid 6165] <... prctl resumed>) = 0 [pid 6163] <... setpgid resumed>) = 0 [pid 6165] setpgid(0, 0 [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6165] <... setpgid resumed>) = 0 [pid 6163] <... openat resumed>) = 3 [pid 6158] +++ exited with 0 +++ [pid 6152] +++ exited with 0 +++ [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] write(3, "1000", 4 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6152, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6163] <... write resumed>) = 4 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6163] close(3) = 0 [pid 6165] <... openat resumed>) = 3 executing program [pid 6163] write(1, "executing program\n", 18 [pid 6165] write(3, "1000", 4 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6165] <... write resumed>) = 4 [pid 6163] <... write resumed>) = 18 [pid 6165] close(3 [pid 6163] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6165] <... close resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6166 attached [pid 6165] write(1, "executing program\n", 18 [pid 6163] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6166 [pid 6165] <... write resumed>) = 18 [pid 6166] set_robust_list(0x5555576166a0, 24 [pid 6163] <... mmap resumed>) = 0x7f4033e12000 [pid 6165] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6163] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6165] <... futex resumed>) = 0 [pid 6165] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6166] <... prctl resumed>) = 0 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6167 attached [pid 6166] setpgid(0, 0 [pid 6167] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6163] <... clone3 resumed> => {parent_tid=[6167]}, 88) = 6167 [pid 6167] <... rseq resumed>) = 0 [pid 6167] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] <... setpgid resumed>) = 0 [pid 6165] <... mmap resumed>) = 0x7f4033e12000 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6167] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6165] <... mprotect resumed>) = 0 [pid 6163] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... openat resumed>) = 3 [pid 6165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6163] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6163] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6166] write(3, "1000", 4 [pid 6165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program ./strace-static-x86_64: Process 6168 attached [pid 6166] <... write resumed>) = 4 [pid 6166] close(3 [pid 6165] <... clone3 resumed> => {parent_tid=[6168]}, 88) = 6168 [pid 6166] <... close resumed>) = 0 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] write(1, "executing program\n", 18 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6166] <... write resumed>) = 18 [pid 6165] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6166] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = 0 [pid 6168] <... rseq resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] set_robust_list(0x7f4033e329a0, 24 [pid 6166] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6168] <... set_robust_list resumed>) = 0 [pid 6166] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6166] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6169 attached => {parent_tid=[6169]}, 88) = 6169 [pid 6169] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], [pid 6169] <... rseq resumed>) = 0 [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6169] set_robust_list(0x7f4033e329a0, 24 [pid 6166] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6169] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6169] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6166] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6159] <... unshare resumed>) = 0 [pid 6159] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] exit_group(0 [pid 6159] <... futex resumed>) = ? [pid 6153] <... exit_group resumed>) = ? [pid 6159] +++ exited with 0 +++ [pid 6153] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6153, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6171 attached , child_tidptr=0x555557616690) = 6171 [pid 6171] set_robust_list(0x5555576166a0, 24) = 0 [pid 6171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6167] <... unshare resumed>) = 0 [pid 6171] setpgid(0, 0) = 0 [pid 6171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6167] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... openat resumed>) = 3 [pid 6167] <... futex resumed>) = 0 [pid 6163] exit_group(0) = ? [pid 6171] write(3, "1000", 4executing program ) = 4 [pid 6171] close(3) = 0 [pid 6167] +++ exited with 0 +++ [pid 6163] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6171] write(1, "executing program\n", 18) = 18 [pid 6171] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6171] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6171] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6173 attached [pid 5826] <... restart_syscall resumed>) = 0 [pid 6160] <... unshare resumed>) = 0 [pid 6160] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6160] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6155] exit_group(0 [pid 6173] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6171] <... clone3 resumed> => {parent_tid=[6173]}, 88) = 6173 [pid 6173] <... rseq resumed>) = 0 [pid 6171] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] set_robust_list(0x7f4033e329a0, 24 [pid 6171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6173] <... set_robust_list resumed>) = 0 [pid 6171] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6171] <... futex resumed>) = 0 [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET./strace-static-x86_64: Process 6175 attached [pid 6160] <... futex resumed>) = ? [pid 6155] <... exit_group resumed>) = ? [pid 6160] +++ exited with 0 +++ [pid 6155] +++ exited with 0 +++ [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6175 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6175] set_robust_list(0x5555576166a0, 24 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6176 attached [pid 6175] <... set_robust_list resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6176 [pid 6176] set_robust_list(0x5555576166a0, 24 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] <... prctl resumed>) = 0 [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] setpgid(0, 0) = 0 [pid 6176] <... prctl resumed>) = 0 [pid 6176] setpgid(0, 0) = 0 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6175] <... openat resumed>) = 3 [pid 6171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6169] <... unshare resumed>) = 0 [pid 6175] write(3, "1000", 4) = 4 [pid 6175] close(3executing program ) = 0 [pid 6176] write(3, "1000", 4 [pid 6175] write(1, "executing program\n", 18 [pid 6169] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... write resumed>) = 18 [pid 6169] <... futex resumed>) = 0 [pid 6175] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... write resumed>) = 4 [pid 6175] <... futex resumed>) = 0 [pid 6169] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] close(3 [pid 6175] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6166] exit_group(0) = ? [pid 6169] <... futex resumed>) = ? [pid 6176] <... close resumed>) = 0 [pid 6175] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6176] write(1, "executing program\n", 18 [pid 6175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6168] <... unshare resumed>) = 0 [pid 6169] +++ exited with 0 +++ [pid 6166] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6168] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... write resumed>) = 18 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] <... futex resumed>) = 0 [pid 6176] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] <... futex resumed>) = 0 [pid 6175] <... mmap resumed>) = 0x7f4033e12000 [pid 6176] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6175] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6165] exit_group(0 [pid 6176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6175] <... mprotect resumed>) = 0 [pid 6168] <... futex resumed>) = ? [pid 6165] <... exit_group resumed>) = ? [pid 6176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6168] +++ exited with 0 +++ [pid 6165] +++ exited with 0 +++ [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6165, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5821] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6176] <... mmap resumed>) = 0x7f4033e12000 [pid 6175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6176] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6175] <... clone3 resumed> => {parent_tid=[6179]}, 88) = 6179 [pid 6176] <... mprotect resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6180 attached ./strace-static-x86_64: Process 6179 attached [pid 6176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6180] set_robust_list(0x5555576166a0, 24 [pid 6179] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6173] <... unshare resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] <... rseq resumed>) = 0 [pid 6173] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6180 [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6179] set_robust_list(0x7f4033e329a0, 24 [pid 6173] <... futex resumed>) = 0 [pid 6176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] exit_group(0 [pid 6180] <... prctl resumed>) = 0 [pid 6171] <... exit_group resumed>) = ? [pid 6180] setpgid(0, 0 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6180] <... setpgid resumed>) = 0 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6173] +++ exited with 0 +++ [pid 6171] +++ exited with 0 +++ [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6175] <... futex resumed>) = 0 [pid 6180] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6182 attached [pid 6180] write(3, "1000", 4 [pid 6179] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNETexecuting program [pid 6175] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6171, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6182] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6180] <... write resumed>) = 4 [pid 6180] close(3 [pid 6182] <... rseq resumed>) = 0 [pid 6180] <... close resumed>) = 0 [pid 6182] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 6180] write(1, "executing program\n", 18 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] <... write resumed>) = 18 ./strace-static-x86_64: Process 6183 attached [pid 6176] <... clone3 resumed> => {parent_tid=[6182]}, 88) = 6182 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6180] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] set_robust_list(0x5555576166a0, 24./strace-static-x86_64: Process 6184 attached [pid 6180] <... futex resumed>) = 0 [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6183 [pid 6184] set_robust_list(0x5555576166a0, 24 [pid 6180] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6184] <... set_robust_list resumed>) = 0 [pid 6180] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6184 [pid 6180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6180] <... mmap resumed>) = 0x7f4033e12000 [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6180] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6184] <... prctl resumed>) = 0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6180] <... mprotect resumed>) = 0 [pid 6176] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6182] <... futex resumed>) = 0 [pid 6176] <... futex resumed>) = 1 executing program [pid 6183] <... prctl resumed>) = 0 [pid 6182] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6176] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] setpgid(0, 0 [pid 6180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6184] setpgid(0, 0 [pid 6180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6184] <... setpgid resumed>) = 0 [pid 6180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6186 attached [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6180] <... clone3 resumed> => {parent_tid=[6186]}, 88) = 6186 [pid 6184] <... openat resumed>) = 3 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6180] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] write(3, "1000", 4 [pid 6180] <... futex resumed>) = 0 [pid 6186] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6184] <... write resumed>) = 4 [pid 6180] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... rseq resumed>) = 0 [pid 6184] close(3 [pid 6186] set_robust_list(0x7f4033e329a0, 24 [pid 6184] <... close resumed>) = 0 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6184] write(1, "executing program\n", 18 [pid 6186] rt_sigprocmask(SIG_SETMASK, [], [pid 6184] <... write resumed>) = 18 [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6184] <... futex resumed>) = 0 [pid 6184] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6183] <... setpgid resumed>) = 0 [pid 6184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6184] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6183] <... openat resumed>) = 3 [pid 6184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6179] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 6187 attached [pid 6183] write(3, "1000", 4 [pid 6184] <... clone3 resumed> => {parent_tid=[6187]}, 88) = 6187 [pid 6183] <... write resumed>) = 4 executing program [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] close(3 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] <... close resumed>) = 0 [pid 6187] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6184] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] write(1, "executing program\n", 18 [pid 6179] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6184] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] exit_group(0 [pid 6179] <... futex resumed>) = ? [pid 6175] <... exit_group resumed>) = ? [pid 6187] <... rseq resumed>) = 0 [pid 6183] <... write resumed>) = 18 [pid 6179] +++ exited with 0 +++ [pid 6175] +++ exited with 0 +++ [pid 6187] set_robust_list(0x7f4033e329a0, 24 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6187] <... set_robust_list resumed>) = 0 [pid 6187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6187] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6188 ./strace-static-x86_64: Process 6188 attached [pid 6183] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] set_robust_list(0x5555576166a0, 24 [pid 6183] <... futex resumed>) = 0 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6183] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6188] <... prctl resumed>) = 0 [pid 6183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6188] setpgid(0, 0 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] <... setpgid resumed>) = 0 [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6183] <... mmap resumed>) = 0x7f4033e12000 [pid 6188] <... openat resumed>) = 3 [pid 6176] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6188] write(3, "1000", 4 [pid 6183] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6188] <... write resumed>) = 4 [pid 6184] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6183] <... mprotect resumed>) = 0 [pid 6180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6188] close(3 [pid 6183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6188] <... close resumed>) = 0 [pid 6183] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 6188] write(1, "executing program\n", 18 [pid 6183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6189 attached [pid 6188] <... write resumed>) = 18 [pid 6189] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6188] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6183] <... clone3 resumed> => {parent_tid=[6189]}, 88) = 6189 [pid 6189] <... rseq resumed>) = 0 [pid 6188] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6189] set_robust_list(0x7f4033e329a0, 24 [pid 6188] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6183] <... futex resumed>) = 0 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 6188] <... mmap resumed>) = 0x7f4033e12000 [pid 6183] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6189] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6188] <... mprotect resumed>) = 0 [pid 6188] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6190 attached => {parent_tid=[6190]}, 88) = 6190 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6188] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6190] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6188] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... rseq resumed>) = 0 [pid 6190] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6190] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6183] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6186] <... unshare resumed>) = 0 [pid 6186] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6180] exit_group(0) = ? [pid 6186] +++ exited with 0 +++ [pid 6180] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6180, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6192 ./strace-static-x86_64: Process 6192 attached [pid 6192] set_robust_list(0x5555576166a0, 24) = 0 [pid 6192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6192] setpgid(0, 0) = 0 [pid 6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6192] write(3, "1000", 4) = 4 [pid 6192] close(3) = 0 [pid 6192] write(1, "executing program\n", 18executing program ) = 18 [pid 6192] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6192] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6192] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6189] <... unshare resumed>) = 0 [pid 6189] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... unshare resumed>) = 0 [pid 6192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6183] exit_group(0 [pid 6182] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6182] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6195 attached [pid 6189] <... futex resumed>) = 0 [pid 6182] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] <... clone3 resumed> => {parent_tid=[6195]}, 88) = 6195 [pid 6192] rt_sigprocmask(SIG_SETMASK, [], [pid 6183] <... exit_group resumed>) = ? [pid 6195] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] <... rseq resumed>) = 0 [pid 6192] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] set_robust_list(0x7f4033e329a0, 24 [pid 6192] <... futex resumed>) = 0 [pid 6176] exit_group(0 [pid 6192] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... set_robust_list resumed>) = 0 [pid 6182] <... futex resumed>) = ? [pid 6176] <... exit_group resumed>) = ? [pid 6195] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6195] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6189] +++ exited with 0 +++ [pid 6187] <... unshare resumed>) = 0 [pid 6183] +++ exited with 0 +++ [pid 6182] +++ exited with 0 +++ [pid 6176] +++ exited with 0 +++ [pid 6187] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6183, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6187] <... futex resumed>) = 0 [pid 6184] exit_group(0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6176, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6198 attached [pid 6190] <... unshare resumed>) = 0 [pid 6184] <... exit_group resumed>) = ? [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6190] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] exit_group(0./strace-static-x86_64: Process 6199 attached [pid 6198] set_robust_list(0x5555576166a0, 24 [pid 6190] <... futex resumed>) = ? [pid 6188] <... exit_group resumed>) = ? [pid 6187] +++ exited with 0 +++ [pid 6199] set_robust_list(0x5555576166a0, 24 [pid 6198] <... set_robust_list resumed>) = 0 [pid 6190] +++ exited with 0 +++ [pid 6188] +++ exited with 0 +++ [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6198 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6199] <... prctl resumed>) = 0 [pid 6198] <... prctl resumed>) = 0 [pid 6184] +++ exited with 0 +++ [pid 5826] <... restart_syscall resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6199 [pid 6198] setpgid(0, 0 [pid 6199] setpgid(0, 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6184, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- executing program executing program [pid 6199] <... setpgid resumed>) = 0 [pid 6198] <... setpgid resumed>) = 0 [pid 6192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] <... openat resumed>) = 3 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6198] <... openat resumed>) = 3 [pid 6199] write(3, "1000", 4) = 4 [pid 6198] write(3, "1000", 4 [pid 6199] close(3) = 0 [pid 6198] <... write resumed>) = 4 [pid 6198] close(3 [pid 6199] write(1, "executing program\n", 18 [pid 6198] <... close resumed>) = 0 [pid 6199] <... write resumed>) = 18 [pid 6198] write(1, "executing program\n", 18 [pid 6199] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... write resumed>) = 18 [pid 6198] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = 0 [pid 6199] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6198] <... futex resumed>) = 0 [pid 6199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6198] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6200 ./strace-static-x86_64: Process 6200 attached [pid 6199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6198] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6200] set_robust_list(0x5555576166a0, 24 [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6200] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6201 attached [pid 6199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6201 [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] set_robust_list(0x5555576166a0, 24 [pid 6200] <... prctl resumed>) = 0 [pid 6199] <... mmap resumed>) = 0x7f4033e12000 [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] setpgid(0, 0 [pid 6199] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6199] <... mprotect resumed>) = 0 [pid 6198] <... mmap resumed>) = 0x7f4033e12000 [pid 6199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6198] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6198] <... mprotect resumed>) = 0 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6198] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6201] setpgid(0, 0 [pid 6198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6203 attached [pid 6200] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6202 attached [pid 6201] <... setpgid resumed>) = 0 [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] <... clone3 resumed> => {parent_tid=[6202]}, 88) = 6202 [pid 6198] <... clone3 resumed> => {parent_tid=[6203]}, 88) = 6203 [pid 6199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6198] rt_sigprocmask(SIG_SETMASK, [], [pid 6199] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6198] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6202] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6200] <... openat resumed>) = 3 executing program [pid 6203] <... rseq resumed>) = 0 [pid 6202] <... rseq resumed>) = 0 [pid 6200] write(3, "1000", 4 [pid 6203] set_robust_list(0x7f4033e329a0, 24 [pid 6202] set_robust_list(0x7f4033e329a0, 24 [pid 6200] <... write resumed>) = 4 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6200] close(3 [pid 6203] rt_sigprocmask(SIG_SETMASK, [], [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6200] <... close resumed>) = 0 [pid 6203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6200] write(1, "executing program\n", 18 [pid 6203] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6202] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6200] <... write resumed>) = 18 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] <... futex resumed>) = 0 [pid 6200] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... openat resumed>) = 3 [pid 6200] <... futex resumed>) = 0 [pid 6199] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] write(3, "1000", 4) = 4 [pid 6200] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, executing program [pid 6201] close(3 [pid 6200] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6201] <... close resumed>) = 0 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] write(1, "executing program\n", 18 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6201] <... write resumed>) = 18 [pid 6200] <... mmap resumed>) = 0x7f4033e12000 [pid 6201] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6201] <... futex resumed>) = 0 [pid 6200] <... mprotect resumed>) = 0 [pid 6201] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6204]}, 88) = 6204 [pid 6200] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6200] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6200] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6204 attached [pid 6204] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6204] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6204] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6201] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6205 attached => {parent_tid=[6205]}, 88) = 6205 [pid 6201] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6201] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6195] <... unshare resumed>) = 0 [pid 6205] <... rseq resumed>) = 0 [pid 6205] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6205] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6198] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6195] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 6201] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] exit_group(0 [pid 6195] <... futex resumed>) = ? [pid 6192] <... exit_group resumed>) = ? [pid 6199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6195] +++ exited with 0 +++ [pid 6192] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6192, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6207 attached [pid 6207] set_robust_list(0x5555576166a0, 24) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6207 [pid 6207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6207] setpgid(0, 0) = 0 [pid 6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6207] <... openat resumed>) = 3 [pid 6207] write(3, "1000", 4) = 4 [pid 6207] close(3) = 0 executing program [pid 6207] write(1, "executing program\n", 18) = 18 [pid 6207] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6207] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6207] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6207] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6208 attached [pid 6201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6208] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6207] <... clone3 resumed> => {parent_tid=[6208]}, 88) = 6208 [pid 6207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6208] <... rseq resumed>) = 0 [pid 6207] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6208] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6208] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6203] <... unshare resumed>) = 0 [pid 6203] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6203] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6198] exit_group(0) = ? [pid 6203] <... futex resumed>) = ? [pid 6203] +++ exited with 0 +++ [pid 6198] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6198, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6210 attached [pid 6210] set_robust_list(0x5555576166a0, 24 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6210 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6210] setpgid(0, 0) = 0 [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6210] write(3, "1000", 4) = 4 [pid 6210] close(3 [pid 6207] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6210] <... close resumed>) = 0 executing program [pid 6210] write(1, "executing program\n", 18) = 18 [pid 6210] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6210] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6210] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6204] <... unshare resumed>) = 0 [pid 6210] <... mprotect resumed>) = 0 [pid 6204] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6200] exit_group(0 [pid 6204] <... futex resumed>) = 0 [pid 6204] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6200] <... exit_group resumed>) = ? [pid 6210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6213 attached => {parent_tid=[6213]}, 88) = 6213 [pid 6210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6210] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6210] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... futex resumed>) = ? [pid 6213] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6204] +++ exited with 0 +++ [pid 6200] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6200, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6213] <... rseq resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6213] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6213] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5826] <... restart_syscall resumed>) = 0 [pid 6205] <... unshare resumed>) = 0 [pid 6202] <... unshare resumed>) = 0 [pid 6205] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6205] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] <... unshare resumed>) = 0 [pid 6202] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] exit_group(0 [pid 6208] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6205] <... futex resumed>) = ? [pid 6202] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... exit_group resumed>) = ? [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6208] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] exit_group(0 [pid 6205] +++ exited with 0 +++ [pid 6199] exit_group(0./strace-static-x86_64: Process 6216 attached [pid 6207] <... exit_group resumed>) = ? [pid 6202] <... futex resumed>) = ? [pid 6199] <... exit_group resumed>) = ? [pid 6208] <... futex resumed>) = ? [pid 6216] set_robust_list(0x5555576166a0, 24 [pid 6208] +++ exited with 0 +++ [pid 6202] +++ exited with 0 +++ [pid 6216] <... set_robust_list resumed>) = 0 [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6199] +++ exited with 0 +++ [pid 6216] <... prctl resumed>) = 0 [pid 6207] +++ exited with 0 +++ [pid 6201] +++ exited with 0 +++ [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6216 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6199, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6216] setpgid(0, 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6216] <... setpgid resumed>) = 0 [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6217 attached [pid 6216] <... openat resumed>) = 3 [pid 6210] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6217] set_robust_list(0x5555576166a0, 24 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6207, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6217] <... set_robust_list resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6216] write(3, "1000", 4 [pid 6217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6216] <... write resumed>) = 4 [pid 6216] close(3 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6218 attached [pid 6217] <... prctl resumed>) = 0 [pid 6216] <... close resumed>) = 0 executing program [pid 6216] write(1, "executing program\n", 18 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6217 ./strace-static-x86_64: Process 6219 attached [pid 6218] set_robust_list(0x5555576166a0, 24 [pid 6217] setpgid(0, 0 [pid 6216] <... write resumed>) = 18 executing program [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6218 [pid 6219] set_robust_list(0x5555576166a0, 24 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6217] <... setpgid resumed>) = 0 [pid 6216] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] <... futex resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6219 [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6216] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6219] setpgid(0, 0 [pid 6216] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6219] <... setpgid resumed>) = 0 [pid 6216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6217] <... openat resumed>) = 3 [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] <... prctl resumed>) = 0 [pid 6217] write(3, "1000", 4 [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] setpgid(0, 0 [pid 6217] <... write resumed>) = 4 [pid 6218] <... setpgid resumed>) = 0 [pid 6217] close(3 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6217] <... close resumed>) = 0 [pid 6216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6219] <... openat resumed>) = 3 [pid 6218] <... openat resumed>) = 3 [pid 6217] write(1, "executing program\n", 18 [pid 6219] write(3, "1000", 4 [pid 6218] write(3, "1000", 4 [pid 6217] <... write resumed>) = 18 [pid 6216] <... mmap resumed>) = 0x7f4033e12000 [pid 6219] <... write resumed>) = 4 [pid 6218] <... write resumed>) = 4 [pid 6217] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] close(3 [pid 6218] close(3executing program [pid 6217] <... futex resumed>) = 0 [pid 6216] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6219] <... close resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 6219] write(1, "executing program\n", 18 [pid 6216] <... mprotect resumed>) = 0 [pid 6219] <... write resumed>) = 18 [pid 6219] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6219] <... futex resumed>) = 0 [pid 6217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6219] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6218] write(1, "executing program\n", 18executing program [pid 6217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6221 attached [pid 6219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] <... write resumed>) = 18 [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6213] <... unshare resumed>) = 0 [pid 6219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6218] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = 0 [pid 6218] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6213] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6217] <... mmap resumed>) = 0x7f4033e12000 [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6221] <... rseq resumed>) = 0 [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] <... clone3 resumed> => {parent_tid=[6221]}, 88) = 6221 [pid 6210] exit_group(0 [pid 6221] set_robust_list(0x7f4033e329a0, 24 [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6218] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6217] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6213] <... futex resumed>) = ? [pid 6210] <... exit_group resumed>) = ? [pid 6221] <... set_robust_list resumed>) = 0 [pid 6219] <... mmap resumed>) = 0x7f4033e12000 [pid 6218] <... mprotect resumed>) = 0 [pid 6217] <... mprotect resumed>) = 0 [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6216] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] <... mprotect resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6221] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6216] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] +++ exited with 0 +++ [pid 6210] +++ exited with 0 +++ [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6222 attached => {parent_tid=[6222]}, 88) = 6222 [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 6217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6218] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6218] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6210, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6222] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5819] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6224 attached ./strace-static-x86_64: Process 6223 attached [pid 6222] set_robust_list(0x7f4033e329a0, 24 [pid 6217] <... clone3 resumed> => {parent_tid=[6223]}, 88) = 6223 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6219] <... clone3 resumed> => {parent_tid=[6224]}, 88) = 6224 [pid 6224] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6222] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 6217] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6224] <... rseq resumed>) = 0 [pid 6223] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6222] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6219] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... rseq resumed>) = 0 [pid 6223] set_robust_list(0x7f4033e329a0, 24 [pid 6219] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6217] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] <... set_robust_list resumed>) = 0 [pid 6223] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] set_robust_list(0x7f4033e329a0, 24./strace-static-x86_64: Process 6225 attached ) = 0 executing program [pid 6223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6225 [pid 6223] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6225] set_robust_list(0x5555576166a0, 24) = 0 [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6225] setpgid(0, 0) = 0 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6225] write(3, "1000", 4) = 4 [pid 6225] close(3) = 0 [pid 6225] write(1, "executing program\n", 18) = 18 [pid 6225] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6225] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6224] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6225] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6225] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6226]}, 88) = 6226 [pid 6225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6225] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6225] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6226 attached [pid 6216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6226] set_robust_list(0x7f4033e329a0, 24 [pid 6217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] <... set_robust_list resumed>) = 0 [pid 6219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6226] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6221] <... unshare resumed>) = 0 [pid 6221] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6221] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] exit_group(0 [pid 6221] <... futex resumed>) = ? [pid 6216] <... exit_group resumed>) = ? [pid 6221] +++ exited with 0 +++ [pid 6216] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6216, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6228 ./strace-static-x86_64: Process 6228 attached [pid 6228] set_robust_list(0x5555576166a0, 24 [pid 6226] <... unshare resumed>) = 0 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6226] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6226] <... futex resumed>) = 0 [pid 6225] exit_group(0 [pid 6222] <... unshare resumed>) = 0 [pid 6228] <... prctl resumed>) = 0 [pid 6225] <... exit_group resumed>) = ? [pid 6228] setpgid(0, 0 [pid 6226] +++ exited with 0 +++ [pid 6225] +++ exited with 0 +++ [pid 6222] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... setpgid resumed>) = 0 [pid 6222] <... futex resumed>) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6222] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] <... openat resumed>) = 3 [pid 6218] exit_group(0 [pid 6228] write(3, "1000", 4 [pid 6224] <... unshare resumed>) = 0 [pid 6223] <... unshare resumed>) = 0 [pid 6222] <... futex resumed>) = ? [pid 6228] <... write resumed>) = 4 [pid 6218] <... exit_group resumed>) = ? [pid 6223] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = 0 [pid 6228] close(3) = 0 [pid 6224] <... futex resumed>) = 0 [pid 6223] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] +++ exited with 0 +++ [pid 6219] exit_group(0 [pid 6218] +++ exited with 0 +++ [pid 6228] write(1, "executing program\n", 18executing program [pid 6219] <... exit_group resumed>) = ? [pid 6217] exit_group(0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6228] <... write resumed>) = 18 [pid 6224] +++ exited with 0 +++ [pid 6223] <... futex resumed>) = ? [pid 6219] +++ exited with 0 +++ [pid 6217] <... exit_group resumed>) = ? [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6228] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] +++ exited with 0 +++ [pid 6217] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6219, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6228] <... futex resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6217, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6233 attached [pid 6228] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6233] set_robust_list(0x5555576166a0, 24 [pid 6228] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] <... restart_syscall resumed>) = 0 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5824] <... restart_syscall resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6233 [pid 6233] <... prctl resumed>) = 0 [pid 6228] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6234 attached [pid 6233] setpgid(0, 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6233] <... setpgid resumed>) = 0 [pid 6228] <... mprotect resumed>) = 0 [pid 6234] set_robust_list(0x5555576166a0, 24) = 0 ./strace-static-x86_64: Process 6235 attached [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6234 [pid 6234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6235] set_robust_list(0x5555576166a0, 24 [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] <... prctl resumed>) = 0 [pid 6233] <... openat resumed>) = 3 [pid 6228] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6235 [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6234] setpgid(0, 0 [pid 6233] write(3, "1000", 4 [pid 6228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6235] <... prctl resumed>) = 0 [pid 6234] <... setpgid resumed>) = 0 [pid 6233] <... write resumed>) = 4 ./strace-static-x86_64: Process 6236 attached [pid 6235] setpgid(0, 0 [pid 6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6233] close(3 [pid 6236] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6235] <... setpgid resumed>) = 0 [pid 6233] <... close resumed>) = 0 executing program [pid 6228] <... clone3 resumed> => {parent_tid=[6236]}, 88) = 6236 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6237 attached [pid 6236] <... rseq resumed>) = 0 [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6234] <... openat resumed>) = 3 [pid 6233] write(1, "executing program\n", 18 [pid 6228] rt_sigprocmask(SIG_SETMASK, [], [pid 6236] set_robust_list(0x7f4033e329a0, 24 [pid 6235] <... openat resumed>) = 3 [pid 6234] write(3, "1000", 4 [pid 6233] <... write resumed>) = 18 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] set_robust_list(0x5555576166a0, 24 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6235] write(3, "1000", 4 [pid 6233] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... set_robust_list resumed>) = 0 [pid 6236] rt_sigprocmask(SIG_SETMASK, [], [pid 6235] <... write resumed>) = 4 [pid 6233] <... futex resumed>) = 0 [pid 6228] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] close(3 [pid 6234] <... write resumed>) = 4 [pid 6233] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6228] <... futex resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6237 [pid 6237] <... prctl resumed>) = 0 [pid 6236] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6235] <... close resumed>) = 0 [pid 6235] write(1, "executing program\n", 18 [pid 6234] close(3 [pid 6233] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6228] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... write resumed>) = 18 [pid 6234] <... close resumed>) = 0 [pid 6233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6235] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] write(1, "executing program\n", 18 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6234] <... write resumed>) = 18 [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6234] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... mmap resumed>) = 0x7f4033e12000 [pid 6234] <... futex resumed>) = 0 [pid 6234] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6235] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6237] setpgid(0, 0 [pid 6234] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6237] <... setpgid resumed>) = 0 [pid 6235] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6233] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] <... mprotect resumed>) = 0 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6233] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6235] <... mmap resumed>) = 0x7f4033e12000 [pid 6237] <... openat resumed>) = 3 [pid 6235] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6234] <... mmap resumed>) = 0x7f4033e12000 [pid 6233] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6235] <... mprotect resumed>) = 0 [pid 6234] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6237] write(3, "1000", 4 [pid 6235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6234] <... mprotect resumed>) = 0 [pid 6235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6233] <... clone3 resumed> => {parent_tid=[6238]}, 88) = 6238 [pid 6234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6234] <... clone3 resumed> => {parent_tid=[6239]}, 88) = 6239 [pid 6233] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6240 attached ./strace-static-x86_64: Process 6239 attached ./strace-static-x86_64: Process 6238 attached [pid 6237] <... write resumed>) = 4 [pid 6235] <... clone3 resumed> => {parent_tid=[6240]}, 88) = 6240 [pid 6234] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6234] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] close(3 [pid 6235] rt_sigprocmask(SIG_SETMASK, [], [pid 6240] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6239] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6238] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6237] <... close resumed>) = 0 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6240] <... rseq resumed>) = 0 [pid 6239] <... rseq resumed>) = 0 executing program [pid 6238] <... rseq resumed>) = 0 [pid 6237] write(1, "executing program\n", 18 [pid 6235] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] set_robust_list(0x7f4033e329a0, 24 [pid 6239] set_robust_list(0x7f4033e329a0, 24 [pid 6238] set_robust_list(0x7f4033e329a0, 24 [pid 6235] <... futex resumed>) = 0 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6237] <... write resumed>) = 18 [pid 6235] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] rt_sigprocmask(SIG_SETMASK, [], [pid 6238] rt_sigprocmask(SIG_SETMASK, [], [pid 6237] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] <... futex resumed>) = 0 [pid 6240] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6239] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6238] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6237] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6237] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6237] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6241 attached [pid 6241] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6237] <... clone3 resumed> => {parent_tid=[6241]}, 88) = 6241 [pid 6237] rt_sigprocmask(SIG_SETMASK, [], [pid 6241] <... rseq resumed>) = 0 [pid 6237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] set_robust_list(0x7f4033e329a0, 24 [pid 6237] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6237] <... futex resumed>) = 0 [pid 6241] rt_sigprocmask(SIG_SETMASK, [], [pid 6237] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6233] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6234] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6237] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6239] <... unshare resumed>) = 0 [pid 6239] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6234] exit_group(0 [pid 6239] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] <... exit_group resumed>) = ? [pid 6239] <... futex resumed>) = ? [pid 6239] +++ exited with 0 +++ [pid 6234] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6234, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6243 attached [pid 6240] <... unshare resumed>) = 0 [pid 6236] <... unshare resumed>) = 0 [pid 6243] set_robust_list(0x5555576166a0, 24) = 0 [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6240] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... unshare resumed>) = 0 [pid 6236] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6243 [pid 6243] setpgid(0, 0 [pid 6240] <... futex resumed>) = 0 [pid 6238] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 0 [pid 6235] exit_group(0 [pid 6228] exit_group(0 [pid 6235] <... exit_group resumed>) = ? [pid 6228] <... exit_group resumed>) = ? [pid 6243] <... setpgid resumed>) = 0 [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6238] <... futex resumed>) = 0 [pid 6236] +++ exited with 0 +++ [pid 6228] +++ exited with 0 +++ [pid 6243] write(3, "1000", 4) = 4 [pid 6243] close(3) = 0 [pid 6243] write(1, "executing program\n", 18) = 18 [pid 6238] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] exit_group(0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6228, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6243] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6240] +++ exited with 0 +++ [pid 6238] <... futex resumed>) = ? [pid 6235] +++ exited with 0 +++ [pid 6233] <... exit_group resumed>) = ? [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6235, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6238] +++ exited with 0 +++ [pid 6243] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6247 attached [pid 6243] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6233] +++ exited with 0 +++ [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6248 attached [pid 6247] set_robust_list(0x5555576166a0, 24 [pid 6243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6247 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6233, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6248] set_robust_list(0x5555576166a0, 24 [pid 6247] <... set_robust_list resumed>) = 0 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6248] <... set_robust_list resumed>) = 0 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6248 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6248] <... prctl resumed>) = 0 [pid 6247] <... prctl resumed>) = 0 [pid 6248] setpgid(0, 0 [pid 6247] setpgid(0, 0 [pid 6248] <... setpgid resumed>) = 0 [pid 6247] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6249 attached [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6243] <... mmap resumed>) = 0x7f4033e12000 [pid 6249] set_robust_list(0x5555576166a0, 24 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6249 [pid 6248] <... openat resumed>) = 3 [pid 6247] <... openat resumed>) = 3 [pid 6248] write(3, "1000", 4 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6247] write(3, "1000", 4 [pid 6243] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6248] <... write resumed>) = 4 [pid 6247] <... write resumed>) = 4 [pid 6249] <... prctl resumed>) = 0 [pid 6243] <... mprotect resumed>) = 0 [pid 6248] close(3executing program [pid 6249] setpgid(0, 0 [pid 6248] <... close resumed>) = 0 [pid 6247] close(3 [pid 6243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6241] <... unshare resumed>) = 0 [pid 6247] <... close resumed>) = 0 [pid 6243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6249] <... setpgid resumed>) = 0 [pid 6247] write(1, "executing program\n", 18 [pid 6243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] <... write resumed>) = 18 ./strace-static-x86_64: Process 6251 attached [pid 6247] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... clone3 resumed> => {parent_tid=[6251]}, 88) = 6251 [pid 6247] <... futex resumed>) = 0 [pid 6251] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6251] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6251] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6247] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6243] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6248] write(1, "executing program\n", 18 [pid 6247] <... mmap resumed>) = 0x7f4033e12000 [pid 6248] <... write resumed>) = 18 [pid 6247] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6243] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6247] <... mprotect resumed>) = 0 [pid 6249] <... openat resumed>) = 3 [pid 6248] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6249] write(3, "1000", 4 [pid 6248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6241] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... write resumed>) = 4 [pid 6247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6251] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6237] exit_group(0) = ? [pid 6249] close(3 [pid 6247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6252 attached [pid 6249] <... close resumed>) = 0 executing program [pid 6249] write(1, "executing program\n", 18 [pid 6247] <... clone3 resumed> => {parent_tid=[6252]}, 88) = 6252 [pid 6249] <... write resumed>) = 18 [pid 6247] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6247] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6249] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6247] <... futex resumed>) = 0 [pid 6252] <... rseq resumed>) = 0 [pid 6249] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6247] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] set_robust_list(0x7f4033e329a0, 24 [pid 6249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6241] +++ exited with 0 +++ [pid 6237] +++ exited with 0 +++ [pid 6252] <... set_robust_list resumed>) = 0 [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] <... mmap resumed>) = 0x7f4033e12000 [pid 6248] <... mmap resumed>) = 0x7f4033e12000 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6237, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6252] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6249] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6248] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6248] <... mprotect resumed>) = 0 [pid 6249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6253 attached [pid 6248] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6253] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6249] <... clone3 resumed> => {parent_tid=[6253]}, 88) = 6253 [pid 6248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5821] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6254 attached [pid 6253] <... rseq resumed>) = 0 [pid 6249] rt_sigprocmask(SIG_SETMASK, [], [pid 6248] <... clone3 resumed> => {parent_tid=[6254]}, 88) = 6254 [pid 6248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6248] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] set_robust_list(0x7f4033e329a0, 24 [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6253] <... set_robust_list resumed>) = 0 [pid 6249] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6255 attached [pid 6253] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6254] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] set_robust_list(0x5555576166a0, 24 [pid 6254] <... rseq resumed>) = 0 [pid 6253] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6249] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6255 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6254] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6255] setpgid(0, 0) = 0 [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6255] write(3, "1000", 4 [pid 6243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6255] <... write resumed>) = 4 [pid 6255] close(3) = 0 executing program [pid 6255] write(1, "executing program\n", 18 [pid 6247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6255] <... write resumed>) = 18 [pid 6255] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6255] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6251] <... unshare resumed>) = 0 [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6255] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6251] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] exit_group(0 [pid 6255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6251] <... futex resumed>) = ? [pid 6243] <... exit_group resumed>) = ? [pid 6255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6251] +++ exited with 0 +++ [pid 6243] +++ exited with 0 +++ [pid 6255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6257 attached [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6243, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6255] <... clone3 resumed> => {parent_tid=[6257]}, 88) = 6257 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6255] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6255] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6257] <... rseq resumed>) = 0 [pid 6257] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6257] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5820] <... restart_syscall resumed>) = 0 [pid 6249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6258 attached [pid 6258] set_robust_list(0x5555576166a0, 24) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6258 [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6258] setpgid(0, 0) = 0 [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6258] write(3, "1000", 4) = 4 [pid 6258] close(3) = 0 executing program [pid 6258] write(1, "executing program\n", 18) = 18 [pid 6258] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6258] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6258] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6258] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6259]}, 88) = 6259 [pid 6258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6258] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6258] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6259 attached [pid 6255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6259] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6259] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6259] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6254] <... unshare resumed>) = 0 [pid 6254] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] exit_group(0) = ? [pid 6254] <... futex resumed>) = ? [pid 6252] <... unshare resumed>) = 0 [pid 6254] +++ exited with 0 +++ [pid 6252] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] +++ exited with 0 +++ [pid 6252] <... futex resumed>) = 0 [pid 6247] exit_group(0) = ? [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6248, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6252] +++ exited with 0 +++ [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6253] <... unshare resumed>) = 0 [pid 6258] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6258] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6253] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] +++ exited with 0 +++ [pid 6253] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6253] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] exit_group(0 [pid 6253] <... futex resumed>) = ? [pid 6249] <... exit_group resumed>) = ? [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6247, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6264 attached [pid 6253] +++ exited with 0 +++ [pid 6249] +++ exited with 0 +++ [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6249, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6264 ./strace-static-x86_64: Process 6265 attached [pid 6265] set_robust_list(0x5555576166a0, 24 [pid 6264] set_robust_list(0x5555576166a0, 24 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6265 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6264] <... set_robust_list resumed>) = 0 [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6265] setpgid(0, 0 [pid 6264] <... prctl resumed>) = 0 [pid 6257] <... unshare resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6265] <... setpgid resumed>) = 0 [pid 6264] setpgid(0, 0 [pid 6259] <... unshare resumed>) = 0 [pid 6257] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6264] <... setpgid resumed>) = 0 [pid 6259] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... futex resumed>) = 0 [pid 6255] exit_group(0 [pid 6259] <... futex resumed>) = 0 [pid 6257] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... openat resumed>) = 3 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6267 attached [pid 6265] write(3, "1000", 4 [pid 6264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6259] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] <... futex resumed>) = ? [pid 6255] <... exit_group resumed>) = ? [pid 6267] set_robust_list(0x5555576166a0, 24 [pid 6265] <... write resumed>) = 4 [pid 6258] exit_group(0 [pid 6257] +++ exited with 0 +++ [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6267 [pid 6265] close(3 [pid 6264] <... openat resumed>) = 3 [pid 6259] <... futex resumed>) = ? [pid 6258] <... exit_group resumed>) = ? [pid 6267] <... set_robust_list resumed>) = 0 [pid 6265] <... close resumed>) = 0 [pid 6264] write(3, "1000", 4 [pid 6259] +++ exited with 0 +++ [pid 6255] +++ exited with 0 +++ [pid 6267] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program executing program [pid 6265] write(1, "executing program\n", 18 [pid 6264] <... write resumed>) = 4 [pid 6258] +++ exited with 0 +++ [pid 6267] <... prctl resumed>) = 0 [pid 6265] <... write resumed>) = 18 [pid 6264] close(3 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6255, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6258, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6267] setpgid(0, 0 [pid 6265] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... close resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6264] write(1, "executing program\n", 18 [pid 6267] <... setpgid resumed>) = 0 [pid 6265] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6264] <... write resumed>) = 18 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6268 attached [pid 6267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6264] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6268] set_robust_list(0x5555576166a0, 24 [pid 6264] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6268] <... set_robust_list resumed>) = 0 [pid 6264] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6268] <... prctl resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6268 [pid 6268] setpgid(0, 0) = 0 [pid 6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6267] <... openat resumed>) = 3 [pid 6265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6264] <... mmap resumed>) = 0x7f4033e12000 [pid 6268] <... openat resumed>) = 3 [pid 6267] write(3, "1000", 4 [pid 6265] <... mmap resumed>) = 0x7f4033e12000 [pid 6264] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6268] write(3, "1000", 4 [pid 6267] <... write resumed>) = 4 [pid 6265] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6264] <... mprotect resumed>) = 0 [pid 6268] <... write resumed>) = 4 [pid 6267] close(3 [pid 6265] <... mprotect resumed>) = 0 [pid 6264] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6269 attached [pid 6268] close(3 [pid 6267] <... close resumed>) = 0 [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], executing program executing program [pid 6264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6268] <... close resumed>) = 0 [pid 6267] write(1, "executing program\n", 18 [pid 6264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6267] <... write resumed>) = 18 [pid 6268] write(1, "executing program\n", 18./strace-static-x86_64: Process 6270 attached [pid 6267] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6270] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6269] set_robust_list(0x5555576166a0, 24 [pid 6265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6264] <... clone3 resumed> => {parent_tid=[6270]}, 88) = 6270 [pid 6270] <... rseq resumed>) = 0 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], [pid 6270] set_robust_list(0x7f4033e329a0, 24 [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6264] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6269] <... set_robust_list resumed>) = 0 [pid 6264] <... futex resumed>) = 0 [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6264] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6268] <... write resumed>) = 18 [pid 6267] <... futex resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6269 [pid 6268] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6268] <... futex resumed>) = 0 [pid 6267] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6268] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] <... mmap resumed>) = 0x7f4033e12000 [pid 6268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6267] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6268] <... mmap resumed>) = 0x7f4033e12000 [pid 6267] <... mprotect resumed>) = 0 [pid 6268] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6268] <... mprotect resumed>) = 0 [pid 6267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6267] <... clone3 resumed> => {parent_tid=[6271]}, 88) = 6271 ./strace-static-x86_64: Process 6273 attached ./strace-static-x86_64: Process 6272 attached ./strace-static-x86_64: Process 6271 attached [pid 6267] rt_sigprocmask(SIG_SETMASK, [], [pid 6268] <... clone3 resumed> => {parent_tid=[6272]}, 88) = 6272 [pid 6267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 6267] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] <... futex resumed>) = 0 [pid 6265] <... clone3 resumed> => {parent_tid=[6273]}, 88) = 6273 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] <... futex resumed>) = 0 [pid 6273] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6272] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6271] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6269] <... prctl resumed>) = 0 [pid 6268] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] rt_sigprocmask(SIG_SETMASK, [], [pid 6273] <... rseq resumed>) = 0 [pid 6272] <... rseq resumed>) = 0 [pid 6271] <... rseq resumed>) = 0 [pid 6269] setpgid(0, 0 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] set_robust_list(0x7f4033e329a0, 24 [pid 6272] set_robust_list(0x7f4033e329a0, 24 [pid 6271] set_robust_list(0x7f4033e329a0, 24 [pid 6269] <... setpgid resumed>) = 0 [pid 6265] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... set_robust_list resumed>) = 0 [pid 6272] <... set_robust_list resumed>) = 0 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6272] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6272] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6273] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6269] write(3, "1000", 4) = 4 [pid 6269] close(3) = 0 [pid 6269] write(1, "executing program\n", 18executing program ) = 18 [pid 6267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6269] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6269] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6269] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6274 attached => {parent_tid=[6274]}, 88) = 6274 [pid 6269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6269] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6269] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6274] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6274] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6270] <... unshare resumed>) = 0 [pid 6270] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6270] <... futex resumed>) = 0 [pid 6264] exit_group(0) = ? [pid 6270] +++ exited with 0 +++ [pid 6264] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6264, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6276 attached , child_tidptr=0x555557616690) = 6276 [pid 6276] set_robust_list(0x5555576166a0, 24) = 0 [pid 6276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6276] setpgid(0, 0) = 0 [pid 6276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6276] write(3, "1000", 4 [pid 6272] <... unshare resumed>) = 0 [pid 6276] <... write resumed>) = 4 [pid 6272] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] close(3 [pid 6272] <... futex resumed>) = 0 [pid 6268] exit_group(0 [pid 6276] <... close resumed>) = 0 [pid 6272] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6276] write(1, "executing program\n", 18) = 18 [pid 6272] <... futex resumed>) = ? [pid 6268] <... exit_group resumed>) = ? [pid 6276] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6272] +++ exited with 0 +++ [pid 6268] +++ exited with 0 +++ [pid 6276] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6268, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6276] <... mmap resumed>) = 0x7f4033e12000 [pid 6276] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6274] <... unshare resumed>) = 0 [pid 6271] <... unshare resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6273] <... unshare resumed>) = 0 [pid 6271] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6281 attached ) = 0 [pid 6281] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6276] <... clone3 resumed> => {parent_tid=[6281]}, 88) = 6281 [pid 6274] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] <... rseq resumed>) = 0 [pid 6276] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] <... futex resumed>) = 0 [pid 6273] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] exit_group(0 [pid 6265] exit_group(0 [pid 6281] set_robust_list(0x7f4033e329a0, 24 [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] <... futex resumed>) = ? [pid 6271] <... futex resumed>) = ? [pid 6269] exit_group(0 [pid 6267] <... exit_group resumed>) = ? [pid 6265] <... exit_group resumed>) = ? [pid 6281] <... set_robust_list resumed>) = 0 [pid 6276] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = ? [pid 6273] +++ exited with 0 +++ [pid 6271] +++ exited with 0 +++ [pid 6269] <... exit_group resumed>) = ? [pid 6267] +++ exited with 0 +++ [pid 6265] +++ exited with 0 +++ [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6276] <... futex resumed>) = 0 [pid 6274] +++ exited with 0 +++ [pid 6269] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6265, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6267, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6276] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6269, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6281] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5826] <... restart_syscall resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6282 attached [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6282] set_robust_list(0x5555576166a0, 24 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6283 ./strace-static-x86_64: Process 6283 attached [pid 6282] <... set_robust_list resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6284 attached ./strace-static-x86_64: Process 6285 attached [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6285 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6282 [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6283] set_robust_list(0x5555576166a0, 24 [pid 6284] set_robust_list(0x5555576166a0, 24 [pid 6285] set_robust_list(0x5555576166a0, 24 [pid 6283] <... set_robust_list resumed>) = 0 [pid 6282] <... prctl resumed>) = 0 [pid 6283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6285] <... set_robust_list resumed>) = 0 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] <... prctl resumed>) = 0 [pid 6282] setpgid(0, 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6284 [pid 6283] setpgid(0, 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6284] <... prctl resumed>) = 0 [pid 6283] <... setpgid resumed>) = 0 [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] setpgid(0, 0) = 0 [pid 6284] setpgid(0, 0 [pid 6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6284] <... setpgid resumed>) = 0 [pid 6283] <... openat resumed>) = 3 [pid 6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6285] <... openat resumed>) = 3 [pid 6284] <... openat resumed>) = 3 [pid 6283] write(3, "1000", 4 [pid 6282] <... openat resumed>) = 3 [pid 6284] write(3, "1000", 4) = 4 [pid 6284] close(3 [pid 6283] <... write resumed>) = 4 [pid 6284] <... close resumed>) = 0 [pid 6283] close(3 [pid 6282] write(3, "1000", 4 [pid 6285] write(3, "1000", 4 [pid 6284] write(1, "executing program\n", 18 [pid 6283] <... close resumed>) = 0 [pid 6282] <... write resumed>) = 4 [pid 6285] <... write resumed>) = 4 executing program [pid 6284] <... write resumed>) = 18 [pid 6283] write(1, "executing program\n", 18 [pid 6282] close(3 [pid 6285] close(3 [pid 6284] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... write resumed>) = 18 executing program [pid 6282] <... close resumed>) = 0 [pid 6285] <... close resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6283] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] write(1, "executing program\n", 18executing program [pid 6285] write(1, "executing program\n", 18 [pid 6284] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6283] <... futex resumed>) = 0 [pid 6282] <... write resumed>) = 18 [pid 6285] <... write resumed>) = 18 [pid 6284] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6283] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6285] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6285] <... futex resumed>) = 0 [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6283] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6282] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6282] <... futex resumed>) = 0 [pid 6285] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6284] <... mmap resumed>) = 0x7f4033e12000 [pid 6283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6282] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6283] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6285] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6284] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6283] <... mprotect resumed>) = 0 [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6284] <... mprotect resumed>) = 0 [pid 6283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6282] <... mmap resumed>) = 0x7f4033e12000 [pid 6285] <... mmap resumed>) = 0x7f4033e12000 [pid 6283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6282] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6285] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6282] <... mprotect resumed>) = 0 [pid 6285] <... mprotect resumed>) = 0 [pid 6285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6286 attached ./strace-static-x86_64: Process 6287 attached [pid 6285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6287] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6284] <... clone3 resumed> => {parent_tid=[6287]}, 88) = 6287 [pid 6287] <... rseq resumed>) = 0 [pid 6284] rt_sigprocmask(SIG_SETMASK, [], [pid 6287] set_robust_list(0x7f4033e329a0, 24 [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6287] rt_sigprocmask(SIG_SETMASK, [], [pid 6285] <... clone3 resumed> => {parent_tid=[6288]}, 88) = 6288 [pid 6284] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] <... futex resumed>) = 0 [pid 6287] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6285] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6288 attached [pid 6286] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6285] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... clone3 resumed> => {parent_tid=[6286]}, 88) = 6286 [pid 6282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6286] <... rseq resumed>) = 0 [pid 6283] rt_sigprocmask(SIG_SETMASK, [], [pid 6282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6289 attached [pid 6286] set_robust_list(0x7f4033e329a0, 24 [pid 6285] <... futex resumed>) = 0 [pid 6283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6283] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] <... clone3 resumed> => {parent_tid=[6289]}, 88) = 6289 [pid 6289] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6286] rt_sigprocmask(SIG_SETMASK, [], [pid 6285] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... futex resumed>) = 0 [pid 6282] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] <... rseq resumed>) = 0 [pid 6288] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6283] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6289] set_robust_list(0x7f4033e329a0, 24 [pid 6288] <... rseq resumed>) = 0 [pid 6286] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6282] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] set_robust_list(0x7f4033e329a0, 24 [pid 6284] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = 0 [pid 6289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6288] <... set_robust_list resumed>) = 0 [pid 6282] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6288] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6281] <... unshare resumed>) = 0 [pid 6281] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] exit_group(0 [pid 6281] <... futex resumed>) = ? [pid 6276] <... exit_group resumed>) = ? [pid 6281] +++ exited with 0 +++ [pid 6276] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6276, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6292 attached [pid 6287] <... unshare resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6292 [pid 6287] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] set_robust_list(0x5555576166a0, 24 [pid 6287] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 6287] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] exit_group(0 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6287] <... futex resumed>) = ? [pid 6284] <... exit_group resumed>) = ? [pid 6282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6287] +++ exited with 0 +++ [pid 6284] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6284, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6292] <... prctl resumed>) = 0 [pid 6292] setpgid(0, 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6292] <... setpgid resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6293 ./strace-static-x86_64: Process 6293 attached [pid 6292] <... openat resumed>) = 3 [pid 6293] set_robust_list(0x5555576166a0, 24 [pid 6292] write(3, "1000", 4 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] <... write resumed>) = 4 [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6292] close(3) = 0 executing program [pid 6293] <... prctl resumed>) = 0 [pid 6292] write(1, "executing program\n", 18) = 18 [pid 6293] setpgid(0, 0 [pid 6292] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6292] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6293] <... setpgid resumed>) = 0 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6292] <... mmap resumed>) = 0x7f4033e12000 [pid 6292] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6293] <... openat resumed>) = 3 [pid 6292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6293] write(3, "1000", 4./strace-static-x86_64: Process 6294 attached [pid 6294] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6294] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6294] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... clone3 resumed> => {parent_tid=[6294]}, 88) = 6294 [pid 6293] <... write resumed>) = 4 [pid 6292] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] close(3 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... close resumed>) = 0 [pid 6292] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = 0 [pid 6293] write(1, "executing program\n", 18 [pid 6292] <... futex resumed>) = 1 executing program [pid 6293] <... write resumed>) = 18 [pid 6292] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6293] <... futex resumed>) = 0 [pid 6293] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6293] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6295 attached [pid 6295] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6293] <... clone3 resumed> => {parent_tid=[6295]}, 88) = 6295 [pid 6295] <... rseq resumed>) = 0 [pid 6295] set_robust_list(0x7f4033e329a0, 24 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 6295] <... set_robust_list resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6295] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] <... futex resumed>) = 0 [pid 6295] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6293] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6288] <... unshare resumed>) = 0 [pid 6288] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6285] exit_group(0) = ? [pid 6288] +++ exited with 0 +++ [pid 6286] <... unshare resumed>) = 0 [pid 6286] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] +++ exited with 0 +++ [pid 6286] <... futex resumed>) = 0 [pid 6283] exit_group(0) = ? [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6285, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6286] +++ exited with 0 +++ [pid 6283] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6283, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5826] <... restart_syscall resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6298 attached ./strace-static-x86_64: Process 6299 attached [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6299 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6298 [pid 6299] set_robust_list(0x5555576166a0, 24 [pid 6298] set_robust_list(0x5555576166a0, 24 [pid 6289] <... unshare resumed>) = 0 [pid 6298] <... set_robust_list resumed>) = 0 [pid 6299] <... set_robust_list resumed>) = 0 [pid 6289] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6289] <... futex resumed>) = 0 [pid 6282] exit_group(0 [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] <... exit_group resumed>) = ? [pid 6299] <... prctl resumed>) = 0 [pid 6289] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 6299] setpgid(0, 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6299] <... setpgid resumed>) = 0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6298] <... prctl resumed>) = 0 [pid 6298] setpgid(0, 0 [pid 6299] write(3, "1000", 4 [pid 6298] <... setpgid resumed>) = 0 [pid 6299] <... write resumed>) = 4 executing program [pid 6299] close(3 [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6299] <... close resumed>) = 0 [pid 6299] write(1, "executing program\n", 18) = 18 [pid 6298] <... openat resumed>) = 3 [pid 6299] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6298] write(3, "1000", 4 [pid 6299] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6298] <... write resumed>) = 4 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6298] close(3 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6301 attached [pid 6301] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6301 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6298] <... close resumed>) = 0 [pid 6301] setpgid(0, 0) = 0 [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program executing program [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6298] write(1, "executing program\n", 18 [pid 6294] <... unshare resumed>) = 0 [pid 6298] <... write resumed>) = 18 [pid 6299] <... mmap resumed>) = 0x7f4033e12000 [pid 6301] write(3, "1000", 4 [pid 6298] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... write resumed>) = 4 [pid 6301] close(3 [pid 6294] <... futex resumed>) = 0 [pid 6301] <... close resumed>) = 0 [pid 6294] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] exit_group(0) = ? [pid 6301] write(1, "executing program\n", 18 [pid 6294] <... futex resumed>) = ? [pid 6301] <... write resumed>) = 18 [pid 6301] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6301] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6301] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6299] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6298] <... futex resumed>) = 0 [pid 6301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6294] +++ exited with 0 +++ [pid 6299] <... mprotect resumed>) = 0 [pid 6292] +++ exited with 0 +++ [pid 6298] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6292, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6298] <... mmap resumed>) = 0x7f4033e12000 ./strace-static-x86_64: Process 6303 attached [pid 6301] <... clone3 resumed> => {parent_tid=[6303]}, 88) = 6303 [pid 6301] rt_sigprocmask(SIG_SETMASK, [], [pid 6303] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... rseq resumed>) = 0 [pid 6301] <... futex resumed>) = 0 [pid 6303] set_robust_list(0x7f4033e329a0, 24 [pid 6301] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... set_robust_list resumed>) = 0 [pid 6299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6298] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5824] <... restart_syscall resumed>) = 0 [pid 6299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6305 attached [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6298] <... mprotect resumed>) = 0 [pid 6299] <... clone3 resumed> => {parent_tid=[6305]}, 88) = 6305 [pid 6305] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6298] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6303] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6305] <... rseq resumed>) = 0 [pid 6305] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6305] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6299] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6299] <... futex resumed>) = 1 [pid 6305] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6299] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6298] <... clone3 resumed> => {parent_tid=[6306]}, 88) = 6306 [pid 6298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6298] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6307 attached ./strace-static-x86_64: Process 6306 attached [pid 6298] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6307 [pid 6307] set_robust_list(0x5555576166a0, 24 [pid 6306] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6295] <... unshare resumed>) = 0 [pid 6306] <... rseq resumed>) = 0 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6306] set_robust_list(0x7f4033e329a0, 24 [pid 6295] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6306] <... set_robust_list resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6293] exit_group(0 [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] <... exit_group resumed>) = ? [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6307] <... prctl resumed>) = 0 [pid 6306] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6307] setpgid(0, 0) = 0 [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6295] +++ exited with 0 +++ [pid 6293] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6293, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6308 attached [pid 6307] write(3, "1000", 4) = 4 [pid 6307] close(3) = 0 [pid 6307] write(1, "executing program\n", 18) = 18 [pid 6307] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6307] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6308 [pid 6307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6308] set_robust_list(0x5555576166a0, 24) = 0 [pid 6307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] <... mmap resumed>) = 0x7f4033e12000 [pid 6307] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6308] <... prctl resumed>) = 0 [pid 6307] <... mprotect resumed>) = 0 [pid 6308] setpgid(0, 0 [pid 6307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6308] <... setpgid resumed>) = 0 [pid 6307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program ./strace-static-x86_64: Process 6310 attached [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6308] <... openat resumed>) = 3 [pid 6308] write(3, "1000", 4) = 4 [pid 6308] close(3) = 0 [pid 6308] write(1, "executing program\n", 18) = 18 [pid 6308] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6308] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6308] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6311]}, 88) = 6311 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6308] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6308] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6307] <... clone3 resumed> => {parent_tid=[6310]}, 88) = 6310 [pid 6310] <... rseq resumed>) = 0 [pid 6310] set_robust_list(0x7f4033e329a0, 24 [pid 6303] <... unshare resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], [pid 6310] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6310] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6311 attached [pid 6311] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6310] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6307] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] exit_group(0) = ? [pid 6311] <... rseq resumed>) = 0 [pid 6303] <... futex resumed>) = ? [pid 6311] set_robust_list(0x7f4033e329a0, 24 [pid 6303] +++ exited with 0 +++ [pid 6301] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6301, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6311] <... set_robust_list resumed>) = 0 [pid 6311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6311] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5821] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6313 attached [pid 6306] <... unshare resumed>) = 0 [pid 6306] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6306] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6313 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6298] exit_group(0 [pid 6306] <... futex resumed>) = ? [pid 6298] <... exit_group resumed>) = ? [pid 6313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6313] setpgid(0, 0) = 0 [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6306] +++ exited with 0 +++ [pid 6298] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6298, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6313] <... openat resumed>) = 3 [pid 6313] write(3, "1000", 4 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6313] <... write resumed>) = 4 [pid 6307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6314 attached [pid 6313] close(3 [pid 6314] set_robust_list(0x5555576166a0, 24) = 0 [pid 6314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6314] setpgid(0, 0) = 0 [pid 6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6314 [pid 6314] write(3, "1000", 4) = 4 [pid 6314] close(3executing program ) = 0 [pid 6314] write(1, "executing program\n", 18) = 18 [pid 6314] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6314] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6313] <... close resumed>) = 0 [pid 6314] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6313] write(1, "executing program\n", 18 [pid 6314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6313] <... write resumed>) = 18 [pid 6314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6313] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6313] <... futex resumed>) = 0 [pid 6314] <... mmap resumed>) = 0x7f4033e12000 [pid 6314] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6313] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6314] <... mprotect resumed>) = 0 [pid 6313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6313] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6314] <... clone3 resumed> => {parent_tid=[6315]}, 88) = 6315 [pid 6314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6315 attached [pid 6314] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6315] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6316 attached [pid 6315] <... rseq resumed>) = 0 [pid 6315] set_robust_list(0x7f4033e329a0, 24 [pid 6313] <... clone3 resumed> => {parent_tid=[6316]}, 88) = 6316 [pid 6316] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] <... rseq resumed>) = 0 [pid 6315] rt_sigprocmask(SIG_SETMASK, [], [pid 6314] <... futex resumed>) = 0 [pid 6313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] set_robust_list(0x7f4033e329a0, 24 [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6314] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6313] <... futex resumed>) = 0 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6313] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6305] <... unshare resumed>) = 0 [pid 6305] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6305] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] exit_group(0 [pid 6305] <... futex resumed>) = ? [pid 6299] <... exit_group resumed>) = ? [pid 6305] +++ exited with 0 +++ [pid 6299] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6299, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6318 attached , child_tidptr=0x555557616690) = 6318 [pid 6318] set_robust_list(0x5555576166a0, 24) = 0 [pid 6318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6318] setpgid(0, 0) = 0 [pid 6318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6318] write(3, "1000", 4) = 4 [pid 6318] close(3) = 0 executing program [pid 6318] write(1, "executing program\n", 18) = 18 [pid 6318] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6318] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6318] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6319 attached [pid 6319] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6318] <... clone3 resumed> => {parent_tid=[6319]}, 88) = 6319 [pid 6319] <... rseq resumed>) = 0 [pid 6318] rt_sigprocmask(SIG_SETMASK, [], [pid 6319] set_robust_list(0x7f4033e329a0, 24 [pid 6318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] <... set_robust_list resumed>) = 0 [pid 6318] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] rt_sigprocmask(SIG_SETMASK, [], [pid 6318] <... futex resumed>) = 0 [pid 6319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6318] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6310] <... unshare resumed>) = 0 [pid 6310] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6310] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] exit_group(0) = ? [pid 6310] <... futex resumed>) = ? [pid 6310] +++ exited with 0 +++ [pid 6307] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6307, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6321 attached , child_tidptr=0x555557616690) = 6321 [pid 6321] set_robust_list(0x5555576166a0, 24) = 0 [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6321] <... prctl resumed>) = 0 [pid 6321] setpgid(0, 0) = 0 [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6311] <... unshare resumed>) = 0 [pid 6321] write(3, "1000", 4) = 4 [pid 6311] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6308] exit_group(0 [pid 6321] close(3 [pid 6315] <... unshare resumed>) = 0 [pid 6308] <... exit_group resumed>) = ? [pid 6321] <... close resumed>) = 0 [pid 6321] write(1, "executing program\n", 18 [pid 6315] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6315] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] <... write resumed>) = 18 [pid 6321] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6314] exit_group(0 [pid 6315] <... futex resumed>) = ? [pid 6314] <... exit_group resumed>) = ? [pid 6321] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6315] +++ exited with 0 +++ [pid 6311] +++ exited with 0 +++ [pid 6308] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6308, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6321] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6314] +++ exited with 0 +++ [pid 6321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] <... restart_syscall resumed>) = 0 [pid 6321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6314, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6321] <... mmap resumed>) = 0x7f4033e12000 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6321] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6324 attached ./strace-static-x86_64: Process 6325 attached [pid 6321] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6324] set_robust_list(0x5555576166a0, 24 [pid 6325] set_robust_list(0x5555576166a0, 24 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6321] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6316] <... unshare resumed>) = 0 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6324 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6325 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] <... prctl resumed>) = 0 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6324] setpgid(0, 0./strace-static-x86_64: Process 6327 attached [pid 6325] <... prctl resumed>) = 0 [pid 6324] <... setpgid resumed>) = 0 [pid 6316] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] setpgid(0, 0 [pid 6321] <... clone3 resumed> => {parent_tid=[6327]}, 88) = 6327 [pid 6316] <... futex resumed>) = 0 [pid 6316] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] exit_group(0 [pid 6321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6327] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... setpgid resumed>) = 0 [pid 6316] <... futex resumed>) = ? [pid 6313] <... exit_group resumed>) = ? [pid 6327] <... rseq resumed>) = 0 [pid 6324] <... openat resumed>) = 3 [pid 6321] <... futex resumed>) = 0 [pid 6321] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] +++ exited with 0 +++ [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6327] set_robust_list(0x7f4033e329a0, 24 [pid 6325] <... openat resumed>) = 3 [pid 6324] write(3, "1000", 4 [pid 6313] +++ exited with 0 +++ [pid 6327] <... set_robust_list resumed>) = 0 [pid 6325] write(3, "1000", 4 [pid 6324] <... write resumed>) = 4 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6313, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6327] rt_sigprocmask(SIG_SETMASK, [], [pid 6325] <... write resumed>) = 4 [pid 6324] close(3 [pid 6327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6327] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6325] close(3 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program ./strace-static-x86_64: Process 6329 attached [pid 6325] <... close resumed>) = 0 [pid 6324] <... close resumed>) = 0 [pid 6319] <... unshare resumed>) = 0 [pid 6329] set_robust_list(0x5555576166a0, 24 [pid 6325] write(1, "executing program\n", 18 [pid 6324] write(1, "executing program\n", 18 [pid 6319] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6329 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6325] <... write resumed>) = 18 [pid 6324] <... write resumed>) = 18 [pid 6319] <... futex resumed>) = 0 [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6325] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] exit_group(0 [pid 6329] <... prctl resumed>) = 0 [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6329] setpgid(0, 0 [pid 6324] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6325] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6329] <... setpgid resumed>) = 0 [pid 6325] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6319] <... futex resumed>) = ? [pid 6318] <... exit_group resumed>) = ? [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6319] +++ exited with 0 +++ [pid 6318] +++ exited with 0 +++ [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6324] <... mmap resumed>) = 0x7f4033e12000 [pid 6324] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6318, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6325] <... mmap resumed>) = 0x7f4033e12000 [pid 6324] <... mprotect resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6329] <... openat resumed>) = 3 [pid 6325] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6329] write(3, "1000", 4 [pid 6324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6330 attached => {parent_tid=[6330]}, 88) = 6330 [pid 6324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6329] <... write resumed>) = 4 [pid 6324] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... mprotect resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6329] close(3 [pid 6324] <... futex resumed>) = 0 [pid 6329] <... close resumed>) = 0 [pid 6325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6324] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6330] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6329] write(1, "executing program\n", 18 [pid 6325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6330] <... rseq resumed>) = 0 [pid 6329] <... write resumed>) = 18 [pid 6325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6332 attached ./strace-static-x86_64: Process 6331 attached [pid 6330] set_robust_list(0x7f4033e329a0, 24 [pid 6329] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6325] <... clone3 resumed> => {parent_tid=[6332]}, 88) = 6332 [pid 6321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6331 [pid 6332] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6331] set_robust_list(0x5555576166a0, 24 [pid 6330] rt_sigprocmask(SIG_SETMASK, [], [pid 6329] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6325] rt_sigprocmask(SIG_SETMASK, [], [pid 6329] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6325] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6325] <... futex resumed>) = 0 [pid 6332] <... rseq resumed>) = 0 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6327] <... unshare resumed>) = 0 [pid 6325] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6332] set_robust_list(0x7f4033e329a0, 24 [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6330] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6329] <... mmap resumed>) = 0x7f4033e12000 [pid 6327] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] <... prctl resumed>) = 0 [pid 6329] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6327] <... futex resumed>) = 0 [pid 6327] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] <... mprotect resumed>) = 0 [pid 6332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6331] setpgid(0, 0 [pid 6329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6334 attached [pid 6321] exit_group(0 [pid 6334] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6329] <... clone3 resumed> => {parent_tid=[6334]}, 88) = 6334 [pid 6334] <... rseq resumed>) = 0 [pid 6329] rt_sigprocmask(SIG_SETMASK, [], [pid 6334] set_robust_list(0x7f4033e329a0, 24 [pid 6329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6329] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] rt_sigprocmask(SIG_SETMASK, [], [pid 6329] <... futex resumed>) = 0 [pid 6334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6334] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6332] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6331] <... setpgid resumed>) = 0 [pid 6329] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] <... futex resumed>) = ? [pid 6321] <... exit_group resumed>) = ? [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6327] +++ exited with 0 +++ [pid 6321] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6321, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6331] write(3, "1000", 4) = 4 [pid 6331] close(3) = 0 [pid 5824] <... restart_syscall resumed>) = 0 executing program [pid 6331] write(1, "executing program\n", 18) = 18 [pid 6331] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6331] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6335 attached [pid 6324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6335 [pid 6335] set_robust_list(0x5555576166a0, 24) = 0 [pid 6331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6331] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6331] <... mprotect resumed>) = 0 [pid 6331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6335] <... prctl resumed>) = 0 [pid 6331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6335] setpgid(0, 0 [pid 6331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6336 attached [pid 6335] <... setpgid resumed>) = 0 [pid 6336] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6331] <... clone3 resumed> => {parent_tid=[6336]}, 88) = 6336 [pid 6331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] <... rseq resumed>) = 0 [pid 6336] set_robust_list(0x7f4033e329a0, 24 [pid 6331] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6336] rt_sigprocmask(SIG_SETMASK, [], [pid 6331] <... futex resumed>) = 0 [pid 6336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6336] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6335] <... openat resumed>) = 3 [pid 6331] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6335] write(3, "1000", 4) = 4 [pid 6335] close(3) = 0 [pid 6335] write(1, "executing program\n", 18executing program ) = 18 [pid 6335] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6335] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6335] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6329] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6337 attached [pid 6335] <... clone3 resumed> => {parent_tid=[6337]}, 88) = 6337 [pid 6337] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6335] rt_sigprocmask(SIG_SETMASK, [], [pid 6337] <... rseq resumed>) = 0 [pid 6335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6337] set_robust_list(0x7f4033e329a0, 24 [pid 6335] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6335] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... set_robust_list resumed>) = 0 [pid 6337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6337] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6330] <... unshare resumed>) = 0 [pid 6330] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6330] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] exit_group(0 [pid 6330] <... futex resumed>) = ? [pid 6324] <... exit_group resumed>) = ? [pid 6330] +++ exited with 0 +++ [pid 6324] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6339 attached , child_tidptr=0x555557616690) = 6339 [pid 6339] set_robust_list(0x5555576166a0, 24) = 0 [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6339] setpgid(0, 0) = 0 [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6339] write(3, "1000", 4) = 4 [pid 6339] close(3) = 0 [pid 6339] write(1, "executing program\n", 18executing program ) = 18 [pid 6339] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6339] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6339] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6340 attached [pid 6340] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6339] <... clone3 resumed> => {parent_tid=[6340]}, 88) = 6340 [pid 6340] <... rseq resumed>) = 0 [pid 6339] rt_sigprocmask(SIG_SETMASK, [], [pid 6340] set_robust_list(0x7f4033e329a0, 24 [pid 6339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] rt_sigprocmask(SIG_SETMASK, [], [pid 6339] <... futex resumed>) = 0 [pid 6340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6339] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6334] <... unshare resumed>) = 0 [pid 6334] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] exit_group(0 [pid 6334] <... futex resumed>) = ? [pid 6329] <... exit_group resumed>) = ? [pid 6334] +++ exited with 0 +++ [pid 6329] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6339] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6342 attached [pid 6332] <... unshare resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6342 [pid 6342] set_robust_list(0x5555576166a0, 24 [pid 6332] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6332] <... futex resumed>) = 0 [pid 6332] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] exit_group(0 [pid 6332] <... futex resumed>) = ? [pid 6325] <... exit_group resumed>) = ? [pid 6342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6342] setpgid(0, 0 [pid 6332] +++ exited with 0 +++ [pid 6325] +++ exited with 0 +++ [pid 6342] <... setpgid resumed>) = 0 [pid 6342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6325, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6342] <... openat resumed>) = 3 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6342] write(3, "1000", 4 [pid 6337] <... unshare resumed>) = 0 [pid 6336] <... unshare resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6342] <... write resumed>) = 4 [pid 6337] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] exit_group(0 [pid 6342] close(3 [pid 6337] <... futex resumed>) = 0 [pid 6336] <... futex resumed>) = ? [pid 6331] <... exit_group resumed>) = ? [pid 6337] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] +++ exited with 0 +++ [pid 6331] +++ exited with 0 +++ [pid 6335] exit_group(0 [pid 6337] <... futex resumed>) = ? [pid 6335] <... exit_group resumed>) = ? [pid 6337] +++ exited with 0 +++ [pid 6335] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6331, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6342] <... close resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6346 attached [pid 6342] write(1, "executing program\n", 18 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6335, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6346] set_robust_list(0x5555576166a0, 24 [pid 6342] <... write resumed>) = 18 [pid 6340] <... unshare resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6348 attached [pid 6346] <... set_robust_list resumed>) = 0 [pid 6342] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] exit_group(0) = ? ./strace-static-x86_64: Process 6349 attached [pid 6342] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = ? [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6348 [pid 6349] set_robust_list(0x5555576166a0, 24 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6346 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] set_robust_list(0x5555576166a0, 24 [pid 6346] <... prctl resumed>) = 0 [pid 6342] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6340] +++ exited with 0 +++ [pid 6339] +++ exited with 0 +++ [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6349 [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] <... set_robust_list resumed>) = 0 [pid 6346] setpgid(0, 0 [pid 6342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6339, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6349] <... prctl resumed>) = 0 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6346] <... setpgid resumed>) = 0 [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] setpgid(0, 0 [pid 6348] <... prctl resumed>) = 0 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] setpgid(0, 0 [pid 6349] <... setpgid resumed>) = 0 [pid 6348] <... setpgid resumed>) = 0 [pid 6342] <... mmap resumed>) = 0x7f4033e12000 [pid 6346] <... openat resumed>) = 3 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6346] write(3, "1000", 4 [pid 6342] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6346] <... write resumed>) = 4 [pid 6346] close(3 [pid 6342] <... mprotect resumed>) = 0 executing program [pid 6349] write(3, "1000", 4 [pid 6348] <... openat resumed>) = 3 [pid 6346] <... close resumed>) = 0 [pid 6342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6349] <... write resumed>) = 4 [pid 6348] write(3, "1000", 4 [pid 6346] write(1, "executing program\n", 18 [pid 6342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6348] <... write resumed>) = 4 [pid 6346] <... write resumed>) = 18 [pid 6342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6348] close(3 [pid 6346] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6350 attached [pid 6349] close(3 [pid 6348] <... close resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6350] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053executing program executing program [pid 6349] <... close resumed>) = 0 [pid 6348] write(1, "executing program\n", 18 [pid 6350] <... rseq resumed>) = 0 [pid 6349] write(1, "executing program\n", 18 [pid 6346] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6348] <... write resumed>) = 18 [pid 6342] <... clone3 resumed> => {parent_tid=[6350]}, 88) = 6350 [pid 6350] set_robust_list(0x7f4033e329a0, 24 [pid 6349] <... write resumed>) = 18 [pid 6348] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6342] rt_sigprocmask(SIG_SETMASK, [], [pid 6350] <... set_robust_list resumed>) = 0 [pid 6349] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 0 [pid 6346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6350] rt_sigprocmask(SIG_SETMASK, [], [pid 6349] <... futex resumed>) = 0 [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6342] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6342] <... futex resumed>) = 0 [pid 6350] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6349] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6346] <... mmap resumed>) = 0x7f4033e12000 [pid 6342] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6351 attached [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6346] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6351] set_robust_list(0x5555576166a0, 24) = 0 [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] <... mprotect resumed>) = 0 [pid 6348] <... mmap resumed>) = 0x7f4033e12000 [pid 6346] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6351] <... prctl resumed>) = 0 [pid 6346] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6348] <... mprotect resumed>) = 0 [pid 6346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6351] setpgid(0, 0 [pid 6349] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6352 attached [pid 6351] <... setpgid resumed>) = 0 [pid 6349] <... mprotect resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6346] <... clone3 resumed> => {parent_tid=[6352]}, 88) = 6352 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6348] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6346] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] <... openat resumed>) = 3 [pid 6349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6346] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6353 attached [pid 6352] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6351] write(3, "1000", 4 [pid 6349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6346] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6351 ./strace-static-x86_64: Process 6354 attached [pid 6352] <... rseq resumed>) = 0 [pid 6351] <... write resumed>) = 4 [pid 6346] <... futex resumed>) = 0 [pid 6354] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6353] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6352] set_robust_list(0x7f4033e329a0, 24executing program [pid 6351] close(3 [pid 6349] <... clone3 resumed> => {parent_tid=[6354]}, 88) = 6354 [pid 6348] <... clone3 resumed> => {parent_tid=[6353]}, 88) = 6353 [pid 6346] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] <... rseq resumed>) = 0 [pid 6353] <... rseq resumed>) = 0 [pid 6352] <... set_robust_list resumed>) = 0 [pid 6351] <... close resumed>) = 0 [pid 6348] rt_sigprocmask(SIG_SETMASK, [], [pid 6354] set_robust_list(0x7f4033e329a0, 24 [pid 6351] write(1, "executing program\n", 18 [pid 6348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6351] <... write resumed>) = 18 [pid 6353] set_robust_list(0x7f4033e329a0, 24 [pid 6352] rt_sigprocmask(SIG_SETMASK, [], [pid 6349] rt_sigprocmask(SIG_SETMASK, [], [pid 6353] <... set_robust_list resumed>) = 0 [pid 6352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6353] rt_sigprocmask(SIG_SETMASK, [], [pid 6352] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6349] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6353] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] rt_sigprocmask(SIG_SETMASK, [], [pid 6351] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6348] <... futex resumed>) = 1 [pid 6354] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6353] <... futex resumed>) = 0 [pid 6353] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6348] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6351] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6351] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6355 attached => {parent_tid=[6355]}, 88) = 6355 [pid 6351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6351] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6351] <... futex resumed>) = 0 [pid 6355] <... rseq resumed>) = 0 [pid 6355] set_robust_list(0x7f4033e329a0, 24 [pid 6351] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... set_robust_list resumed>) = 0 [pid 6349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6349] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6349] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6355] rt_sigprocmask(SIG_SETMASK, [], [pid 6346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6348] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6355] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6354] <... unshare resumed>) = 0 [pid 6354] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6354] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] <... unshare resumed>) = 0 [pid 6350] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6342] exit_group(0 [pid 6350] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6342] <... exit_group resumed>) = ? [pid 6349] exit_group(0) = ? [pid 6354] <... futex resumed>) = ? [pid 6350] +++ exited with 0 +++ [pid 6342] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6342, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6354] +++ exited with 0 +++ [pid 6349] +++ exited with 0 +++ [pid 5821] <... restart_syscall resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6359 ./strace-static-x86_64: Process 6359 attached [pid 6352] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 6361 attached [pid 6359] set_robust_list(0x5555576166a0, 24 [pid 6361] set_robust_list(0x5555576166a0, 24 [pid 6353] <... unshare resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6361 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6353] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] <... set_robust_list resumed>) = 0 [pid 6352] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6352] <... futex resumed>) = 0 [pid 6359] <... prctl resumed>) = 0 [pid 6359] setpgid(0, 0 [pid 6352] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] <... setpgid resumed>) = 0 [pid 6361] <... prctl resumed>) = 0 [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6353] <... futex resumed>) = 0 [pid 6348] exit_group(0 [pid 6346] exit_group(0executing program [pid 6361] setpgid(0, 0 [pid 6359] <... openat resumed>) = 3 [pid 6352] <... futex resumed>) = ? [pid 6348] <... exit_group resumed>) = ? [pid 6346] <... exit_group resumed>) = ? [pid 6359] write(3, "1000", 4 [pid 6353] +++ exited with 0 +++ [pid 6352] +++ exited with 0 +++ [pid 6359] <... write resumed>) = 4 [pid 6359] close(3) = 0 [pid 6359] write(1, "executing program\n", 18 [pid 6361] <... setpgid resumed>) = 0 [pid 6359] <... write resumed>) = 18 [pid 6348] +++ exited with 0 +++ [pid 6346] +++ exited with 0 +++ [pid 6361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6346, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6348, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6361] <... openat resumed>) = 3 [pid 6359] <... futex resumed>) = 0 [pid 6361] write(3, "1000", 4 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6361] <... write resumed>) = 4 [pid 6359] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6355] <... unshare resumed>) = 0 [pid 6361] close(3) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6363 attached executing program [pid 6361] write(1, "executing program\n", 18 [pid 6359] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6364 attached [pid 6363] set_robust_list(0x5555576166a0, 24 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6364 [pid 6364] set_robust_list(0x5555576166a0, 24 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6361] <... write resumed>) = 18 [pid 6359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6355] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6355] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6351] exit_group(0 [pid 6361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6355] <... futex resumed>) = ? [pid 6351] <... exit_group resumed>) = ? [pid 6363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6355] +++ exited with 0 +++ [pid 6364] <... set_robust_list resumed>) = 0 [pid 6351] +++ exited with 0 +++ [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6363 [pid 6364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6363] <... prctl resumed>) = 0 [pid 6361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6351, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6364] <... prctl resumed>) = 0 [pid 6363] setpgid(0, 0 [pid 6359] <... mmap resumed>) = 0x7f4033e12000 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6364] setpgid(0, 0 [pid 6363] <... setpgid resumed>) = 0 [pid 6359] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6361] <... mmap resumed>) = 0x7f4033e12000 [pid 6359] <... mprotect resumed>) = 0 [pid 6363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6364] <... setpgid resumed>) = 0 executing program [pid 5820] <... restart_syscall resumed>) = 0 [pid 6363] <... openat resumed>) = 3 [pid 6364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6363] write(3, "1000", 4 [pid 6359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6363] <... write resumed>) = 4 [pid 6359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6363] close(3./strace-static-x86_64: Process 6365 attached ) = 0 [pid 6363] write(1, "executing program\n", 18 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6359] <... clone3 resumed> => {parent_tid=[6365]}, 88) = 6365 [pid 6363] <... write resumed>) = 18 [pid 6359] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] <... futex resumed>) = 0 [pid 6359] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6363] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6361] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6359] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6366 attached [pid 6365] <... rseq resumed>) = 0 [pid 6364] <... openat resumed>) = 3 [pid 6363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6361] <... mprotect resumed>) = 0 [pid 6359] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] set_robust_list(0x5555576166a0, 24 [pid 6365] set_robust_list(0x7f4033e329a0, 24 [pid 6364] write(3, "1000", 4 [pid 6363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6366 [pid 6366] <... set_robust_list resumed>) = 0 [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... write resumed>) = 4 [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6365] rt_sigprocmask(SIG_SETMASK, [], [pid 6364] close(3 [pid 6363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] <... close resumed>) = 0 [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6364] write(1, "executing program\n", 18 [pid 6363] <... mmap resumed>) = 0x7f4033e12000 [pid 6361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6366] <... prctl resumed>) = 0 [pid 6361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6367 attached [pid 6366] setpgid(0, 0) = 0 [pid 6361] <... clone3 resumed> => {parent_tid=[6367]}, 88) = 6367 executing program [pid 6367] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6364] <... write resumed>) = 18 [pid 6363] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6361] rt_sigprocmask(SIG_SETMASK, [], [pid 6367] <... rseq resumed>) = 0 [pid 6366] <... openat resumed>) = 3 [pid 6364] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... mprotect resumed>) = 0 [pid 6361] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6367] set_robust_list(0x7f4033e329a0, 24 [pid 6366] write(3, "1000", 4 [pid 6361] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... set_robust_list resumed>) = 0 [pid 6366] <... write resumed>) = 4 [pid 6361] <... futex resumed>) = 0 [pid 6367] rt_sigprocmask(SIG_SETMASK, [], [pid 6366] close(3 [pid 6361] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] <... close resumed>) = 0 [pid 6367] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6366] write(1, "executing program\n", 18) = 18 [pid 6364] <... futex resumed>) = 0 [pid 6363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6364] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6366] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6366] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6368 attached NULL, 8) = 0 [pid 6368] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6363] <... clone3 resumed> => {parent_tid=[6368]}, 88) = 6368 [pid 6368] <... rseq resumed>) = 0 [pid 6366] <... mmap resumed>) = 0x7f4033e12000 [pid 6363] rt_sigprocmask(SIG_SETMASK, [], [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6364] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6366] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6369 attached [pid 6368] set_robust_list(0x7f4033e329a0, 24 [pid 6366] <... mprotect resumed>) = 0 [pid 6369] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6368] rt_sigprocmask(SIG_SETMASK, [], [pid 6364] <... clone3 resumed> => {parent_tid=[6369]}, 88) = 6369 [pid 6369] <... rseq resumed>) = 0 [pid 6368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6369] set_robust_list(0x7f4033e329a0, 24 [pid 6368] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6369] rt_sigprocmask(SIG_SETMASK, [], [pid 6366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6369] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6364] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] <... clone3 resumed> => {parent_tid=[6370]}, 88) = 6370 ./strace-static-x86_64: Process 6370 attached [pid 6366] rt_sigprocmask(SIG_SETMASK, [], [pid 6363] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6366] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = 1 [pid 6366] <... futex resumed>) = 0 [pid 6366] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6363] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6368] <... futex resumed>) = 0 [pid 6364] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6370] <... rseq resumed>) = 0 [pid 6369] <... futex resumed>) = 0 [pid 6368] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6364] <... futex resumed>) = 1 [pid 6370] set_robust_list(0x7f4033e329a0, 24 [pid 6369] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6370] <... set_robust_list resumed>) = 0 [pid 6364] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6370] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6365] <... unshare resumed>) = 0 [pid 6365] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6359] exit_group(0) = ? [pid 6365] +++ exited with 0 +++ [pid 6359] +++ exited with 0 +++ [pid 6367] <... unshare resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6359, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6367] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6367] <... futex resumed>) = 0 [pid 6361] exit_group(0) = ? ./strace-static-x86_64: Process 6373 attached [pid 6367] +++ exited with 0 +++ [pid 6361] +++ exited with 0 +++ [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6373 [pid 6373] set_robust_list(0x5555576166a0, 24 [pid 6368] <... unshare resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6361, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6373] <... set_robust_list resumed>) = 0 [pid 6368] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6368] <... futex resumed>) = 0 [pid 6373] <... prctl resumed>) = 0 [pid 6368] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] exit_group(0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6373] setpgid(0, 0 [pid 6363] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6375 attached [pid 6373] <... setpgid resumed>) = 0 [pid 6368] <... futex resumed>) = ? [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6375 [pid 6375] set_robust_list(0x5555576166a0, 24 [pid 6373] <... openat resumed>) = 3 [pid 6368] +++ exited with 0 +++ [pid 6363] +++ exited with 0 +++ [pid 6373] write(3, "1000", 4 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6363, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6370] <... unshare resumed>) = 0 [pid 6373] <... write resumed>) = 4 [pid 6373] close(3 [pid 6370] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... close resumed>) = 0 [pid 6370] <... futex resumed>) = 0 executing program [pid 6373] write(1, "executing program\n", 18 [pid 6370] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... set_robust_list resumed>) = 0 [pid 6373] <... write resumed>) = 18 [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6373] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] setpgid(0, 0) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] exit_group(0 [pid 6375] <... openat resumed>) = 3 [pid 6373] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6370] <... futex resumed>) = ? [pid 6366] <... exit_group resumed>) = ? [pid 6375] write(3, "1000", 4 [pid 6373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6370] +++ exited with 0 +++ [pid 6375] <... write resumed>) = 4 [pid 6373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6366] +++ exited with 0 +++ [pid 6375] close(3 [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6375] <... close resumed>) = 0 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6375] write(1, "executing program\n", 18 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6366, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6373] <... mmap resumed>) = 0x7f4033e12000 [pid 6375] <... write resumed>) = 18 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6375] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6375] <... futex resumed>) = 0 [pid 6369] <... unshare resumed>) = 0 [pid 6375] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6373] <... mprotect resumed>) = 0 [pid 6369] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6369] <... futex resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6369] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6364] exit_group(0./strace-static-x86_64: Process 6378 attached [pid 6375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6369] <... futex resumed>) = ? [pid 6364] <... exit_group resumed>) = ? [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6378] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6375] <... mmap resumed>) = 0x7f4033e12000 [pid 6369] +++ exited with 0 +++ [pid 6364] +++ exited with 0 +++ [pid 6375] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6364, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6378] <... rseq resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6375] <... mprotect resumed>) = 0 [pid 6378] set_robust_list(0x7f4033e329a0, 24./strace-static-x86_64: Process 6379 attached ) = 0 [pid 6375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6379] set_robust_list(0x5555576166a0, 24) = 0 ./strace-static-x86_64: Process 6380 attached [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6378] rt_sigprocmask(SIG_SETMASK, [], [pid 6375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6373] <... clone3 resumed> => {parent_tid=[6378]}, 88) = 6378 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6379 [pid 6380] set_robust_list(0x5555576166a0, 24./strace-static-x86_64: Process 6381 attached ) = 0 [pid 6379] <... prctl resumed>) = 0 [pid 6378] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6380 [pid 6381] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6379] setpgid(0, 0 [pid 6375] <... clone3 resumed> => {parent_tid=[6381]}, 88) = 6381 [pid 6381] <... rseq resumed>) = 0 [pid 6380] <... prctl resumed>) = 0 [pid 6375] rt_sigprocmask(SIG_SETMASK, [], [pid 6373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6381] set_robust_list(0x7f4033e329a0, 24 [pid 6380] setpgid(0, 0 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6380] <... setpgid resumed>) = 0 [pid 6373] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] rt_sigprocmask(SIG_SETMASK, [], [pid 6375] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6381] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6378] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6375] <... futex resumed>) = 0 [pid 6373] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... setpgid resumed>) = 0 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6379] write(3, "1000", 4executing program ) = 4 [pid 6379] close(3) = 0 [pid 6379] write(1, "executing program\n", 18) = 18 [pid 6379] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6379] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6379] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6375] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6383 attached ./strace-static-x86_64: Process 6382 attached [pid 6380] <... openat resumed>) = 3 [pid 6379] <... clone3 resumed> => {parent_tid=[6382]}, 88) = 6382 [pid 6383] set_robust_list(0x5555576166a0, 24 [pid 6382] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6380] write(3, "1000", 4 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6382] <... rseq resumed>) = 0 [pid 6380] <... write resumed>) = 4 [pid 6383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6382] set_robust_list(0x7f4033e329a0, 24 [pid 6380] close(3 [pid 6379] rt_sigprocmask(SIG_SETMASK, [], [pid 6383] <... prctl resumed>) = 0 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6380] <... close resumed>) = 0 [pid 6379] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6383 [pid 6383] setpgid(0, 0 [pid 6382] rt_sigprocmask(SIG_SETMASK, [], [pid 6380] write(1, "executing program\n", 18 [pid 6382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6380] <... write resumed>) = 18 [pid 6382] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6380] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6380] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6383] <... setpgid resumed>) = 0 [pid 6379] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6384 attached [pid 6380] <... clone3 resumed> => {parent_tid=[6384]}, 88) = 6384 [pid 6380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6380] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6380] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = 0 [pid 6384] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6379] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6382] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6384] <... rseq resumed>) = 0 [pid 6383] <... openat resumed>) = 3 [pid 6384] set_robust_list(0x7f4033e329a0, 24 [pid 6383] write(3, "1000", 4 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6384] rt_sigprocmask(SIG_SETMASK, [], executing program NULL, 8) = 0 [pid 6384] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6383] <... write resumed>) = 4 [pid 6383] close(3) = 0 [pid 6383] write(1, "executing program\n", 18 [pid 6375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6383] <... write resumed>) = 18 [pid 6383] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6383] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6383] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6385 attached => {parent_tid=[6385]}, 88) = 6385 [pid 6383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6383] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6383] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6380] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6380] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6385] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6385] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6381] <... unshare resumed>) = 0 [pid 6379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6378] <... unshare resumed>) = 0 [pid 6385] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6378] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = 0 [pid 6381] <... futex resumed>) = 0 [pid 6378] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] exit_group(0 [pid 6375] exit_group(0 [pid 6378] <... futex resumed>) = ? [pid 6373] <... exit_group resumed>) = ? [pid 6381] <... futex resumed>) = ? [pid 6378] +++ exited with 0 +++ [pid 6375] <... exit_group resumed>) = ? [pid 6381] +++ exited with 0 +++ [pid 6373] +++ exited with 0 +++ [pid 6375] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6373, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6375, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5824] <... restart_syscall resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6388 ./strace-static-x86_64: Process 6389 attached ./strace-static-x86_64: Process 6388 attached [pid 6389] set_robust_list(0x5555576166a0, 24 [pid 6383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6389 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6389] setpgid(0, 0) = 0 [pid 6388] set_robust_list(0x5555576166a0, 24 [pid 6389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6388] <... set_robust_list resumed>) = 0 [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6388] setpgid(0, 0) = 0 executing program executing program [pid 6389] <... openat resumed>) = 3 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6388] write(3, "1000", 4 [pid 6389] write(3, "1000", 4 [pid 6388] <... write resumed>) = 4 [pid 6389] <... write resumed>) = 4 [pid 6388] close(3 [pid 6389] close(3 [pid 6388] <... close resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6388] write(1, "executing program\n", 18 [pid 6389] write(1, "executing program\n", 18 [pid 6388] <... write resumed>) = 18 [pid 6389] <... write resumed>) = 18 [pid 6388] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6389] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6388] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6389] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6389] <... mprotect resumed>) = 0 [pid 6388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6388] <... mmap resumed>) = 0x7f4033e12000 [pid 6388] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6388] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6390 attached [pid 6389] <... clone3 resumed> => {parent_tid=[6390]}, 88) = 6390 [pid 6389] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6390] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6391 attached [pid 6390] <... rseq resumed>) = 0 [pid 6389] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6390] set_robust_list(0x7f4033e329a0, 24 [pid 6389] <... futex resumed>) = 0 [pid 6388] <... clone3 resumed> => {parent_tid=[6391]}, 88) = 6391 [pid 6391] <... rseq resumed>) = 0 [pid 6390] <... set_robust_list resumed>) = 0 [pid 6391] set_robust_list(0x7f4033e329a0, 24 [pid 6390] rt_sigprocmask(SIG_SETMASK, [], [pid 6389] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] rt_sigprocmask(SIG_SETMASK, [], [pid 6391] <... set_robust_list resumed>) = 0 [pid 6388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6391] rt_sigprocmask(SIG_SETMASK, [], [pid 6388] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6388] <... futex resumed>) = 0 [pid 6391] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6388] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6390] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6389] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6384] <... unshare resumed>) = 0 [pid 6384] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6384] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] exit_group(0) = ? [pid 6384] <... futex resumed>) = ? [pid 6384] +++ exited with 0 +++ [pid 6380] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6380, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6382] <... unshare resumed>) = 0 [pid 6382] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6379] exit_group(0 [pid 6382] ???( [pid 6379] <... exit_group resumed>) = ? [pid 6382] <... ??? resumed>) = ? [pid 6382] +++ exited with 0 +++ [pid 6379] +++ exited with 0 +++ [pid 6385] <... unshare resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6379, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6385] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6385] <... futex resumed>) = 0 [pid 6383] exit_group(0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6383] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6395 attached [pid 6395] set_robust_list(0x5555576166a0, 24./strace-static-x86_64: Process 6396 attached ) = 0 [pid 6385] +++ exited with 0 +++ [pid 6383] +++ exited with 0 +++ [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6395 [pid 6396] set_robust_list(0x5555576166a0, 24 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6383, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6396] <... set_robust_list resumed>) = 0 [pid 6396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6395] <... prctl resumed>) = 0 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6396] <... prctl resumed>) = 0 [pid 6395] setpgid(0, 0 [pid 6396] setpgid(0, 0 [pid 6395] <... setpgid resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6396 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6396] <... setpgid resumed>) = 0 [pid 6396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6396] <... openat resumed>) = 3 [pid 6395] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6397 attached [pid 6395] write(3, "1000", 4 [pid 6396] write(3, "1000", 4) = 4 [pid 6395] <... write resumed>) = 4 [pid 6397] set_robust_list(0x5555576166a0, 24 [pid 6396] close(3 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6397 executing program [pid 6397] <... set_robust_list resumed>) = 0 [pid 6396] <... close resumed>) = 0 [pid 6395] close(3 [pid 6396] write(1, "executing program\n", 18 [pid 6395] <... close resumed>) = 0 executing program [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6396] <... write resumed>) = 18 [pid 6395] write(1, "executing program\n", 18) = 18 [pid 6396] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6397] <... prctl resumed>) = 0 [pid 6396] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6395] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6390] <... unshare resumed>) = 0 [pid 6397] setpgid(0, 0 [pid 6395] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6396] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6395] <... mmap resumed>) = 0x7f4033e12000 [pid 6396] <... mmap resumed>) = 0x7f4033e12000 [pid 6395] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6397] <... setpgid resumed>) = 0 [pid 6396] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6391] <... unshare resumed>) = 0 [pid 6390] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] exit_group(0) = ? [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6390] <... futex resumed>) = ? [pid 6396] <... mprotect resumed>) = 0 [pid 6395] <... mprotect resumed>) = 0 [pid 6397] <... openat resumed>) = 3 [pid 6396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6391] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6397] write(3, "1000", 4 [pid 6396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6388] exit_group(0./strace-static-x86_64: Process 6400 attached [pid 6397] <... write resumed>) = 4 [pid 6388] <... exit_group resumed>) = ? [pid 6391] <... futex resumed>) = ? [pid 6397] close(3./strace-static-x86_64: Process 6401 attached [pid 6400] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6397] <... close resumed>) = 0 [pid 6396] <... clone3 resumed> => {parent_tid=[6400]}, 88) = 6400 [pid 6391] +++ exited with 0 +++ [pid 6401] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6400] <... rseq resumed>) = 0 [pid 6397] write(1, "executing program\n", 18 [pid 6396] rt_sigprocmask(SIG_SETMASK, [], [pid 6390] +++ exited with 0 +++ [pid 6389] +++ exited with 0 +++ [pid 6388] +++ exited with 0 +++ executing program [pid 6401] <... rseq resumed>) = 0 [pid 6397] <... write resumed>) = 18 [pid 6401] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6397] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6401] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] set_robust_list(0x7f4033e329a0, 24 [pid 6396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6396] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... clone3 resumed> => {parent_tid=[6401]}, 88) = 6401 [pid 6396] <... futex resumed>) = 0 [pid 6395] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6389, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6396] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6400] rt_sigprocmask(SIG_SETMASK, [], [pid 6395] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6401] <... futex resumed>) = 0 [pid 6400] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6395] <... futex resumed>) = 1 [pid 6401] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6395] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... futex resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6397] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5824] <... restart_syscall resumed>) = 0 [pid 6397] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6402 ./strace-static-x86_64: Process 6403 attached [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6403 [pid 6397] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6402 attached [pid 6403] set_robust_list(0x5555576166a0, 24 [pid 6397] <... mprotect resumed>) = 0 [pid 6397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6403] <... set_robust_list resumed>) = 0 [pid 6402] set_robust_list(0x5555576166a0, 24 [pid 6397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6402] <... set_robust_list resumed>) = 0 [pid 6397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6404 attached [pid 6403] <... prctl resumed>) = 0 [pid 6402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6403] setpgid(0, 0 [pid 6402] <... prctl resumed>) = 0 [pid 6397] <... clone3 resumed> => {parent_tid=[6404]}, 88) = 6404 [pid 6404] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6402] setpgid(0, 0 [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6404] set_robust_list(0x7f4033e329a0, 24 [pid 6402] <... setpgid resumed>) = 0 [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6404] <... set_robust_list resumed>) = 0 [pid 6397] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] rt_sigprocmask(SIG_SETMASK, [], [pid 6397] <... futex resumed>) = 0 [pid 6404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6397] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6403] <... setpgid resumed>) = 0 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6402] <... openat resumed>) = 3 [pid 6403] <... openat resumed>) = 3 [pid 6402] write(3, "1000", 4) = 4 [pid 6402] close(3 [pid 6396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6403] write(3, "1000", 4 [pid 6402] <... close resumed>) = 0 [pid 6395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 6403] <... write resumed>) = 4 [pid 6402] write(1, "executing program\n", 18 [pid 6403] close(3 [pid 6402] <... write resumed>) = 18 [pid 6403] <... close resumed>) = 0 executing program [pid 6402] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] write(1, "executing program\n", 18 [pid 6402] <... futex resumed>) = 0 [pid 6403] <... write resumed>) = 18 [pid 6402] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6403] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6403] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6402] <... mmap resumed>) = 0x7f4033e12000 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6402] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6403] <... mmap resumed>) = 0x7f4033e12000 [pid 6402] <... mprotect resumed>) = 0 [pid 6403] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6403] <... mprotect resumed>) = 0 [pid 6402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6405 attached [pid 6403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6405] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6402] <... clone3 resumed> => {parent_tid=[6405]}, 88) = 6405 [pid 6405] <... rseq resumed>) = 0 [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6405] set_robust_list(0x7f4033e329a0, 24 [pid 6402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6406 attached [pid 6405] <... set_robust_list resumed>) = 0 [pid 6403] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 6402] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... unshare resumed>) = 0 [pid 6406] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6403] rt_sigprocmask(SIG_SETMASK, [], [pid 6402] <... futex resumed>) = 0 [pid 6400] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... rseq resumed>) = 0 [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6402] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] <... futex resumed>) = 0 [pid 6396] exit_group(0 [pid 6406] set_robust_list(0x7f4033e329a0, 24 [pid 6405] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6403] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... exit_group resumed>) = ? [pid 6406] <... set_robust_list resumed>) = 0 [pid 6403] <... futex resumed>) = 0 [pid 6400] +++ exited with 0 +++ [pid 6396] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6396, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6406] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6403] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6408 attached [pid 6408] set_robust_list(0x5555576166a0, 24 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6408 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6408] setpgid(0, 0) = 0 [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6408] write(3, "1000", 4) = 4 [pid 6408] close(3) = 0 executing program [pid 6408] write(1, "executing program\n", 18) = 18 [pid 6408] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6408] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6408] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6409 attached => {parent_tid=[6409]}, 88) = 6409 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6408] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6408] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6409] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6409] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6401] <... unshare resumed>) = 0 [pid 6401] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6395] exit_group(0) = ? [pid 6401] +++ exited with 0 +++ [pid 6395] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6395, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6404] <... unshare resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6404] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6404] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] exit_group(0 [pid 6404] <... futex resumed>) = ? [pid 6397] <... exit_group resumed>) = ? [pid 6404] +++ exited with 0 +++ [pid 6397] +++ exited with 0 +++ [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6412 attached [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6397, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6412] set_robust_list(0x5555576166a0, 24) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6412 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] <... restart_syscall resumed>) = 0 [pid 6412] <... prctl resumed>) = 0 [pid 6412] setpgid(0, 0) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6413 attached ) = 3 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6413 [pid 6413] set_robust_list(0x5555576166a0, 24 [pid 6412] write(3, "1000", 4 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6412] <... write resumed>) = 4 [pid 6413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6412] close(3 [pid 6413] <... prctl resumed>) = 0 [pid 6412] <... close resumed>) = 0 [pid 6412] write(1, "executing program\n", 18executing program [pid 6413] setpgid(0, 0) = 0 [pid 6412] <... write resumed>) = 18 [pid 6412] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6412] <... futex resumed>) = 0 [pid 6412] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6413] <... openat resumed>) = 3 [pid 6412] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6413] write(3, "1000", 4 [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] <... write resumed>) = 4 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6413] close(3 [pid 6412] <... mmap resumed>) = 0x7f4033e12000 [pid 6412] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6413] <... close resumed>) = 0 [pid 6412] <... mprotect resumed>) = 0 [pid 6413] write(1, "executing program\n", 18 [pid 6412] rt_sigprocmask(SIG_BLOCK, ~[], executing program [], 8) = 0 [pid 6413] <... write resumed>) = 18 [pid 6412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6413] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6414 attached [pid 6413] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6414] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6413] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6412] <... clone3 resumed> => {parent_tid=[6414]}, 88) = 6414 [pid 6414] <... rseq resumed>) = 0 [pid 6413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 6414] set_robust_list(0x7f4033e329a0, 24 [pid 6413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] <... set_robust_list resumed>) = 0 [pid 6412] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] <... futex resumed>) = 0 [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6414] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6413] <... mmap resumed>) = 0x7f4033e12000 [pid 6413] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6412] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... clone3 resumed> => {parent_tid=[6415]}, 88) = 6415 [pid 6413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6413] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6413] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6415 attached [pid 6415] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6415] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6415] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6406] <... unshare resumed>) = 0 [pid 6406] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6406] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] exit_group(0 [pid 6406] <... futex resumed>) = ? [pid 6403] <... exit_group resumed>) = ? [pid 6406] +++ exited with 0 +++ [pid 6403] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6403, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6405] <... unshare resumed>) = 0 [pid 6405] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6405] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] exit_group(0) = ? [pid 6405] <... futex resumed>) = ? ./strace-static-x86_64: Process 6418 attached [pid 6418] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6418 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6405] +++ exited with 0 +++ [pid 6402] +++ exited with 0 +++ [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6418] setpgid(0, 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6402, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6418] <... setpgid resumed>) = 0 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6418] write(3, "1000", 4 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6418] <... write resumed>) = 4 [pid 6418] close(3) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6420 attached [pid 6418] write(1, "executing program\n", 18 [pid 6409] <... unshare resumed>) = 0 [pid 6420] set_robust_list(0x5555576166a0, 24 [pid 6418] <... write resumed>) = 18 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6420 [pid 6420] <... set_robust_list resumed>) = 0 [pid 6418] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6408] exit_group(0 [pid 6420] <... prctl resumed>) = 0 [pid 6418] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6408] <... exit_group resumed>) = ? [pid 6420] setpgid(0, 0) = 0 [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6409] +++ exited with 0 +++ [pid 6408] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6408, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6420] <... openat resumed>) = 3 [pid 6420] write(3, "1000", 4) = 4 [pid 6420] close(3executing program ) = 0 [pid 6420] write(1, "executing program\n", 18) = 18 [pid 6420] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6418] <... mmap resumed>) = 0x7f4033e12000 [pid 6418] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6415] <... unshare resumed>) = 0 [pid 6414] <... unshare resumed>) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6418] <... mprotect resumed>) = 0 [pid 6415] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6423 attached [pid 6420] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6415] <... futex resumed>) = 0 [pid 6414] <... futex resumed>) = 0 [pid 6413] exit_group(0 [pid 6423] set_robust_list(0x5555576166a0, 24 [pid 6420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6415] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] exit_group(0 [pid 6420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6423 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6415] <... futex resumed>) = ? [pid 6414] <... futex resumed>) = ? [pid 6413] <... exit_group resumed>) = ? [pid 6412] <... exit_group resumed>) = ? [pid 6420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6414] +++ exited with 0 +++ [pid 6420] <... mmap resumed>) = 0x7f4033e12000 [pid 6420] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6424 attached [pid 6424] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6420] <... clone3 resumed> => {parent_tid=[6424]}, 88) = 6424 [pid 6420] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] +++ exited with 0 +++ [pid 6424] <... rseq resumed>) = 0 [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6412, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6424] set_robust_list(0x7f4033e329a0, 24 [pid 6420] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6424] <... set_robust_list resumed>) = 0 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] <... futex resumed>) = 0 [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET./strace-static-x86_64: Process 6425 attached [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6415] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 6423] <... prctl resumed>) = 0 [pid 6418] <... clone3 resumed> => {parent_tid=[6425]}, 88) = 6425 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6413, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6425] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6423] setpgid(0, 0 [pid 6425] <... rseq resumed>) = 0 [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 6425] set_robust_list(0x7f4033e329a0, 24 [pid 6423] <... setpgid resumed>) = 0 [pid 6423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6425] <... set_robust_list resumed>) = 0 [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6426 attached [pid 6425] rt_sigprocmask(SIG_SETMASK, [], [pid 6423] <... openat resumed>) = 3 [pid 6418] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6427 attached [pid 6426] set_robust_list(0x5555576166a0, 24 [pid 6425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] set_robust_list(0x5555576166a0, 24 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6425] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6423] write(3, "1000", 4 [pid 6418] <... futex resumed>) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6426 [pid 6427] <... set_robust_list resumed>) = 0 [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6427 [pid 6423] <... write resumed>) = 4 [pid 6418] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] close(3 [pid 6426] <... prctl resumed>) = 0 executing program [pid 6427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6423] <... close resumed>) = 0 [pid 6427] <... prctl resumed>) = 0 [pid 6426] setpgid(0, 0 [pid 6423] write(1, "executing program\n", 18 [pid 6427] setpgid(0, 0 [pid 6426] <... setpgid resumed>) = 0 [pid 6423] <... write resumed>) = 18 [pid 6427] <... setpgid resumed>) = 0 [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6423] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6423] <... futex resumed>) = 0 [pid 6426] <... openat resumed>) = 3 [pid 6423] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6426] write(3, "1000", 4 [pid 6423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6426] <... write resumed>) = 4 [pid 6426] close(3) = 0 executing program [pid 6426] write(1, "executing program\n", 18 [pid 6423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6426] <... write resumed>) = 18 [pid 6423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6426] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6426] <... futex resumed>) = 0 [pid 6423] <... mmap resumed>) = 0x7f4033e12000 [pid 6426] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6423] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6427] <... openat resumed>) = 3 [pid 6426] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6423] <... mprotect resumed>) = 0 [pid 6426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6427] write(3, "1000", 4 [pid 6426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6427] <... write resumed>) = 4 [pid 6426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6427] close(3 [pid 6426] <... mmap resumed>) = 0x7f4033e12000 [pid 6423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6427] <... close resumed>) = 0 [pid 6426] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6427] write(1, "executing program\n", 18) = 18 [pid 6427] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... mprotect resumed>) = 0 [pid 6423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6428]}, 88) = 6428 [pid 6423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6426] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6423] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6423] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6429]}, 88) = 6429 [pid 6426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6426] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6426] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6429 attached ./strace-static-x86_64: Process 6428 attached [pid 6427] <... futex resumed>) = 0 [pid 6429] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6428] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6427] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6429] <... rseq resumed>) = 0 [pid 6428] <... rseq resumed>) = 0 [pid 6427] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6428] set_robust_list(0x7f4033e329a0, 24 [pid 6427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6429] set_robust_list(0x7f4033e329a0, 24 [pid 6427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] <... set_robust_list resumed>) = 0 [pid 6428] <... set_robust_list resumed>) = 0 [pid 6429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6428] rt_sigprocmask(SIG_SETMASK, [], [pid 6427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] <... mmap resumed>) = 0x7f4033e12000 [pid 6428] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6427] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6420] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6427] <... mprotect resumed>) = 0 [pid 6427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6429] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6430 attached [pid 6430] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6430] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6430] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] <... clone3 resumed> => {parent_tid=[6430]}, 88) = 6430 [pid 6427] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6427] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = 0 [pid 6427] <... futex resumed>) = 1 [pid 6430] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6427] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6426] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6427] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6424] <... unshare resumed>) = 0 [pid 6424] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6420] exit_group(0) = ? [pid 6424] +++ exited with 0 +++ [pid 6420] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6420, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6432 attached [pid 6432] set_robust_list(0x5555576166a0, 24) = 0 [pid 6432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6432] setpgid(0, 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6432 [pid 6432] <... setpgid resumed>) = 0 [pid 6432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6432] write(3, "1000", 4) = 4 [pid 6432] close(3) = 0 [pid 6432] write(1, "executing program\n", 18executing program ) = 18 [pid 6432] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6432] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6432] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6433]}, 88) = 6433 [pid 6432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6432] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6432] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6433 attached [pid 6433] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6433] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6433] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6425] <... unshare resumed>) = 0 [pid 6425] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] exit_group(0) = ? [pid 6425] <... futex resumed>) = ? [pid 6429] <... unshare resumed>) = 0 [pid 6429] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6429] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] +++ exited with 0 +++ [pid 6418] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6418, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6426] exit_group(0 [pid 6429] <... futex resumed>) = ? [pid 6426] <... exit_group resumed>) = ? [pid 6429] +++ exited with 0 +++ [pid 6426] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6426, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6430] <... unshare resumed>) = 0 [pid 6428] <... unshare resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6430] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] exit_group(0 [pid 6423] exit_group(0 [pid 6430] <... futex resumed>) = ? [pid 6428] <... futex resumed>) = ? [pid 6427] <... exit_group resumed>) = ? [pid 6423] <... exit_group resumed>) = ? [pid 6430] +++ exited with 0 +++ [pid 6428] +++ exited with 0 +++ [pid 6427] +++ exited with 0 +++ [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6438 attached [pid 6423] +++ exited with 0 +++ [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6438 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6427, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6438] set_robust_list(0x5555576166a0, 24) = 0 [pid 6438] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6439 attached [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6423, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5819] <... restart_syscall resumed>) = 0 [pid 6439] set_robust_list(0x5555576166a0, 24 [pid 6438] <... prctl resumed>) = 0 [pid 6433] <... unshare resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6439] <... set_robust_list resumed>) = 0 [pid 6438] setpgid(0, 0 [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... restart_syscall resumed>) = 0 [pid 6439] <... prctl resumed>) = 0 [pid 6438] <... setpgid resumed>) = 0 [pid 6439] setpgid(0, 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6442 attached [pid 6439] <... setpgid resumed>) = 0 [pid 6438] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6441 attached [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6438] write(3, "1000", 4 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6439 [pid 6442] set_robust_list(0x5555576166a0, 24 [pid 6441] set_robust_list(0x5555576166a0, 24 [pid 6438] <... write resumed>) = 4 [pid 6433] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6441 [pid 6442] <... set_robust_list resumed>) = 0 [pid 6441] <... set_robust_list resumed>) = 0 [pid 6439] <... openat resumed>) = 3 [pid 6438] close(3 [pid 6433] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6442 [pid 6442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6438] <... close resumed>) = 0 [pid 6433] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6432] exit_group(0 [pid 6442] <... prctl resumed>) = 0 [pid 6439] write(3, "1000", 4 [pid 6438] write(1, "executing program\n", 18 [pid 6433] <... futex resumed>) = ? [pid 6432] <... exit_group resumed>) = ? [pid 6442] setpgid(0, 0 [pid 6441] <... prctl resumed>) = 0 [pid 6439] <... write resumed>) = 4 [pid 6438] <... write resumed>) = 18 [pid 6433] +++ exited with 0 +++ [pid 6441] setpgid(0, 0) = 0 [pid 6441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6441] write(3, "1000", 4 [pid 6432] +++ exited with 0 +++ [pid 6441] <... write resumed>) = 4 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6432, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6441] close(3) = 0 executing program [pid 6441] write(1, "executing program\n", 18) = 18 [pid 6441] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6441] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6442] <... setpgid resumed>) = 0 [pid 6441] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6439] close(3 [pid 6438] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... mprotect resumed>) = 0 [pid 6442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6439] <... close resumed>) = 0 [pid 6438] <... futex resumed>) = 0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6442] <... openat resumed>) = 3 [pid 6439] write(1, "executing program\n", 18executing program executing program [pid 6438] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6442] write(3, "1000", 4 [pid 6439] <... write resumed>) = 18 [pid 6438] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6442] <... write resumed>) = 4 [pid 6439] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6442] close(3 [pid 6439] <... futex resumed>) = 0 [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6442] <... close resumed>) = 0 [pid 6441] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6439] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6442] write(1, "executing program\n", 18 [pid 6439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6438] <... mmap resumed>) = 0x7f4033e12000 [pid 6442] <... write resumed>) = 18 [pid 6441] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6438] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6442] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6443 attached [pid 6442] <... futex resumed>) = 0 [pid 6439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6438] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6439] <... mmap resumed>) = 0x7f4033e12000 [pid 6438] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6439] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6445 attached ./strace-static-x86_64: Process 6444 attached [pid 6443] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6442] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6441] <... clone3 resumed> => {parent_tid=[6443]}, 88) = 6443 [pid 6439] <... mprotect resumed>) = 0 [pid 6444] set_robust_list(0x5555576166a0, 24 [pid 6443] <... rseq resumed>) = 0 [pid 6442] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6445] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6441] rt_sigprocmask(SIG_SETMASK, [], [pid 6439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6438] <... clone3 resumed> => {parent_tid=[6445]}, 88) = 6445 [pid 6445] <... rseq resumed>) = 0 [pid 6444] <... set_robust_list resumed>) = 0 [pid 6443] set_robust_list(0x7f4033e329a0, 24 [pid 6442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 6445] set_robust_list(0x7f4033e329a0, 24 [pid 6444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6443] <... set_robust_list resumed>) = 0 [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6441] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6444 ./strace-static-x86_64: Process 6446 attached [pid 6445] <... set_robust_list resumed>) = 0 [pid 6444] <... prctl resumed>) = 0 [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6441] <... futex resumed>) = 0 [pid 6438] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6445] rt_sigprocmask(SIG_SETMASK, [], [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6442] <... mmap resumed>) = 0x7f4033e12000 [pid 6441] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... clone3 resumed> => {parent_tid=[6446]}, 88) = 6446 [pid 6438] <... futex resumed>) = 0 [pid 6446] <... rseq resumed>) = 0 [pid 6445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] setpgid(0, 0 [pid 6443] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6442] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6439] rt_sigprocmask(SIG_SETMASK, [], [pid 6438] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6439] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6439] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] <... mprotect resumed>) = 0 [pid 6445] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6442] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6446] set_robust_list(0x7f4033e329a0, 24 [pid 6444] <... setpgid resumed>) = 0 [pid 6442] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6446] <... set_robust_list resumed>) = 0 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6447 attached [pid 6446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6446] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6447] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6447] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6447] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] <... openat resumed>) = 3 [pid 6444] write(3, "1000", 4 [pid 6442] <... clone3 resumed> => {parent_tid=[6447]}, 88) = 6447 [pid 6444] <... write resumed>) = 4 [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] close(3 [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6442] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... close resumed>) = 0 [pid 6444] write(1, "executing program\n", 18 [pid 6442] <... futex resumed>) = 1 [pid 6447] <... futex resumed>) = 0 [pid 6444] <... write resumed>) = 18 [pid 6447] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6442] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 6444] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6444] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6444] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6448 attached [pid 6448] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6444] <... clone3 resumed> => {parent_tid=[6448]}, 88) = 6448 [pid 6448] <... rseq resumed>) = 0 [pid 6444] rt_sigprocmask(SIG_SETMASK, [], [pid 6448] set_robust_list(0x7f4033e329a0, 24 [pid 6444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6448] <... set_robust_list resumed>) = 0 [pid 6444] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] <... futex resumed>) = 0 [pid 6448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6441] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6438] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6448] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6442] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6446] <... unshare resumed>) = 0 [pid 6446] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6446] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] exit_group(0 [pid 6446] <... futex resumed>) = ? [pid 6439] <... exit_group resumed>) = ? [pid 6446] +++ exited with 0 +++ [pid 6439] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6439, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6451 attached , child_tidptr=0x555557616690) = 6451 [pid 6451] set_robust_list(0x5555576166a0, 24) = 0 [pid 6451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6447] <... unshare resumed>) = 0 [pid 6445] <... unshare resumed>) = 0 [pid 6447] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6447] <... futex resumed>) = 0 [pid 6447] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... prctl resumed>) = 0 [pid 6442] exit_group(0 [pid 6451] setpgid(0, 0 [pid 6442] <... exit_group resumed>) = ? [pid 6451] <... setpgid resumed>) = 0 [pid 6447] <... futex resumed>) = ? [pid 6445] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6438] exit_group(0 [pid 6451] write(3, "1000", 4 [pid 6445] <... futex resumed>) = ? [pid 6438] <... exit_group resumed>) = ? [pid 6451] <... write resumed>) = 4 [pid 6451] close(3) = 0 [pid 6451] write(1, "executing program\n", 18executing program [pid 6447] +++ exited with 0 +++ [pid 6445] +++ exited with 0 +++ [pid 6451] <... write resumed>) = 18 [pid 6443] <... unshare resumed>) = 0 [pid 6442] +++ exited with 0 +++ [pid 6438] +++ exited with 0 +++ [pid 6451] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6442, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6438, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6451] <... futex resumed>) = 0 [pid 6443] <... futex resumed>) = 0 [pid 6451] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6448] <... unshare resumed>) = 0 [pid 6443] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6448] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6448] <... futex resumed>) = 0 [pid 6451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6441] exit_group(0 [pid 6444] exit_group(0 [pid 6451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6441] <... exit_group resumed>) = ? [pid 6444] <... exit_group resumed>) = ? [pid 6451] <... mmap resumed>) = 0x7f4033e12000 [pid 6443] <... futex resumed>) = ? [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6451] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6456 attached ./strace-static-x86_64: Process 6455 attached [pid 6451] <... mprotect resumed>) = 0 [pid 6448] +++ exited with 0 +++ [pid 6444] +++ exited with 0 +++ [pid 6443] +++ exited with 0 +++ [pid 6441] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6444, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6441, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6455] set_robust_list(0x5555576166a0, 24 [pid 6451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6456] set_robust_list(0x5555576166a0, 24 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6456] <... set_robust_list resumed>) = 0 [pid 6451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6455 [pid 6455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6456 ./strace-static-x86_64: Process 6457 attached [pid 6456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6455] <... prctl resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6457] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6456] <... prctl resumed>) = 0 [pid 6455] setpgid(0, 0 [pid 6451] <... clone3 resumed> => {parent_tid=[6457]}, 88) = 6457 [pid 6457] <... rseq resumed>) = 0 [pid 6457] set_robust_list(0x7f4033e329a0, 24 [pid 6455] <... setpgid resumed>) = 0 [pid 6451] rt_sigprocmask(SIG_SETMASK, [], [pid 6457] <... set_robust_list resumed>) = 0 [pid 6456] setpgid(0, 0 [pid 6455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6458 [pid 6457] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6458 attached NULL, 8) = 0 [pid 6456] <... setpgid resumed>) = 0 [pid 6451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6457] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6459 attached [pid 6458] set_robust_list(0x5555576166a0, 24 [pid 6457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6455] <... openat resumed>) = 3 [pid 6451] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6451] <... futex resumed>) = 0 [pid 6458] <... set_robust_list resumed>) = 0 [pid 6455] write(3, "1000", 4 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6459 [pid 6459] set_robust_list(0x5555576166a0, 24 [pid 6458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6456] <... openat resumed>) = 3 [pid 6455] <... write resumed>) = 4 [pid 6451] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] <... prctl resumed>) = 0 [pid 6456] write(3, "1000", 4 [pid 6459] <... set_robust_list resumed>) = 0 [pid 6455] close(3 [pid 6459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6456] <... write resumed>) = 4 [pid 6455] <... close resumed>) = 0 [pid 6458] setpgid(0, 0 [pid 6459] <... prctl resumed>) = 0 [pid 6456] close(3 [pid 6458] <... setpgid resumed>) = 0 [pid 6455] write(1, "executing program\n", 18executing program [pid 6459] setpgid(0, 0 [pid 6456] <... close resumed>) = 0 [pid 6458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6459] <... setpgid resumed>) = 0 [pid 6458] <... openat resumed>) = 3 [pid 6456] write(1, "executing program\n", 18 [pid 6455] <... write resumed>) = 18 executing program [pid 6459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6458] write(3, "1000", 4 [pid 6456] <... write resumed>) = 18 [pid 6455] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] <... openat resumed>) = 3 [pid 6458] <... write resumed>) = 4 [pid 6456] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] <... futex resumed>) = 0 [pid 6459] write(3, "1000", 4 [pid 6458] close(3 [pid 6456] <... futex resumed>) = 0 [pid 6455] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, executing program [pid 6459] <... write resumed>) = 4 [pid 6458] <... close resumed>) = 0 [pid 6456] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6455] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6459] close(3 [pid 6458] write(1, "executing program\n", 18 [pid 6456] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6459] <... close resumed>) = 0 [pid 6458] <... write resumed>) = 18 [pid 6456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6459] write(1, "executing program\n", 18 [pid 6458] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6459] <... write resumed>) = 18 [pid 6458] <... futex resumed>) = 0 [pid 6456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6455] <... mmap resumed>) = 0x7f4033e12000 [pid 6458] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6456] <... mmap resumed>) = 0x7f4033e12000 [pid 6455] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6459] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6456] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6455] <... mprotect resumed>) = 0 [pid 6458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6456] <... mprotect resumed>) = 0 [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6459] <... futex resumed>) = 0 [pid 6458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6456] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6459] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6456] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6458] <... mmap resumed>) = 0x7f4033e12000 [pid 6456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6458] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6459] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6461 attached ./strace-static-x86_64: Process 6460 attached [pid 6459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6458] <... mprotect resumed>) = 0 [pid 6456] <... clone3 resumed> => {parent_tid=[6460]}, 88) = 6460 [pid 6461] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6460] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6459] <... mmap resumed>) = 0x7f4033e12000 [pid 6458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6456] rt_sigprocmask(SIG_SETMASK, [], [pid 6455] <... clone3 resumed> => {parent_tid=[6461]}, 88) = 6461 [pid 6461] <... rseq resumed>) = 0 [pid 6460] <... rseq resumed>) = 0 [pid 6459] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6455] rt_sigprocmask(SIG_SETMASK, [], [pid 6461] set_robust_list(0x7f4033e329a0, 24 [pid 6460] set_robust_list(0x7f4033e329a0, 24 [pid 6459] <... mprotect resumed>) = 0 [pid 6458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6456] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6462 attached [pid 6461] <... set_robust_list resumed>) = 0 [pid 6460] <... set_robust_list resumed>) = 0 [pid 6459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6456] <... futex resumed>) = 0 [pid 6455] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], [pid 6460] rt_sigprocmask(SIG_SETMASK, [], [pid 6459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6458] <... clone3 resumed> => {parent_tid=[6462]}, 88) = 6462 [pid 6456] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6455] <... futex resumed>) = 0 [pid 6462] <... rseq resumed>) = 0 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], [pid 6455] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] set_robust_list(0x7f4033e329a0, 24 [pid 6461] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6460] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], [pid 6459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6458] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6462] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6463 attached [pid 6462] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6458] <... futex resumed>) = 0 [pid 6463] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6458] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... rseq resumed>) = 0 [pid 6459] <... clone3 resumed> => {parent_tid=[6463]}, 88) = 6463 [pid 6459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6463] set_robust_list(0x7f4033e329a0, 24 [pid 6459] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... set_robust_list resumed>) = 0 [pid 6459] <... futex resumed>) = 0 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], [pid 6459] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6456] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6455] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6457] <... unshare resumed>) = 0 [pid 6457] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6451] exit_group(0 [pid 6457] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6451] <... exit_group resumed>) = ? [pid 6457] +++ exited with 0 +++ [pid 6451] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6451, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6460] <... unshare resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6460] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6460] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6466 ./strace-static-x86_64: Process 6466 attached [pid 6461] <... unshare resumed>) = 0 [pid 6456] exit_group(0 [pid 6466] set_robust_list(0x5555576166a0, 24 [pid 6461] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... futex resumed>) = ? [pid 6456] <... exit_group resumed>) = ? [pid 6466] <... set_robust_list resumed>) = 0 [pid 6461] <... futex resumed>) = 0 [pid 6460] +++ exited with 0 +++ [pid 6455] exit_group(0 [pid 6466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6455] <... exit_group resumed>) = ? [pid 6466] <... prctl resumed>) = 0 [pid 6456] +++ exited with 0 +++ [pid 6466] setpgid(0, 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6456, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6466] <... setpgid resumed>) = 0 [pid 6466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6466] <... openat resumed>) = 3 [pid 6466] write(3, "1000", 4) = 4 [pid 6466] close(3) = 0 executing program [pid 6466] write(1, "executing program\n", 18) = 18 [pid 6466] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6466] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6461] +++ exited with 0 +++ [pid 6455] +++ exited with 0 +++ [pid 6466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6455, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6466] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6466] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] <... restart_syscall resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6466] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6468 attached => {parent_tid=[6468]}, 88) = 6468 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6469 attached [pid 6468] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6466] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6470 attached NULL, 8) = 0 [pid 6469] set_robust_list(0x5555576166a0, 24) = 0 [pid 6466] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] set_robust_list(0x5555576166a0, 24 [pid 6469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6468] <... rseq resumed>) = 0 [pid 6466] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6469 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6470 [pid 6469] <... prctl resumed>) = 0 [pid 6466] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6469] setpgid(0, 0 [pid 6468] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6469] <... setpgid resumed>) = 0 [pid 6469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6468] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6470] <... set_robust_list resumed>) = 0 [pid 6470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6470] setpgid(0, 0) = 0 [pid 6470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6470] write(3, "1000", 4) = 4 [pid 6470] close(3) = 0 [pid 6470] write(1, "executing program\n", 18executing program ) = 18 [pid 6470] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6470] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6470] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6469] <... openat resumed>) = 3 [pid 6470] <... mprotect resumed>) = 0 [pid 6469] write(3, "1000", 4 [pid 6470] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6469] <... write resumed>) = 4 [pid 6470] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6469] close(3executing program ) = 0 [pid 6469] write(1, "executing program\n", 18) = 18 [pid 6470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6469] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6469] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6470] <... clone3 resumed> => {parent_tid=[6471]}, 88) = 6471 ./strace-static-x86_64: Process 6471 attached [pid 6469] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6471] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6471] <... rseq resumed>) = 0 [pid 6470] rt_sigprocmask(SIG_SETMASK, [], [pid 6469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6471] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6469] <... mmap resumed>) = 0x7f4033e12000 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], [pid 6469] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6470] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6470] <... futex resumed>) = 0 [pid 6469] <... mprotect resumed>) = 0 [pid 6470] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6472 attached => {parent_tid=[6472]}, 88) = 6472 [pid 6472] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6469] rt_sigprocmask(SIG_SETMASK, [], [pid 6472] <... rseq resumed>) = 0 [pid 6469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6472] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6469] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] rt_sigprocmask(SIG_SETMASK, [], [pid 6469] <... futex resumed>) = 0 [pid 6472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6469] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6469] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6463] <... unshare resumed>) = 0 [pid 6463] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6463] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] exit_group(0 [pid 6463] <... futex resumed>) = ? [pid 6459] <... exit_group resumed>) = ? [pid 6463] +++ exited with 0 +++ [pid 6459] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6459, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6474 attached [pid 6474] set_robust_list(0x5555576166a0, 24 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6474 [pid 6474] <... set_robust_list resumed>) = 0 [pid 6474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6474] setpgid(0, 0) = 0 [pid 6474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6474] write(3, "1000", 4) = 4 [pid 6474] close(3) = 0 executing program [pid 6474] write(1, "executing program\n", 18) = 18 [pid 6474] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6474] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6474] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6475 attached [pid 6475] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6474] <... clone3 resumed> => {parent_tid=[6475]}, 88) = 6475 [pid 6475] <... rseq resumed>) = 0 [pid 6474] rt_sigprocmask(SIG_SETMASK, [], [pid 6475] set_robust_list(0x7f4033e329a0, 24 [pid 6474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6474] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... set_robust_list resumed>) = 0 [pid 6474] <... futex resumed>) = 0 [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 6474] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6475] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6462] <... unshare resumed>) = 0 [pid 6458] exit_group(0) = ? [pid 6462] +++ exited with 0 +++ [pid 6458] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6458, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6477 attached [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6477 [pid 6477] set_robust_list(0x5555576166a0, 24) = 0 [pid 6477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6477] setpgid(0, 0) = 0 [pid 6477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6477] write(3, "1000", 4) = 4 [pid 6477] close(3) = 0 executing program [pid 6477] write(1, "executing program\n", 18) = 18 [pid 6477] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6477] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6477] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6478 attached => {parent_tid=[6478]}, 88) = 6478 [pid 6478] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6477] rt_sigprocmask(SIG_SETMASK, [], [pid 6478] <... rseq resumed>) = 0 [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6478] set_robust_list(0x7f4033e329a0, 24 [pid 6477] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... set_robust_list resumed>) = 0 [pid 6477] <... futex resumed>) = 0 [pid 6478] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6478] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6471] <... unshare resumed>) = 0 [pid 6468] <... unshare resumed>) = 0 [pid 6471] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] <... unshare resumed>) = 0 [pid 6471] <... futex resumed>) = 0 [pid 6470] exit_group(0 [pid 6468] <... futex resumed>) = 0 [pid 6472] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... exit_group resumed>) = ? [pid 6469] exit_group(0 [pid 6468] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] <... futex resumed>) = ? [pid 6471] +++ exited with 0 +++ [pid 6469] <... exit_group resumed>) = ? [pid 6466] exit_group(0 [pid 6472] +++ exited with 0 +++ [pid 6469] +++ exited with 0 +++ [pid 6468] <... futex resumed>) = ? [pid 6466] <... exit_group resumed>) = ? [pid 6470] +++ exited with 0 +++ [pid 6468] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6469, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6470, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6466] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6466, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6477] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5826] <... restart_syscall resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6475] <... unshare resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6483 attached ./strace-static-x86_64: Process 6484 attached [pid 6483] set_robust_list(0x5555576166a0, 24 [pid 6475] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6483] <... set_robust_list resumed>) = 0 [pid 6483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6474] exit_group(0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6483 [pid 6483] <... prctl resumed>) = 0 [pid 6474] <... exit_group resumed>) = ? [pid 6483] setpgid(0, 0 [pid 6484] set_robust_list(0x5555576166a0, 24 [pid 6483] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6485 attached [pid 6484] <... set_robust_list resumed>) = 0 [pid 6483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6475] <... futex resumed>) = ? [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6484 [pid 6484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6483] <... openat resumed>) = 3 [pid 6485] set_robust_list(0x5555576166a0, 24 [pid 6484] setpgid(0, 0 [pid 6485] <... set_robust_list resumed>) = 0 [pid 6483] write(3, "1000", 4 [pid 6475] +++ exited with 0 +++ [pid 6474] +++ exited with 0 +++ [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6485 executing program [pid 6485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6484] <... setpgid resumed>) = 0 [pid 6483] <... write resumed>) = 4 [pid 6485] <... prctl resumed>) = 0 [pid 6484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6483] close(3 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6474, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6483] <... close resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6486 attached [pid 6485] setpgid(0, 0 [pid 6483] write(1, "executing program\n", 18 [pid 6485] <... setpgid resumed>) = 0 [pid 6484] <... openat resumed>) = 3 [pid 6483] <... write resumed>) = 18 [pid 6486] set_robust_list(0x5555576166a0, 24 [pid 6485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6483] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] write(3, "1000", 4) = 4 [pid 6484] close(3 [pid 6483] <... futex resumed>) = 0 executing program executing program [pid 6484] <... close resumed>) = 0 [pid 6483] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6486] <... set_robust_list resumed>) = 0 [pid 6485] <... openat resumed>) = 3 [pid 6484] write(1, "executing program\n", 18 [pid 6483] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6486 [pid 6484] <... write resumed>) = 18 [pid 6483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6484] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6484] <... futex resumed>) = 0 [pid 6483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6484] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6483] <... mmap resumed>) = 0x7f4033e12000 [pid 6485] write(3, "1000", 4 [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6485] <... write resumed>) = 4 [pid 6484] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6486] <... prctl resumed>) = 0 [pid 6485] close(3 [pid 6483] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6486] setpgid(0, 0 [pid 6485] <... close resumed>) = 0 [pid 6484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6483] <... mprotect resumed>) = 0 [pid 6486] <... setpgid resumed>) = 0 [pid 6485] write(1, "executing program\n", 18 [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6485] <... write resumed>) = 18 [pid 6484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6483] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6486] <... openat resumed>) = 3 [pid 6485] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] <... mmap resumed>) = 0x7f4033e12000 [pid 6486] write(3, "1000", 4 [pid 6485] <... futex resumed>) = 0 [pid 6484] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6483] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6486] <... write resumed>) = 4 [pid 6485] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6484] <... mprotect resumed>) = 0 [pid 6483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6487 attached [pid 6486] close(3 [pid 6485] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6484] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6487] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6486] <... close resumed>) = 0 [pid 6485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6484] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 6483] <... clone3 resumed> => {parent_tid=[6487]}, 88) = 6487 [pid 6487] <... rseq resumed>) = 0 [pid 6486] write(1, "executing program\n", 18 [pid 6485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6483] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] set_robust_list(0x7f4033e329a0, 24 [pid 6486] <... write resumed>) = 18 [pid 6485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6487] <... set_robust_list resumed>) = 0 [pid 6486] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6485] <... mmap resumed>) = 0x7f4033e12000 [pid 6484] <... clone3 resumed> => {parent_tid=[6488]}, 88) = 6488 [pid 6487] rt_sigprocmask(SIG_SETMASK, [], [pid 6485] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6488 attached [pid 6487] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6485] <... mprotect resumed>) = 0 [pid 6484] rt_sigprocmask(SIG_SETMASK, [], [pid 6483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6488] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6486] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6483] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... rseq resumed>) = 0 [pid 6487] <... futex resumed>) = 0 [pid 6486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6484] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... futex resumed>) = 1 [pid 6488] set_robust_list(0x7f4033e329a0, 24 [pid 6487] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6484] <... futex resumed>) = 0 [pid 6486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6484] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] <... set_robust_list resumed>) = 0 [pid 6486] <... mmap resumed>) = 0x7f4033e12000 [pid 6485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6483] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] rt_sigprocmask(SIG_SETMASK, [], [pid 6486] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6489 attached [pid 6488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] <... mprotect resumed>) = 0 [pid 6488] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6489] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6485] <... clone3 resumed> => {parent_tid=[6489]}, 88) = 6489 [pid 6489] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6485] rt_sigprocmask(SIG_SETMASK, [], [pid 6489] rt_sigprocmask(SIG_SETMASK, [], [pid 6486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6485] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6485] <... futex resumed>) = 0 [pid 6485] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6490 attached [pid 6486] <... clone3 resumed> => {parent_tid=[6490]}, 88) = 6490 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6486] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6486] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6490] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6490] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6484] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6483] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6478] <... unshare resumed>) = 0 [pid 6478] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6478] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6477] exit_group(0 [pid 6478] <... futex resumed>) = ? [pid 6477] <... exit_group resumed>) = ? [pid 6478] +++ exited with 0 +++ [pid 6477] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6477, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6492 attached [pid 6492] set_robust_list(0x5555576166a0, 24 [pid 6490] <... unshare resumed>) = 0 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6492 [pid 6492] <... set_robust_list resumed>) = 0 [pid 6490] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6486] exit_group(0 [pid 6492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6490] <... futex resumed>) = ? [pid 6486] <... exit_group resumed>) = ? [pid 6490] +++ exited with 0 +++ [pid 6492] <... prctl resumed>) = 0 [pid 6486] +++ exited with 0 +++ [pid 6492] setpgid(0, 0) = 0 [pid 6492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6486, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6492] <... openat resumed>) = 3 [pid 6492] write(3, "1000", 4 [pid 6489] <... unshare resumed>) = 0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6492] <... write resumed>) = 4 [pid 6489] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] <... unshare resumed>) = 0 [pid 6485] exit_group(0 [pid 6488] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] close(3 [pid 6489] <... futex resumed>) = ? [pid 6487] <... unshare resumed>) = 0 [pid 6485] <... exit_group resumed>) = ? [pid 6492] <... close resumed>) = 0 [pid 6489] +++ exited with 0 +++ [pid 6488] <... futex resumed>) = 0 [pid 6487] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6485] +++ exited with 0 +++ [pid 6484] exit_group(0executing program [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6492] write(1, "executing program\n", 18 [pid 6487] <... futex resumed>) = 0 [pid 6484] <... exit_group resumed>) = ? [pid 6492] <... write resumed>) = 18 [pid 6487] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6485, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6497 attached [pid 6492] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6492] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6488] +++ exited with 0 +++ [pid 6484] +++ exited with 0 +++ [pid 6483] exit_group(0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6497 [pid 6497] set_robust_list(0x5555576166a0, 24 [pid 6492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6487] <... futex resumed>) = ? [pid 6483] <... exit_group resumed>) = ? [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6487] +++ exited with 0 +++ [pid 6483] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6484, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6492] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6497] <... set_robust_list resumed>) = 0 [pid 6492] <... mprotect resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6483, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5820] <... restart_syscall resumed>) = 0 [pid 6497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6497] <... prctl resumed>) = 0 [pid 6497] setpgid(0, 0) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6498 attached [pid 6497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6498] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6497] <... openat resumed>) = 3 [pid 6492] <... clone3 resumed> => {parent_tid=[6498]}, 88) = 6498 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6497] write(3, "1000", 4./strace-static-x86_64: Process 6499 attached [pid 6498] <... rseq resumed>) = 0 [pid 6497] <... write resumed>) = 4 [pid 6498] set_robust_list(0x7f4033e329a0, 24 [pid 6497] close(3 [pid 6499] set_robust_list(0x5555576166a0, 24 [pid 6498] <... set_robust_list resumed>) = 0 [pid 6497] <... close resumed>) = 0 ./strace-static-x86_64: Process 6500 attached [pid 6499] <... set_robust_list resumed>) = 0 [pid 6498] rt_sigprocmask(SIG_SETMASK, [], [pid 6497] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 6501 attached [pid 6500] set_robust_list(0x5555576166a0, 24 [pid 6499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6497] <... write resumed>) = 18 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6499 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6500 [pid 6501] set_robust_list(0x5555576166a0, 24 [pid 6498] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6497] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6500] <... set_robust_list resumed>) = 0 [pid 6499] <... prctl resumed>) = 0 [pid 6492] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6501] <... set_robust_list resumed>) = 0 [pid 6492] <... futex resumed>) = 1 [pid 6501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6499] setpgid(0, 0 [pid 6498] <... futex resumed>) = 0 [pid 6492] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6501 [pid 6501] <... prctl resumed>) = 0 [pid 6499] <... setpgid resumed>) = 0 [pid 6498] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6501] setpgid(0, 0 [pid 6499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6501] <... setpgid resumed>) = 0 [pid 6500] <... prctl resumed>) = 0 [pid 6497] <... futex resumed>) = 0 [pid 6501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6500] setpgid(0, 0 [pid 6499] <... openat resumed>) = 3 [pid 6497] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6500] <... setpgid resumed>) = 0 [pid 6499] write(3, "1000", 4 [pid 6497] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6501] <... openat resumed>) = 3 [pid 6500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6499] <... write resumed>) = 4 [pid 6497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6501] write(3, "1000", 4 [pid 6500] <... openat resumed>) = 3 [pid 6499] close(3 [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6501] <... write resumed>) = 4 [pid 6501] close(3 [pid 6500] write(3, "1000", 4 [pid 6499] <... close resumed>) = 0 [pid 6497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6501] <... close resumed>) = 0 [pid 6500] <... write resumed>) = 4 [pid 6497] <... mmap resumed>) = 0x7f4033e12000 [pid 6501] write(1, "executing program\n", 18 [pid 6500] close(3 [pid 6499] write(1, "executing program\n", 18 [pid 6497] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6500] <... close resumed>) = 0 [pid 6499] <... write resumed>) = 18 [pid 6497] <... mprotect resumed>) = 0 [pid 6500] write(1, "executing program\n", 18executing program [pid 6499] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6500] <... write resumed>) = 18 [pid 6499] <... futex resumed>) = 0 [pid 6497] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 6501] <... write resumed>) = 18 [pid 6500] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6501] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6500] <... futex resumed>) = 0 [pid 6499] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6502 attached [pid 6501] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6500] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6497] <... clone3 resumed> => {parent_tid=[6502]}, 88) = 6502 [pid 6502] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6501] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6500] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6497] rt_sigprocmask(SIG_SETMASK, [], [pid 6502] <... rseq resumed>) = 0 [pid 6501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6502] set_robust_list(0x7f4033e329a0, 24 [pid 6501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6499] <... mmap resumed>) = 0x7f4033e12000 [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6502] <... set_robust_list resumed>) = 0 [pid 6501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6499] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6497] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] rt_sigprocmask(SIG_SETMASK, [], [pid 6501] <... mmap resumed>) = 0x7f4033e12000 [pid 6500] <... mmap resumed>) = 0x7f4033e12000 [pid 6499] <... mprotect resumed>) = 0 [pid 6497] <... futex resumed>) = 0 [pid 6502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6501] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6500] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6502] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6501] <... mprotect resumed>) = 0 [pid 6500] <... mprotect resumed>) = 0 [pid 6497] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6504 attached ./strace-static-x86_64: Process 6503 attached [pid 6501] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6499] <... clone3 resumed> => {parent_tid=[6503]}, 88) = 6503 [pid 6504] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6503] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6501] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6500] <... clone3 resumed> => {parent_tid=[6504]}, 88) = 6504 [pid 6499] rt_sigprocmask(SIG_SETMASK, [], [pid 6501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6500] rt_sigprocmask(SIG_SETMASK, [], [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6505 attached [pid 6500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6499] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... rseq resumed>) = 0 [pid 6503] <... rseq resumed>) = 0 [pid 6500] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6501] <... clone3 resumed> => {parent_tid=[6505]}, 88) = 6505 [pid 6499] <... futex resumed>) = 0 [pid 6501] rt_sigprocmask(SIG_SETMASK, [], [pid 6500] <... futex resumed>) = 0 [pid 6499] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6500] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] set_robust_list(0x7f4033e329a0, 24 [pid 6501] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... set_robust_list resumed>) = 0 [pid 6503] set_robust_list(0x7f4033e329a0, 24 [pid 6501] <... futex resumed>) = 0 [pid 6504] rt_sigprocmask(SIG_SETMASK, [], [pid 6503] <... set_robust_list resumed>) = 0 [pid 6504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6501] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6504] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6503] rt_sigprocmask(SIG_SETMASK, [], [pid 6505] <... rseq resumed>) = 0 [pid 6503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] set_robust_list(0x7f4033e329a0, 24 [pid 6503] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6505] <... set_robust_list resumed>) = 0 [pid 6505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6505] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6497] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6501] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6498] <... unshare resumed>) = 0 [pid 6498] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] exit_group(0 [pid 6498] <... futex resumed>) = ? [pid 6492] <... exit_group resumed>) = ? [pid 6498] +++ exited with 0 +++ [pid 6504] <... unshare resumed>) = 0 [pid 6492] +++ exited with 0 +++ [pid 6504] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6492, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6504] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6500] exit_group(0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6504] <... futex resumed>) = ? [pid 6500] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6508 attached [pid 6504] +++ exited with 0 +++ [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6508 [pid 6500] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6500, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6510 attached [pid 6508] set_robust_list(0x5555576166a0, 24) = 0 [pid 6502] <... unshare resumed>) = 0 [pid 6510] set_robust_list(0x5555576166a0, 24) = 0 [pid 6508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6510 [pid 6510] <... prctl resumed>) = 0 [pid 6508] <... prctl resumed>) = 0 [pid 6502] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] exit_group(0 [pid 6510] setpgid(0, 0 [pid 6497] <... exit_group resumed>) = ? [pid 6510] <... setpgid resumed>) = 0 [pid 6502] <... futex resumed>) = ? [pid 6508] setpgid(0, 0 [pid 6510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6508] <... setpgid resumed>) = 0 [pid 6510] <... openat resumed>) = 3 [pid 6510] write(3, "1000", 4 [pid 6508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6502] +++ exited with 0 +++ [pid 6497] +++ exited with 0 +++ [pid 6510] <... write resumed>) = 4 [pid 6510] close(3 [pid 6508] <... openat resumed>) = 3 executing program [pid 6510] <... close resumed>) = 0 [pid 6508] write(3, "1000", 4 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6497, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6510] write(1, "executing program\n", 18) = 18 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6510] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6510] <... futex resumed>) = 0 [pid 6510] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6508] <... write resumed>) = 4 [pid 6510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6508] close(3 [pid 6510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program ) = 0x7f4033e12000 [pid 6508] <... close resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6513 attached [pid 6510] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6508] write(1, "executing program\n", 18 [pid 6513] set_robust_list(0x5555576166a0, 24) = 0 [pid 6510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6508] <... write resumed>) = 18 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6513 [pid 6513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6508] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] <... prctl resumed>) = 0 [pid 6510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6508] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6514 attached [pid 6513] setpgid(0, 0 [pid 6508] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6514] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6513] <... setpgid resumed>) = 0 [pid 6510] <... clone3 resumed> => {parent_tid=[6514]}, 88) = 6514 [pid 6514] <... rseq resumed>) = 0 [pid 6508] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6510] rt_sigprocmask(SIG_SETMASK, [], [pid 6514] set_robust_list(0x7f4033e329a0, 24 [pid 6510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6514] <... set_robust_list resumed>) = 0 [pid 6513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6510] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6514] rt_sigprocmask(SIG_SETMASK, [], [pid 6513] <... openat resumed>) = 3 [pid 6510] <... futex resumed>) = 0 [pid 6508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6503] <... unshare resumed>) = 0 [pid 6514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] write(3, "1000", 4 [pid 6510] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6508] <... mmap resumed>) = 0x7f4033e12000 [pid 6503] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6513] <... write resumed>) = 4 [pid 6508] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6505] <... unshare resumed>) = 0 [pid 6503] <... futex resumed>) = 0 [pid 6513] close(3 [pid 6508] <... mprotect resumed>) = 0 [pid 6499] exit_group(0 [pid 6508] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6505] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6499] <... exit_group resumed>) = ? [pid 6513] <... close resumed>) = 0 [pid 6508] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6505] <... futex resumed>) = 0 [pid 6503] +++ exited with 0 +++ [pid 6499] +++ exited with 0 +++ [pid 6513] write(1, "executing program\n", 18 [pid 6508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6505] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] exit_group(0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6499, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6515 attached [pid 6513] <... write resumed>) = 18 [pid 6505] <... futex resumed>) = ? [pid 6501] <... exit_group resumed>) = ? [pid 6515] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6513] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... clone3 resumed> => {parent_tid=[6515]}, 88) = 6515 [pid 6505] +++ exited with 0 +++ [pid 6501] +++ exited with 0 +++ [pid 6508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6508] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] <... futex resumed>) = 0 [pid 6508] <... futex resumed>) = 0 [pid 6508] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6515] <... rseq resumed>) = 0 [pid 6513] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6501, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6515] set_robust_list(0x7f4033e329a0, 24 [pid 6513] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6515] <... set_robust_list resumed>) = 0 [pid 6515] rt_sigprocmask(SIG_SETMASK, [], [pid 6513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6516 attached [pid 6515] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6516] set_robust_list(0x5555576166a0, 24) = 0 [pid 6516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6516] setpgid(0, 0 [pid 6513] <... mmap resumed>) = 0x7f4033e12000 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6516 [pid 6516] <... setpgid resumed>) = 0 [pid 6513] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6513] <... mprotect resumed>) = 0 [pid 6516] <... openat resumed>) = 3 [pid 6516] write(3, "1000", 4./strace-static-x86_64: Process 6518 attached [pid 6514] <... unshare resumed>) = 0 [pid 6513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6514] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6518 [pid 6514] <... futex resumed>) = 0 [pid 6513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6514] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program ./strace-static-x86_64: Process 6519 attached [pid 6518] set_robust_list(0x5555576166a0, 24 [pid 6516] <... write resumed>) = 4 [pid 6510] exit_group(0 [pid 6518] <... set_robust_list resumed>) = 0 [pid 6516] close(3 [pid 6514] <... futex resumed>) = ? [pid 6510] <... exit_group resumed>) = ? [pid 6518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6516] <... close resumed>) = 0 [pid 6518] <... prctl resumed>) = 0 [pid 6516] write(1, "executing program\n", 18 [pid 6518] setpgid(0, 0 [pid 6516] <... write resumed>) = 18 [pid 6518] <... setpgid resumed>) = 0 [pid 6516] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6516] <... futex resumed>) = 0 [pid 6514] +++ exited with 0 +++ [pid 6513] <... clone3 resumed> => {parent_tid=[6519]}, 88) = 6519 [pid 6510] +++ exited with 0 +++ [pid 6519] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6516] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6513] rt_sigprocmask(SIG_SETMASK, [], [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6510, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6519] <... rseq resumed>) = 0 [pid 6518] <... openat resumed>) = 3 [pid 6516] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6519] set_robust_list(0x7f4033e329a0, 24 [pid 6518] write(3, "1000", 4 [pid 6516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... set_robust_list resumed>) = 0 [pid 6518] <... write resumed>) = 4 [pid 6516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6513] <... futex resumed>) = 0 [pid 6519] rt_sigprocmask(SIG_SETMASK, [], [pid 6518] close(3executing program [pid 6516] <... mmap resumed>) = 0x7f4033e12000 [pid 6519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6513] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6518] <... close resumed>) = 0 [pid 6516] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6518] write(1, "executing program\n", 18 [pid 6516] <... mprotect resumed>) = 0 [pid 6518] <... write resumed>) = 18 [pid 6516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6518] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5821] <... restart_syscall resumed>) = 0 [pid 6518] <... futex resumed>) = 0 [pid 6516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6518] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6520 attached [pid 6518] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6520] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6516] <... clone3 resumed> => {parent_tid=[6520]}, 88) = 6520 [pid 6520] <... rseq resumed>) = 0 [pid 6518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6516] rt_sigprocmask(SIG_SETMASK, [], [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6521 ./strace-static-x86_64: Process 6521 attached [pid 6520] set_robust_list(0x7f4033e329a0, 24 [pid 6518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6521] set_robust_list(0x5555576166a0, 24 [pid 6520] <... set_robust_list resumed>) = 0 [pid 6518] <... mmap resumed>) = 0x7f4033e12000 [pid 6516] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... set_robust_list resumed>) = 0 [pid 6516] <... futex resumed>) = 0 [pid 6520] rt_sigprocmask(SIG_SETMASK, [], [pid 6518] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6516] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6518] <... mprotect resumed>) = 0 [pid 6520] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6521] <... prctl resumed>) = 0 [pid 6521] setpgid(0, 0 [pid 6518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6521] <... setpgid resumed>) = 0 [pid 6518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6518] <... clone3 resumed> => {parent_tid=[6522]}, 88) = 6522 ./strace-static-x86_64: Process 6522 attached [pid 6521] <... openat resumed>) = 3 [pid 6518] rt_sigprocmask(SIG_SETMASK, [], [pid 6522] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6518] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... rseq resumed>) = 0 [pid 6521] write(3, "1000", 4 [pid 6518] <... futex resumed>) = 0 [pid 6522] set_robust_list(0x7f4033e329a0, 24 [pid 6521] <... write resumed>) = 4 [pid 6522] <... set_robust_list resumed>) = 0 executing program [pid 6521] close(3 [pid 6522] rt_sigprocmask(SIG_SETMASK, [], [pid 6521] <... close resumed>) = 0 [pid 6522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6521] write(1, "executing program\n", 18 [pid 6522] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6521] <... write resumed>) = 18 [pid 6518] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6521] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6521] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6523 attached [pid 6513] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6523] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6521] <... clone3 resumed> => {parent_tid=[6523]}, 88) = 6523 [pid 6523] <... rseq resumed>) = 0 [pid 6521] rt_sigprocmask(SIG_SETMASK, [], [pid 6523] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6523] rt_sigprocmask(SIG_SETMASK, [], [pid 6521] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6521] <... futex resumed>) = 0 [pid 6521] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6516] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6518] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6515] <... unshare resumed>) = 0 [pid 6515] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] exit_group(0) = ? [pid 6515] <... futex resumed>) = ? [pid 6515] +++ exited with 0 +++ [pid 6508] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6508, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6525 attached , child_tidptr=0x555557616690) = 6525 [pid 6525] set_robust_list(0x5555576166a0, 24) = 0 [pid 6525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6525] setpgid(0, 0) = 0 [pid 6525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6525] write(3, "1000", 4) = 4 [pid 6525] close(3) = 0 executing program [pid 6525] write(1, "executing program\n", 18) = 18 [pid 6525] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6525] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6525] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6525] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6526]}, 88) = 6526 [pid 6525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6525] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6526 attached ) = 0 [pid 6525] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6526] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6526] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6522] <... unshare resumed>) = 0 [pid 6522] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6518] exit_group(0) = ? [pid 6525] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6522] +++ exited with 0 +++ [pid 6518] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6518, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6529 ./strace-static-x86_64: Process 6529 attached [pid 6529] set_robust_list(0x5555576166a0, 24) = 0 [pid 6529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6523] <... unshare resumed>) = 0 [pid 6529] setpgid(0, 0) = 0 [pid 6529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6523] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] exit_group(0 [pid 6520] <... unshare resumed>) = 0 [pid 6521] <... exit_group resumed>) = ? [pid 6529] <... openat resumed>) = 3 [pid 6520] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = ? [pid 6520] <... futex resumed>) = 0 [pid 6529] write(3, "1000", 4 [pid 6523] +++ exited with 0 +++ [pid 6521] +++ exited with 0 +++ [pid 6520] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6516] exit_group(0 [pid 6529] <... write resumed>) = 4 executing program [pid 6516] <... exit_group resumed>) = ? [pid 6529] close(3 [pid 6520] <... futex resumed>) = ? [pid 6519] <... unshare resumed>) = 0 [pid 6529] <... close resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6521, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6529] write(1, "executing program\n", 18 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6529] <... write resumed>) = 18 [pid 6529] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6520] +++ exited with 0 +++ [pid 6516] +++ exited with 0 +++ [pid 6529] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6516, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6519] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5821] <... restart_syscall resumed>) = 0 [pid 6519] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6513] exit_group(0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6519] <... futex resumed>) = ? [pid 6513] <... exit_group resumed>) = ? [pid 6519] +++ exited with 0 +++ [pid 6529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6513] +++ exited with 0 +++ [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6532 attached [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6533 attached [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6513, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6533] set_robust_list(0x5555576166a0, 24 [pid 6532] set_robust_list(0x5555576166a0, 24 [pid 6529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6532 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6533 [pid 6533] <... set_robust_list resumed>) = 0 [pid 6532] <... set_robust_list resumed>) = 0 [pid 6529] <... mmap resumed>) = 0x7f4033e12000 [pid 6533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6529] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6533] <... prctl resumed>) = 0 [pid 6532] <... prctl resumed>) = 0 [pid 6533] setpgid(0, 0 [pid 6532] setpgid(0, 0 [pid 6529] <... mprotect resumed>) = 0 [pid 6533] <... setpgid resumed>) = 0 [pid 6532] <... setpgid resumed>) = 0 [pid 6529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6535 attached [pid 6533] <... openat resumed>) = 3 [pid 6532] write(3, "1000", 4 [pid 6526] <... unshare resumed>) = 0 [pid 6532] <... write resumed>) = 4 [pid 6532] close(3) = 0 [pid 6526] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] write(1, "executing program\n", 18 [pid 6526] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6536 attached [pid 6532] <... write resumed>) = 18 [pid 6526] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6533] write(3, "1000", 4 [pid 6525] exit_group(0 [pid 6533] <... write resumed>) = 4 [pid 6529] <... clone3 resumed> => {parent_tid=[6535]}, 88) = 6535 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6533] close(3 [pid 6525] <... exit_group resumed>) = ? [pid 6532] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = ? [pid 6536] set_robust_list(0x5555576166a0, 24 [pid 6533] <... close resumed>) = 0 [pid 6532] <... futex resumed>) = 0 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6532] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6526] +++ exited with 0 +++ [pid 6525] +++ exited with 0 +++ [pid 6535] <... rseq resumed>) = 0 [pid 6532] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6535] set_robust_list(0x7f4033e329a0, 24 [pid 6532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6535] <... set_robust_list resumed>) = 0 [pid 6532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] rt_sigprocmask(SIG_SETMASK, [], [pid 6532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6532] <... mmap resumed>) = 0x7f4033e12000 [pid 6535] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6532] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6536] <... set_robust_list resumed>) = 0 [pid 6533] write(1, "executing program\n", 18 [pid 6529] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6536 [pid 6536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6535] <... futex resumed>) = 0 [pid 6532] <... mprotect resumed>) = 0 [pid 6529] <... futex resumed>) = 1 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6525, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6536] <... prctl resumed>) = 0 [pid 6535] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6533] <... write resumed>) = 18 [pid 6529] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6533] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6537 attached [pid 6532] <... clone3 resumed> => {parent_tid=[6537]}, 88) = 6537 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6532] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6537] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6537] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6533] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6537] rt_sigprocmask(SIG_SETMASK, [], [pid 6533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] setpgid(0, 0 [pid 6533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] <... restart_syscall resumed>) = 0 [pid 6537] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6533] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6533] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6538 attached [pid 6538] set_robust_list(0x5555576166a0, 24 [pid 6536] <... setpgid resumed>) = 0 [pid 6533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6538 [pid 6533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6539 attached [pid 6538] <... set_robust_list resumed>) = 0 [pid 6538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6536] <... openat resumed>) = 3 executing program [pid 6533] <... clone3 resumed> => {parent_tid=[6539]}, 88) = 6539 [pid 6538] <... prctl resumed>) = 0 [pid 6538] setpgid(0, 0) = 0 [pid 6538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6538] write(3, "1000", 4) = 4 [pid 6538] close(3) = 0 [pid 6538] write(1, "executing program\n", 18) = 18 [pid 6538] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6538] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6539] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6538] <... mmap resumed>) = 0x7f4033e12000 [pid 6536] write(3, "1000", 4 [pid 6533] rt_sigprocmask(SIG_SETMASK, [], [pid 6539] <... rseq resumed>) = 0 [pid 6536] <... write resumed>) = 4 [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] set_robust_list(0x7f4033e329a0, 24 [pid 6536] close(3executing program [pid 6533] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6536] <... close resumed>) = 0 [pid 6539] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] write(1, "executing program\n", 18 [pid 6533] <... futex resumed>) = 0 [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] <... write resumed>) = 18 [pid 6538] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6539] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6536] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... futex resumed>) = 0 [pid 6538] <... mprotect resumed>) = 0 [pid 6538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6540 attached => {parent_tid=[6540]}, 88) = 6540 [pid 6536] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6532] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6536] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6536] <... mmap resumed>) = 0x7f4033e12000 [pid 6538] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6538] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6540] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6540] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6540] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6536] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6541 attached [pid 6541] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6536] <... clone3 resumed> => {parent_tid=[6541]}, 88) = 6541 [pid 6536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6541] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6541] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6536] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6541] <... futex resumed>) = 0 [pid 6541] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6536] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6538] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6536] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6537] <... unshare resumed>) = 0 [pid 6535] <... unshare resumed>) = 0 [pid 6537] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] exit_group(0 [pid 6537] <... futex resumed>) = ? [pid 6532] <... exit_group resumed>) = ? [pid 6537] +++ exited with 0 +++ [pid 6535] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6529] exit_group(0) = ? [pid 6532] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6532, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6535] +++ exited with 0 +++ [pid 6529] +++ exited with 0 +++ [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6529, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6540] <... unshare resumed>) = 0 [pid 6540] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6540] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] exit_group(0) = ? [pid 6540] <... futex resumed>) = ? [pid 6541] <... unshare resumed>) = 0 [pid 6539] <... unshare resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6541] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 0 [pid 6541] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6547 attached [pid 6533] exit_group(0 [pid 6547] set_robust_list(0x5555576166a0, 24 [pid 6536] exit_group(0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6547 [pid 6547] <... set_robust_list resumed>) = 0 [pid 6541] <... futex resumed>) = ? [pid 6539] <... futex resumed>) = ? [pid 6536] <... exit_group resumed>) = ? [pid 6533] <... exit_group resumed>) = ? [pid 6547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6541] +++ exited with 0 +++ [pid 6540] +++ exited with 0 +++ [pid 6539] +++ exited with 0 +++ [pid 6538] +++ exited with 0 +++ [pid 6536] +++ exited with 0 +++ [pid 6547] <... prctl resumed>) = 0 [pid 6547] setpgid(0, 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6536, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6538, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6547] <... setpgid resumed>) = 0 [pid 6547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6548 attached [pid 6548] set_robust_list(0x5555576166a0, 24 [pid 6547] write(3, "1000", 4 [pid 6548] <... set_robust_list resumed>) = 0 [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] <... write resumed>) = 4 [pid 6533] +++ exited with 0 +++ [pid 6547] close(3 [pid 6548] <... prctl resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6533, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6548 [pid 6547] <... close resumed>) = 0 executing program [pid 6548] setpgid(0, 0 [pid 6547] write(1, "executing program\n", 18 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6548] <... setpgid resumed>) = 0 [pid 6547] <... write resumed>) = 18 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6547] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6547] <... futex resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6549 attached [pid 6548] <... openat resumed>) = 3 [pid 6547] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6549] set_robust_list(0x5555576166a0, 24 [pid 6548] write(3, "1000", 4 [pid 6547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6550 ./strace-static-x86_64: Process 6551 attached ./strace-static-x86_64: Process 6550 attached [pid 6549] <... set_robust_list resumed>) = 0 [pid 6548] <... write resumed>) = 4 [pid 6547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6549 [pid 6547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6550] set_robust_list(0x5555576166a0, 24 [pid 6548] close(3 [pid 6547] <... mmap resumed>) = 0x7f4033e12000 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6551 [pid 6551] set_robust_list(0x5555576166a0, 24 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6551] <... set_robust_list resumed>) = 0 [pid 6549] <... prctl resumed>) = 0 [pid 6547] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] <... mprotect resumed>) = 0 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6549] setpgid(0, 0 [pid 6547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6551] <... prctl resumed>) = 0 [pid 6550] <... prctl resumed>) = 0 [pid 6549] <... setpgid resumed>) = 0 [pid 6547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6551] setpgid(0, 0 [pid 6547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6552 attached [pid 6550] setpgid(0, 0 [pid 6549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6552] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6551] <... setpgid resumed>) = 0 [pid 6550] <... setpgid resumed>) = 0 [pid 6548] <... close resumed>) = 0 [pid 6547] <... clone3 resumed> => {parent_tid=[6552]}, 88) = 6552 [pid 6552] <... rseq resumed>) = 0 [pid 6552] set_robust_list(0x7f4033e329a0, 24 [pid 6547] rt_sigprocmask(SIG_SETMASK, [], [pid 6552] <... set_robust_list resumed>) = 0 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6548] write(1, "executing program\n", 18 [pid 6547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6552] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6549] <... openat resumed>) = 3 [pid 6547] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] <... openat resumed>) = 3 [pid 6548] <... write resumed>) = 18 [pid 6551] <... openat resumed>) = 3 executing program [pid 6552] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6551] write(3, "1000", 4 [pid 6550] write(3, "1000", 4 [pid 6549] write(3, "1000", 4 [pid 6548] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... futex resumed>) = 0 [pid 6550] <... write resumed>) = 4 [pid 6549] <... write resumed>) = 4 [pid 6548] <... futex resumed>) = 0 [pid 6551] <... write resumed>) = 4 [pid 6550] close(3 [pid 6549] close(3 [pid 6547] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6548] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6550] <... close resumed>) = 0 [pid 6549] <... close resumed>) = 0 [pid 6548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6551] close(3 [pid 6548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6549] write(1, "executing program\n", 18 [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] <... close resumed>) = 0 [pid 6549] <... write resumed>) = 18 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 executing program [pid 6551] write(1, "executing program\n", 18 [pid 6549] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... mmap resumed>) = 0x7f4033e12000 [pid 6551] <... write resumed>) = 18 [pid 6550] write(1, "executing program\n", 18 [pid 6549] <... futex resumed>) = 0 [pid 6548] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 6549] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6550] <... write resumed>) = 18 [pid 6551] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6550] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6551] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6550] <... futex resumed>) = 0 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6553 attached [pid 6551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6550] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6548] <... clone3 resumed> => {parent_tid=[6553]}, 88) = 6553 [pid 6553] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6549] <... mmap resumed>) = 0x7f4033e12000 [pid 6553] <... rseq resumed>) = 0 [pid 6551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6549] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6548] rt_sigprocmask(SIG_SETMASK, [], [pid 6553] set_robust_list(0x7f4033e329a0, 24 [pid 6551] <... mmap resumed>) = 0x7f4033e12000 [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6553] <... set_robust_list resumed>) = 0 [pid 6551] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6549] <... mprotect resumed>) = 0 [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6553] rt_sigprocmask(SIG_SETMASK, [], [pid 6551] <... mprotect resumed>) = 0 [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6548] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6553] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6550] <... mmap resumed>) = 0x7f4033e12000 [pid 6551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6548] <... futex resumed>) = 0 [pid 6551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6548] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6554 attached [pid 6550] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6551] <... clone3 resumed> => {parent_tid=[6554]}, 88) = 6554 [pid 6550] <... mprotect resumed>) = 0 [pid 6551] rt_sigprocmask(SIG_SETMASK, [], [pid 6554] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6554] <... rseq resumed>) = 0 [pid 6551] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6555 attached ./strace-static-x86_64: Process 6556 attached [pid 6554] set_robust_list(0x7f4033e329a0, 24 [pid 6551] <... futex resumed>) = 0 [pid 6549] <... clone3 resumed> => {parent_tid=[6555]}, 88) = 6555 [pid 6556] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6554] <... set_robust_list resumed>) = 0 [pid 6551] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] <... clone3 resumed> => {parent_tid=[6556]}, 88) = 6556 [pid 6549] rt_sigprocmask(SIG_SETMASK, [], [pid 6556] <... rseq resumed>) = 0 [pid 6554] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6556] set_robust_list(0x7f4033e329a0, 24 [pid 6554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... set_robust_list resumed>) = 0 [pid 6554] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6549] <... futex resumed>) = 0 [pid 6556] rt_sigprocmask(SIG_SETMASK, [], [pid 6555] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6555] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6555] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6556] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6550] <... futex resumed>) = 0 [pid 6550] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6548] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6551] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6553] <... unshare resumed>) = 0 [pid 6553] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6548] exit_group(0) = ? [pid 6553] +++ exited with 0 +++ [pid 6548] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6548, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6556] <... unshare resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6556] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] exit_group(0 [pid 6556] <... futex resumed>) = ? [pid 6550] <... exit_group resumed>) = ? [pid 6556] +++ exited with 0 +++ [pid 6550] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6559 attached [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6559 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6560 ./strace-static-x86_64: Process 6560 attached [pid 6559] set_robust_list(0x5555576166a0, 24 [pid 6554] <... unshare resumed>) = 0 [pid 6552] <... unshare resumed>) = 0 [pid 6560] set_robust_list(0x5555576166a0, 24) = 0 [pid 6560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6559] <... set_robust_list resumed>) = 0 [pid 6554] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... prctl resumed>) = 0 [pid 6554] <... futex resumed>) = 0 [pid 6560] setpgid(0, 0 [pid 6559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6554] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6560] <... setpgid resumed>) = 0 [pid 6552] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] exit_group(0 [pid 6560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6559] <... prctl resumed>) = 0 [pid 6554] <... futex resumed>) = ? [pid 6552] <... futex resumed>) = 0 [pid 6551] <... exit_group resumed>) = ? [pid 6559] setpgid(0, 0 [pid 6560] write(3, "1000", 4 [pid 6552] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6560] <... write resumed>) = 4 [pid 6554] +++ exited with 0 +++ [pid 6560] close(3) = 0 [pid 6560] write(1, "executing program\n", 18 [pid 6559] <... setpgid resumed>) = 0 [pid 6551] +++ exited with 0 +++ [pid 6547] exit_group(0executing program [pid 6560] <... write resumed>) = 18 [pid 6559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6547] <... exit_group resumed>) = ? [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6551, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6560] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... futex resumed>) = ? [pid 6560] <... futex resumed>) = 0 [pid 6559] <... openat resumed>) = 3 [pid 6552] +++ exited with 0 +++ [pid 6547] +++ exited with 0 +++ [pid 6560] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6559] write(3, "1000", 4 [pid 6555] <... unshare resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6560] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6547, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6560] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6560] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6564 attached => {parent_tid=[6564]}, 88) = 6564 ./strace-static-x86_64: Process 6565 attached [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6565 [pid 6560] rt_sigprocmask(SIG_SETMASK, [], [pid 6565] set_robust_list(0x5555576166a0, 24 [pid 6564] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6559] <... write resumed>) = 4 [pid 6565] <... set_robust_list resumed>) = 0 [pid 6560] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6564] <... rseq resumed>) = 0 [pid 6559] close(3 [pid 6555] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... prctl resumed>) = 0 [pid 6564] set_robust_list(0x7f4033e329a0, 24 [pid 6559] <... close resumed>) = 0 [pid 6555] <... futex resumed>) = 0 [pid 6565] setpgid(0, 0 [pid 6564] <... set_robust_list resumed>) = 0 executing program [pid 6565] <... setpgid resumed>) = 0 [pid 6564] rt_sigprocmask(SIG_SETMASK, [], [pid 6559] write(1, "executing program\n", 18 [pid 6555] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6559] <... write resumed>) = 18 [pid 6560] <... futex resumed>) = 0 [pid 6565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6564] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6560] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6559] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] exit_group(0) = ? [pid 5826] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6566 attached , child_tidptr=0x555557616690) = 6566 [pid 6555] <... futex resumed>) = ? [pid 6559] <... futex resumed>) = 0 [pid 6559] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6565] <... openat resumed>) = 3 [pid 6559] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6565] write(3, "1000", 4 [pid 6566] set_robust_list(0x5555576166a0, 24 [pid 6559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6565] <... write resumed>) = 4 [pid 6565] close(3 [pid 6559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6565] <... close resumed>) = 0 [pid 6559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6565] write(1, "executing program\n", 18 [pid 6566] <... set_robust_list resumed>) = 0 [pid 6565] <... write resumed>) = 18 [pid 6559] <... mmap resumed>) = 0x7f4033e12000 [pid 6555] +++ exited with 0 +++ [pid 6549] +++ exited with 0 +++ [pid 6566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6565] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6549, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6566] <... prctl resumed>) = 0 [pid 6565] <... futex resumed>) = 0 [pid 6559] <... mprotect resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6565] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6566] setpgid(0, 0 [pid 6559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6565] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6566] <... setpgid resumed>) = 0 [pid 6565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6568 attached ./strace-static-x86_64: Process 6567 attached [pid 6565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6566] <... openat resumed>) = 3 [pid 6565] <... mmap resumed>) = 0x7f4033e12000 [pid 6559] <... clone3 resumed> => {parent_tid=[6567]}, 88) = 6567 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6568 [pid 6568] set_robust_list(0x5555576166a0, 24 [pid 6567] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6566] write(3, "1000", 4 [pid 6565] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6559] rt_sigprocmask(SIG_SETMASK, [], [pid 6566] <... write resumed>) = 4 [pid 6568] <... set_robust_list resumed>) = 0 [pid 6567] <... rseq resumed>) = 0 [pid 6566] close(3 [pid 6565] <... mprotect resumed>) = 0 [pid 6559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6566] <... close resumed>) = 0 [pid 6568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6567] set_robust_list(0x7f4033e329a0, 24 executing program [pid 6566] write(1, "executing program\n", 18 [pid 6565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6559] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... prctl resumed>) = 0 [pid 6567] <... set_robust_list resumed>) = 0 [pid 6566] <... write resumed>) = 18 [pid 6565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6559] <... futex resumed>) = 0 [pid 6566] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] setpgid(0, 0 [pid 6567] rt_sigprocmask(SIG_SETMASK, [], [pid 6566] <... futex resumed>) = 0 [pid 6565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6559] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] <... setpgid resumed>) = 0 [pid 6567] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6569 attached [pid 6568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6567] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6566] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6569] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6566] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6569] <... rseq resumed>) = 0 [pid 6568] <... openat resumed>) = 3 [pid 6565] <... clone3 resumed> => {parent_tid=[6569]}, 88) = 6569 [pid 6566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6569] set_robust_list(0x7f4033e329a0, 24 [pid 6566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], [pid 6566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6569] <... set_robust_list resumed>) = 0 [pid 6566] <... mmap resumed>) = 0x7f4033e12000 [pid 6568] write(3, "1000", 4 [pid 6566] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6569] rt_sigprocmask(SIG_SETMASK, [], [pid 6565] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6560] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6566] <... mprotect resumed>) = 0 [pid 6560] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6565] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6560] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6569] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6568] <... write resumed>) = 4 [pid 6568] close(3 [pid 6566] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 6568] <... close resumed>) = 0 [pid 6568] write(1, "executing program\n", 18) = 18 [pid 6566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6568] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6568] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6570 attached [pid 6568] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6566] <... clone3 resumed> => {parent_tid=[6570]}, 88) = 6570 [pid 6570] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6568] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], [pid 6568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6566] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6566] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] <... rseq resumed>) = 0 [pid 6570] set_robust_list(0x7f4033e329a0, 24 [pid 6568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6570] <... set_robust_list resumed>) = 0 [pid 6570] rt_sigprocmask(SIG_SETMASK, [], [pid 6568] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6568] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6559] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6571 attached => {parent_tid=[6571]}, 88) = 6571 [pid 6568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6568] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6568] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6564] <... unshare resumed>) = 0 [pid 6571] <... rseq resumed>) = 0 [pid 6571] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6564] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6571] rt_sigprocmask(SIG_SETMASK, [], [pid 6564] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6560] exit_group(0 [pid 6564] <... futex resumed>) = ? [pid 6560] <... exit_group resumed>) = ? [pid 6564] +++ exited with 0 +++ [pid 6560] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6560, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6573 attached [pid 6568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6573 [pid 6573] set_robust_list(0x5555576166a0, 24) = 0 [pid 6573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6573] setpgid(0, 0) = 0 [pid 6573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6573] write(3, "1000", 4) = 4 [pid 6573] close(3) = 0 [pid 6573] write(1, "executing program\n", 18executing program ) = 18 [pid 6573] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6573] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6573] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6573] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6574 attached => {parent_tid=[6574]}, 88) = 6574 [pid 6573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6573] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6573] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6574] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6574] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6573] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6570] <... unshare resumed>) = 0 [pid 6570] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] exit_group(0) = ? [pid 6570] <... futex resumed>) = ? [pid 6570] +++ exited with 0 +++ [pid 6566] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6566, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6577 attached [pid 6567] <... unshare resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6577 [pid 6567] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6567] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6577] set_robust_list(0x5555576166a0, 24) = 0 [pid 6577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6577] setpgid(0, 0 [pid 6559] exit_group(0 [pid 6567] <... futex resumed>) = ? [pid 6559] <... exit_group resumed>) = ? [pid 6577] <... setpgid resumed>) = 0 [pid 6567] +++ exited with 0 +++ [pid 6559] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6559, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6577] <... openat resumed>) = 3 [pid 6577] write(3, "1000", 4 [pid 6569] <... unshare resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6577] <... write resumed>) = 4 [pid 6569] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] close(3 [pid 6569] <... futex resumed>) = 0 executing program [pid 6577] <... close resumed>) = 0 [pid 6565] exit_group(0) = ? [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6577] write(1, "executing program\n", 18./strace-static-x86_64: Process 6579 attached ) = 18 [pid 6577] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] +++ exited with 0 +++ [pid 6565] +++ exited with 0 +++ [pid 6577] <... futex resumed>) = 0 [pid 6577] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6565, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6579 [pid 6579] set_robust_list(0x5555576166a0, 24 [pid 6577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6579] <... set_robust_list resumed>) = 0 [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] <... prctl resumed>) = 0 [pid 6579] setpgid(0, 0 [pid 6577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6577] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6579] <... setpgid resumed>) = 0 [pid 6577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6580 attached [pid 6579] <... openat resumed>) = 3 [pid 6579] write(3, "1000", 4 [pid 6577] <... clone3 resumed> => {parent_tid=[6580]}, 88) = 6580 [pid 6579] <... write resumed>) = 4 [pid 6577] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6581 attached [pid 6579] close(3 [pid 6577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] <... close resumed>) = 0 [pid 6577] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6580] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6579] write(1, "executing program\n", 18 [pid 6577] <... futex resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6581 [pid 6581] set_robust_list(0x5555576166a0, 24 [pid 6580] <... rseq resumed>) = 0 [pid 6579] <... write resumed>) = 18 [pid 6577] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] <... set_robust_list resumed>) = 0 [pid 6580] set_robust_list(0x7f4033e329a0, 24 [pid 6579] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] <... futex resumed>) = 0 [pid 6579] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6581] <... prctl resumed>) = 0 [pid 6579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6581] setpgid(0, 0 [pid 6579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6581] <... setpgid resumed>) = 0 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6580] rt_sigprocmask(SIG_SETMASK, [], [pid 6579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] <... mmap resumed>) = 0x7f4033e12000 [pid 6580] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6579] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6581] <... openat resumed>) = 3 [pid 6579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6581] write(3, "1000", 4 [pid 6579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6582 attached [pid 6581] <... write resumed>) = 4 [pid 6582] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6579] <... clone3 resumed> => {parent_tid=[6582]}, 88) = 6582 [pid 6582] <... rseq resumed>) = 0 [pid 6581] close(3 [pid 6579] rt_sigprocmask(SIG_SETMASK, [], [pid 6582] set_robust_list(0x7f4033e329a0, 24 [pid 6581] <... close resumed>) = 0 [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6582] <... set_robust_list resumed>) = 0 [pid 6579] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6581] write(1, "executing program\n", 18 [pid 6582] rt_sigprocmask(SIG_SETMASK, [], [pid 6581] <... write resumed>) = 18 [pid 6579] <... futex resumed>) = 0 [pid 6582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6581] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6581] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6581] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6581] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6574] <... unshare resumed>) = 0 [pid 6581] <... clone3 resumed> => {parent_tid=[6584]}, 88) = 6584 [pid 6581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6581] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6581] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6584 attached [pid 6584] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6574] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] exit_group(0) = ? [pid 6584] <... rseq resumed>) = 0 [pid 6574] <... futex resumed>) = ? [pid 6584] set_robust_list(0x7f4033e329a0, 24 [pid 6577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6574] +++ exited with 0 +++ [pid 6573] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6573, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6584] <... set_robust_list resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6584] rt_sigprocmask(SIG_SETMASK, [], [pid 5820] <... restart_syscall resumed>) = 0 [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6584] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6585 attached [pid 6585] set_robust_list(0x5555576166a0, 24 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6585 [pid 6585] <... set_robust_list resumed>) = 0 [pid 6585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6585] setpgid(0, 0) = 0 [pid 6585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6571] <... unshare resumed>) = 0 [pid 6585] <... openat resumed>) = 3 [pid 6571] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] write(3, "1000", 4) = 4 [pid 6571] <... futex resumed>) = 0 [pid 6568] exit_group(0) = ? [pid 6585] close(3) = 0 [pid 6585] write(1, "executing program\n", 18 [pid 6571] +++ exited with 0 +++ [pid 6568] +++ exited with 0 +++ executing program [pid 6585] <... write resumed>) = 18 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6568, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6585] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6585] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6587 attached [pid 6579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6587] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6585] <... clone3 resumed> => {parent_tid=[6587]}, 88) = 6587 [pid 6587] set_robust_list(0x7f4033e329a0, 24 [pid 6585] rt_sigprocmask(SIG_SETMASK, [], [pid 6587] <... set_robust_list resumed>) = 0 [pid 6587] rt_sigprocmask(SIG_SETMASK, [], [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6585] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6585] <... futex resumed>) = 0 [pid 6581] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6585] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6588 ./strace-static-x86_64: Process 6588 attached [pid 6585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6588] set_robust_list(0x5555576166a0, 24) = 0 [pid 6588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6588] setpgid(0, 0) = 0 [pid 6588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6588] write(3, "1000", 4) = 4 [pid 6588] close(3) = 0 [pid 6588] write(1, "executing program\n", 18executing program ) = 18 [pid 6588] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6588] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6588] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6589 attached => {parent_tid=[6589]}, 88) = 6589 [pid 6588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6588] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6588] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6582] <... unshare resumed>) = 0 [pid 6589] <... rseq resumed>) = 0 [pid 6582] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] set_robust_list(0x7f4033e329a0, 24 [pid 6579] exit_group(0) = ? [pid 6589] <... set_robust_list resumed>) = 0 [pid 6582] <... futex resumed>) = ? [pid 6589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6589] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6582] +++ exited with 0 +++ [pid 6579] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6579, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6591 attached [pid 6591] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6591 [pid 6591] <... set_robust_list resumed>) = 0 [pid 6591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6591] setpgid(0, 0) = 0 [pid 6591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6591] write(3, "1000", 4) = 4 [pid 6591] close(3) = 0 [pid 6591] write(1, "executing program\n", 18) = 18 [pid 6591] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6591] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6591] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6592 attached [pid 6592] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6591] <... clone3 resumed> => {parent_tid=[6592]}, 88) = 6592 [pid 6592] <... rseq resumed>) = 0 [pid 6591] rt_sigprocmask(SIG_SETMASK, [], [pid 6592] set_robust_list(0x7f4033e329a0, 24 [pid 6591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6591] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... set_robust_list resumed>) = 0 [pid 6591] <... futex resumed>) = 0 [pid 6592] rt_sigprocmask(SIG_SETMASK, [], [pid 6591] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6592] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6580] <... unshare resumed>) = 0 [pid 6591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6580] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6580] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6577] exit_group(0 [pid 6580] <... futex resumed>) = ? [pid 6577] <... exit_group resumed>) = ? [pid 6580] +++ exited with 0 +++ [pid 6577] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6577, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6584] <... unshare resumed>) = 0 [pid 6584] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6581] exit_group(0 [pid 6584] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] <... exit_group resumed>) = ? [pid 6584] <... futex resumed>) = ? [pid 6584] +++ exited with 0 +++ [pid 6581] +++ exited with 0 +++ ./strace-static-x86_64: Process 6595 attached [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6595 [pid 6595] set_robust_list(0x5555576166a0, 24 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6581, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6595] <... set_robust_list resumed>) = 0 [pid 6595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6595] <... prctl resumed>) = 0 [pid 6595] setpgid(0, 0) = 0 [pid 6595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6597 attached ) = 3 [pid 6592] <... unshare resumed>) = 0 [pid 6589] <... unshare resumed>) = 0 [pid 6587] <... unshare resumed>) = 0 [pid 6589] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = 0 [pid 6587] <... futex resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6597 [pid 6595] write(3, "1000", 4 [pid 6587] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] exit_group(0 [pid 6597] set_robust_list(0x5555576166a0, 24 [pid 6595] <... write resumed>) = 4 [pid 6592] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] exit_group(0 [pid 6587] <... futex resumed>) = ? [pid 6585] <... exit_group resumed>) = ? [pid 6597] <... set_robust_list resumed>) = 0 [pid 6595] close(3 [pid 6592] <... futex resumed>) = 0 [pid 6591] exit_group(0 [pid 6589] <... futex resumed>) = ? [pid 6588] <... exit_group resumed>) = ? executing program [pid 6597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6595] <... close resumed>) = 0 [pid 6592] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6587] +++ exited with 0 +++ [pid 6597] <... prctl resumed>) = 0 [pid 6595] write(1, "executing program\n", 18 [pid 6597] setpgid(0, 0 [pid 6595] <... write resumed>) = 18 [pid 6597] <... setpgid resumed>) = 0 [pid 6595] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... futex resumed>) = ? [pid 6591] <... exit_group resumed>) = ? [pid 6585] +++ exited with 0 +++ [pid 6595] <... futex resumed>) = 0 [pid 6597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6595] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6592] +++ exited with 0 +++ [pid 6595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6597] <... openat resumed>) = 3 [pid 6595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6597] write(3, "1000", 4 [pid 6595] <... mmap resumed>) = 0x7f4033e12000 [pid 6591] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6585, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6597] <... write resumed>) = 4 [pid 6595] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6597] close(3executing program [pid 6595] <... mprotect resumed>) = 0 [pid 6589] +++ exited with 0 +++ [pid 6588] +++ exited with 0 +++ [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6597] <... close resumed>) = 0 [pid 6595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6591, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5820] <... restart_syscall resumed>) = 0 [pid 6597] write(1, "executing program\n", 18 [pid 6595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6588, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6597] <... write resumed>) = 18 [pid 6595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6600 attached [pid 6597] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6595] <... clone3 resumed> => {parent_tid=[6600]}, 88) = 6600 [pid 6597] <... futex resumed>) = 0 [pid 6595] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6600] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6597] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6601 attached [pid 6600] <... rseq resumed>) = 0 [pid 6597] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6595] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6595] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6602 attached ) = 0x7f4033e12000 [pid 6597] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6600] set_robust_list(0x7f4033e329a0, 24 [pid 6597] <... mprotect resumed>) = 0 [pid 6602] set_robust_list(0x5555576166a0, 24 [pid 6600] <... set_robust_list resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6600] rt_sigprocmask(SIG_SETMASK, [], [pid 6597] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6601 [pid 6597] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6600] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6603 attached [pid 6602] <... set_robust_list resumed>) = 0 [pid 6601] set_robust_list(0x5555576166a0, 24 [pid 6600] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6603] set_robust_list(0x5555576166a0, 24) = 0 [pid 6597] <... clone3 resumed> => {parent_tid=[6604]}, 88) = 6604 [pid 6603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6603] <... prctl resumed>) = 0 [pid 6597] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] setpgid(0, 0 [pid 6597] <... futex resumed>) = 0 [pid 6597] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6604 attached [pid 6603] <... setpgid resumed>) = 0 [pid 6602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6601] <... set_robust_list resumed>) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6603 [pid 6603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6604] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6602] <... prctl resumed>) = 0 [pid 6601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6602 [pid 6604] <... rseq resumed>) = 0 [pid 6603] write(3, "1000", 4 [pid 6602] setpgid(0, 0 [pid 6601] <... prctl resumed>) = 0 [pid 6604] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6602] <... setpgid resumed>) = 0 [pid 6604] rt_sigprocmask(SIG_SETMASK, [], [pid 6602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6602] <... openat resumed>) = 3 [pid 6604] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6602] write(3, "1000", 4 [pid 6601] setpgid(0, 0 [pid 6602] <... write resumed>) = 4 [pid 6602] close(3 [pid 6601] <... setpgid resumed>) = 0 executing program [pid 6602] <... close resumed>) = 0 [pid 6602] write(1, "executing program\n", 18) = 18 [pid 6602] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6602] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6603] <... write resumed>) = 4 [pid 6602] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6603] close(3 [pid 6602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6601] <... openat resumed>) = 3 [pid 6602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6601] write(3, "1000", 4 [pid 6602] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6603] <... close resumed>) = 0 [pid 6602] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6601] <... write resumed>) = 4 [pid 6602] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program [pid 6603] write(1, "executing program\n", 18 [pid 6601] close(3 [pid 6602] <... clone3 resumed> => {parent_tid=[6605]}, 88) = 6605 [pid 6602] rt_sigprocmask(SIG_SETMASK, [], [pid 6603] <... write resumed>) = 18 [pid 6602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6601] <... close resumed>) = 0 [pid 6603] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6603] <... futex resumed>) = 0 [pid 6602] <... futex resumed>) = 0 [pid 6601] write(1, "executing program\n", 18 [pid 6603] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6602] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6601] <... write resumed>) = 18 [pid 6603] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6601] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6601] <... futex resumed>) = 0 [pid 6603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6601] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6603] <... mmap resumed>) = 0x7f4033e12000 [pid 6603] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6605 attached [pid 6601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6605] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6605] <... rseq resumed>) = 0 [pid 6603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6605] set_robust_list(0x7f4033e329a0, 24./strace-static-x86_64: Process 6606 attached ) = 0 [pid 6601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6605] rt_sigprocmask(SIG_SETMASK, [], [pid 6603] <... clone3 resumed> => {parent_tid=[6606]}, 88) = 6606 [pid 6605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6603] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] <... mmap resumed>) = 0x7f4033e12000 [pid 6605] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6601] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6606] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6606] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6606] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6595] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6603] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] <... mprotect resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6603] <... futex resumed>) = 1 [pid 6601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6597] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6606] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6603] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6600] <... unshare resumed>) = 0 [pid 6601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6600] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6608 attached [pid 6601] <... clone3 resumed> => {parent_tid=[6608]}, 88) = 6608 [pid 6600] <... futex resumed>) = 0 [pid 6595] exit_group(0) = ? [pid 6601] rt_sigprocmask(SIG_SETMASK, [], [pid 6608] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6600] +++ exited with 0 +++ [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6608] <... rseq resumed>) = 0 [pid 6595] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6595, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6601] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6601] <... futex resumed>) = 0 [pid 6608] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6608] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5826] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6609 attached , child_tidptr=0x555557616690) = 6609 [pid 6609] set_robust_list(0x5555576166a0, 24) = 0 [pid 6602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6609] setpgid(0, 0) = 0 [pid 6609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6609] write(3, "1000", 4executing program ) = 4 [pid 6609] close(3) = 0 [pid 6604] <... unshare resumed>) = 0 [pid 6609] write(1, "executing program\n", 18) = 18 [pid 6604] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6609] <... futex resumed>) = 0 [pid 6609] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6604] <... futex resumed>) = 0 [pid 6597] exit_group(0 [pid 6609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6597] <... exit_group resumed>) = ? [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6604] +++ exited with 0 +++ [pid 6601] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6609] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6609] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6597] +++ exited with 0 +++ [pid 6609] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6597, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6609] <... clone3 resumed> => {parent_tid=[6611]}, 88) = 6611 [pid 6609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6611 attached [pid 6609] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6609] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6611] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6611] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5824] <... restart_syscall resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6612 attached [pid 6612] set_robust_list(0x5555576166a0, 24) = 0 [pid 6612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6605] <... unshare resumed>) = 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6612 [pid 6605] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6605] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6602] exit_group(0 [pid 6605] <... futex resumed>) = ? [pid 6602] <... exit_group resumed>) = ? [pid 6605] +++ exited with 0 +++ [pid 6602] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6602, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6612] <... prctl resumed>) = 0 [pid 6612] setpgid(0, 0) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 6612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6612] write(3, "1000", 4) = 4 [pid 6612] close(3) = 0 [pid 6612] write(1, "executing program\n", 18) = 18 [pid 6612] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6614 attached [pid 6612] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6614] set_robust_list(0x5555576166a0, 24 [pid 6612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6614 [pid 6614] <... set_robust_list resumed>) = 0 [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6614] <... prctl resumed>) = 0 [pid 6612] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6614] setpgid(0, 0 [pid 6612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6614] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6615 attached [pid 6614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6612] <... clone3 resumed> => {parent_tid=[6615]}, 88) = 6615 [pid 6615] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6612] rt_sigprocmask(SIG_SETMASK, [], [pid 6615] set_robust_list(0x7f4033e329a0, 24 [pid 6614] <... openat resumed>) = 3 [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6615] <... set_robust_list resumed>) = 0 [pid 6614] write(3, "1000", 4 [pid 6612] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] rt_sigprocmask(SIG_SETMASK, [], [pid 6612] <... futex resumed>) = 0 [pid 6615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6612] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6606] <... unshare resumed>) = 0 [pid 6614] <... write resumed>) = 4 [pid 6606] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] close(3 [pid 6606] <... futex resumed>) = 0 executing program [pid 6614] <... close resumed>) = 0 [pid 6606] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6614] write(1, "executing program\n", 18 [pid 6603] exit_group(0 [pid 6614] <... write resumed>) = 18 [pid 6606] <... futex resumed>) = ? [pid 6603] <... exit_group resumed>) = ? [pid 6614] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] +++ exited with 0 +++ [pid 6603] +++ exited with 0 +++ [pid 6614] <... futex resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6603, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6614] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6611] <... unshare resumed>) = 0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6611] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6609] exit_group(0 [pid 6614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6609] <... exit_group resumed>) = ? [pid 6614] <... mmap resumed>) = 0x7f4033e12000 [pid 6614] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6618 attached [pid 6618] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6614] <... clone3 resumed> => {parent_tid=[6618]}, 88) = 6618 [pid 6618] <... rseq resumed>) = 0 [pid 6614] rt_sigprocmask(SIG_SETMASK, [], [pid 6611] <... futex resumed>) = ? [pid 6618] set_robust_list(0x7f4033e329a0, 24 [pid 6614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6618] <... set_robust_list resumed>) = 0 [pid 6614] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] rt_sigprocmask(SIG_SETMASK, [], [pid 6614] <... futex resumed>) = 0 [pid 6618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6614] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5821] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6611] +++ exited with 0 +++ [pid 6609] +++ exited with 0 +++ ./strace-static-x86_64: Process 6619 attached [pid 6619] set_robust_list(0x5555576166a0, 24 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6619 [pid 6619] <... set_robust_list resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6609, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6619] setpgid(0, 0) = 0 [pid 6619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6619] write(3, "1000", 4) = 4 executing program [pid 6619] close(3) = 0 [pid 6619] write(1, "executing program\n", 18) = 18 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6619] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6620 [pid 6619] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6620 attached [pid 6620] set_robust_list(0x5555576166a0, 24) = 0 [pid 6620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6619] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6620] <... prctl resumed>) = 0 [pid 6619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6620] setpgid(0, 0 [pid 6619] <... mmap resumed>) = 0x7f4033e12000 [pid 6620] <... setpgid resumed>) = 0 [pid 6619] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6619] <... mprotect resumed>) = 0 [pid 6620] <... openat resumed>) = 3 [pid 6619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6620] write(3, "1000", 4 [pid 6619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6620] <... write resumed>) = 4 [pid 6619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6608] <... unshare resumed>) = 0 [pid 6620] close(3./strace-static-x86_64: Process 6622 attached ) = 0 executing program [pid 6622] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6620] write(1, "executing program\n", 18 [pid 6608] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... rseq resumed>) = 0 [pid 6620] <... write resumed>) = 18 [pid 6620] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... clone3 resumed> => {parent_tid=[6622]}, 88) = 6622 [pid 6601] exit_group(0 [pid 6619] rt_sigprocmask(SIG_SETMASK, [], [pid 6601] <... exit_group resumed>) = ? [pid 6619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6622] set_robust_list(0x7f4033e329a0, 24 [pid 6620] <... futex resumed>) = 0 [pid 6619] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... futex resumed>) = ? [pid 6619] <... futex resumed>) = 0 [pid 6622] <... set_robust_list resumed>) = 0 [pid 6620] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6619] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6622] rt_sigprocmask(SIG_SETMASK, [], [pid 6620] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6614] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6614] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6622] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6608] +++ exited with 0 +++ [pid 6601] +++ exited with 0 +++ [pid 6620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6601, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6620] <... mmap resumed>) = 0x7f4033e12000 [pid 6620] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6620] <... mprotect resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6624 attached ./strace-static-x86_64: Process 6623 attached [pid 6620] <... clone3 resumed> => {parent_tid=[6623]}, 88) = 6623 [pid 6620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6620] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6620] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6623] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6624 [pid 6624] set_robust_list(0x5555576166a0, 24 [pid 6623] <... rseq resumed>) = 0 [pid 6624] <... set_robust_list resumed>) = 0 [pid 6623] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6623] rt_sigprocmask(SIG_SETMASK, [], [pid 6624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6623] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6624] <... prctl resumed>) = 0 [pid 6624] setpgid(0, 0) = 0 [pid 6624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6624] write(3, "1000", 4) = 4 executing program [pid 6624] close(3) = 0 [pid 6624] write(1, "executing program\n", 18) = 18 [pid 6624] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6624] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6624] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6625 attached => {parent_tid=[6625]}, 88) = 6625 [pid 6625] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6624] rt_sigprocmask(SIG_SETMASK, [], [pid 6625] <... rseq resumed>) = 0 [pid 6625] set_robust_list(0x7f4033e329a0, 24 [pid 6624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] <... set_robust_list resumed>) = 0 [pid 6625] rt_sigprocmask(SIG_SETMASK, [], [pid 6624] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6624] <... futex resumed>) = 0 [pid 6624] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6615] <... unshare resumed>) = 0 [pid 6615] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] exit_group(0 [pid 6618] <... unshare resumed>) = 0 [pid 6624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6615] <... futex resumed>) = ? [pid 6612] <... exit_group resumed>) = ? [pid 6618] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] +++ exited with 0 +++ [pid 6614] exit_group(0 [pid 6612] +++ exited with 0 +++ [pid 6614] <... exit_group resumed>) = ? [pid 6618] +++ exited with 0 +++ [pid 6614] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6612, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6614, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 5824] <... restart_syscall resumed>) = 0 [pid 5820] <... restart_syscall resumed>) = 0 [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6628 attached [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6628 [pid 6628] set_robust_list(0x5555576166a0, 24) = 0 ./strace-static-x86_64: Process 6629 attached [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6629 [pid 6628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6629] set_robust_list(0x5555576166a0, 24 [pid 6628] <... prctl resumed>) = 0 [pid 6629] <... set_robust_list resumed>) = 0 [pid 6628] setpgid(0, 0) = 0 [pid 6629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6629] <... prctl resumed>) = 0 [pid 6629] setpgid(0, 0 [pid 6628] <... openat resumed>) = 3 [pid 6629] <... setpgid resumed>) = 0 [pid 6628] write(3, "1000", 4 [pid 6629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6628] <... write resumed>) = 4 [pid 6629] <... openat resumed>) = 3 [pid 6628] close(3 [pid 6629] write(3, "1000", 4 [pid 6628] <... close resumed>) = 0 [pid 6629] <... write resumed>) = 4 [pid 6628] write(1, "executing program\n", 18executing program [pid 6629] close(3 [pid 6628] <... write resumed>) = 18 [pid 6629] <... close resumed>) = 0 [pid 6628] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6629] write(1, "executing program\n", 18 [pid 6628] <... futex resumed>) = 0 [pid 6629] <... write resumed>) = 18 [pid 6628] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6629] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6629] <... futex resumed>) = 0 [pid 6628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6629] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6629] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6628] <... mmap resumed>) = 0x7f4033e12000 [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6628] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6628] <... mprotect resumed>) = 0 [pid 6629] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6628] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6629] <... mprotect resumed>) = 0 [pid 6628] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6630 attached [pid 6629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6631 attached [pid 6630] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6628] <... clone3 resumed> => {parent_tid=[6630]}, 88) = 6630 [pid 6631] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6630] <... rseq resumed>) = 0 [pid 6629] <... clone3 resumed> => {parent_tid=[6631]}, 88) = 6631 [pid 6628] rt_sigprocmask(SIG_SETMASK, [], [pid 6631] <... rseq resumed>) = 0 [pid 6630] set_robust_list(0x7f4033e329a0, 24 [pid 6629] rt_sigprocmask(SIG_SETMASK, [], [pid 6628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6631] set_robust_list(0x7f4033e329a0, 24 [pid 6630] <... set_robust_list resumed>) = 0 [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6628] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] <... set_robust_list resumed>) = 0 [pid 6630] rt_sigprocmask(SIG_SETMASK, [], [pid 6629] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = 0 [pid 6631] rt_sigprocmask(SIG_SETMASK, [], [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6629] <... futex resumed>) = 0 [pid 6631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6630] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6629] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6628] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6622] <... unshare resumed>) = 0 [pid 6622] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6622] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6619] exit_group(0 [pid 6622] <... futex resumed>) = ? [pid 6619] <... exit_group resumed>) = ? [pid 6622] +++ exited with 0 +++ [pid 6619] +++ exited with 0 +++ [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6619, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5821] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6634 ./strace-static-x86_64: Process 6634 attached [pid 6623] <... unshare resumed>) = 0 [pid 6623] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6634] set_robust_list(0x5555576166a0, 24 [pid 6623] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] exit_group(0 [pid 6623] <... futex resumed>) = ? [pid 6620] <... exit_group resumed>) = ? [pid 6623] +++ exited with 0 +++ [pid 6620] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6620, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6634] <... set_robust_list resumed>) = 0 [pid 6634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6634] setpgid(0, 0) = 0 [pid 6634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6636 [pid 6625] <... unshare resumed>) = 0 [pid 6634] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6636 attached [pid 6625] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] exit_group(0 [pid 6636] set_robust_list(0x5555576166a0, 24 [pid 6634] write(3, "1000", 4 [pid 6625] <... futex resumed>) = ? [pid 6624] <... exit_group resumed>) = ? [pid 6636] <... set_robust_list resumed>) = 0 [pid 6634] <... write resumed>) = 4 [pid 6625] +++ exited with 0 +++ [pid 6624] +++ exited with 0 +++ [pid 6636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6634] close(3 [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6624, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6634] <... close resumed>) = 0 executing program [pid 6636] <... prctl resumed>) = 0 [pid 6634] write(1, "executing program\n", 18 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6636] setpgid(0, 0 [pid 6634] <... write resumed>) = 18 [pid 6636] <... setpgid resumed>) = 0 [pid 6634] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6634] <... futex resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6634] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6636] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6637 attached [pid 6636] write(3, "1000", 4 [pid 6634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] <... write resumed>) = 4 [pid 6634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6636] close(3 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6637 [pid 6637] set_robust_list(0x5555576166a0, 24 [pid 6636] <... close resumed>) = 0 [pid 6634] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6637] <... set_robust_list resumed>) = 0 [pid 6636] write(1, "executing program\n", 18 [pid 6634] <... mprotect resumed>) = 0 [pid 6637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] <... write resumed>) = 18 [pid 6634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6636] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... prctl resumed>) = 0 [pid 6636] <... futex resumed>) = 0 [pid 6634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6637] setpgid(0, 0 [pid 6636] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6630] <... unshare resumed>) = 0 [pid 6637] <... setpgid resumed>) = 0 [pid 6636] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6634] <... clone3 resumed> => {parent_tid=[6640]}, 88) = 6640 [pid 6636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6634] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6640 attached [pid 6636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6640] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6636] <... mmap resumed>) = 0x7f4033e12000 [pid 6634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6630] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6634] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] exit_group(0 [pid 6640] <... rseq resumed>) = 0 [pid 6636] <... mprotect resumed>) = 0 [pid 6634] <... futex resumed>) = 0 [pid 6631] <... unshare resumed>) = 0 [pid 6630] <... futex resumed>) = ? [pid 6640] set_robust_list(0x7f4033e329a0, 24 [pid 6631] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... exit_group resumed>) = ? [pid 6640] <... set_robust_list resumed>) = 0 [pid 6631] <... futex resumed>) = 0 [pid 6640] rt_sigprocmask(SIG_SETMASK, [], [pid 6637] <... openat resumed>) = 3 [pid 6636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6634] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] write(3, "1000", 4 [pid 6636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6641 attached [pid 6640] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6640] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6637] <... write resumed>) = 4 [pid 6629] exit_group(0 [pid 6637] close(3) = 0 [pid 6637] write(1, "executing program\n", 18) = 18 [pid 6637] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6637] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6636] <... clone3 resumed> => {parent_tid=[6641]}, 88) = 6641 [pid 6630] +++ exited with 0 +++ [pid 6628] +++ exited with 0 +++ [pid 6637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6636] rt_sigprocmask(SIG_SETMASK, [], [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6636] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... mmap resumed>) = 0x7f4033e12000 [pid 6636] <... futex resumed>) = 0 [pid 6637] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6631] <... futex resumed>) = ? [pid 6629] <... exit_group resumed>) = ? [pid 6636] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6642 attached [pid 6642] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6642] set_robust_list(0x7f4033e329a0, 24 [pid 6637] <... clone3 resumed> => {parent_tid=[6642]}, 88) = 6642 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6637] rt_sigprocmask(SIG_SETMASK, [], [pid 6642] rt_sigprocmask(SIG_SETMASK, [], [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6642] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6637] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6628, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6637] <... futex resumed>) = 0 [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6641] <... rseq resumed>) = 0 [pid 6637] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] set_robust_list(0x7f4033e329a0, 24 [pid 6631] +++ exited with 0 +++ [pid 6629] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 6641] <... set_robust_list resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6629, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6641] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6643 attached , child_tidptr=0x555557616690) = 6643 [pid 6643] set_robust_list(0x5555576166a0, 24) = 0 [pid 6643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6643] setpgid(0, 0) = 0 [pid 6643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6643] <... openat resumed>) = 3 [pid 6643] write(3, "1000", 4 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6644 [pid 6643] <... write resumed>) = 4 ./strace-static-x86_64: Process 6644 attached [pid 6643] close(3executing program [pid 6644] set_robust_list(0x5555576166a0, 24 [pid 6643] <... close resumed>) = 0 [pid 6643] write(1, "executing program\n", 18) = 18 [pid 6644] <... set_robust_list resumed>) = 0 [pid 6643] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6643] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6644] <... prctl resumed>) = 0 [pid 6644] setpgid(0, 0 [pid 6643] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6644] <... setpgid resumed>) = 0 [pid 6643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6644] <... openat resumed>) = 3 [pid 6643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6644] write(3, "1000", 4) = 4 [pid 6643] <... mmap resumed>) = 0x7f4033e12000 [pid 6644] close(3) = 0 executing program [pid 6644] write(1, "executing program\n", 18) = 18 [pid 6644] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6644] <... futex resumed>) = 0 [pid 6644] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6643] <... mprotect resumed>) = 0 [pid 6644] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6645 attached [pid 6644] <... mmap resumed>) = 0x7f4033e12000 [pid 6637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6643] <... clone3 resumed> => {parent_tid=[6645]}, 88) = 6645 [pid 6643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6643] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6643] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6644] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6645] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6644] <... mprotect resumed>) = 0 [pid 6645] set_robust_list(0x7f4033e329a0, 24 [pid 6644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6645] <... set_robust_list resumed>) = 0 [pid 6644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6645] rt_sigprocmask(SIG_SETMASK, [], [pid 6644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6646 attached [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6645] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6646] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6644] <... clone3 resumed> => {parent_tid=[6646]}, 88) = 6646 [pid 6640] <... unshare resumed>) = 0 [pid 6646] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6644] rt_sigprocmask(SIG_SETMASK, [], [pid 6640] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] rt_sigprocmask(SIG_SETMASK, [], [pid 6644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6640] <... futex resumed>) = 0 [pid 6640] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6634] exit_group(0 [pid 6640] <... futex resumed>) = ? [pid 6634] <... exit_group resumed>) = ? [pid 6646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6644] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] +++ exited with 0 +++ [pid 6634] +++ exited with 0 +++ [pid 6646] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6644] <... futex resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6634, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6644] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] <... restart_syscall resumed>) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6648 ./strace-static-x86_64: Process 6648 attached [pid 6648] set_robust_list(0x5555576166a0, 24) = 0 [pid 6648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6648] setpgid(0, 0) = 0 [pid 6648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6644] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6648] <... openat resumed>) = 3 [pid 6648] write(3, "1000", 4) = 4 [pid 6648] close(3) = 0 executing program [pid 6648] write(1, "executing program\n", 18) = 18 [pid 6648] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6648] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6648] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6649 attached [pid 6649] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6649] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6648] <... clone3 resumed> => {parent_tid=[6649]}, 88) = 6649 [pid 6649] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6648] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] <... futex resumed>) = 0 [pid 6648] <... futex resumed>) = 1 [pid 6649] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6648] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6642] <... unshare resumed>) = 0 [pid 6642] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6642] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] exit_group(0 [pid 6642] <... futex resumed>) = ? [pid 6637] <... exit_group resumed>) = ? [pid 6642] +++ exited with 0 +++ [pid 6637] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6637, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 6641] <... unshare resumed>) = 0 [pid 5819] <... restart_syscall resumed>) = 0 [pid 6641] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6641] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6636] exit_group(0./strace-static-x86_64: Process 6652 attached [pid 6652] set_robust_list(0x5555576166a0, 24 [pid 6648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6645] <... unshare resumed>) = 0 [pid 6641] <... futex resumed>) = ? [pid 6636] <... exit_group resumed>) = ? [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6652 [pid 6652] <... set_robust_list resumed>) = 0 [pid 6641] +++ exited with 0 +++ [pid 6652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6645] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] setpgid(0, 0 [pid 6645] <... futex resumed>) = 0 [pid 6652] <... setpgid resumed>) = 0 [pid 6646] <... unshare resumed>) = 0 [pid 6645] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6643] exit_group(0 [pid 6652] <... openat resumed>) = 3 [pid 6646] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... futex resumed>) = ? [pid 6643] <... exit_group resumed>) = ? [pid 6636] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6636, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6652] write(3, "1000", 4 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6652] <... write resumed>) = 4 [pid 6645] +++ exited with 0 +++ [pid 6652] close(3) = 0 [pid 6646] <... futex resumed>) = 0 [pid 6643] +++ exited with 0 +++ [pid 5826] <... restart_syscall resumed>) = 0 executing program [pid 6652] write(1, "executing program\n", 18 [pid 6644] exit_group(0 [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6643, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6652] <... write resumed>) = 18 [pid 6644] <... exit_group resumed>) = ? [pid 6652] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6652] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, ./strace-static-x86_64: Process 6656 attached NULL, 8) = 0 ./strace-static-x86_64: Process 6655 attached [pid 6652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6655] set_robust_list(0x5555576166a0, 24 [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6656] set_robust_list(0x5555576166a0, 24 [pid 6655] <... set_robust_list resumed>) = 0 [pid 6652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6656] <... set_robust_list resumed>) = 0 [pid 6652] <... mmap resumed>) = 0x7f4033e12000 [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6656 [pid 6656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6652] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6655 [pid 6656] <... prctl resumed>) = 0 [pid 6655] <... prctl resumed>) = 0 [pid 6652] <... mprotect resumed>) = 0 [pid 6656] setpgid(0, 0 [pid 6655] setpgid(0, 0 [pid 6646] +++ exited with 0 +++ [pid 6644] +++ exited with 0 +++ [pid 6656] <... setpgid resumed>) = 0 [pid 6652] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6655] <... setpgid resumed>) = 0 [pid 6655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6652] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6644, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5824] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6657 attached [pid 6656] <... openat resumed>) = 3 [pid 6655] <... openat resumed>) = 3 [pid 6657] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6656] write(3, "1000", 4 [pid 6655] write(3, "1000", 4 [pid 6652] <... clone3 resumed> => {parent_tid=[6657]}, 88) = 6657 [pid 6657] set_robust_list(0x7f4033e329a0, 24 [pid 6656] <... write resumed>) = 4 [pid 6655] <... write resumed>) = 4 [pid 6649] <... unshare resumed>) = 0 [pid 5824] <... restart_syscall resumed>) = 0 [pid 6652] rt_sigprocmask(SIG_SETMASK, [], [pid 6657] <... set_robust_list resumed>) = 0 [pid 6649] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6649] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6655] close(3 [pid 6656] close(3 [pid 6657] rt_sigprocmask(SIG_SETMASK, [], [pid 6656] <... close resumed>) = 0 [pid 6655] <... close resumed>) = 0 [pid 6652] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] write(1, "executing program\n", 18 [pid 6655] write(1, "executing program\n", 18 [pid 6652] <... futex resumed>) = 0 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program ./strace-static-x86_64: Process 6659 attached [pid 6657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6656] <... write resumed>) = 18 [pid 6655] <... write resumed>) = 18 [pid 6652] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6656] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] exit_group(0 [pid 6659] set_robust_list(0x5555576166a0, 24 [pid 6656] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = ? [pid 6648] <... exit_group resumed>) = ? [pid 6659] <... set_robust_list resumed>) = 0 [pid 6659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6656] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6655] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6649] +++ exited with 0 +++ [pid 6648] +++ exited with 0 +++ [pid 6659] <... prctl resumed>) = 0 [pid 6656] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6655] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6648, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6659] setpgid(0, 0 [pid 6656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6659] <... setpgid resumed>) = 0 [pid 6656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6659 [pid 6659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6656] <... mmap resumed>) = 0x7f4033e12000 [pid 6655] <... mmap resumed>) = 0x7f4033e12000 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6656] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6655] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6659] <... openat resumed>) = 3 [pid 6656] <... mprotect resumed>) = 0 [pid 6655] <... mprotect resumed>) = 0 [pid 6659] write(3, "1000", 4 [pid 6656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6655] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6659] <... write resumed>) = 4 [pid 6656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6659] close(3 [pid 6656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}executing program [pid 6655] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6661 attached ./strace-static-x86_64: Process 6660 attached [pid 6659] <... close resumed>) = 0 [pid 6659] write(1, "executing program\n", 18) = 18 [pid 6656] <... clone3 resumed> => {parent_tid=[6661]}, 88) = 6661 [pid 6659] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6659] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6660] set_robust_list(0x5555576166a0, 24 [pid 6656] rt_sigprocmask(SIG_SETMASK, [], [pid 6659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6660] <... set_robust_list resumed>) = 0 [pid 6659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6656] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6659] <... mmap resumed>) = 0x7f4033e12000 [pid 6656] <... futex resumed>) = 0 [pid 6656] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6661] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6661] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6661] rt_sigprocmask(SIG_SETMASK, [], [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6660 [pid 6655] <... clone3 resumed> => {parent_tid=[6662]}, 88) = 6662 [pid 6661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6661] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6655] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6662 attached [pid 6660] <... prctl resumed>) = 0 [pid 6659] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6655] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6655] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] setpgid(0, 0) = 0 [pid 6662] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6659] <... mprotect resumed>) = 0 [pid 6662] <... rseq resumed>) = 0 [pid 6660] <... openat resumed>) = 3 [pid 6662] set_robust_list(0x7f4033e329a0, 24 [pid 6660] write(3, "1000", 4 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6662] rt_sigprocmask(SIG_SETMASK, [], [pid 6660] <... write resumed>) = 4 executing program [pid 6659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6660] close(3 [pid 6662] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6660] <... close resumed>) = 0 [pid 6660] write(1, "executing program\n", 18) = 18 [pid 6660] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6660] <... futex resumed>) = 0 [pid 6659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6660] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, ./strace-static-x86_64: Process 6663 attached NULL, 8) = 0 [pid 6660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6659] <... clone3 resumed> => {parent_tid=[6663]}, 88) = 6663 [pid 6660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6659] rt_sigprocmask(SIG_SETMASK, [], [pid 6660] <... mmap resumed>) = 0x7f4033e12000 [pid 6659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6659] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6660] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6659] <... futex resumed>) = 0 [pid 6663] <... rseq resumed>) = 0 [pid 6663] set_robust_list(0x7f4033e329a0, 24 [pid 6660] <... mprotect resumed>) = 0 [pid 6659] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] <... set_robust_list resumed>) = 0 [pid 6663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6663] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6652] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6664 attached => {parent_tid=[6664]}, 88) = 6664 [pid 6664] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6660] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... rseq resumed>) = 0 [pid 6660] <... futex resumed>) = 0 [pid 6664] set_robust_list(0x7f4033e329a0, 24 [pid 6660] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6664] <... set_robust_list resumed>) = 0 [pid 6664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6664] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6655] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6661] <... unshare resumed>) = 0 [pid 6657] <... unshare resumed>) = 0 [pid 6661] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] exit_group(0 [pid 6652] exit_group(0 [pid 6656] <... exit_group resumed>) = ? [pid 6652] <... exit_group resumed>) = ? [pid 6657] <... futex resumed>) = ? [pid 6661] <... futex resumed>) = ? [pid 6661] +++ exited with 0 +++ [pid 6656] +++ exited with 0 +++ [pid 5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6656, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] restart_syscall(<... resuming interrupted clone ...> [pid 6663] <... unshare resumed>) = 0 [pid 6657] +++ exited with 0 +++ [pid 6652] +++ exited with 0 +++ [pid 6663] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] exit_group(0 [pid 6663] <... futex resumed>) = ? [pid 6659] <... exit_group resumed>) = ? [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6652, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6663] +++ exited with 0 +++ [pid 6659] +++ exited with 0 +++ [pid 5820] <... restart_syscall resumed>) = 0 [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6659, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6664] <... unshare resumed>) = 0 [pid 6662] <... unshare resumed>) = 0 [pid 5819] restart_syscall(<... resuming interrupted clone ...> [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6664] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6671 attached ./strace-static-x86_64: Process 6670 attached [pid 6664] <... futex resumed>) = 0 [pid 6662] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] <... futex resumed>) = 0 [pid 6660] exit_group(0 [pid 6655] exit_group(0 [pid 6664] <... futex resumed>) = ? [pid 6660] <... exit_group resumed>) = ? [pid 6655] <... exit_group resumed>) = ? [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6662] +++ exited with 0 +++ [pid 6664] +++ exited with 0 +++ [pid 6660] +++ exited with 0 +++ [pid 6655] +++ exited with 0 +++ [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6671 ./strace-static-x86_64: Process 6672 attached [pid 6671] set_robust_list(0x5555576166a0, 24 [pid 6670] set_robust_list(0x5555576166a0, 24 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6655, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6660, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 5820] <... clone resumed>, child_tidptr=0x555557616690) = 6670 [pid 5819] <... clone resumed>, child_tidptr=0x555557616690) = 6672 [pid 6672] set_robust_list(0x5555576166a0, 24 [pid 6671] <... set_robust_list resumed>) = 0 [pid 6670] <... set_robust_list resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6672] <... set_robust_list resumed>) = 0 [pid 6671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6671] <... prctl resumed>) = 0 [pid 6670] <... prctl resumed>) = 0 [pid 6672] <... prctl resumed>) = 0 [pid 6671] setpgid(0, 0 [pid 6670] setpgid(0, 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6672] setpgid(0, 0 [pid 6671] <... setpgid resumed>) = 0 [pid 6670] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6673 attached [pid 6672] <... setpgid resumed>) = 0 [pid 6671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6673] set_robust_list(0x5555576166a0, 24 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6674 attached [pid 6672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6670] <... openat resumed>) = 3 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6673 [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6674 executing program executing program executing program [pid 6674] set_robust_list(0x5555576166a0, 24 [pid 6673] <... set_robust_list resumed>) = 0 [pid 6672] <... openat resumed>) = 3 [pid 6671] <... openat resumed>) = 3 [pid 6670] write(3, "1000", 4 [pid 6674] <... set_robust_list resumed>) = 0 [pid 6673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6672] write(3, "1000", 4 [pid 6671] write(3, "1000", 4 [pid 6670] <... write resumed>) = 4 [pid 6674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6673] <... prctl resumed>) = 0 [pid 6672] <... write resumed>) = 4 [pid 6671] <... write resumed>) = 4 [pid 6670] close(3 [pid 6673] setpgid(0, 0 [pid 6672] close(3 [pid 6671] close(3 [pid 6670] <... close resumed>) = 0 [pid 6674] <... prctl resumed>) = 0 [pid 6673] <... setpgid resumed>) = 0 [pid 6672] <... close resumed>) = 0 [pid 6671] <... close resumed>) = 0 [pid 6670] write(1, "executing program\n", 18 [pid 6674] setpgid(0, 0 [pid 6672] write(1, "executing program\n", 18 [pid 6670] <... write resumed>) = 18 [pid 6672] <... write resumed>) = 18 [pid 6670] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... futex resumed>) = 0 [pid 6671] write(1, "executing program\n", 18) = 18 [pid 6670] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6674] <... setpgid resumed>) = 0 [pid 6671] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6671] <... futex resumed>) = 0 [pid 6672] <... futex resumed>) = 0 [pid 6670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6671] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6670] <... mmap resumed>) = 0x7f4033e12000 [pid 6672] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6673] <... openat resumed>) = 3 [pid 6672] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6671] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6670] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6674] <... openat resumed>) = 3 [pid 6672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6670] <... mprotect resumed>) = 0 [pid 6674] write(3, "1000", 4 [pid 6671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6674] <... write resumed>) = 4 [pid 6671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6674] close(3 [pid 6670] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6672] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6674] <... close resumed>) = 0 [pid 6674] write(1, "executing program\n", 18 [pid 6672] <... mmap resumed>) = 0x7f4033e12000 [pid 6671] <... mmap resumed>) = 0x7f4033e12000 [pid 6674] <... write resumed>) = 18 [pid 6672] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6674] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6674] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6673] write(3, "1000", 4 [pid 6672] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6671] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6670] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6674] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6673] <... write resumed>) = 4 [pid 6672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6671] <... mprotect resumed>) = 0 [pid 6670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6675 attached ./strace-static-x86_64: Process 6676 attached [pid 6674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6673] close(3 [pid 6671] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6676] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6675] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] <... close resumed>) = 0 [pid 6672] <... clone3 resumed> => {parent_tid=[6675]}, 88) = 6675 [pid 6671] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6670] <... clone3 resumed> => {parent_tid=[6676]}, 88) = 6676 [pid 6676] <... rseq resumed>) = 0 [pid 6675] <... rseq resumed>) = 0 [pid 6674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6673] write(1, "executing program\n", 18 [pid 6672] rt_sigprocmask(SIG_SETMASK, [], [pid 6671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6670] rt_sigprocmask(SIG_SETMASK, [], [pid 6674] <... mmap resumed>) = 0x7f4033e12000 [pid 6673] <... write resumed>) = 18 [pid 6672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6670] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6677 attached [pid 6676] set_robust_list(0x7f4033e329a0, 24 [pid 6675] set_robust_list(0x7f4033e329a0, 24 [pid 6674] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6673] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... clone3 resumed> => {parent_tid=[6677]}, 88) = 6677 [pid 6670] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6676] <... set_robust_list resumed>) = 0 [pid 6675] <... set_robust_list resumed>) = 0 [pid 6674] <... mprotect resumed>) = 0 [pid 6673] <... futex resumed>) = 0 [pid 6672] <... futex resumed>) = 0 [pid 6671] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... futex resumed>) = 0 [pid 6677] <... rseq resumed>) = 0 [pid 6676] rt_sigprocmask(SIG_SETMASK, [], [pid 6675] rt_sigprocmask(SIG_SETMASK, [], [pid 6674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6673] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6672] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6670] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] set_robust_list(0x7f4033e329a0, 24 [pid 6676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6673] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6671] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... set_robust_list resumed>) = 0 [pid 6676] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6675] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6671] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6678 attached [pid 6677] rt_sigprocmask(SIG_SETMASK, [], [pid 6673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6671] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6674] <... clone3 resumed> => {parent_tid=[6678]}, 88) = 6678 [pid 6673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6678] <... rseq resumed>) = 0 [pid 6674] rt_sigprocmask(SIG_SETMASK, [], [pid 6673] <... mmap resumed>) = 0x7f4033e12000 [pid 6678] set_robust_list(0x7f4033e329a0, 24 [pid 6677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE [pid 6677] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6673] <... mprotect resumed>) = 0 [pid 6678] <... set_robust_list resumed>) = 0 [pid 6674] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6678] rt_sigprocmask(SIG_SETMASK, [], [pid 6674] <... futex resumed>) = 0 [pid 6678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6673] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6679]}, 88) = 6679 ./strace-static-x86_64: Process 6679 attached [pid 6673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6673] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6673] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6679] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6679] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6679] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6671] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6674] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6673] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6675] <... unshare resumed>) = 0 [pid 6675] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] exit_group(0 [pid 6675] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6672] <... exit_group resumed>) = ? [pid 6675] +++ exited with 0 +++ [pid 6672] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6672, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557616690) = 6681 ./strace-static-x86_64: Process 6681 attached [pid 6681] set_robust_list(0x5555576166a0, 24) = 0 [pid 6681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6681] setpgid(0, 0) = 0 [pid 6681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6679] <... unshare resumed>) = 0 [pid 6681] write(3, "1000", 4 [pid 6679] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... write resumed>) = 4 [pid 6679] <... futex resumed>) = 0 [pid 6681] close(3 [pid 6679] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6681] <... close resumed>) = 0 [pid 6681] write(1, "executing program\n", 18 executing program [pid 6673] exit_group(0 [pid 6681] <... write resumed>) = 18 [pid 6673] <... exit_group resumed>) = ? [pid 6681] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] <... futex resumed>) = ? [pid 6681] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6679] +++ exited with 0 +++ [pid 6673] +++ exited with 0 +++ [pid 6681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6673, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6681] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6683 attached [pid 6683] set_robust_list(0x5555576166a0, 24 [pid 6681] <... mprotect resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6683 [pid 6683] <... set_robust_list resumed>) = 0 [pid 6681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6670] exit_group(0 [pid 6683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6678] <... unshare resumed>) = 0 [pid 6683] <... prctl resumed>) = 0 [pid 6670] <... exit_group resumed>) = ? [pid 6683] setpgid(0, 0) = 0 [pid 6681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 6678] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6678] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6685 attached [pid 6678] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6685] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6681] <... clone3 resumed> => {parent_tid=[6685]}, 88) = 6685 [pid 6683] <... openat resumed>) = 3 [pid 6681] rt_sigprocmask(SIG_SETMASK, [], [pid 6685] <... rseq resumed>) = 0 [pid 6685] set_robust_list(0x7f4033e329a0, 24 [pid 6681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] exit_group(0 [pid 6685] <... set_robust_list resumed>) = 0 [pid 6681] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... exit_group resumed>) = ? [pid 6678] <... futex resumed>) = ? [pid 6678] +++ exited with 0 +++ [pid 6685] rt_sigprocmask(SIG_SETMASK, [], [pid 6674] +++ exited with 0 +++ [pid 6685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6681] <... futex resumed>) = 0 [pid 5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6674, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6681] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 5821] restart_syscall(<... resuming interrupted clone ...> [pid 6683] write(3, "1000", 4 [pid 5821] <... restart_syscall resumed>) = 0 [pid 6683] <... write resumed>) = 4 [pid 6683] close(3) = 0 executing program [pid 6683] write(1, "executing program\n", 18) = 18 [pid 6683] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6683] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6683] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6687 attached [pid 6683] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6687] set_robust_list(0x5555576166a0, 24 [pid 6683] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6687] <... set_robust_list resumed>) = 0 [pid 6683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0}./strace-static-x86_64: Process 6688 attached [pid 6687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6688] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6683] <... clone3 resumed> => {parent_tid=[6688]}, 88) = 6688 [pid 6688] <... rseq resumed>) = 0 [pid 6687] <... prctl resumed>) = 0 [pid 6688] set_robust_list(0x7f4033e329a0, 24 [pid 6687] setpgid(0, 0 [pid 6683] rt_sigprocmask(SIG_SETMASK, [], [pid 6688] <... set_robust_list resumed>) = 0 [pid 6687] <... setpgid resumed>) = 0 [pid 6683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6671] exit_group(0 [pid 6688] rt_sigprocmask(SIG_SETMASK, [], [pid 6683] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6683] <... futex resumed>) = 0 [pid 6671] <... exit_group resumed>) = ? [pid 6688] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6683] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... openat resumed>) = 3 [pid 6677] <... unshare resumed>) = ? [pid 5821] <... clone resumed>, child_tidptr=0x555557616690) = 6687 [pid 6687] write(3, "1000", 4) = 4 [pid 6687] close(3) = 0 [pid 6687] write(1, "executing program\n", 18executing program ) = 18 [pid 6687] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6687] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, [pid 6677] +++ exited with 0 +++ [pid 6671] +++ exited with 0 +++ [pid 5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6671, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6687] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5824] restart_syscall(<... resuming interrupted clone ...> [pid 6687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6687] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6687] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} [pid 5824] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6689 attached [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6689] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053 [pid 6687] <... clone3 resumed> => {parent_tid=[6689]}, 88) = 6689 [pid 6689] <... rseq resumed>) = 0 [pid 6687] rt_sigprocmask(SIG_SETMASK, [], [pid 6689] set_robust_list(0x7f4033e329a0, 24 [pid 6687] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6690 attached [pid 6689] <... set_robust_list resumed>) = 0 [pid 6681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6687] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... clone resumed>, child_tidptr=0x555557616690) = 6690 [pid 6690] set_robust_list(0x5555576166a0, 24 [pid 6689] rt_sigprocmask(SIG_SETMASK, [], [pid 6687] <... futex resumed>) = 0 [pid 6690] <... set_robust_list resumed>) = 0 [pid 6689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6687] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6690] setpgid(0, 0 [pid 6683] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6690] <... setpgid resumed>) = 0 [pid 6690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6690] write(3, "1000", 4) = 4 [pid 6690] close(3) = 0 executing program [pid 6690] write(1, "executing program\n", 18) = 18 [pid 6690] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6690] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6690] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6691]}, 88) = 6691 [pid 6690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6690] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6691 attached [pid 6690] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6691] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6691] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6687] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6688] <... unshare resumed>) = 0 [pid 6688] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6688] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] exit_group(0 [pid 6688] <... futex resumed>) = ? [pid 6683] <... exit_group resumed>) = ? [pid 6688] +++ exited with 0 +++ [pid 6683] +++ exited with 0 +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6683, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6693 attached [pid 6693] set_robust_list(0x5555576166a0, 24) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x555557616690) = 6693 [pid 6693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6693] setpgid(0, 0) = 0 [pid 6693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6693] write(3, "1000", 4) = 4 [pid 6693] close(3) = 0 [pid 6693] write(1, "executing program\n", 18executing program ) = 18 [pid 6693] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6693] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6693] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6694]}, 88) = 6694 [pid 6693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6693] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6694 attached [pid 6693] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6694] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6694] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6694] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6685] <... unshare resumed>) = 0 [pid 6685] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6685] futex(0x7f4033f01308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6681] exit_group(0) = ? [pid 6685] <... futex resumed>) = ? [pid 6685] +++ exited with 0 +++ [pid 6681] +++ exited with 0 +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6681, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5819] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 74.306122][ T6676] ------------[ cut here ]------------ [ 74.311724][ T6676] WARNING: CPU: 0 PID: 6676 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xbd/0x120 [ 74.320872][ T6676] Modules linked in: [ 74.324815][ T6676] CPU: 0 UID: 0 PID: 6676 Comm: syz-executor273 Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0 [ 74.335948][ T6676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 74.346016][ T6676] RIP: 0010:ip6mr_free_table+0xbd/0x120 [ 74.351573][ T6676] Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 44 c6 af f7 90 <0f> 0b 90 e8 3b c6 af f7 48 8d 7b 38 e8 a2 86 9c f7 48 89 df be 0f [ 74.371208][ T6676] RSP: 0018:ffffc90002e47bd8 EFLAGS: 00010293 [ 74.377324][ T6676] RAX: 0000000000000000 RBX: ffff888071b04000 RCX: ffffffff89ea3f94 [ 74.385339][ T6676] RDX: ffff88802504a440 RSI: ffffffff89ea3fcc RDI: ffff888071d8e980 [ 74.393381][ T6676] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 [ 74.401349][ T6676] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888071d8dac0 [ 74.409353][ T6676] R13: ffff888071b04000 R14: ffff888071b04008 R15: dead000000000100 [ 74.417340][ T6676] FS: 00007f4033e326c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 74.426291][ T6676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.432893][ T6676] CR2: 0000555557616690 CR3: 000000007aa40000 CR4: 00000000003526f0 [ 74.440860][ T6676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.448859][ T6676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6696 attached , child_tidptr=0x555557616690) = 6696 [ 74.456843][ T6676] Call Trace: [ 74.460116][ T6676] [ 74.463263][ T6676] ? __warn+0xea/0x3c0 [ 74.467476][ T6676] ? ip6mr_free_table+0xbd/0x120 [ 74.472490][ T6676] ? report_bug+0x3c0/0x580 [ 74.477288][ T6676] ? handle_bug+0x54/0xa0 [ 74.481622][ T6676] ? exc_invalid_op+0x17/0x50 [ 74.486346][ T6676] ? asm_exc_invalid_op+0x1a/0x20 [ 74.491382][ T6676] ? ip6mr_free_table+0x84/0x120 [ 74.496356][ T6676] ? ip6mr_free_table+0xbc/0x120 [ 74.501300][ T6676] ? ip6mr_free_table+0xbd/0x120 [pid 6696] set_robust_list(0x5555576166a0, 24) = 0 [pid 6696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6696] setpgid(0, 0) = 0 [ 74.506278][ T6676] ? ip6mr_free_table+0xbc/0x120 [ 74.511219][ T6676] ip6mr_rules_exit+0x176/0x2d0 [ 74.516098][ T6676] ip6mr_net_exit_batch+0x53/0xa0 [ 74.521124][ T6676] ? __pfx_ip6mr_net_exit_batch+0x10/0x10 [ 74.526878][ T6676] ? __pfx_ip6mr_net_exit+0x10/0x10 [ 74.532080][ T6676] ops_exit_list+0x128/0x180 [ 74.536702][ T6676] setup_net+0x4fe/0x860 [ 74.540951][ T6676] ? __pfx_setup_net+0x10/0x10 [ 74.545741][ T6676] ? down_read_killable+0xcc/0x380 [ 74.550864][ T6676] ? __pfx_down_read_killable+0x10/0x10 executing program [pid 6696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6696] write(3, "1000", 4) = 4 [pid 6696] close(3) = 0 [pid 6696] write(1, "executing program\n", 18) = 18 [pid 6696] futex(0x7f4033f0130c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6696] rt_sigaction(SIGRT_1, {sa_handler=0x7f4033e9d210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4033e8e890}, NULL, 8) = 0 [pid 6696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4033e12000 [pid 6696] mprotect(0x7f4033e13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4033e32990, parent_tid=0x7f4033e32990, exit_signal=0, stack=0x7f4033e12000, stack_size=0x20300, tls=0x7f4033e326c0} => {parent_tid=[6697]}, 88) = 6697 [pid 6696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6696] futex(0x7f4033f01308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 74.556776][ T6676] ? __raw_spin_lock_init+0x3a/0x110 [ 74.562304][ T6676] ? debug_mutex_init+0x37/0x70 [ 74.567380][ T6676] copy_net_ns+0x2b4/0x6b0 [ 74.571887][ T6676] create_new_namespaces+0x3ea/0xad0 [ 74.577214][ T6676] unshare_nsproxy_namespaces+0xc0/0x1f0 [ 74.582903][ T6676] ksys_unshare+0x45d/0xa40 [ 74.587424][ T6676] ? __pfx_ksys_unshare+0x10/0x10 [ 74.592555][ T6676] ? lockdep_hardirqs_on+0x7c/0x110 [ 74.597758][ T6676] ? _raw_spin_unlock_irq+0x2e/0x50 [ 74.602993][ T6676] __x64_sys_unshare+0x31/0x40 [pid 6696] futex(0x7f4033f0130c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6697 attached [pid 6697] rseq(0x7f4033e32fe0, 0x20, 0, 0x53053053) = 0 [pid 6697] set_robust_list(0x7f4033e329a0, 24) = 0 [pid 6697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6697] unshare(CLONE_FS|CLONE_SYSVSEM|CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWNET [pid 6696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 74.607777][ T6676] do_syscall_64+0xcd/0x250 [ 74.612309][ T6676] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.618440][ T6676] RIP: 0033:0x7f4033e772d9 [ 74.622940][ T6676] 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 [ 74.642610][ T6676] RSP: 002b:00007f4033e32238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 74.651034][ T6676] RAX: ffffffffffffffda RBX: 00007f4033f01308 RCX: 00007f4033e772d9 [ 74.659065][ T6676] RDX: 00007f4033e538c6 RSI: 0000000000000000 RDI: 0000000068040200 [ 74.667080][ T6676] RBP: 00007f4033f01300 R08: 00007ffd4a32f167 R09: 00007f4033e326c0 [ 74.675116][ T6676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4033f0130c [ 74.683143][ T6676] R13: 0000000000000000 R14: 00007ffd4a32f080 R15: 00007ffd4a32f168 [ 74.691146][ T6676] [ 74.694196][ T6676] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.701477][ T6676] CPU: 0 UID: 0 PID: 6676 Comm: syz-executor273 Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0 [ 74.712592][ T6676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 74.722637][ T6676] Call Trace: [ 74.725991][ T6676] [ 74.728914][ T6676] dump_stack_lvl+0x3d/0x1f0 [ 74.733512][ T6676] panic+0x71d/0x800 [ 74.737414][ T6676] ? __pfx_panic+0x10/0x10 [ 74.741829][ T6676] ? show_trace_log_lvl+0x29d/0x3d0 [ 74.747026][ T6676] ? check_panic_on_warn+0x1f/0xb0 [ 74.752146][ T6676] ? ip6mr_free_table+0xbd/0x120 [ 74.757088][ T6676] check_panic_on_warn+0xab/0xb0 [ 74.762027][ T6676] __warn+0xf6/0x3c0 [ 74.765915][ T6676] ? ip6mr_free_table+0xbd/0x120 [ 74.770854][ T6676] report_bug+0x3c0/0x580 [ 74.775198][ T6676] handle_bug+0x54/0xa0 [ 74.779359][ T6676] exc_invalid_op+0x17/0x50 [ 74.783860][ T6676] asm_exc_invalid_op+0x1a/0x20 [ 74.788797][ T6676] RIP: 0010:ip6mr_free_table+0xbd/0x120 [ 74.794347][ T6676] Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 44 c6 af f7 90 <0f> 0b 90 e8 3b c6 af f7 48 8d 7b 38 e8 a2 86 9c f7 48 89 df be 0f [ 74.813959][ T6676] RSP: 0018:ffffc90002e47bd8 EFLAGS: 00010293 [ 74.820288][ T6676] RAX: 0000000000000000 RBX: ffff888071b04000 RCX: ffffffff89ea3f94 [ 74.828339][ T6676] RDX: ffff88802504a440 RSI: ffffffff89ea3fcc RDI: ffff888071d8e980 [ 74.836308][ T6676] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 [ 74.844272][ T6676] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888071d8dac0 [ 74.852235][ T6676] R13: ffff888071b04000 R14: ffff888071b04008 R15: dead000000000100 [ 74.860202][ T6676] ? ip6mr_free_table+0x84/0x120 [ 74.865140][ T6676] ? ip6mr_free_table+0xbc/0x120 [ 74.870078][ T6676] ? ip6mr_free_table+0xbc/0x120 [ 74.875014][ T6676] ip6mr_rules_exit+0x176/0x2d0 [ 74.879863][ T6676] ip6mr_net_exit_batch+0x53/0xa0 [ 74.884883][ T6676] ? __pfx_ip6mr_net_exit_batch+0x10/0x10 [ 74.890595][ T6676] ? __pfx_ip6mr_net_exit+0x10/0x10 [ 74.895787][ T6676] ops_exit_list+0x128/0x180 [ 74.900371][ T6676] setup_net+0x4fe/0x860 [ 74.904607][ T6676] ? __pfx_setup_net+0x10/0x10 [ 74.909362][ T6676] ? down_read_killable+0xcc/0x380 [ 74.914470][ T6676] ? __pfx_down_read_killable+0x10/0x10 [ 74.920010][ T6676] ? __raw_spin_lock_init+0x3a/0x110 [ 74.925293][ T6676] ? debug_mutex_init+0x37/0x70 [ 74.930143][ T6676] copy_net_ns+0x2b4/0x6b0 [ 74.934554][ T6676] create_new_namespaces+0x3ea/0xad0 [ 74.939838][ T6676] unshare_nsproxy_namespaces+0xc0/0x1f0 [ 74.945468][ T6676] ksys_unshare+0x45d/0xa40 [ 74.949969][ T6676] ? __pfx_ksys_unshare+0x10/0x10 [ 74.954993][ T6676] ? lockdep_hardirqs_on+0x7c/0x110 [ 74.960189][ T6676] ? _raw_spin_unlock_irq+0x2e/0x50 [ 74.965383][ T6676] __x64_sys_unshare+0x31/0x40 [ 74.970151][ T6676] do_syscall_64+0xcd/0x250 [ 74.974660][ T6676] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.980553][ T6676] RIP: 0033:0x7f4033e772d9 [ 74.984960][ T6676] 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 [ 75.004556][ T6676] RSP: 002b:00007f4033e32238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 75.012961][ T6676] RAX: ffffffffffffffda RBX: 00007f4033f01308 RCX: 00007f4033e772d9 [ 75.020923][ T6676] RDX: 00007f4033e538c6 RSI: 0000000000000000 RDI: 0000000068040200 [ 75.028882][ T6676] RBP: 00007f4033f01300 R08: 00007ffd4a32f167 R09: 00007f4033e326c0 [ 75.036842][ T6676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4033f0130c [ 75.044802][ T6676] R13: 0000000000000000 R14: 00007ffd4a32f080 R15: 00007ffd4a32f168 [ 75.052775][ T6676] [ 75.055886][ T6676] Kernel Offset: disabled [ 75.060228][ T6676] Rebooting in 86400 seconds..