./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2746474821 <...> Warning: Permanently added '10.128.1.12' (ED25519) to the list of known hosts. execve("./syz-executor2746474821", ["./syz-executor2746474821"], 0x7ffc52938380 /* 10 vars */) = 0 brk(NULL) = 0x555594fba000 brk(0x555594fbad40) = 0x555594fbad40 arch_prctl(ARCH_SET_FS, 0x555594fba3c0) = 0 set_tid_address(0x555594fba690) = 5249 set_robust_list(0x555594fba6a0, 24) = 0 rseq(0x555594fbace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2746474821", 4096) = 28 getrandom("\x89\x0c\x44\x4e\x5b\xc7\x1d\x21", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594fbad40 brk(0x555594fdbd40) = 0x555594fdbd40 brk(0x555594fdc000) = 0x555594fdc000 mprotect(0x7f381838a000, 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 5250 attached , child_tidptr=0x555594fba690) = 5250 [pid 5250] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5250] setpgid(0, 0) = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5250] write(3, "1000", 4) = 4 [pid 5250] close(3) = 0 [pid 5250] write(1, "executing program\n", 18executing program ) = 18 [pid 5250] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5250] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5251 attached [pid 5251] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5251] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] <... clone3 resumed> => {parent_tid=[5251]}, 88) = 5251 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5251] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5250] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... madvise resumed>) = 0 [pid 5251] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5251] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... futex resumed>) = 0 [pid 5251] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5250] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... mremap resumed>) = 0x20130000 [pid 5251] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5251] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] mlock(0x20000000, 8388608 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... mlock resumed>) = 0 [pid 5251] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5251] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] munmap(0x201a2000, 4096 [pid 5250] <... futex resumed>) = 0 [pid 5251] <... munmap resumed>) = 0 [pid 5250] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5251] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5251] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5250] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... migrate_pages resumed>) = 0 [pid 5250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5250] futex(0x7f381839031c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5251] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... mmap resumed>) = 0x7f3818280000 [pid 5251] <... futex resumed>) = 0 [pid 5251] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] mprotect(0x7f3818281000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182a0990, parent_tid=0x7f38182a0990, exit_signal=0, stack=0x7f3818280000, stack_size=0x20300, tls=0x7f38182a06c0}./strace-static-x86_64: Process 5252 attached [pid 5252] rseq(0x7f38182a0fe0, 0x20, 0, 0x53053053) = 0 [pid 5252] set_robust_list(0x7f38182a09a0, 24 [pid 5250] <... clone3 resumed> => {parent_tid=[5252]}, 88) = 5252 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] futex(0x7f3818390318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7f3818390318, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... futex resumed>) = 0 [pid 5252] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5250] futex(0x7f381839031c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5253 attached [pid 5252] <... clone3 resumed>) = 5253 [pid 5252] futex(0x7f381839031c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5252] futex(0x7f3818390318, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] <... futex resumed>) = 0 [pid 5250] exit_group(0 [pid 5252] <... futex resumed>) = ? [pid 5251] <... futex resumed>) = ? [pid 5250] <... exit_group resumed>) = ? [pid 5251] +++ exited with 0 +++ [pid 5252] +++ exited with 0 +++ [pid 5250] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5254 attached , child_tidptr=0x555594fba690) = 5254 [pid 5254] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5254] setpgid(0, 0) = 0 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5254] write(3, "1000", 4) = 4 [pid 5254] close(3) = 0 [pid 5254] write(1, "executing program\n", 18executing program ) = 18 [pid 5254] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5254] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5254] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5254] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5255 attached [pid 5255] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5254] <... clone3 resumed> => {parent_tid=[5255]}, 88) = 5255 [pid 5255] <... rseq resumed>) = 0 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], [pid 5255] set_robust_list(0x7f38182c19a0, 24 [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], [pid 5254] <... futex resumed>) = 0 [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5255] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5254] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... madvise resumed>) = 0 [pid 5255] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5255] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5254] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... mremap resumed>) = 0x20130000 [pid 5254] <... futex resumed>) = 0 [pid 5255] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... futex resumed>) = 0 [pid 5255] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5254] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 1 [pid 5255] mlock(0x20000000, 8388608 [pid 5254] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... mlock resumed>) = 0 [pid 5253] exit(0 [pid 5255] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5253] <... exit resumed>) = ? [pid 5255] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5255] munmap(0x201a2000, 4096) = 0 [pid 5255] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 0 [pid 5253] +++ exited with 0 +++ [pid 5255] <... futex resumed>) = 0 [pid 5255] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5254] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = 0 [pid 5255] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5254] <... futex resumed>) = 1 [pid 5254] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... migrate_pages resumed>) = 0 [pid 5255] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5255] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5254] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5254] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5256 attached [pid 5255] <... clone3 resumed>) = 5256 [pid 5255] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5255] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] exit_group(0 [pid 5255] <... futex resumed>) = ? [pid 5254] <... exit_group resumed>) = ? [pid 5255] +++ exited with 0 +++ [pid 5254] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5257 attached , child_tidptr=0x555594fba690) = 5257 [pid 5257] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5257] setpgid(0, 0) = 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5257] write(3, "1000", 4) = 4 [pid 5257] close(3) = 0 executing program [pid 5257] write(1, "executing program\n", 18) = 18 [pid 5257] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5257] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5257] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5258 attached [pid 5258] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5258] set_robust_list(0x7f38182c19a0, 24 [pid 5257] <... clone3 resumed> => {parent_tid=[5258]}, 88) = 5258 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5257] <... futex resumed>) = 0 [pid 5258] <... madvise resumed>) = 0 [pid 5257] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5258] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5258] <... futex resumed>) = 0 [pid 5257] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] exit(0 [pid 5258] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5256] <... exit resumed>) = ? [pid 5258] <... mremap resumed>) = 0x20130000 [pid 5258] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5256] +++ exited with 0 +++ [pid 5258] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] <... futex resumed>) = 0 [pid 5258] mlock(0x20000000, 8388608 [pid 5257] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] <... mlock resumed>) = 0 [pid 5258] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5258] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] <... futex resumed>) = 0 [pid 5258] munmap(0x201a2000, 4096) = 0 [pid 5257] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5258] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] <... futex resumed>) = 0 [pid 5258] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5257] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] <... migrate_pages resumed>) = 0 [pid 5258] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5258] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] <... futex resumed>) = 0 [pid 5258] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5257] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5259 attached [pid 5258] <... clone3 resumed>) = 5259 [pid 5258] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5258] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] <... futex resumed>) = 0 [pid 5257] exit_group(0 [pid 5258] <... futex resumed>) = ? [pid 5257] <... exit_group resumed>) = ? [pid 5258] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5260 attached , child_tidptr=0x555594fba690) = 5260 [pid 5260] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5260] setpgid(0, 0) = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5260] write(3, "1000", 4) = 4 [pid 5260] close(3) = 0 executing program [pid 5260] write(1, "executing program\n", 18) = 18 [pid 5260] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5260] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5260] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5261 attached [pid 5261] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5260] <... clone3 resumed> => {parent_tid=[5261]}, 88) = 5261 [pid 5261] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5260] rt_sigprocmask(SIG_SETMASK, [], [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5260] <... futex resumed>) = 0 [pid 5261] <... madvise resumed>) = 0 [pid 5261] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 1 [pid 5261] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5260] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] <... mremap resumed>) = 0x20130000 [pid 5261] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5261] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] <... futex resumed>) = 0 [pid 5260] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5260] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] mlock(0x20000000, 8388608 [pid 5259] exit(0) = ? [pid 5259] +++ exited with 0 +++ [pid 5261] <... mlock resumed>) = 0 [pid 5261] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5261] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] <... futex resumed>) = 0 [pid 5261] munmap(0x201a2000, 4096) = 0 [pid 5260] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5261] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] <... futex resumed>) = 0 [pid 5261] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5260] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] <... migrate_pages resumed>) = 0 [pid 5261] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5261] <... futex resumed>) = 1 [pid 5260] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5260] <... futex resumed>) = 0 [pid 5260] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5262 attached [pid 5261] <... clone3 resumed>) = 5262 [pid 5261] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5261] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] exit_group(0 [pid 5261] <... futex resumed>) = ? [pid 5261] +++ exited with 0 +++ [pid 5260] <... exit_group resumed>) = ? [pid 5260] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5263 attached , child_tidptr=0x555594fba690) = 5263 [pid 5263] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5263] write(3, "1000", 4) = 4 [pid 5263] close(3) = 0 executing program [pid 5263] write(1, "executing program\n", 18) = 18 [pid 5263] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5263] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5263] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5264 attached [pid 5264] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5264] set_robust_list(0x7f38182c19a0, 24 [pid 5263] <... clone3 resumed> => {parent_tid=[5264]}, 88) = 5264 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] rt_sigprocmask(SIG_SETMASK, [], [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5263] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5263] <... futex resumed>) = 0 [pid 5264] <... madvise resumed>) = 0 [pid 5263] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5264] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5263] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] <... mremap resumed>) = 0x20130000 [pid 5263] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 1 [pid 5263] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] mlock(0x20000000, 8388608 [pid 5263] <... futex resumed>) = 0 [pid 5263] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... mlock resumed>) = 0 [pid 5264] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = 0 [pid 5263] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5264] munmap(0x201a2000, 4096 [pid 5263] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... munmap resumed>) = 0 [pid 5264] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5264] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5263] <... futex resumed>) = 0 [pid 5263] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] exit(0) = ? [pid 5264] <... migrate_pages resumed>) = 0 [pid 5264] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] +++ exited with 0 +++ [pid 5264] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] <... futex resumed>) = 0 [pid 5263] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5264] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5263] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5265 attached [pid 5264] <... clone3 resumed>) = 5265 [pid 5264] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5264] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] <... futex resumed>) = 0 [pid 5263] exit_group(0) = ? [pid 5264] <... futex resumed>) = ? [pid 5264] +++ exited with 0 +++ [pid 5263] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5266 attached , child_tidptr=0x555594fba690) = 5266 [pid 5266] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5266] setpgid(0, 0) = 0 [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5266] write(3, "1000", 4) = 4 [pid 5266] close(3) = 0 [pid 5266] write(1, "executing program\n", 18executing program ) = 18 [pid 5266] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5266] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5266] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5266] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5265] exit(0 [pid 5266] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5265] <... exit resumed>) = ? [pid 5266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5267 attached [pid 5267] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5265] +++ exited with 0 +++ [pid 5266] <... clone3 resumed> => {parent_tid=[5267]}, 88) = 5267 [pid 5267] <... rseq resumed>) = 0 [pid 5267] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5267] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5266] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5267] <... futex resumed>) = 0 [pid 5266] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5267] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5267] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] <... futex resumed>) = 0 [pid 5267] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5266] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... mremap resumed>) = 0x20130000 [pid 5267] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5267] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] mlock(0x20000000, 8388608 [pid 5266] <... futex resumed>) = 0 [pid 5266] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... mlock resumed>) = 0 [pid 5267] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5267] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] <... futex resumed>) = 0 [pid 5267] munmap(0x201a2000, 4096 [pid 5266] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... munmap resumed>) = 0 [pid 5267] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5267] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5266] <... futex resumed>) = 0 [pid 5266] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... migrate_pages resumed>) = 0 [pid 5267] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 1 [pid 5266] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5266] <... futex resumed>) = 0 [pid 5266] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5268 attached [pid 5267] <... clone3 resumed>) = 5268 [pid 5267] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5267] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] exit_group(0 [pid 5267] <... futex resumed>) = ? [pid 5266] <... exit_group resumed>) = ? [pid 5267] +++ exited with 0 +++ [pid 5266] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5269 attached , child_tidptr=0x555594fba690) = 5269 [pid 5269] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5269] setpgid(0, 0) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5269] write(3, "1000", 4) = 4 [pid 5269] close(3) = 0 [pid 5269] write(1, "executing program\n", 18) = 18 executing program [pid 5269] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5269] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5270 attached [pid 5270] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5269] <... clone3 resumed> => {parent_tid=[5270]}, 88) = 5270 [pid 5270] <... rseq resumed>) = 0 [pid 5270] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5270] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 1 [pid 5270] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5270] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] exit(0 [pid 5270] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5268] <... exit resumed>) = ? [pid 5270] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5269] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... mremap resumed>) = 0x20130000 [pid 5270] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] +++ exited with 0 +++ [pid 5270] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5270] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5270] mlock(0x20000000, 8388608 [pid 5269] <... futex resumed>) = 0 [pid 5269] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... mlock resumed>) = 0 [pid 5270] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5270] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] munmap(0x201a2000, 4096 [pid 5269] <... futex resumed>) = 0 [pid 5270] <... munmap resumed>) = 0 [pid 5269] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5270] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 1 [pid 5270] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5269] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... migrate_pages resumed>) = 0 [pid 5270] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5270] <... futex resumed>) = 1 [pid 5269] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5269] <... futex resumed>) = 0 [pid 5269] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5271 attached [pid 5270] <... clone3 resumed>) = 5271 [pid 5270] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5270] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] exit_group(0 [pid 5270] <... futex resumed>) = ? [pid 5270] +++ exited with 0 +++ [pid 5269] <... exit_group resumed>) = ? [pid 5269] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5272 attached , child_tidptr=0x555594fba690) = 5272 [pid 5272] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5272] setpgid(0, 0) = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5272] write(3, "1000", 4) = 4 [pid 5272] close(3) = 0 [pid 5272] write(1, "executing program\n", 18executing program ) = 18 [pid 5272] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5272] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5272] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5273 attached [pid 5273] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5272] <... clone3 resumed> => {parent_tid=[5273]}, 88) = 5273 [pid 5273] set_robust_list(0x7f38182c19a0, 24 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... futex resumed>) = 0 [pid 5273] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5272] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... madvise resumed>) = 0 [pid 5273] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5273] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5272] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5273] <... mremap resumed>) = 0x20130000 [pid 5272] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5272] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] mlock(0x20000000, 8388608 [pid 5272] <... futex resumed>) = 0 [pid 5272] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5271] exit(0) = ? [pid 5273] <... mlock resumed>) = 0 [pid 5271] +++ exited with 0 +++ [pid 5273] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5273] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] <... futex resumed>) = 0 [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] munmap(0x201a2000, 4096 [pid 5272] <... futex resumed>) = 0 [pid 5273] <... munmap resumed>) = 0 [pid 5272] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5272] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a]) = 0 [pid 5273] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5273] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5272] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5274 attached [pid 5273] <... clone3 resumed>) = 5274 [pid 5273] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5273] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] exit_group(0 [pid 5273] <... futex resumed>) = ? [pid 5272] <... exit_group resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached , child_tidptr=0x555594fba690) = 5275 [pid 5275] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5275] setpgid(0, 0) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5275] write(3, "1000", 4) = 4 [pid 5275] close(3) = 0 executing program [pid 5275] write(1, "executing program\n", 18) = 18 [pid 5275] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5275] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5275] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5276 attached [pid 5276] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5275] <... clone3 resumed> => {parent_tid=[5276]}, 88) = 5276 [pid 5276] set_robust_list(0x7f38182c19a0, 24 [pid 5275] rt_sigprocmask(SIG_SETMASK, [], [pid 5276] <... set_robust_list resumed>) = 0 [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] <... futex resumed>) = 0 [pid 5276] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5275] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] <... madvise resumed>) = 0 [pid 5276] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] exit(0) = ? [pid 5276] <... futex resumed>) = 1 [pid 5276] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 0 [pid 5275] <... futex resumed>) = 1 [pid 5276] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5275] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] <... mremap resumed>) = 0x20130000 [pid 5276] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] +++ exited with 0 +++ [pid 5276] <... futex resumed>) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] mlock(0x20000000, 8388608 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] <... mlock resumed>) = 0 [pid 5276] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5276] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] munmap(0x201a2000, 4096 [pid 5275] <... futex resumed>) = 0 [pid 5276] <... munmap resumed>) = 0 [pid 5275] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5276] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5275] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] <... migrate_pages resumed>) = 0 [pid 5276] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5276] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5277 attached [pid 5276] <... clone3 resumed>) = 5277 [pid 5276] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5276] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] exit_group(0 [pid 5276] <... futex resumed>) = ? [pid 5275] <... exit_group resumed>) = ? [pid 5276] +++ exited with 0 +++ [pid 5275] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached , child_tidptr=0x555594fba690) = 5278 [pid 5278] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5278] setpgid(0, 0) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5278] write(3, "1000", 4) = 4 [pid 5278] close(3) = 0 executing program [pid 5278] write(1, "executing program\n", 18) = 18 [pid 5278] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5278] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5278] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5279 attached [pid 5279] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5278] <... clone3 resumed> => {parent_tid=[5279]}, 88) = 5279 [pid 5279] <... rseq resumed>) = 0 [pid 5279] set_robust_list(0x7f38182c19a0, 24 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] <... set_robust_list resumed>) = 0 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5279] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5278] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5279] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5279] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5278] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... mremap resumed>) = 0x20130000 [pid 5279] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5279] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] mlock(0x20000000, 8388608 [pid 5278] <... futex resumed>) = 0 [pid 5277] exit(0 [pid 5278] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... exit resumed>) = ? [pid 5277] +++ exited with 0 +++ [pid 5279] <... mlock resumed>) = 0 [pid 5279] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5279] munmap(0x201a2000, 4096 [pid 5278] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5278] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... munmap resumed>) = 0 [pid 5279] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5279] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5279] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5278] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... migrate_pages resumed>) = 0 [pid 5279] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5279] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5279] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5278] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5280 attached [pid 5279] <... clone3 resumed>) = 5280 [pid 5279] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5279] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] <... futex resumed>) = 0 [pid 5278] exit_group(0 [pid 5279] <... futex resumed>) = ? [pid 5278] <... exit_group resumed>) = ? [pid 5279] +++ exited with 0 +++ [pid 5278] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5281 attached , child_tidptr=0x555594fba690) = 5281 [pid 5281] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5281] setpgid(0, 0) = 0 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5281] write(3, "1000", 4) = 4 [pid 5281] close(3) = 0 [pid 5281] write(1, "executing program\n", 18executing program ) = 18 [pid 5281] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5281] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0} [pid 5280] exit(0./strace-static-x86_64: Process 5282 attached ) = ? [pid 5282] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5281] <... clone3 resumed> => {parent_tid=[5282]}, 88) = 5282 [pid 5282] <... rseq resumed>) = 0 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] set_robust_list(0x7f38182c19a0, 24 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5281] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5281] <... futex resumed>) = 0 [pid 5282] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5281] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... madvise resumed>) = 0 [pid 5280] +++ exited with 0 +++ [pid 5282] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5282] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = 0 [pid 5282] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5281] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... mremap resumed>) = 0x20130000 [pid 5282] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5282] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] mlock(0x20000000, 8388608 [pid 5281] <... futex resumed>) = 0 [pid 5281] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... mlock resumed>) = 0 [pid 5282] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = 1 [pid 5281] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] munmap(0x201a2000, 4096 [pid 5281] <... futex resumed>) = 0 [pid 5281] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... munmap resumed>) = 0 [pid 5282] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5282] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5281] <... futex resumed>) = 0 [pid 5281] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... migrate_pages resumed>) = 0 [pid 5282] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5282] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = 0 [pid 5282] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5281] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5283 attached [pid 5282] <... clone3 resumed>) = 5283 [pid 5282] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5281] exit_group(0) = ? [pid 5282] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5284 attached , child_tidptr=0x555594fba690) = 5284 [pid 5284] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5284] setpgid(0, 0) = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5284] write(3, "1000", 4) = 4 [pid 5284] close(3) = 0 executing program [pid 5284] write(1, "executing program\n", 18) = 18 [pid 5284] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5284] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5284] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5285 attached [pid 5285] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5284] <... clone3 resumed> => {parent_tid=[5285]}, 88) = 5285 [pid 5285] set_robust_list(0x7f38182c19a0, 24 [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] <... set_robust_list resumed>) = 0 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5285] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5284] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] <... madvise resumed>) = 0 [pid 5285] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5284] <... futex resumed>) = 1 [pid 5285] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5284] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5283] exit(0) = ? [pid 5285] <... mremap resumed>) = 0x20130000 [pid 5285] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5285] mlock(0x20000000, 8388608 [pid 5284] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5283] +++ exited with 0 +++ [pid 5285] <... mlock resumed>) = 0 [pid 5285] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5285] munmap(0x201a2000, 4096 [pid 5284] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... munmap resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5284] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = 0 [pid 5284] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5284] <... futex resumed>) = 0 [pid 5284] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] <... migrate_pages resumed>) = 0 [pid 5285] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5285] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5284] <... futex resumed>) = 0 [pid 5284] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5286 attached [pid 5285] <... clone3 resumed>) = 5286 [pid 5285] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5285] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] exit_group(0) = ? [pid 5285] <... futex resumed>) = ? [pid 5285] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5287 attached , child_tidptr=0x555594fba690) = 5287 [pid 5287] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5287] setpgid(0, 0) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5287] write(3, "1000", 4) = 4 [pid 5287] close(3) = 0 [pid 5287] write(1, "executing program\n", 18executing program ) = 18 [pid 5287] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5287] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5288 attached [pid 5288] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5288] set_robust_list(0x7f38182c19a0, 24 [pid 5287] <... clone3 resumed> => {parent_tid=[5288]}, 88) = 5288 [pid 5288] <... set_robust_list resumed>) = 0 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5287] <... futex resumed>) = 0 [pid 5288] <... madvise resumed>) = 0 [pid 5287] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 1 [pid 5288] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] <... futex resumed>) = 0 [pid 5288] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5287] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] <... mremap resumed>) = 0x20130000 [pid 5288] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5288] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... futex resumed>) = 0 [pid 5288] mlock(0x20000000, 8388608 [pid 5287] <... futex resumed>) = 1 [pid 5287] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] exit(0) = ? [pid 5288] <... mlock resumed>) = 0 [pid 5288] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5288] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] <... futex resumed>) = 0 [pid 5287] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] +++ exited with 0 +++ [pid 5288] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 1 [pid 5288] munmap(0x201a2000, 4096) = 0 [pid 5287] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] <... futex resumed>) = 0 [pid 5287] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5287] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] <... migrate_pages resumed>) = 0 [pid 5288] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5288] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5287] <... futex resumed>) = 0 [pid 5287] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5289 attached [pid 5288] <... clone3 resumed>) = 5289 [pid 5288] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5288] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] exit_group(0 [pid 5288] <... futex resumed>) = ? [pid 5287] <... exit_group resumed>) = ? [pid 5288] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5290 attached , child_tidptr=0x555594fba690) = 5290 [pid 5290] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5290] setpgid(0, 0) = 0 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5290] write(3, "1000", 4) = 4 [pid 5290] close(3) = 0 [pid 5290] write(1, "executing program\n", 18executing program ) = 18 [pid 5290] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5290] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5291 attached [pid 5291] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5291] set_robust_list(0x7f38182c19a0, 24 [pid 5290] <... clone3 resumed> => {parent_tid=[5291]}, 88) = 5291 [pid 5289] exit(0 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] <... exit resumed>) = ? [pid 5291] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] +++ exited with 0 +++ [pid 5291] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 1 [pid 5291] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5290] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... madvise resumed>) = 0 [pid 5291] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5291] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] <... futex resumed>) = 0 [pid 5291] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5290] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... mremap resumed>) = 0x20130000 [pid 5291] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5291] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] mlock(0x20000000, 8388608 [pid 5290] <... futex resumed>) = 0 [pid 5290] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... mlock resumed>) = 0 [pid 5291] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5291] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] munmap(0x201a2000, 4096 [pid 5290] <... futex resumed>) = 0 [pid 5290] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... munmap resumed>) = 0 [pid 5291] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5291] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5290] <... futex resumed>) = 0 [pid 5290] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... migrate_pages resumed>) = 0 [pid 5291] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5291] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] <... futex resumed>) = 0 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5290] <... futex resumed>) = 0 [pid 5290] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5292 attached [pid 5291] <... clone3 resumed>) = 5292 [pid 5291] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5291] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] exit_group(0) = ? [pid 5291] <... futex resumed>) = ? [pid 5291] +++ exited with 0 +++ [pid 5290] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594fba690) = 5293 ./strace-static-x86_64: Process 5293 attached [pid 5293] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5293] setpgid(0, 0) = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5293] write(3, "1000", 4) = 4 [pid 5293] close(3) = 0 [pid 5293] write(1, "executing program\n", 18executing program ) = 18 [pid 5293] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5293] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5292] exit(0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0} [pid 5292] <... exit resumed>) = ? ./strace-static-x86_64: Process 5294 attached [pid 5294] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5292] +++ exited with 0 +++ [pid 5293] <... clone3 resumed> => {parent_tid=[5294]}, 88) = 5294 [pid 5294] <... rseq resumed>) = 0 [pid 5294] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5294] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5293] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5294] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5293] <... futex resumed>) = 1 [pid 5294] <... madvise resumed>) = 0 [pid 5293] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5293] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... mremap resumed>) = 0x20130000 [pid 5293] <... futex resumed>) = 0 [pid 5294] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5294] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5294] mlock(0x20000000, 8388608 [pid 5293] <... futex resumed>) = 1 [pid 5293] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... mlock resumed>) = 0 [pid 5294] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 1 [pid 5293] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] munmap(0x201a2000, 4096 [pid 5293] <... futex resumed>) = 0 [pid 5294] <... munmap resumed>) = 0 [pid 5293] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5293] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... migrate_pages resumed>) = 0 [pid 5294] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 1 [pid 5293] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5293] <... futex resumed>) = 0 [pid 5293] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5295 attached [pid 5294] <... clone3 resumed>) = 5295 [pid 5294] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] exit_group(0) = ? [pid 5294] <... futex resumed>) = ? [pid 5294] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5296 attached , child_tidptr=0x555594fba690) = 5296 [pid 5296] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5296] setpgid(0, 0) = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5296] write(3, "1000", 4) = 4 [pid 5296] close(3) = 0 [pid 5296] write(1, "executing program\n", 18executing program ) = 18 [pid 5296] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5295] exit(0 [pid 5296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5295] <... exit resumed>) = ? [pid 5296] <... mmap resumed>) = 0x7f38182a1000 [pid 5295] +++ exited with 0 +++ [pid 5296] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5297 attached [pid 5297] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5296] <... clone3 resumed> => {parent_tid=[5297]}, 88) = 5297 [pid 5297] set_robust_list(0x7f38182c19a0, 24 [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... set_robust_list resumed>) = 0 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5296] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5296] <... futex resumed>) = 0 [pid 5297] <... madvise resumed>) = 0 [pid 5296] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5297] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5296] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... mremap resumed>) = 0x20130000 [pid 5296] <... futex resumed>) = 0 [pid 5297] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 0 [pid 5297] mlock(0x20000000, 8388608 [pid 5296] <... futex resumed>) = 1 [pid 5296] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... mlock resumed>) = 0 [pid 5297] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5297] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] <... futex resumed>) = 0 [pid 5297] munmap(0x201a2000, 4096 [pid 5296] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... munmap resumed>) = 0 [pid 5297] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5297] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5296] <... futex resumed>) = 0 [pid 5296] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... migrate_pages resumed>) = 0 [pid 5297] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5297] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5296] <... futex resumed>) = 0 [pid 5296] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5298 attached [pid 5297] <... clone3 resumed>) = 5298 [pid 5297] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5296] exit_group(0 [pid 5297] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5296] <... exit_group resumed>) = ? [pid 5297] +++ exited with 0 +++ [pid 5296] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5299 attached , child_tidptr=0x555594fba690) = 5299 [pid 5299] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5299] setpgid(0, 0) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5299] write(3, "1000", 4) = 4 [pid 5299] close(3) = 0 [pid 5299] write(1, "executing program\n", 18executing program ) = 18 [pid 5299] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5299] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0} [pid 5298] exit(0./strace-static-x86_64: Process 5300 attached ) = ? [pid 5299] <... clone3 resumed> => {parent_tid=[5300]}, 88) = 5300 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5299] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5300] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5300] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5300] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5299] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5299] <... futex resumed>) = 0 [pid 5300] <... mremap resumed>) = 0x20130000 [pid 5299] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] +++ exited with 0 +++ [pid 5300] <... futex resumed>) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5300] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] <... futex resumed>) = 0 [pid 5300] mlock(0x20000000, 8388608 [pid 5299] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... mlock resumed>) = 0 [pid 5300] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5300] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] <... futex resumed>) = 0 [pid 5300] munmap(0x201a2000, 4096 [pid 5299] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... munmap resumed>) = 0 [pid 5300] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5300] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5299] <... futex resumed>) = 0 [pid 5299] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... migrate_pages resumed>) = 0 [pid 5300] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5300] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] <... futex resumed>) = 0 [pid 5300] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5299] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5301 attached [pid 5300] <... clone3 resumed>) = 5301 [pid 5300] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5300] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] exit_group(0 [pid 5300] <... futex resumed>) = ? [pid 5299] <... exit_group resumed>) = ? [pid 5300] +++ exited with 0 +++ [pid 5299] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5302 attached , child_tidptr=0x555594fba690) = 5302 [pid 5302] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5302] setpgid(0, 0) = 0 [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5302] write(3, "1000", 4) = 4 [pid 5302] close(3) = 0 [pid 5302] write(1, "executing program\n", 18executing program ) = 18 [pid 5302] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5302] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5302] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5301] exit(0 [pid 5302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5301] <... exit resumed>) = ? [pid 5302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5303 attached [pid 5303] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5302] <... clone3 resumed> => {parent_tid=[5303]}, 88) = 5303 [pid 5303] <... rseq resumed>) = 0 [pid 5303] set_robust_list(0x7f38182c19a0, 24 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5302] <... futex resumed>) = 0 [pid 5303] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5302] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... madvise resumed>) = 0 [pid 5303] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] <... futex resumed>) = 0 [pid 5302] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5302] <... futex resumed>) = 0 [pid 5303] <... mremap resumed>) = 0x20130000 [pid 5302] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 0 [pid 5302] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5302] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] mlock(0x20000000, 8388608 [pid 5301] +++ exited with 0 +++ [pid 5303] <... mlock resumed>) = 0 [pid 5303] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5302] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5302] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] munmap(0x201a2000, 4096) = 0 [pid 5303] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5303] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... futex resumed>) = 0 [pid 5302] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = 1 [pid 5303] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5302] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... migrate_pages resumed>) = 0 [pid 5303] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] <... futex resumed>) = 0 [pid 5303] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5303] <... futex resumed>) = 0 [pid 5303] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5302] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5304 attached [pid 5303] <... clone3 resumed>) = 5304 [pid 5303] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] <... futex resumed>) = 0 [pid 5303] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] exit_group(0 [pid 5303] <... futex resumed>) = ? [pid 5302] <... exit_group resumed>) = ? [pid 5303] +++ exited with 0 +++ [pid 5302] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5305 attached , child_tidptr=0x555594fba690) = 5305 [pid 5305] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5305] setpgid(0, 0) = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5305] write(3, "1000", 4) = 4 [pid 5305] close(3) = 0 [pid 5305] write(1, "executing program\n", 18executing program ) = 18 [pid 5305] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5305] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5304] exit(0) = ? [pid 5305] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5304] +++ exited with 0 +++ [pid 5305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5306 attached => {parent_tid=[5306]}, 88) = 5306 [pid 5306] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], [pid 5306] <... rseq resumed>) = 0 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5306] set_robust_list(0x7f38182c19a0, 24 [pid 5305] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... set_robust_list resumed>) = 0 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] <... futex resumed>) = 0 [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5306] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5306] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... futex resumed>) = 0 [pid 5305] <... futex resumed>) = 1 [pid 5306] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5305] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] <... mremap resumed>) = 0x20130000 [pid 5306] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5306] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... futex resumed>) = 0 [pid 5306] mlock(0x20000000, 8388608 [pid 5305] <... futex resumed>) = 1 [pid 5305] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] <... mlock resumed>) = 0 [pid 5306] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5306] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] munmap(0x201a2000, 4096 [pid 5305] <... futex resumed>) = 0 [pid 5306] <... munmap resumed>) = 0 [pid 5305] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5306] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... futex resumed>) = 0 [pid 5305] <... futex resumed>) = 1 [pid 5306] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5305] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] <... migrate_pages resumed>) = 0 [pid 5306] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5306] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5307 attached [pid 5306] <... clone3 resumed>) = 5307 [pid 5306] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5306] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... futex resumed>) = 0 [pid 5305] exit_group(0 [pid 5306] <... futex resumed>) = ? [pid 5305] <... exit_group resumed>) = ? [pid 5306] +++ exited with 0 +++ [pid 5305] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5308 attached , child_tidptr=0x555594fba690) = 5308 [pid 5308] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5308] setpgid(0, 0) = 0 [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5308] write(3, "1000", 4) = 4 [pid 5308] close(3) = 0 [pid 5308] write(1, "executing program\n", 18executing program ) = 18 [pid 5308] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5308] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5307] exit(0) = ? [pid 5308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5309 attached [pid 5309] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5308] <... clone3 resumed> => {parent_tid=[5309]}, 88) = 5309 [pid 5309] <... rseq resumed>) = 0 [pid 5308] rt_sigprocmask(SIG_SETMASK, [], [pid 5309] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5308] <... futex resumed>) = 0 [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5309] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5308] <... futex resumed>) = 0 [pid 5307] +++ exited with 0 +++ [pid 5309] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 0 [pid 5309] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5308] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... mremap resumed>) = 0x20130000 [pid 5309] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5308] <... futex resumed>) = 0 [pid 5309] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] mlock(0x20000000, 8388608 [pid 5308] <... futex resumed>) = 0 [pid 5308] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... mlock resumed>) = 0 [pid 5309] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5308] <... futex resumed>) = 0 [pid 5309] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] munmap(0x201a2000, 4096 [pid 5308] <... futex resumed>) = 0 [pid 5309] <... munmap resumed>) = 0 [pid 5308] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = 0 [pid 5308] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... futex resumed>) = 1 [pid 5308] <... futex resumed>) = 0 [pid 5309] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5308] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... migrate_pages resumed>) = 0 [pid 5309] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5308] <... futex resumed>) = 0 [pid 5309] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... futex resumed>) = 0 [pid 5308] <... futex resumed>) = 1 [pid 5309] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5308] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5310 attached [pid 5309] <... clone3 resumed>) = 5310 [pid 5309] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = 0 [pid 5309] <... futex resumed>) = 1 [pid 5308] exit_group(0) = ? [pid 5309] +++ exited with 0 +++ [pid 5308] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5311 attached , child_tidptr=0x555594fba690) = 5311 [pid 5311] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5311] setpgid(0, 0) = 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5311] write(3, "1000", 4) = 4 [pid 5311] close(3) = 0 executing program [pid 5311] write(1, "executing program\n", 18) = 18 [pid 5311] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5311] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5311] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5310] exit(0 [pid 5311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5310] <... exit resumed>) = ? [pid 5311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5312 attached [pid 5312] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5311] <... clone3 resumed> => {parent_tid=[5312]}, 88) = 5312 [pid 5312] <... rseq resumed>) = 0 [pid 5312] set_robust_list(0x7f38182c19a0, 24 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] <... set_robust_list resumed>) = 0 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5311] <... futex resumed>) = 0 [pid 5312] <... madvise resumed>) = 0 [pid 5311] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5312] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5311] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... mremap resumed>) = 0x20130000 [pid 5311] <... futex resumed>) = 0 [pid 5311] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 0 [pid 5310] +++ exited with 0 +++ [pid 5312] <... futex resumed>) = 1 [pid 5311] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] mlock(0x20000000, 8388608 [pid 5311] <... futex resumed>) = 0 [pid 5311] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... mlock resumed>) = 0 [pid 5312] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5312] munmap(0x201a2000, 4096 [pid 5311] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... munmap resumed>) = 0 [pid 5311] <... futex resumed>) = 0 [pid 5312] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... futex resumed>) = 0 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5311] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5311] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... migrate_pages resumed>) = 0 [pid 5312] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 1 [pid 5311] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5311] <... futex resumed>) = 0 [pid 5311] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5313 attached [pid 5312] <... clone3 resumed>) = 5313 [pid 5312] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5312] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] exit_group(0 [pid 5312] <... futex resumed>) = ? [pid 5311] <... exit_group resumed>) = ? [pid 5312] +++ exited with 0 +++ [pid 5311] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5314 attached , child_tidptr=0x555594fba690) = 5314 [pid 5314] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5314] setpgid(0, 0) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5314] write(3, "1000", 4) = 4 [pid 5314] close(3) = 0 executing program [pid 5314] write(1, "executing program\n", 18) = 18 [pid 5314] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5314] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5315 attached [pid 5315] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5314] <... clone3 resumed> => {parent_tid=[5315]}, 88) = 5315 [pid 5315] set_robust_list(0x7f38182c19a0, 24 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] <... set_robust_list resumed>) = 0 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5314] <... futex resumed>) = 0 [pid 5315] <... madvise resumed>) = 0 [pid 5314] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5315] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5314] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... mremap resumed>) = 0x20130000 [pid 5314] <... futex resumed>) = 0 [pid 5315] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5315] mlock(0x20000000, 8388608 [pid 5314] <... futex resumed>) = 1 [pid 5314] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] exit(0) = ? [pid 5313] +++ exited with 0 +++ [pid 5315] <... mlock resumed>) = 0 [pid 5315] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5315] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] <... futex resumed>) = 0 [pid 5315] munmap(0x201a2000, 4096 [pid 5314] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... munmap resumed>) = 0 [pid 5315] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5315] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5314] <... futex resumed>) = 0 [pid 5314] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... migrate_pages resumed>) = 0 [pid 5315] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5315] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] <... futex resumed>) = 0 [pid 5315] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5314] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5316 attached [pid 5315] <... clone3 resumed>) = 5316 [pid 5315] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5315] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] exit_group(0 [pid 5315] <... futex resumed>) = ? [pid 5314] <... exit_group resumed>) = ? [pid 5315] +++ exited with 0 +++ [pid 5314] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5317 attached , child_tidptr=0x555594fba690) = 5317 [pid 5317] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5317] setpgid(0, 0) = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5317] write(3, "1000", 4) = 4 [pid 5317] close(3) = 0 [pid 5317] write(1, "executing program\n", 18executing program ) = 18 [pid 5317] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5317] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5318 attached [pid 5318] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5318] set_robust_list(0x7f38182c19a0, 24 [pid 5317] <... clone3 resumed> => {parent_tid=[5318]}, 88) = 5318 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5317] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5318] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] exit(0 [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... exit resumed>) = ? [pid 5318] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5317] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5316] +++ exited with 0 +++ [pid 5318] <... mremap resumed>) = 0x20130000 [pid 5318] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5318] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5318] mlock(0x20000000, 8388608 [pid 5317] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... mlock resumed>) = 0 [pid 5318] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5318] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 0 [pid 5317] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5318] <... futex resumed>) = 0 [pid 5317] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] munmap(0x201a2000, 4096) = 0 [pid 5318] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5318] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5318] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5317] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... migrate_pages resumed>) = 0 [pid 5318] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5318] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 0 [pid 5317] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = 0 [pid 5317] <... futex resumed>) = 1 [pid 5318] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5317] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5319 attached [pid 5318] <... clone3 resumed>) = 5319 [pid 5318] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5318] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] exit_group(0 [pid 5318] <... futex resumed>) = ? [pid 5317] <... exit_group resumed>) = ? [pid 5318] +++ exited with 0 +++ [pid 5317] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5320 attached , child_tidptr=0x555594fba690) = 5320 [pid 5320] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5320] setpgid(0, 0) = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5320] write(3, "1000", 4) = 4 [pid 5320] close(3) = 0 [pid 5320] write(1, "executing program\n", 18executing program ) = 18 [pid 5320] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5320] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5321 attached [pid 5321] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5320] <... clone3 resumed> => {parent_tid=[5321]}, 88) = 5321 [pid 5321] <... rseq resumed>) = 0 [pid 5321] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5321] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5320] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 1 [pid 5321] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5319] exit(0 [pid 5320] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] <... madvise resumed>) = 0 [pid 5319] <... exit resumed>) = ? [pid 5321] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 0 [pid 5321] <... futex resumed>) = 1 [pid 5320] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5320] <... futex resumed>) = 0 [pid 5321] <... mremap resumed>) = 0x20130000 [pid 5320] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] +++ exited with 0 +++ [pid 5321] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5321] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] <... futex resumed>) = 0 [pid 5321] mlock(0x20000000, 8388608 [pid 5320] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] <... mlock resumed>) = 0 [pid 5321] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5321] munmap(0x201a2000, 4096 [pid 5320] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... munmap resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5321] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5320] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5320] <... futex resumed>) = 0 [pid 5320] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] <... migrate_pages resumed>) = 0 [pid 5321] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 0 [pid 5321] <... futex resumed>) = 1 [pid 5320] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5320] <... futex resumed>) = 0 [pid 5320] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5322 attached [pid 5321] <... clone3 resumed>) = 5322 [pid 5321] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5320] <... futex resumed>) = 0 [pid 5321] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] exit_group(0 [pid 5321] <... futex resumed>) = ? [pid 5320] <... exit_group resumed>) = ? [pid 5321] +++ exited with 0 +++ [pid 5320] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5323 attached , child_tidptr=0x555594fba690) = 5323 [pid 5323] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5323] setpgid(0, 0) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5323] write(3, "1000", 4) = 4 [pid 5323] close(3) = 0 [pid 5323] write(1, "executing program\n", 18executing program ) = 18 [pid 5323] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5323] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5322] exit(0) = ? [pid 5323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5324 attached [pid 5322] +++ exited with 0 +++ [pid 5324] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5323] <... clone3 resumed> => {parent_tid=[5324]}, 88) = 5324 [pid 5324] set_robust_list(0x7f38182c19a0, 24 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], [pid 5324] <... set_robust_list resumed>) = 0 [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], [pid 5323] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5323] <... futex resumed>) = 0 [pid 5324] <... madvise resumed>) = 0 [pid 5323] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5324] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5324] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5323] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... mremap resumed>) = 0x20130000 [pid 5324] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5324] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5324] mlock(0x20000000, 8388608 [pid 5323] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... mlock resumed>) = 0 [pid 5324] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5324] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5324] munmap(0x201a2000, 4096 [pid 5323] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... munmap resumed>) = 0 [pid 5324] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5324] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5323] <... futex resumed>) = 0 [pid 5323] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... migrate_pages resumed>) = 0 [pid 5324] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = 1 [pid 5323] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5323] <... futex resumed>) = 0 [pid 5323] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5325 attached [pid 5324] <... clone3 resumed>) = 5325 [pid 5324] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = 1 [pid 5323] exit_group(0 [pid 5324] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5323] <... exit_group resumed>) = ? [pid 5324] +++ exited with 0 +++ [pid 5323] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5326 attached , child_tidptr=0x555594fba690) = 5326 [pid 5326] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5326] setpgid(0, 0) = 0 [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5326] write(3, "1000", 4) = 4 [pid 5326] close(3) = 0 [pid 5326] write(1, "executing program\n", 18executing program ) = 18 [pid 5326] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5326] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5326] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5327 attached [pid 5327] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5327] set_robust_list(0x7f38182c19a0, 24 [pid 5326] <... clone3 resumed> => {parent_tid=[5327]}, 88) = 5327 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5326] <... futex resumed>) = 0 [pid 5325] exit(0 [pid 5327] <... madvise resumed>) = 0 [pid 5326] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] <... exit resumed>) = ? [pid 5327] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] +++ exited with 0 +++ [pid 5327] <... futex resumed>) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5327] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] <... futex resumed>) = 0 [pid 5327] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5326] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] <... mremap resumed>) = 0x20130000 [pid 5327] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5327] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] mlock(0x20000000, 8388608 [pid 5326] <... futex resumed>) = 0 [pid 5326] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] <... mlock resumed>) = 0 [pid 5327] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5327] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5327] munmap(0x201a2000, 4096 [pid 5326] <... futex resumed>) = 0 [pid 5326] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] <... munmap resumed>) = 0 [pid 5327] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5327] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] <... futex resumed>) = 0 [pid 5326] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5326] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a]) = 0 [pid 5327] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5327] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5326] <... futex resumed>) = 0 [pid 5326] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5328 attached [pid 5327] <... clone3 resumed>) = 5328 [pid 5327] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5327] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] exit_group(0 [pid 5327] <... futex resumed>) = ? [pid 5326] <... exit_group resumed>) = ? [pid 5327] +++ exited with 0 +++ [pid 5326] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5329 attached , child_tidptr=0x555594fba690) = 5329 [pid 5329] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5329] setpgid(0, 0) = 0 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5329] write(3, "1000", 4) = 4 [pid 5329] close(3) = 0 [pid 5329] write(1, "executing program\n", 18executing program ) = 18 [pid 5329] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5329] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5330 attached [pid 5330] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5329] <... clone3 resumed> => {parent_tid=[5330]}, 88) = 5330 [pid 5330] set_robust_list(0x7f38182c19a0, 24 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] <... set_robust_list resumed>) = 0 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] <... futex resumed>) = 0 [pid 5330] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5329] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... madvise resumed>) = 0 [pid 5330] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5330] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5329] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5329] <... futex resumed>) = 0 [pid 5330] <... mremap resumed>) = 0x20130000 [pid 5328] exit(0 [pid 5329] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... exit resumed>) = ? [pid 5330] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... futex resumed>) = 0 [pid 5329] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] mlock(0x20000000, 8388608 [pid 5329] <... futex resumed>) = 0 [pid 5329] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... mlock resumed>) = 0 [pid 5328] +++ exited with 0 +++ [pid 5330] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5330] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... futex resumed>) = 0 [pid 5330] munmap(0x201a2000, 4096) = 0 [pid 5330] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5329] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5329] <... futex resumed>) = 0 [pid 5329] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... migrate_pages resumed>) = 0 [pid 5330] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5330] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5330] <... futex resumed>) = 0 [pid 5330] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5329] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5331 attached [pid 5330] <... clone3 resumed>) = 5331 [pid 5330] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5330] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] exit_group(0) = ? [pid 5330] <... futex resumed>) = ? [pid 5330] +++ exited with 0 +++ [pid 5329] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5332 attached , child_tidptr=0x555594fba690) = 5332 [pid 5332] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5332] setpgid(0, 0) = 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5332] write(3, "1000", 4) = 4 [pid 5332] close(3) = 0 [pid 5332] write(1, "executing program\n", 18executing program ) = 18 [pid 5332] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5332] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0} [pid 5331] exit(0./strace-static-x86_64: Process 5333 attached ) = ? [pid 5333] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5333] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5333] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] <... clone3 resumed> => {parent_tid=[5333]}, 88) = 5333 [pid 5331] +++ exited with 0 +++ [pid 5332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5332] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5333] <... futex resumed>) = 0 [pid 5332] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5333] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5333] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... futex resumed>) = 0 [pid 5333] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5332] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... mremap resumed>) = 0x20130000 [pid 5333] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5333] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 1 [pid 5332] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] mlock(0x20000000, 8388608) = 0 [pid 5333] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5333] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] munmap(0x201a2000, 4096 [pid 5332] <... futex resumed>) = 0 [pid 5333] <... munmap resumed>) = 0 [pid 5332] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 0 [pid 5333] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5332] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... migrate_pages resumed>) = 0 [pid 5333] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5333] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5332] <... futex resumed>) = 0 [pid 5332] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5334 attached [pid 5333] <... clone3 resumed>) = 5334 [pid 5333] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5333] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] <... futex resumed>) = 0 [pid 5332] exit_group(0 [pid 5333] <... futex resumed>) = ? [pid 5332] <... exit_group resumed>) = ? [pid 5333] +++ exited with 0 +++ [pid 5332] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5335 attached , child_tidptr=0x555594fba690) = 5335 [pid 5335] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5335] setpgid(0, 0) = 0 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5335] write(3, "1000", 4) = 4 [pid 5335] close(3) = 0 executing program [pid 5335] write(1, "executing program\n", 18) = 18 [pid 5335] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5335] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5336 attached [pid 5336] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5336] set_robust_list(0x7f38182c19a0, 24 [pid 5335] <... clone3 resumed> => {parent_tid=[5336]}, 88) = 5336 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5335] rt_sigprocmask(SIG_SETMASK, [], [pid 5336] rt_sigprocmask(SIG_SETMASK, [], [pid 5335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5335] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5335] <... futex resumed>) = 0 [pid 5336] <... madvise resumed>) = 0 [pid 5335] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5336] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 [pid 5336] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5335] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... mremap resumed>) = 0x20130000 [pid 5336] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 1 [pid 5335] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] mlock(0x20000000, 8388608 [pid 5335] <... futex resumed>) = 0 [pid 5335] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] exit(0 [pid 5336] <... mlock resumed>) = 0 [pid 5334] <... exit resumed>) = ? [pid 5336] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5336] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] munmap(0x201a2000, 4096 [pid 5335] <... futex resumed>) = 0 [pid 5336] <... munmap resumed>) = 0 [pid 5336] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] +++ exited with 0 +++ [pid 5336] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 [pid 5336] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5335] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... migrate_pages resumed>) = 0 [pid 5336] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5336] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 [pid 5336] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5335] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5337 attached [pid 5336] <... clone3 resumed>) = 5337 [pid 5336] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5336] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] exit_group(0 [pid 5336] <... futex resumed>) = ? [pid 5335] <... exit_group resumed>) = ? [pid 5336] +++ exited with 0 +++ [pid 5335] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5338 attached , child_tidptr=0x555594fba690) = 5338 [pid 5338] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5338] setpgid(0, 0) = 0 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5338] write(3, "1000", 4) = 4 [pid 5338] close(3) = 0 executing program [pid 5338] write(1, "executing program\n", 18) = 18 [pid 5338] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5338] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5338] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5339 attached [pid 5339] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5338] <... clone3 resumed> => {parent_tid=[5339]}, 88) = 5339 [pid 5339] set_robust_list(0x7f38182c19a0, 24 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] exit(0 [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... exit resumed>) = ? [pid 5339] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5338] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] <... madvise resumed>) = 0 [pid 5339] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5339] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 1 [pid 5339] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5338] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] <... mremap resumed>) = 0x20130000 [pid 5339] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] +++ exited with 0 +++ [pid 5339] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5339] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5339] mlock(0x20000000, 8388608 [pid 5338] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] <... mlock resumed>) = 0 [pid 5339] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5339] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] munmap(0x201a2000, 4096 [pid 5338] <... futex resumed>) = 0 [pid 5338] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] <... munmap resumed>) = 0 [pid 5339] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5339] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] <... futex resumed>) = 0 [pid 5338] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 1 [pid 5339] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5338] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] <... migrate_pages resumed>) = 0 [pid 5339] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5339] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5339] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5338] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5340 attached [pid 5339] <... clone3 resumed>) = 5340 [pid 5339] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5339] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] <... futex resumed>) = 0 [pid 5338] exit_group(0 [pid 5339] <... futex resumed>) = ? [pid 5338] <... exit_group resumed>) = ? [pid 5339] +++ exited with 0 +++ [pid 5338] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5341 attached , child_tidptr=0x555594fba690) = 5341 [pid 5341] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5341] setpgid(0, 0) = 0 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5341] write(3, "1000", 4) = 4 [pid 5341] close(3) = 0 executing program [pid 5341] write(1, "executing program\n", 18) = 18 [pid 5341] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5341] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5341] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5340] exit(0 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0} [pid 5340] <... exit resumed>) = ? ./strace-static-x86_64: Process 5342 attached [pid 5341] <... clone3 resumed> => {parent_tid=[5342]}, 88) = 5342 [pid 5342] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] +++ exited with 0 +++ [pid 5342] <... rseq resumed>) = 0 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] set_robust_list(0x7f38182c19a0, 24 [pid 5341] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5342] rt_sigprocmask(SIG_SETMASK, [], [pid 5341] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5342] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5342] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5342] <... futex resumed>) = 0 [pid 5342] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5341] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... mremap resumed>) = 0x20130000 [pid 5342] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5342] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... futex resumed>) = 0 [pid 5342] mlock(0x20000000, 8388608 [pid 5341] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... mlock resumed>) = 0 [pid 5342] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5342] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] munmap(0x201a2000, 4096 [pid 5341] <... futex resumed>) = 0 [pid 5341] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... munmap resumed>) = 0 [pid 5342] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5342] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5341] <... futex resumed>) = 0 [pid 5341] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... migrate_pages resumed>) = 0 [pid 5342] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5342] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5341] <... futex resumed>) = 0 [pid 5341] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5343 attached [pid 5342] <... clone3 resumed>) = 5343 [pid 5342] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5342] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] exit_group(0 [pid 5342] <... futex resumed>) = ? [pid 5341] <... exit_group resumed>) = ? [pid 5342] +++ exited with 0 +++ [pid 5341] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5344 attached , child_tidptr=0x555594fba690) = 5344 [pid 5344] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5344] setpgid(0, 0) = 0 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5344] write(3, "1000", 4) = 4 [pid 5344] close(3) = 0 [pid 5344] write(1, "executing program\n", 18) = 18 executing program [pid 5344] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5344] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5345 attached [pid 5345] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5344] <... clone3 resumed> => {parent_tid=[5345]}, 88) = 5345 [pid 5345] <... rseq resumed>) = 0 [pid 5343] exit(0 [pid 5345] set_robust_list(0x7f38182c19a0, 24 [pid 5343] <... exit resumed>) = ? [pid 5345] <... set_robust_list resumed>) = 0 [pid 5344] rt_sigprocmask(SIG_SETMASK, [], [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5343] +++ exited with 0 +++ [pid 5345] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5345] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5345] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] <... futex resumed>) = 0 [pid 5345] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5344] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... mremap resumed>) = 0x20130000 [pid 5345] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 1 [pid 5344] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] mlock(0x20000000, 8388608 [pid 5344] <... futex resumed>) = 0 [pid 5344] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... mlock resumed>) = 0 [pid 5345] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5345] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] munmap(0x201a2000, 4096) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5345] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5345] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = 1 [pid 5345] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5344] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] <... migrate_pages resumed>) = 0 [pid 5345] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5345] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5344] <... futex resumed>) = 0 [pid 5344] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5346 attached [pid 5345] <... clone3 resumed>) = 5346 [pid 5345] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5345] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] exit_group(0) = ? [pid 5345] <... futex resumed>) = ? [pid 5345] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5347 attached , child_tidptr=0x555594fba690) = 5347 [pid 5347] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5347] setpgid(0, 0) = 0 [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5347] write(3, "1000", 4) = 4 [pid 5347] close(3) = 0 [pid 5347] write(1, "executing program\n", 18executing program ) = 18 [pid 5347] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5347] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5347] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5348 attached [pid 5348] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5347] <... clone3 resumed> => {parent_tid=[5348]}, 88) = 5348 [pid 5348] <... rseq resumed>) = 0 [pid 5348] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5348] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] exit(0) = ? [pid 5347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5347] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = 1 [pid 5348] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5347] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] +++ exited with 0 +++ [pid 5348] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = 1 [pid 5348] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] <... futex resumed>) = 0 [pid 5348] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5347] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... mremap resumed>) = 0x20130000 [pid 5348] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5347] <... futex resumed>) = 0 [pid 5348] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] mlock(0x20000000, 8388608 [pid 5347] <... futex resumed>) = 0 [pid 5347] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... mlock resumed>) = 0 [pid 5348] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5348] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] munmap(0x201a2000, 4096 [pid 5347] <... futex resumed>) = 0 [pid 5347] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... munmap resumed>) = 0 [pid 5348] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = 1 [pid 5347] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5347] <... futex resumed>) = 0 [pid 5347] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... migrate_pages resumed>) = 0 [pid 5348] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5347] <... futex resumed>) = 0 [pid 5348] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5347] <... futex resumed>) = 0 [pid 5347] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5349 attached [pid 5348] <... clone3 resumed>) = 5349 [pid 5348] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5347] <... futex resumed>) = 0 [pid 5348] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] exit_group(0 [pid 5348] <... futex resumed>) = ? [pid 5347] <... exit_group resumed>) = ? [pid 5348] +++ exited with 0 +++ [pid 5347] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5347, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5350 attached , child_tidptr=0x555594fba690) = 5350 [pid 5350] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5350] setpgid(0, 0) = 0 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5350] write(3, "1000", 4) = 4 [pid 5350] close(3) = 0 executing program [pid 5350] write(1, "executing program\n", 18) = 18 [pid 5350] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5350] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5350] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5351 attached [pid 5351] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5350] <... clone3 resumed> => {parent_tid=[5351]}, 88) = 5351 [pid 5351] set_robust_list(0x7f38182c19a0, 24 [pid 5350] rt_sigprocmask(SIG_SETMASK, [], [pid 5351] <... set_robust_list resumed>) = 0 [pid 5350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5351] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5350] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] <... madvise resumed>) = 0 [pid 5351] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5351] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] <... futex resumed>) = 0 [pid 5350] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5350] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] exit(0 [pid 5351] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5349] <... exit resumed>) = ? [pid 5351] <... mremap resumed>) = 0x20130000 [pid 5351] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5351] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] <... futex resumed>) = 0 [pid 5350] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5351] mlock(0x20000000, 8388608 [pid 5350] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] +++ exited with 0 +++ [pid 5351] <... mlock resumed>) = 0 [pid 5351] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 1 [pid 5350] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] munmap(0x201a2000, 4096 [pid 5350] <... futex resumed>) = 0 [pid 5350] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] <... munmap resumed>) = 0 [pid 5351] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5350] <... futex resumed>) = 0 [pid 5351] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5350] <... futex resumed>) = 0 [pid 5351] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5350] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] <... migrate_pages resumed>) = 0 [pid 5351] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5350] <... futex resumed>) = 0 [pid 5351] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5350] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5352 attached ) = 5352 [pid 5351] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5350] <... futex resumed>) = 0 [pid 5351] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5350] exit_group(0 [pid 5351] <... futex resumed>) = ? [pid 5351] +++ exited with 0 +++ [pid 5350] <... exit_group resumed>) = ? [pid 5350] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5353 attached , child_tidptr=0x555594fba690) = 5353 [pid 5353] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5353] setpgid(0, 0) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5353] write(3, "1000", 4) = 4 [pid 5353] close(3) = 0 [pid 5353] write(1, "executing program\n", 18executing program ) = 18 [pid 5353] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5353] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5354 attached [pid 5354] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5354] set_robust_list(0x7f38182c19a0, 24 [pid 5353] <... clone3 resumed> => {parent_tid=[5354]}, 88) = 5354 [pid 5354] <... set_robust_list resumed>) = 0 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5353] <... futex resumed>) = 0 [pid 5354] <... madvise resumed>) = 0 [pid 5353] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5353] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5354] <... mremap resumed>) = 0x20130000 [pid 5353] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] mlock(0x20000000, 8388608 [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] exit(0 [pid 5354] <... mlock resumed>) = 0 [pid 5352] <... exit resumed>) = ? [pid 5354] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5354] munmap(0x201a2000, 4096) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] <... futex resumed>) = 0 [pid 5354] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5353] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] +++ exited with 0 +++ [pid 5354] <... migrate_pages resumed>) = 0 [pid 5354] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5353] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5353] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5355 attached [pid 5354] <... clone3 resumed>) = 5355 [pid 5354] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5354] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] exit_group(0) = ? [pid 5354] <... futex resumed>) = ? [pid 5354] +++ exited with 0 +++ [pid 5353] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5356 attached , child_tidptr=0x555594fba690) = 5356 [pid 5356] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5356] setpgid(0, 0) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5356] write(3, "1000", 4) = 4 [pid 5356] close(3) = 0 [pid 5356] write(1, "executing program\n", 18executing program ) = 18 [pid 5356] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5356] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5357 attached [pid 5357] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5357] set_robust_list(0x7f38182c19a0, 24 [pid 5356] <... clone3 resumed> => {parent_tid=[5357]}, 88) = 5357 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5356] <... futex resumed>) = 0 [pid 5355] exit(0 [pid 5357] <... madvise resumed>) = 0 [pid 5356] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] <... exit resumed>) = ? [pid 5357] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] <... futex resumed>) = 0 [pid 5356] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000) = 0x20130000 [pid 5356] <... futex resumed>) = 0 [pid 5356] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5357] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5356] <... futex resumed>) = 0 [pid 5357] mlock(0x20000000, 8388608 [pid 5356] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5355] +++ exited with 0 +++ [pid 5356] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5357] <... mlock resumed>) = 0 [pid 5357] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] munmap(0x201a2000, 4096 [pid 5356] <... futex resumed>) = 0 [pid 5357] <... munmap resumed>) = 0 [pid 5356] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5357] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5356] <... futex resumed>) = 0 [pid 5356] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5357] <... migrate_pages resumed>) = 0 [pid 5357] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5356] <... futex resumed>) = 0 [pid 5356] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5358 attached [pid 5357] <... clone3 resumed>) = 5358 [pid 5357] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5356] <... futex resumed>) = 0 [pid 5357] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] exit_group(0 [pid 5357] <... futex resumed>) = ? [pid 5357] +++ exited with 0 +++ [pid 5356] <... exit_group resumed>) = ? [pid 5356] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5359 attached , child_tidptr=0x555594fba690) = 5359 [pid 5359] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5359] setpgid(0, 0) = 0 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5359] write(3, "1000", 4) = 4 [pid 5359] close(3) = 0 [pid 5359] write(1, "executing program\n", 18executing program ) = 18 [pid 5359] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5359] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5360 attached [pid 5360] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5359] <... clone3 resumed> => {parent_tid=[5360]}, 88) = 5360 [pid 5360] set_robust_list(0x7f38182c19a0, 24 [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] <... set_robust_list resumed>) = 0 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5359] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5359] <... futex resumed>) = 0 [pid 5360] <... madvise resumed>) = 0 [pid 5359] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5359] <... futex resumed>) = 0 [pid 5360] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5359] <... futex resumed>) = 0 [pid 5359] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... mremap resumed>) = 0x20130000 [pid 5360] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5360] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 0 [pid 5359] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5360] mlock(0x20000000, 8388608 [pid 5358] exit(0 [pid 5359] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5358] <... exit resumed>) = ? [pid 5358] +++ exited with 0 +++ [pid 5360] <... mlock resumed>) = 0 [pid 5360] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 1 [pid 5359] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] munmap(0x201a2000, 4096 [pid 5359] <... futex resumed>) = 0 [pid 5359] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... munmap resumed>) = 0 [pid 5360] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5360] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 0 [pid 5359] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5360] <... futex resumed>) = 0 [pid 5359] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a]) = 0 [pid 5360] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5359] <... futex resumed>) = 0 [pid 5360] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5359] <... futex resumed>) = 0 [pid 5359] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5361 attached [pid 5360] <... clone3 resumed>) = 5361 [pid 5360] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5360] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 0 [pid 5359] exit_group(0 [pid 5360] <... futex resumed>) = ? [pid 5359] <... exit_group resumed>) = ? [pid 5360] +++ exited with 0 +++ [pid 5359] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5362 attached , child_tidptr=0x555594fba690) = 5362 [pid 5362] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5362] setpgid(0, 0) = 0 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5362] write(3, "1000", 4) = 4 [pid 5362] close(3) = 0 [pid 5362] write(1, "executing program\n", 18executing program ) = 18 [pid 5362] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5362] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5362] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5363 attached [pid 5363] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5362] <... clone3 resumed> => {parent_tid=[5363]}, 88) = 5363 [pid 5363] set_robust_list(0x7f38182c19a0, 24 [pid 5362] rt_sigprocmask(SIG_SETMASK, [], [pid 5363] <... set_robust_list resumed>) = 0 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5363] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5362] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... madvise resumed>) = 0 [pid 5363] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 1 [pid 5362] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5362] <... futex resumed>) = 0 [pid 5363] <... mremap resumed>) = 0x20130000 [pid 5362] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] mlock(0x20000000, 8388608 [pid 5362] <... futex resumed>) = 0 [pid 5362] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... mlock resumed>) = 0 [pid 5363] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5362] <... futex resumed>) = 0 [pid 5363] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5362] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5362] <... futex resumed>) = 0 [pid 5361] exit(0 [pid 5363] munmap(0x201a2000, 4096 [pid 5361] <... exit resumed>) = ? [pid 5363] <... munmap resumed>) = 0 [pid 5362] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] +++ exited with 0 +++ [pid 5363] <... futex resumed>) = 1 [pid 5362] <... futex resumed>) = 0 [pid 5363] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5362] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5362] <... futex resumed>) = 0 [pid 5363] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5362] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... migrate_pages resumed>) = 0 [pid 5363] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5362] <... futex resumed>) = 0 [pid 5363] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5362] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 1 [pid 5363] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5362] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5364 attached [pid 5363] <... clone3 resumed>) = 5364 [pid 5363] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 1 [pid 5362] exit_group(0 [pid 5363] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5362] <... exit_group resumed>) = ? [pid 5363] +++ exited with 0 +++ [pid 5362] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5365 attached , child_tidptr=0x555594fba690) = 5365 [pid 5365] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5365] setpgid(0, 0) = 0 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5365] write(3, "1000", 4) = 4 [pid 5365] close(3) = 0 executing program [pid 5365] write(1, "executing program\n", 18) = 18 [pid 5365] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5365] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5365] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5366 attached [pid 5366] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5365] <... clone3 resumed> => {parent_tid=[5366]}, 88) = 5366 [pid 5366] set_robust_list(0x7f38182c19a0, 24 [pid 5365] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] exit(0 [pid 5366] <... set_robust_list resumed>) = 0 [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] <... exit resumed>) = ? [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5365] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5366] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5365] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] +++ exited with 0 +++ [pid 5366] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5366] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] <... futex resumed>) = 0 [pid 5366] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5365] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] <... mremap resumed>) = 0x20130000 [pid 5366] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5366] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] <... futex resumed>) = 0 [pid 5366] mlock(0x20000000, 8388608 [pid 5365] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] <... mlock resumed>) = 0 [pid 5366] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5366] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] munmap(0x201a2000, 4096 [pid 5365] <... futex resumed>) = 0 [pid 5366] <... munmap resumed>) = 0 [pid 5365] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = 1 [pid 5365] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5365] <... futex resumed>) = 0 [pid 5365] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] <... migrate_pages resumed>) = 0 [pid 5366] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5366] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = 0 [pid 5365] <... futex resumed>) = 1 [pid 5366] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5365] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5367 attached [pid 5366] <... clone3 resumed>) = 5367 [pid 5366] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5366] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] exit_group(0 [pid 5366] <... futex resumed>) = ? [pid 5366] +++ exited with 0 +++ [pid 5365] <... exit_group resumed>) = ? [pid 5365] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5368 attached , child_tidptr=0x555594fba690) = 5368 [pid 5368] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5368] setpgid(0, 0) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5368] write(3, "1000", 4) = 4 [pid 5368] close(3) = 0 executing program [pid 5368] write(1, "executing program\n", 18) = 18 [pid 5368] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5368] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5369 attached [pid 5369] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5368] <... clone3 resumed> => {parent_tid=[5369]}, 88) = 5369 [pid 5369] set_robust_list(0x7f38182c19a0, 24 [pid 5368] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] <... set_robust_list resumed>) = 0 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5368] <... futex resumed>) = 0 [pid 5369] <... madvise resumed>) = 0 [pid 5368] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] <... futex resumed>) = 0 [pid 5369] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5368] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] <... mremap resumed>) = 0x20130000 [pid 5369] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5368] <... futex resumed>) = 0 [pid 5369] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] mlock(0x20000000, 8388608 [pid 5368] <... futex resumed>) = 0 [pid 5367] exit(0 [pid 5368] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] <... exit resumed>) = ? [pid 5367] +++ exited with 0 +++ [pid 5369] <... mlock resumed>) = 0 [pid 5369] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5368] <... futex resumed>) = 0 [pid 5369] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] <... futex resumed>) = 0 [pid 5369] munmap(0x201a2000, 4096 [pid 5368] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] <... munmap resumed>) = 0 [pid 5369] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... futex resumed>) = 0 [pid 5369] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5368] <... futex resumed>) = 0 [pid 5368] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] <... migrate_pages resumed>) = 0 [pid 5369] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 1 [pid 5368] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5368] <... futex resumed>) = 0 [pid 5368] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5370 attached [pid 5369] <... clone3 resumed>) = 5370 [pid 5369] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5368] <... futex resumed>) = 0 [pid 5369] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] exit_group(0) = ? [pid 5369] <... futex resumed>) = ? [pid 5369] +++ exited with 0 +++ [pid 5368] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5371 attached , child_tidptr=0x555594fba690) = 5371 [pid 5371] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5371] setpgid(0, 0) = 0 [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5371] write(3, "1000", 4) = 4 [pid 5371] close(3) = 0 [pid 5371] write(1, "executing program\n", 18executing program ) = 18 [pid 5371] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5371] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5372 attached => {parent_tid=[5372]}, 88) = 5372 [pid 5372] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5372] <... rseq resumed>) = 0 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] set_robust_list(0x7f38182c19a0, 24 [pid 5371] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] <... futex resumed>) = 0 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5372] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] exit(0 [pid 5372] <... futex resumed>) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5370] <... exit resumed>) = ? [pid 5372] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] <... futex resumed>) = 0 [pid 5372] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5371] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... mremap resumed>) = 0x20130000 [pid 5370] +++ exited with 0 +++ [pid 5372] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5372] mlock(0x20000000, 8388608 [pid 5371] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... mlock resumed>) = 0 [pid 5372] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5372] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] <... futex resumed>) = 0 [pid 5372] munmap(0x201a2000, 4096 [pid 5371] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... munmap resumed>) = 0 [pid 5372] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5372] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5371] <... futex resumed>) = 0 [pid 5371] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... migrate_pages resumed>) = 0 [pid 5372] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5372] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] <... futex resumed>) = 0 [pid 5372] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5371] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5373 attached [pid 5372] <... clone3 resumed>) = 5373 [pid 5372] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5372] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] exit_group(0 [pid 5372] <... futex resumed>) = ? [pid 5371] <... exit_group resumed>) = ? [pid 5372] +++ exited with 0 +++ [pid 5371] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5371, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached , child_tidptr=0x555594fba690) = 5374 [pid 5374] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5374] setpgid(0, 0) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5374] write(3, "1000", 4) = 4 [pid 5374] close(3) = 0 executing program [pid 5374] write(1, "executing program\n", 18) = 18 [pid 5374] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5374] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5374] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5375 attached [pid 5375] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5373] exit(0 [pid 5374] <... clone3 resumed> => {parent_tid=[5375]}, 88) = 5375 [pid 5375] <... rseq resumed>) = 0 [pid 5373] <... exit resumed>) = ? [pid 5375] set_robust_list(0x7f38182c19a0, 24 [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5373] +++ exited with 0 +++ [pid 5375] <... madvise resumed>) = 0 [pid 5375] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 1 [pid 5374] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... mremap resumed>) = 0x20130000 [pid 5375] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] <... futex resumed>) = 0 [pid 5375] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] <... futex resumed>) = 0 [pid 5375] mlock(0x20000000, 8388608 [pid 5374] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... mlock resumed>) = 0 [pid 5375] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 1 [pid 5374] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] munmap(0x201a2000, 4096 [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... munmap resumed>) = 0 [pid 5375] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5375] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... migrate_pages resumed>) = 0 [pid 5375] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 1 [pid 5374] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5376 attached [pid 5375] <... clone3 resumed>) = 5376 [pid 5375] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5374] <... futex resumed>) = 0 [pid 5375] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] exit_group(0 [pid 5375] <... futex resumed>) = ? [pid 5374] <... exit_group resumed>) = ? [pid 5375] +++ exited with 0 +++ [pid 5374] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached , child_tidptr=0x555594fba690) = 5377 [pid 5377] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5377] setpgid(0, 0) = 0 [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5377] write(3, "1000", 4) = 4 [pid 5377] close(3) = 0 executing program [pid 5377] write(1, "executing program\n", 18) = 18 [pid 5377] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5377] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5377] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5378 attached [pid 5378] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5378] set_robust_list(0x7f38182c19a0, 24 [pid 5377] <... clone3 resumed> => {parent_tid=[5378]}, 88) = 5378 [pid 5378] <... set_robust_list resumed>) = 0 [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5378] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5377] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5378] <... madvise resumed>) = 0 [pid 5377] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5378] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5377] <... futex resumed>) = 1 [pid 5378] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5377] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... mremap resumed>) = 0x20130000 [pid 5378] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5378] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] mlock(0x20000000, 8388608 [pid 5377] <... futex resumed>) = 0 [pid 5376] exit(0 [pid 5377] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... exit resumed>) = ? [pid 5376] +++ exited with 0 +++ [pid 5378] <... mlock resumed>) = 0 [pid 5378] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 1 [pid 5377] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] munmap(0x201a2000, 4096 [pid 5377] <... futex resumed>) = 0 [pid 5378] <... munmap resumed>) = 0 [pid 5377] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 1 [pid 5377] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5377] <... futex resumed>) = 0 [pid 5377] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... migrate_pages resumed>) = 0 [pid 5378] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5378] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5377] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5377] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5379 attached [pid 5378] <... clone3 resumed>) = 5379 [pid 5378] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5378] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] exit_group(0 [pid 5378] <... futex resumed>) = ? [pid 5377] <... exit_group resumed>) = ? [pid 5378] +++ exited with 0 +++ [pid 5377] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5380 attached , child_tidptr=0x555594fba690) = 5380 [pid 5380] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5380] setpgid(0, 0) = 0 [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5380] write(3, "1000", 4) = 4 [pid 5380] close(3) = 0 [pid 5380] write(1, "executing program\n", 18executing program ) = 18 [pid 5380] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5380] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5381 attached [pid 5381] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5381] set_robust_list(0x7f38182c19a0, 24 [pid 5380] <... clone3 resumed> => {parent_tid=[5381]}, 88) = 5381 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5380] rt_sigprocmask(SIG_SETMASK, [], [pid 5381] rt_sigprocmask(SIG_SETMASK, [], [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5380] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5380] <... futex resumed>) = 0 [pid 5380] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5380] <... futex resumed>) = 0 [pid 5380] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] <... mremap resumed>) = 0x20130000 [pid 5381] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = 0 [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] exit(0 [pid 5381] mlock(0x20000000, 8388608 [pid 5380] <... futex resumed>) = 0 [pid 5379] <... exit resumed>) = ? [pid 5380] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] +++ exited with 0 +++ [pid 5381] <... mlock resumed>) = 0 [pid 5381] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = 0 [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] munmap(0x201a2000, 4096 [pid 5380] <... futex resumed>) = 0 [pid 5381] <... munmap resumed>) = 0 [pid 5380] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5380] <... futex resumed>) = 0 [pid 5381] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5380] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5380] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] <... migrate_pages resumed>) = 0 [pid 5381] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = 0 [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5380] <... futex resumed>) = 0 [pid 5380] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5382 attached [pid 5381] <... clone3 resumed>) = 5382 [pid 5381] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5380] <... futex resumed>) = 0 [pid 5381] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] exit_group(0 [pid 5381] <... futex resumed>) = ? [pid 5380] <... exit_group resumed>) = ? [pid 5381] +++ exited with 0 +++ [pid 5380] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5383 attached , child_tidptr=0x555594fba690) = 5383 [pid 5383] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5383] setpgid(0, 0) = 0 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5383] write(3, "1000", 4) = 4 [pid 5383] close(3) = 0 executing program [pid 5383] write(1, "executing program\n", 18) = 18 [pid 5383] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5383] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5384 attached [pid 5384] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5384] set_robust_list(0x7f38182c19a0, 24 [pid 5383] <... clone3 resumed> => {parent_tid=[5384]}, 88) = 5384 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] rt_sigprocmask(SIG_SETMASK, [], [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5383] <... futex resumed>) = 0 [pid 5384] <... madvise resumed>) = 0 [pid 5383] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5384] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] <... futex resumed>) = 0 [pid 5384] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5383] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5382] exit(0 [pid 5384] <... mremap resumed>) = 0x20130000 [pid 5382] <... exit resumed>) = ? [pid 5384] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5384] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] <... futex resumed>) = 0 [pid 5382] +++ exited with 0 +++ [pid 5384] mlock(0x20000000, 8388608 [pid 5383] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... mlock resumed>) = 0 [pid 5384] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... futex resumed>) = 0 [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] munmap(0x201a2000, 4096 [pid 5383] <... futex resumed>) = 0 [pid 5383] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... munmap resumed>) = 0 [pid 5384] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] <... futex resumed>) = 0 [pid 5384] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5383] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... migrate_pages resumed>) = 0 [pid 5384] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5384] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5383] <... futex resumed>) = 0 [pid 5383] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5385 attached [pid 5384] <... clone3 resumed>) = 5385 [pid 5384] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5384] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] exit_group(0 [pid 5384] <... futex resumed>) = ? [pid 5383] <... exit_group resumed>) = ? [pid 5384] +++ exited with 0 +++ [pid 5383] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5383, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5386 attached , child_tidptr=0x555594fba690) = 5386 [pid 5386] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5386] setpgid(0, 0) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5386] write(3, "1000", 4) = 4 [pid 5386] close(3) = 0 [pid 5386] write(1, "executing program\n", 18executing program ) = 18 [pid 5386] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5386] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5386] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5387 attached [pid 5387] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5387] set_robust_list(0x7f38182c19a0, 24 [pid 5386] <... clone3 resumed> => {parent_tid=[5387]}, 88) = 5387 [pid 5387] <... set_robust_list resumed>) = 0 [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] <... futex resumed>) = 0 [pid 5387] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5386] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... madvise resumed>) = 0 [pid 5387] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5387] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] <... futex resumed>) = 0 [pid 5386] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5386] <... futex resumed>) = 1 [pid 5387] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5386] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... mremap resumed>) = 0x20130000 [pid 5387] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5387] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] mlock(0x20000000, 8388608 [pid 5386] <... futex resumed>) = 0 [pid 5386] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] exit(0 [pid 5387] <... mlock resumed>) = 0 [pid 5385] <... exit resumed>) = ? [pid 5387] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5387] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5387] munmap(0x201a2000, 4096) = 0 [pid 5387] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5386] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] +++ exited with 0 +++ [pid 5387] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5386] <... futex resumed>) = 1 [pid 5387] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5386] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... migrate_pages resumed>) = 0 [pid 5387] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5387] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5386] <... futex resumed>) = 0 [pid 5386] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5388 attached [pid 5387] <... clone3 resumed>) = 5388 [pid 5387] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5387] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] exit_group(0 [pid 5387] <... futex resumed>) = ? [pid 5387] +++ exited with 0 +++ [pid 5386] <... exit_group resumed>) = ? [pid 5386] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5389 attached , child_tidptr=0x555594fba690) = 5389 [pid 5389] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5389] setpgid(0, 0) = 0 [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5389] write(3, "1000", 4) = 4 [pid 5389] close(3) = 0 executing program [pid 5389] write(1, "executing program\n", 18) = 18 [pid 5389] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5389] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5389] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5390 attached => {parent_tid=[5390]}, 88) = 5390 [pid 5390] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5390] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5390] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5389] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... futex resumed>) = 0 [pid 5389] <... futex resumed>) = 1 [pid 5390] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5389] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] <... madvise resumed>) = 0 [pid 5390] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5390] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5390] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5389] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] exit(0) = ? [pid 5390] <... mremap resumed>) = 0x20130000 [pid 5390] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] +++ exited with 0 +++ [pid 5390] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5390] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] mlock(0x20000000, 8388608 [pid 5389] <... futex resumed>) = 0 [pid 5389] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] <... mlock resumed>) = 0 [pid 5390] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5390] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5390] munmap(0x201a2000, 4096 [pid 5389] <... futex resumed>) = 0 [pid 5390] <... munmap resumed>) = 0 [pid 5389] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5390] <... futex resumed>) = 0 [pid 5389] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5389] <... futex resumed>) = 0 [pid 5389] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] <... migrate_pages resumed>) = 0 [pid 5390] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5389] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5389] <... futex resumed>) = 0 [pid 5389] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5391 attached [pid 5390] <... clone3 resumed>) = 5391 [pid 5390] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5389] exit_group(0 [pid 5390] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... exit_group resumed>) = ? [pid 5390] <... futex resumed>) = ? [pid 5390] +++ exited with 0 +++ [pid 5389] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5389, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5392 attached , child_tidptr=0x555594fba690) = 5392 [pid 5392] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5392] setpgid(0, 0) = 0 [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5392] write(3, "1000", 4) = 4 [pid 5392] close(3) = 0 [pid 5392] write(1, "executing program\n", 18executing program ) = 18 [pid 5392] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5392] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5392] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5393 attached [pid 5393] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5392] <... clone3 resumed> => {parent_tid=[5393]}, 88) = 5393 [pid 5393] set_robust_list(0x7f38182c19a0, 24 [pid 5392] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] <... set_robust_list resumed>) = 0 [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5392] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5392] <... futex resumed>) = 0 [pid 5393] <... madvise resumed>) = 0 [pid 5392] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5392] <... futex resumed>) = 0 [pid 5393] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5392] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5392] <... futex resumed>) = 0 [pid 5393] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5392] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... mremap resumed>) = 0x20130000 [pid 5393] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5392] <... futex resumed>) = 0 [pid 5393] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5392] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] mlock(0x20000000, 8388608 [pid 5392] <... futex resumed>) = 0 [pid 5391] exit(0 [pid 5392] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] <... exit resumed>) = ? [pid 5391] +++ exited with 0 +++ [pid 5393] <... mlock resumed>) = 0 [pid 5393] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5392] <... futex resumed>) = 0 [pid 5393] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5392] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5392] <... futex resumed>) = 0 [pid 5393] munmap(0x201a2000, 4096 [pid 5392] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... munmap resumed>) = 0 [pid 5393] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5392] <... futex resumed>) = 0 [pid 5392] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a]) = 0 [pid 5393] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... futex resumed>) = 0 [pid 5393] <... futex resumed>) = 1 [pid 5392] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5392] <... futex resumed>) = 0 [pid 5392] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5394 attached [pid 5393] <... clone3 resumed>) = 5394 [pid 5393] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5392] <... futex resumed>) = 0 [pid 5393] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5392] exit_group(0 [pid 5393] <... futex resumed>) = ? [pid 5392] <... exit_group resumed>) = ? [pid 5393] +++ exited with 0 +++ [pid 5392] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5392, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5395 attached , child_tidptr=0x555594fba690) = 5395 [pid 5395] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5395] setpgid(0, 0) = 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5395] write(3, "1000", 4) = 4 [pid 5395] close(3) = 0 [pid 5395] write(1, "executing program\n", 18executing program ) = 18 [pid 5395] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5395] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5396 attached [pid 5396] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5395] <... clone3 resumed> => {parent_tid=[5396]}, 88) = 5396 [pid 5396] <... rseq resumed>) = 0 [pid 5396] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5396] rt_sigprocmask(SIG_SETMASK, [], [pid 5395] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] exit(0 [pid 5396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5394] <... exit resumed>) = ? [pid 5396] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5396] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... futex resumed>) = 0 [pid 5394] +++ exited with 0 +++ [pid 5396] <... futex resumed>) = 0 [pid 5395] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = 0 [pid 5396] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5395] <... futex resumed>) = 1 [pid 5395] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... mremap resumed>) = 0x20130000 [pid 5396] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5396] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] mlock(0x20000000, 8388608 [pid 5395] <... futex resumed>) = 0 [pid 5395] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... mlock resumed>) = 0 [pid 5396] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5396] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] <... futex resumed>) = 0 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] munmap(0x201a2000, 4096 [pid 5395] <... futex resumed>) = 0 [pid 5396] <... munmap resumed>) = 0 [pid 5395] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = 0 [pid 5395] <... futex resumed>) = 1 [pid 5396] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5395] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... migrate_pages resumed>) = 0 [pid 5396] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5396] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5395] <... futex resumed>) = 0 [pid 5395] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5397 attached [pid 5396] <... clone3 resumed>) = 5397 [pid 5396] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5396] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] exit_group(0 [pid 5396] <... futex resumed>) = ? [pid 5396] +++ exited with 0 +++ [pid 5395] <... exit_group resumed>) = ? [pid 5395] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5395, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5398 attached , child_tidptr=0x555594fba690) = 5398 [pid 5398] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5398] setpgid(0, 0) = 0 [pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5398] write(3, "1000", 4) = 4 [pid 5398] close(3) = 0 [pid 5398] write(1, "executing program\n", 18executing program ) = 18 [pid 5398] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5398] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5398] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5399 attached [pid 5399] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5398] <... clone3 resumed> => {parent_tid=[5399]}, 88) = 5399 [pid 5399] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5399] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5398] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5397] exit(0 [pid 5399] <... futex resumed>) = 0 [pid 5398] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] <... exit resumed>) = ? [pid 5399] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5399] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5398] <... futex resumed>) = 0 [pid 5399] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... futex resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5399] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5398] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... mremap resumed>) = 0x20130000 [pid 5397] +++ exited with 0 +++ [pid 5399] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5398] <... futex resumed>) = 0 [pid 5399] mlock(0x20000000, 8388608 [pid 5398] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5398] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... mlock resumed>) = 0 [pid 5399] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5398] <... futex resumed>) = 0 [pid 5398] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5398] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] munmap(0x201a2000, 4096) = 0 [pid 5399] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5398] <... futex resumed>) = 0 [pid 5399] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5398] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5398] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... migrate_pages resumed>) = 0 [pid 5399] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... futex resumed>) = 0 [pid 5399] <... futex resumed>) = 1 [pid 5398] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5398] <... futex resumed>) = 0 [pid 5398] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5400 attached [pid 5399] <... clone3 resumed>) = 5400 [pid 5399] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5398] <... futex resumed>) = 0 [pid 5399] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] exit_group(0 [pid 5399] <... futex resumed>) = ? [pid 5398] <... exit_group resumed>) = ? [pid 5399] +++ exited with 0 +++ [pid 5398] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5398, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5401 attached , child_tidptr=0x555594fba690) = 5401 [pid 5401] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5401] setpgid(0, 0) = 0 [pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5401] write(3, "1000", 4) = 4 [pid 5401] close(3) = 0 executing program [pid 5401] write(1, "executing program\n", 18) = 18 [pid 5401] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5401] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5401] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5402 attached [pid 5402] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5401] <... clone3 resumed> => {parent_tid=[5402]}, 88) = 5402 [pid 5402] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5402] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5401] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = 1 [pid 5402] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5401] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5402] <... madvise resumed>) = 0 [pid 5402] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5402] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5401] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... mremap resumed>) = 0x20130000 [pid 5401] <... futex resumed>) = 0 [pid 5401] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5402] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5402] <... futex resumed>) = 0 [pid 5401] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] mlock(0x20000000, 8388608 [pid 5401] <... futex resumed>) = 0 [pid 5401] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5402] <... mlock resumed>) = 0 [pid 5402] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5402] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5401] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] munmap(0x201a2000, 4096 [pid 5401] <... futex resumed>) = 0 [pid 5401] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5402] <... munmap resumed>) = 0 [pid 5402] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... futex resumed>) = 0 [pid 5402] <... futex resumed>) = 1 [pid 5401] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5401] <... futex resumed>) = 0 [pid 5401] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] exit(0) = ? [pid 5400] +++ exited with 0 +++ [pid 5402] <... migrate_pages resumed>) = 0 [pid 5402] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5402] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = 1 [pid 5402] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5401] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5403 attached [pid 5402] <... clone3 resumed>) = 5403 [pid 5402] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5402] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] exit_group(0 [pid 5402] <... futex resumed>) = ? [pid 5401] <... exit_group resumed>) = ? [pid 5402] +++ exited with 0 +++ [pid 5401] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5401, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5404 attached , child_tidptr=0x555594fba690) = 5404 [pid 5404] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5404] setpgid(0, 0) = 0 [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5404] write(3, "1000", 4) = 4 [pid 5404] close(3) = 0 [pid 5404] write(1, "executing program\n", 18executing program ) = 18 [pid 5404] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5404] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5404] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5405 attached [pid 5405] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5404] <... clone3 resumed> => {parent_tid=[5405]}, 88) = 5405 [pid 5405] <... rseq resumed>) = 0 [pid 5405] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5405] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5404] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5404] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... futex resumed>) = 0 [pid 5405] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5405] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5403] exit(0 [pid 5405] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] <... futex resumed>) = 0 [pid 5403] <... exit resumed>) = ? [pid 5404] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... futex resumed>) = 0 [pid 5404] <... futex resumed>) = 1 [pid 5405] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5404] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... mremap resumed>) = 0x20130000 [pid 5405] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] +++ exited with 0 +++ [pid 5405] <... futex resumed>) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5405] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] <... futex resumed>) = 0 [pid 5405] mlock(0x20000000, 8388608 [pid 5404] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... mlock resumed>) = 0 [pid 5405] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5405] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] munmap(0x201a2000, 4096 [pid 5404] <... futex resumed>) = 0 [pid 5404] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... munmap resumed>) = 0 [pid 5405] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 1 [pid 5404] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5404] <... futex resumed>) = 0 [pid 5404] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... migrate_pages resumed>) = 0 [pid 5405] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 1 [pid 5404] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5404] <... futex resumed>) = 0 [pid 5404] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5406 attached [pid 5405] <... clone3 resumed>) = 5406 [pid 5405] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5405] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] exit_group(0) = ? [pid 5405] <... futex resumed>) = ? [pid 5405] +++ exited with 0 +++ [pid 5404] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5404, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5407 attached , child_tidptr=0x555594fba690) = 5407 [pid 5407] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5407] setpgid(0, 0) = 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5407] write(3, "1000", 4) = 4 [pid 5407] close(3) = 0 [pid 5407] write(1, "executing program\n", 18executing program ) = 18 [pid 5407] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5407] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5407] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5408 attached [pid 5408] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5407] <... clone3 resumed> => {parent_tid=[5408]}, 88) = 5408 [pid 5408] set_robust_list(0x7f38182c19a0, 24 [pid 5407] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] <... set_robust_list resumed>) = 0 [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5407] <... futex resumed>) = 0 [pid 5408] <... madvise resumed>) = 0 [pid 5407] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5408] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5407] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 0 [pid 5407] <... futex resumed>) = 1 [pid 5408] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5407] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5406] exit(0 [pid 5408] <... mremap resumed>) = 0x20130000 [pid 5406] <... exit resumed>) = ? [pid 5408] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] +++ exited with 0 +++ [pid 5408] <... futex resumed>) = 1 [pid 5408] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = 0 [pid 5407] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 0 [pid 5408] mlock(0x20000000, 8388608 [pid 5407] <... futex resumed>) = 1 [pid 5407] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... mlock resumed>) = 0 [pid 5408] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5408] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5407] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] munmap(0x201a2000, 4096 [pid 5407] <... futex resumed>) = 0 [pid 5407] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... munmap resumed>) = 0 [pid 5408] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5408] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = 0 [pid 5407] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5407] <... futex resumed>) = 0 [pid 5408] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5407] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... migrate_pages resumed>) = 0 [pid 5408] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5408] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5407] <... futex resumed>) = 0 [pid 5408] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5407] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5409 attached [pid 5408] <... clone3 resumed>) = 5409 [pid 5408] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5408] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] exit_group(0 [pid 5408] <... futex resumed>) = ? [pid 5408] +++ exited with 0 +++ [pid 5407] <... exit_group resumed>) = ? [pid 5407] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5407, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5410 attached , child_tidptr=0x555594fba690) = 5410 [pid 5410] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5410] setpgid(0, 0) = 0 [pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5410] write(3, "1000", 4) = 4 [pid 5410] close(3) = 0 [pid 5410] write(1, "executing program\n", 18executing program ) = 18 [pid 5410] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5410] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5410] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5410] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5411 attached [pid 5411] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5410] <... clone3 resumed> => {parent_tid=[5411]}, 88) = 5411 [pid 5411] <... rseq resumed>) = 0 [pid 5411] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5409] exit(0 [pid 5411] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] <... exit resumed>) = ? [pid 5410] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5410] <... futex resumed>) = 1 [pid 5411] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5410] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5410] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000) = 0x20130000 [pid 5410] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] +++ exited with 0 +++ [pid 5411] <... futex resumed>) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5411] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5410] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5410] <... futex resumed>) = 0 [pid 5411] mlock(0x20000000, 8388608 [pid 5410] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] <... mlock resumed>) = 0 [pid 5411] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5411] munmap(0x201a2000, 4096 [pid 5410] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... munmap resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5410] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] <... futex resumed>) = 0 [pid 5410] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5410] <... futex resumed>) = 0 [pid 5410] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] <... migrate_pages resumed>) = 0 [pid 5411] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5411] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5410] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5410] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5410] <... futex resumed>) = 0 [pid 5410] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5412 attached [pid 5411] <... clone3 resumed>) = 5412 [pid 5411] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5411] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5410] exit_group(0) = ? [pid 5411] <... futex resumed>) = ? [pid 5411] +++ exited with 0 +++ [pid 5410] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5410, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5413 attached , child_tidptr=0x555594fba690) = 5413 [pid 5413] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5413] setpgid(0, 0) = 0 [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5413] write(3, "1000", 4) = 4 [pid 5413] close(3) = 0 [pid 5413] write(1, "executing program\n", 18executing program ) = 18 [pid 5413] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5413] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5413] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE [pid 5412] exit(0) = ? [pid 5413] <... mprotect resumed>) = 0 [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5414 attached [pid 5414] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5413] <... clone3 resumed> => {parent_tid=[5414]}, 88) = 5414 [pid 5412] +++ exited with 0 +++ [pid 5414] set_robust_list(0x7f38182c19a0, 24 [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5414] <... set_robust_list resumed>) = 0 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] <... futex resumed>) = 0 [pid 5414] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5413] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] <... madvise resumed>) = 0 [pid 5414] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5414] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 [pid 5414] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5413] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] <... mremap resumed>) = 0x20130000 [pid 5414] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5414] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 [pid 5414] mlock(0x20000000, 8388608 [pid 5413] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] <... mlock resumed>) = 0 [pid 5414] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5413] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] munmap(0x201a2000, 4096 [pid 5413] <... futex resumed>) = 0 [pid 5414] <... munmap resumed>) = 0 [pid 5413] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5414] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = 0 [pid 5413] <... futex resumed>) = 1 [pid 5414] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5413] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] <... migrate_pages resumed>) = 0 [pid 5414] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5414] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5414] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5413] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5415 attached [pid 5414] <... clone3 resumed>) = 5415 [pid 5414] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5414] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... futex resumed>) = 0 [pid 5413] exit_group(0 [pid 5414] <... futex resumed>) = ? [pid 5414] +++ exited with 0 +++ [pid 5413] <... exit_group resumed>) = ? [pid 5413] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5416 attached , child_tidptr=0x555594fba690) = 5416 [pid 5416] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5416] setpgid(0, 0) = 0 [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5416] write(3, "1000", 4) = 4 [pid 5416] close(3) = 0 [pid 5416] write(1, "executing program\n", 18executing program ) = 18 [pid 5416] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5416] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5417 attached => {parent_tid=[5417]}, 88) = 5417 [pid 5417] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5416] rt_sigprocmask(SIG_SETMASK, [], [pid 5417] <... rseq resumed>) = 0 [pid 5416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] set_robust_list(0x7f38182c19a0, 24 [pid 5416] <... futex resumed>) = 0 [pid 5417] <... set_robust_list resumed>) = 0 [pid 5416] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5417] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5417] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5416] <... futex resumed>) = 0 [pid 5417] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5416] <... futex resumed>) = 0 [pid 5416] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] <... mremap resumed>) = 0x20130000 [pid 5417] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5416] <... futex resumed>) = 0 [pid 5417] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5416] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] mlock(0x20000000, 8388608) = 0 [pid 5417] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5416] <... futex resumed>) = 0 [pid 5417] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5416] <... futex resumed>) = 0 [pid 5417] munmap(0x201a2000, 4096) = 0 [pid 5416] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] exit(0) = ? [pid 5417] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] <... futex resumed>) = 0 [pid 5416] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = 1 [pid 5417] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5416] <... futex resumed>) = 0 [pid 5416] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] +++ exited with 0 +++ [pid 5417] <... migrate_pages resumed>) = 0 [pid 5416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5417] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5416] <... futex resumed>) = 0 [pid 5416] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5418 attached [pid 5417] <... clone3 resumed>) = 5418 [pid 5417] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5416] <... futex resumed>) = 0 [pid 5417] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] exit_group(0) = ? [pid 5417] <... futex resumed>) = ? [pid 5417] +++ exited with 0 +++ [pid 5416] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5416, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5419 attached [pid 5419] set_robust_list(0x555594fba6a0, 24 [pid 5249] <... clone resumed>, child_tidptr=0x555594fba690) = 5419 [pid 5419] <... set_robust_list resumed>) = 0 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5419] setpgid(0, 0) = 0 [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5419] write(3, "1000", 4) = 4 [pid 5419] close(3) = 0 executing program [pid 5419] write(1, "executing program\n", 18) = 18 [pid 5419] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5419] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5420 attached [pid 5418] exit(0 [pid 5419] <... clone3 resumed> => {parent_tid=[5420]}, 88) = 5420 [pid 5420] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5419] rt_sigprocmask(SIG_SETMASK, [], [pid 5420] <... rseq resumed>) = 0 [pid 5419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5420] set_robust_list(0x7f38182c19a0, 24 [pid 5418] <... exit resumed>) = ? [pid 5420] <... set_robust_list resumed>) = 0 [pid 5419] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5419] <... futex resumed>) = 0 [pid 5420] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5419] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5419] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000) = 0x20130000 [pid 5419] <... futex resumed>) = 0 [pid 5419] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5420] mlock(0x20000000, 8388608 [pid 5419] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5418] +++ exited with 0 +++ [pid 5419] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... mlock resumed>) = 0 [pid 5420] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5420] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5419] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] munmap(0x201a2000, 4096 [pid 5419] <... futex resumed>) = 0 [pid 5420] <... munmap resumed>) = 0 [pid 5419] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5420] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5419] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... migrate_pages resumed>) = 0 [pid 5420] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5420] <... futex resumed>) = 0 [pid 5419] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5419] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5421 attached [pid 5419] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... clone3 resumed>) = 5421 [pid 5420] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5420] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] exit_group(0 [pid 5420] <... futex resumed>) = ? [pid 5419] <... exit_group resumed>) = ? [pid 5420] +++ exited with 0 +++ [pid 5419] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5419, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 executing program [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5422 attached , child_tidptr=0x555594fba690) = 5422 [pid 5422] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5422] setpgid(0, 0) = 0 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5422] write(3, "1000", 4) = 4 [pid 5422] close(3) = 0 [pid 5422] write(1, "executing program\n", 18) = 18 [pid 5422] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5422] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5422] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5423 attached => {parent_tid=[5423]}, 88) = 5423 [pid 5422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5422] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5422] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5423] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5423] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5423] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] <... futex resumed>) = 0 [pid 5423] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5422] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... mremap resumed>) = 0x20130000 [pid 5422] <... futex resumed>) = 0 [pid 5423] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] <... futex resumed>) = 0 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5423] mlock(0x20000000, 8388608 [pid 5422] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5422] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] <... mlock resumed>) = 0 [pid 5423] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] <... futex resumed>) = 0 [pid 5423] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5422] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5423] munmap(0x201a2000, 4096) = 0 [pid 5423] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = 0 [pid 5423] <... futex resumed>) = 1 [pid 5422] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5422] <... futex resumed>) = 0 [pid 5422] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5421] exit(0) = ? [pid 5423] <... migrate_pages resumed>) = 0 [pid 5423] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] <... futex resumed>) = 0 [pid 5423] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5422] <... futex resumed>) = 0 [pid 5423] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5422] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5424 attached [pid 5421] +++ exited with 0 +++ [pid 5423] <... clone3 resumed>) = 5424 [pid 5423] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] <... futex resumed>) = 0 [pid 5423] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] exit_group(0 [pid 5423] <... futex resumed>) = ? [pid 5422] <... exit_group resumed>) = ? [pid 5423] +++ exited with 0 +++ [pid 5422] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5425 attached , child_tidptr=0x555594fba690) = 5425 [pid 5425] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5425] setpgid(0, 0) = 0 [pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5425] write(3, "1000", 4) = 4 [pid 5425] close(3) = 0 [pid 5425] write(1, "executing program\n", 18executing program ) = 18 [pid 5425] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5425] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5425] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5426 attached [pid 5426] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5425] <... clone3 resumed> => {parent_tid=[5426]}, 88) = 5426 [pid 5426] <... rseq resumed>) = 0 [pid 5425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5425] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] set_robust_list(0x7f38182c19a0, 24 [pid 5425] <... futex resumed>) = 0 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5425] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5426] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5426] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5424] exit(0 [pid 5426] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5425] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... exit resumed>) = ? [pid 5426] <... mremap resumed>) = 0x20130000 [pid 5425] <... futex resumed>) = 0 [pid 5425] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5426] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5426] mlock(0x20000000, 8388608 [pid 5425] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5425] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] +++ exited with 0 +++ [pid 5426] <... mlock resumed>) = 0 [pid 5426] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 0 [pid 5426] <... futex resumed>) = 1 [pid 5425] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] munmap(0x201a2000, 4096 [pid 5425] <... futex resumed>) = 0 [pid 5425] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5426] <... munmap resumed>) = 0 [pid 5426] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5426] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5425] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5425] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5426] <... migrate_pages resumed>) = 0 [pid 5426] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5426] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... futex resumed>) = 0 [pid 5425] <... futex resumed>) = 1 [pid 5426] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5425] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5427 attached [pid 5426] <... clone3 resumed>) = 5427 [pid 5426] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5426] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] exit_group(0 [pid 5426] <... futex resumed>) = ? [pid 5425] <... exit_group resumed>) = ? [pid 5426] +++ exited with 0 +++ [pid 5425] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5425, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5428 attached , child_tidptr=0x555594fba690) = 5428 [pid 5428] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5428] setpgid(0, 0) = 0 [pid 5428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5428] write(3, "1000", 4) = 4 [pid 5428] close(3) = 0 executing program [pid 5428] write(1, "executing program\n", 18) = 18 [pid 5428] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5428] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5429 attached => {parent_tid=[5429]}, 88) = 5429 [pid 5429] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5428] rt_sigprocmask(SIG_SETMASK, [], [pid 5429] <... rseq resumed>) = 0 [pid 5428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5429] set_robust_list(0x7f38182c19a0, 24 [pid 5428] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5429] rt_sigprocmask(SIG_SETMASK, [], [pid 5428] <... futex resumed>) = 0 [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5429] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5429] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] <... futex resumed>) = 0 [pid 5428] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... futex resumed>) = 0 [pid 5428] <... futex resumed>) = 1 [pid 5429] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5428] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... mremap resumed>) = 0x20130000 [pid 5429] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5429] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] <... futex resumed>) = 0 [pid 5428] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... futex resumed>) = 0 [pid 5427] exit(0 [pid 5429] mlock(0x20000000, 8388608 [pid 5428] <... futex resumed>) = 1 [pid 5427] <... exit resumed>) = ? [pid 5428] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] +++ exited with 0 +++ [pid 5429] <... mlock resumed>) = 0 [pid 5429] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] munmap(0x201a2000, 4096 [pid 5428] <... futex resumed>) = 0 [pid 5429] <... munmap resumed>) = 0 [pid 5428] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5428] <... futex resumed>) = 0 [pid 5429] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] <... futex resumed>) = 0 [pid 5429] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5428] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... migrate_pages resumed>) = 0 [pid 5429] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5428] <... futex resumed>) = 0 [pid 5428] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5430 attached [pid 5429] <... clone3 resumed>) = 5430 [pid 5429] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] exit_group(0) = ? [pid 5429] +++ exited with 0 +++ [pid 5428] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5428, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5431 attached , child_tidptr=0x555594fba690) = 5431 [pid 5431] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5431] setpgid(0, 0) = 0 [pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5431] write(3, "1000", 4) = 4 [pid 5431] close(3) = 0 executing program [pid 5431] write(1, "executing program\n", 18) = 18 [pid 5431] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5431] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5431] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5432 attached [pid 5432] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5431] <... clone3 resumed> => {parent_tid=[5432]}, 88) = 5432 [pid 5432] <... rseq resumed>) = 0 [pid 5431] rt_sigprocmask(SIG_SETMASK, [], [pid 5432] set_robust_list(0x7f38182c19a0, 24 [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5432] <... set_robust_list resumed>) = 0 [pid 5431] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], [pid 5431] <... futex resumed>) = 0 [pid 5432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5432] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5431] <... futex resumed>) = 0 [pid 5432] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5431] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... mremap resumed>) = 0x20130000 [pid 5431] <... futex resumed>) = 0 [pid 5432] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5432] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5431] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5431] <... futex resumed>) = 0 [pid 5432] mlock(0x20000000, 8388608 [pid 5431] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... mlock resumed>) = 0 [pid 5430] exit(0 [pid 5432] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5431] <... futex resumed>) = 0 [pid 5430] <... exit resumed>) = ? [pid 5432] munmap(0x201a2000, 4096 [pid 5431] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... munmap resumed>) = 0 [pid 5432] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5431] <... futex resumed>) = 0 [pid 5431] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5431] <... futex resumed>) = 0 [pid 5431] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] +++ exited with 0 +++ [pid 5432] <... migrate_pages resumed>) = 0 [pid 5432] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 1 [pid 5432] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5431] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5433 attached [pid 5432] <... clone3 resumed>) = 5433 [pid 5432] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 1 [pid 5432] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5431] exit_group(0 [pid 5432] <... futex resumed>) = ? [pid 5431] <... exit_group resumed>) = ? [pid 5432] +++ exited with 0 +++ [pid 5431] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5431, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5434 attached , child_tidptr=0x555594fba690) = 5434 [pid 5434] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5434] setpgid(0, 0) = 0 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5434] write(3, "1000", 4) = 4 [pid 5434] close(3) = 0 executing program [pid 5434] write(1, "executing program\n", 18) = 18 [pid 5434] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5434] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5434] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5435 attached => {parent_tid=[5435]}, 88) = 5435 [pid 5435] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5434] rt_sigprocmask(SIG_SETMASK, [], [pid 5435] <... rseq resumed>) = 0 [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] set_robust_list(0x7f38182c19a0, 24 [pid 5434] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... set_robust_list resumed>) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], [pid 5434] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5435] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5435] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] exit(0 [pid 5435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] <... futex resumed>) = 0 [pid 5433] <... exit resumed>) = ? [pid 5435] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5434] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... mremap resumed>) = 0x20130000 [pid 5435] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] +++ exited with 0 +++ [pid 5435] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5435] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] <... futex resumed>) = 0 [pid 5435] mlock(0x20000000, 8388608 [pid 5434] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... mlock resumed>) = 0 [pid 5435] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5435] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] munmap(0x201a2000, 4096 [pid 5434] <... futex resumed>) = 0 [pid 5435] <... munmap resumed>) = 0 [pid 5434] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5434] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5434] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... migrate_pages resumed>) = 0 [pid 5435] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5435] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] <... futex resumed>) = 0 [pid 5434] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 1 [pid 5435] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5434] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5436 attached [pid 5435] <... clone3 resumed>) = 5436 [pid 5435] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5435] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] exit_group(0 [pid 5435] <... futex resumed>) = ? [pid 5435] +++ exited with 0 +++ [pid 5434] <... exit_group resumed>) = ? [pid 5434] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5437 attached , child_tidptr=0x555594fba690) = 5437 [pid 5437] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5437] setpgid(0, 0) = 0 [pid 5437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5437] write(3, "1000", 4) = 4 [pid 5437] close(3) = 0 executing program [pid 5437] write(1, "executing program\n", 18) = 18 [pid 5437] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5437] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5437] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5438 attached [pid 5438] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5438] set_robust_list(0x7f38182c19a0, 24 [pid 5437] <... clone3 resumed> => {parent_tid=[5438]}, 88) = 5438 [pid 5438] <... set_robust_list resumed>) = 0 [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5438] rt_sigprocmask(SIG_SETMASK, [], [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5437] <... futex resumed>) = 0 [pid 5438] <... madvise resumed>) = 0 [pid 5437] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] <... futex resumed>) = 0 [pid 5437] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5437] <... futex resumed>) = 0 [pid 5437] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] <... mremap resumed>) = 0x20130000 [pid 5438] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... futex resumed>) = 0 [pid 5438] <... futex resumed>) = 1 [pid 5437] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] mlock(0x20000000, 8388608 [pid 5437] <... futex resumed>) = 0 [pid 5437] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] <... mlock resumed>) = 0 [pid 5438] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... futex resumed>) = 0 [pid 5438] <... futex resumed>) = 1 [pid 5437] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] munmap(0x201a2000, 4096 [pid 5437] <... futex resumed>) = 0 [pid 5437] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] <... munmap resumed>) = 0 [pid 5438] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5437] <... futex resumed>) = 0 [pid 5438] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] exit(0 [pid 5438] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5436] <... exit resumed>) = ? [pid 5437] <... futex resumed>) = 0 [pid 5437] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] +++ exited with 0 +++ [pid 5438] <... migrate_pages resumed>) = 0 [pid 5438] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5437] <... futex resumed>) = 0 [pid 5438] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5437] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5439 attached ) = 5439 [pid 5438] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5437] <... futex resumed>) = 0 [pid 5438] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] exit_group(0 [pid 5438] <... futex resumed>) = ? [pid 5437] <... exit_group resumed>) = ? [pid 5438] +++ exited with 0 +++ [pid 5437] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5437, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5440 attached , child_tidptr=0x555594fba690) = 5440 [pid 5440] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5440] setpgid(0, 0) = 0 [pid 5440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5440] write(3, "1000", 4) = 4 [pid 5440] close(3) = 0 [pid 5440] write(1, "executing program\n", 18executing program ) = 18 [pid 5440] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5440] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5440] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5441 attached [pid 5441] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5440] <... clone3 resumed> => {parent_tid=[5441]}, 88) = 5441 [pid 5441] <... rseq resumed>) = 0 [pid 5441] set_robust_list(0x7f38182c19a0, 24 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] <... set_robust_list resumed>) = 0 [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5441] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] <... futex resumed>) = 0 [pid 5441] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5440] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5440] <... futex resumed>) = 0 [pid 5439] exit(0 [pid 5441] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... exit resumed>) = ? [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] <... futex resumed>) = 0 [pid 5441] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000) = 0x20130000 [pid 5441] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] +++ exited with 0 +++ [pid 5441] <... futex resumed>) = 0 [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5441] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] <... futex resumed>) = 0 [pid 5441] mlock(0x20000000, 8388608 [pid 5440] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] <... mlock resumed>) = 0 [pid 5441] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = 0 [pid 5441] <... futex resumed>) = 1 [pid 5440] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] munmap(0x201a2000, 4096 [pid 5440] <... futex resumed>) = 0 [pid 5441] <... munmap resumed>) = 0 [pid 5440] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5440] <... futex resumed>) = 0 [pid 5441] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] <... futex resumed>) = 0 [pid 5441] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5440] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] <... migrate_pages resumed>) = 0 [pid 5441] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5440] <... futex resumed>) = 0 [pid 5441] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] <... futex resumed>) = 0 [pid 5441] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5440] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5442 attached [pid 5441] <... clone3 resumed>) = 5442 [pid 5441] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5440] <... futex resumed>) = 0 [pid 5441] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] exit_group(0 [pid 5441] <... futex resumed>) = ? [pid 5440] <... exit_group resumed>) = ? [pid 5441] +++ exited with 0 +++ [pid 5440] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5440, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594fba690) = 5443 ./strace-static-x86_64: Process 5443 attached [pid 5443] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5443] setpgid(0, 0) = 0 [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5443] write(3, "1000", 4) = 4 [pid 5443] close(3) = 0 [pid 5443] write(1, "executing program\n", 18executing program ) = 18 [pid 5443] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5443] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5442] exit(0 [pid 5443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0} [pid 5442] <... exit resumed>) = ? ./strace-static-x86_64: Process 5444 attached [pid 5444] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5444] set_robust_list(0x7f38182c19a0, 24 [pid 5443] <... clone3 resumed> => {parent_tid=[5444]}, 88) = 5444 [pid 5444] <... set_robust_list resumed>) = 0 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5443] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... madvise resumed>) = 0 [pid 5444] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5444] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5443] <... futex resumed>) = 0 [pid 5444] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5443] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... mremap resumed>) = 0x20130000 [pid 5444] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] mlock(0x20000000, 8388608 [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5442] +++ exited with 0 +++ [pid 5444] <... mlock resumed>) = 0 [pid 5444] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 0 [pid 5444] <... futex resumed>) = 1 [pid 5443] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] munmap(0x201a2000, 4096 [pid 5443] <... futex resumed>) = 0 [pid 5444] <... munmap resumed>) = 0 [pid 5443] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5444] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] <... futex resumed>) = 0 [pid 5444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5443] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... migrate_pages resumed>) = 0 [pid 5444] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5444] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5443] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5445 attached [pid 5444] <... clone3 resumed>) = 5445 [pid 5444] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5444] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] exit_group(0 [pid 5444] <... futex resumed>) = ? [pid 5443] <... exit_group resumed>) = ? [pid 5444] +++ exited with 0 +++ [pid 5443] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5443, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5446 attached , child_tidptr=0x555594fba690) = 5446 [pid 5446] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5446] setpgid(0, 0) = 0 [pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5446] write(3, "1000", 4) = 4 [pid 5446] close(3executing program ) = 0 [pid 5446] write(1, "executing program\n", 18) = 18 [pid 5446] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5446] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5446] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5447 attached [pid 5447] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5446] <... clone3 resumed> => {parent_tid=[5447]}, 88) = 5447 [pid 5447] <... rseq resumed>) = 0 [pid 5446] rt_sigprocmask(SIG_SETMASK, [], [pid 5447] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5446] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5446] <... futex resumed>) = 0 [pid 5447] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5446] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... madvise resumed>) = 0 [pid 5447] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5446] <... futex resumed>) = 0 [pid 5447] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] <... futex resumed>) = 0 [pid 5447] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5446] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... mremap resumed>) = 0x20130000 [pid 5447] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5446] <... futex resumed>) = 0 [pid 5447] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] mlock(0x20000000, 8388608 [pid 5446] <... futex resumed>) = 0 [pid 5445] exit(0 [pid 5446] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] <... exit resumed>) = ? [pid 5447] <... mlock resumed>) = 0 [pid 5447] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] +++ exited with 0 +++ [pid 5446] <... futex resumed>) = 0 [pid 5447] munmap(0x201a2000, 4096 [pid 5446] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... munmap resumed>) = 0 [pid 5446] <... futex resumed>) = 0 [pid 5447] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... futex resumed>) = 0 [pid 5447] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5446] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a]) = 0 [pid 5447] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... futex resumed>) = 0 [pid 5447] <... futex resumed>) = 1 [pid 5446] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5446] <... futex resumed>) = 0 [pid 5446] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5448 attached [pid 5447] <... clone3 resumed>) = 5448 [pid 5447] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5447] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] <... futex resumed>) = 0 [pid 5446] exit_group(0) = ? [pid 5447] <... futex resumed>) = ? [pid 5447] +++ exited with 0 +++ [pid 5446] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5446, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5449 attached , child_tidptr=0x555594fba690) = 5449 [pid 5449] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5449] setpgid(0, 0) = 0 [pid 5449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5449] write(3, "1000", 4) = 4 [pid 5449] close(3) = 0 executing program [pid 5449] write(1, "executing program\n", 18) = 18 [pid 5449] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5449] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5449] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5449] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5450 attached [pid 5450] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5449] <... clone3 resumed> => {parent_tid=[5450]}, 88) = 5450 [pid 5450] set_robust_list(0x7f38182c19a0, 24 [pid 5449] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] <... set_robust_list resumed>) = 0 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5450] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5449] <... futex resumed>) = 0 [pid 5450] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5449] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5449] <... futex resumed>) = 0 [pid 5450] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5449] <... futex resumed>) = 0 [pid 5450] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5449] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... mremap resumed>) = 0x20130000 [pid 5450] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5449] <... futex resumed>) = 0 [pid 5450] mlock(0x20000000, 8388608 [pid 5449] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5449] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... mlock resumed>) = 0 [pid 5450] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] exit(0) = ? [pid 5450] <... futex resumed>) = 1 [pid 5449] <... futex resumed>) = 0 [pid 5450] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5449] <... futex resumed>) = 0 [pid 5450] munmap(0x201a2000, 4096 [pid 5449] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... munmap resumed>) = 0 [pid 5450] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... futex resumed>) = 0 [pid 5448] +++ exited with 0 +++ [pid 5450] <... futex resumed>) = 1 [pid 5449] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5449] <... futex resumed>) = 0 [pid 5449] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... migrate_pages resumed>) = 0 [pid 5450] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5450] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] <... futex resumed>) = 0 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5449] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5449] <... futex resumed>) = 0 [pid 5449] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5451 attached [pid 5450] <... clone3 resumed>) = 5451 [pid 5450] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5449] <... futex resumed>) = 0 [pid 5449] exit_group(0 [pid 5450] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5449] <... exit_group resumed>) = ? [pid 5450] +++ exited with 0 +++ [pid 5449] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5449, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5452 attached , child_tidptr=0x555594fba690) = 5452 [pid 5452] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5452] setpgid(0, 0) = 0 [pid 5452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5452] write(3, "1000", 4) = 4 [pid 5452] close(3) = 0 [pid 5452] write(1, "executing program\n", 18executing program ) = 18 [pid 5452] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5452] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5452] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5453 attached [pid 5453] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5453] set_robust_list(0x7f38182c19a0, 24 [pid 5452] <... clone3 resumed> => {parent_tid=[5453]}, 88) = 5453 [pid 5453] <... set_robust_list resumed>) = 0 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5452] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... madvise resumed>) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5452] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5452] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5452] <... futex resumed>) = 0 [pid 5453] <... mremap resumed>) = 0x20130000 [pid 5452] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5451] exit(0 [pid 5453] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... exit resumed>) = ? [pid 5453] <... futex resumed>) = 1 [pid 5452] <... futex resumed>) = 0 [pid 5451] +++ exited with 0 +++ [pid 5453] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5452] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = 0 [pid 5453] mlock(0x20000000, 8388608 [pid 5452] <... futex resumed>) = 1 [pid 5452] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... mlock resumed>) = 0 [pid 5453] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5452] <... futex resumed>) = 0 [pid 5453] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5452] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] munmap(0x201a2000, 4096 [pid 5452] <... futex resumed>) = 0 [pid 5453] <... munmap resumed>) = 0 [pid 5452] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5453] <... futex resumed>) = 1 [pid 5452] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5452] <... futex resumed>) = 0 [pid 5452] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... migrate_pages resumed>) = 0 [pid 5453] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5453] <... futex resumed>) = 1 [pid 5452] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5452] <... futex resumed>) = 0 [pid 5452] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5454 attached [pid 5453] <... clone3 resumed>) = 5454 [pid 5453] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5453] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5452] <... futex resumed>) = 0 [pid 5452] exit_group(0 [pid 5453] <... futex resumed>) = ? [pid 5452] <... exit_group resumed>) = ? [pid 5453] +++ exited with 0 +++ [pid 5452] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5452, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5455 attached , child_tidptr=0x555594fba690) = 5455 [pid 5455] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5455] setpgid(0, 0) = 0 [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5455] write(3, "1000", 4) = 4 [pid 5455] close(3) = 0 [pid 5455] write(1, "executing program\n", 18executing program ) = 18 [pid 5455] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5455] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5456 attached [pid 5456] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5455] <... clone3 resumed> => {parent_tid=[5456]}, 88) = 5456 [pid 5456] <... rseq resumed>) = 0 [pid 5456] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5456] rt_sigprocmask(SIG_SETMASK, [], [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5455] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5454] exit(0 [pid 5456] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... exit resumed>) = ? [pid 5456] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5456] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5455] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5456] <... mremap resumed>) = 0x20130000 [pid 5455] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5454] +++ exited with 0 +++ [pid 5456] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5456] mlock(0x20000000, 8388608 [pid 5455] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] <... mlock resumed>) = 0 [pid 5456] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5456] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] munmap(0x201a2000, 4096 [pid 5455] <... futex resumed>) = 0 [pid 5455] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] <... munmap resumed>) = 0 [pid 5456] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5456] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5456] <... futex resumed>) = 0 [pid 5456] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5455] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] <... migrate_pages resumed>) = 0 [pid 5456] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 1 [pid 5455] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5455] <... futex resumed>) = 0 [pid 5455] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5457 attached [pid 5456] <... clone3 resumed>) = 5457 [pid 5456] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5455] exit_group(0) = ? [pid 5456] +++ exited with 0 +++ [pid 5455] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5458 attached , child_tidptr=0x555594fba690) = 5458 [pid 5458] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5458] setpgid(0, 0) = 0 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5458] write(3, "1000", 4) = 4 [pid 5458] close(3) = 0 [pid 5458] write(1, "executing program\n", 18executing program ) = 18 [pid 5458] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5458] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5458] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5459 attached [pid 5459] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5458] <... clone3 resumed> => {parent_tid=[5459]}, 88) = 5459 [pid 5459] set_robust_list(0x7f38182c19a0, 24 [pid 5458] rt_sigprocmask(SIG_SETMASK, [], [pid 5459] <... set_robust_list resumed>) = 0 [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5458] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] <... futex resumed>) = 0 [pid 5459] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5458] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] <... madvise resumed>) = 0 [pid 5459] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5459] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5458] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... mremap resumed>) = 0x20130000 [pid 5458] <... futex resumed>) = 0 [pid 5458] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] exit(0) = ? [pid 5459] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5459] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] mlock(0x20000000, 8388608 [pid 5458] <... futex resumed>) = 0 [pid 5458] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] +++ exited with 0 +++ [pid 5459] <... mlock resumed>) = 0 [pid 5459] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5459] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] munmap(0x201a2000, 4096) = 0 [pid 5459] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5458] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5458] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a]) = 0 [pid 5459] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = 0 [pid 5459] <... futex resumed>) = 1 [pid 5458] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5458] <... futex resumed>) = 0 [pid 5458] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5460 attached [pid 5459] <... clone3 resumed>) = 5460 [pid 5459] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5459] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] exit_group(0 [pid 5459] <... futex resumed>) = ? [pid 5458] <... exit_group resumed>) = ? [pid 5459] +++ exited with 0 +++ [pid 5458] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5458, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5461 attached , child_tidptr=0x555594fba690) = 5461 [pid 5461] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5461] setpgid(0, 0) = 0 [pid 5461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5461] write(3, "1000", 4) = 4 [pid 5461] close(3) = 0 executing program [pid 5461] write(1, "executing program\n", 18) = 18 [pid 5461] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5461] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5461] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5462 attached [pid 5462] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5461] <... clone3 resumed> => {parent_tid=[5462]}, 88) = 5462 [pid 5462] <... rseq resumed>) = 0 [pid 5462] set_robust_list(0x7f38182c19a0, 24 [pid 5461] rt_sigprocmask(SIG_SETMASK, [], [pid 5462] <... set_robust_list resumed>) = 0 [pid 5462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5462] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5461] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 0 [pid 5461] <... futex resumed>) = 1 [pid 5462] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5461] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... madvise resumed>) = 0 [pid 5462] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5460] exit(0 [pid 5462] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5461] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... exit resumed>) = ? [pid 5462] <... mremap resumed>) = 0x20130000 [pid 5462] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 5462] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] <... futex resumed>) = 1 [pid 5461] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 0 [pid 5461] <... futex resumed>) = 1 [pid 5462] mlock(0x20000000, 8388608 [pid 5461] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] +++ exited with 0 +++ [pid 5462] <... mlock resumed>) = 0 [pid 5462] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5462] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5461] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] munmap(0x201a2000, 4096) = 0 [pid 5462] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] <... futex resumed>) = 0 [pid 5462] <... futex resumed>) = 1 [pid 5461] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5461] <... futex resumed>) = 0 [pid 5461] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... migrate_pages resumed>) = 0 [pid 5462] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] <... futex resumed>) = 0 [pid 5462] <... futex resumed>) = 1 [pid 5461] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5461] <... futex resumed>) = 0 [pid 5461] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5463 attached [pid 5462] <... clone3 resumed>) = 5463 [pid 5462] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5462] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] exit_group(0 [pid 5462] <... futex resumed>) = ? [pid 5461] <... exit_group resumed>) = ? [pid 5462] +++ exited with 0 +++ [pid 5461] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5461, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5464 attached , child_tidptr=0x555594fba690) = 5464 [pid 5464] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5464] setpgid(0, 0) = 0 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5464] write(3, "1000", 4) = 4 [pid 5464] close(3) = 0 executing program [pid 5464] write(1, "executing program\n", 18) = 18 [pid 5464] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5464] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5464] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5465 attached [pid 5465] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5464] <... clone3 resumed> => {parent_tid=[5465]}, 88) = 5465 [pid 5465] set_robust_list(0x7f38182c19a0, 24 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] <... set_robust_list resumed>) = 0 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5464] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5464] <... futex resumed>) = 0 [pid 5465] <... madvise resumed>) = 0 [pid 5464] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5465] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5464] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... mremap resumed>) = 0x20130000 [pid 5464] <... futex resumed>) = 0 [pid 5465] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5465] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... futex resumed>) = 0 [pid 5464] <... futex resumed>) = 1 [pid 5465] mlock(0x20000000, 8388608 [pid 5464] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] exit(0 [pid 5465] <... mlock resumed>) = 0 [pid 5463] <... exit resumed>) = ? [pid 5465] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5465] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] <... futex resumed>) = 0 [pid 5465] munmap(0x201a2000, 4096) = 0 [pid 5464] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] +++ exited with 0 +++ [pid 5465] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5465] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] <... futex resumed>) = 0 [pid 5465] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5464] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... migrate_pages resumed>) = 0 [pid 5465] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5465] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5464] <... futex resumed>) = 0 [pid 5464] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5466 attached [pid 5465] <... clone3 resumed>) = 5466 [pid 5465] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5465] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] exit_group(0) = ? [pid 5465] <... futex resumed>) = ? [pid 5465] +++ exited with 0 +++ [pid 5464] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5467 attached , child_tidptr=0x555594fba690) = 5467 [pid 5467] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5467] setpgid(0, 0) = 0 [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5467] write(3, "1000", 4) = 4 [pid 5467] close(3) = 0 executing program [pid 5467] write(1, "executing program\n", 18) = 18 [pid 5467] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5467] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5468 attached [pid 5468] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5468] set_robust_list(0x7f38182c19a0, 24 [pid 5467] <... clone3 resumed> => {parent_tid=[5468]}, 88) = 5468 [pid 5468] <... set_robust_list resumed>) = 0 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] rt_sigprocmask(SIG_SETMASK, [], [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5467] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5467] <... futex resumed>) = 0 [pid 5468] <... madvise resumed>) = 0 [pid 5467] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5468] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5468] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5467] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5466] exit(0 [pid 5468] <... mremap resumed>) = 0x20130000 [pid 5466] <... exit resumed>) = ? [pid 5468] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5468] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] <... futex resumed>) = 0 [pid 5467] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 1 [pid 5467] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] mlock(0x20000000, 8388608) = 0 [pid 5466] +++ exited with 0 +++ [pid 5468] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5468] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5468] munmap(0x201a2000, 4096 [pid 5467] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] <... munmap resumed>) = 0 [pid 5468] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5468] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5468] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5467] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] <... migrate_pages resumed>) = 0 [pid 5468] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = 0 [pid 5468] <... futex resumed>) = 1 [pid 5467] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5467] <... futex resumed>) = 0 [pid 5467] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5469 attached [pid 5468] <... clone3 resumed>) = 5469 [pid 5468] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5468] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] <... futex resumed>) = 0 [pid 5467] exit_group(0) = ? [pid 5468] <... futex resumed>) = ? [pid 5468] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5467, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5470 attached , child_tidptr=0x555594fba690) = 5470 [pid 5470] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5470] setpgid(0, 0) = 0 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5470] write(3, "1000", 4) = 4 [pid 5470] close(3) = 0 executing program [pid 5470] write(1, "executing program\n", 18) = 18 [pid 5470] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5470] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5470] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5470] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0} [pid 5469] exit(0./strace-static-x86_64: Process 5471 attached ) = ? [pid 5471] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5471] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5471] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] <... clone3 resumed> => {parent_tid=[5471]}, 88) = 5471 [pid 5470] rt_sigprocmask(SIG_SETMASK, [], [pid 5469] +++ exited with 0 +++ [pid 5470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = 0 [pid 5470] <... futex resumed>) = 1 [pid 5471] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5470] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... madvise resumed>) = 0 [pid 5471] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5471] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5470] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... mremap resumed>) = 0x20130000 [pid 5470] <... futex resumed>) = 0 [pid 5471] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... futex resumed>) = 0 [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5470] <... futex resumed>) = 0 [pid 5471] mlock(0x20000000, 8388608 [pid 5470] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... mlock resumed>) = 0 [pid 5471] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5471] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5470] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] munmap(0x201a2000, 4096 [pid 5470] <... futex resumed>) = 0 [pid 5470] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... munmap resumed>) = 0 [pid 5471] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5470] <... futex resumed>) = 0 [pid 5471] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5470] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... migrate_pages resumed>) = 0 [pid 5471] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5471] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5470] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5470] <... futex resumed>) = 0 [pid 5470] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5472 attached [pid 5471] <... clone3 resumed>) = 5472 [pid 5471] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5471] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] exit_group(0) = ? [pid 5471] <... futex resumed>) = ? [pid 5471] +++ exited with 0 +++ [pid 5470] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5473 attached , child_tidptr=0x555594fba690) = 5473 [pid 5473] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5473] setpgid(0, 0) = 0 [pid 5473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5473] write(3, "1000", 4) = 4 [pid 5473] close(3) = 0 executing program [pid 5473] write(1, "executing program\n", 18) = 18 [pid 5473] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5473] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5473] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5474 attached [pid 5474] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5474] set_robust_list(0x7f38182c19a0, 24 [pid 5473] <... clone3 resumed> => {parent_tid=[5474]}, 88) = 5474 [pid 5474] <... set_robust_list resumed>) = 0 [pid 5473] rt_sigprocmask(SIG_SETMASK, [], [pid 5474] rt_sigprocmask(SIG_SETMASK, [], [pid 5473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5473] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5473] <... futex resumed>) = 0 [pid 5474] <... madvise resumed>) = 0 [pid 5473] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5474] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = 0 [pid 5473] <... futex resumed>) = 1 [pid 5472] exit(0 [pid 5473] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5472] <... exit resumed>) = ? [pid 5474] <... mremap resumed>) = 0x20130000 [pid 5474] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5474] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5473] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] mlock(0x20000000, 8388608 [pid 5472] +++ exited with 0 +++ [pid 5474] <... mlock resumed>) = 0 [pid 5474] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5474] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5474] munmap(0x201a2000, 4096 [pid 5473] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] <... munmap resumed>) = 0 [pid 5474] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5473] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5473] <... futex resumed>) = 0 [pid 5473] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] <... migrate_pages resumed>) = 0 [pid 5474] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5474] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5474] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5473] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5475 attached [pid 5474] <... clone3 resumed>) = 5475 [pid 5474] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5474] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] exit_group(0 [pid 5474] <... futex resumed>) = ? [pid 5474] +++ exited with 0 +++ [pid 5473] <... exit_group resumed>) = ? [pid 5473] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5473, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5476 attached , child_tidptr=0x555594fba690) = 5476 [pid 5476] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5476] setpgid(0, 0) = 0 [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5476] write(3, "1000", 4) = 4 [pid 5476] close(3) = 0 executing program [pid 5476] write(1, "executing program\n", 18) = 18 [pid 5476] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5476] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5476] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5477 attached [pid 5477] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5476] <... clone3 resumed> => {parent_tid=[5477]}, 88) = 5477 [pid 5477] set_robust_list(0x7f38182c19a0, 24 [pid 5476] rt_sigprocmask(SIG_SETMASK, [], [pid 5477] <... set_robust_list resumed>) = 0 [pid 5476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5477] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5476] <... futex resumed>) = 0 [pid 5477] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5476] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] <... madvise resumed>) = 0 [pid 5477] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] exit(0 [pid 5477] <... futex resumed>) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5475] <... exit resumed>) = ? [pid 5477] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000) = 0x20130000 [pid 5477] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 0 [pid 5475] +++ exited with 0 +++ [pid 5477] <... futex resumed>) = 0 [pid 5477] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = 0 [pid 5476] <... futex resumed>) = 1 [pid 5477] mlock(0x20000000, 8388608 [pid 5476] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] <... mlock resumed>) = 0 [pid 5477] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5477] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] munmap(0x201a2000, 4096 [pid 5476] <... futex resumed>) = 0 [pid 5477] <... munmap resumed>) = 0 [pid 5476] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 0 [pid 5477] <... futex resumed>) = 1 [pid 5477] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5476] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5476] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] <... migrate_pages resumed>) = 0 [pid 5477] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 0 [pid 5477] <... futex resumed>) = 1 [pid 5476] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5476] <... futex resumed>) = 0 [pid 5476] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5478 attached [pid 5477] <... clone3 resumed>) = 5478 [pid 5477] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5477] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] exit_group(0 [pid 5477] <... futex resumed>) = ? [pid 5476] <... exit_group resumed>) = ? [pid 5477] +++ exited with 0 +++ [pid 5476] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5479 attached , child_tidptr=0x555594fba690) = 5479 [pid 5479] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5479] setpgid(0, 0) = 0 [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5479] write(3, "1000", 4) = 4 [pid 5479] close(3) = 0 executing program [pid 5479] write(1, "executing program\n", 18) = 18 [pid 5479] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5479] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5479] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5480 attached [pid 5480] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5479] <... clone3 resumed> => {parent_tid=[5480]}, 88) = 5480 [pid 5480] set_robust_list(0x7f38182c19a0, 24 [pid 5479] rt_sigprocmask(SIG_SETMASK, [], [pid 5480] <... set_robust_list resumed>) = 0 [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5480] rt_sigprocmask(SIG_SETMASK, [], [pid 5479] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5480] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5479] <... futex resumed>) = 0 [pid 5480] <... madvise resumed>) = 0 [pid 5479] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5479] <... futex resumed>) = 0 [pid 5479] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... mremap resumed>) = 0x20130000 [pid 5480] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5480] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] mlock(0x20000000, 8388608 [pid 5478] exit(0 [pid 5480] <... mlock resumed>) = 0 [pid 5478] <... exit resumed>) = ? [pid 5480] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5480] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] munmap(0x201a2000, 4096 [pid 5479] <... futex resumed>) = 0 [pid 5480] <... munmap resumed>) = 0 [pid 5479] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5478] +++ exited with 0 +++ [pid 5480] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5480] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5479] <... futex resumed>) = 0 [pid 5480] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5479] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... migrate_pages resumed>) = 0 [pid 5480] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5480] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5479] <... futex resumed>) = 0 [pid 5480] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5479] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5481 attached [pid 5480] <... clone3 resumed>) = 5481 [pid 5480] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5480] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] exit_group(0 [pid 5480] <... futex resumed>) = ? [pid 5479] <... exit_group resumed>) = ? [pid 5480] +++ exited with 0 +++ [pid 5479] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5479, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5482 attached , child_tidptr=0x555594fba690) = 5482 [pid 5482] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5482] setpgid(0, 0) = 0 [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5482] write(3, "1000", 4) = 4 [pid 5482] close(3) = 0 executing program [pid 5482] write(1, "executing program\n", 18) = 18 [pid 5482] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5482] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5482] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5483 attached [pid 5483] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5482] <... clone3 resumed> => {parent_tid=[5483]}, 88) = 5483 [pid 5483] set_robust_list(0x7f38182c19a0, 24 [pid 5482] rt_sigprocmask(SIG_SETMASK, [], [pid 5483] <... set_robust_list resumed>) = 0 [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5482] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5482] <... futex resumed>) = 0 [pid 5483] <... madvise resumed>) = 0 [pid 5482] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5483] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5482] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... mremap resumed>) = 0x20130000 [pid 5482] <... futex resumed>) = 0 [pid 5483] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... futex resumed>) = 0 [pid 5483] mlock(0x20000000, 8388608 [pid 5482] <... futex resumed>) = 1 [pid 5482] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5481] exit(0) = ? [pid 5483] <... mlock resumed>) = 0 [pid 5483] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] +++ exited with 0 +++ [pid 5483] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5483] munmap(0x201a2000, 4096 [pid 5482] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... munmap resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5482] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5483] <... futex resumed>) = 0 [pid 5482] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5482] <... futex resumed>) = 0 [pid 5482] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] <... migrate_pages resumed>) = 0 [pid 5483] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... futex resumed>) = 0 [pid 5483] <... futex resumed>) = 1 [pid 5482] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5482] <... futex resumed>) = 0 [pid 5482] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5484 attached [pid 5483] <... clone3 resumed>) = 5484 [pid 5483] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... futex resumed>) = 0 [pid 5483] <... futex resumed>) = 1 [pid 5482] exit_group(0) = ? [pid 5483] +++ exited with 0 +++ [pid 5482] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5485 attached , child_tidptr=0x555594fba690) = 5485 [pid 5485] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5485] setpgid(0, 0) = 0 [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5485] write(3, "1000", 4) = 4 [pid 5485] close(3) = 0 [pid 5485] write(1, "executing program\n", 18executing program ) = 18 [pid 5485] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5485] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5486 attached [pid 5486] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5485] <... clone3 resumed> => {parent_tid=[5486]}, 88) = 5486 [pid 5486] <... rseq resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5486] set_robust_list(0x7f38182c19a0, 24 [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] <... set_robust_list resumed>) = 0 [pid 5485] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] <... futex resumed>) = 0 [pid 5486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5486] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5486] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000) = 0x20130000 [pid 5486] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5485] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] mlock(0x20000000, 8388608) = 0 [pid 5486] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5486] munmap(0x201a2000, 4096 [pid 5485] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... munmap resumed>) = 0 [pid 5485] <... futex resumed>) = 0 [pid 5486] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5486] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 1 [pid 5486] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5485] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] exit(0 [pid 5486] <... migrate_pages resumed>) = 0 [pid 5484] <... exit resumed>) = ? [pid 5486] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5486] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5486] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5485] <... futex resumed>) = 0 [pid 5485] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5487 attached [pid 5486] <... clone3 resumed>) = 5487 [pid 5484] +++ exited with 0 +++ [pid 5486] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5486] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] exit_group(0) = ? [pid 5486] <... futex resumed>) = ? [pid 5486] +++ exited with 0 +++ [pid 5485] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5488 attached , child_tidptr=0x555594fba690) = 5488 [pid 5488] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5488] setpgid(0, 0) = 0 [pid 5488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5488] write(3, "1000", 4) = 4 [pid 5488] close(3) = 0 executing program [pid 5488] write(1, "executing program\n", 18) = 18 [pid 5488] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5488] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5488] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5489 attached [pid 5489] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5488] <... clone3 resumed> => {parent_tid=[5489]}, 88) = 5489 [pid 5488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5489] <... rseq resumed>) = 0 [pid 5489] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5489] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = 0 [pid 5489] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5488] <... futex resumed>) = 1 [pid 5489] <... madvise resumed>) = 0 [pid 5488] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5489] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] <... futex resumed>) = 0 [pid 5489] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5488] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... mremap resumed>) = 0x20130000 [pid 5489] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5489] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] <... futex resumed>) = 0 [pid 5489] mlock(0x20000000, 8388608 [pid 5488] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... mlock resumed>) = 0 [pid 5489] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5489] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] munmap(0x201a2000, 4096 [pid 5488] <... futex resumed>) = 0 [pid 5488] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... munmap resumed>) = 0 [pid 5489] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5489] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] <... futex resumed>) = 0 [pid 5488] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5489] <... futex resumed>) = 0 [pid 5488] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5487] exit(0) = ? [pid 5489] <... migrate_pages resumed>) = 0 [pid 5489] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5489] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] +++ exited with 0 +++ [pid 5488] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = 0 [pid 5488] <... futex resumed>) = 1 [pid 5489] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5488] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5490 attached [pid 5489] <... clone3 resumed>) = 5490 [pid 5489] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5489] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] exit_group(0) = ? [pid 5489] <... futex resumed>) = ? [pid 5489] +++ exited with 0 +++ [pid 5488] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5488, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5491 attached , child_tidptr=0x555594fba690) = 5491 [pid 5491] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5491] setpgid(0, 0) = 0 [pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5491] write(3, "1000", 4) = 4 [pid 5491] close(3) = 0 executing program [pid 5491] write(1, "executing program\n", 18) = 18 [pid 5491] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5491] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5492 attached [pid 5492] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5492] set_robust_list(0x7f38182c19a0, 24 [pid 5491] <... clone3 resumed> => {parent_tid=[5492]}, 88) = 5492 [pid 5492] <... set_robust_list resumed>) = 0 [pid 5491] rt_sigprocmask(SIG_SETMASK, [], [pid 5492] rt_sigprocmask(SIG_SETMASK, [], [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5491] <... futex resumed>) = 0 [pid 5492] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... futex resumed>) = 0 [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5492] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5491] <... futex resumed>) = 0 [pid 5491] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... mremap resumed>) = 0x20130000 [pid 5492] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = 0 [pid 5492] <... futex resumed>) = 1 [pid 5491] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] mlock(0x20000000, 8388608 [pid 5491] <... futex resumed>) = 0 [pid 5491] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5490] exit(0) = ? [pid 5492] <... mlock resumed>) = 0 [pid 5492] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5492] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] <... futex resumed>) = 0 [pid 5490] +++ exited with 0 +++ [pid 5491] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... futex resumed>) = 0 [pid 5491] <... futex resumed>) = 1 [pid 5492] munmap(0x201a2000, 4096 [pid 5491] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... munmap resumed>) = 0 [pid 5492] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = 0 [pid 5492] <... futex resumed>) = 1 [pid 5491] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5491] <... futex resumed>) = 0 [pid 5491] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... migrate_pages resumed>) = 0 [pid 5492] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5492] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = 0 [pid 5492] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5491] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5493 attached [pid 5492] <... clone3 resumed>) = 5493 [pid 5492] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5492] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] exit_group(0 [pid 5492] <... futex resumed>) = ? [pid 5492] +++ exited with 0 +++ [pid 5491] <... exit_group resumed>) = ? [pid 5491] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5491, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5494 attached , child_tidptr=0x555594fba690) = 5494 [pid 5494] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5494] setpgid(0, 0) = 0 [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5494] write(3, "1000", 4) = 4 [pid 5494] close(3) = 0 executing program [pid 5494] write(1, "executing program\n", 18) = 18 [pid 5494] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5494] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5495 attached [pid 5495] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5494] <... clone3 resumed> => {parent_tid=[5495]}, 88) = 5495 [pid 5495] set_robust_list(0x7f38182c19a0, 24 [pid 5494] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] <... set_robust_list resumed>) = 0 [pid 5494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5495] rt_sigprocmask(SIG_SETMASK, [], [pid 5494] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] <... futex resumed>) = 0 [pid 5493] exit(0 [pid 5495] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5494] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] <... exit resumed>) = ? [pid 5495] <... madvise resumed>) = 0 [pid 5495] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5495] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5494] <... futex resumed>) = 0 [pid 5495] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5494] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... mremap resumed>) = 0x20130000 [pid 5495] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] +++ exited with 0 +++ [pid 5495] <... futex resumed>) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5495] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5494] <... futex resumed>) = 0 [pid 5495] mlock(0x20000000, 8388608 [pid 5494] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... mlock resumed>) = 0 [pid 5495] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5495] munmap(0x201a2000, 4096 [pid 5494] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... munmap resumed>) = 0 [pid 5494] <... futex resumed>) = 0 [pid 5495] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... futex resumed>) = 0 [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5494] <... futex resumed>) = 0 [pid 5495] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5494] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... migrate_pages resumed>) = 0 [pid 5495] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5495] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5494] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5496 attached [pid 5494] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... clone3 resumed>) = 5496 [pid 5495] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5495] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] exit_group(0 [pid 5495] <... futex resumed>) = ? [pid 5494] <... exit_group resumed>) = ? [pid 5495] +++ exited with 0 +++ [pid 5494] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5494, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5497 attached , child_tidptr=0x555594fba690) = 5497 [pid 5497] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5497] setpgid(0, 0) = 0 [pid 5497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5497] write(3, "1000", 4) = 4 [pid 5497] close(3) = 0 executing program [pid 5497] write(1, "executing program\n", 18) = 18 [pid 5497] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5497] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5497] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5498 attached [pid 5498] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053 [pid 5497] <... clone3 resumed> => {parent_tid=[5498]}, 88) = 5498 [pid 5498] <... rseq resumed>) = 0 [pid 5497] rt_sigprocmask(SIG_SETMASK, [], [pid 5496] exit(0 [pid 5498] set_robust_list(0x7f38182c19a0, 24 [pid 5496] <... exit resumed>) = ? [pid 5498] <... set_robust_list resumed>) = 0 [pid 5497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5498] rt_sigprocmask(SIG_SETMASK, [], [pid 5497] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] <... futex resumed>) = 0 [pid 5498] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5497] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] <... madvise resumed>) = 0 [pid 5496] +++ exited with 0 +++ [pid 5498] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5498] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5498] <... futex resumed>) = 0 [pid 5498] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5497] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] <... mremap resumed>) = 0x20130000 [pid 5498] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... futex resumed>) = 0 [pid 5498] <... futex resumed>) = 1 [pid 5497] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] mlock(0x20000000, 8388608 [pid 5497] <... futex resumed>) = 0 [pid 5497] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] <... mlock resumed>) = 0 [pid 5498] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5498] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5497] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] munmap(0x201a2000, 4096 [pid 5497] <... futex resumed>) = 0 [pid 5498] <... munmap resumed>) = 0 [pid 5497] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5498] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5497] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5497] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] <... migrate_pages resumed>) = 0 [pid 5498] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5498] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5497] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5497] <... futex resumed>) = 0 [pid 5497] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5499 attached [pid 5498] <... clone3 resumed>) = 5499 [pid 5498] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5497] exit_group(0 [pid 5498] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] <... exit_group resumed>) = ? [pid 5498] <... futex resumed>) = ? [pid 5498] +++ exited with 0 +++ [pid 5497] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5497, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5500 attached , child_tidptr=0x555594fba690) = 5500 [pid 5500] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5500] setpgid(0, 0) = 0 [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5500] write(3, "1000", 4) = 4 [pid 5500] close(3) = 0 executing program [pid 5500] write(1, "executing program\n", 18) = 18 [pid 5500] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5500] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5500] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5501 attached [pid 5501] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5500] <... clone3 resumed> => {parent_tid=[5501]}, 88) = 5501 [pid 5499] exit(0 [pid 5501] set_robust_list(0x7f38182c19a0, 24 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5499] <... exit resumed>) = ? [pid 5501] <... set_robust_list resumed>) = 0 [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5500] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5500] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5501] madvise(0x20a93000, 16384, MADV_HUGEPAGE) = 0 [pid 5501] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5501] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... futex resumed>) = 0 [pid 5499] +++ exited with 0 +++ [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5500] <... futex resumed>) = 0 [pid 5500] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... mremap resumed>) = 0x20130000 [pid 5501] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5500] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] mlock(0x20000000, 8388608 [pid 5500] <... futex resumed>) = 0 [pid 5500] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... mlock resumed>) = 0 [pid 5501] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5500] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] munmap(0x201a2000, 4096 [pid 5500] <... futex resumed>) = 0 [pid 5500] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... munmap resumed>) = 0 [pid 5501] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5500] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5500] <... futex resumed>) = 0 [pid 5500] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... migrate_pages resumed>) = 0 [pid 5501] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5501] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5500] <... futex resumed>) = 0 [pid 5500] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5502 attached [pid 5501] <... clone3 resumed>) = 5502 [pid 5501] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5501] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] exit_group(0 [pid 5501] <... futex resumed>) = ? [pid 5500] <... exit_group resumed>) = ? [pid 5501] +++ exited with 0 +++ [pid 5500] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5500, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5503 attached , child_tidptr=0x555594fba690) = 5503 [pid 5503] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5503] setpgid(0, 0) = 0 [pid 5503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5503] write(3, "1000", 4) = 4 [pid 5503] close(3) = 0 [pid 5503] write(1, "executing program\n", 18executing program ) = 18 [pid 5503] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5503] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5503] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5504 attached [pid 5504] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5504] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5503] <... clone3 resumed> => {parent_tid=[5504]}, 88) = 5504 [pid 5504] rt_sigprocmask(SIG_SETMASK, [], [pid 5503] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] <... futex resumed>) = 0 [pid 5504] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5502] exit(0) = ? [pid 5503] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... madvise resumed>) = 0 [pid 5504] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = 1 [pid 5503] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000 [pid 5503] <... futex resumed>) = 0 [pid 5504] <... mremap resumed>) = 0x20130000 [pid 5503] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5502] +++ exited with 0 +++ [pid 5504] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5504] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] <... futex resumed>) = 0 [pid 5504] mlock(0x20000000, 8388608 [pid 5503] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... mlock resumed>) = 0 [pid 5504] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5504] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5504] <... futex resumed>) = 0 [pid 5503] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] munmap(0x201a2000, 4096) = 0 [pid 5504] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5504] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] <... futex resumed>) = 0 [pid 5504] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5503] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... migrate_pages resumed>) = 0 [pid 5504] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5504] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5504] clone3({flags=CLONE_NEWTIME, exit_signal=SIGRT_30, stack=NULL, stack_size=0, cgroup=4294967295}, 88 [pid 5503] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5505 attached [pid 5504] <... clone3 resumed>) = 5505 [pid 5504] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5504] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] <... futex resumed>) = 0 [pid 5503] exit_group(0 [pid 5504] <... futex resumed>) = ? [pid 5503] <... exit_group resumed>) = ? [pid 5504] +++ exited with 0 +++ [pid 5503] +++ exited with 0 +++ [pid 5249] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5503, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5249] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5249] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5506 attached , child_tidptr=0x555594fba690) = 5506 [pid 5506] set_robust_list(0x555594fba6a0, 24) = 0 [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5506] setpgid(0, 0) = 0 [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5506] write(3, "1000", 4) = 4 [pid 5506] close(3) = 0 [pid 5506] write(1, "executing program\n", 18executing program ) = 18 [pid 5506] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] rt_sigaction(SIGRT_1, {sa_handler=0x7f381832c360, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f381831d9e0}, NULL, 8) = 0 [pid 5506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f38182a1000 [pid 5506] mprotect(0x7f38182a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182c1990, parent_tid=0x7f38182c1990, exit_signal=0, stack=0x7f38182a1000, stack_size=0x20300, tls=0x7f38182c16c0}./strace-static-x86_64: Process 5507 attached [pid 5507] rseq(0x7f38182c1fe0, 0x20, 0, 0x53053053) = 0 [pid 5506] <... clone3 resumed> => {parent_tid=[5507]}, 88) = 5507 [pid 5507] set_robust_list(0x7f38182c19a0, 24) = 0 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] madvise(0x20a93000, 16384, MADV_HUGEPAGE [pid 5506] <... futex resumed>) = 0 [pid 5507] <... madvise resumed>) = 0 [pid 5506] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = 0 [pid 5506] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... futex resumed>) = 1 [pid 5506] <... futex resumed>) = 0 [pid 5506] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] mremap(0x20a96000, 4096, 8388608, MREMAP_MAYMOVE|MREMAP_FIXED, 0x20130000) = 0x20130000 [pid 5507] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5506] <... futex resumed>) = 0 [pid 5506] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] mlock(0x20000000, 8388608 [pid 5506] <... futex resumed>) = 0 [pid 5506] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] exit(0) = ? [pid 5507] <... mlock resumed>) = 0 [pid 5505] +++ exited with 0 +++ [pid 5507] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5506] <... futex resumed>) = 0 [pid 5507] futex(0x7f3818390308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5506] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5506] <... futex resumed>) = 0 [pid 5507] munmap(0x201a2000, 4096 [pid 5506] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... munmap resumed>) = 0 [pid 5507] futex(0x7f381839030c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = 0 [pid 5506] futex(0x7f3818390308, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... futex resumed>) = 1 [pid 5507] migrate_pages(0, 3, [0x0000000000007f], [0x0000000000000a] [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5506] futex(0x7f381839030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5506] futex(0x7f381839031c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3818280000 [pid 5506] mprotect(0x7f3818281000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f38182a0990, parent_tid=0x7f38182a0990, exit_signal=0, stack=0x7f3818280000, stack_size=0x20300, tls=0x7f38182a06c0}./strace-static-x86_64: Process 5508 attached => {parent_tid=[5508]}, 88) = 5508 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5506] futex(0x7f3818390318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] futex(0x7f381839031c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] rseq(0x7f38182a0fe0, 0x20, 0, 0x53053053) = 0 [pid 5508] set_robust_list(0x7f38182a09a0, 24) = 0 [pid 5508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 143.450169][ T5508] ------------[ cut here ]------------ [ 143.456095][ T5508] WARNING: CPU: 1 PID: 5508 at mm/huge_memory.c:1602 copy_huge_pmd+0x102c/0x1c60 [ 143.465442][ T5508] Modules linked in: [ 143.469425][ T5508] CPU: 1 UID: 0 PID: 5508 Comm: syz-executor274 Not tainted 6.11.0-syzkaller-08481-g88264981f208 #0 [ 143.480234][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 143.490420][ T5508] RIP: 0010:copy_huge_pmd+0x102c/0x1c60 [ 143.495994][ T5508] Code: ff 90 0f 0b 90 e9 2e f5 ff ff e8 8f fc 92 ff 48 ff cb e9 0f f7 ff ff e8 82 fc 92 ff 48 ff cb e9 8a f7 ff ff e8 75 fc 92 ff 90 <0f> 0b 90 e9 11 fd ff ff 4c 8d ac 24 00 01 00 00 48 b8 06 fe ff ff [ 143.515786][ T5508] RSP: 0018:ffffc90003cdf0c0 EFLAGS: 00010293 [ 143.521916][ T5508] RAX: ffffffff8201bd3b RBX: ffff88803090c118 RCX: ffff8880317a9e00 [ 143.529925][ T5508] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 143.537999][ T5508] RBP: ffffc90003cdf248 R08: ffffffff8201bc06 R09: 1ffffffff2038ef5 [ 143.545988][ T5508] R10: dffffc0000000000 R11: fffffbfff2038ef6 R12: ffff88802fab89c0 [ 143.554016][ T5508] R13: d7ffe7fff1cbfe02 R14: 0000000000000020 R15: ffff888031e5b780 [ 143.562125][ T5508] FS: 00007f38182a06c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 143.571136][ T5508] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.577830][ T5508] CR2: 00007f381831d9f0 CR3: 000000007b18c000 CR4: 00000000003506f0 [ 143.585842][ T5508] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 143.593859][ T5508] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 143.601982][ T5508] Call Trace: [ 143.605275][ T5508] [ 143.608249][ T5508] ? __warn+0x168/0x4e0 [ 143.612434][ T5508] ? copy_huge_pmd+0x102c/0x1c60 [ 143.617593][ T5508] ? report_bug+0x2b3/0x500 [ 143.622135][ T5508] ? copy_huge_pmd+0x102c/0x1c60 [ 143.627175][ T5508] ? handle_bug+0x60/0x90 [ 143.631526][ T5508] ? exc_invalid_op+0x1a/0x50 [ 143.636213][ T5508] ? asm_exc_invalid_op+0x1a/0x20 [ 143.641295][ T5508] ? copy_huge_pmd+0xef6/0x1c60 [ 143.646184][ T5508] ? copy_huge_pmd+0x102b/0x1c60 [ 143.651155][ T5508] ? copy_huge_pmd+0x102c/0x1c60 [ 143.656123][ T5508] ? __pfx_copy_huge_pmd+0x10/0x10 [ 143.661308][ T5508] ? copy_pmd_range+0x7b35/0x85f0 [ 143.666352][ T5508] ? __pfx___might_resched+0x10/0x10 [ 143.671688][ T5508] ? __page_table_check_ptes_set+0x30f/0x410 [ 143.677751][ T5508] ? do_raw_spin_unlock+0x13c/0x8b0 [ 143.683042][ T5508] copy_pmd_range+0x425/0x85f0 [ 143.687899][ T5508] ? __pfx_validate_chain+0x10/0x10 [ 143.693136][ T5508] ? mas_destroy+0x197c/0x1fe0 [ 143.698141][ T5508] ? __pfx_copy_pmd_range+0x10/0x10 [ 143.703370][ T5508] ? mark_lock+0x9a/0x360 [ 143.707773][ T5508] ? __lock_acquire+0x1384/0x2050 [ 143.712847][ T5508] ? mas_wr_store_type+0xda8/0x1bc0 [ 143.718137][ T5508] copy_page_range+0x99f/0xe90 [ 143.722930][ T5508] ? __pfx_copy_page_range+0x10/0x10 [ 143.728268][ T5508] ? __pfx_up_write+0x10/0x10 [ 143.732976][ T5508] copy_mm+0x11fb/0x1f40 [ 143.737306][ T5508] ? __pfx_copy_mm+0x10/0x10 [ 143.741923][ T5508] ? __init_rwsem+0x122/0x160 [ 143.746631][ T5508] ? copy_signal+0x52a/0x650 [ 143.751293][ T5508] copy_process+0x1845/0x3d50 [ 143.756002][ T5508] ? copy_process+0x9fa/0x3d50 [ 143.760812][ T5508] ? __pfx_copy_process+0x10/0x10 [ 143.765850][ T5508] ? __might_fault+0xc6/0x120 [ 143.770592][ T5508] ? __asan_memset+0x23/0x50 [ 143.775199][ T5508] kernel_clone+0x226/0x8f0 [ 143.779777][ T5508] ? __pfx_kernel_clone+0x10/0x10 [ 143.784826][ T5508] __se_sys_clone3+0x2cb/0x350 [ 143.789657][ T5508] ? __pfx___se_sys_clone3+0x10/0x10 [ 143.794980][ T5508] ? do_syscall_64+0x100/0x230 [ 143.799790][ T5508] do_syscall_64+0xf3/0x230 [ 143.804301][ T5508] ? clear_bhb_loop+0x35/0x90 [ 143.809067][ T5508] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 143.814968][ T5508] RIP: 0033:0x7f3818306429 [ 143.819425][ T5508] 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 [ 143.839124][ T5508] RSP: 002b:00007f38182a0118 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 [ 143.847596][ T5508] RAX: ffffffffffffffda RBX: 00007f3818390318 RCX: 00007f3818306429 [ 143.855582][ T5508] RDX: 00007f38182e2ab6 RSI: 0000000000000058 RDI: 00007f38182a0120 [ 143.863600][ T5508] RBP: 00007f3818390310 R08: 00007fffb191b837 R09: 0000000000000080 [ 143.871638][ T5508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f381835d074 [ 143.879673][ T5508] R13: 00007f381839031c R14: 00007f38182a0120 R15: 000000080000000e [ 143.887717][ T5508] [ 143.890781][ T5508] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 143.898073][ T5508] CPU: 1 UID: 0 PID: 5508 Comm: syz-executor274 Not tainted 6.11.0-syzkaller-08481-g88264981f208 #0 [ 143.908843][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 143.918910][ T5508] Call Trace: [ 143.922215][ T5508] [ 143.925143][ T5508] dump_stack_lvl+0x241/0x360 [ 143.929850][ T5508] ? __pfx_dump_stack_lvl+0x10/0x10 [ 143.935055][ T5508] ? __pfx__printk+0x10/0x10 [ 143.939655][ T5508] ? vscnprintf+0x5d/0x90 [ 143.943992][ T5508] panic+0x349/0x880 [ 143.947897][ T5508] ? __warn+0x177/0x4e0 [ 143.952062][ T5508] ? __pfx_panic+0x10/0x10 [ 143.956515][ T5508] __warn+0x34b/0x4e0 [ 143.960501][ T5508] ? copy_huge_pmd+0x102c/0x1c60 [ 143.965446][ T5508] report_bug+0x2b3/0x500 [ 143.969778][ T5508] ? copy_huge_pmd+0x102c/0x1c60 [ 143.974722][ T5508] handle_bug+0x60/0x90 [ 143.978892][ T5508] exc_invalid_op+0x1a/0x50 [ 143.983405][ T5508] asm_exc_invalid_op+0x1a/0x20 [ 143.988263][ T5508] RIP: 0010:copy_huge_pmd+0x102c/0x1c60 [ 143.993911][ T5508] Code: ff 90 0f 0b 90 e9 2e f5 ff ff e8 8f fc 92 ff 48 ff cb e9 0f f7 ff ff e8 82 fc 92 ff 48 ff cb e9 8a f7 ff ff e8 75 fc 92 ff 90 <0f> 0b 90 e9 11 fd ff ff 4c 8d ac 24 00 01 00 00 48 b8 06 fe ff ff [ 144.013871][ T5508] RSP: 0018:ffffc90003cdf0c0 EFLAGS: 00010293 [ 144.020033][ T5508] RAX: ffffffff8201bd3b RBX: ffff88803090c118 RCX: ffff8880317a9e00 [ 144.028011][ T5508] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 144.035986][ T5508] RBP: ffffc90003cdf248 R08: ffffffff8201bc06 R09: 1ffffffff2038ef5 [ 144.043972][ T5508] R10: dffffc0000000000 R11: fffffbfff2038ef6 R12: ffff88802fab89c0 [ 144.051947][ T5508] R13: d7ffe7fff1cbfe02 R14: 0000000000000020 R15: ffff888031e5b780 [ 144.060017][ T5508] ? copy_huge_pmd+0xef6/0x1c60 [ 144.064875][ T5508] ? copy_huge_pmd+0x102b/0x1c60 [ 144.069833][ T5508] ? __pfx_copy_huge_pmd+0x10/0x10 [ 144.074960][ T5508] ? copy_pmd_range+0x7b35/0x85f0 [ 144.079990][ T5508] ? __pfx___might_resched+0x10/0x10 [ 144.085299][ T5508] ? __page_table_check_ptes_set+0x30f/0x410 [ 144.091287][ T5508] ? do_raw_spin_unlock+0x13c/0x8b0 [ 144.096599][ T5508] copy_pmd_range+0x425/0x85f0 [ 144.101375][ T5508] ? __pfx_validate_chain+0x10/0x10 [ 144.106587][ T5508] ? mas_destroy+0x197c/0x1fe0 [ 144.111354][ T5508] ? __pfx_copy_pmd_range+0x10/0x10 [ 144.116556][ T5508] ? mark_lock+0x9a/0x360 [ 144.120990][ T5508] ? __lock_acquire+0x1384/0x2050 [ 144.126049][ T5508] ? mas_wr_store_type+0xda8/0x1bc0 [ 144.131256][ T5508] copy_page_range+0x99f/0xe90 [ 144.136056][ T5508] ? __pfx_copy_page_range+0x10/0x10 [ 144.141346][ T5508] ? __pfx_up_write+0x10/0x10 [ 144.146032][ T5508] copy_mm+0x11fb/0x1f40 [ 144.150299][ T5508] ? __pfx_copy_mm+0x10/0x10 [ 144.154908][ T5508] ? __init_rwsem+0x122/0x160 [ 144.159602][ T5508] ? copy_signal+0x52a/0x650 [ 144.164200][ T5508] copy_process+0x1845/0x3d50 [ 144.168898][ T5508] ? copy_process+0x9fa/0x3d50 [ 144.173693][ T5508] ? __pfx_copy_process+0x10/0x10 [ 144.178733][ T5508] ? __might_fault+0xc6/0x120 [ 144.183445][ T5508] ? __asan_memset+0x23/0x50 [ 144.188051][ T5508] kernel_clone+0x226/0x8f0 [ 144.192572][ T5508] ? __pfx_kernel_clone+0x10/0x10 [ 144.197620][ T5508] __se_sys_clone3+0x2cb/0x350 [ 144.202404][ T5508] ? __pfx___se_sys_clone3+0x10/0x10 [ 144.207739][ T5508] ? do_syscall_64+0x100/0x230 [ 144.212544][ T5508] do_syscall_64+0xf3/0x230 [ 144.217058][ T5508] ? clear_bhb_loop+0x35/0x90 [ 144.221746][ T5508] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.227837][ T5508] RIP: 0033:0x7f3818306429 [ 144.232346][ T5508] 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 [ 144.251960][ T5508] RSP: 002b:00007f38182a0118 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 [ 144.260404][ T5508] RAX: ffffffffffffffda RBX: 00007f3818390318 RCX: 00007f3818306429 [ 144.268383][ T5508] RDX: 00007f38182e2ab6 RSI: 0000000000000058 RDI: 00007f38182a0120 [ 144.276536][ T5508] RBP: 00007f3818390310 R08: 00007fffb191b837 R09: 0000000000000080 [ 144.284509][ T5508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f381835d074 [ 144.292480][ T5508] R13: 00007f381839031c R14: 00007f38182a0120 R15: 000000080000000e [ 144.300480][ T5508] [ 144.303892][ T5508] Kernel Offset: disabled [ 144.308414][ T5508] Rebooting in 86400 seconds..