./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3283067945

<...>
Warning: Permanently added '10.128.0.216' (ED25519) to the list of known hosts.
execve("./syz-executor3283067945", ["./syz-executor3283067945"], 0x7ffedb5b5b40 /* 10 vars */) = 0
brk(NULL)                               = 0x555555e7b000
brk(0x555555e7bd40)                     = 0x555555e7bd40
arch_prctl(ARCH_SET_FS, 0x555555e7b3c0) = 0
set_tid_address(0x555555e7b690)         = 299
set_robust_list(0x555555e7b6a0, 24)     = 0
rseq(0x555555e7bce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3283067945", 4096) = 28
getrandom("\xd5\xe6\xe8\x2b\xae\xd7\x7a\x19", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555e7bd40
brk(0x555555e9cd40)                     = 0x555555e9cd40
brk(0x555555e9d000)                     = 0x555555e9d000
mprotect(0x7f87cbfc5000, 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, child_tidptr=0x555555e7b690) = 300
./strace-static-x86_64: Process 300 attached
[pid   300] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   300] setpgid(0, 0)               = 0
[pid   300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   300] write(3, "1000", 4)         = 4
[pid   300] close(3)                    = 0
[pid   300] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   300] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[301]}, 88) = 301
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 301 attached
 <unfinished ...>
[pid   301] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   301] getpid()                    = 300
[pid   301] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   300] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] <... futex resumed>)        = 1
[pid   301] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 300, 0, -1, 0) = 3
[pid   301] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   301] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   300] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   300] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   300] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[302]}, 88) = 302
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   300] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} => {parent_tid=[303]}, 88) = 303
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   301] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   301] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   301] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 302 attached
 <unfinished ...>
[pid   302] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE) = 304
[pid   302] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 303 attached
 <unfinished ...>
[pid   303] set_robust_list(0x7f87cbec09a0, 24) = 0
[pid   303] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 304 attached
NULL, 8) = 0
[pid   303] close(3)                    = 0
[pid   303] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   300] exit_group(0 <unfinished ...>
[pid   303] <... futex resumed>)        = 1
[pid   300] <... exit_group resumed>)   = ?
[pid   303] +++ exited with 0 +++
[pid   302] <... futex resumed>)        = ?
[pid   301] <... futex resumed>)        = ?
[pid   302] +++ exited with 0 +++
[pid   301] +++ exited with 0 +++
[pid   300] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 305
./strace-static-x86_64: Process 305 attached
[pid   305] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   305] setpgid(0, 0)               = 0
[pid   305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   305] write(3, "1000", 4)         = 4
[pid   305] close(3)                    = 0
[pid   305] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   305] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   305] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 306 attached
 <unfinished ...>
[pid   306] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] <... clone3 resumed> => {parent_tid=[306]}, 88) = 306
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] getpid()                    = 305
[pid   306] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   305] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] perf_event_open( <unfinished ...>
[pid   305] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   306] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 305, 0, -1, 0) = 3
[pid   306] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   305] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   306] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... futex resumed>)        = 0
[pid   306] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   305] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] <... clone resumed>)        = 307
[pid   306] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   306] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 307 attached
 <unfinished ...>
[pid   305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   305] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 308 attached
 <unfinished ...>
[pid   308] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   308] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] <... clone3 resumed> => {parent_tid=[308]}, 88) = 308
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   308] <... futex resumed>)        = 0
[pid   308] close(3)                    = 0
[pid   308] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   308] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   305] exit_group(0 <unfinished ...>
[pid   306] <... futex resumed>)        = ?
[pid   306] +++ exited with 0 +++
[pid   305] <... exit_group resumed>)   = ?
[pid   308] <... futex resumed>)        = ?
[pid   308] +++ exited with 0 +++
[pid   305] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 309
./strace-static-x86_64: Process 309 attached
[pid   309] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   309] setpgid(0, 0)               = 0
[pid   309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   309] write(3, "1000", 4)         = 4
[pid   309] close(3)                    = 0
[pid   309] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   309] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 310 attached
 => {parent_tid=[310]}, 88) = 310
[pid   310] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   310] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   309] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   310] <... futex resumed>)        = 0
[pid   309] <... futex resumed>)        = 1
[pid   310] getpid()                    = 309
[pid   310] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   310] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   309] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   309] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   310] <... futex resumed>)        = 0
[pid   309] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   310] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 309, 0, -1, 0) = 3
[pid   310] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   310] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   309] <... futex resumed>)        = 0
[pid   309] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   309] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   310] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   309] <... clone3 resumed> => {parent_tid=[311]}, 88) = 311
[pid   310] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   309] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   310] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   309] <... futex resumed>)        = 0
[pid   310] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   309] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   310] <... futex resumed>)        = 0
[pid   309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   309] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   310] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 312 attached
 => {parent_tid=[312]}, 88) = 312
[pid   309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   309] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   309] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 311 attached
 <unfinished ...>
[pid   311] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   311] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   312] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   311] <... clone resumed>)        = 313
[pid   311] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   311] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 313 attached
 <unfinished ...>
[pid   312] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] close(3)                    = 0
[pid   312] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   309] <... futex resumed>)        = 0
[pid   309] exit_group(0 <unfinished ...>
[pid   311] <... futex resumed>)        = ?
[pid   310] <... futex resumed>)        = ?
[pid   309] <... exit_group resumed>)   = ?
[pid   311] +++ exited with 0 +++
[pid   310] +++ exited with 0 +++
[pid   312] +++ exited with 0 +++
[pid   309] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 314
./strace-static-x86_64: Process 314 attached
[pid   314] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   314] setpgid(0, 0)               = 0
[pid   314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   314] write(3, "1000", 4)         = 4
[pid   314] close(3)                    = 0
[pid   314] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   314] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[315]}, 88) = 315
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 315 attached
 <unfinished ...>
[pid   315] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] getpid()                    = 314
[pid   315] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... futex resumed>)        = 0
[pid   314] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... futex resumed>)        = 1
[pid   315] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 314, 0, -1, 0) = 3
[pid   315] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... futex resumed>)        = 0
[pid   314] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   314] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[316]}, 88) = 316
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   314] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} => {parent_tid=[317]}, 88) = 317
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... futex resumed>)        = 1
[   20.476399][   T24] audit: type=1400 audit(1708124509.820:66): avc:  denied  { execmem } for  pid=299 comm="syz-executor328" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.483259][   T24] audit: type=1400 audit(1708124509.830:67): avc:  denied  { open } for  pid=300 comm="syz-executor328" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=perf_event permissive=1
[   20.486092][   T24] audit: type=1400 audit(1708124509.830:68): avc:  denied  { perfmon } for  pid=300 comm="syz-executor328" capability=38  scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1
[   20.489137][   T24] audit: type=1400 audit(1708124509.830:69): avc:  denied  { kernel } for  pid=300 comm="syz-executor328" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=perf_event permissive=1
[   20.493506][   T24] audit: type=1400 audit(1708124509.840:70): avc:  denied  { map_create } for  pid=300 comm="syz-executor328" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1
[pid   315] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   315] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   315] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 317 attached
./strace-static-x86_64: Process 316 attached
 <unfinished ...>
[pid   317] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   316] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   317] <... set_robust_list resumed>) = 0
[pid   316] <... set_robust_list resumed>) = 0
[pid   317] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   316] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   317] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   316] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   317] close(3 <unfinished ...>
[pid   316] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 318 attached
) = 318
[pid   316] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   317] <... close resumed>)        = 0
[pid   316] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   317] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   314] <... futex resumed>)        = 0
[pid   317] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] exit_group(0)               = ?
[pid   316] <... futex resumed>)        = ?
[pid   317] <... futex resumed>)        = ?
[pid   315] <... futex resumed>)        = ?
[pid   315] +++ exited with 0 +++
[pid   316] +++ exited with 0 +++
[pid   317] +++ exited with 0 +++
[pid   314] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 319 attached
, child_tidptr=0x555555e7b690) = 319
[pid   319] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   319] setpgid(0, 0)               = 0
[pid   319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   319] write(3, "1000", 4)         = 4
[pid   319] close(3)                    = 0
[pid   319] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   319] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   319] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 320 attached
 <unfinished ...>
[pid   320] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   320] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] <... clone3 resumed> => {parent_tid=[320]}, 88) = 320
[pid   319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   319] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   320] <... futex resumed>)        = 0
[pid   320] getpid()                    = 319
[pid   320] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   320] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   319] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   320] <... futex resumed>)        = 0
[pid   320] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 319, 0, -1, 0) = 3
[pid   319] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   320] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   320] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   319] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   320] <... futex resumed>)        = 0
[pid   320] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   320] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   320] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   320] <... futex resumed>)        = 0
[pid   320] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   319] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   320] <... clone resumed>)        = 321
./strace-static-x86_64: Process 321 attached
[pid   319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   320] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   320] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] <... mmap resumed>)         = 0x7f87cbec1000
[pid   319] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 322 attached
 <unfinished ...>
[pid   322] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   322] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] <... clone3 resumed> => {parent_tid=[322]}, 88) = 322
[pid   319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   319] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] <... futex resumed>)        = 0
[pid   319] <... futex resumed>)        = 1
[pid   322] close(3)                    = 0
[pid   322] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   322] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   319] exit_group(0)               = ?
[pid   320] <... futex resumed>)        = ?
[pid   320] +++ exited with 0 +++
[pid   322] <... futex resumed>)        = ?
[pid   322] +++ exited with 0 +++
[pid   319] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 323
./strace-static-x86_64: Process 323 attached
[pid   323] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   323] setpgid(0, 0)               = 0
[pid   323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   323] write(3, "1000", 4)         = 4
[pid   323] close(3)                    = 0
[pid   323] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   323] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[324]}, 88) = 324
[pid   323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   323] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 324 attached
 <unfinished ...>
[pid   324] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   324] getpid()                    = 323
[pid   324] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... futex resumed>)        = 0
[pid   323] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] <... futex resumed>)        = 1
[pid   324] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 323, 0, -1, 0) = 3
[pid   324] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... futex resumed>)        = 0
[pid   323] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   323] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[325]}, 88) = 325
[pid   323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   323] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   323] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} => {parent_tid=[326]}, 88) = 326
[pid   323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
./strace-static-x86_64: Process 326 attached
[pid   324] <... futex resumed>)        = 1
[pid   323] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   324] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   324] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   326] set_robust_list(0x7f87cbec09a0, 24) = 0
[pid   326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   326] close(3)                    = 0
[pid   326] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... futex resumed>)        = 0
[pid   326] <... futex resumed>)        = 1
[pid   326] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 325 attached
 <unfinished ...>
[pid   325] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   325] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 327 attached
) = 327
[pid   325] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   323] exit_group(0 <unfinished ...>
[pid   326] <... futex resumed>)        = ?
[pid   324] <... futex resumed>)        = ?
[pid   323] <... exit_group resumed>)   = ?
[pid   326] +++ exited with 0 +++
[pid   324] +++ exited with 0 +++
[pid   325] +++ exited with 0 +++
[pid   323] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 328 attached
 <unfinished ...>
[pid   328] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   328] setpgid(0, 0)               = 0
[pid   328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   299] <... clone resumed>, child_tidptr=0x555555e7b690) = 328
[pid   328] <... openat resumed>)       = 3
[pid   328] write(3, "1000", 4)         = 4
[pid   328] close(3)                    = 0
[pid   328] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   328] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[329]}, 88) = 329
[pid   328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   328] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 329 attached
 <unfinished ...>
[pid   329] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   329] getpid()                    = 328
[pid   329] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] <... futex resumed>)        = 0
[pid   328] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   329] <... futex resumed>)        = 1
[pid   329] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 328, 0, -1, 0) = 3
[pid   329] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] <... futex resumed>)        = 0
[pid   328] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   328] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[330]}, 88) = 330
[pid   328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   328] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   328] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} => {parent_tid=[331]}, 88) = 331
[pid   328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   328] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   328] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   329] <... futex resumed>)        = 1
[pid   329] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   329] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   329] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 331 attached
./strace-static-x86_64: Process 330 attached
 <unfinished ...>
[pid   331] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   330] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   331] <... set_robust_list resumed>) = 0
[pid   330] <... set_robust_list resumed>) = 0
[pid   331] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   330] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   331] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   330] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   331] close(3 <unfinished ...>
[pid   330] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   331] <... close resumed>)        = 0
[pid   331] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] <... futex resumed>)        = 0
[pid   331] <... futex resumed>)        = 1
[pid   331] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 332 attached
 <unfinished ...>
[pid   330] <... clone resumed>)        = 332
[pid   330] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] exit_group(0 <unfinished ...>
[pid   329] <... futex resumed>)        = ?
[pid   328] <... exit_group resumed>)   = ?
[pid   329] +++ exited with 0 +++
[pid   330] <... futex resumed>)        = ?
[pid   330] +++ exited with 0 +++
[pid   331] <... futex resumed>)        = ?
[pid   331] +++ exited with 0 +++
[pid   328] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 333
./strace-static-x86_64: Process 333 attached
[pid   333] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   333] setpgid(0, 0)               = 0
[pid   333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   333] write(3, "1000", 4)         = 4
[pid   333] close(3)                    = 0
[pid   333] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   333] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   333] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   333] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 334 attached
 => {parent_tid=[334]}, 88) = 334
[pid   334] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   334] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   333] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   334] <... futex resumed>)        = 0
[pid   334] getpid()                    = 333
[pid   334] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   333] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   334] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   333] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   334] <... futex resumed>)        = 0
[pid   333] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   334] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 333, 0, -1, 0) = 3
[pid   334] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] <... futex resumed>)        = 0
[pid   333] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   334] <... futex resumed>)        = 1
[pid   334] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   333] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   334] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   333] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   333] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   334] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] <... rt_sigprocmask resumed>[], 8) = 0
[pid   333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[335]}, 88) = 335
[pid   334] <... futex resumed>)        = 0
[pid   333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   333] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   333] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   333] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 335 attached
 <unfinished ...>
[pid   335] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   335] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   334] close(3 <unfinished ...>
[pid   335] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   335] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   334] <... close resumed>)        = 0
[pid   334] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   333] <... futex resumed>)        = 0
[pid   334] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   335] <... clone resumed>)        = 336
[pid   335] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   335] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 336 attached
 <unfinished ...>
[pid   333] exit_group(0 <unfinished ...>
[pid   335] <... futex resumed>)        = ?
[pid   333] <... exit_group resumed>)   = ?
[pid   335] +++ exited with 0 +++
[pid   334] <... futex resumed>)        = ?
[pid   334] +++ exited with 0 +++
[pid   333] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 337
./strace-static-x86_64: Process 337 attached
[pid   337] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   337] setpgid(0, 0)               = 0
[pid   337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   337] write(3, "1000", 4)         = 4
[pid   337] close(3)                    = 0
[pid   337] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   337] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[338]}, 88) = 338
[pid   337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   337] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 338 attached
 <unfinished ...>
[pid   338] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   338] getpid()                    = 337
[pid   338] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   337] <... futex resumed>)        = 0
[pid   337] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   338] <... futex resumed>)        = 1
[pid   338] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 337, 0, -1, 0) = 3
[pid   338] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   337] <... futex resumed>)        = 0
[pid   337] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   337] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[339]}, 88) = 339
./strace-static-x86_64: Process 339 attached
[pid   337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   337] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   337] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} <unfinished ...>
[pid   339] set_robust_list(0x7f87cbee19a0, 24./strace-static-x86_64: Process 340 attached
 <unfinished ...>
[pid   337] <... clone3 resumed> => {parent_tid=[340]}, 88) = 340
[pid   337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   337] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   337] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   338] <... futex resumed>)        = 1
[pid   338] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   338] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   338] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   340] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   339] <... set_robust_list resumed>) = 0
[pid   340] <... set_robust_list resumed>) = 0
[pid   339] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   340] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   339] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   340] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   339] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 341 attached
 <unfinished ...>
[pid   340] close(3 <unfinished ...>
[pid   339] <... clone resumed>)        = 341
[pid   339] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   339] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   340] <... close resumed>)        = 0
[pid   340] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   337] <... futex resumed>)        = 0
[pid   340] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   337] exit_group(0)               = ?
[pid   338] <... futex resumed>)        = ?
[pid   338] +++ exited with 0 +++
[pid   340] <... futex resumed>)        = 230
[pid   339] <... futex resumed>)        = ?
[pid   339] +++ exited with 0 +++
[pid   340] +++ exited with 0 +++
[pid   337] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 342
./strace-static-x86_64: Process 342 attached
[pid   342] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   342] setpgid(0, 0)               = 0
[pid   342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   342] write(3, "1000", 4)         = 4
[pid   342] close(3)                    = 0
[pid   342] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   342] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[343]}, 88) = 343
[pid   342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   342] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 343 attached
 <unfinished ...>
[pid   343] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   343] getpid()                    = 342
[pid   343] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   342] <... futex resumed>)        = 0
[pid   342] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... futex resumed>)        = 1
[pid   343] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 342, 0, -1, 0) = 3
[pid   343] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   342] <... futex resumed>)        = 0
[pid   342] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   342] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[344]}, 88) = 344
[pid   342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   342] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   342] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 344 attached
 => {parent_tid=[345]}, 88) = 345
[pid   342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   342] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   342] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... futex resumed>)        = 1
[pid   343] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   343] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   343] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 345 attached
 <unfinished ...>
[pid   344] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   345] set_robust_list(0x7f87cbec09a0, 24) = 0
[pid   344] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   345] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   344] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   345] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   344] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 346 attached
 <unfinished ...>
[pid   345] close(3 <unfinished ...>
[pid   344] <... clone resumed>)        = 346
[pid   344] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   344] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   345] <... close resumed>)        = 0
[pid   345] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   342] <... futex resumed>)        = 0
[pid   342] exit_group(0)               = ?
[pid   343] <... futex resumed>)        = ?
[pid   343] +++ exited with 0 +++
[pid   344] <... futex resumed>)        = ?
[pid   344] +++ exited with 0 +++
[pid   345] +++ exited with 0 +++
[pid   342] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 347
./strace-static-x86_64: Process 347 attached
[pid   347] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   347] setpgid(0, 0)               = 0
[pid   347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   347] write(3, "1000", 4)         = 4
[pid   347] close(3)                    = 0
[pid   347] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   347] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[348]}, 88) = 348
[pid   347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   347] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 348 attached
 <unfinished ...>
[pid   348] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   348] getpid()                    = 347
[pid   348] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] <... futex resumed>)        = 0
[pid   347] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   348] <... futex resumed>)        = 1
[pid   348] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 347, 0, -1, 0) = 3
[pid   348] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] <... futex resumed>)        = 0
[pid   347] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   347] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[349]}, 88) = 349
./strace-static-x86_64: Process 349 attached
[pid   347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   347] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   347] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} => {parent_tid=[350]}, 88) = 350
[pid   347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   347] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   347] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   348] <... futex resumed>)        = 1
[pid   348] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   348] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   348] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 350 attached
 <unfinished ...>
[pid   349] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   350] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   349] <... set_robust_list resumed>) = 0
[pid   350] <... set_robust_list resumed>) = 0
[pid   349] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   350] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   349] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   350] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   349] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 351 attached
 <unfinished ...>
[pid   350] close(3 <unfinished ...>
[pid   349] <... clone resumed>)        = 351
[pid   349] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   349] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   350] <... close resumed>)        = 0
[pid   350] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   347] <... futex resumed>)        = 0
[pid   347] exit_group(0)               = ?
[pid   348] <... futex resumed>)        = ?
[pid   348] +++ exited with 0 +++
[pid   349] <... futex resumed>)        = ?
[pid   349] +++ exited with 0 +++
[pid   350] +++ exited with 0 +++
[pid   347] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 352 attached
 <unfinished ...>
[pid   352] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   299] <... clone resumed>, child_tidptr=0x555555e7b690) = 352
[pid   352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   352] setpgid(0, 0)               = 0
[pid   352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   352] write(3, "1000", 4)         = 4
[pid   352] close(3)                    = 0
[pid   352] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   352] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   352] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[353]}, 88) = 353
[pid   352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   352] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 353 attached
 <unfinished ...>
[pid   353] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   353] getpid()                    = 352
[pid   353] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   352] <... futex resumed>)        = 0
[pid   352] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   353] <... futex resumed>)        = 1
[pid   353] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 352, 0, -1, 0) = 3
[pid   353] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   352] <... futex resumed>)        = 0
[pid   352] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   352] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   352] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[354]}, 88) = 354
[pid   352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   352] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   352] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   352] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 354 attached
 => {parent_tid=[355]}, 88) = 355
[pid   352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   352] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   352] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   353] <... futex resumed>)        = 1
[pid   353] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   353] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   353] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 355 attached
 <unfinished ...>
[pid   354] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   355] set_robust_list(0x7f87cbec09a0, 24) = 0
[pid   355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   355] close(3)                    = 0
[pid   355] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   352] <... futex resumed>)        = 0
[pid   355] <... futex resumed>)        = 1
[pid   355] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   354] <... set_robust_list resumed>) = 0
[pid   354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   354] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 356 attached
) = 356
[pid   354] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   354] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   352] exit_group(0 <unfinished ...>
[pid   354] <... futex resumed>)        = ?
[pid   353] <... futex resumed>)        = ?
[pid   352] <... exit_group resumed>)   = ?
[pid   355] <... futex resumed>)        = ?
[pid   354] +++ exited with 0 +++
[pid   353] +++ exited with 0 +++
[pid   355] +++ exited with 0 +++
[pid   352] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 357 attached
 <unfinished ...>
[pid   357] set_robust_list(0x555555e7b6a0, 24 <unfinished ...>
[pid   299] <... clone resumed>, child_tidptr=0x555555e7b690) = 357
[pid   357] <... set_robust_list resumed>) = 0
[pid   357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   357] setpgid(0, 0)               = 0
[pid   357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   357] write(3, "1000", 4)         = 4
[pid   357] close(3)                    = 0
[pid   357] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   357] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[358]}, 88) = 358
[pid   357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   357] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 358 attached
 <unfinished ...>
[pid   358] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   358] getpid( <unfinished ...>
[pid   304] exit(0 <unfinished ...>
[pid   358] <... getpid resumed>)       = 357
[pid   304] <... exit resumed>)         = ?
[pid   358] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] <... futex resumed>)        = 0
[pid   357] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   358] <... futex resumed>)        = 1
[pid   358] perf_event_open( <unfinished ...>
[pid   304] +++ exited with 0 +++
[pid   358] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 357, 0, -1, 0) = 3
[pid   358] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] <... futex resumed>)        = 0
[pid   357] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   357] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   357] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   358] <... futex resumed>)        = 1
[pid   357] <... rt_sigprocmask resumed>[], 8) = 0
[pid   357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[359]}, 88) = 359
[pid   358] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   357] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   357] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} => {parent_tid=[360]}, 88) = 360
[pid   357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   357] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   357] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 359 attached
 <unfinished ...>
[pid   359] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   359] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 360 attached
 <unfinished ...>
[pid   358] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   359] <... clone resumed>)        = 361
[pid   358] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   359] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   359] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 361 attached
 <unfinished ...>
[pid   358] <... futex resumed>)        = 0
[pid   358] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   360] set_robust_list(0x7f87cbec09a0, 24) = 0
[pid   360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   360] close(3)                    = 0
[pid   360] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   357] <... futex resumed>)        = 0
[pid   360] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   357] exit_group(0)               = ?
[pid   359] <... futex resumed>)        = ?
[pid   358] <... futex resumed>)        = ?
[pid   359] +++ exited with 0 +++
[pid   358] +++ exited with 0 +++
[pid   360] <... futex resumed>)        = ?
[pid   360] +++ exited with 0 +++
[pid   357] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 362
./strace-static-x86_64: Process 362 attached
[pid   362] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   362] setpgid(0, 0)               = 0
[pid   362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   362] write(3, "1000", 4)         = 4
[pid   362] close(3)                    = 0
[pid   362] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   362] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   362] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 363 attached
 => {parent_tid=[363]}, 88) = 363
[pid   363] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   363] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   307] exit(0)                     = ?
[pid   363] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   363] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   307] +++ exited with 0 +++
[pid   362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   362] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   363] <... futex resumed>)        = 0
[pid   362] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   363] getpid()                    = 362
[pid   363] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   363] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   362] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   363] <... futex resumed>)        = 0
[pid   362] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   363] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 362, 0, -1, 0) = 3
[pid   363] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   362] <... futex resumed>)        = 0
[pid   362] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   362] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   362] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   363] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   362] <... clone3 resumed> => {parent_tid=[364]}, 88) = 364
[pid   362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   362] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   362] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   363] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   362] <... mmap resumed>)         = 0x7f87cbea0000
[pid   362] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   363] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} <unfinished ...>
[pid   363] <... futex resumed>)        = 0
[pid   362] <... clone3 resumed> => {parent_tid=[365]}, 88) = 365
[pid   363] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   362] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   362] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 364 attached
 <unfinished ...>
[pid   364] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   364] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 365 attached
./strace-static-x86_64: Process 366 attached
 <unfinished ...>
[pid   365] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   364] <... clone resumed>)        = 366
[pid   364] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   364] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   365] <... set_robust_list resumed>) = 0
[pid   365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   365] close(3)                    = 0
[pid   365] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   362] <... futex resumed>)        = 0
[pid   362] exit_group(0 <unfinished ...>
[pid   365] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   362] <... exit_group resumed>)   = ?
[pid   364] <... futex resumed>)        = ?
[pid   364] +++ exited with 0 +++
[pid   365] <... futex resumed>)        = ?
[pid   363] <... futex resumed>)        = ?
[pid   363] +++ exited with 0 +++
[pid   365] +++ exited with 0 +++
[pid   362] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 367
./strace-static-x86_64: Process 367 attached
[pid   367] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   367] setpgid(0, 0)               = 0
[pid   367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   367] write(3, "1000", 4)         = 4
[pid   367] close(3)                    = 0
[pid   367] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   367] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[368]}, 88) = 368
[pid   367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   367] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 368 attached
 <unfinished ...>
[pid   368] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   368] getpid()                    = 367
[pid   368] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   367] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   368] <... futex resumed>)        = 1
[pid   368] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 367, 0, -1, 0) = 3
[pid   368] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   367] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   367] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[369]}, 88) = 369
[pid   367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   367] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   367] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   367] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 370 attached
 => {parent_tid=[370]}, 88) = 370
[pid   367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   367] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   368] <... futex resumed>)        = 1
[pid   368] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   368] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   368] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 369 attached
 <unfinished ...>
[pid   369] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   369] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   370] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   369] <... clone resumed>)        = 371
[pid   370] <... set_robust_list resumed>) = 0
[pid   369] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   313] exit(0)                     = ?
[pid   370] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   313] +++ exited with 0 +++
[pid   369] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 371 attached
 <unfinished ...>
[pid   370] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   370] close(3)                    = 0
[pid   370] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   367] <... futex resumed>)        = 0
[pid   367] exit_group(0)               = ?
[pid   369] <... futex resumed>)        = ?
[pid   368] <... futex resumed>)        = ?
[pid   369] +++ exited with 0 +++
[pid   368] +++ exited with 0 +++
[pid   370] +++ exited with 0 +++
[pid   367] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 372
./strace-static-x86_64: Process 372 attached
[pid   372] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   372] setpgid(0, 0)               = 0
[pid   372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   372] write(3, "1000", 4)         = 4
[pid   372] close(3)                    = 0
[pid   372] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   372] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   372] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 373 attached
 => {parent_tid=[373]}, 88) = 373
[pid   372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   372] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   372] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   373] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   373] getpid()                    = 372
[pid   373] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   372] <... futex resumed>)        = 0
[pid   372] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   372] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   373] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 372, 0, -1, 0) = 3
[pid   373] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   372] <... futex resumed>)        = 0
[pid   372] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   372] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   372] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[374]}, 88) = 374
[pid   372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   372] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   372] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   372] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   372] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} <unfinished ...>
[pid   318] exit(0)                     = ?
[pid   373] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   318] +++ exited with 0 +++
[pid   373] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   372] <... clone3 resumed> => {parent_tid=[375]}, 88) = 375
./strace-static-x86_64: Process 375 attached
[pid   375] set_robust_list(0x7f87cbec09a0, 24) = 0
[pid   375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   373] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   375] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 374 attached
 <unfinished ...>
[pid   374] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   374] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   373] <... futex resumed>)        = 0
[pid   372] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   374] <... clone resumed>)        = 376
[pid   372] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   374] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   374] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 376 attached
 <unfinished ...>
[pid   375] <... futex resumed>)        = 0
[pid   373] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   372] <... futex resumed>)        = 1
[pid   375] close(3)                    = 0
[pid   375] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   375] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   372] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   372] exit_group(0 <unfinished ...>
[pid   375] <... futex resumed>)        = ?
[pid   374] <... futex resumed>)        = ?
[pid   373] <... futex resumed>)        = ?
[pid   372] <... exit_group resumed>)   = ?
[pid   375] +++ exited with 0 +++
[pid   374] +++ exited with 0 +++
[pid   373] +++ exited with 0 +++
[pid   372] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 377 attached
, child_tidptr=0x555555e7b690) = 377
[pid   377] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   377] setpgid(0, 0)               = 0
[pid   377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   377] write(3, "1000", 4)         = 4
[pid   377] close(3)                    = 0
[pid   377] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   377] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   377] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 378 attached
 <unfinished ...>
[pid   378] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   378] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] <... clone3 resumed> => {parent_tid=[378]}, 88) = 378
[pid   377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   377] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   378] getpid()                    = 377
[pid   378] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   377] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   378] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 377, 0, -1, 0) = 3
[pid   378] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   377] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   378] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   378] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   378] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   377] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] <... clone resumed>)        = 379
[pid   378] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   377] <... futex resumed>)        = 0
[pid   378] <... futex resumed>)        = 0
[pid   378] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 379 attached
 <unfinished ...>
[pid   321] exit(0)                     = ?
[pid   321] +++ exited with 0 +++
[pid   377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   377] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 380 attached
 <unfinished ...>
[pid   380] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   377] <... clone3 resumed> => {parent_tid=[380]}, 88) = 380
[pid   380] <... set_robust_list resumed>) = 0
[pid   380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   380] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   377] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   380] <... futex resumed>)        = 0
[pid   380] close(3)                    = 0
[pid   377] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   377] <... futex resumed>)        = 0
[pid   377] exit_group(0 <unfinished ...>
[pid   378] <... futex resumed>)        = ?
[pid   378] +++ exited with 0 +++
[pid   377] <... exit_group resumed>)   = ?
[pid   380] +++ exited with 0 +++
[pid   377] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 381
./strace-static-x86_64: Process 381 attached
[pid   381] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   381] setpgid(0, 0)               = 0
[pid   381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   381] write(3, "1000", 4)         = 4
[pid   381] close(3)                    = 0
[pid   381] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   381] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   381] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[382]}, 88) = 382
[pid   381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   381] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   381] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 382 attached
 <unfinished ...>
[pid   382] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   382] getpid()                    = 381
[pid   382] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   381] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   381] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] <... futex resumed>)        = 1
[pid   382] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 381, 0, -1, 0) = 3
[pid   382] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 1
[pid   381] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   382] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   381] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 0
[pid   381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   382] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   381] <... mmap resumed>)         = 0x7f87cbec1000
[pid   381] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   381] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 383 attached
 => {parent_tid=[383]}, 88) = 383
[pid   383] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   381] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   383] <... set_robust_list resumed>) = 0
[pid   381] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   383] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   381] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   381] <... futex resumed>)        = 0
[pid   383] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   381] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   382] <... futex resumed>)        = 0
[pid   381] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] close(3)                    = 0
[pid   382] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   381] <... futex resumed>)        = 0
[pid   382] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 384 attached
 <unfinished ...>
[pid   383] <... clone resumed>)        = 384
[pid   383] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   383] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   327] exit(0)                     = ?
[pid   327] +++ exited with 0 +++
[pid   381] exit_group(0)               = ?
[pid   382] <... futex resumed>)        = ?
[pid   383] <... futex resumed>)        = 230
[pid   382] +++ exited with 0 +++
[pid   383] +++ exited with 0 +++
[pid   381] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 385
./strace-static-x86_64: Process 385 attached
[pid   385] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   385] setpgid(0, 0)               = 0
[pid   385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   385] write(3, "1000", 4)         = 4
[pid   385] close(3)                    = 0
[pid   385] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   385] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   385] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 386 attached
 => {parent_tid=[386]}, 88) = 386
[pid   386] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   386] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   385] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   386] <... futex resumed>)        = 0
[pid   386] getpid()                    = 385
[pid   386] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   386] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   385] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   386] <... futex resumed>)        = 0
[pid   386] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 385, 0, -1, 0) = 3
[pid   386] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   386] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   332] exit(0)                     = ?
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   332] +++ exited with 0 +++
[pid   385] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   386] <... futex resumed>)        = 0
[pid   386] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   386] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   386] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   386] <... futex resumed>)        = 0
[pid   386] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   385] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] <... clone resumed>)        = 387
[pid   385] <... futex resumed>)        = 0
[pid   386] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   386] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 387 attached
 <unfinished ...>
[pid   385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   385] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   385] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 388 attached
 <unfinished ...>
[pid   388] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   388] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] <... clone3 resumed> => {parent_tid=[388]}, 88) = 388
[pid   385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   385] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] <... futex resumed>)        = 0
[pid   385] <... futex resumed>)        = 1
[pid   388] close(3)                    = 0
[pid   388] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   385] exit_group(0 <unfinished ...>
[pid   388] <... futex resumed>)        = 230
[pid   386] <... futex resumed>)        = ?
[pid   385] <... exit_group resumed>)   = ?
[pid   386] +++ exited with 0 +++
[pid   388] +++ exited with 0 +++
[pid   385] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 389 attached
, child_tidptr=0x555555e7b690) = 389
[pid   389] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   389] setpgid(0, 0)               = 0
[pid   389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   389] write(3, "1000", 4)         = 4
[pid   389] close(3)                    = 0
[pid   389] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   389] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[390]}, 88) = 390
[pid   389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   389] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 390 attached
 <unfinished ...>
[pid   390] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   390] getpid()                    = 389
[pid   390] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   389] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] <... futex resumed>)        = 1
[pid   390] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 389, 0, -1, 0) = 3
[pid   390] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   389] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   389] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 391 attached
 => {parent_tid=[391]}, 88) = 391
[pid   389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   389] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   389] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   391] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   389] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} <unfinished ...>
[pid   391] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 392 attached
[pid   389] <... clone3 resumed> => {parent_tid=[392]}, 88) = 392
[pid   336] exit(0 <unfinished ...>
[pid   389] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   336] <... exit resumed>)         = ?
[pid   392] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   391] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   389] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   336] +++ exited with 0 +++
[pid   389] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] <... futex resumed>)        = 1
[pid   390] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   390] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   390] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   392] <... set_robust_list resumed>) = 0
[pid   391] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   392] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   391] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   392] <... rt_sigprocmask resumed>NULL, 8) = 0
./strace-static-x86_64: Process 393 attached
[pid   391] <... clone resumed>)        = 393
[pid   392] close(3 <unfinished ...>
[pid   391] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   391] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   392] <... close resumed>)        = 0
[pid   392] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   389] <... futex resumed>)        = 0
[pid   392] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   389] exit_group(0)               = ?
[pid   391] <... futex resumed>)        = ?
[pid   392] <... futex resumed>)        = ?
[pid   390] <... futex resumed>)        = ?
[pid   390] +++ exited with 0 +++
[pid   391] +++ exited with 0 +++
[pid   392] +++ exited with 0 +++
[pid   389] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 394
./strace-static-x86_64: Process 394 attached
[pid   394] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   394] setpgid(0, 0)               = 0
[pid   394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   394] write(3, "1000", 4)         = 4
[pid   394] close(3)                    = 0
[pid   394] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   394] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[395]}, 88) = 395
[pid   394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   394] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 395 attached
 <unfinished ...>
[pid   395] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   395] getpid()                    = 394
[pid   395] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   394] <... futex resumed>)        = 0
[pid   394] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   395] <... futex resumed>)        = 1
[pid   395] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 394, 0, -1, 0) = 3
[pid   395] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   394] <... futex resumed>)        = 0
[pid   394] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   394] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   341] exit(0 <unfinished ...>
[pid   394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   341] <... exit resumed>)         = ?
./strace-static-x86_64: Process 396 attached
[pid   341] +++ exited with 0 +++
[pid   394] <... clone3 resumed> => {parent_tid=[396]}, 88) = 396
[pid   394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   394] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   394] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 397 attached
 <unfinished ...>
[pid   396] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   394] <... clone3 resumed> => {parent_tid=[397]}, 88) = 397
[pid   394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   394] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   394] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   395] <... futex resumed>)        = 1
[pid   395] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   395] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   395] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   397] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   396] <... set_robust_list resumed>) = 0
[pid   397] <... set_robust_list resumed>) = 0
[pid   396] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   397] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   396] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   397] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   396] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 398 attached
 <unfinished ...>
[pid   397] close(3 <unfinished ...>
[pid   396] <... clone resumed>)        = 398
[pid   396] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   396] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   397] <... close resumed>)        = 0
[pid   397] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   394] <... futex resumed>)        = 0
[pid   397] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   394] exit_group(0)               = ?
[pid   395] <... futex resumed>)        = ?
[pid   395] +++ exited with 0 +++
[pid   396] <... futex resumed>)        = ?
[pid   397] <... futex resumed>)        = ?
[pid   396] +++ exited with 0 +++
[pid   397] +++ exited with 0 +++
[pid   394] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 399
./strace-static-x86_64: Process 399 attached
[pid   399] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   399] setpgid(0, 0)               = 0
[pid   399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   399] write(3, "1000", 4)         = 4
[pid   399] close(3)                    = 0
[pid   399] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   399] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   399] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   399] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   346] exit(0)                     = ?
[pid   399] <... rt_sigprocmask resumed>[], 8) = 0
[pid   346] +++ exited with 0 +++
[pid   399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 400 attached
 => {parent_tid=[400]}, 88) = 400
[pid   400] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   400] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   399] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   400] <... futex resumed>)        = 0
[pid   400] getpid()                    = 399
[pid   400] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   400] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   399] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   399] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   400] <... futex resumed>)        = 0
[pid   400] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 399, 0, -1, 0) = 3
[pid   400] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   400] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   399] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   399] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   400] <... futex resumed>)        = 0
[pid   400] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   400] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   400] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   399] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   400] <... futex resumed>)        = 0
[pid   400] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   399] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   400] <... clone resumed>)        = 401
[pid   400] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   400] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 401 attached
 <unfinished ...>
[pid   399] <... mmap resumed>)         = 0x7f87cbec1000
[pid   399] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   399] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 402 attached
 => {parent_tid=[402]}, 88) = 402
[pid   402] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   399] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   402] <... set_robust_list resumed>) = 0
[pid   402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   402] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   399] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   399] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   402] <... futex resumed>)        = 0
[pid   399] <... futex resumed>)        = 1
[pid   402] close(3 <unfinished ...>
[pid   399] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   402] <... close resumed>)        = 0
[pid   402] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   399] <... futex resumed>)        = 0
[pid   402] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   399] exit_group(0 <unfinished ...>
[pid   402] <... futex resumed>)        = ?
[pid   400] <... futex resumed>)        = ?
[pid   399] <... exit_group resumed>)   = ?
[pid   400] +++ exited with 0 +++
[pid   402] +++ exited with 0 +++
[pid   399] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   351] exit(0)                     = ?
[pid   299] <... restart_syscall resumed>) = 0
[pid   351] +++ exited with 0 +++
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 403
./strace-static-x86_64: Process 403 attached
[pid   403] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   403] setpgid(0, 0)               = 0
[pid   403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   403] write(3, "1000", 4)         = 4
[pid   403] close(3)                    = 0
[pid   403] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   403] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[404]}, 88) = 404
[pid   403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   403] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 404 attached
 <unfinished ...>
[pid   404] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   404] getpid()                    = 403
[pid   404] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] <... futex resumed>)        = 1
[pid   404] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 403, 0, -1, 0) = 3
[pid   404] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 0
[pid   403] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   403] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[405]}, 88) = 405
[pid   403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   403] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   403] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 406 attached
./strace-static-x86_64: Process 405 attached
 => {parent_tid=[406]}, 88) = 406
[pid   403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   403] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   403] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] <... futex resumed>)        = 1
[pid   404] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   404] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   404] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   406] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   405] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   406] <... set_robust_list resumed>) = 0
[pid   405] <... set_robust_list resumed>) = 0
[pid   406] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   405] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   406] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   405] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   405] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   406] close(3./strace-static-x86_64: Process 407 attached
 <unfinished ...>
[pid   405] <... clone resumed>)        = 407
[pid   405] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   405] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   406] <... close resumed>)        = 0
[pid   406] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   403] <... futex resumed>)        = 0
[pid   403] exit_group(0 <unfinished ...>
[pid   406] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   403] <... exit_group resumed>)   = ?
[pid   405] <... futex resumed>)        = 230
[pid   404] <... futex resumed>)        = ?
[pid   404] +++ exited with 0 +++
[pid   406] <... futex resumed>)        = ?
[pid   405] +++ exited with 0 +++
[pid   406] +++ exited with 0 +++
[pid   403] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 408
./strace-static-x86_64: Process 408 attached
[pid   408] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   408] setpgid(0, 0)               = 0
[pid   408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   408] write(3, "1000", 4)         = 4
[pid   408] close(3)                    = 0
[pid   408] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   408] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   408] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 409 attached
 <unfinished ...>
[pid   409] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   409] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   408] <... clone3 resumed> => {parent_tid=[409]}, 88) = 409
[pid   408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   408] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   409] <... futex resumed>)        = 0
[pid   408] <... futex resumed>)        = 1
[pid   409] getpid( <unfinished ...>
[pid   408] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   409] <... getpid resumed>)       = 408
[pid   409] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   408] <... futex resumed>)        = 0
[pid   408] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   409] perf_event_open( <unfinished ...>
[pid   408] <... futex resumed>)        = 0
[pid   408] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   409] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 408, 0, -1, 0) = 3
[pid   409] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   408] <... futex resumed>)        = 0
[pid   408] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   409] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   408] <... futex resumed>)        = 0
[pid   409] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   408] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] exit(0)                     = ?
[pid   409] <... futex resumed>)        = 0
[pid   408] <... futex resumed>)        = 0
[pid   356] +++ exited with 0 +++
[pid   409] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   408] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 410 attached
 => {parent_tid=[410]}, 88) = 410
[pid   410] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   410] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   408] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   410] <... futex resumed>)        = 0
[pid   410] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   408] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   410] <... clone resumed>)        = 411
[pid   410] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   410] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 411 attached
 <unfinished ...>
[pid   409] <... futex resumed>)        = 0
[pid   408] <... futex resumed>)        = 1
[pid   409] close(3 <unfinished ...>
[pid   408] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   409] <... close resumed>)        = 0
[pid   409] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   408] <... futex resumed>)        = 0
[pid   409] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   408] exit_group(0 <unfinished ...>
[pid   410] <... futex resumed>)        = ?
[pid   409] <... futex resumed>)        = ?
[pid   408] <... exit_group resumed>)   = ?
[pid   410] +++ exited with 0 +++
[pid   409] +++ exited with 0 +++
[pid   408] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 412
./strace-static-x86_64: Process 412 attached
[pid   412] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   412] setpgid(0, 0)               = 0
[pid   412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   412] write(3, "1000", 4)         = 4
[pid   412] close(3)                    = 0
[pid   412] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   412] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20},  <unfinished ...>
[pid   361] exit(0)                     = ?
[pid   361] +++ exited with 0 +++
[pid   412] <... rt_sigaction resumed>NULL, 8) = 0
[pid   412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   412] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[413]}, 88) = 413
[pid   412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   412] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   412] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 413 attached
 <unfinished ...>
[pid   413] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   413] getpid()                    = 412
[pid   413] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   412] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   412] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... futex resumed>)        = 1
[pid   413] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 412, 0, -1, 0) = 3
[pid   413] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   413] <... futex resumed>)        = 1
[pid   412] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   413] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   412] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = 0
[pid   413] <... futex resumed>)        = 0
[pid   412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   413] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] <... mmap resumed>)         = 0x7f87cbec1000
[pid   412] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 414 attached
 => {parent_tid=[414]}, 88) = 414
[pid   414] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   412] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   414] <... set_robust_list resumed>) = 0
[pid   414] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   412] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   412] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   412] <... futex resumed>)        = 0
[pid   414] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   412] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   413] <... futex resumed>)        = 0
[pid   412] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] close(3)                    = 0
[pid   413] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   412] <... futex resumed>)        = 0
[pid   413] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 415 attached
 <unfinished ...>
[pid   414] <... clone resumed>)        = 415
[pid   414] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   414] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] exit_group(0 <unfinished ...>
[pid   414] <... futex resumed>)        = ?
[pid   413] <... futex resumed>)        = ?
[pid   412] <... exit_group resumed>)   = ?
[pid   414] +++ exited with 0 +++
[pid   413] +++ exited with 0 +++
[pid   412] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 416
./strace-static-x86_64: Process 416 attached
[pid   416] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   416] setpgid(0, 0)               = 0
[pid   416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   416] write(3, "1000", 4)         = 4
[pid   416] close(3)                    = 0
[pid   416] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   416] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   416] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[417]}, 88) = 417
[pid   416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   416] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   416] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 417 attached
 <unfinished ...>
[pid   417] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   417] getpid()                    = 416
[pid   417] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   416] <... futex resumed>)        = 0
[pid   416] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   416] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] <... futex resumed>)        = 1
[pid   417] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 416, 0, -1, 0) = 3
[pid   417] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   416] <... futex resumed>)        = 0
[pid   417] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   416] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   417] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   416] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   417] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   417] <... futex resumed>)        = 0
[pid   416] <... mmap resumed>)         = 0x7f87cbec1000
[pid   416] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   417] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   416] <... mprotect resumed>)     = 0
[pid   416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 418 attached
 => {parent_tid=[418]}, 88) = 418
[pid   418] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   416] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   418] <... set_robust_list resumed>) = 0
[pid   416] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   418] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   416] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   418] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   416] <... futex resumed>)        = 0
[pid   416] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   418] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   417] <... futex resumed>)        = 0
[pid   416] <... futex resumed>)        = 1
[pid   417] close(3 <unfinished ...>
[pid   416] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] <... close resumed>)        = 0
[pid   417] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   416] <... futex resumed>)        = 0
[pid   418] <... clone resumed>)        = 419
[pid   417] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   418] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   418] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 419 attached
 <unfinished ...>
[pid   416] exit_group(0 <unfinished ...>
[pid   418] <... futex resumed>)        = ?
[pid   417] <... futex resumed>)        = ?
[pid   416] <... exit_group resumed>)   = ?
[pid   418] +++ exited with 0 +++
[pid   417] +++ exited with 0 +++
[pid   416] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   366] exit(0 <unfinished ...>
[pid   299] <... clone resumed>, child_tidptr=0x555555e7b690) = 420
[pid   366] <... exit resumed>)         = ?
./strace-static-x86_64: Process 420 attached
[pid   420] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   420] setpgid(0, 0 <unfinished ...>
[pid   366] +++ exited with 0 +++
[pid   420] <... setpgid resumed>)      = 0
[pid   420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   420] write(3, "1000", 4)         = 4
[pid   420] close(3)                    = 0
[pid   420] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   420] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   420] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   420] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 421 attached
 => {parent_tid=[421]}, 88) = 421
[pid   421] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   420] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   421] <... set_robust_list resumed>) = 0
[pid   420] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   421] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   420] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   421] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   420] <... futex resumed>)        = 0
[pid   421] getpid( <unfinished ...>
[pid   420] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   421] <... getpid resumed>)       = 420
[pid   421] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   421] <... futex resumed>)        = 1
[pid   420] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   420] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   421] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 420, 0, -1, 0) = 3
[pid   421] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   421] <... futex resumed>)        = 1
[pid   421] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   420] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   421] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   420] <... futex resumed>)        = 0
[pid   421] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   421] <... futex resumed>)        = 0
[pid   420] <... futex resumed>)        = 0
[pid   421] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   420] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   420] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   420] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 422 attached
[], 8) = 0
[pid   421] <... clone resumed>)        = 422
[pid   420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   421] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   421] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   420] <... clone3 resumed> => {parent_tid=[423]}, 88) = 423
[pid   420] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 423 attached
NULL, 8) = 0
[pid   423] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   420] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   423] <... set_robust_list resumed>) = 0
[pid   420] <... futex resumed>)        = 0
[pid   423] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   420] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   423] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   423] close(3)                    = 0
[pid   423] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   420] <... futex resumed>)        = 0
[pid   420] exit_group(0 <unfinished ...>
[pid   421] <... futex resumed>)        = ?
[pid   420] <... exit_group resumed>)   = ?
[pid   421] +++ exited with 0 +++
[pid   423] +++ exited with 0 +++
[pid   420] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 424
./strace-static-x86_64: Process 424 attached
[pid   424] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   424] setpgid(0, 0)               = 0
[pid   424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   424] write(3, "1000", 4)         = 4
[pid   424] close(3)                    = 0
[pid   424] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   424] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   424] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 425 attached
 => {parent_tid=[425]}, 88) = 425
[pid   425] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   424] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   425] <... set_robust_list resumed>) = 0
[pid   424] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   425] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   424] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   424] <... futex resumed>)        = 0
[pid   425] getpid( <unfinished ...>
[pid   424] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   425] <... getpid resumed>)       = 424
[pid   425] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   424] <... futex resumed>)        = 0
[pid   425] <... futex resumed>)        = 1
[pid   424] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   371] exit(0 <unfinished ...>
[pid   424] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   371] <... exit resumed>)         = ?
[pid   425] perf_event_open( <unfinished ...>
[pid   371] +++ exited with 0 +++
[pid   425] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 424, 0, -1, 0) = 3
[pid   425] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   424] <... futex resumed>)        = 0
[pid   425] <... futex resumed>)        = 1
[pid   424] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   424] <... futex resumed>)        = 0
[pid   425] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   424] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   424] <... futex resumed>)        = 0
[pid   425] <... futex resumed>)        = 0
[pid   424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   425] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   424] <... mmap resumed>)         = 0x7f87cbec1000
[pid   424] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 426 attached
 => {parent_tid=[426]}, 88) = 426
[pid   426] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   424] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   426] <... set_robust_list resumed>) = 0
[pid   424] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   426] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   424] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   426] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   424] <... futex resumed>)        = 0
[pid   426] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   424] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   425] <... futex resumed>)        = 0
[pid   424] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   425] close(3)                    = 0
[pid   425] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   424] <... futex resumed>)        = 0
[pid   425] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 427 attached
 <unfinished ...>
[pid   426] <... clone resumed>)        = 427
[pid   426] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   426] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   424] exit_group(0)               = ?
[pid   425] <... futex resumed>)        = ?
[pid   426] <... futex resumed>)        = ?
[pid   425] +++ exited with 0 +++
[pid   426] +++ exited with 0 +++
[pid   424] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 428 attached
, child_tidptr=0x555555e7b690) = 428
[pid   428] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   428] setpgid(0, 0)               = 0
[pid   428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   428] write(3, "1000", 4)         = 4
[pid   428] close(3)                    = 0
[pid   428] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   428] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 429 attached
 <unfinished ...>
[pid   429] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   429] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   428] <... clone3 resumed> => {parent_tid=[429]}, 88) = 429
[pid   428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   428] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] <... futex resumed>)        = 0
[pid   428] <... futex resumed>)        = 1
[pid   429] getpid( <unfinished ...>
[pid   428] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   429] <... getpid resumed>)       = 428
[pid   429] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   428] <... futex resumed>)        = 0
[pid   428] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   376] exit(0)                     = ?
[pid   429] perf_event_open( <unfinished ...>
[pid   376] +++ exited with 0 +++
[pid   429] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 428, 0, -1, 0) = 3
[pid   429] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   428] <... futex resumed>)        = 0
[pid   428] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   428] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   429] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   428] <... clone3 resumed> => {parent_tid=[430]}, 88) = 430
[pid   428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   428] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   428] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 431 attached
 <unfinished ...>
[pid   429] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   428] <... clone3 resumed> => {parent_tid=[431]}, 88) = 431
[pid   428] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   429] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   428] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 430 attached
 <unfinished ...>
[pid   430] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   430] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   429] <... futex resumed>)        = 0
[pid   431] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   429] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   431] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 432 attached
[pid   431] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   430] <... clone resumed>)        = 432
[pid   430] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   430] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   431] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   431] close(3)                    = 0
[pid   431] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   428] <... futex resumed>)        = 0
[pid   431] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   428] exit_group(0)               = ?
[pid   430] <... futex resumed>)        = ?
[pid   429] <... futex resumed>)        = 230
[pid   431] <... futex resumed>)        = ?
[pid   430] +++ exited with 0 +++
[pid   429] +++ exited with 0 +++
[pid   431] +++ exited with 0 +++
[pid   428] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 433
./strace-static-x86_64: Process 433 attached
[pid   433] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   433] setpgid(0, 0)               = 0
[pid   433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   433] write(3, "1000", 4)         = 4
[pid   433] close(3)                    = 0
[pid   433] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   433] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   379] exit(0)                     = ?
[pid   433] <... mmap resumed>)         = 0x7f87cbee2000
[pid   379] +++ exited with 0 +++
[pid   433] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 434 attached
 <unfinished ...>
[pid   434] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   434] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   433] <... clone3 resumed> => {parent_tid=[434]}, 88) = 434
[pid   433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   433] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   433] <... futex resumed>)        = 1
[pid   434] getpid()                    = 433
[pid   434] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   433] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   433] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   434] <... futex resumed>)        = 0
[pid   434] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 433, 0, -1, 0) = 3
[pid   433] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   433] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   433] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   434] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   433] <... futex resumed>)        = 1
[pid   434] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   434] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   433] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   434] <... futex resumed>)        = 0
[pid   434] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   433] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] <... clone resumed>)        = 435
[pid   433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   434] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 435 attached
 <unfinished ...>
[pid   433] <... mmap resumed>)         = 0x7f87cbec1000
[pid   433] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 436 attached
 => {parent_tid=[436]}, 88) = 436
[pid   436] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   436] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   433] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   433] <... futex resumed>)        = 1
[pid   436] close(3)                    = 0
[pid   436] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   436] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   433] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   433] exit_group(0 <unfinished ...>
[pid   436] <... futex resumed>)        = ?
[pid   434] <... futex resumed>)        = ?
[pid   433] <... exit_group resumed>)   = ?
[pid   434] +++ exited with 0 +++
[pid   436] +++ exited with 0 +++
[pid   433] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   384] exit(0)                     = ?
[pid   299] <... restart_syscall resumed>) = 0
[pid   384] +++ exited with 0 +++
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 437 attached
, child_tidptr=0x555555e7b690) = 437
[pid   437] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   437] setpgid(0, 0)               = 0
[pid   437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   437] write(3, "1000", 4)         = 4
[pid   437] close(3)                    = 0
[pid   437] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   437] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   437] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[438]}, 88) = 438
./strace-static-x86_64: Process 438 attached
[pid   438] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   438] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   437] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   438] <... futex resumed>)        = 0
[pid   437] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   438] getpid()                    = 437
[pid   438] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   437] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   438] <... futex resumed>)        = 0
[pid   438] perf_event_open( <unfinished ...>
[pid   437] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   438] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 437, 0, -1, 0) = 3
[pid   438] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   437] <... futex resumed>)        = 0
[pid   437] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   437] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   437] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[439]}, 88) = 439
[pid   437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   437] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   437] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   437] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0}./strace-static-x86_64: Process 440 attached
 <unfinished ...>
[pid   438] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   437] <... clone3 resumed> => {parent_tid=[440]}, 88) = 440
[pid   437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   437] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   437] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 439 attached
 <unfinished ...>
[pid   439] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   439] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   440] set_robust_list(0x7f87cbec09a0, 24 <unfinished ...>
[pid   438] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   440] <... set_robust_list resumed>) = 0
[pid   439] <... clone resumed>)        = 441
[pid   439] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] <... futex resumed>)        = 0
[pid   439] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 441 attached
 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   438] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   440] close(3 <unfinished ...>
[pid   387] exit(0)                     = ?
[pid   440] <... close resumed>)        = 0
[pid   387] +++ exited with 0 +++
[pid   440] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   437] <... futex resumed>)        = 0
[pid   440] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   437] exit_group(0 <unfinished ...>
[pid   439] <... futex resumed>)        = ?
[pid   438] <... futex resumed>)        = ?
[pid   437] <... exit_group resumed>)   = ?
[pid   439] +++ exited with 0 +++
[pid   440] <... futex resumed>)        = ?
[pid   438] +++ exited with 0 +++
[pid   440] +++ exited with 0 +++
[pid   437] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 442
./strace-static-x86_64: Process 442 attached
[pid   442] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   442] setpgid(0, 0)               = 0
[pid   442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   442] write(3, "1000", 4)         = 4
[pid   442] close(3)                    = 0
[pid   442] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   442] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} => {parent_tid=[444]}, 88) = 444
[pid   442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   442] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 444 attached
 <unfinished ...>
[pid   444] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   444] getpid()                    = 442
[pid   444] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   442] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 442, 0, -1, 0) = 3
[pid   444] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   442] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   442] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[445]}, 88) = 445
[pid   444] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   442] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   442] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} <unfinished ...>
[pid   393] exit(0)                     = ?
[pid   444] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   393] +++ exited with 0 +++
[pid   442] <... clone3 resumed> => {parent_tid=[446]}, 88) = 446
./strace-static-x86_64: Process 446 attached
[pid   444] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   442] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 445 attached
 <unfinished ...>
[pid   445] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   445] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   444] <... futex resumed>)        = 0
[pid   445] <... clone resumed>)        = 447
[pid   445] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   445] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 447 attached
 <unfinished ...>
[pid   444] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   446] set_robust_list(0x7f87cbec09a0, 24) = 0
[pid   446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   446] close(3)                    = 0
[pid   446] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   446] futex(0x7f87cbfcb348, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] exit_group(0 <unfinished ...>
[pid   446] <... futex resumed>)        = ?
[pid   445] <... futex resumed>)        = ?
[pid   444] <... futex resumed>)        = ?
[pid   442] <... exit_group resumed>)   = ?
[pid   445] +++ exited with 0 +++
[pid   444] +++ exited with 0 +++
[pid   446] +++ exited with 0 +++
[pid   442] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 448
./strace-static-x86_64: Process 448 attached
[pid   448] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   448] setpgid(0, 0)               = 0
[pid   448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   448] write(3, "1000", 4)         = 4
[pid   448] close(3)                    = 0
[pid   448] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   448] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0} <unfinished ...>
[pid   398] exit(0)                     = ?
[pid   398] +++ exited with 0 +++
./strace-static-x86_64: Process 449 attached
[pid   449] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   449] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   448] <... clone3 resumed> => {parent_tid=[449]}, 88) = 449
[pid   448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   448] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   449] <... futex resumed>)        = 0
[pid   449] getpid()                    = 448
[pid   449] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   448] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   448] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   449] <... futex resumed>)        = 0
[pid   448] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   449] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 448, 0, -1, 0) = 3
[pid   449] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   448] <... futex resumed>)        = 0
[pid   448] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   448] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   448] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   449] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   448] <... rt_sigprocmask resumed>[], 8) = 0
[pid   449] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   449] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   448] <... clone3 resumed> => {parent_tid=[450]}, 88) = 450
[pid   448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   448] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   448] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   449] <... futex resumed>)        = 0
[pid   449] close(3)                    = 0
[pid   449] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   449] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   448] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
./strace-static-x86_64: Process 450 attached
[pid   450] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   450] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 451 attached
) = 451
[pid   450] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   450] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   448] exit_group(0 <unfinished ...>
[pid   449] <... futex resumed>)        = ?
[pid   448] <... exit_group resumed>)   = ?
[pid   449] +++ exited with 0 +++
[pid   450] <... futex resumed>)        = ?
[pid   450] +++ exited with 0 +++
[pid   448] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 452
./strace-static-x86_64: Process 452 attached
[pid   452] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   452] setpgid(0, 0)               = 0
[pid   452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   452] write(3, "1000", 4)         = 4
[pid   452] close(3)                    = 0
[pid   452] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   401] exit(0)                     = ?
[pid   401] +++ exited with 0 +++
[pid   452] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   452] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 453 attached
 <unfinished ...>
[pid   453] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   452] <... clone3 resumed> => {parent_tid=[453]}, 88) = 453
[pid   453] <... set_robust_list resumed>) = 0
[pid   453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   453] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   452] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   453] <... futex resumed>)        = 0
[pid   453] getpid()                    = 452
[pid   453] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   453] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   452] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   452] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   452] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   453] <... futex resumed>)        = 0
[pid   453] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 452, 0, -1, 0) = 3
[pid   453] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   452] <... futex resumed>)        = 0
[pid   452] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   452] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   452] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} => {parent_tid=[454]}, 88) = 454
[pid   453] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   452] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   452] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbea0000
[pid   452] mprotect(0x7f87cbea1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   453] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   452] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   453] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   452] <... rt_sigprocmask resumed>[], 8) = 0
[pid   452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbec0990, parent_tid=0x7f87cbec0990, exit_signal=0, stack=0x7f87cbea0000, stack_size=0x20300, tls=0x7f87cbec06c0} <unfinished ...>
[pid   453] <... futex resumed>)        = 0
[pid   452] <... clone3 resumed> => {parent_tid=[455]}, 88) = 455
[pid   452] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   453] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   452] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   452] futex(0x7f87cbfcb348, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   452] futex(0x7f87cbfcb34c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 454 attached
 <unfinished ...>
[pid   454] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   454] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE./strace-static-x86_64: Process 455 attached
 <unfinished ...>
[pid   455] set_robust_list(0x7f87cbec09a0, 24) = 0
./strace-static-x86_64: Process 456 attached
[pid   455] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   454] <... clone resumed>)        = 456
[pid   454] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   454] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   455] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   455] close(3)                    = 0
[pid   455] futex(0x7f87cbfcb34c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   452] <... futex resumed>)        = 0
[pid   452] exit_group(0)               = ?
[pid   453] <... futex resumed>)        = ?
[pid   454] <... futex resumed>)        = ?
[pid   454] +++ exited with 0 +++
[pid   453] +++ exited with 0 +++
[pid   455] +++ exited with 0 +++
[pid   452] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   407] exit(0)                     = ?
[pid   299] <... restart_syscall resumed>) = 0
[pid   407] +++ exited with 0 +++
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 457
./strace-static-x86_64: Process 457 attached
[pid   457] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   457] setpgid(0, 0)               = 0
[pid   457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   457] write(3, "1000", 4)         = 4
[pid   457] close(3)                    = 0
[pid   457] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   457] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   457] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 458 attached
 => {parent_tid=[458]}, 88) = 458
[pid   458] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   458] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   457] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   458] <... futex resumed>)        = 0
[pid   458] getpid()                    = 457
[pid   458] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   457] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   458] <... futex resumed>)        = 0
[pid   458] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   457] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   457] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   458] <... futex resumed>)        = 0
[pid   457] <... futex resumed>)        = 1
[pid   458] perf_event_open( <unfinished ...>
[pid   457] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   458] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 457, 0, -1, 0) = 3
[pid   458] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   458] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   457] <... futex resumed>)        = 0
[pid   457] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   458] <... futex resumed>)        = 0
[pid   458] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   458] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   458] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   457] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   458] <... futex resumed>)        = 0
[pid   458] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   457] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   458] <... clone resumed>)        = 459
[pid   457] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   458] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   458] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 459 attached
 <unfinished ...>
[pid   457] <... mprotect resumed>)     = 0
[pid   457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 460 attached
 <unfinished ...>
[pid   460] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   457] <... clone3 resumed> => {parent_tid=[460]}, 88) = 460
[pid   460] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   457] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   460] <... futex resumed>)        = 0
[pid   457] <... futex resumed>)        = 1
[pid   457] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   460] close(3)                    = 0
[pid   460] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   457] <... futex resumed>)        = 0
[pid   457] exit_group(0 <unfinished ...>
[pid   460] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   458] <... futex resumed>)        = ?
[pid   458] +++ exited with 0 +++
[pid   460] <... futex resumed>)        = ?
[pid   457] <... exit_group resumed>)   = ?
[pid   460] +++ exited with 0 +++
[pid   457] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 461 attached
, child_tidptr=0x555555e7b690) = 461
[pid   461] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   461] setpgid(0, 0)               = 0
[pid   461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   461] write(3, "1000", 4)         = 4
[pid   411] exit(0 <unfinished ...>
[pid   461] close(3 <unfinished ...>
[pid   411] <... exit resumed>)         = ?
[pid   411] +++ exited with 0 +++
[pid   461] <... close resumed>)        = 0
[pid   461] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   461] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   461] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 462 attached
 => {parent_tid=[462]}, 88) = 462
[pid   462] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   462] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   461] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   462] <... futex resumed>)        = 0
[pid   462] getpid()                    = 461
[pid   462] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   462] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   461] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   462] <... futex resumed>)        = 0
[pid   462] perf_event_open( <unfinished ...>
[pid   461] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   462] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 461, 0, -1, 0) = 3
[pid   462] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   461] <... futex resumed>)        = 0
[pid   462] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   462] <... futex resumed>)        = 0
[pid   461] <... futex resumed>)        = 1
[pid   462] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   461] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   462] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   461] <... futex resumed>)        = 0
[pid   462] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   462] <... futex resumed>)        = 0
[pid   461] <... mmap resumed>)         = 0x7f87cbec1000
[pid   462] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 463 attached
 => {parent_tid=[463]}, 88) = 463
[pid   463] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   461] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   463] <... set_robust_list resumed>) = 0
[pid   461] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   463] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   461] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   463] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   463] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   461] <... futex resumed>)        = 0
[pid   461] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   462] <... futex resumed>)        = 0
[pid   461] <... futex resumed>)        = 1
[pid   462] close(3 <unfinished ...>
[pid   461] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   462] <... close resumed>)        = 0
[pid   462] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   461] <... futex resumed>)        = 0
[pid   462] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 464 attached
 <unfinished ...>
[pid   463] <... clone resumed>)        = 464
[pid   463] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   463] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] exit_group(0)               = ?
[pid   462] <... futex resumed>)        = ?
[pid   463] <... futex resumed>)        = ?
[pid   462] +++ exited with 0 +++
[pid   463] +++ exited with 0 +++
[pid   461] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   415] exit(0)                     = ?
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   415] +++ exited with 0 +++
[pid   299] <... clone resumed>, child_tidptr=0x555555e7b690) = 465
./strace-static-x86_64: Process 465 attached
[pid   465] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   465] setpgid(0, 0)               = 0
[pid   465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   465] write(3, "1000", 4)         = 4
[pid   465] close(3)                    = 0
[pid   465] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   465] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   465] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 466 attached
 => {parent_tid=[466]}, 88) = 466
[pid   466] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   466] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   465] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   466] <... futex resumed>)        = 0
[pid   465] <... futex resumed>)        = 1
[pid   466] getpid()                    = 465
[pid   465] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   466] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   466] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   465] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   466] <... futex resumed>)        = 0
[pid   465] <... futex resumed>)        = 1
[pid   466] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 465, 0, -1, 0) = 3
[pid   466] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   466] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   465] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   466] <... futex resumed>)        = 0
[pid   466] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   465] <... futex resumed>)        = 1
[pid   466] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   466] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   466] <... futex resumed>)        = 0
[pid   465] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   466] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   465] <... futex resumed>)        = 0
[pid   465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   466] <... clone resumed>)        = 467
[pid   465] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   419] exit(0 <unfinished ...>
[pid   465] <... mprotect resumed>)     = 0
[pid   419] <... exit resumed>)         = ?
[pid   465] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   419] +++ exited with 0 +++
[pid   466] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] <... rt_sigprocmask resumed>[], 8) = 0
[pid   466] <... futex resumed>)        = 0
[pid   465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   466] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 467 attached
./strace-static-x86_64: Process 468 attached
 <unfinished ...>
[pid   465] <... clone3 resumed> => {parent_tid=[468]}, 88) = 468
[pid   468] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   468] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   465] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = 0
[pid   465] <... futex resumed>)        = 1
[pid   468] close(3 <unfinished ...>
[pid   465] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] <... close resumed>)        = 0
[pid   468] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   465] <... futex resumed>)        = 0
[pid   468] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] exit_group(0 <unfinished ...>
[pid   466] <... futex resumed>)        = ?
[pid   466] +++ exited with 0 +++
[pid   465] <... exit_group resumed>)   = ?
[pid   468] <... futex resumed>)        = ?
[pid   468] +++ exited with 0 +++
[pid   465] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 469
./strace-static-x86_64: Process 469 attached
[pid   469] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   469] setpgid(0, 0)               = 0
[pid   469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   469] write(3, "1000", 4)         = 4
[pid   469] close(3)                    = 0
[pid   469] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   469] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   469] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 470 attached
 => {parent_tid=[470]}, 88) = 470
[pid   470] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   469] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   470] <... set_robust_list resumed>) = 0
[pid   469] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   470] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   469] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   470] getpid( <unfinished ...>
[pid   469] <... futex resumed>)        = 0
[pid   422] exit(0 <unfinished ...>
[pid   470] <... getpid resumed>)       = 469
[pid   469] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   470] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   422] <... exit resumed>)         = ?
[pid   470] <... futex resumed>)        = 0
[pid   469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   422] +++ exited with 0 +++
[pid   469] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] perf_event_open( <unfinished ...>
[pid   469] <... futex resumed>)        = 0
[pid   470] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 469, 0, -1, 0) = 3
[pid   469] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   470] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   470] <... futex resumed>)        = 0
[pid   469] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   469] <... futex resumed>)        = 0
[pid   470] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   469] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   469] <... futex resumed>)        = 0
[pid   470] <... futex resumed>)        = 0
[pid   469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   470] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   469] <... mmap resumed>)         = 0x7f87cbec1000
[pid   469] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 471 attached
 => {parent_tid=[471]}, 88) = 471
[pid   471] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   469] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   471] <... set_robust_list resumed>) = 0
[pid   469] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   471] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   469] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   471] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   469] <... futex resumed>)        = 0
[pid   471] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   469] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   470] <... futex resumed>)        = 0
[pid   469] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   470] close(3)                    = 0
[pid   470] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   469] <... futex resumed>)        = 0
[pid   470] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 472 attached
 <unfinished ...>
[pid   471] <... clone resumed>)        = 472
[pid   471] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   471] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   469] exit_group(0 <unfinished ...>
[pid   470] <... futex resumed>)        = ?
[pid   469] <... exit_group resumed>)   = ?
[pid   470] +++ exited with 0 +++
[pid   471] <... futex resumed>)        = ?
[pid   471] +++ exited with 0 +++
[pid   469] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 473 attached
, child_tidptr=0x555555e7b690) = 473
[pid   473] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   473] setpgid(0, 0)               = 0
[pid   473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   473] write(3, "1000", 4)         = 4
[pid   473] close(3)                    = 0
[pid   473] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   473] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   473] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   427] exit(0)                     = ?
[pid   473] <... mprotect resumed>)     = 0
[pid   427] +++ exited with 0 +++
[pid   473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 474 attached
 => {parent_tid=[474]}, 88) = 474
[pid   474] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   474] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   473] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   474] <... futex resumed>)        = 0
[pid   474] getpid()                    = 473
[pid   474] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   474] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   473] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   473] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   474] <... futex resumed>)        = 0
[pid   474] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 473, 0, -1, 0) = 3
[pid   474] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   474] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   473] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   473] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   474] <... futex resumed>)        = 0
[pid   474] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   474] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   474] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   473] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   474] <... futex resumed>)        = 0
[pid   474] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   473] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   474] <... clone resumed>)        = 475
[pid   474] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   474] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 475 attached
 <unfinished ...>
[pid   473] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 476 attached
 <unfinished ...>
[pid   476] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   473] <... clone3 resumed> => {parent_tid=[476]}, 88) = 476
[pid   476] <... set_robust_list resumed>) = 0
[pid   476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   476] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   473] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = 0
[pid   473] <... futex resumed>)        = 1
[pid   476] close(3)                    = 0
[pid   476] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   476] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   473] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   473] exit_group(0 <unfinished ...>
[pid   474] <... futex resumed>)        = ?
[pid   473] <... exit_group resumed>)   = ?
[pid   474] +++ exited with 0 +++
[pid   476] <... futex resumed>)        = ?
[pid   476] +++ exited with 0 +++
[pid   473] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 477
./strace-static-x86_64: Process 477 attached
[pid   477] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   477] setpgid(0, 0)               = 0
[pid   477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   477] write(3, "1000", 4)         = 4
[pid   477] close(3)                    = 0
[pid   477] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   477] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   477] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 478 attached
 => {parent_tid=[478]}, 88) = 478
[pid   478] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   477] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   478] <... set_robust_list resumed>) = 0
[pid   477] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   478] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   477] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   477] <... futex resumed>)        = 0
[pid   478] getpid( <unfinished ...>
[pid   477] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... getpid resumed>)       = 477
[pid   478] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   478] <... futex resumed>)        = 1
[pid   477] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   478] perf_event_open( <unfinished ...>
[pid   477] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 477, 0, -1, 0) = 3
[pid   478] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   477] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   477] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   477] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   478] <... futex resumed>)        = 1
[pid   477] <... rt_sigprocmask resumed>[], 8) = 0
[pid   477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   478] bpf(BPF_MAP_CREATE, NULL, 0./strace-static-x86_64: Process 479 attached
) = -1 EINVAL (Invalid argument)
[pid   478] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... clone3 resumed> => {parent_tid=[479]}, 88) = 479
[pid   479] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   477] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   478] <... futex resumed>)        = 0
[pid   477] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   478] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   432] exit(0 <unfinished ...>
[pid   477] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   478] <... futex resumed>)        = 0
[pid   432] <... exit resumed>)         = ?
[pid   478] close(3 <unfinished ...>
[pid   477] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   478] <... close resumed>)        = 0
[pid   432] +++ exited with 0 +++
[pid   478] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   479] <... set_robust_list resumed>) = 0
[pid   479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   479] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   478] <... futex resumed>)        = 1
[pid   478] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   479] <... clone resumed>)        = 480
[pid   479] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   479] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 480 attached
 <unfinished ...>
[pid   477] exit_group(0)               = ?
[pid   479] <... futex resumed>)        = ?
[pid   478] <... futex resumed>)        = ?
[pid   479] +++ exited with 0 +++
[pid   478] +++ exited with 0 +++
[pid   477] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 481 attached
, child_tidptr=0x555555e7b690) = 481
[pid   481] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   481] setpgid(0, 0)               = 0
[pid   481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   481] write(3, "1000", 4)         = 4
[pid   481] close(3)                    = 0
[pid   481] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   481] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   481] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 482 attached
 <unfinished ...>
[pid   482] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   482] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   481] <... clone3 resumed> => {parent_tid=[482]}, 88) = 482
[pid   481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   481] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... futex resumed>)        = 0
[pid   481] <... futex resumed>)        = 1
[pid   482] getpid()                    = 481
[pid   482] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   482] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   481] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   481] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   482] <... futex resumed>)        = 0
[pid   481] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 481, 0, -1, 0) = 3
[pid   482] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   481] <... futex resumed>)        = 0
[pid   482] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   481] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   481] <... futex resumed>)        = 0
[pid   482] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   481] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... futex resumed>)        = 0
[pid   481] <... futex resumed>)        = 0
[pid   481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   482] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   481] <... mmap resumed>)         = 0x7f87cbec1000
[pid   481] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 483 attached
 <unfinished ...>
[pid   483] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   483] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   481] <... clone3 resumed> => {parent_tid=[483]}, 88) = 483
[pid   483] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   481] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   483] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   481] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   481] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   481] <... futex resumed>)        = 0
[pid   481] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   482] <... futex resumed>)        = 0
[pid   481] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] close(3)                    = 0
[pid   482] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   481] <... futex resumed>)        = 0
[pid   435] exit(0)                     = ?
[pid   482] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] +++ exited with 0 +++
./strace-static-x86_64: Process 484 attached
[pid   483] <... clone resumed>)        = 484
[pid   483] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   483] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   481] exit_group(0)               = ?
[pid   483] <... futex resumed>)        = ?
[pid   483] +++ exited with 0 +++
[pid   482] <... futex resumed>)        = ?
[pid   482] +++ exited with 0 +++
[pid   481] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 485
./strace-static-x86_64: Process 485 attached
[pid   485] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   485] setpgid(0, 0)               = 0
[pid   485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   485] write(3, "1000", 4)         = 4
[pid   485] close(3)                    = 0
[pid   485] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   485] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   485] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   485] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 486 attached
 => {parent_tid=[486]}, 88) = 486
[pid   486] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   485] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   486] <... set_robust_list resumed>) = 0
[pid   485] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   486] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   485] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   486] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   485] <... futex resumed>)        = 0
[pid   486] getpid()                    = 485
[pid   486] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   486] <... futex resumed>)        = 0
[pid   485] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   486] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   485] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   486] <... futex resumed>)        = 0
[pid   486] perf_event_open( <unfinished ...>
[pid   485] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   486] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 485, 0, -1, 0) = 3
[pid   486] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   485] <... futex resumed>)        = 0
[pid   485] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   486] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   485] <... futex resumed>)        = 0
[pid   485] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   485] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   485] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   486] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   485] <... rt_sigprocmask resumed>[], 8) = 0
[pid   485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   486] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] <... clone3 resumed> => {parent_tid=[487]}, 88) = 487
[pid   486] <... futex resumed>)        = 0
[pid   485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   485] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   485] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   485] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 487 attached
 <unfinished ...>
[pid   487] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   486] close(3 <unfinished ...>
[pid   487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   487] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   486] <... close resumed>)        = 0
[pid   486] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   485] <... futex resumed>)        = 0
[pid   486] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] <... clone resumed>)        = 488
[pid   487] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   487] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 488 attached
 <unfinished ...>
[pid   485] exit_group(0 <unfinished ...>
[pid   487] <... futex resumed>)        = ?
[pid   485] <... exit_group resumed>)   = ?
[pid   487] +++ exited with 0 +++
[pid   486] <... futex resumed>)        = ?
[pid   486] +++ exited with 0 +++
[pid   485] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 489
./strace-static-x86_64: Process 489 attached
[pid   489] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   489] setpgid(0, 0)               = 0
[pid   489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   489] write(3, "1000", 4)         = 4
[pid   489] close(3)                    = 0
[pid   489] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   489] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   489] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 490 attached
 <unfinished ...>
[pid   490] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   490] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   489] <... clone3 resumed> => {parent_tid=[490]}, 88) = 490
[pid   490] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   490] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   489] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] exit(0 <unfinished ...>
[pid   489] <... futex resumed>)        = 1
[pid   441] <... exit resumed>)         = ?
[pid   490] <... futex resumed>)        = 0
[pid   490] getpid()                    = 489
[pid   490] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   490] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] +++ exited with 0 +++
[pid   489] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   489] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   490] <... futex resumed>)        = 0
[pid   489] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 489, 0, -1, 0) = 3
[pid   490] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   489] <... futex resumed>)        = 0
[pid   489] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   489] <... futex resumed>)        = 0
[pid   490] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   489] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   489] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   490] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... clone3 resumed> => {parent_tid=[491]}, 88) = 491
./strace-static-x86_64: Process 491 attached
[pid   490] <... futex resumed>)        = 0
[pid   489] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   491] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   490] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   489] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   491] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   489] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   489] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   490] <... futex resumed>)        = 0
[pid   491] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   491] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   489] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] close(3)                    = 0
[pid   490] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   491] <... clone resumed>)        = 492
./strace-static-x86_64: Process 492 attached
[pid   490] <... futex resumed>)        = 1
[pid   489] <... futex resumed>)        = 0
[pid   491] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   489] exit_group(0 <unfinished ...>
[pid   491] <... futex resumed>)        = 0
[pid   489] <... exit_group resumed>)   = ?
[pid   490] <... futex resumed>)        = ?
[pid   490] +++ exited with 0 +++
[pid   491] +++ exited with 0 +++
[pid   489] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 493
./strace-static-x86_64: Process 493 attached
[pid   493] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   493] setpgid(0, 0)               = 0
[pid   493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   493] write(3, "1000", 4)         = 4
[pid   493] close(3)                    = 0
[pid   493] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   493] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   493] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   493] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 494 attached
 => {parent_tid=[494]}, 88) = 494
[pid   494] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   494] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   493] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   494] <... futex resumed>)        = 0
[pid   494] getpid()                    = 493
[pid   494] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   494] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   493] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] <... futex resumed>)        = 0
[pid   493] <... futex resumed>)        = 1
[pid   494] perf_event_open( <unfinished ...>
[pid   493] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 493, 0, -1, 0) = 3
[pid   494] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   494] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   493] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] <... futex resumed>)        = 0
[pid   493] <... futex resumed>)        = 1
[pid   494] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   494] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   494] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] <... futex resumed>)        = 0
[pid   493] <... futex resumed>)        = 1
[pid   494] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   493] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 495 attached
 <unfinished ...>
[pid   494] <... clone resumed>)        = 495
[pid   493] <... mmap resumed>)         = 0x7f87cbec1000
[pid   494] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   494] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   493] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 496 attached
 => {parent_tid=[496]}, 88) = 496
[pid   496] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   447] exit(0 <unfinished ...>
[pid   496] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   447] <... exit resumed>)         = ?
[pid   447] +++ exited with 0 +++
[pid   493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   493] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   496] <... futex resumed>)        = 0
[pid   496] close(3)                    = 0
[pid   493] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   496] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   496] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   493] exit_group(0 <unfinished ...>
[pid   494] <... futex resumed>)        = ?
[pid   493] <... exit_group resumed>)   = ?
[pid   494] +++ exited with 0 +++
[pid   496] <... futex resumed>)        = ?
[pid   496] +++ exited with 0 +++
[pid   493] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 497 attached
, child_tidptr=0x555555e7b690) = 497
[pid   497] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   497] setpgid(0, 0)               = 0
[pid   497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   497] write(3, "1000", 4)         = 4
[pid   497] close(3)                    = 0
[pid   497] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   497] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   497] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   497] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 498 attached
 => {parent_tid=[498]}, 88) = 498
[pid   498] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   497] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   498] <... set_robust_list resumed>) = 0
[pid   498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   498] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   497] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   497] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   497] <... futex resumed>)        = 1
[pid   498] getpid()                    = 497
[pid   498] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   498] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   497] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   497] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   497] <... futex resumed>)        = 1
[pid   498] perf_event_open( <unfinished ...>
[pid   497] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   498] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 497, 0, -1, 0) = 3
[pid   498] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   498] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   497] <... futex resumed>)        = 0
[pid   497] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   497] <... futex resumed>)        = 1
[pid   498] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   498] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   498] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   497] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   497] <... futex resumed>)        = 1
[pid   498] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   497] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   497] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   498] <... clone resumed>)        = 499
[pid   498] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   497] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   497] <... rt_sigprocmask resumed>[], 8) = 0
[pid   498] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 499 attached
./strace-static-x86_64: Process 500 attached
 => {parent_tid=[500]}, 88) = 500
[pid   500] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   497] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   500] <... set_robust_list resumed>) = 0
[pid   497] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   500] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   497] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   497] <... futex resumed>)        = 0
[pid   500] close(3 <unfinished ...>
[pid   497] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   500] <... close resumed>)        = 0
[pid   500] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   497] <... futex resumed>)        = 0
[pid   500] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   497] exit_group(0 <unfinished ...>
[pid   500] <... futex resumed>)        = ?
[pid   498] <... futex resumed>)        = ?
[pid   497] <... exit_group resumed>)   = ?
[pid   498] +++ exited with 0 +++
[pid   500] +++ exited with 0 +++
[pid   497] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 501
./strace-static-x86_64: Process 501 attached
[pid   501] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   501] setpgid(0, 0)               = 0
[pid   501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   501] write(3, "1000", 4)         = 4
[pid   501] close(3)                    = 0
[pid   501] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   501] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20},  <unfinished ...>
[pid   451] exit(0 <unfinished ...>
[pid   501] <... rt_sigaction resumed>NULL, 8) = 0
[pid   451] <... exit resumed>)         = ?
[pid   451] +++ exited with 0 +++
[pid   501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   501] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   501] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 502 attached
 => {parent_tid=[502]}, 88) = 502
[pid   502] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   501] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   502] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   501] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   502] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   501] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] getpid()                    = 501
[pid   502] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... futex resumed>)        = 0
[pid   502] <... futex resumed>)        = 0
[pid   502] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   501] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   501] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   502] <... futex resumed>)        = 0
[pid   501] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   502] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 501, 0, -1, 0) = 3
[pid   502] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   501] <... futex resumed>)        = 0
[pid   501] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   501] <... futex resumed>)        = 0
[pid   501] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   501] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   501] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   502] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   502] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   501] <... rt_sigprocmask resumed>[], 8) = 0
[pid   501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0} <unfinished ...>
[pid   502] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   501] <... clone3 resumed> => {parent_tid=[503]}, 88) = 503
[pid   501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   501] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   501] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   501] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 503 attached
 <unfinished ...>
[pid   503] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   503] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] close(3)                    = 0
[pid   502] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... futex resumed>)        = 0
[pid   502] <... futex resumed>)        = 1
[pid   503] <... clone resumed>)        = 504
[pid   502] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   503] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   503] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 504 attached
 <unfinished ...>
[pid   501] exit_group(0)               = ?
[pid   503] <... futex resumed>)        = ?
[pid   502] <... futex resumed>)        = ?
[pid   503] +++ exited with 0 +++
[pid   502] +++ exited with 0 +++
[pid   501] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 505
./strace-static-x86_64: Process 505 attached
[pid   505] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   505] setpgid(0, 0)               = 0
[pid   505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   505] write(3, "1000", 4)         = 4
[pid   505] close(3)                    = 0
[pid   505] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   505] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   505] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 506 attached
 => {parent_tid=[506]}, 88) = 506
[pid   506] set_robust_list(0x7f87cbf029a0, 24 <unfinished ...>
[pid   505] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   506] <... set_robust_list resumed>) = 0
[pid   505] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   506] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   505] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   505] <... futex resumed>)        = 0
[pid   506] getpid( <unfinished ...>
[pid   505] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   506] <... getpid resumed>)       = 505
[pid   506] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   506] <... futex resumed>)        = 1
[pid   505] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   506] perf_event_open( <unfinished ...>
[pid   505] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   506] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 505, 0, -1, 0) = 3
[pid   506] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   506] <... futex resumed>)        = 1
[pid   505] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   506] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   505] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   506] <... futex resumed>)        = 0
[pid   505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   506] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   505] <... mmap resumed>)         = 0x7f87cbec1000
[pid   505] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 507 attached
 <unfinished ...>
[pid   507] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   507] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   505] <... clone3 resumed> => {parent_tid=[507]}, 88) = 507
[pid   505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   505] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   507] <... futex resumed>)        = 0
[pid   505] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   505] <... futex resumed>)        = 1
[pid   506] <... futex resumed>)        = 0
[pid   505] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   506] close(3 <unfinished ...>
[pid   507] <... clone resumed>)        = 508
[pid   507] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] <... close resumed>)        = 0
[pid   507] <... futex resumed>)        = 0
[pid   507] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   506] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   506] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 508 attached
 <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   505] exit_group(0)               = ?
[pid   507] <... futex resumed>)        = ?
[pid   507] +++ exited with 0 +++
[pid   506] <... futex resumed>)        = ?
[pid   506] +++ exited with 0 +++
[pid   505] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   456] exit(0)                     = ?
[pid   299] <... restart_syscall resumed>) = 0
[pid   456] +++ exited with 0 +++
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 509 attached
, child_tidptr=0x555555e7b690) = 509
[pid   509] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   509] setpgid(0, 0)               = 0
[pid   509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   509] write(3, "1000", 4)         = 4
[pid   509] close(3)                    = 0
[pid   509] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   509] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   509] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 510 attached
 => {parent_tid=[510]}, 88) = 510
[pid   510] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   510] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   509] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   510] <... futex resumed>)        = 0
[pid   510] getpid( <unfinished ...>
[pid   509] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   510] <... getpid resumed>)       = 509
[pid   510] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   510] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   509] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   510] <... futex resumed>)        = 0
[pid   510] perf_event_open( <unfinished ...>
[pid   509] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   510] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 509, 0, -1, 0) = 3
[pid   510] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   510] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] <... futex resumed>)        = 0
[pid   509] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   510] <... futex resumed>)        = 0
[pid   510] bpf(BPF_MAP_CREATE, NULL, 0) = -1 EINVAL (Invalid argument)
[pid   510] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   510] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   510] <... futex resumed>)        = 0
[pid   509] <... futex resumed>)        = 1
[pid   510] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   509] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbec1000
[pid   510] <... clone resumed>)        = 511
[pid   510] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   510] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 511 attached
 <unfinished ...>
[pid   509] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 512 attached
 <unfinished ...>
[pid   512] set_robust_list(0x7f87cbee19a0, 24) = 0
[pid   512] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   509] <... clone3 resumed> => {parent_tid=[512]}, 88) = 512
[pid   512] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   512] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   509] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   512] <... futex resumed>)        = 0
[pid   512] close(3)                    = 0
[pid   509] futex(0x7f87cbfcb33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   512] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   512] futex(0x7f87cbfcb338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   459] exit(0)                     = ?
[pid   509] exit_group(0 <unfinished ...>
[pid   459] +++ exited with 0 +++
[pid   510] <... futex resumed>)        = ?
[pid   509] <... exit_group resumed>)   = ?
[pid   510] +++ exited with 0 +++
[pid   512] <... futex resumed>)        = ?
[pid   512] +++ exited with 0 +++
[pid   509] +++ exited with 0 +++
[pid   299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   299] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e7b690) = 513
./strace-static-x86_64: Process 513 attached
[pid   513] set_robust_list(0x555555e7b6a0, 24) = 0
[pid   513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   513] setpgid(0, 0)               = 0
[pid   513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   513] write(3, "1000", 4)         = 4
[pid   513] close(3)                    = 0
[pid   513] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   513] rt_sigaction(SIGRT_1, {sa_handler=0x7f87cbf673a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f87cbf58a20}, NULL, 8) = 0
[pid   513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87cbee2000
[pid   513] mprotect(0x7f87cbee3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbf02990, parent_tid=0x7f87cbf02990, exit_signal=0, stack=0x7f87cbee2000, stack_size=0x20300, tls=0x7f87cbf026c0}./strace-static-x86_64: Process 514 attached
 <unfinished ...>
[pid   514] set_robust_list(0x7f87cbf029a0, 24) = 0
[pid   514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   514] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] <... clone3 resumed> => {parent_tid=[514]}, 88) = 514
[pid   513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   513] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   514] <... futex resumed>)        = 0
[pid   514] getpid()                    = 513
[pid   514] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   514] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   513] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   514] <... futex resumed>)        = 0
[pid   513] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   514] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_PAGE_FAULTS_MAJ, sample_period=0, sample_type=0, read_format=0, inherit=1, precise_ip=0 /* arbitrary skid */, ...}, 513, 0, -1, 0) = 3
[pid   514] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   514] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] <... futex resumed>)        = 0
[pid   513] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   514] <... futex resumed>)        = 0
[pid   513] futex(0x7f87cbfcb33c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   514] bpf(BPF_MAP_CREATE, NULL, 0 <unfinished ...>
[pid   513] <... futex resumed>)        = 0
[pid   514] <... bpf resumed>)          = -1 EINVAL (Invalid argument)
[pid   513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   514] futex(0x7f87cbfcb32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   513] <... mmap resumed>)         = 0x7f87cbec1000
[pid   514] <... futex resumed>)        = 0
[pid   513] mprotect(0x7f87cbec2000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   514] futex(0x7f87cbfcb328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] <... mprotect resumed>)     = 0
[pid   513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f87cbee1990, parent_tid=0x7f87cbee1990, exit_signal=0, stack=0x7f87cbec1000, stack_size=0x20300, tls=0x7f87cbee16c0}./strace-static-x86_64: Process 515 attached
 <unfinished ...>
[pid   515] set_robust_list(0x7f87cbee19a0, 24 <unfinished ...>
[pid   513] <... clone3 resumed> => {parent_tid=[515]}, 88) = 515
[pid   515] <... set_robust_list resumed>) = 0
[pid   513] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   515] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   513] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   515] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   513] futex(0x7f87cbfcb338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] clone(child_stack=NULL, flags=CLONE_FILES|CLONE_PTRACE <unfinished ...>
[pid   513] <... futex resumed>)        = 0
[pid   513] futex(0x7f87cbfcb328, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   514] <... futex resumed>)        = 0
[pid   513] futex(0x7f87cbfcb32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   514] close(3 <unfinished ...>
[pid   472] exit(0)                     = ?
[pid   472] +++ exited with 0 +++
[pid   480] exit(0)                     = ?
[pid   480] +++ exited with 0 +++
[   21.101164][  T515] general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN
[   21.112692][  T515] KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f]
[   21.120932][  T515] CPU: 0 PID: 515 Comm: syz-executor328 Not tainted 5.10.209-syzkaller-00435-gdd976ecce2ce #0
[   21.131003][  T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
[   21.140908][  T515] RIP: 0010:inherit_task_group+0x573/0x670
[   21.146535][  T515] Code: 81 c3 8c 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 a8 00 00 00 8b 1b 49 81 c7 8c 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a8 00 00 00 41 89 1f 45 31 ff 44 89 f8
[   21.165991][  T515] RSP: 0018:ffffc90000f679a8 EFLAGS: 00010207
[   21.171875][  T515] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff88811f0a13c0
[   21.179686][  T515] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88811819f890
[   21.187497][  T515] RBP: ffffc90000f67a10 R08: dffffc0000000000 R09: ffffed103ee0ae72
[pid   508] exit(0)                     = ?
[pid   508] +++ exited with 0 +++
[pid   511] exit(0)                     = ?
[pid   511] +++ exited with 0 +++
[   21.195307][  T515] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000f67ac0
[   21.203119][  T515] R13: dffffc0000000000 R14: ffff88811819f810 R15: 000000000000008c
[   21.210932][  T515] FS:  00007f87cbee16c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.219697][  T515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.226117][  T515] CR2: 00007f87cbee1d58 CR3: 00000001181ac000 CR4: 00000000003506b0
[   21.233941][  T515] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.241832][  T515] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.249642][  T515] Call Trace:
[   21.252771][  T515]  ? __die_body+0x62/0xb0
[   21.256932][  T515]  ? die_addr+0x9f/0xd0
[   21.260923][  T515]  ? exc_general_protection+0x3ff/0x490
[   21.266353][  T515]  ? asm_exc_general_protection+0x1e/0x30
[   21.271861][  T515]  ? inherit_task_group+0x573/0x670
[   21.276891][  T515]  ? inherit_task_group+0x52c/0x670
[   21.281926][  T515]  perf_event_init_task+0x331/0x770
[   21.286962][  T515]  ? memset+0x35/0x40
[   21.290780][  T515]  ? perf_event_attrs+0x30/0x30
[   21.295482][  T515]  ? sched_fork+0x162/0x7a0
[   21.299805][  T515]  copy_process+0x1015/0x3340
[   21.304317][  T515]  ? find_next_bit+0x7f/0x100
[   21.308834][  T515]  ? pidfd_show_fdinfo+0x2b0/0x2b0
[   21.313778][  T515]  kernel_clone+0x21e/0x9e0
[   21.318117][  T515]  ? _raw_spin_unlock_irq+0x4e/0x70
[   21.323151][  T515]  ? cgroup_leave_frozen+0x164/0x2c0
[   21.328273][  T515]  ? create_io_thread+0x1e0/0x1e0
[   21.333132][  T515]  ? ptrace_stop+0x6dc/0xa30
[   21.337557][  T515]  __x64_sys_clone+0x23f/0x290
[   21.342157][  T515]  ? __do_sys_vfork+0x130/0x130
[   21.346849][  T515]  ? syscall_enter_from_user_mode+0x57/0x1a0
[   21.352662][  T515]  do_syscall_64+0x34/0x70
[   21.356914][  T515]  entry_SYSCALL_64_after_hwframe+0x61/0xc6
[   21.362644][  T515] RIP: 0033:0x7f87cbf41469
[   21.366896][  T515] 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
[   21.386335][  T515] RSP: 002b:00007f87cbee1238 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[   21.394580][  T515] RAX: ffffffffffffffda RBX: 00007f87cbfcb338 RCX: 00007f87cbf41469
[pid   467] exit(0)                     = ?
[pid   513] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   467] +++ exited with 0 +++
[pid   464] exit(0 <unfinished ...>
[pid   504] exit(0)                     = ?
[pid   504] +++ exited with 0 +++
[pid   499] exit(0)                     = ?
[pid   499] +++ exited with 0 +++
[pid   495] exit(0)                     = ?
[pid   495] +++ exited with 0 +++
[pid   492] exit(0)                     = ?
[pid   492] +++ exited with 0 +++
[pid   488] exit(0)                     = ?
[pid   488] +++ exited with 0 +++
[pid   484] exit(0 <unfinished ...>
[pid   475] exit(0 <unfinished ...>
[pid   464] <... exit resumed>)         = ?
[pid   484] <... exit resumed>)         = ?
[pid   484] +++ exited with 0 +++
[pid   475] <... exit resumed>)         = ?
[pid   475] +++ exited with 0 +++
[pid   464] +++ exited with 0 +++
[   21.402391][  T515] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000002400
[   21.410214][  T515] RBP: 00007f87cbfcb330 R08: 0000000000000000 R09: 00007f87cbee16c0
[   21.418025][  T515] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87cbf98064
[   21.425910][  T515] R13: 000000000000000b R14: 00007ffc722a14e0 R15: 00007ffc722a15c8
[   21.433724][  T515] Modules linked in:
[   21.438592][  T515] ---[ end trace 65b2625825ee8ac7 ]---
[   21.443930][  T515] RIP: 0010:inherit_task_group+0x573/0x670
[   21.449632][  T515] Code: 81 c3 8c 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 a8 00 00 00 8b 1b 49 81 c7 8c 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a8 00 00 00 41 89 1f 45 31 ff 44 89 f8
[   21.469068][  T515] RSP: 0018:ffffc90000f679a8 EFLAGS: 00010207
[   21.474940][  T515] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff88811f0a13c0
[   21.482881][  T515] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88811819f890
[   21.490675][  T515] RBP: ffffc90000f67a10 R08: dffffc0000000000 R09: ffffed103ee0ae72
[   21.498514][  T515] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000f67ac0
[   21.506269][  T515] R13: dffffc0000000000 R14: ffff88811819f810 R15: 000000000000008c
[   21.514108][  T515] FS:  00007f87cbee16c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.522867][  T515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.529290][  T515] CR2: 00007f87cbee1d58 CR3: 00000001181ac000 CR4: 00000000003506b0
[   21.537096][  T515] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.544888][  T515] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[pid   513] exit_group(0)               = ?
[   21.552728][  T515] Kernel panic - not syncing: Fatal exception
[   21.558780][  T515] Kernel Offset: disabled
[   21.562902][  T515] Rebooting in 86400 seconds..