./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1066775949

<...>
Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts.
execve("./syz-executor1066775949", ["./syz-executor1066775949"], 0x7fff78d93100 /* 10 vars */) = 0
brk(NULL)                               = 0x555557241000
brk(0x555557241c40)                     = 0x555557241c40
arch_prctl(ARCH_SET_FS, 0x555557241300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555572415d0)         = 3607
set_robust_list(0x5555572415e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f4caf46f6c0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f4caf46fd90}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f4caf46f760, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4caf46fd90}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1066775949", 4096) = 28
brk(0x555557262c40)                     = 0x555557262c40
brk(0x555557263000)                     = 0x555557263000
mprotect(0x7f4caf533000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3608 attached
, child_tidptr=0x5555572415d0) = 3608
[pid  3608] set_robust_list(0x5555572415e0, 24) = 0
[pid  3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3608] setpgid(0, 0)               = 0
[pid  3608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1000", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3608] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3608] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3609], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3609
./strace-static-x86_64: Process 3609 attached
[pid  3608] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3609] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3609] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3609] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3609] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3609] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3609] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3609] <... futex resumed>)        = 1
[pid  3609] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3609] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3609] dup(4)                      = 5
[pid  3609] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3609] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3609] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3609] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3609] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3608] <... futex resumed>)        = 0
[pid  3609] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3608] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3609] <... openat resumed>)       = 7
[pid  3609] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3608] <... futex resumed>)        = 0
[pid  3609] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3608] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3608] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3608] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3608] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3610], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3610
[pid  3608] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3610 attached
 <unfinished ...>
[pid  3610] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3610] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3610] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3610] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3610] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3610] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3610] dup3(8, 7, 0)               = 7
[pid  3610] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3608] <... futex resumed>)        = 0
[pid  3610] <... futex resumed>)        = 1
[pid  3608] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3610] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3608] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3608] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3608] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3608] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3611], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3611
[pid  3608] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3608] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3611 attached
 <unfinished ...>
[pid  3611] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3611] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3611] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3611] <... futex resumed>)        = 0
[pid  3608] <... futex resumed>)        = 1
[pid  3611] read(7,  <unfinished ...>
[pid  3608] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3610] <... ioctl resumed>)        = 0
[pid  3610] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3610] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3611] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4096
[pid  3611] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3611] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3608] <... futex resumed>)        = 0
[pid  3608] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3610] <... futex resumed>)        = 0
[pid  3610] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3610] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3608] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3608] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3610] <... futex resumed>)        = 0
[pid  3608] <... futex resumed>)        = 1
[pid  3610] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3608] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3610] <... io_uring_enter resumed>) = 1
[pid  3610] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3608] <... futex resumed>)        = 0
[pid  3610] <... futex resumed>)        = 1
[pid  3610] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3608] exit_group(0 <unfinished ...>
[pid  3611] <... futex resumed>)        = ?
[pid  3610] <... futex resumed>)        = ?
[pid  3609] <... write resumed>)        = ?
[pid  3608] <... exit_group resumed>)   = ?
[pid  3611] +++ exited with 0 +++
[pid  3610] +++ exited with 0 +++
[pid  3609] +++ exited with 0 +++
[pid  3608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3608, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3613 attached
, child_tidptr=0x5555572415d0) = 3613
[pid  3613] set_robust_list(0x5555572415e0, 24) = 0
[pid  3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3613] setpgid(0, 0)               = 0
[pid  3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3613] write(3, "1000", 4)         = 4
[pid  3613] close(3)                    = 0
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3613] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3613] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3614 attached
, parent_tid=[3614], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3614
[pid  3613] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3614] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3614] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3614] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3614] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3613] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3614] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3614] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3614] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY <unfinished ...>
[pid  3613] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3614] <... openat resumed>)       = 4
[pid  3613] <... futex resumed>)        = 0
[pid  3614] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3614] <... futex resumed>)        = 0
[pid  3613] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3614] dup(4 <unfinished ...>
[pid  3613] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3614] <... dup resumed>)          = 5
[pid  3613] <... futex resumed>)        = 0
[pid  3614] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3614] <... futex resumed>)        = 0
[pid  3613] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3614] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3613] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3614] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3613] <... futex resumed>)        = 0
[pid  3614] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0 <unfinished ...>
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3614] <... mmap resumed>)         = 0x20002000
[pid  3614] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3614] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3614] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3613] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3614] <... openat resumed>)       = 7
[pid  3613] <... futex resumed>)        = 0
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3614] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3613] <... futex resumed>)        = 0
[pid  3613] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3614] <... futex resumed>)        = 1
[pid  3614] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3613] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3613] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3613] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3615], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3615
./strace-static-x86_64: Process 3615 attached
[pid  3615] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3615] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3615] ioctl(7, TIOCSPTLCK, [0] <unfinished ...>
[pid  3613] <... futex resumed>)        = 0
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3615] <... ioctl resumed>)        = 0
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3615] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3615] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3615] dup3(8, 7, 0 <unfinished ...>
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3615] <... dup3 resumed>)         = 7
[pid  3613] <... futex resumed>)        = 0
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3615] <... futex resumed>)        = 0
[pid  3613] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3615] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...}) = 0
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3615] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3613] <... futex resumed>)        = 0
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3615] <... futex resumed>)        = 0
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3615] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3615] read(7,  <unfinished ...>
[pid  3613] <... futex resumed>)        = 0
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3615] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3615] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3613] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3615] <... futex resumed>)        = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3615] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3613] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} <unfinished ...>
[pid  3615] <... io_uring_enter resumed>) = 1
[pid  3615] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3613] <... futex resumed>)        = 0
[pid  3615] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3613] exit_group(0 <unfinished ...>
[pid  3615] <... futex resumed>)        = ?
[pid  3613] <... exit_group resumed>)   = ?
[pid  3615] +++ exited with 0 +++
[pid  3614] <... write resumed>)        = ?
[pid  3614] +++ exited with 0 +++
[pid  3613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3613, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3617
./strace-static-x86_64: Process 3617 attached
[pid  3617] set_robust_list(0x5555572415e0, 24) = 0
[pid  3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3617] setpgid(0, 0)               = 0
[pid  3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "1000", 4)         = 4
[pid  3617] close(3)                    = 0
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3617] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3617] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3618], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3618
./strace-static-x86_64: Process 3618 attached
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3618] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3617] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3618] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3617] <... futex resumed>)        = 0
[pid  3618] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3618] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3618] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3617] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] dup(4)                      = 5
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3618] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] <... futex resumed>)        = 0
[pid  3618] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3618] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3618] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3617] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] <... futex resumed>)        = 1
[pid  3618] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3617] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] <... futex resumed>)        = 1
[pid  3618] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3617] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3617] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3617] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3617] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3619], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3619
./strace-static-x86_64: Process 3619 attached
[pid  3619] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3619] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3619] <... futex resumed>)        = 0
[pid  3619] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3619] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3619] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3617] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3617] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3619] <... futex resumed>)        = 0
[pid  3619] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3619] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3619] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3617] <... futex resumed>)        = 0
[pid  3619] dup3(8, 7, 0 <unfinished ...>
[pid  3617] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3619] <... dup3 resumed>)         = 7
[pid  3617] <... futex resumed>)        = 0
[pid  3619] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3617] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3617] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3619] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3619] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...}) = 0
[pid  3617] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3617] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3619] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] <... futex resumed>)        = 0
[pid  3619] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3617] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3617] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3620], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3620
[pid  3617] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3617] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3620 attached
 <unfinished ...>
[pid  3620] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3620] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3617] <... futex resumed>)        = 0
[pid  3617] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3620] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3619] <... futex resumed>)        = 0
[pid  3617] <... futex resumed>)        = 1
[pid  3619] read(7,  <unfinished ...>
[pid  3617] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3619] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3618] <... write resumed>)        = 65326
[pid  3619] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3619] <... futex resumed>)        = 1
[pid  3618] <... futex resumed>)        = 0
[pid  3617] <... futex resumed>)        = 0
[pid  3619] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3618] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3617] <... futex resumed>)        = 0
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] <... futex resumed>)        = 0
[pid  3617] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3618] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3617] <... futex resumed>)        = 0
[pid  3618] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3617] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3618] <... io_uring_enter resumed>) = 1
[pid  3618] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3617] <... futex resumed>)        = 0
[pid  3618] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3617] exit_group(0 <unfinished ...>
[pid  3620] <... futex resumed>)        = ?
[pid  3619] <... futex resumed>)        = ?
[pid  3618] <... futex resumed>)        = ?
[pid  3617] <... exit_group resumed>)   = ?
[pid  3620] +++ exited with 0 +++
[pid  3619] +++ exited with 0 +++
[pid  3618] +++ exited with 0 +++
[pid  3617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3622
./strace-static-x86_64: Process 3622 attached
[pid  3622] set_robust_list(0x5555572415e0, 24) = 0
[pid  3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3622] setpgid(0, 0)               = 0
[pid  3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3622] write(3, "1000", 4)         = 4
[pid  3622] close(3)                    = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3622] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3622] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3623], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3623
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3623 attached
 <unfinished ...>
[pid  3623] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3623] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3623] <... futex resumed>)        = 1
[pid  3623] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3623] <... futex resumed>)        = 1
[pid  3623] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3623] <... futex resumed>)        = 1
[pid  3623] dup(4)                      = 5
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3623] <... futex resumed>)        = 1
[pid  3623] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3623] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3623] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3623] <... futex resumed>)        = 1
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3623] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3623] <... openat resumed>)       = 7
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3623] <... futex resumed>)        = 1
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3623] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3622] <... futex resumed>)        = 0
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3622] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3622] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3622] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3624], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3624
[pid  3622] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3622] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3624 attached
 <unfinished ...>
[pid  3624] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3624] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3624] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3622] <... futex resumed>)        = 0
[pid  3624] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3622] <... futex resumed>)        = 0
[pid  3624] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3622] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3624] <... ioctl resumed>, [0])   = 0
[pid  3624] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3624] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3622] <... futex resumed>)        = 0
[pid  3624] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3622] <... futex resumed>)        = 0
[pid  3624] dup3(8, 7, 0 <unfinished ...>
[pid  3622] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3624] <... dup3 resumed>)         = 7
[pid  3624] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3622] <... futex resumed>)        = 0
[pid  3624] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3622] <... futex resumed>)        = 0
[pid  3624] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3622] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3624] <... ioctl resumed>)        = 0
[pid  3624] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3622] <... futex resumed>)        = 0
[pid  3624] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3622] <... futex resumed>)        = 0
[pid  3624] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3624] <... futex resumed>)        = 0
[pid  3622] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3624] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3622] <... futex resumed>)        = 0
[pid  3624] read(7,  <unfinished ...>
[pid  3622] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3624] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3623] <... write resumed>)        = 65326
[pid  3624] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3624] <... futex resumed>)        = 1
[pid  3623] <... futex resumed>)        = 0
[pid  3622] <... futex resumed>)        = 0
[pid  3623] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3624] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3623] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3622] <... futex resumed>)        = 0
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3623] <... futex resumed>)        = 0
[pid  3622] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3623] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3623] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3622] <... futex resumed>)        = 0
[pid  3623] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3622] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3623] <... io_uring_enter resumed>) = 1
[pid  3623] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3622] <... futex resumed>)        = 0
[pid  3623] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3622] exit_group(0 <unfinished ...>
[pid  3624] <... futex resumed>)        = ?
[pid  3623] <... futex resumed>)        = ?
[pid  3622] <... exit_group resumed>)   = ?
[pid  3624] +++ exited with 0 +++
[pid  3623] +++ exited with 0 +++
[pid  3622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3626 attached
, child_tidptr=0x5555572415d0) = 3626
[pid  3626] set_robust_list(0x5555572415e0, 24) = 0
[pid  3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3626] setpgid(0, 0)               = 0
[pid  3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3626] write(3, "1000", 4)         = 4
[pid  3626] close(3)                    = 0
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3626] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3626] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3627 attached
, parent_tid=[3627], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3627
[pid  3627] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3627] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3627] <... futex resumed>)        = 0
[pid  3627] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3627] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3627] <... futex resumed>)        = 0
[pid  3626] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3627] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3626] <... futex resumed>)        = 0
[pid  3627] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3627] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3627] <... futex resumed>)        = 0
[pid  3626] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3627] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY <unfinished ...>
[pid  3626] <... futex resumed>)        = 0
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3627] <... openat resumed>)       = 4
[pid  3627] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3626] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3627] dup(4)                      = 5
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3627] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3627] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3627] <... futex resumed>)        = 0
[pid  3626] <... futex resumed>)        = 1
[pid  3627] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3627] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3627] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3627] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3627] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3627] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3627] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3627] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3626] <... futex resumed>)        = 0
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3627] <... openat resumed>)       = 7
[pid  3627] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3627] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3627] <... futex resumed>)        = 0
[pid  3626] <... futex resumed>)        = 1
[pid  3627] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3626] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3626] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3626] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3628], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3628
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3628 attached
 <unfinished ...>
[pid  3628] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3628] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3626] <... futex resumed>)        = 0
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3628] <... futex resumed>)        = 1
[pid  3628] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3628] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3628] dup3(8, 7, 0 <unfinished ...>
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3628] <... dup3 resumed>)         = 7
[pid  3626] <... futex resumed>)        = 0
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3628] <... futex resumed>)        = 0
[pid  3626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3628] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3628] <... ioctl resumed>)        = 0
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3628] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3626] <... futex resumed>)        = 0
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3628] <... futex resumed>)        = 0
[pid  3626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3628] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3626] <... futex resumed>)        = 0
[pid  3628] read(7,  <unfinished ...>
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3628] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3628] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3626] <... futex resumed>)        = 0
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3628] <... futex resumed>)        = 0
[pid  3626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3628] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3626] <... futex resumed>)        = 0
[pid  3628] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3626] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3628] <... io_uring_enter resumed>) = 1
[pid  3628] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3626] <... futex resumed>)        = 0
[pid  3628] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3626] exit_group(0 <unfinished ...>
[pid  3628] <... futex resumed>)        = ?
[pid  3627] <... write resumed>)        = ?
[pid  3626] <... exit_group resumed>)   = ?
[pid  3627] +++ exited with 0 +++
[pid  3628] +++ exited with 0 +++
[pid  3626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3630
./strace-static-x86_64: Process 3630 attached
[pid  3630] set_robust_list(0x5555572415e0, 24) = 0
[pid  3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3630] setpgid(0, 0)               = 0
[pid  3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3630] write(3, "1000", 4)         = 4
[pid  3630] close(3)                    = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3630] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3630] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3631], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3631
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3631 attached
 <unfinished ...>
[pid  3631] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3631] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3630] <... futex resumed>)        = 0
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] <... futex resumed>)        = 1
[pid  3631] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3630] <... futex resumed>)        = 0
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] <... futex resumed>)        = 1
[pid  3631] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3630] <... futex resumed>)        = 0
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] <... futex resumed>)        = 1
[pid  3631] dup(4)                      = 5
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3630] <... futex resumed>)        = 0
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] <... futex resumed>)        = 1
[pid  3631] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3631] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3631] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3631] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] <... openat resumed>)       = 7
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3630] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3630] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3630] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3630] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3632], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3632
[pid  3630] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3630] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3632 attached
 <unfinished ...>
[pid  3632] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3632] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3632] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3632] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3630] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3630] <... futex resumed>)        = 0
[pid  3632] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3630] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3632] <... ioctl resumed>, [0])   = 0
[pid  3632] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3632] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3632] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3630] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3630] <... futex resumed>)        = 0
[pid  3632] dup3(8, 7, 0 <unfinished ...>
[pid  3630] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3632] <... dup3 resumed>)         = 7
[pid  3632] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3632] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3630] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3630] <... futex resumed>)        = 0
[pid  3632] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3630] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3632] <... ioctl resumed>)        = 0
[pid  3632] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3632] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3630] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3630] <... futex resumed>)        = 0
[pid  3632] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3630] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3632] <... futex resumed>)        = 0
[pid  3630] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3632] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3630] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3630] <... futex resumed>)        = 0
[pid  3632] read(7,  <unfinished ...>
[pid  3630] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3632] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3631] <... write resumed>)        = 65326
[pid  3632] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3632] <... futex resumed>)        = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3631] <... futex resumed>)        = 0
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3632] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3630] <... futex resumed>)        = 0
[pid  3631] <... futex resumed>)        = 0
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3630] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3630] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3631] <... futex resumed>)        = 0
[pid  3630] <... futex resumed>)        = 1
[pid  3631] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3630] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3631] <... io_uring_enter resumed>) = 1
[pid  3631] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3630] <... futex resumed>)        = 0
[pid  3630] exit_group(0 <unfinished ...>
[pid  3631] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3632] <... futex resumed>)        = ?
[pid  3630] <... exit_group resumed>)   = ?
[pid  3631] <... futex resumed>)        = ?
[pid  3632] +++ exited with 0 +++
[pid  3631] +++ exited with 0 +++
[pid  3630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3634 attached
 <unfinished ...>
[pid  3634] set_robust_list(0x5555572415e0, 24) = 0
[pid  3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3634] setpgid(0, 0)               = 0
[pid  3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3634] write(3, "1000", 4)         = 4
[pid  3634] close(3)                    = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3634] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3634] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3635], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3635
[pid  3634] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3635 attached
 <unfinished ...>
[pid  3635] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3635] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3635] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3634] <... futex resumed>)        = 0
[pid  3634] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3635] <... futex resumed>)        = 1
[pid  3635] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3607] <... clone resumed>, child_tidptr=0x5555572415d0) = 3634
[pid  3635] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3634] <... futex resumed>)        = 0
[pid  3634] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3635] <... futex resumed>)        = 1
[pid  3635] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3635] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3634] <... futex resumed>)        = 0
[pid  3634] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3635] <... futex resumed>)        = 1
[pid  3635] dup(4)                      = 5
[pid  3635] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3634] <... futex resumed>)        = 0
[pid  3634] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3635] <... futex resumed>)        = 1
[pid  3635] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3635] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3635] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3635] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3634] <... futex resumed>)        = 0
[pid  3635] <... futex resumed>)        = 1
[pid  3634] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3635] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3634] <... futex resumed>)        = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3635] <... openat resumed>)       = 7
[pid  3635] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3634] <... futex resumed>)        = 0
[pid  3634] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3635] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3634] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3634] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3634] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3634] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3636], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3636
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3636 attached
 <unfinished ...>
[pid  3636] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3636] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3634] <... futex resumed>)        = 0
[pid  3636] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3634] <... futex resumed>)        = 0
[pid  3636] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3636] <... ioctl resumed>, [0])   = 0
[pid  3636] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3634] <... futex resumed>)        = 0
[pid  3636] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3634] <... futex resumed>)        = 0
[pid  3636] dup3(8, 7, 0 <unfinished ...>
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3636] <... dup3 resumed>)         = 7
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3634] <... futex resumed>)        = 0
[pid  3636] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3634] <... futex resumed>)        = 0
[pid  3636] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3636] <... ioctl resumed>)        = 0
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3634] <... futex resumed>)        = 0
[pid  3636] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3634] <... futex resumed>)        = 0
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3636] <... futex resumed>)        = 0
[pid  3634] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3636] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3634] <... futex resumed>)        = 0
[pid  3636] read(7,  <unfinished ...>
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3636] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3634] <... futex resumed>)        = 0
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3634] <... futex resumed>)        = 0
[pid  3636] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3634] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3636] <... futex resumed>)        = 0
[pid  3634] <... futex resumed>)        = 1
[pid  3636] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3634] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3636] <... io_uring_enter resumed>) = 1
[pid  3636] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3634] <... futex resumed>)        = 0
[pid  3636] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3634] exit_group(0 <unfinished ...>
[pid  3636] <... futex resumed>)        = ?
[pid  3635] <... write resumed>)        = ?
[pid  3634] <... exit_group resumed>)   = ?
[pid  3636] +++ exited with 0 +++
[pid  3635] +++ exited with 0 +++
[pid  3634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3638
./strace-static-x86_64: Process 3638 attached
[pid  3638] set_robust_list(0x5555572415e0, 24) = 0
[pid  3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3638] setpgid(0, 0)               = 0
[pid  3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3638] write(3, "1000", 4)         = 4
[pid  3638] close(3)                    = 0
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3638] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3638] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3639 attached
, parent_tid=[3639], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3639
[pid  3639] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3639] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3638] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3639] <... futex resumed>)        = 0
[pid  3639] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3639] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3639] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3638] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3639] <... futex resumed>)        = 0
[pid  3639] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3639] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3639] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3638] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3639] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3639] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3639] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3639] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3638] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3639] <... futex resumed>)        = 0
[pid  3638] <... futex resumed>)        = 1
[pid  3639] dup(4 <unfinished ...>
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3639] <... dup resumed>)          = 5
[pid  3639] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3638] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3639] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3639] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3639] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3639] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3638] <... futex resumed>)        = 0
[pid  3639] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3638] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3639] <... openat resumed>)       = 7
[pid  3639] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3638] <... futex resumed>)        = 0
[pid  3639] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3638] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3639] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3638] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3639] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3638] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3638] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3638] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3638] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3640], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3640
[pid  3638] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3640 attached
 <unfinished ...>
[pid  3640] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3640] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3640] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3640] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3638] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3638] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3640] <... futex resumed>)        = 0
[pid  3638] <... futex resumed>)        = 1
[pid  3640] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3640] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY <unfinished ...>
[pid  3638] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3640] <... openat resumed>)       = 8
[pid  3640] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3638] <... futex resumed>)        = 0
[pid  3640] dup3(8, 7, 0 <unfinished ...>
[pid  3638] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3640] <... dup3 resumed>)         = 7
[pid  3638] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3640] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3638] <... futex resumed>)        = 0
[pid  3640] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3638] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3638] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3638] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3638] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3641], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3641
./strace-static-x86_64: Process 3641 attached
[pid  3638] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3641] set_robust_list(0x7f4caf41d9e0, 24 <unfinished ...>
[pid  3638] <... futex resumed>)        = 0
[pid  3641] <... set_robust_list resumed>) = 0
[pid  3638] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3641] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3638] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3641] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3641] read(7,  <unfinished ...>
[pid  3638] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3638] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3638] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3638] futex(0x7f4caf53951c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3dc000
[pid  3638] mprotect(0x7f4caf3dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3638] clone(child_stack=0x7f4caf3fc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3642], tls=0x7f4caf3fc700, child_tidptr=0x7f4caf3fc9d0) = 3642
[pid  3638] futex(0x7f4caf539518, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] futex(0x7f4caf53951c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3642 attached
 <unfinished ...>
[pid  3642] set_robust_list(0x7f4caf3fc9e0, 24) = 0
[pid  3642] futex(0x7f4caf53951c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3638] <... futex resumed>)        = 0
[pid  3638] futex(0x7f4caf539518, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3638] futex(0x7f4caf53951c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3642] <... futex resumed>)        = 1
[pid  3642] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3640] <... ioctl resumed>)        = 0
[pid  3640] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3640] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3641] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4096
[pid  3641] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3641] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3642] <... io_uring_enter resumed>) = 1
[pid  3642] futex(0x7f4caf53951c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3638] <... futex resumed>)        = 0
[pid  3642] futex(0x7f4caf539518, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3638] exit_group(0 <unfinished ...>
[pid  3642] <... futex resumed>)        = ?
[pid  3641] <... futex resumed>)        = ?
[pid  3640] <... futex resumed>)        = ?
[pid  3638] <... exit_group resumed>)   = ?
[pid  3641] +++ exited with 0 +++
[pid  3640] +++ exited with 0 +++
[pid  3639] <... write resumed>)        = ?
[pid  3642] +++ exited with 0 +++
[pid  3639] +++ exited with 0 +++
[pid  3638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3644 attached
, child_tidptr=0x5555572415d0) = 3644
[pid  3644] set_robust_list(0x5555572415e0, 24) = 0
[pid  3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3644] setpgid(0, 0)               = 0
[pid  3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3644] write(3, "1000", 4)         = 4
[pid  3644] close(3)                    = 0
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3644] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3644] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3645 attached
, parent_tid=[3645], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3645
[pid  3645] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3645] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3645] <... futex resumed>)        = 0
[pid  3645] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3645] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3645] <... futex resumed>)        = 0
[pid  3645] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3645] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3645] <... futex resumed>)        = 0
[pid  3645] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY <unfinished ...>
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3645] <... openat resumed>)       = 4
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3644] <... futex resumed>)        = 0
[pid  3645] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3645] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3645] dup(4)                      = 5
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3645] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3645] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3645] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3645] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3645] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3645] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3645] <... openat resumed>)       = 7
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3645] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3644] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3644] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3644] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3644] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3646 attached
, parent_tid=[3646], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3646
[pid  3644] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3644] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3646] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3646] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3646] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3644] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3646] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3646] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3646] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3644] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3646] dup3(8, 7, 0)               = 7
[pid  3646] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3644] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3646] <... futex resumed>)        = 1
[pid  3646] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...}) = 0
[pid  3646] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3644] <... futex resumed>)        = 0
[pid  3646] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3644] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3646] <... futex resumed>)        = 0
[pid  3644] <... futex resumed>)        = 0
[pid  3646] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3644] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3646] <... futex resumed>)        = 0
[pid  3644] <... futex resumed>)        = 1
[pid  3646] read(7,  <unfinished ...>
[pid  3644] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3646] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3645] <... write resumed>)        = 65326
[pid  3646] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3646] <... futex resumed>)        = 1
[pid  3645] <... futex resumed>)        = 0
[pid  3644] <... futex resumed>)        = 0
[pid  3646] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3645] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3645] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3644] <... futex resumed>)        = 0
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3645] <... futex resumed>)        = 0
[pid  3644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3644] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3645] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3644] <... futex resumed>)        = 0
[pid  3644] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3645] <... io_uring_enter resumed>) = 1
[pid  3645] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3644] <... futex resumed>)        = 0
[pid  3645] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3644] exit_group(0 <unfinished ...>
[pid  3646] <... futex resumed>)        = ?
[pid  3645] <... futex resumed>)        = ?
[pid  3644] <... exit_group resumed>)   = ?
[pid  3646] +++ exited with 0 +++
[pid  3645] +++ exited with 0 +++
[pid  3644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3648 attached
 <unfinished ...>
[pid  3648] set_robust_list(0x5555572415e0, 24 <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x5555572415d0) = 3648
[pid  3648] <... set_robust_list resumed>) = 0
[pid  3648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3648] setpgid(0, 0)               = 0
[pid  3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3648] write(3, "1000", 4)         = 4
[pid  3648] close(3)                    = 0
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3648] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3648] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3649 attached
, parent_tid=[3649], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3649
[pid  3649] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3649] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3649] <... futex resumed>)        = 0
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3649] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3649] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3649] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3649] <... futex resumed>)        = 0
[pid  3649] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3649] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3649] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3649] <... futex resumed>)        = 0
[pid  3649] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3649] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3648] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3649] dup(4)                      = 5
[pid  3649] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3648] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3649] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3648] <... futex resumed>)        = 0
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3649] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3649] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3649] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3649] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3649] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] <... futex resumed>)        = 0
[pid  3649] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3649] <... openat resumed>)       = 7
[pid  3649] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3649] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] <... futex resumed>)        = 0
[pid  3649] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3648] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3648] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3648] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3648] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3650 attached
, parent_tid=[3650], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3650
[pid  3648] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3650] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3650] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3648] <... futex resumed>)        = 0
[pid  3648] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3650] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3650] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3650] <... futex resumed>)        = 0
[pid  3650] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3650] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3650] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3648] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3648] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3650] dup3(8, 7, 0)               = 7
[pid  3650] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3650] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3648] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3650] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3650] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3648] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3648] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3648] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3648] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3651 attached
 <unfinished ...>
[pid  3651] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3651] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] <... clone resumed>, parent_tid=[3651], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3651
[pid  3648] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3651] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3651] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3648] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3651] <... futex resumed>)        = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3651] read(7,  <unfinished ...>
[pid  3648] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} <unfinished ...>
[pid  3650] <... ioctl resumed>)        = 0
[pid  3650] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3650] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3651] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3651] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3651] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3650] <... futex resumed>)        = 0
[pid  3648] <... futex resumed>)        = 1
[pid  3650] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3648] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3650] <... futex resumed>)        = 0
[pid  3650] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3648] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3650] <... futex resumed>)        = 0
[pid  3648] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3650] io_uring_enter(6, 767, 0, 0, NULL, 0) = 1
[pid  3650] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3648] <... futex resumed>)        = 0
[pid  3650] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3648] exit_group(0 <unfinished ...>
[pid  3651] <... futex resumed>)        = ?
[pid  3650] <... futex resumed>)        = ?
[pid  3648] <... exit_group resumed>)   = ?
[pid  3651] +++ exited with 0 +++
[pid  3650] +++ exited with 0 +++
[pid  3649] <... write resumed>)        = ?
[pid  3649] +++ exited with 0 +++
[pid  3648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3653 attached
, child_tidptr=0x5555572415d0) = 3653
[pid  3653] set_robust_list(0x5555572415e0, 24) = 0
[pid  3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3653] setpgid(0, 0)               = 0
[pid  3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3653] write(3, "1000", 4)         = 4
[pid  3653] close(3)                    = 0
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3653] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3653] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3654 attached
 <unfinished ...>
[pid  3654] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3653] <... clone resumed>, parent_tid=[3654], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3654
[pid  3654] <... set_robust_list resumed>) = 0
[pid  3653] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3654] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3653] <... futex resumed>)        = 0
[pid  3654] <... socket resumed>)       = 3
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3654] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3654] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3653] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3654] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3654] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3654] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3654] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3654] dup(4)                      = 5
[pid  3654] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3654] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3654] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3654] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3654] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3654] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3654] <... openat resumed>)       = 7
[pid  3654] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3654] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3653] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3653] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3653] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3653] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3655], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3655
[pid  3653] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3655 attached
 <unfinished ...>
[pid  3655] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3655] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3655] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3653] <... futex resumed>)        = 0
[pid  3655] <... futex resumed>)        = 1
[pid  3653] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3655] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3655] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3655] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3655] dup3(8, 7, 0)               = 7
[pid  3655] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3653] <... futex resumed>)        = 0
[pid  3655] <... futex resumed>)        = 1
[pid  3653] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3655] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3653] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3653] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3653] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3653] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3656], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3656
[pid  3653] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3656 attached
 <unfinished ...>
[pid  3656] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3656] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3656] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3656] <... futex resumed>)        = 0
[pid  3656] read(7,  <unfinished ...>
[pid  3653] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3653] futex(0x7f4caf53951c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3dc000
[pid  3653] mprotect(0x7f4caf3dd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3653] clone(child_stack=0x7f4caf3fc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3657], tls=0x7f4caf3fc700, child_tidptr=0x7f4caf3fc9d0) = 3657
[pid  3653] futex(0x7f4caf539518, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3653] futex(0x7f4caf53951c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3657 attached
 <unfinished ...>
[pid  3657] set_robust_list(0x7f4caf3fc9e0, 24) = 0
[pid  3657] futex(0x7f4caf53951c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3657] futex(0x7f4caf539518, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3653] futex(0x7f4caf539518, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3653] <... futex resumed>)        = 0
[pid  3653] futex(0x7f4caf53951c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3657] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3655] <... ioctl resumed>)        = 0
[pid  3655] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3655] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3656] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4096
[pid  3656] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3656] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3657] <... io_uring_enter resumed>) = 1
[pid  3657] futex(0x7f4caf53951c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3653] <... futex resumed>)        = 0
[pid  3657] futex(0x7f4caf539518, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3653] exit_group(0 <unfinished ...>
[pid  3655] <... futex resumed>)        = ?
[pid  3653] <... exit_group resumed>)   = ?
[pid  3657] <... futex resumed>)        = ?
[pid  3656] <... futex resumed>)        = ?
[pid  3655] +++ exited with 0 +++
[pid  3654] <... write resumed>)        = ?
[pid  3657] +++ exited with 0 +++
[pid  3656] +++ exited with 0 +++
[pid  3654] +++ exited with 0 +++
[pid  3653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3659
./strace-static-x86_64: Process 3659 attached
[pid  3659] set_robust_list(0x5555572415e0, 24) = 0
[pid  3659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3659] setpgid(0, 0)               = 0
[pid  3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3659] write(3, "1000", 4)         = 4
[pid  3659] close(3)                    = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3659] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3659] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3660], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3660
[pid  3659] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3660 attached
 <unfinished ...>
[pid  3660] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3660] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3660] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3660] <... futex resumed>)        = 1
[pid  3660] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3660] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3660] <... futex resumed>)        = 1
[pid  3660] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3660] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3660] <... futex resumed>)        = 1
[pid  3660] dup(4)                      = 5
[pid  3660] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3660] <... futex resumed>)        = 1
[pid  3660] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3660] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3660] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3660] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3659] <... futex resumed>)        = 0
[pid  3660] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3659] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3660] <... openat resumed>)       = 7
[pid  3660] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3660] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3659] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3659] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3659] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3661], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3661
[pid  3659] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3661 attached
 <unfinished ...>
[pid  3661] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3661] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3661] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3661] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3661] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3661] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3659] <... futex resumed>)        = 0
[pid  3661] <... futex resumed>)        = 1
[pid  3659] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3661] dup3(8, 7, 0)               = 7
[pid  3661] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3661] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3659] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3659] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3659] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3659] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3662], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3662
[pid  3659] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3662 attached
 <unfinished ...>
[pid  3662] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3662] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3659] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3662] read(7,  <unfinished ...>
[pid  3661] <... ioctl resumed>)        = 0
[pid  3661] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3661] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3662] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4096
[pid  3662] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3659] <... futex resumed>)        = 0
[pid  3659] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3661] <... futex resumed>)        = 0
[pid  3659] <... futex resumed>)        = 1
[pid  3661] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3661] <... futex resumed>)        = 0
[pid  3659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3661] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3659] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3661] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3659] <... futex resumed>)        = 0
[pid  3661] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3659] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3662] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3661] <... io_uring_enter resumed>) = 1
[pid  3661] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3659] <... futex resumed>)        = 0
[pid  3661] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3659] exit_group(0 <unfinished ...>
[pid  3662] <... futex resumed>)        = ?
[pid  3661] <... futex resumed>)        = ?
[pid  3660] <... write resumed>)        = ?
[pid  3659] <... exit_group resumed>)   = ?
[pid  3662] +++ exited with 0 +++
[pid  3661] +++ exited with 0 +++
[pid  3660] +++ exited with 0 +++
[pid  3659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3659, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3664
./strace-static-x86_64: Process 3664 attached
[pid  3664] set_robust_list(0x5555572415e0, 24) = 0
[pid  3664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3664] setpgid(0, 0)               = 0
[pid  3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3664] write(3, "1000", 4)         = 4
[pid  3664] close(3)                    = 0
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3664] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3664] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3665 attached
, parent_tid=[3665], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3665
[pid  3665] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3664] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3665] <... set_robust_list resumed>) = 0
[pid  3664] <... futex resumed>)        = 0
[pid  3665] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3665] <... socket resumed>)       = 3
[pid  3665] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3665] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] <... futex resumed>)        = 0
[pid  3665] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3665] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3665] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3665] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] <... futex resumed>)        = 0
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3665] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3665] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3665] dup(4 <unfinished ...>
[pid  3664] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3665] <... dup resumed>)          = 5
[pid  3664] <... futex resumed>)        = 0
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3665] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3665] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3664] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3665] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3665] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3665] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3665] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3665] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3664] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3665] <... openat resumed>)       = 7
[pid  3665] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3664] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3664] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3665] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3664] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3664] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3664] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3666], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3666
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3666 attached
 <unfinished ...>
[pid  3666] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3666] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] <... futex resumed>)        = 0
[pid  3666] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3666] <... ioctl resumed>, [0])   = 0
[pid  3666] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] <... futex resumed>)        = 0
[pid  3666] dup3(8, 7, 0 <unfinished ...>
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3666] <... dup3 resumed>)         = 7
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] <... futex resumed>)        = 0
[pid  3666] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3666] <... ioctl resumed>)        = 0
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] <... futex resumed>)        = 0
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3666] <... futex resumed>)        = 0
[pid  3664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] <... futex resumed>)        = 0
[pid  3666] read(7,  <unfinished ...>
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3666] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3664] <... futex resumed>)        = 0
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3664] <... futex resumed>)        = 0
[pid  3666] <... futex resumed>)        = 0
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3666] <... futex resumed>)        = 0
[pid  3664] <... futex resumed>)        = 1
[pid  3666] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3664] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3666] <... io_uring_enter resumed>) = 1
[pid  3666] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3666] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3664] exit_group(0 <unfinished ...>
[pid  3666] <... futex resumed>)        = ?
[pid  3665] <... write resumed>)        = ?
[pid  3664] <... exit_group resumed>)   = ?
[pid  3666] +++ exited with 0 +++
[pid  3665] +++ exited with 0 +++
[pid  3664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3664, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3668
./strace-static-x86_64: Process 3668 attached
[pid  3668] set_robust_list(0x5555572415e0, 24) = 0
[pid  3668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3668] setpgid(0, 0)               = 0
[pid  3668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3668] write(3, "1000", 4)         = 4
[pid  3668] close(3)                    = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3668] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3668] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3669 attached
, parent_tid=[3669], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3669
[pid  3668] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3669] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3669] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3669] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3668] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3669] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3669] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3668] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3669] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3669] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3668] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3669] dup(4)                      = 5
[pid  3669] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3668] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3669] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3669] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3669] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3669] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3668] <... futex resumed>)        = 0
[pid  3668] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3669] <... futex resumed>)        = 1
[pid  3669] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3669] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3668] <... futex resumed>)        = 0
[pid  3668] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3669] <... futex resumed>)        = 1
[pid  3669] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3668] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3668] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3668] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3670], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3670
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3670 attached
 <unfinished ...>
[pid  3670] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3670] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3668] <... futex resumed>)        = 0
[pid  3670] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3670] <... ioctl resumed>, [0])   = 0
[pid  3670] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3668] <... futex resumed>)        = 0
[pid  3670] dup3(8, 7, 0 <unfinished ...>
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3670] <... dup3 resumed>)         = 7
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3668] <... futex resumed>)        = 0
[pid  3670] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3670] <... ioctl resumed>)        = 0
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3670] <... futex resumed>)        = 0
[pid  3668] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3668] <... futex resumed>)        = 0
[pid  3670] read(7,  <unfinished ...>
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3670] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3670] <... futex resumed>)        = 0
[pid  3668] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3668] <... futex resumed>)        = 0
[pid  3670] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3668] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3670] <... io_uring_enter resumed>) = 1
[pid  3670] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3668] <... futex resumed>)        = 0
[pid  3670] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3668] exit_group(0 <unfinished ...>
[pid  3670] <... futex resumed>)        = ?
[pid  3669] <... write resumed>)        = ?
[pid  3668] <... exit_group resumed>)   = ?
[pid  3670] +++ exited with 0 +++
[pid  3669] +++ exited with 0 +++
[pid  3668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3668, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3672
./strace-static-x86_64: Process 3672 attached
[pid  3672] set_robust_list(0x5555572415e0, 24) = 0
[pid  3672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3672] setpgid(0, 0)               = 0
[pid  3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3672] write(3, "1000", 4)         = 4
[pid  3672] close(3)                    = 0
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3672] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3672] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3673], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3673
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3673 attached
 <unfinished ...>
[pid  3673] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3673] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3672] <... futex resumed>)        = 0
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3673] <... futex resumed>)        = 1
[pid  3673] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3672] <... futex resumed>)        = 0
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3673] <... futex resumed>)        = 1
[pid  3673] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3673] dup(4 <unfinished ...>
[pid  3672] <... futex resumed>)        = 0
[pid  3673] <... dup resumed>)          = 5
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3673] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3673] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3673] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3673] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3673] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3673] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3673] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3673] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3673] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3672] <... futex resumed>)        = 0
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3672] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3672] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3672] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3674], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3674
[pid  3672] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3672] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3674 attached
 <unfinished ...>
[pid  3674] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3674] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3674] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3674] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3672] <... futex resumed>)        = 0
[pid  3674] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3672] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3674] <... ioctl resumed>, [0])   = 0
[pid  3674] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3674] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3674] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3672] <... futex resumed>)        = 0
[pid  3674] dup3(8, 7, 0 <unfinished ...>
[pid  3672] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3674] <... dup3 resumed>)         = 7
[pid  3674] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3674] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3672] <... futex resumed>)        = 0
[pid  3674] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3672] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3674] <... ioctl resumed>)        = 0
[pid  3674] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3674] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3672] <... futex resumed>)        = 0
[pid  3674] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3672] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3674] <... futex resumed>)        = 0
[pid  3672] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3674] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3672] <... futex resumed>)        = 0
[pid  3674] read(7,  <unfinished ...>
[pid  3672] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3674] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3673] <... write resumed>)        = 65326
[pid  3674] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3674] <... futex resumed>)        = 1
[pid  3673] <... futex resumed>)        = 0
[pid  3672] <... futex resumed>)        = 0
[pid  3674] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3673] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3673] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3672] <... futex resumed>)        = 0
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3673] <... futex resumed>)        = 0
[pid  3673] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3672] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3673] <... futex resumed>)        = 0
[pid  3672] <... futex resumed>)        = 1
[pid  3673] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3672] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3673] <... io_uring_enter resumed>) = 1
[pid  3673] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3672] <... futex resumed>)        = 0
[pid  3673] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3672] exit_group(0 <unfinished ...>
[pid  3674] <... futex resumed>)        = ?
[pid  3673] <... futex resumed>)        = ?
[pid  3672] <... exit_group resumed>)   = ?
[pid  3674] +++ exited with 0 +++
[pid  3673] +++ exited with 0 +++
[pid  3672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3672, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3676 attached
, child_tidptr=0x5555572415d0) = 3676
[pid  3676] set_robust_list(0x5555572415e0, 24) = 0
[pid  3676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3676] setpgid(0, 0)               = 0
[pid  3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3676] write(3, "1000", 4)         = 4
[pid  3676] close(3)                    = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3676] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3676] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3677 attached
, parent_tid=[3677], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3677
[pid  3676] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3677] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3677] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3677] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3677] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3677] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3677] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3677] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3677] dup(4)                      = 5
[pid  3677] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3677] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3677] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3677] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3677] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3677] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3677] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3677] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3676] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3676] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3676] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3676] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3678], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3678
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3678 attached
 <unfinished ...>
[pid  3678] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3678] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3678] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3678] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3678] dup3(8, 7, 0)               = 7
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3678] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3676] <... futex resumed>)        = 0
[pid  3678] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3678] <... ioctl resumed>)        = 0
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3676] <... futex resumed>)        = 0
[pid  3678] <... futex resumed>)        = 1
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3678] read(7, "\x70\x70\xda\x2d\x52\xf2\x09\x38\xe8\x55\x82", 8224) = 11
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3678] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3676] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3676] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3678] io_uring_enter(6, 767, 0, 0, NULL, 0) = 1
[pid  3678] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3676] <... futex resumed>)        = 0
[pid  3678] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3676] exit_group(0 <unfinished ...>
[pid  3678] <... futex resumed>)        = ?
[pid  3677] <... write resumed>)        = ?
[pid  3676] <... exit_group resumed>)   = ?
[pid  3678] +++ exited with 0 +++
[pid  3677] +++ exited with 0 +++
[pid  3676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3676, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3680 attached
, child_tidptr=0x5555572415d0) = 3680
[pid  3680] set_robust_list(0x5555572415e0, 24) = 0
[pid  3680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3680] setpgid(0, 0)               = 0
[pid  3680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3680] write(3, "1000", 4)         = 4
[pid  3680] close(3)                    = 0
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3680] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3680] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3681 attached
, parent_tid=[3681], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3681
[pid  3680] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3681] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3681] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3681] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3681] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
[pid  3680] <... futex resumed>)        = 1
[pid  3681] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3680] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3681] <... futex resumed>)        = 0
[pid  3680] <... futex resumed>)        = 1
[pid  3681] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3681] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3681] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3681] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3680] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3680] <... futex resumed>)        = 0
[pid  3681] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY <unfinished ...>
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3681] <... openat resumed>)       = 4
[pid  3681] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3681] dup(4 <unfinished ...>
[pid  3680] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3681] <... dup resumed>)          = 5
[pid  3680] <... futex resumed>)        = 0
[pid  3681] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3681] <... futex resumed>)        = 0
[pid  3680] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3681] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3680] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3681] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3681] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3681] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3681] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3681] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3680] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3680] <... futex resumed>)        = 0
[pid  3681] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3681] <... openat resumed>)       = 7
[pid  3681] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3681] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3680] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3680] <... futex resumed>)        = 0
[pid  3681] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3680] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3680] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3680] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3682], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3682
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3682 attached
 <unfinished ...>
[pid  3682] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3682] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3682] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3680] <... futex resumed>)        = 0
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3682] <... futex resumed>)        = 0
[pid  3680] <... futex resumed>)        = 1
[pid  3682] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3682] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3682] dup3(8, 7, 0 <unfinished ...>
[pid  3680] <... futex resumed>)        = 0
[pid  3682] <... dup3 resumed>)         = 7
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3682] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3682] <... ioctl resumed>)        = 0
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3682] <... futex resumed>)        = 0
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3682] read(7,  <unfinished ...>
[pid  3680] <... futex resumed>)        = 0
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3682] <... read resumed>"\x70\x70\xda\x2d\x52\xf2\x09\x38\xe8\x55\x82", 8224) = 11
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3682] <... futex resumed>)        = 0
[pid  3680] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3682] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3680] <... futex resumed>)        = 0
[pid  3682] <... io_uring_enter resumed>) = 1
[pid  3680] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3682] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3680] <... futex resumed>)        = 0
[pid  3682] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3680] exit_group(0 <unfinished ...>
[pid  3682] <... futex resumed>)        = ?
[pid  3681] <... write resumed>)        = ?
[pid  3680] <... exit_group resumed>)   = ?
[pid  3682] +++ exited with 0 +++
[pid  3681] +++ exited with 0 +++
[pid  3680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3680, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3684
./strace-static-x86_64: Process 3684 attached
[pid  3684] set_robust_list(0x5555572415e0, 24) = 0
[pid  3684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3684] setpgid(0, 0)               = 0
[pid  3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3684] write(3, "1000", 4)         = 4
[pid  3684] close(3)                    = 0
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3684] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3684] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3685], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3685
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3685 attached
 <unfinished ...>
[pid  3685] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3685] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] <... futex resumed>)        = 1
[pid  3685] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] <... futex resumed>)        = 1
[pid  3685] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] <... futex resumed>)        = 1
[pid  3685] dup(4)                      = 5
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] <... futex resumed>)        = 1
[pid  3685] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3685] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3685] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3685] <... futex resumed>)        = 1
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3685] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] <... openat resumed>)       = 7
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3684] <... futex resumed>)        = 0
[pid  3685] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3684] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3684] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3684] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3684] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3686], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3686
[pid  3684] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3686 attached
 <unfinished ...>
[pid  3686] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3686] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3686] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3686] <... futex resumed>)        = 1
[pid  3686] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3686] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3686] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3686] <... futex resumed>)        = 1
[pid  3686] dup3(8, 7, 0)               = 7
[pid  3686] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3686] <... futex resumed>)        = 1
[pid  3686] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3684] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3684] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3684] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3684] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3687], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3687
[pid  3684] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3684] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3687 attached
 <unfinished ...>
[pid  3686] <... ioctl resumed>)        = 0
[pid  3686] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3686] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3687] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3687] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3684] <... futex resumed>)        = 0
[pid  3684] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3686] <... futex resumed>)        = 0
[pid  3684] <... futex resumed>)        = 1
[pid  3686] read(7,  <unfinished ...>
[pid  3684] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3687] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3686] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3685] <... write resumed>)        = 65326
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3685] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3686] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3684] <... futex resumed>)        = 0
[pid  3686] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3685] <... futex resumed>)        = 0
[pid  3684] <... futex resumed>)        = 1
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] <... futex resumed>)        = 0
[pid  3685] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3684] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3684] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3685] <... futex resumed>)        = 0
[pid  3684] <... futex resumed>)        = 1
[pid  3685] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3684] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3685] <... io_uring_enter resumed>) = 1
[pid  3685] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3684] <... futex resumed>)        = 0
[pid  3685] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3684] exit_group(0 <unfinished ...>
[pid  3687] <... futex resumed>)        = ?
[pid  3686] <... futex resumed>)        = ?
[pid  3685] <... futex resumed>)        = ?
[pid  3684] <... exit_group resumed>)   = ?
[pid  3687] +++ exited with 0 +++
[pid  3686] +++ exited with 0 +++
[pid  3685] +++ exited with 0 +++
[pid  3684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3684, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3689 attached
 <unfinished ...>
[pid  3689] set_robust_list(0x5555572415e0, 24) = 0
[pid  3689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3689] setpgid(0, 0)               = 0
[pid  3689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x5555572415d0) = 3689
[pid  3689] <... openat resumed>)       = 3
[pid  3689] write(3, "1000", 4)         = 4
[pid  3689] close(3)                    = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3689] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3689] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3690], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3690
./strace-static-x86_64: Process 3690 attached
[pid  3689] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3690] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3690] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3690] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3690] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3690] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3690] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3690] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3690] dup(4)                      = 5
[pid  3690] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3690] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3690] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3690] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3690] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3690] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3689] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3690] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3690] <... openat resumed>)       = 7
[pid  3690] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3690] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3689] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3689] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3689] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3689] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3691], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3691
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3691 attached
 <unfinished ...>
[pid  3691] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3691] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3691] <... futex resumed>)        = 1
[pid  3691] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3691] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3691] <... futex resumed>)        = 1
[pid  3691] dup3(8, 7, 0)               = 7
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3689] <... futex resumed>)        = 0
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3691] <... futex resumed>)        = 1
[pid  3691] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...}) = 0
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3691] <... futex resumed>)        = 0
[pid  3689] <... futex resumed>)        = 0
[pid  3691] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3691] <... futex resumed>)        = 0
[pid  3689] <... futex resumed>)        = 1
[pid  3691] read(7,  <unfinished ...>
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3691] <... read resumed>"\x70\x70\xda\x2d\x52\xf2\x09\x38\xe8\x55\x82", 8224) = 11
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3691] <... futex resumed>)        = 0
[pid  3689] <... futex resumed>)        = 0
[pid  3691] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3689] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3691] <... futex resumed>)        = 0
[pid  3689] <... futex resumed>)        = 1
[pid  3691] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3689] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3691] <... io_uring_enter resumed>) = 1
[pid  3691] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3689] <... futex resumed>)        = 0
[pid  3691] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3689] exit_group(0 <unfinished ...>
[pid  3691] <... futex resumed>)        = ?
[pid  3690] <... write resumed>)        = ?
[pid  3689] <... exit_group resumed>)   = ?
[pid  3690] +++ exited with 0 +++
[pid  3691] +++ exited with 0 +++
[pid  3689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3689, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3693 attached
, child_tidptr=0x5555572415d0) = 3693
[pid  3693] set_robust_list(0x5555572415e0, 24) = 0
[pid  3693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3693] setpgid(0, 0)               = 0
[pid  3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3693] write(3, "1000", 4)         = 4
[pid  3693] close(3)                    = 0
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3693] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3693] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3694 attached
, parent_tid=[3694], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3694
[pid  3694] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3693] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3694] <... set_robust_list resumed>) = 0
[pid  3694] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3694] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3694] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] <... futex resumed>)        = 1
[pid  3694] <... futex resumed>)        = 0
[pid  3694] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3694] <... futex resumed>)        = 0
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3694] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3694] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3694] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3694] <... futex resumed>)        = 0
[pid  3694] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3694] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3694] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3694] <... futex resumed>)        = 0
[pid  3694] dup(4)                      = 5
[pid  3694] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3694] <... futex resumed>)        = 0
[pid  3693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3694] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3694] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3694] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3693] <... futex resumed>)        = 0
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3694] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3694] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3694] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3693] <... futex resumed>)        = 0
[pid  3694] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3694] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3693] <... futex resumed>)        = 0
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3694] <... openat resumed>)       = 7
[pid  3694] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3693] <... futex resumed>)        = 0
[pid  3694] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3694] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] <... futex resumed>)        = 0
[pid  3694] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3693] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3693] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3693] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3695], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3695
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3695 attached
 <unfinished ...>
[pid  3695] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3695] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3693] <... futex resumed>)        = 0
[pid  3695] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] <... futex resumed>)        = 0
[pid  3695] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3695] <... ioctl resumed>, [0])   = 0
[pid  3695] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3693] <... futex resumed>)        = 0
[pid  3695] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] <... futex resumed>)        = 0
[pid  3695] dup3(8, 7, 0 <unfinished ...>
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3695] <... dup3 resumed>)         = 7
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3693] <... futex resumed>)        = 0
[pid  3695] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3695] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3693] <... futex resumed>)        = 0
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3695] <... ioctl resumed>)        = 0
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3693] <... futex resumed>)        = 0
[pid  3695] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] <... futex resumed>)        = 0
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3695] <... futex resumed>)        = 0
[pid  3693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3695] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3693] <... futex resumed>)        = 0
[pid  3695] read(7,  <unfinished ...>
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3695] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3693] <... futex resumed>)        = 0
[pid  3695] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3695] <... futex resumed>)        = 0
[pid  3693] <... futex resumed>)        = 1
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3695] <... futex resumed>)        = 0
[pid  3693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3695] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3693] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3695] <... io_uring_enter resumed>) = 1
[pid  3693] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3695] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3695] <... futex resumed>)        = 0
[pid  3695] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3693] exit_group(0 <unfinished ...>
[pid  3695] <... futex resumed>)        = ?
[pid  3694] <... write resumed>)        = ?
[pid  3693] <... exit_group resumed>)   = ?
[pid  3694] +++ exited with 0 +++
[pid  3695] +++ exited with 0 +++
[pid  3693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3693, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3697
./strace-static-x86_64: Process 3697 attached
[pid  3697] set_robust_list(0x5555572415e0, 24) = 0
[pid  3697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3697] setpgid(0, 0)               = 0
[pid  3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3697] write(3, "1000", 4)         = 4
[pid  3697] close(3)                    = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3697] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3697] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3698], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3698
[pid  3697] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3698 attached
 <unfinished ...>
[pid  3698] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3698] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3698] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3698] <... futex resumed>)        = 1
[pid  3698] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3698] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3698] <... futex resumed>)        = 1
[pid  3698] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3698] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3698] <... futex resumed>)        = 1
[pid  3698] dup(4)                      = 5
[pid  3698] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3698] <... futex resumed>)        = 1
[pid  3698] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3698] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3698] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3698] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3698] <... futex resumed>)        = 1
[pid  3697] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3698] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3698] <... openat resumed>)       = 7
[pid  3698] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3698] <... futex resumed>)        = 1
[pid  3697] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3698] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3697] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3697] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3697] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3699], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3699
./strace-static-x86_64: Process 3699 attached
[pid  3697] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3699] set_robust_list(0x7f4caf43e9e0, 24 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3699] <... set_robust_list resumed>) = 0
[pid  3697] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3699] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3699] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3699] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3699] <... ioctl resumed>, [0])   = 0
[pid  3699] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3699] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3699] dup3(8, 7, 0)               = 7
[pid  3699] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3697] <... futex resumed>)        = 0
[pid  3697] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3699] <... futex resumed>)        = 1
[pid  3699] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3697] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3697] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3697] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3697] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3700], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3700
[pid  3697] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3697] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3700 attached
 <unfinished ...>
[pid  3700] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3700] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3697] <... futex resumed>)        = 0
[pid  3700] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3697] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3700] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3697] <... futex resumed>)        = 0
[pid  3700] read(7,  <unfinished ...>
[pid  3697] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3699] <... ioctl resumed>)        = 0
[pid  3699] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3699] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3700] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3700] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3697] <... futex resumed>)        = 0
[pid  3700] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3697] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3699] <... futex resumed>)        = 0
[pid  3697] <... futex resumed>)        = 1
[pid  3697] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3699] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3697] <... futex resumed>)        = 0
[pid  3699] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3697] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3697] <... futex resumed>)        = 0
[pid  3699] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3697] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3699] <... io_uring_enter resumed>) = 1
[pid  3699] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3697] <... futex resumed>)        = 0
[pid  3699] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3697] exit_group(0 <unfinished ...>
[pid  3699] <... futex resumed>)        = ?
[pid  3698] <... write resumed>)        = ?
[pid  3700] <... futex resumed>)        = ?
[pid  3697] <... exit_group resumed>)   = ?
[pid  3700] +++ exited with 0 +++
[pid  3699] +++ exited with 0 +++
[pid  3698] +++ exited with 0 +++
[pid  3697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3697, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3702 attached
, child_tidptr=0x5555572415d0) = 3702
[pid  3702] set_robust_list(0x5555572415e0, 24) = 0
[pid  3702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3702] setpgid(0, 0)               = 0
[pid  3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3702] write(3, "1000", 4)         = 4
[pid  3702] close(3)                    = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3702] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3702] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3703 attached
, parent_tid=[3703], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3703
[pid  3702] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3703] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3703] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3703] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3703] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3703] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3703] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3703] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3703] dup(4)                      = 5
[pid  3703] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3703] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3703] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3703] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3703] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3703] <... futex resumed>)        = 1
[pid  3703] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3703] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3703] <... futex resumed>)        = 1
[pid  3703] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3702] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3702] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3702] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3704], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3704
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3704 attached
 <unfinished ...>
[pid  3704] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3704] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3704] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3704] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3702] <... futex resumed>)        = 0
[pid  3704] <... futex resumed>)        = 1
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3704] dup3(8, 7, 0)               = 7
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3704] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...}) = 0
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3704] read(7, "\x70\x70\xda\x2d\x52\xf2\x09\x38\xe8\x55\x82", 8224) = 11
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3704] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3704] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3702] <... futex resumed>)        = 0
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3704] <... futex resumed>)        = 0
[pid  3702] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3704] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3702] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3704] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3702] <... futex resumed>)        = 0
[pid  3704] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3702] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3704] <... io_uring_enter resumed>) = 1
[pid  3704] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3702] <... futex resumed>)        = 0
[pid  3704] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3702] exit_group(0 <unfinished ...>
[pid  3704] <... futex resumed>)        = ?
[pid  3704] +++ exited with 0 +++
[pid  3703] <... write resumed>)        = ?
[pid  3702] <... exit_group resumed>)   = ?
[pid  3703] +++ exited with 0 +++
[pid  3702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3702, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3706
./strace-static-x86_64: Process 3706 attached
[pid  3706] set_robust_list(0x5555572415e0, 24) = 0
[pid  3706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3706] setpgid(0, 0)               = 0
[pid  3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3706] write(3, "1000", 4)         = 4
[pid  3706] close(3)                    = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3706] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3706] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3707], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3707
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3707 attached
 <unfinished ...>
[pid  3707] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3707] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3707] <... futex resumed>)        = 1
[pid  3707] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3707] <... futex resumed>)        = 1
[pid  3707] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3707] <... futex resumed>)        = 1
[pid  3707] dup(4)                      = 5
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3707] <... futex resumed>)        = 1
[pid  3707] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3707] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3707] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3707] <... futex resumed>)        = 1
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3707] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3707] <... openat resumed>)       = 7
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3707] <... futex resumed>)        = 1
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3707] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3706] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3706] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3706] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3708], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3708
[pid  3706] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3706] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3708 attached
 <unfinished ...>
[pid  3708] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3708] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3708] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3706] <... futex resumed>)        = 0
[pid  3708] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3706] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3706] <... futex resumed>)        = 0
[pid  3708] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3706] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3708] <... ioctl resumed>, [0])   = 0
[pid  3708] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3708] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3706] <... futex resumed>)        = 0
[pid  3708] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3706] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3706] <... futex resumed>)        = 0
[pid  3708] dup3(8, 7, 0 <unfinished ...>
[pid  3706] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3708] <... dup3 resumed>)         = 7
[pid  3708] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3706] <... futex resumed>)        = 0
[pid  3708] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3706] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3706] <... futex resumed>)        = 0
[pid  3708] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3706] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3708] <... ioctl resumed>)        = 0
[pid  3708] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3706] <... futex resumed>)        = 0
[pid  3708] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3706] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3706] <... futex resumed>)        = 0
[pid  3708] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3708] <... futex resumed>)        = 0
[pid  3708] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3706] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3708] <... futex resumed>)        = 0
[pid  3706] <... futex resumed>)        = 1
[pid  3708] read(7,  <unfinished ...>
[pid  3706] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3708] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3708] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3707] <... write resumed>)        = 65326
[pid  3708] <... futex resumed>)        = 1
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3708] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3707] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3706] <... futex resumed>)        = 0
[pid  3707] <... futex resumed>)        = 0
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3707] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3706] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3707] <... futex resumed>)        = 0
[pid  3706] <... futex resumed>)        = 1
[pid  3707] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3706] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3707] <... io_uring_enter resumed>) = 1
[pid  3707] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3706] <... futex resumed>)        = 0
[pid  3707] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3706] exit_group(0 <unfinished ...>
[pid  3708] <... futex resumed>)        = ?
[pid  3707] <... futex resumed>)        = ?
[pid  3706] <... exit_group resumed>)   = ?
[pid  3708] +++ exited with 0 +++
[pid  3707] +++ exited with 0 +++
[pid  3706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3706, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3710
./strace-static-x86_64: Process 3710 attached
[pid  3710] set_robust_list(0x5555572415e0, 24) = 0
[pid  3710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3710] setpgid(0, 0)               = 0
[pid  3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3710] write(3, "1000", 4)         = 4
[pid  3710] close(3)                    = 0
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3710] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3710] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3711], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3711
[pid  3710] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3711 attached
 <unfinished ...>
[pid  3711] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3711] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3711] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3711] <... futex resumed>)        = 1
[pid  3711] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3711] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3711] <... futex resumed>)        = 1
[pid  3711] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3711] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3711] <... futex resumed>)        = 1
[pid  3711] dup(4)                      = 5
[pid  3711] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3711] <... futex resumed>)        = 1
[pid  3711] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3711] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3711] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3711] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3710] <... futex resumed>)        = 0
[pid  3711] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3711] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3711] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3711] <... futex resumed>)        = 1
[pid  3711] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3710] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3710] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3710] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3712 attached
, parent_tid=[3712], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3712
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3712] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3712] ioctl(7, TIOCSPTLCK, [0] <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3712] <... ioctl resumed>)        = 0
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] <... futex resumed>)        = 0
[pid  3710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3712] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3712] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] dup3(8, 7, 0)               = 7
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3712] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...}) = 0
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3712] <... futex resumed>)        = 0
[pid  3710] <... futex resumed>)        = 1
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] <... futex resumed>)        = 0
[pid  3710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3712] read(7,  <unfinished ...>
[pid  3710] <... futex resumed>)        = 0
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3710] <... futex resumed>)        = 0
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3710] <... futex resumed>)        = 0
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] <... futex resumed>)        = 0
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3710] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3712] <... futex resumed>)        = 0
[pid  3710] <... futex resumed>)        = 1
[pid  3712] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3710] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3712] <... io_uring_enter resumed>) = 1
[pid  3712] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3710] <... futex resumed>)        = 0
[pid  3712] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3710] exit_group(0 <unfinished ...>
[pid  3712] <... futex resumed>)        = ?
[pid  3710] <... exit_group resumed>)   = ?
[pid  3712] +++ exited with 0 +++
[pid  3711] <... write resumed>)        = ?
[pid  3711] +++ exited with 0 +++
[pid  3710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3710, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3714
./strace-static-x86_64: Process 3714 attached
[pid  3714] set_robust_list(0x5555572415e0, 24) = 0
[pid  3714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3714] setpgid(0, 0)               = 0
[pid  3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3714] write(3, "1000", 4)         = 4
[pid  3714] close(3)                    = 0
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3714] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3714] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3715 attached
 <unfinished ...>
[pid  3715] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3714] <... clone resumed>, parent_tid=[3715], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3715
[pid  3715] <... set_robust_list resumed>) = 0
[pid  3714] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3715] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3714] <... futex resumed>)        = 0
[pid  3715] <... socket resumed>)       = 3
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3715] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3715] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3714] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3715] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3715] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3715] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3715] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3715] dup(4 <unfinished ...>
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3715] <... dup resumed>)          = 5
[pid  3715] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3715] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3714] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3715] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3714] <... futex resumed>)        = 0
[pid  3715] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0 <unfinished ...>
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3715] <... mmap resumed>)         = 0x20002000
[pid  3715] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3715] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3715] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3715] <... openat resumed>)       = 7
[pid  3715] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3715] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3714] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3714] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3716], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3716
./strace-static-x86_64: Process 3716 attached
[pid  3716] set_robust_list(0x7f4caf43e9e0, 24 <unfinished ...>
[pid  3714] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3716] <... set_robust_list resumed>) = 0
[pid  3716] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3716] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3714] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3716] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3716] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3716] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3716] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3716] dup3(8, 7, 0)               = 7
[pid  3716] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3716] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3714] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3714] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3714] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3714] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3717 attached
 <unfinished ...>
[pid  3717] set_robust_list(0x7f4caf41d9e0, 24 <unfinished ...>
[pid  3714] <... clone resumed>, parent_tid=[3717], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3717
[pid  3717] <... set_robust_list resumed>) = 0
[pid  3714] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3717] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3714] <... futex resumed>)        = 0
[pid  3717] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3717] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3714] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3717] read(7,  <unfinished ...>
[pid  3714] <... futex resumed>)        = 0
[pid  3714] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3716] <... ioctl resumed>)        = 0
[pid  3716] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3716] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3717] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3717] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3717] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3714] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3716] <... futex resumed>)        = 0
[pid  3714] <... futex resumed>)        = 1
[pid  3716] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3716] <... futex resumed>)        = 0
[pid  3714] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3716] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3714] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3716] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3714] <... futex resumed>)        = 0
[pid  3716] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3714] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3716] <... io_uring_enter resumed>) = 1
[pid  3716] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3714] <... futex resumed>)        = 0
[pid  3716] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3714] exit_group(0 <unfinished ...>
[pid  3717] <... futex resumed>)        = ?
[pid  3716] <... futex resumed>)        = ?
[pid  3715] <... write resumed>)        = ?
[pid  3714] <... exit_group resumed>)   = ?
[pid  3717] +++ exited with 0 +++
[pid  3716] +++ exited with 0 +++
[pid  3715] +++ exited with 0 +++
[pid  3714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3714, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3719
./strace-static-x86_64: Process 3719 attached
[pid  3719] set_robust_list(0x5555572415e0, 24) = 0
[pid  3719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3719] setpgid(0, 0)               = 0
[pid  3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3719] write(3, "1000", 4)         = 4
[pid  3719] close(3)                    = 0
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3719] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3719] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3720 attached
 <unfinished ...>
[pid  3720] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3719] <... clone resumed>, parent_tid=[3720], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3720
[pid  3720] <... set_robust_list resumed>) = 0
[pid  3719] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3720] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3719] <... futex resumed>)        = 0
[pid  3720] <... socket resumed>)       = 3
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3720] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3720] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3719] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3720] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3719] <... futex resumed>)        = 0
[pid  3720] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3719] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3720] <... futex resumed>)        = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} <unfinished ...>
[pid  3720] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3720] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3720] dup(4)                      = 5
[pid  3720] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3720] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3720] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3720] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3720] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3720] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3720] <... openat resumed>)       = 7
[pid  3720] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3719] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3720] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3719] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3719] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3719] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3721], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3721
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3721 attached
 <unfinished ...>
[pid  3721] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3721] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3721] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3721] <... futex resumed>)        = 0
[pid  3719] <... futex resumed>)        = 1
[pid  3721] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3721] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3721] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3721] dup3(8, 7, 0 <unfinished ...>
[pid  3719] <... futex resumed>)        = 0
[pid  3721] <... dup3 resumed>)         = 7
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3719] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3721] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3721] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3719] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3721] <... ioctl resumed>)        = 0
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3721] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3719] <... futex resumed>)        = 0
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3721] <... futex resumed>)        = 0
[pid  3719] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3721] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3719] <... futex resumed>)        = 0
[pid  3721] read(7,  <unfinished ...>
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3721] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3719] <... futex resumed>)        = 0
[pid  3721] <... futex resumed>)        = 0
[pid  3721] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3719] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3721] <... futex resumed>)        = 0
[pid  3719] <... futex resumed>)        = 1
[pid  3721] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3719] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3721] <... io_uring_enter resumed>) = 1
[pid  3721] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3719] <... futex resumed>)        = 0
[pid  3721] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3719] exit_group(0 <unfinished ...>
[pid  3721] <... futex resumed>)        = ?
[pid  3720] <... write resumed>)        = ?
[pid  3719] <... exit_group resumed>)   = ?
[pid  3721] +++ exited with 0 +++
[pid  3720] +++ exited with 0 +++
[pid  3719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3719, si_uid=0, si_status=0, si_utime=1, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3723 attached
, child_tidptr=0x5555572415d0) = 3723
[pid  3723] set_robust_list(0x5555572415e0, 24) = 0
[pid  3723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3723] setpgid(0, 0)               = 0
[pid  3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3723] write(3, "1000", 4)         = 4
[pid  3723] close(3)                    = 0
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3723] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3723] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3724], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3724
[pid  3723] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3724 attached
 <unfinished ...>
[pid  3724] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3724] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3724] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3723] <... futex resumed>)        = 0
[pid  3723] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3724] <... futex resumed>)        = 1
[pid  3724] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3724] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3723] <... futex resumed>)        = 0
[pid  3723] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3724] <... futex resumed>)        = 1
[pid  3724] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3724] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3723] <... futex resumed>)        = 0
[pid  3723] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3724] <... futex resumed>)        = 1
[pid  3724] dup(4)                      = 5
[pid  3724] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3723] <... futex resumed>)        = 0
[pid  3723] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3724] <... futex resumed>)        = 1
[pid  3724] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3724] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3724] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3724] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3724] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] <... futex resumed>)        = 0
[pid  3724] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3724] <... openat resumed>)       = 7
[pid  3724] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3724] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] <... futex resumed>)        = 0
[pid  3724] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3723] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3723] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3723] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3725], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3725
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3725 attached
 <unfinished ...>
[pid  3725] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3725] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] <... futex resumed>)        = 0
[pid  3725] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3725] <... ioctl resumed>, [0])   = 0
[pid  3725] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] <... futex resumed>)        = 0
[pid  3725] dup3(8, 7, 0 <unfinished ...>
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3725] <... dup3 resumed>)         = 7
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] <... futex resumed>)        = 0
[pid  3725] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3725] <... ioctl resumed>)        = 0
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3725] <... futex resumed>)        = 0
[pid  3723] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3725] read(7,  <unfinished ...>
[pid  3723] <... futex resumed>)        = 0
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3725] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3723] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3725] <... futex resumed>)        = 0
[pid  3723] <... futex resumed>)        = 1
[pid  3725] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3723] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3725] <... io_uring_enter resumed>) = 1
[pid  3725] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3723] <... futex resumed>)        = 0
[pid  3725] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3723] exit_group(0 <unfinished ...>
[pid  3725] <... futex resumed>)        = ?
[pid  3724] <... write resumed>)        = ?
[pid  3723] <... exit_group resumed>)   = ?
[pid  3725] +++ exited with 0 +++
[pid  3724] +++ exited with 0 +++
[pid  3723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3723, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3727
./strace-static-x86_64: Process 3727 attached
[pid  3727] set_robust_list(0x5555572415e0, 24) = 0
[pid  3727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3727] setpgid(0, 0)               = 0
[pid  3727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3727] write(3, "1000", 4)         = 4
[pid  3727] close(3)                    = 0
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3727] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3727] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3728 attached
 <unfinished ...>
[pid  3728] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3728] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] <... clone resumed>, parent_tid=[3728], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3728
[pid  3727] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3728] <... futex resumed>)        = 0
[pid  3728] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3728] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3728] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3728] <... futex resumed>)        = 0
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3728] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3728] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3728] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] <... futex resumed>)        = 0
[pid  3727] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3728] <... futex resumed>)        = 0
[pid  3727] <... futex resumed>)        = 1
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3728] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3728] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3727] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3728] dup(4 <unfinished ...>
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3728] <... dup resumed>)          = 5
[pid  3728] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3727] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3728] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3727] <... futex resumed>)        = 0
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3728] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3728] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3728] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3728] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3728] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3727] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3728] <... openat resumed>)       = 7
[pid  3728] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3727] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3728] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3727] <... futex resumed>)        = 0
[pid  3727] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3727] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3727] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3729], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3729
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3729 attached
 <unfinished ...>
[pid  3729] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3729] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] <... futex resumed>)        = 0
[pid  3729] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3729] <... ioctl resumed>, [0])   = 0
[pid  3729] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] <... futex resumed>)        = 0
[pid  3729] dup3(8, 7, 0 <unfinished ...>
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3729] <... dup3 resumed>)         = 7
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] <... futex resumed>)        = 0
[pid  3729] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3729] <... ioctl resumed>)        = 0
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3729] <... futex resumed>)        = 0
[pid  3727] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] <... futex resumed>)        = 0
[pid  3729] read(7,  <unfinished ...>
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3729] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3729] <... futex resumed>)        = 0
[pid  3727] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3727] <... futex resumed>)        = 0
[pid  3729] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3727] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3729] <... io_uring_enter resumed>) = 1
[pid  3729] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3727] <... futex resumed>)        = 0
[pid  3729] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3727] exit_group(0 <unfinished ...>
[pid  3729] <... futex resumed>)        = ?
[pid  3729] +++ exited with 0 +++
[pid  3728] <... write resumed>)        = ?
[pid  3727] <... exit_group resumed>)   = ?
[pid  3728] +++ exited with 0 +++
[pid  3727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3727, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3731 attached
, child_tidptr=0x5555572415d0) = 3731
[pid  3731] set_robust_list(0x5555572415e0, 24) = 0
[pid  3731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3731] setpgid(0, 0)               = 0
[pid  3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3731] write(3, "1000", 4)         = 4
[pid  3731] close(3)                    = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3731] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3731] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3732], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3732
[pid  3731] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3732 attached
 <unfinished ...>
[pid  3732] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3732] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3732] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3731] <... futex resumed>)        = 0
[pid  3731] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3732] <... futex resumed>)        = 1
[pid  3732] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3732] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3731] <... futex resumed>)        = 0
[pid  3731] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3732] <... futex resumed>)        = 1
[pid  3732] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3732] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3731] <... futex resumed>)        = 0
[pid  3731] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3732] <... futex resumed>)        = 1
[pid  3732] dup(4)                      = 5
[pid  3732] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3731] <... futex resumed>)        = 0
[pid  3731] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3732] <... futex resumed>)        = 1
[pid  3732] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3732] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3732] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3732] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3731] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3732] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3732] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3732] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3732] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3731] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3731] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3731] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3733], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3733
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3733 attached
 <unfinished ...>
[pid  3733] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3733] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3731] <... futex resumed>)        = 0
[pid  3733] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3733] <... ioctl resumed>, [0])   = 0
[pid  3733] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3731] <... futex resumed>)        = 0
[pid  3733] dup3(8, 7, 0 <unfinished ...>
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3733] <... dup3 resumed>)         = 7
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3731] <... futex resumed>)        = 0
[pid  3733] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3733] <... ioctl resumed>)        = 0
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3733] <... futex resumed>)        = 0
[pid  3731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3731] <... futex resumed>)        = 0
[pid  3733] read(7,  <unfinished ...>
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3733] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3733] <... futex resumed>)        = 0
[pid  3731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3731] <... futex resumed>)        = 0
[pid  3733] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3731] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3733] <... io_uring_enter resumed>) = 1
[pid  3733] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3731] <... futex resumed>)        = 0
[pid  3733] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3731] exit_group(0 <unfinished ...>
[pid  3733] <... futex resumed>)        = ?
[pid  3731] <... exit_group resumed>)   = ?
[pid  3733] +++ exited with 0 +++
[pid  3732] <... write resumed>)        = ?
[pid  3732] +++ exited with 0 +++
[pid  3731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3731, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3735 attached
, child_tidptr=0x5555572415d0) = 3735
[pid  3735] set_robust_list(0x5555572415e0, 24) = 0
[pid  3735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3735] setpgid(0, 0)               = 0
[pid  3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3735] write(3, "1000", 4)         = 4
[pid  3735] close(3)                    = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3735] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3735] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3736], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3736
[pid  3735] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3736 attached
 <unfinished ...>
[pid  3736] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3736] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3736] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3736] <... futex resumed>)        = 1
[pid  3736] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3736] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3736] <... futex resumed>)        = 1
[pid  3736] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3736] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3736] <... futex resumed>)        = 1
[pid  3736] dup(4)                      = 5
[pid  3736] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3736] <... futex resumed>)        = 1
[pid  3736] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3736] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3736] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3736] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3736] <... futex resumed>)        = 1
[pid  3736] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3736] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3736] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3735] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3735] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3737], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3737
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3737 attached
 <unfinished ...>
[pid  3737] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3737] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3737] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3737] <... ioctl resumed>, [0])   = 0
[pid  3737] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] <... futex resumed>)        = 0
[pid  3737] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3735] <... futex resumed>)        = 0
[pid  3737] dup3(8, 7, 0 <unfinished ...>
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3737] <... dup3 resumed>)         = 7
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3737] <... futex resumed>)        = 1
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3737] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3737] <... ioctl resumed>)        = 0
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3737] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3737] <... futex resumed>)        = 0
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] <... futex resumed>)        = 0
[pid  3737] read(7,  <unfinished ...>
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3737] <... read resumed>"\x70\x70\xda\x2d\x52\xf2\x09\x38\xe8\x55\x82", 8224) = 11
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] <... futex resumed>)        = 0
[pid  3737] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3735] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3735] <... futex resumed>)        = 0
[pid  3735] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3737] io_uring_enter(6, 767, 0, 0, NULL, 0) = 1
[pid  3737] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3735] <... futex resumed>)        = 0
[pid  3737] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3735] exit_group(0 <unfinished ...>
[pid  3737] <... futex resumed>)        = ?
[pid  3736] <... write resumed>)        = ?
[pid  3735] <... exit_group resumed>)   = ?
[pid  3737] +++ exited with 0 +++
[pid  3736] +++ exited with 0 +++
[pid  3735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3735, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3739
./strace-static-x86_64: Process 3739 attached
[pid  3739] set_robust_list(0x5555572415e0, 24) = 0
[pid  3739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3739] setpgid(0, 0)               = 0
[pid  3739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3739] write(3, "1000", 4)         = 4
[pid  3739] close(3)                    = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3739] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3739] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3740], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3740
[pid  3739] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3740 attached
 <unfinished ...>
[pid  3740] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3740] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3740] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3740] <... futex resumed>)        = 1
[pid  3740] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3740] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3740] <... futex resumed>)        = 1
[pid  3740] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3740] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3740] <... futex resumed>)        = 1
[pid  3740] dup(4)                      = 5
[pid  3740] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3740] <... futex resumed>)        = 1
[pid  3740] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3740] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3740] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3740] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3739] <... futex resumed>)        = 0
[pid  3740] <... futex resumed>)        = 1
[pid  3739] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3740] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3740] <... openat resumed>)       = 7
[pid  3740] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3740] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3739] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3739] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3739] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3739] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3741], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3741
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3741 attached
 <unfinished ...>
[pid  3741] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3741] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3741] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3741] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3741] dup3(8, 7, 0)               = 7
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3741] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3741] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3739] <... futex resumed>)        = 0
[pid  3741] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3741] <... ioctl resumed>)        = 0
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3741] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3741] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3739] <... futex resumed>)        = 0
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3741] <... futex resumed>)        = 0
[pid  3739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3741] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3741] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3739] <... futex resumed>)        = 0
[pid  3741] read(7,  <unfinished ...>
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3741] <... read resumed>"\x70\x70\xda\x2d\x52\xf2\x09\x38\xe8\x55\x82", 8224) = 11
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3739] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3739] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3741] io_uring_enter(6, 767, 0, 0, NULL, 0) = 1
[pid  3741] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3739] <... futex resumed>)        = 0
[pid  3741] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3739] exit_group(0 <unfinished ...>
[pid  3741] <... futex resumed>)        = ?
[pid  3740] <... write resumed>)        = ?
[pid  3739] <... exit_group resumed>)   = ?
[pid  3741] +++ exited with 0 +++
[pid  3740] +++ exited with 0 +++
[pid  3739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3739, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3743
./strace-static-x86_64: Process 3743 attached
[pid  3743] set_robust_list(0x5555572415e0, 24) = 0
[pid  3743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3743] setpgid(0, 0)               = 0
[pid  3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3743] write(3, "1000", 4)         = 4
[pid  3743] close(3)                    = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3743] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3743] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3744], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3744
[pid  3743] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3744 attached
 <unfinished ...>
[pid  3744] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3744] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3744] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3743] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3744] <... futex resumed>)        = 1
[pid  3744] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3744] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3743] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3744] <... futex resumed>)        = 1
[pid  3744] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3744] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3743] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3744] <... futex resumed>)        = 1
[pid  3744] dup(4)                      = 5
[pid  3744] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3743] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3744] <... futex resumed>)        = 1
[pid  3744] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3744] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3744] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3744] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3744] <... futex resumed>)        = 1
[pid  3743] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3744] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3744] <... openat resumed>)       = 7
[pid  3744] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3743] <... futex resumed>)        = 0
[pid  3744] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3743] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3743] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3743] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3745 attached
 <unfinished ...>
[pid  3745] set_robust_list(0x7f4caf43e9e0, 24 <unfinished ...>
[pid  3743] <... clone resumed>, parent_tid=[3745], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3745
[pid  3745] <... set_robust_list resumed>) = 0
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] ioctl(7, TIOCSPTLCK, [0] <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3745] <... ioctl resumed>)        = 0
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3745] <... futex resumed>)        = 0
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3743] <... futex resumed>)        = 0
[pid  3745] <... ioctl resumed>, [0])   = 0
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3743] <... futex resumed>)        = 0
[pid  3745] dup3(8, 7, 0 <unfinished ...>
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] <... dup3 resumed>)         = 7
[pid  3743] <... futex resumed>)        = 0
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] <... futex resumed>)        = 0
[pid  3743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3745] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3743] <... futex resumed>)        = 0
[pid  3745] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] <... ioctl resumed>)        = 0
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3743] <... futex resumed>)        = 0
[pid  3745] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3743] <... futex resumed>)        = 0
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] <... futex resumed>)        = 0
[pid  3743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3745] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3743] <... futex resumed>)        = 0
[pid  3745] read(7,  <unfinished ...>
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4096
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3743] <... futex resumed>)        = 0
[pid  3745] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3743] <... futex resumed>)        = 0
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] <... futex resumed>)        = 0
[pid  3743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3745] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3743] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3743] <... futex resumed>)        = 0
[pid  3745] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3743] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3745] <... io_uring_enter resumed>) = 1
[pid  3745] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3743] <... futex resumed>)        = 0
[pid  3745] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3743] exit_group(0 <unfinished ...>
[pid  3745] <... futex resumed>)        = ?
[pid  3744] <... write resumed>)        = ?
[pid  3743] <... exit_group resumed>)   = ?
[pid  3745] +++ exited with 0 +++
[pid  3744] +++ exited with 0 +++
[pid  3743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3743, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3747 attached
, child_tidptr=0x5555572415d0) = 3747
[pid  3747] set_robust_list(0x5555572415e0, 24) = 0
[pid  3747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3747] setpgid(0, 0)               = 0
[pid  3747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3747] write(3, "1000", 4)         = 4
[pid  3747] close(3)                    = 0
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3747] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3747] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3748 attached
 <unfinished ...>
[pid  3748] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3747] <... clone resumed>, parent_tid=[3748], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3748
[pid  3748] <... set_robust_list resumed>) = 0
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3747] <... futex resumed>)        = 0
[pid  3748] <... socket resumed>)       = 3
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3748] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3747] <... futex resumed>)        = 0
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3748] <... futex resumed>)        = 0
[pid  3747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3748] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY <unfinished ...>
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] <... openat resumed>)       = 4
[pid  3747] <... futex resumed>)        = 0
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3748] <... futex resumed>)        = 0
[pid  3747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3748] dup(4 <unfinished ...>
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] <... dup resumed>)          = 5
[pid  3747] <... futex resumed>)        = 0
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3748] <... futex resumed>)        = 0
[pid  3747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3748] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] <... futex resumed>)        = 0
[pid  3748] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3748] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3748] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3748] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3748] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3748] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3748] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3748] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3747] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3747] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3747] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3749], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3749
[pid  3747] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3747] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3749 attached
 <unfinished ...>
[pid  3749] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3749] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3749] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3749] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] <... futex resumed>)        = 0
[pid  3749] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3747] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3749] <... ioctl resumed>, [0])   = 0
[pid  3749] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3749] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3749] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] <... futex resumed>)        = 0
[pid  3749] dup3(8, 7, 0 <unfinished ...>
[pid  3747] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3749] <... dup3 resumed>)         = 7
[pid  3749] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3749] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] <... futex resumed>)        = 0
[pid  3749] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3747] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3749] <... ioctl resumed>)        = 0
[pid  3749] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3749] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] <... futex resumed>)        = 0
[pid  3749] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3747] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3749] <... futex resumed>)        = 0
[pid  3747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3749] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] <... futex resumed>)        = 0
[pid  3749] read(7,  <unfinished ...>
[pid  3747] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3749] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3748] <... write resumed>)        = 65326
[pid  3749] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3749] <... futex resumed>)        = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3748] <... futex resumed>)        = 0
[pid  3749] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] <... futex resumed>)        = 0
[pid  3747] <... futex resumed>)        = 0
[pid  3748] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3747] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3748] <... futex resumed>)        = 0
[pid  3747] <... futex resumed>)        = 1
[pid  3748] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3747] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3748] <... io_uring_enter resumed>) = 1
[pid  3748] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3747] <... futex resumed>)        = 0
[pid  3748] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3747] exit_group(0 <unfinished ...>
[pid  3749] <... futex resumed>)        = ?
[pid  3748] <... futex resumed>)        = ?
[pid  3747] <... exit_group resumed>)   = ?
[pid  3749] +++ exited with 0 +++
[pid  3748] +++ exited with 0 +++
[pid  3747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3747, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3751 attached
, child_tidptr=0x5555572415d0) = 3751
[pid  3751] set_robust_list(0x5555572415e0, 24) = 0
[pid  3751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3751] setpgid(0, 0)               = 0
[pid  3751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3751] write(3, "1000", 4)         = 4
[pid  3751] close(3)                    = 0
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3751] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3751] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3752], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3752
[pid  3751] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3752 attached
 <unfinished ...>
[pid  3752] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3752] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3752] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3751] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3752] <... futex resumed>)        = 1
[pid  3752] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3752] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3751] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3752] <... futex resumed>)        = 1
[pid  3752] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3752] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3751] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3752] <... futex resumed>)        = 1
[pid  3752] dup(4)                      = 5
[pid  3752] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3751] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3752] <... futex resumed>)        = 1
[pid  3752] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3752] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3752] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3752] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3751] <... futex resumed>)        = 0
[pid  3752] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3751] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3751] <... futex resumed>)        = 0
[pid  3752] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3752] <... openat resumed>)       = 7
[pid  3752] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3751] <... futex resumed>)        = 0
[pid  3752] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3751] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3751] <... futex resumed>)        = 0
[pid  3752] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3751] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3751] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3751] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3753], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3753
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3753 attached
 <unfinished ...>
[pid  3753] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3753] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3753] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3751] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3753] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3753] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3753] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3751] <... futex resumed>)        = 0
[pid  3753] dup3(8, 7, 0 <unfinished ...>
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3753] <... dup3 resumed>)         = 7
[pid  3751] <... futex resumed>)        = 0
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3753] <... futex resumed>)        = 1
[pid  3751] <... futex resumed>)        = 0
[pid  3753] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid  3753] <... ioctl resumed>)        = 0
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3753] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3751] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3753] <... futex resumed>)        = 0
[pid  3751] <... futex resumed>)        = 1
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3753] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3753] <... futex resumed>)        = 0
[pid  3751] <... futex resumed>)        = 1
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3753] read(7, "\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3751] <... futex resumed>)        = 0
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3753] <... futex resumed>)        = 0
[pid  3751] <... futex resumed>)        = 0
[pid  3753] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3751] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3753] <... futex resumed>)        = 0
[pid  3751] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3753] io_uring_enter(6, 767, 0, 0, NULL, 0) = 1
[pid  3753] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3751] <... futex resumed>)        = 0
[pid  3753] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3751] exit_group(0 <unfinished ...>
[pid  3753] <... futex resumed>)        = ?
[pid  3752] <... write resumed>)        = ?
[pid  3751] <... exit_group resumed>)   = ?
[pid  3752] +++ exited with 0 +++
[pid  3753] +++ exited with 0 +++
[pid  3751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3751, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3755 attached
, child_tidptr=0x5555572415d0) = 3755
[pid  3755] set_robust_list(0x5555572415e0, 24) = 0
[pid  3755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3755] setpgid(0, 0)               = 0
[pid  3755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3755] write(3, "1000", 4)         = 4
[pid  3755] close(3)                    = 0
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3755] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3755] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3756], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3756
./strace-static-x86_64: Process 3756 attached
[pid  3756] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3756] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3756] <... futex resumed>)        = 0
[pid  3755] <... futex resumed>)        = 1
[pid  3756] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3756] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3756] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3755] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3756] <... futex resumed>)        = 0
[pid  3756] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3756] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3756] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3755] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3756] <... futex resumed>)        = 0
[pid  3756] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3756] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3756] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3755] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3756] <... futex resumed>)        = 0
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3756] dup(4)                      = 5
[pid  3756] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3756] <... futex resumed>)        = 0
[pid  3756] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3755] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3756] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3755] <... futex resumed>)        = 0
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3756] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3756] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3756] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3755] <... futex resumed>)        = 0
[pid  3756] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3756] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3755] <... futex resumed>)        = 0
[pid  3756] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3756] <... openat resumed>)       = 7
[pid  3756] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3755] <... futex resumed>)        = 0
[pid  3755] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3756] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3755] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3755] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3755] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3757], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3757
[pid  3755] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3757 attached
 <unfinished ...>
[pid  3757] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3757] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3757] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3755] <... futex resumed>)        = 0
[pid  3755] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3757] <... futex resumed>)        = 1
[pid  3757] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3757] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3757] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3755] <... futex resumed>)        = 0
[pid  3755] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3757] <... futex resumed>)        = 1
[pid  3757] dup3(8, 7, 0)               = 7
[pid  3757] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3755] <... futex resumed>)        = 0
[pid  3755] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3757] <... futex resumed>)        = 1
[pid  3757] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3755] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3755] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3755] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3755] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3758], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3758
[pid  3755] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3758 attached
 <unfinished ...>
[pid  3758] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3758] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3755] <... futex resumed>)        = 0
[pid  3758] read(7,  <unfinished ...>
[pid  3755] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3755] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3757] <... ioctl resumed>)        = 0
[pid  3757] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3757] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3758] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3758] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3755] <... futex resumed>)        = 0
[pid  3758] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3757] <... futex resumed>)        = 0
[pid  3755] <... futex resumed>)        = 1
[pid  3757] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3757] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3755] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3757] <... futex resumed>)        = 0
[pid  3755] <... futex resumed>)        = 1
[pid  3757] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3755] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3757] <... io_uring_enter resumed>) = 1
[pid  3757] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3755] <... futex resumed>)        = 0
[pid  3757] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3755] exit_group(0 <unfinished ...>
[pid  3757] <... futex resumed>)        = ?
[pid  3758] <... futex resumed>)        = ?
[pid  3757] +++ exited with 0 +++
[pid  3756] <... write resumed>)        = ?
[pid  3755] <... exit_group resumed>)   = ?
[pid  3758] +++ exited with 0 +++
[pid  3756] +++ exited with 0 +++
[pid  3755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3755, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3760
./strace-static-x86_64: Process 3760 attached
[pid  3760] set_robust_list(0x5555572415e0, 24) = 0
[pid  3760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3760] setpgid(0, 0)               = 0
[pid  3760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3760] write(3, "1000", 4)         = 4
[pid  3760] close(3)                    = 0
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3760] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3760] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3761 attached
, parent_tid=[3761], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3761
[pid  3761] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3761] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3761] <... futex resumed>)        = 0
[pid  3761] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3761] <... socket resumed>)       = 3
[pid  3761] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3761] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3761] <... futex resumed>)        = 0
[pid  3760] <... futex resumed>)        = 1
[pid  3761] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3761] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3761] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3761] <... futex resumed>)        = 0
[pid  3760] <... futex resumed>)        = 1
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3761] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3761] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3760] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3761] dup(4)                      = 5
[pid  3761] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3761] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3761] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] <... futex resumed>)        = 0
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3761] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3761] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3761] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3761] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3761] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3761] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] <... futex resumed>)        = 0
[pid  3761] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3761] <... openat resumed>)       = 7
[pid  3761] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3760] <... futex resumed>)        = 0
[pid  3761] <... futex resumed>)        = 1
[pid  3760] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3761] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3760] <... futex resumed>)        = 0
[pid  3760] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3760] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3760] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3762 attached
 <unfinished ...>
[pid  3762] set_robust_list(0x7f4caf43e9e0, 24 <unfinished ...>
[pid  3760] <... clone resumed>, parent_tid=[3762], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3762
[pid  3762] <... set_robust_list resumed>) = 0
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3762] ioctl(7, TIOCSPTLCK, [0] <unfinished ...>
[pid  3760] <... futex resumed>)        = 0
[pid  3762] <... ioctl resumed>)        = 0
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] <... futex resumed>)        = 0
[pid  3762] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3762] <... ioctl resumed>, [0])   = 0
[pid  3762] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] <... futex resumed>)        = 0
[pid  3762] dup3(8, 7, 0 <unfinished ...>
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3762] <... dup3 resumed>)         = 7
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] <... futex resumed>)        = 0
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3762] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...}) = 0
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] <... futex resumed>)        = 0
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3762] <... futex resumed>)        = 0
[pid  3760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] <... futex resumed>)        = 0
[pid  3762] read(7,  <unfinished ...>
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3762] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3760] <... futex resumed>)        = 0
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = 0
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] <... futex resumed>)        = 0
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3762] <... futex resumed>)        = 0
[pid  3760] <... futex resumed>)        = 1
[pid  3762] io_uring_enter(6, 767, 0, 0, NULL, 0) = 1
[pid  3760] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3762] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3762] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3760] exit_group(0 <unfinished ...>
[pid  3762] <... futex resumed>)        = ?
[pid  3760] <... exit_group resumed>)   = ?
[pid  3761] <... write resumed>)        = ?
[pid  3762] +++ exited with 0 +++
[pid  3761] +++ exited with 0 +++
[pid  3760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3760, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3764 attached
, child_tidptr=0x5555572415d0) = 3764
[pid  3764] set_robust_list(0x5555572415e0, 24) = 0
[pid  3764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3764] setpgid(0, 0)               = 0
[pid  3764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3764] write(3, "1000", 4)         = 4
[pid  3764] close(3)                    = 0
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3764] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3764] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3765 attached
, parent_tid=[3765], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3765
[pid  3765] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3764] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3765] <... set_robust_list resumed>) = 0
[pid  3764] <... futex resumed>)        = 0
[pid  3765] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3765] <... socket resumed>)       = 3
[pid  3765] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3765] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3764] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3765] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3764] <... futex resumed>)        = 0
[pid  3765] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3764] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3765] <... futex resumed>)        = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid  3765] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3765] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3765] dup(4)                      = 5
[pid  3765] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3765] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3765] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3765] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3765] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3765] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3765] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3765] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3764] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3764] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3764] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3764] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3766 attached
 <unfinished ...>
[pid  3766] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3766] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3764] <... clone resumed>, parent_tid=[3766], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3766
[pid  3764] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3766] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3764] <... futex resumed>)        = 0
[pid  3766] ioctl(7, TIOCSPTLCK, [0] <unfinished ...>
[pid  3764] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3766] <... ioctl resumed>)        = 0
[pid  3766] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3766] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3766] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3766] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3766] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3764] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3766] <... futex resumed>)        = 0
[pid  3766] dup3(8, 7, 0)               = 7
[pid  3766] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3764] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3766] <... futex resumed>)        = 0
[pid  3766] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3764] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3766] <... futex resumed>)        = 0
[pid  3766] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3764] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3764] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3764] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3764] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3767], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3767
./strace-static-x86_64: Process 3767 attached
[pid  3767] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3767] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3764] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3767] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3767] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3767] <... futex resumed>)        = 0
[pid  3764] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3764] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3767] read(7,  <unfinished ...>
[pid  3766] <... ioctl resumed>)        = 0
[pid  3766] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3766] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3767] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3767] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3764] <... futex resumed>)        = 0
[pid  3767] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3764] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3766] <... futex resumed>)        = 0
[pid  3764] <... futex resumed>)        = 1
[pid  3766] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3766] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3764] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3764] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3766] <... futex resumed>)        = 0
[pid  3764] <... futex resumed>)        = 1
[pid  3766] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3764] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3766] <... io_uring_enter resumed>) = 1
[pid  3766] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3766] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3764] exit_group(0 <unfinished ...>
[pid  3766] <... futex resumed>)        = ?
[pid  3765] <... write resumed>)        = ?
[pid  3767] <... futex resumed>)        = ?
[pid  3764] <... exit_group resumed>)   = ?
[pid  3766] +++ exited with 0 +++
[pid  3765] +++ exited with 0 +++
[pid  3767] +++ exited with 0 +++
[pid  3764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3764, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3769
./strace-static-x86_64: Process 3769 attached
[pid  3769] set_robust_list(0x5555572415e0, 24) = 0
[pid  3769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3769] setpgid(0, 0)               = 0
[pid  3769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3769] write(3, "1000", 4)         = 4
[pid  3769] close(3)                    = 0
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3769] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3769] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3770], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3770
[pid  3769] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3770 attached
 <unfinished ...>
[pid  3770] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3770] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3770] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3770] <... futex resumed>)        = 1
[pid  3770] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3770] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3770] <... futex resumed>)        = 1
[pid  3770] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3770] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3770] <... futex resumed>)        = 1
[pid  3770] dup(4)                      = 5
[pid  3770] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3770] <... futex resumed>)        = 1
[pid  3770] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3770] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3770] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3770] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3769] <... futex resumed>)        = 0
[pid  3770] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3769] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3769] <... futex resumed>)        = 0
[pid  3770] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3770] <... openat resumed>)       = 7
[pid  3770] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3769] <... futex resumed>)        = 0
[pid  3770] <... futex resumed>)        = 1
[pid  3769] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3770] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3769] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3769] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3771], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3771
[pid  3769] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3771 attached
 <unfinished ...>
[pid  3771] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3771] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3771] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3771] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3771] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3771] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3771] dup3(8, 7, 0)               = 7
[pid  3771] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3769] <... futex resumed>)        = 0
[pid  3769] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3771] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3769] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3769] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3769] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3769] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3772], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3772
[pid  3769] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3772 attached
 <unfinished ...>
[pid  3772] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3772] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3769] <... futex resumed>)        = 0
[pid  3772] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3769] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3772] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3769] <... futex resumed>)        = 0
[pid  3772] read(7,  <unfinished ...>
[pid  3769] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3771] <... ioctl resumed>)        = 0
[pid  3771] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3771] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3772] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3772] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3769] <... futex resumed>)        = 0
[pid  3772] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3769] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3771] <... futex resumed>)        = 0
[pid  3769] <... futex resumed>)        = 1
[pid  3771] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3771] <... futex resumed>)        = 0
[pid  3769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3771] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3769] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3769] <... futex resumed>)        = 0
[pid  3771] io_uring_enter(6, 767, 0, 0, NULL, 0) = 1
[pid  3769] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3771] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3771] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3769] exit_group(0 <unfinished ...>
[pid  3772] <... futex resumed>)        = ?
[pid  3771] <... futex resumed>)        = ?
[pid  3769] <... exit_group resumed>)   = ?
[pid  3772] +++ exited with 0 +++
[pid  3771] +++ exited with 0 +++
[pid  3770] <... write resumed>)        = ?
[pid  3770] +++ exited with 0 +++
[pid  3769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3769, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3774
./strace-static-x86_64: Process 3774 attached
[pid  3774] set_robust_list(0x5555572415e0, 24) = 0
[pid  3774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3774] setpgid(0, 0)               = 0
[pid  3774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3774] write(3, "1000", 4)         = 4
[pid  3774] close(3)                    = 0
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3774] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3774] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3775 attached
, parent_tid=[3775], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3775
[pid  3775] set_robust_list(0x7f4caf45f9e0, 24 <unfinished ...>
[pid  3774] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3775] <... set_robust_list resumed>) = 0
[pid  3774] <... futex resumed>)        = 0
[pid  3775] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3775] <... socket resumed>)       = 3
[pid  3775] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3775] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] <... futex resumed>)        = 0
[pid  3775] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3775] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3775] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3775] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] <... futex resumed>)        = 0
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3775] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3775] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3774] <... futex resumed>)        = 0
[pid  3775] <... futex resumed>)        = 1
[pid  3774] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3775] dup(4 <unfinished ...>
[pid  3774] <... futex resumed>)        = 0
[pid  3775] <... dup resumed>)          = 5
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3775] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3774] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3775] <... futex resumed>)        = 0
[pid  3774] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3775] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3774] <... futex resumed>)        = 0
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3775] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3775] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3775] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3775] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3775] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3775] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW) = 7
[pid  3775] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3774] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3775] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3774] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3774] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3774] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3774] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3776], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3776
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3776 attached
 <unfinished ...>
[pid  3776] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3776] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3776] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3776] <... ioctl resumed>, [0])   = 0
[pid  3776] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3776] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] <... futex resumed>)        = 0
[pid  3776] dup3(8, 7, 0 <unfinished ...>
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3776] <... dup3 resumed>)         = 7
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3776] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] <... futex resumed>)        = 0
[pid  3776] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3776] <... ioctl resumed>)        = 0
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3776] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] <... futex resumed>)        = 0
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3776] <... futex resumed>)        = 0
[pid  3774] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3776] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] <... futex resumed>)        = 0
[pid  3776] read(7,  <unfinished ...>
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3776] <... read resumed>"\x70\x70\xda\x2d\x52\xf2\x09\x38\xe8\x55\x82", 8224) = 11
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3774] <... futex resumed>)        = 0
[pid  3776] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3776] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3774] <... futex resumed>)        = 0
[pid  3776] <... io_uring_enter resumed>) = 1
[pid  3776] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3776] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3774] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3774] exit_group(0 <unfinished ...>
[pid  3776] <... futex resumed>)        = ?
[pid  3774] <... exit_group resumed>)   = ?
[pid  3776] +++ exited with 0 +++
[pid  3775] <... write resumed>)        = ?
[pid  3775] +++ exited with 0 +++
[pid  3774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3774, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3778
./strace-static-x86_64: Process 3778 attached
[pid  3778] set_robust_list(0x5555572415e0, 24) = 0
[pid  3778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3778] setpgid(0, 0)               = 0
[pid  3778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3778] write(3, "1000", 4)         = 4
[pid  3778] close(3)                    = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3778] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3778] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3779 attached
, parent_tid=[3779], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3779
[pid  3778] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3779] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3779] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3779] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3778] <... futex resumed>)        = 0
[pid  3779] <... futex resumed>)        = 1
[pid  3778] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3779] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3779] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3778] <... futex resumed>)        = 0
[pid  3779] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3779] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3778] <... futex resumed>)        = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3779] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3779] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3778] <... futex resumed>)        = 0
[pid  3779] dup(4 <unfinished ...>
[pid  3778] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3779] <... dup resumed>)          = 5
[pid  3778] <... futex resumed>)        = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3779] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3778] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3779] <... futex resumed>)        = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3779] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3779] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3779] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3779] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3778] <... futex resumed>)        = 0
[pid  3779] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3778] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3779] <... openat resumed>)       = 7
[pid  3779] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3778] <... futex resumed>)        = 0
[pid  3779] <... futex resumed>)        = 1
[pid  3778] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3779] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3778] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3778] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3778] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3778] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3780], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3780
./strace-static-x86_64: Process 3780 attached
[pid  3780] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3780] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3780] <... futex resumed>)        = 0
[pid  3780] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3778] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3780] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3780] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3778] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3780] <... futex resumed>)        = 0
[pid  3778] <... futex resumed>)        = 1
[pid  3780] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3778] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3780] <... ioctl resumed>, [0])   = 0
[pid  3780] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3780] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3778] <... futex resumed>)        = 0
[pid  3780] dup3(8, 7, 0 <unfinished ...>
[pid  3778] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3780] <... dup3 resumed>)         = 7
[pid  3780] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3778] <... futex resumed>)        = 0
[pid  3780] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3778] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3778] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3778] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3778] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3781], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3781
./strace-static-x86_64: Process 3781 attached
[pid  3781] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3781] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3781] <... futex resumed>)        = 0
[pid  3781] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3781] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3778] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3781] <... futex resumed>)        = 0
[pid  3778] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3781] read(7,  <unfinished ...>
[pid  3780] <... ioctl resumed>)        = 0
[pid  3778] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3780] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3780] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3780] <... futex resumed>)        = 0
[pid  3778] <... futex resumed>)        = 1
[pid  3780] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3780] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3778] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3780] <... futex resumed>)        = 0
[pid  3778] <... futex resumed>)        = 1
[pid  3780] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3778] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3781] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3780] <... io_uring_enter resumed>) = 1
[pid  3780] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3778] <... futex resumed>)        = 0
[pid  3780] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3781] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3781] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3778] exit_group(0 <unfinished ...>
[pid  3780] <... futex resumed>)        = ?
[pid  3778] <... exit_group resumed>)   = ?
[pid  3780] +++ exited with 0 +++
[pid  3781] <... futex resumed>)        = ?
[pid  3779] <... write resumed>)        = ?
[pid  3781] +++ exited with 0 +++
[pid  3779] +++ exited with 0 +++
[pid  3778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3778, si_uid=0, si_status=0, si_utime=2, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3783
./strace-static-x86_64: Process 3783 attached
[pid  3783] set_robust_list(0x5555572415e0, 24) = 0
[pid  3783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3783] setpgid(0, 0)               = 0
[pid  3783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3783] write(3, "1000", 4)         = 4
[pid  3783] close(3)                    = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3783] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3783] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3784], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3784
[pid  3783] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3784 attached
 <unfinished ...>
[pid  3784] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3784] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3784] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] <... futex resumed>)        = 0
[pid  3783] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3784] <... futex resumed>)        = 1
[pid  3784] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3784] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] <... futex resumed>)        = 0
[pid  3783] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3784] <... futex resumed>)        = 1
[pid  3784] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3784] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] <... futex resumed>)        = 0
[pid  3783] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3784] <... futex resumed>)        = 1
[pid  3784] dup(4)                      = 5
[pid  3784] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] <... futex resumed>)        = 0
[pid  3783] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3784] <... futex resumed>)        = 1
[pid  3784] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3784] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3784] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3784] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] <... futex resumed>)        = 0
[pid  3784] <... futex resumed>)        = 1
[pid  3784] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3783] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3784] <... openat resumed>)       = 7
[pid  3784] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] <... futex resumed>)        = 0
[pid  3784] <... futex resumed>)        = 1
[pid  3783] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3784] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3783] <... futex resumed>)        = 0
[pid  3783] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3783] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3783] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3785], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3785
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3785 attached
 <unfinished ...>
[pid  3785] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3785] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3783] <... futex resumed>)        = 0
[pid  3785] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3785] <... ioctl resumed>, [0])   = 0
[pid  3785] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3783] <... futex resumed>)        = 0
[pid  3785] dup3(8, 7, 0 <unfinished ...>
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3785] <... dup3 resumed>)         = 7
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3783] <... futex resumed>)        = 0
[pid  3785] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3785] <... ioctl resumed>)        = 0
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3785] <... futex resumed>)        = 0
[pid  3783] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3783] <... futex resumed>)        = 0
[pid  3785] read(7,  <unfinished ...>
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3785] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3785] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3783] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3785] <... futex resumed>)        = 0
[pid  3783] <... futex resumed>)        = 1
[pid  3785] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3783] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3785] <... io_uring_enter resumed>) = 1
[pid  3785] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3783] <... futex resumed>)        = 0
[pid  3785] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3783] exit_group(0 <unfinished ...>
[pid  3785] <... futex resumed>)        = ?
[pid  3784] <... write resumed>)        = ?
[pid  3783] <... exit_group resumed>)   = ?
[pid  3785] +++ exited with 0 +++
[pid  3784] +++ exited with 0 +++
[pid  3783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3783, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3787 attached
, child_tidptr=0x5555572415d0) = 3787
[pid  3787] set_robust_list(0x5555572415e0, 24) = 0
[pid  3787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3787] setpgid(0, 0)               = 0
[pid  3787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3787] write(3, "1000", 4)         = 4
[pid  3787] close(3)                    = 0
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3787] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3787] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3788 attached
, parent_tid=[3788], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3788
[pid  3788] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3787] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3788] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3788] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3787] <... futex resumed>)        = 0
[pid  3788] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3788] <... futex resumed>)        = 0
[pid  3788] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3788] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3788] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3788] <... futex resumed>)        = 0
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3788] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3788] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3788] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] <... futex resumed>)        = 0
[pid  3788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3788] dup(4 <unfinished ...>
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3788] <... dup resumed>)          = 5
[pid  3788] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3788] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3787] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3788] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3788] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3788] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3788] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3787] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3788] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3788] <... openat resumed>)       = 7
[pid  3788] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3787] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3788] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3787] <... futex resumed>)        = 0
[pid  3787] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3787] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3787] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3789], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3789
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3789 attached
 <unfinished ...>
[pid  3789] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3789] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] <... futex resumed>)        = 0
[pid  3789] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3789] <... ioctl resumed>, [0])   = 0
[pid  3789] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] <... futex resumed>)        = 0
[pid  3789] dup3(8, 7, 0 <unfinished ...>
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3789] <... dup3 resumed>)         = 7
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] <... futex resumed>)        = 0
[pid  3789] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3789] <... ioctl resumed>)        = 0
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3789] <... futex resumed>)        = 0
[pid  3787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] <... futex resumed>)        = 0
[pid  3789] read(7,  <unfinished ...>
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3789] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3789] <... futex resumed>)        = 0
[pid  3787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3787] <... futex resumed>)        = 0
[pid  3789] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3787] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3789] <... io_uring_enter resumed>) = 1
[pid  3789] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3787] <... futex resumed>)        = 0
[pid  3789] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3787] exit_group(0 <unfinished ...>
[pid  3789] <... futex resumed>)        = ?
[pid  3788] <... write resumed>)        = ?
[pid  3787] <... exit_group resumed>)   = ?
[pid  3789] +++ exited with 0 +++
[pid  3788] +++ exited with 0 +++
[pid  3787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3787, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3791
./strace-static-x86_64: Process 3791 attached
[pid  3791] set_robust_list(0x5555572415e0, 24) = 0
[pid  3791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3791] setpgid(0, 0)               = 0
[pid  3791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3791] write(3, "1000", 4)         = 4
[pid  3791] close(3)                    = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3791] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3791] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3792], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3792
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3792 attached
 <unfinished ...>
[pid  3792] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3792] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3791] <... futex resumed>)        = 0
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3792] <... futex resumed>)        = 1
[pid  3792] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3791] <... futex resumed>)        = 0
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3792] <... futex resumed>)        = 1
[pid  3792] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3791] <... futex resumed>)        = 0
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3792] <... futex resumed>)        = 1
[pid  3792] dup(4)                      = 5
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3791] <... futex resumed>)        = 0
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3792] <... futex resumed>)        = 1
[pid  3792] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3792] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3792] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3791] <... futex resumed>)        = 0
[pid  3792] <... futex resumed>)        = 1
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3792] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3791] <... futex resumed>)        = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3792] <... openat resumed>)       = 7
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3791] <... futex resumed>)        = 0
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3792] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3791] <... futex resumed>)        = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3791] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3791] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3791] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3793], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3793
[pid  3791] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3793 attached
 <unfinished ...>
[pid  3793] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3793] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3793] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3791] <... futex resumed>)        = 0
[pid  3793] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3793] <... futex resumed>)        = 0
[pid  3791] <... futex resumed>)        = 1
[pid  3793] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3791] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3793] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3793] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3791] <... futex resumed>)        = 0
[pid  3793] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3793] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3791] <... futex resumed>)        = 0
[pid  3793] dup3(8, 7, 0 <unfinished ...>
[pid  3791] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3793] <... dup3 resumed>)         = 7
[pid  3793] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3791] <... futex resumed>)        = 0
[pid  3793] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3793] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3791] <... futex resumed>)        = 0
[pid  3793] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3791] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3793] <... ioctl resumed>)        = 0
[pid  3793] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3791] <... futex resumed>)        = 0
[pid  3793] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3793] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3791] <... futex resumed>)        = 0
[pid  3793] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3791] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3793] <... futex resumed>)        = 0
[pid  3791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3793] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3793] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3791] <... futex resumed>)        = 0
[pid  3793] read(7,  <unfinished ...>
[pid  3791] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3793] <... read resumed>0x20000380, 8224) = -1 EIO (Input/output error)
[pid  3792] <... write resumed>)        = 65326
[pid  3793] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3793] <... futex resumed>)        = 1
[pid  3792] <... futex resumed>)        = 0
[pid  3791] <... futex resumed>)        = 0
[pid  3793] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3792] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3792] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3791] <... futex resumed>)        = 0
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3792] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3791] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3792] <... futex resumed>)        = 0
[pid  3791] <... futex resumed>)        = 1
[pid  3792] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3791] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3792] <... io_uring_enter resumed>) = 1
[pid  3792] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3791] <... futex resumed>)        = 0
[pid  3792] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3791] exit_group(0 <unfinished ...>
[pid  3793] <... futex resumed>)        = ?
[pid  3792] <... futex resumed>)        = ?
[pid  3791] <... exit_group resumed>)   = ?
[pid  3793] +++ exited with 0 +++
[pid  3792] +++ exited with 0 +++
[pid  3791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3791, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3795 attached
, child_tidptr=0x5555572415d0) = 3795
[pid  3795] set_robust_list(0x5555572415e0, 24) = 0
[pid  3795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3795] setpgid(0, 0)               = 0
[pid  3795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3795] write(3, "1000", 4)         = 4
[pid  3795] close(3)                    = 0
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3795] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3795] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3796 attached
 <unfinished ...>
[pid  3796] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3796] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3795] <... clone resumed>, parent_tid=[3796], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3796
[pid  3795] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3796] <... futex resumed>)        = 0
[pid  3796] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER <unfinished ...>
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3796] <... socket resumed>)       = 3
[pid  3796] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3795] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3796] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */,  <unfinished ...>
[pid  3795] <... futex resumed>)        = 0
[pid  3796] <... prctl resumed>NULL)    = -1 EINVAL (Invalid argument)
[pid  3796] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3795] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3796] <... futex resumed>)        = 0
[pid  3795] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3796] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3796] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3795] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3796] dup(4 <unfinished ...>
[pid  3795] <... futex resumed>)        = 0
[pid  3796] <... dup resumed>)          = 5
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3796] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3796] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3796] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 <unfinished ...>
[pid  3795] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3796] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3796] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3796] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3796] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3795] <... futex resumed>)        = 0
[pid  3796] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3795] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3796] <... openat resumed>)       = 7
[pid  3796] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3795] <... futex resumed>)        = 0
[pid  3796] <... futex resumed>)        = 1
[pid  3795] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3796] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3795] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3795] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3795] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3797], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3797
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3797 attached
 <unfinished ...>
[pid  3797] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3797] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3795] <... futex resumed>)        = 0
[pid  3797] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3795] <... futex resumed>)        = 0
[pid  3797] ioctl(7, TIOCGPTN <unfinished ...>
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3797] <... ioctl resumed>, [0])   = 0
[pid  3797] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3795] <... futex resumed>)        = 0
[pid  3797] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3797] dup3(8, 7, 0 <unfinished ...>
[pid  3795] <... futex resumed>)        = 0
[pid  3797] <... dup3 resumed>)         = 7
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3797] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3797] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3795] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3797] <... ioctl resumed>)        = 0
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3795] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3795] <... futex resumed>)        = 0
[pid  3797] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3797] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3797] <... futex resumed>)        = 0
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3797] read(7, "\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3795] <... futex resumed>)        = 0
[pid  3797] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3795] <... futex resumed>)        = 0
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3797] <... futex resumed>)        = 0
[pid  3795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3797] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3795] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3795] <... futex resumed>)        = 0
[pid  3797] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3795] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3797] <... io_uring_enter resumed>) = 1
[pid  3797] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3795] <... futex resumed>)        = 0
[pid  3797] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3795] exit_group(0 <unfinished ...>
[pid  3797] <... futex resumed>)        = ?
[pid  3796] <... write resumed>)        = ?
[pid  3795] <... exit_group resumed>)   = ?
[pid  3797] +++ exited with 0 +++
[pid  3796] +++ exited with 0 +++
[pid  3795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3795, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572415d0) = 3799
./strace-static-x86_64: Process 3799 attached
[pid  3799] set_robust_list(0x5555572415e0, 24) = 0
[pid  3799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3799] setpgid(0, 0)               = 0
[pid  3799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3799] write(3, "1000", 4)         = 4
[pid  3799] close(3)                    = 0
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf43f000
[pid  3799] mprotect(0x7f4caf440000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3799] clone(child_stack=0x7f4caf45f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3800], tls=0x7f4caf45f700, child_tidptr=0x7f4caf45f9d0) = 3800
./strace-static-x86_64: Process 3800 attached
[pid  3800] set_robust_list(0x7f4caf45f9e0, 24) = 0
[pid  3800] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3799] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3800] <... futex resumed>)        = 0
[pid  3800] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3800] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3800] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3799] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3800] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3800] prctl(PR_SCHED_CORE, PR_SCHED_CORE_GET, 0, 0x2 /* PIDTYPE_PGID */, NULL) = -1 EINVAL (Invalid argument)
[pid  3800] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3800] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3799] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3800] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDONLY) = 4
[pid  3800] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3800] dup(4)                      = 5
[pid  3800] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3800] futex(0x7f4caf5394e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3799] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3800] io_uring_setup(16098, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=524608}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 6
[pid  3800] mmap(0x20002000, 590144, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0) = 0x20002000
[pid  3800] mmap(0x20004000, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 6, 0x10000000) = 0x20004000
[pid  3800] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3800] openat(AT_FDCWD, "/dev/ptmx", O_WRONLY|O_NOCTTY|O_TRUNC|O_SYNC|O_NOFOLLOW <unfinished ...>
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3800] <... openat resumed>)       = 7
[pid  3800] futex(0x7f4caf5394ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3800] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x70\x74\x6d\x78\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65326 <unfinished ...>
[pid  3799] futex(0x7f4caf5394ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf41e000
[pid  3799] mprotect(0x7f4caf41f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3799] clone(child_stack=0x7f4caf43e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3801], tls=0x7f4caf43e700, child_tidptr=0x7f4caf43e9d0) = 3801
[pid  3799] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3801 attached
 <unfinished ...>
[pid  3801] set_robust_list(0x7f4caf43e9e0, 24) = 0
[pid  3801] ioctl(7, TIOCSPTLCK, [0])   = 0
[pid  3801] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3801] ioctl(7, TIOCGPTN, [0])     = 0
[pid  3801] openat(AT_FDCWD, "/dev/pts/0", O_RDONLY) = 8
[pid  3801] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3801] dup3(8, 7, 0)               = 7
[pid  3801] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3801] ioctl(7, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig icanon -echo ...} <unfinished ...>
[pid  3799] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  3799] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4caf3fd000
[pid  3799] mprotect(0x7f4caf3fe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3799] clone(child_stack=0x7f4caf41d3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3802], tls=0x7f4caf41d700, child_tidptr=0x7f4caf41d9d0) = 3802
[pid  3799] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3802 attached
 <unfinished ...>
[pid  3802] set_robust_list(0x7f4caf41d9e0, 24) = 0
[pid  3802] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf539508, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3799] futex(0x7f4caf53950c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3802] <... futex resumed>)        = 1
[pid  3802] read(7,  <unfinished ...>
[pid  3801] <... ioctl resumed>)        = 0
[pid  3801] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3801] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3802] <... read resumed>"\x01\x00\x00\x40\x01\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 4095
[pid  3802] futex(0x7f4caf53950c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3799] <... futex resumed>)        = 0
[pid  3799] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3802] <... futex resumed>)        = 1
[pid  3802] futex(0x7f4caf539508, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3801] <... futex resumed>)        = 0
[pid  3801] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3801] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3799] futex(0x7f4caf5394f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3801] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3801] io_uring_enter(6, 767, 0, 0, NULL, 0 <unfinished ...>
[pid  3799] <... futex resumed>)        = 0
[pid  3801] <... io_uring_enter resumed>) = 1
[pid  3799] futex(0x7f4caf5394fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3801] futex(0x7f4caf5394fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3799] <... futex resumed>)        = 0
[pid  3801] futex(0x7f4caf5394f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3799] exit_group(0 <unfinished ...>
[pid  3802] <... futex resumed>)        = ?
[pid  3801] <... futex resumed>)        = ?
[pid  3799] <... exit_group resumed>)   = ?
[pid  3802] +++ exited with 0 +++
[pid  3801] +++ exited with 0 +++
syzkaller login: [   63.740370][ T3800] ==================================================================
[   63.748497][ T3800] BUG: KASAN: use-after-free in __wake_up_common+0x637/0x650
[   63.755867][ T3800] Read of size 8 at addr ffff8880253cdfb0 by task syz-executor106/3800
[   63.764106][ T3800] 
[   63.766435][ T3800] CPU: 0 PID: 3800 Comm: syz-executor106 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0
[   63.776410][ T3800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[   63.786466][ T3800] Call Trace:
[   63.789742][ T3800]  <TASK>
[   63.792670][ T3800]  dump_stack_lvl+0xcd/0x134
[   63.797291][ T3800]  print_report.cold+0x2ba/0x719
[   63.802261][ T3800]  ? __wake_up_common+0x637/0x650
[   63.807284][ T3800]  kasan_report+0xbe/0x1f0
[   63.811714][ T3800]  ? __wake_up_common+0x637/0x650
[   63.816728][ T3800]  __wake_up_common+0x637/0x650
[   63.821632][ T3800]  __wake_up_common_lock+0xd0/0x130
[   63.826831][ T3800]  ? __wake_up_common+0x650/0x650
[   63.831866][ T3800]  ? rwlock_bug.part.0+0x90/0x90
[   63.836804][ T3800]  ? _raw_spin_unlock_irq+0x1f/0x40
[   63.842021][ T3800]  ? _raw_spin_unlock_irq+0x1f/0x40
[   63.847220][ T3800]  pty_close+0x224/0x4f0
[   63.851470][ T3800]  ? pty_open+0x300/0x300
[   63.855802][ T3800]  tty_release+0x45e/0x1200
[   63.860309][ T3800]  __fput+0x277/0x9d0
[   63.864287][ T3800]  ? tty_release_struct+0xe0/0xe0
[   63.869313][ T3800]  task_work_run+0xdd/0x1a0
[   63.873820][ T3800]  ptrace_notify+0x114/0x140
[   63.878408][ T3800]  syscall_exit_to_user_mode_prepare+0x129/0x280
[   63.884733][ T3800]  syscall_exit_to_user_mode+0x9/0x50
[   63.890110][ T3800]  do_syscall_64+0x42/0xb0
[   63.894529][ T3800]  entry_SYSCALL_64_after_hwframe+0x46/0xb0
[   63.900418][ T3800] RIP: 0033:0x7f4caf4b25d9
[   63.904831][ T3800] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 b8 ff ff ff f7 d8 64 89 01 48
[   63.924528][ T3800] RSP: 002b:00007f4caf45f268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   63.932937][ T3800] RAX: 0000000000006a00 RBX: 00007f4caf5394e0 RCX: 00007f4caf4b25d9
[   63.940905][ T3800] RDX: 000000000000ff2e RSI: 0000000020000080 RDI: 0000000000000007
[   63.949193][ T3800] RBP: 00007f4caf506074 R08: 0000000000000000 R09: 0000000000000000
[   63.957170][ T3800] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4caf5394e8
[   63.965148][ T3800] R13: 0000000020004400 R14: 6d74702f7665642f R15: 0000000000000006
[   63.973140][ T3800]  </TASK>
[   63.976172][ T3800] 
[   63.978492][ T3800] Allocated by task 3801:
[   63.982809][ T3800]  kasan_save_stack+0x1e/0x40
[   63.987501][ T3800]  __kasan_kmalloc+0xa9/0xd0
[   63.992084][ T3800]  __io_queue_proc+0x2dc/0x950
[   63.996847][ T3800]  n_tty_poll+0xb4/0x8a0
[   64.001104][ T3800]  tty_poll+0x139/0x1b0
[   64.005259][ T3800]  __io_arm_poll_handler+0x488/0x1060
[   64.010637][ T3800]  io_arm_poll_handler+0x5c6/0xce0
[   64.015747][ T3800]  io_queue_async+0xc1/0x3e0
[   64.020339][ T3800]  io_submit_sqes+0x15fc/0x1ec0
[   64.025190][ T3800]  __do_sys_io_uring_enter+0xb85/0x1eb0
[   64.030746][ T3800]  do_syscall_64+0x35/0xb0
[   64.035171][ T3800]  entry_SYSCALL_64_after_hwframe+0x46/0xb0
[   64.041094][ T3800] 
[   64.043432][ T3800] Freed by task 3803:
[   64.047403][ T3800]  kasan_save_stack+0x1e/0x40
[   64.052089][ T3800]  kasan_set_track+0x21/0x30
[   64.056673][ T3800]  kasan_set_free_info+0x20/0x30
[   64.061604][ T3800]  ____kasan_slab_free+0x166/0x1c0
[   64.066713][ T3800]  slab_free_freelist_hook+0x8b/0x1c0
[   64.072090][ T3800]  kfree+0xe2/0x4d0
[   64.075899][ T3800]  io_clean_op+0x1b1/0xa40
[   64.080317][ T3800]  io_free_req+0xc9/0x299
[   64.084646][ T3800]  io_wq_free_work.cold+0x62/0x67
[   64.089668][ T3800]  io_worker_handle_work+0xc48/0x1c60
[   64.095136][ T3800]  io_wqe_worker+0x640/0xe90
[   64.099739][ T3800]  ret_from_fork+0x1f/0x30
[   64.104426][ T3800] 
[   64.106777][ T3800] The buggy address belongs to the object at ffff8880253cdf80
[   64.106777][ T3800]  which belongs to the cache kmalloc-64 of size 64
[   64.120657][ T3800] The buggy address is located 48 bytes inside of
[   64.120657][ T3800]  64-byte region [ffff8880253cdf80, ffff8880253cdfc0)
[   64.133839][ T3800] 
[   64.136156][ T3800] The buggy address belongs to the physical page:
[   64.142555][ T3800] page:ffffea000094f340 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x253cd
[   64.152716][ T3800] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[   64.160258][ T3800] raw: 00fff00000000200 ffffea0000963c00 dead000000000003 ffff888011841640
[   64.168833][ T3800] raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000
[   64.177400][ T3800] page dumped because: kasan: bad access detected
[   64.183799][ T3800] page_owner tracks the page as allocated
[   64.189499][ T3800] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 11, tgid 11 (kworker/u4:1), ts 9976176866, free_ts 0
[   64.206512][ T3800]  get_page_from_freelist+0x210d/0x3a30
[   64.212062][ T3800]  __alloc_pages+0x1c7/0x510
[   64.216661][ T3800]  alloc_pages+0x1aa/0x310
[   64.221086][ T3800]  allocate_slab+0x27e/0x3d0
[   64.225765][ T3800]  ___slab_alloc+0x89d/0xef0
[   64.230359][ T3800]  __slab_alloc.constprop.0+0x4d/0xa0
[   64.235734][ T3800]  __kmalloc+0x3a2/0x450
[   64.239977][ T3800]  security_task_alloc+0x10b/0x250
[   64.245087][ T3800]  copy_process+0x23e0/0x7080
[   64.249775][ T3800]  kernel_clone+0xe7/0xab0
[   64.254275][ T3800]  user_mode_thread+0xad/0xe0
[   64.259140][ T3800]  call_usermodehelper_exec_work+0xcc/0x180
[   64.265029][ T3800]  process_one_work+0x991/0x1610
[   64.269965][ T3800]  worker_thread+0x665/0x1080
[   64.274639][ T3800]  kthread+0x2e9/0x3a0
[   64.278703][ T3800]  ret_from_fork+0x1f/0x30
[   64.283135][ T3800] page_owner free stack trace missing
[   64.288504][ T3800] 
[   64.290819][ T3800] Memory state around the buggy address:
[   64.296438][ T3800]  ffff8880253cde80: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc
[   64.304499][ T3800]  ffff8880253cdf00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   64.312553][ T3800] >ffff8880253cdf80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   64.320620][ T3800]                                      ^
[   64.326241][ T3800]  ffff8880253ce000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   64.334292][ T3800]  ffff8880253ce080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[   64.342340][ T3800] ==================================================================
[   64.350389][ T3800] Kernel panic - not syncing: panic_on_warn set ...
[   64.356962][ T3800] CPU: 0 PID: 3800 Comm: syz-executor106 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0
[   64.366932][ T3800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[   64.376995][ T3800] Call Trace:
[   64.380269][ T3800]  <TASK>
[   64.383198][ T3800]  dump_stack_lvl+0xcd/0x134
[   64.387799][ T3800]  panic+0x2d7/0x636
[   64.391696][ T3800]  ? panic_print_sys_info.part.0+0x10b/0x10b
[   64.397680][ T3800]  ? print_report.cold+0x4f6/0x719
[   64.402796][ T3800]  ? __wake_up_common+0x637/0x650
[   64.407816][ T3800]  end_report.part.0+0x3f/0x7c
[   64.412695][ T3800]  kasan_report.cold+0x8/0x12
[   64.417377][ T3800]  ? __wake_up_common+0x637/0x650
[   64.422399][ T3800]  __wake_up_common+0x637/0x650
[   64.427249][ T3800]  __wake_up_common_lock+0xd0/0x130
[   64.432450][ T3800]  ? __wake_up_common+0x650/0x650
[   64.437471][ T3800]  ? rwlock_bug.part.0+0x90/0x90
[   64.442404][ T3800]  ? _raw_spin_unlock_irq+0x1f/0x40
[   64.447625][ T3800]  ? _raw_spin_unlock_irq+0x1f/0x40
[   64.452829][ T3800]  pty_close+0x224/0x4f0
[   64.457070][ T3800]  ? pty_open+0x300/0x300
[   64.461401][ T3800]  tty_release+0x45e/0x1200
[   64.465912][ T3800]  __fput+0x277/0x9d0
[   64.469894][ T3800]  ? tty_release_struct+0xe0/0xe0
[   64.474923][ T3800]  task_work_run+0xdd/0x1a0
[   64.479433][ T3800]  ptrace_notify+0x114/0x140
[   64.484027][ T3800]  syscall_exit_to_user_mode_prepare+0x129/0x280
[   64.490356][ T3800]  syscall_exit_to_user_mode+0x9/0x50
[   64.495732][ T3800]  do_syscall_64+0x42/0xb0
[   64.500148][ T3800]  entry_SYSCALL_64_after_hwframe+0x46/0xb0
[   64.506057][ T3800] RIP: 0033:0x7f4caf4b25d9
[   64.510468][ T3800] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 b8 ff ff ff f7 d8 64 89 01 48
[   64.530069][ T3800] RSP: 002b:00007f4caf45f268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   64.538491][ T3800] RAX: 0000000000006a00 RBX: 00007f4caf5394e0 RCX: 00007f4caf4b25d9
[   64.546459][ T3800] RDX: 000000000000ff2e RSI: 0000000020000080 RDI: 0000000000000007
[   64.554426][ T3800] RBP: 00007f4caf506074 R08: 0000000000000000 R09: 0000000000000000
[   64.562397][ T3800] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4caf5394e8
[   64.570364][ T3800] R13: 0000000020004400 R14: 6d74702f7665642f R15: 0000000000000006
[   64.578335][ T3800]  </TASK>
[   64.581517][ T3800] Kernel Offset: disabled
[   64.585838][ T3800] Rebooting in 86400 seconds..