./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2659442020
<...>
DUID 00:04:06:88:74:a7:04:75:62:cb:55:93:34:09:94:90:e1:fe
forked to background, child pid 3189
[ 36.301450][ T3190] 8021q: adding VLAN 0 to HW filter on device bond0
[ 36.310805][ T3190] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.42' (ECDSA) to the list of known hosts.
execve("./syz-executor2659442020", ["./syz-executor2659442020"], 0x7ffe279a0490 /* 10 vars */) = 0
brk(NULL) = 0x5555571d4000
brk(0x5555571d4c40) = 0x5555571d4c40
arch_prctl(ARCH_SET_FS, 0x5555571d4300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555571d45d0) = 3617
set_robust_list(0x5555571d45e0, 24) = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7fdef6e323c0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fdef6e32a90}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fdef6e32460, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdef6e32a90}, 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-executor2659442020", 4096) = 28
brk(0x5555571f5c40) = 0x5555571f5c40
brk(0x5555571f6000) = 0x5555571f6000
mprotect(0x7fdef6ef3000, 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
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1) = 1
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached
, child_tidptr=0x5555571d45d0) = 3618
[pid 3618] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3618] setpgid(0, 0) = 0
[pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3618] write(3, "1000", 4) = 4
[pid 3618] close(3) = 0
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3618] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3618] clone(child_stack=0x7fdef6e223f0, 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 3619 attached
, parent_tid=[3619], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3619
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3619] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3618] <... futex resumed>) = 0
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3618] <... futex resumed>) = 0
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3618] <... futex resumed>) = 0
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3618] <... futex resumed>) = 0
[pid 3619] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3618] <... futex resumed>) = 0
[pid 3619] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] <... ioctl resumed>) = 0
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3618] <... futex resumed>) = 0
[pid 3619] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3618] <... futex resumed>) = 0
[pid 3619] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] <... ioctl resumed>) = 0
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3618] <... futex resumed>) = 0
[pid 3619] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3618] <... futex resumed>) = 0
[pid 3619] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] <... openat resumed>) = 6
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3618] <... futex resumed>) = 0
[pid 3619] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3618] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3618] <... futex resumed>) = 0
[pid 3619] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3618] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3619] <... openat resumed>) = 7
[pid 3619] write(7, "5", 1) = 1
[pid 3619] ioctl(6, NBD_DO_IT <unfinished ...>
[pid 3618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 3619] <... ioctl resumed>) = 0
[pid 3619] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3619] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3618] exit_group(0) = ?
[pid 3619] <... futex resumed>) = ?
[pid 3619] +++ exited with 0 +++
[pid 3618] +++ exited with 0 +++
syzkaller login: [ 58.133144][ T48] block nbd0: Receive control failed (result -107)
[ 58.134075][ T48] block nbd0: Receive control failed (result -32)
[ 58.148194][ T3619] block nbd0: shutting down sockets
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, 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 3622 attached
, child_tidptr=0x5555571d45d0) = 3622
[pid 3622] set_robust_list(0x5555571d45e0, 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(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3622] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3622] clone(child_stack=0x7fdef6e223f0, 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 3623 attached
, parent_tid=[3623], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3623
[pid 3622] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3622] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3623] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3623] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3622] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 3622] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6de1000
[pid 3622] mprotect(0x7fdef6de2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3622] clone(child_stack=0x7fdef6e013f0, 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 3624 attached
, parent_tid=[3624], tls=0x7fdef6e01700, child_tidptr=0x7fdef6e019d0) = 3624
[pid 3622] futex(0x7fdef6ef94f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3622] futex(0x7fdef6ef94fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3624] set_robust_list(0x7fdef6e019e0, 24) = 0
[pid 3624] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3623] <... openat resumed>) = 3
[pid 3623] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3624] <... openat resumed>) = 4
[pid 3623] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3624] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3622] <... futex resumed>) = 0
[pid 3622] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3623] <... futex resumed>) = 0
[pid 3622] <... futex resumed>) = 1
[pid 3623] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3622] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3623] <... socket resumed>) = 5
[pid 3623] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3622] <... futex resumed>) = 0
[pid 3623] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3622] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3622] <... futex resumed>) = 0
[pid 3623] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3622] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3624] futex(0x7fdef6ef94f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3623] <... ioctl resumed>) = 0
[pid 3623] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3622] <... futex resumed>) = 0
[pid 3623] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3622] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3622] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3623] <... ioctl resumed>) = 0
[pid 3623] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3622] <... futex resumed>) = 0
[pid 3622] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3622] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3623] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE) = 0
[pid 3623] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3622] <... futex resumed>) = 0
[pid 3623] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3622] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3623] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3622] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3623] <... openat resumed>) = 6
[pid 3623] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3622] <... futex resumed>) = 0
[pid 3623] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3622] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3622] <... futex resumed>) = 0
[pid 3623] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3622] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3623] <... openat resumed>) = 7
[pid 3623] write(7, "5", 1) = 1
[pid 3623] ioctl(6, NBD_DO_IT) = 0
[pid 3623] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3622] <... futex resumed>) = 0
[pid 3623] futex(0x7fdef6ef94e8, 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=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3625
./strace-static-x86_64: Process 3625 attached
[pid 3625] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3625] setpgid(0, 0) = 0
[pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3625] write(3, "1000", 4) = 4
[pid 3625] close(3) = 0
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3625] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3625] clone(child_stack=0x7fdef6e223f0, 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 3626 attached
, parent_tid=[3626], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3626
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3626] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3626] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3626] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3626] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 58.342046][ T3620] block nbd0: Receive control failed (result -107)
[ 58.342123][ T3620] block nbd0: Receive control failed (result -32)
[ 58.357995][ T3622] block nbd0: shutting down sockets
[pid 3626] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3626] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3625] <... futex resumed>) = 0
[pid 3626] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3626] <... ioctl resumed>) = 0
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3626] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3625] <... futex resumed>) = 0
[pid 3626] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3626] <... ioctl resumed>) = 0
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3626] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3625] <... futex resumed>) = 0
[pid 3626] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3626] <... openat resumed>) = 6
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3626] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3625] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3625] <... futex resumed>) = 0
[pid 3626] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3625] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3626] <... openat resumed>) = 7
[pid 3626] write(7, "5", 1) = 1
[pid 3626] ioctl(6, NBD_DO_IT) = 0
[pid 3626] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3625] <... futex resumed>) = 0
[pid 3626] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3625] exit_group(0 <unfinished ...>
[pid 3626] <... futex resumed>) = ?
[pid 3625] <... exit_group resumed>) = ?
[pid 3626] +++ exited with 0 +++
[pid 3625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3627
./strace-static-x86_64: Process 3627 attached
[pid 3627] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3627] setpgid(0, 0) = 0
[pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3627] write(3, "1000", 4) = 4
[pid 3627] close(3) = 0
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3627] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3627] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3628
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3628 attached
<unfinished ...>
[pid 3628] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3628] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3627] <... futex resumed>) = 0
[pid 3628] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3628] <... openat resumed>) = 4
[pid 3627] <... futex resumed>) = 0
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3628] <... futex resumed>) = 0
[pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3628] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3627] <... futex resumed>) = 0
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3628] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3627] <... futex resumed>) = 0
[pid 3628] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3627] <... futex resumed>) = 0
[pid 3628] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[ 58.479586][ T48] block nbd0: Receive control failed (result -107)
[ 58.479654][ T48] block nbd0: Receive control failed (result -32)
[ 58.499242][ T3625] block nbd0: shutting down sockets
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3628] <... ioctl resumed>) = 0
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3627] <... futex resumed>) = 0
[pid 3628] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3627] <... futex resumed>) = 0
[pid 3628] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3628] <... ioctl resumed>) = 0
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3627] <... futex resumed>) = 0
[pid 3628] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3627] <... futex resumed>) = 0
[pid 3628] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3628] <... openat resumed>) = 6
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3627] <... futex resumed>) = 0
[pid 3628] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3627] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3627] <... futex resumed>) = 0
[pid 3628] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3627] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3628] <... openat resumed>) = 7
[pid 3628] write(7, "5", 1) = 1
[pid 3628] ioctl(6, NBD_DO_IT) = 0
[pid 3628] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3627] <... futex resumed>) = 0
[pid 3628] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3627] exit_group(0 <unfinished ...>
[pid 3628] <... futex resumed>) = ?
[pid 3627] <... exit_group resumed>) = ?
[pid 3628] +++ exited with 0 +++
[pid 3627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3629 attached
, child_tidptr=0x5555571d45d0) = 3629
[pid 3629] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3629] setpgid(0, 0) = 0
[pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3629] write(3, "1000", 4) = 4
[pid 3629] close(3) = 0
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3629] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3629] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3630], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3630
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3630 attached
) = 0
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3630] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3629] <... futex resumed>) = 0
[pid 3630] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3630] <... openat resumed>) = 4
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3630] <... futex resumed>) = 0
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3630] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3629] <... futex resumed>) = 0
[pid 3630] <... socket resumed>) = 5
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3629] <... futex resumed>) = 0
[pid 3630] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] <... ioctl resumed>) = 0
[ 58.599552][ T3620] block nbd0: Receive control failed (result -107)
[ 58.599643][ T3620] block nbd0: Receive control failed (result -32)
[ 58.618911][ T3627] block nbd0: shutting down sockets
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3629] <... futex resumed>) = 0
[pid 3630] <... futex resumed>) = 1
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3630] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3629] <... futex resumed>) = 0
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] <... ioctl resumed>) = 0
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3629] <... futex resumed>) = 0
[pid 3630] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3629] <... futex resumed>) = 0
[pid 3630] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] <... ioctl resumed>) = 0
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3629] <... futex resumed>) = 0
[pid 3630] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3629] <... futex resumed>) = 0
[pid 3630] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] <... openat resumed>) = 6
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3629] <... futex resumed>) = 0
[pid 3630] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3629] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3629] <... futex resumed>) = 0
[pid 3630] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3629] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3630] <... openat resumed>) = 7
[pid 3630] write(7, "5", 1) = 1
[pid 3630] ioctl(6, NBD_DO_IT) = 0
[pid 3630] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3629] <... futex resumed>) = 0
[pid 3630] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3629] exit_group(0 <unfinished ...>
[pid 3630] <... futex resumed>) = ?
[pid 3629] <... exit_group resumed>) = ?
[pid 3630] +++ exited with 0 +++
[pid 3629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3631
./strace-static-x86_64: Process 3631 attached
[pid 3631] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3631] setpgid(0, 0) = 0
[pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3631] write(3, "1000", 4) = 4
[pid 3631] close(3) = 0
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3631] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3631] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3632
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3632 attached
<unfinished ...>
[pid 3632] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3632] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3631] <... futex resumed>) = 0
[pid 3632] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3632] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3631] <... futex resumed>) = 0
[pid 3632] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3632] <... socket resumed>) = 5
[pid 3631] <... futex resumed>) = 0
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3632] <... futex resumed>) = 0
[pid 3631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3632] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 58.730047][ T48] block nbd0: Receive control failed (result -107)
[ 58.730125][ T48] block nbd0: Receive control failed (result -32)
[ 58.743854][ T3621] block nbd0: shutting down sockets
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3632] <... ioctl resumed>) = 0
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3631] <... futex resumed>) = 0
[pid 3632] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3631] <... futex resumed>) = 0
[pid 3632] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3632] <... ioctl resumed>) = 0
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3631] <... futex resumed>) = 0
[pid 3632] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3631] <... futex resumed>) = 0
[pid 3632] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3632] <... ioctl resumed>) = 0
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3631] <... futex resumed>) = 0
[pid 3632] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3631] <... futex resumed>) = 0
[pid 3632] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3632] <... openat resumed>) = 6
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3631] <... futex resumed>) = 0
[pid 3632] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3631] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3631] <... futex resumed>) = 0
[pid 3632] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3631] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3632] <... openat resumed>) = 7
[pid 3632] write(7, "5", 1) = 1
[pid 3632] ioctl(6, NBD_DO_IT) = 0
[pid 3632] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3631] <... futex resumed>) = 0
[pid 3632] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3631] exit_group(0 <unfinished ...>
[pid 3632] <... futex resumed>) = ?
[pid 3631] <... exit_group resumed>) = ?
[pid 3632] +++ exited with 0 +++
[pid 3631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3633
./strace-static-x86_64: Process 3633 attached
[pid 3633] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3633] setpgid(0, 0) = 0
[pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3633] write(3, "1000", 4) = 4
[pid 3633] close(3) = 0
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3633] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3633] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3634], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3634
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3634 attached
<unfinished ...>
[pid 3634] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3634] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3633] <... futex resumed>) = 0
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3634] <... futex resumed>) = 1
[pid 3634] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3633] <... futex resumed>) = 0
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3634] <... futex resumed>) = 1
[pid 3634] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3633] <... futex resumed>) = 0
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3634] <... futex resumed>) = 1
[pid 3634] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3633] <... futex resumed>) = 0
[pid 3634] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3633] <... futex resumed>) = 0
[pid 3634] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[ 58.871028][ T3620] block nbd0: Receive control failed (result -107)
[ 58.871172][ T3620] block nbd0: Receive control failed (result -32)
[ 58.876173][ T3631] block nbd0: shutting down sockets
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3634] <... ioctl resumed>) = 0
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3633] <... futex resumed>) = 0
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3634] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3633] <... futex resumed>) = 0
[pid 3634] <... ioctl resumed>) = 0
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3634] <... futex resumed>) = 0
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3634] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3633] <... futex resumed>) = 0
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3634] <... openat resumed>) = 6
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3633] <... futex resumed>) = 0
[pid 3634] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3633] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3633] <... futex resumed>) = 0
[pid 3634] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3633] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3634] <... openat resumed>) = 7
[pid 3634] write(7, "5", 1) = 1
[pid 3634] ioctl(6, NBD_DO_IT) = 0
[pid 3634] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3633] <... futex resumed>) = 0
[pid 3634] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3633] exit_group(0) = ?
[pid 3634] <... futex resumed>) = ?
[pid 3634] +++ exited with 0 +++
[pid 3633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3633, 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 3635 attached
, child_tidptr=0x5555571d45d0) = 3635
[pid 3635] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3635] setpgid(0, 0) = 0
[pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3635] write(3, "1000", 4) = 4
[pid 3635] close(3) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3635] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3635] clone(child_stack=0x7fdef6e223f0, 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 3636 attached
, parent_tid=[3636], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3636
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3636] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3636] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3636] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3636] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 58.978733][ T48] block nbd0: Receive control failed (result -107)
[ 58.978848][ T48] block nbd0: Receive control failed (result -32)
[ 58.998936][ T3634] block nbd0: shutting down sockets
[pid 3636] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3636] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3636] <... ioctl resumed>) = 0
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3636] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE) = 0
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3636] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 6
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3636] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3635] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3635] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3636] <... openat resumed>) = 7
[pid 3636] write(7, "5", 1) = 1
[ 59.112453][ T48] block nbd0: Receive control failed (result -107)
[ 59.112527][ T48] block nbd0: Receive control failed (result -32)
[pid 3636] ioctl(6, NBD_DO_IT) = 0
[pid 3636] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3635] <... futex resumed>) = 0
[pid 3635] exit_group(0) = ?
[pid 3636] +++ exited with 0 +++
[pid 3635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, 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=0x5555571d45d0) = 3637
./strace-static-x86_64: Process 3637 attached
[pid 3637] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3637] setpgid(0, 0) = 0
[pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3637] write(3, "1000", 4) = 4
[pid 3637] close(3) = 0
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3637] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3637] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3638], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3638
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3638 attached
<unfinished ...>
[pid 3638] set_robust_list(0x7fdef6e229e0, 24) = 0
[ 59.162868][ T3636] block nbd0: shutting down sockets
[pid 3638] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3638] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3638] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3638] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3638] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3638] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3637] <... futex resumed>) = 0
[pid 3638] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3638] <... ioctl resumed>) = 0
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3638] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3637] <... futex resumed>) = 0
[pid 3638] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3638] <... ioctl resumed>) = 0
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3638] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3637] <... futex resumed>) = 0
[pid 3638] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3638] <... openat resumed>) = 6
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3638] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3637] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3637] <... futex resumed>) = 0
[pid 3638] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3637] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3638] <... openat resumed>) = 7
[pid 3638] write(7, "5", 1) = 1
[pid 3638] ioctl(6, NBD_DO_IT) = 0
[pid 3638] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3637] <... futex resumed>) = 0
[pid 3638] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3637] exit_group(0 <unfinished ...>
[pid 3638] <... futex resumed>) = ?
[pid 3637] <... exit_group resumed>) = ?
[pid 3638] +++ exited with 0 +++
[pid 3637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3639 attached
, child_tidptr=0x5555571d45d0) = 3639
[pid 3639] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3639] setpgid(0, 0) = 0
[pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3639] write(3, "1000", 4) = 4
[pid 3639] close(3) = 0
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3639] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3639] clone(child_stack=0x7fdef6e223f0, 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 3640 attached
, parent_tid=[3640], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3640
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3640] set_robust_list(0x7fdef6e229e0, 24 <unfinished ...>
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] <... set_robust_list resumed>) = 0
[pid 3640] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3639] <... futex resumed>) = 0
[pid 3640] <... futex resumed>) = 1
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3639] <... futex resumed>) = 0
[pid 3640] <... futex resumed>) = 1
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3639] <... futex resumed>) = 0
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] <... futex resumed>) = 1
[ 59.313472][ T3620] block nbd0: Receive control failed (result -107)
[ 59.313549][ T3620] block nbd0: Receive control failed (result -32)
[ 59.318993][ T3637] block nbd0: shutting down sockets
[pid 3640] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3640] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3639] <... futex resumed>) = 0
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3640] <... futex resumed>) = 0
[pid 3639] <... futex resumed>) = 1
[pid 3640] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] <... ioctl resumed>) = 0
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3639] <... futex resumed>) = 0
[pid 3640] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3640] <... ioctl resumed>) = 0
[pid 3639] <... futex resumed>) = 0
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] <... futex resumed>) = 0
[pid 3640] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3640] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3639] <... futex resumed>) = 0
[pid 3640] <... openat resumed>) = 6
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3640] <... futex resumed>) = 0
[pid 3639] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3640] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3639] <... futex resumed>) = 0
[pid 3640] <... openat resumed>) = 7
[pid 3639] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3640] write(7, "5", 1) = 1
[pid 3640] ioctl(6, NBD_DO_IT) = 0
[pid 3640] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3639] <... futex resumed>) = 0
[pid 3639] exit_group(0) = ?
[pid 3640] +++ exited with 0 +++
[pid 3639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, 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 3641 attached
, child_tidptr=0x5555571d45d0) = 3641
[pid 3641] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3641] setpgid(0, 0) = 0
[pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3641] write(3, "1000", 4) = 4
[pid 3641] close(3) = 0
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3641] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3641] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3642
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3642 attached
<unfinished ...>
[pid 3642] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3642] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3641] <... futex resumed>) = 0
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3642] <... futex resumed>) = 1
[pid 3642] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3641] <... futex resumed>) = 0
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3642] <... futex resumed>) = 1
[pid 3642] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3641] <... futex resumed>) = 0
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3642] <... futex resumed>) = 1
[pid 3642] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 59.451762][ T48] block nbd0: Receive control failed (result -107)
[ 59.451838][ T48] block nbd0: Receive control failed (result -32)
[ 59.469569][ T3640] block nbd0: shutting down sockets
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid 3642] <... ioctl resumed>) = 0
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 3642] <... futex resumed>) = 0
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3642] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3641] <... futex resumed>) = 0
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3642] <... ioctl resumed>) = 0
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3641] <... futex resumed>) = 0
[pid 3642] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3641] <... futex resumed>) = 0
[pid 3642] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3642] <... ioctl resumed>) = 0
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3641] <... futex resumed>) = 0
[pid 3642] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3641] <... futex resumed>) = 0
[pid 3642] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3642] <... openat resumed>) = 6
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3641] <... futex resumed>) = 0
[pid 3642] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3641] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3641] <... futex resumed>) = 0
[pid 3642] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3641] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3642] <... openat resumed>) = 7
[pid 3642] write(7, "5", 1) = 1
[pid 3642] ioctl(6, NBD_DO_IT) = 0
[pid 3642] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3641] <... futex resumed>) = 0
[pid 3642] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3641] exit_group(0 <unfinished ...>
[pid 3642] <... futex resumed>) = ?
[pid 3641] <... exit_group resumed>) = ?
[pid 3642] +++ exited with 0 +++
[pid 3641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, 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=0x5555571d45d0) = 3643
./strace-static-x86_64: Process 3643 attached
[pid 3643] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3643] setpgid(0, 0) = 0
[pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3643] write(3, "1000", 4) = 4
[pid 3643] close(3) = 0
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3643] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3643] clone(child_stack=0x7fdef6e223f0, 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 3644 attached
<unfinished ...>
[pid 3644] set_robust_list(0x7fdef6e229e0, 24 <unfinished ...>
[pid 3643] <... clone resumed>, parent_tid=[3644], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3644
[pid 3644] <... set_robust_list resumed>) = 0
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3644] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3643] <... futex resumed>) = 0
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3644] <... openat resumed>) = 3
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3643] <... futex resumed>) = 0
[pid 3644] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3644] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3643] <... futex resumed>) = 0
[pid 3644] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3644] <... socket resumed>) = 5
[pid 3643] <... futex resumed>) = 0
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3644] <... futex resumed>) = 0
[pid 3643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 59.581923][ T3620] block nbd0: Receive control failed (result -107)
[ 59.582036][ T3620] block nbd0: Receive control failed (result -32)
[ 59.586615][ T3621] block nbd0: shutting down sockets
[pid 3644] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3643] <... futex resumed>) = 0
[pid 3644] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3643] <... futex resumed>) = 0
[pid 3644] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3644] <... ioctl resumed>) = 0
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3644] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3643] <... futex resumed>) = 0
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3644] <... futex resumed>) = 0
[pid 3643] <... futex resumed>) = 1
[pid 3644] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3644] <... ioctl resumed>) = 0
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3643] <... futex resumed>) = 0
[pid 3644] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3643] <... futex resumed>) = 0
[pid 3644] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3644] <... openat resumed>) = 6
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3643] <... futex resumed>) = 0
[pid 3644] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3643] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3643] <... futex resumed>) = 0
[pid 3644] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3643] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3644] <... openat resumed>) = 7
[pid 3644] write(7, "5", 1) = 1
[pid 3644] ioctl(6, NBD_DO_IT) = 0
[pid 3644] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3643] <... futex resumed>) = 0
[pid 3644] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3643] exit_group(0 <unfinished ...>
[pid 3644] <... futex resumed>) = ?
[pid 3643] <... exit_group resumed>) = ?
[pid 3644] +++ exited with 0 +++
[pid 3643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, 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=0x5555571d45d0) = 3645
./strace-static-x86_64: Process 3645 attached
[pid 3645] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3645] setpgid(0, 0) = 0
[pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3645] write(3, "1000", 4) = 4
[pid 3645] close(3) = 0
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3645] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3645] clone(child_stack=0x7fdef6e223f0, 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
<unfinished ...>
[pid 3646] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3646] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3645] <... clone resumed>, parent_tid=[3646], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3646
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3646] <... futex resumed>) = 0
[pid 3645] <... futex resumed>) = 1
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[ 59.710917][ T3620] block nbd0: Receive control failed (result -107)
[ 59.710994][ T3620] block nbd0: Receive control failed (result -32)
[ 59.715907][ T3621] block nbd0: shutting down sockets
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3646] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3645] <... futex resumed>) = 0
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3646] <... futex resumed>) = 0
[pid 3645] <... futex resumed>) = 1
[pid 3646] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] <... openat resumed>) = 4
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3645] <... futex resumed>) = 0
[pid 3646] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3646] <... socket resumed>) = 5
[pid 3645] <... futex resumed>) = 0
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] <... futex resumed>) = 0
[pid 3645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3646] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] <... ioctl resumed>) = 0
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3645] <... futex resumed>) = 0
[pid 3646] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3645] <... futex resumed>) = 0
[pid 3646] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] <... ioctl resumed>) = 0
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3645] <... futex resumed>) = 0
[pid 3646] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3645] <... futex resumed>) = 0
[pid 3646] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] <... ioctl resumed>) = 0
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3645] <... futex resumed>) = 0
[pid 3646] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3645] <... futex resumed>) = 0
[pid 3646] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] <... openat resumed>) = 6
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3645] <... futex resumed>) = 0
[pid 3646] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3645] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3645] <... futex resumed>) = 0
[pid 3646] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3645] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3646] <... openat resumed>) = 7
[pid 3646] write(7, "5", 1) = 1
[pid 3646] ioctl(6, NBD_DO_IT) = 0
[pid 3646] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3645] <... futex resumed>) = 0
[pid 3646] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3645] exit_group(0 <unfinished ...>
[pid 3646] <... futex resumed>) = ?
[pid 3645] <... exit_group resumed>) = ?
[pid 3646] +++ exited with 0 +++
[pid 3645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3647
./strace-static-x86_64: Process 3647 attached
[pid 3647] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3647] setpgid(0, 0) = 0
[pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3647] write(3, "1000", 4) = 4
[pid 3647] close(3) = 0
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3647] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3647] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3648], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3648
[pid 3647] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3648 attached
<unfinished ...>
[pid 3648] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3648] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3648] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3647] <... futex resumed>) = 0
[pid 3647] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3648] <... futex resumed>) = 1
[pid 3648] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3648] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3647] <... futex resumed>) = 0
[pid 3647] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3648] <... futex resumed>) = 1
[pid 3648] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3648] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3647] <... futex resumed>) = 0
[pid 3647] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3648] <... futex resumed>) = 1
[ 59.869587][ T48] block nbd0: Receive control failed (result -107)
[ 59.869664][ T48] block nbd0: Receive control failed (result -32)
[ 59.874760][ T3621] block nbd0: shutting down sockets
[pid 3648] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 3647] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6de1000
[pid 3647] mprotect(0x7fdef6de2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3647] clone(child_stack=0x7fdef6e013f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3649], tls=0x7fdef6e01700, child_tidptr=0x7fdef6e019d0) = 3649
[pid 3647] futex(0x7fdef6ef94f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3647] futex(0x7fdef6ef94fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3649 attached
<unfinished ...>
[pid 3649] set_robust_list(0x7fdef6e019e0, 24) = 0
[pid 3649] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3648] <... ioctl resumed>) = 0
[pid 3648] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3648] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3649] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 3649] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3647] <... futex resumed>) = 0
[pid 3649] futex(0x7fdef6ef94f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3647] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3648] <... futex resumed>) = 0
[pid 3647] <... futex resumed>) = 1
[pid 3648] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3648] <... ioctl resumed>) = 0
[pid 3648] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3647] <... futex resumed>) = 0
[pid 3648] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3647] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3647] <... futex resumed>) = 0
[pid 3648] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3648] <... openat resumed>) = 6
[pid 3648] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3647] <... futex resumed>) = 0
[pid 3648] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3647] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3647] <... futex resumed>) = 0
[pid 3648] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3647] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3648] <... openat resumed>) = 7
[pid 3648] write(7, "5", 1) = 1
[pid 3648] ioctl(6, NBD_DO_IT) = 0
[pid 3648] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3647] <... futex resumed>) = 0
[pid 3648] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3647] exit_group(0 <unfinished ...>
[pid 3649] <... futex resumed>) = ?
[pid 3648] <... futex resumed>) = ?
[pid 3647] <... exit_group resumed>) = ?
[pid 3649] +++ exited with 0 +++
[pid 3648] +++ exited with 0 +++
[pid 3647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[ 60.023478][ T3649] block nbd0: Device being setup by another task
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3650 attached
<unfinished ...>
[pid 3650] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3650] setpgid(0, 0) = 0
[pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3617] <... clone resumed>, child_tidptr=0x5555571d45d0) = 3650
[pid 3650] write(3, "1000", 4) = 4
[pid 3650] close(3) = 0
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3650] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3650] clone(child_stack=0x7fdef6e223f0, 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
, parent_tid=[3651], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3651
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3651] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3651] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3650] <... futex resumed>) = 0
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3651] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
[pid 3650] <... futex resumed>) = 1
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3651] <... futex resumed>) = 0
[pid 3650] <... futex resumed>) = 1
[pid 3651] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3651] <... socket resumed>) = 5
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3650] <... futex resumed>) = 0
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3650] <... futex resumed>) = 0
[pid 3651] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[ 60.068666][ T3620] block nbd0: Receive control failed (result -107)
[ 60.073844][ T3621] block nbd0: shutting down sockets
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3651] <... ioctl resumed>) = 0
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3650] <... futex resumed>) = 0
[pid 3651] <... futex resumed>) = 1
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3651] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3650] <... futex resumed>) = 0
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3650] <... futex resumed>) = 0
[pid 3651] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3651] <... ioctl resumed>) = 0
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3650] <... futex resumed>) = 0
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3650] <... futex resumed>) = 0
[pid 3651] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3651] <... openat resumed>) = 6
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3650] <... futex resumed>) = 0
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3650] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3650] <... futex resumed>) = 0
[pid 3651] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3650] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3651] <... openat resumed>) = 7
[pid 3651] write(7, "5", 1) = 1
[pid 3651] ioctl(6, NBD_DO_IT) = 0
[pid 3651] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3650] <... futex resumed>) = 0
[pid 3651] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3650] exit_group(0 <unfinished ...>
[pid 3651] <... futex resumed>) = ?
[pid 3650] <... exit_group resumed>) = ?
[pid 3651] +++ exited with 0 +++
[pid 3650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, 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 3652 attached
, child_tidptr=0x5555571d45d0) = 3652
[pid 3652] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3652] setpgid(0, 0) = 0
[pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3652] write(3, "1000", 4) = 4
[pid 3652] close(3) = 0
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3652] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3652] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3653], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3653
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3653 attached
<unfinished ...>
[pid 3653] set_robust_list(0x7fdef6e229e0, 24) = 0
[ 60.247981][ T3620] block nbd0: Receive control failed (result -107)
[ 60.248058][ T3620] block nbd0: Receive control failed (result -32)
[ 60.251000][ T3651] block nbd0: shutting down sockets
[pid 3653] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3653] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3652] <... futex resumed>) = 0
[pid 3653] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3653] <... openat resumed>) = 4
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3653] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3653] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3653] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3653] <... ioctl resumed>) = 0
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3653] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3653] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3652] <... futex resumed>) = 0
[pid 3653] <... ioctl resumed>) = 0
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3653] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3652] <... futex resumed>) = 0
[pid 3653] <... openat resumed>) = 6
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3653] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3652] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3652] <... futex resumed>) = 0
[pid 3653] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3652] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3653] <... openat resumed>) = 7
[pid 3653] write(7, "5", 1) = 1
[pid 3653] ioctl(6, NBD_DO_IT) = 0
[pid 3653] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3652] <... futex resumed>) = 0
[pid 3653] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3652] exit_group(0 <unfinished ...>
[pid 3653] <... futex resumed>) = ?
[pid 3652] <... exit_group resumed>) = ?
[pid 3653] +++ exited with 0 +++
[pid 3652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, 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 3654 attached
, child_tidptr=0x5555571d45d0) = 3654
[pid 3654] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3654] setpgid(0, 0) = 0
[pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3654] write(3, "1000", 4) = 4
[pid 3654] close(3) = 0
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3654] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3654] clone(child_stack=0x7fdef6e223f0, 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 3655 attached
<unfinished ...>
[pid 3655] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] <... clone resumed>, parent_tid=[3655], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3655
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3655] <... futex resumed>) = 0
[pid 3654] <... futex resumed>) = 1
[pid 3655] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3655] <... openat resumed>) = 3
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] <... futex resumed>) = 0
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3655] <... futex resumed>) = 0
[pid 3655] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3655] <... futex resumed>) = 0
[pid 3654] <... futex resumed>) = 1
[pid 3655] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3655] <... futex resumed>) = 0
[pid 3654] <... futex resumed>) = 0
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 60.432214][ T48] block nbd0: Receive control failed (result -107)
[ 60.432290][ T48] block nbd0: Receive control failed (result -32)
[ 60.449229][ T3652] block nbd0: shutting down sockets
[pid 3655] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3654] <... futex resumed>) = 0
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3654] <... futex resumed>) = 0
[pid 3655] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3655] <... ioctl resumed>) = 0
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3654] <... futex resumed>) = 0
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3654] <... futex resumed>) = 0
[pid 3655] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3655] <... ioctl resumed>) = 0
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3654] <... futex resumed>) = 0
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3654] <... futex resumed>) = 0
[pid 3655] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3655] <... openat resumed>) = 6
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3654] <... futex resumed>) = 0
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3654] <... futex resumed>) = 0
[pid 3655] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3654] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3655] <... openat resumed>) = 7
[pid 3655] write(7, "5", 1) = 1
[pid 3655] ioctl(6, NBD_DO_IT) = 0
[pid 3655] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3654] <... futex resumed>) = 0
[pid 3655] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3654] exit_group(0 <unfinished ...>
[pid 3655] <... futex resumed>) = ?
[pid 3654] <... exit_group resumed>) = ?
[pid 3655] +++ exited with 0 +++
[pid 3654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3656
./strace-static-x86_64: Process 3656 attached
[pid 3656] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3656] setpgid(0, 0) = 0
[pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3656] write(3, "1000", 4) = 4
[pid 3656] close(3) = 0
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3656] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3656] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3657
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3657 attached
<unfinished ...>
[pid 3657] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3657] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[ 60.579869][ T3620] block nbd0: Receive control failed (result -107)
[ 60.579950][ T3620] block nbd0: Receive control failed (result -32)
[ 60.599341][ T3621] block nbd0: shutting down sockets
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3656] <... futex resumed>) = 0
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3657] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3656] <... futex resumed>) = 0
[pid 3657] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3657] <... socket resumed>) = 5
[pid 3656] <... futex resumed>) = 0
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3657] <... futex resumed>) = 0
[pid 3656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3657] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3656] <... futex resumed>) = 0
[pid 3657] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3657] <... ioctl resumed>) = 0
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3656] <... futex resumed>) = 0
[pid 3657] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3656] <... futex resumed>) = 0
[pid 3657] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3657] <... ioctl resumed>) = 0
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3656] <... futex resumed>) = 0
[pid 3657] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3657] <... ioctl resumed>) = 0
[pid 3656] <... futex resumed>) = 0
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3657] <... futex resumed>) = 0
[pid 3656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3657] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3657] <... openat resumed>) = 6
[pid 3656] <... futex resumed>) = 0
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3657] <... futex resumed>) = 0
[pid 3656] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3657] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3656] <... futex resumed>) = 0
[pid 3657] <... openat resumed>) = 7
[pid 3656] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3657] write(7, "5", 1) = 1
[pid 3657] ioctl(6, NBD_DO_IT) = 0
[pid 3657] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3656] <... futex resumed>) = 0
[pid 3657] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3656] exit_group(0 <unfinished ...>
[pid 3657] <... futex resumed>) = ?
[pid 3656] <... exit_group resumed>) = ?
[ 60.732211][ T48] block nbd0: Receive control failed (result -107)
[ 60.732287][ T48] block nbd0: Receive control failed (result -32)
[ 60.749658][ T3657] block nbd0: shutting down sockets
[pid 3657] +++ exited with 0 +++
[pid 3656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3656, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3658
./strace-static-x86_64: Process 3658 attached
[pid 3658] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3658] setpgid(0, 0) = 0
[pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3658] write(3, "1000", 4) = 4
[pid 3658] close(3) = 0
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3658] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3658] clone(child_stack=0x7fdef6e223f0, 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 3659 attached
<unfinished ...>
[pid 3659] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3658] <... clone resumed>, parent_tid=[3659], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3659
[pid 3658] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3659] <... futex resumed>) = 0
[pid 3658] <... futex resumed>) = 1
[pid 3659] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3659] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3658] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3659] <... futex resumed>) = 0
[pid 3658] <... futex resumed>) = 1
[pid 3659] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3659] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3658] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3659] <... futex resumed>) = 0
[pid 3658] <... futex resumed>) = 1
[pid 3659] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3659] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3658] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3659] <... futex resumed>) = 0
[pid 3658] <... futex resumed>) = 1
[pid 3659] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3659] <... ioctl resumed>) = 0
[pid 3659] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3658] <... futex resumed>) = 0
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3658] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3659] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3658] <... futex resumed>) = 0
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid 3658] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6de1000
[pid 3658] mprotect(0x7fdef6de2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3658] clone(child_stack=0x7fdef6e013f0, 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 3660 attached
<unfinished ...>
[pid 3660] set_robust_list(0x7fdef6e019e0, 24) = 0
[pid 3660] futex(0x7fdef6ef94f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3658] <... clone resumed>, parent_tid=[3660], tls=0x7fdef6e01700, child_tidptr=0x7fdef6e019d0) = 3660
[pid 3658] futex(0x7fdef6ef94f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3658] futex(0x7fdef6ef94fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3660] <... futex resumed>) = 0
[pid 3660] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3659] <... ioctl resumed>) = 0
[pid 3660] <... ioctl resumed>) = 0
[pid 3659] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3660] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3658] <... futex resumed>) = 0
[pid 3658] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3659] <... futex resumed>) = 0
[pid 3659] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 6
[pid 3658] <... futex resumed>) = 1
[pid 3659] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3658] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3659] <... futex resumed>) = 0
[pid 3658] <... futex resumed>) = 1
[pid 3659] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 7
[pid 3658] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3660] <... futex resumed>) = 1
[pid 3659] write(7, "5", 1) = 1
[pid 3660] futex(0x7fdef6ef94f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3659] ioctl(6, NBD_DO_IT) = 0
[pid 3659] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3659] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3658] <... futex resumed>) = 0
[pid 3658] exit_group(0 <unfinished ...>
[pid 3659] <... futex resumed>) = ?
[pid 3658] <... exit_group resumed>) = ?
[pid 3659] +++ exited with 0 +++
[pid 3660] <... futex resumed>) = ?
[pid 3660] +++ exited with 0 +++
[pid 3658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, 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=0x5555571d45d0) = 3661
./strace-static-x86_64: Process 3661 attached
[pid 3661] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3661] setpgid(0, 0) = 0
[pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3661] write(3, "1000", 4) = 4
[pid 3661] close(3) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3661] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3661] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3662
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3662 attached
<unfinished ...>
[pid 3662] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3662] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3661] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3662] <... futex resumed>) = 1
[pid 3662] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3661] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3662] <... futex resumed>) = 1
[pid 3662] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3661] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3662] <... futex resumed>) = 1
[ 60.920177][ T3620] block nbd0: Receive control failed (result -107)
[ 60.920253][ T3620] block nbd0: Receive control failed (result -32)
[ 60.929719][ T3660] block nbd0: shutting down sockets
[pid 3662] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3661] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3662] <... futex resumed>) = 1
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3662] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3661] <... futex resumed>) = 0
[pid 3662] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3662] <... ioctl resumed>) = 0
[pid 3661] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3662] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3662] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3661] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3662] <... openat resumed>) = 6
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3661] <... futex resumed>) = 0
[pid 3661] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3661] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3662] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 7
[pid 3662] write(7, "5", 1) = 1
[pid 3662] ioctl(6, NBD_DO_IT) = 0
[pid 3662] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3661] <... futex resumed>) = 0
[pid 3662] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3661] exit_group(0 <unfinished ...>
[pid 3662] <... futex resumed>) = ?
[pid 3661] <... exit_group resumed>) = ?
[pid 3662] +++ exited with 0 +++
[pid 3661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3663
./strace-static-x86_64: Process 3663 attached
[pid 3663] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3663] setpgid(0, 0) = 0
[pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3663] write(3, "1000", 4) = 4
[pid 3663] close(3) = 0
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3663] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3663] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3664], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3664
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3664 attached
<unfinished ...>
[pid 3664] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3664] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3663] <... futex resumed>) = 0
[pid 3664] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3664] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3663] <... futex resumed>) = 0
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3664] <... openat resumed>) = 4
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3663] <... futex resumed>) = 0
[pid 3664] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3663] <... futex resumed>) = 0
[pid 3664] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3664] <... socket resumed>) = 5
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3663] <... futex resumed>) = 0
[pid 3664] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3663] <... futex resumed>) = 0
[pid 3664] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[ 61.064570][ T48] block nbd0: Receive control failed (result -107)
[ 61.064686][ T48] block nbd0: Receive control failed (result -32)
[ 61.068825][ T3621] block nbd0: shutting down sockets
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3664] <... ioctl resumed>) = 0
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3663] <... futex resumed>) = 0
[pid 3664] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3664] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3663] <... futex resumed>) = 0
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3664] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE) = 0
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3663] <... futex resumed>) = 0
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3664] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 6
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3663] <... futex resumed>) = 0
[pid 3664] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3663] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3663] <... futex resumed>) = 0
[pid 3664] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3663] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3664] <... openat resumed>) = 7
[pid 3664] write(7, "5", 1) = 1
[pid 3664] ioctl(6, NBD_DO_IT) = 0
[pid 3664] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3664] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3663] <... futex resumed>) = 0
[pid 3663] exit_group(0 <unfinished ...>
[pid 3664] <... futex resumed>) = ?
[pid 3663] <... exit_group resumed>) = ?
[pid 3664] +++ exited with 0 +++
[pid 3663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3665
./strace-static-x86_64: Process 3665 attached
[pid 3665] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3665] setpgid(0, 0) = 0
[pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3665] write(3, "1000", 4) = 4
[pid 3665] close(3) = 0
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3665] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3665] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3666
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3666 attached
<unfinished ...>
[pid 3666] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3666] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3665] <... futex resumed>) = 0
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3666] <... futex resumed>) = 1
[pid 3666] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3665] <... futex resumed>) = 0
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3666] <... futex resumed>) = 1
[pid 3666] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3665] <... futex resumed>) = 0
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3666] <... futex resumed>) = 1
[pid 3666] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3665] <... futex resumed>) = 0
[pid 3666] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3665] <... futex resumed>) = 0
[pid 3666] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[ 61.192549][ T48] block nbd0: Receive control failed (result -107)
[ 61.192629][ T48] block nbd0: Receive control failed (result -32)
[ 61.207816][ T3663] block nbd0: shutting down sockets
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3666] <... ioctl resumed>) = 0
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3665] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 3666] <... futex resumed>) = 0
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3666] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3665] <... futex resumed>) = 0
[pid 3666] <... ioctl resumed>) = 0
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3665] <... futex resumed>) = 0
[pid 3666] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3665] <... futex resumed>) = 0
[pid 3666] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3666] <... openat resumed>) = 6
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3665] <... futex resumed>) = 0
[pid 3666] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3665] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3665] <... futex resumed>) = 0
[pid 3666] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3665] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3666] <... openat resumed>) = 7
[pid 3666] write(7, "5", 1) = 1
[pid 3666] ioctl(6, NBD_DO_IT) = 0
[pid 3666] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3665] <... futex resumed>) = 0
[pid 3666] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3665] exit_group(0 <unfinished ...>
[pid 3666] <... futex resumed>) = ?
[pid 3665] <... exit_group resumed>) = ?
[pid 3666] +++ exited with 0 +++
[pid 3665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, 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=0x5555571d45d0) = 3667
./strace-static-x86_64: Process 3667 attached
[pid 3667] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3667] setpgid(0, 0) = 0
[pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3667] write(3, "1000", 4) = 4
[pid 3667] close(3) = 0
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3667] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3667] clone(child_stack=0x7fdef6e223f0, 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 3668 attached
, parent_tid=[3668], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3668
[pid 3668] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3668] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] <... futex resumed>) = 0
[pid 3668] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3668] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] <... socket resumed>) = 5
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3668] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 61.322754][ T3620] block nbd0: Receive control failed (result -107)
[ 61.322871][ T3620] block nbd0: Receive control failed (result -32)
[ 61.339144][ T3665] block nbd0: shutting down sockets
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] <... ioctl resumed>) = 0
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3668] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] <... ioctl resumed>) = 0
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3668] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3667] <... futex resumed>) = 0
[pid 3668] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] <... ioctl resumed>) = 0
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3668] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3667] <... futex resumed>) = 0
[pid 3668] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] <... openat resumed>) = 6
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3668] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3667] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3667] <... futex resumed>) = 0
[pid 3668] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3667] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3668] <... openat resumed>) = 7
[pid 3668] write(7, "5", 1) = 1
[pid 3668] ioctl(6, NBD_DO_IT) = 0
[pid 3668] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3667] <... futex resumed>) = 0
[pid 3668] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3667] exit_group(0 <unfinished ...>
[pid 3668] <... futex resumed>) = ?
[pid 3667] <... exit_group resumed>) = ?
[pid 3668] +++ exited with 0 +++
[pid 3667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3667, 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=0x5555571d45d0) = 3669
./strace-static-x86_64: Process 3669 attached
[pid 3669] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3669] setpgid(0, 0) = 0
[pid 3669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3669] write(3, "1000", 4) = 4
[pid 3669] close(3) = 0
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3669] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3669] clone(child_stack=0x7fdef6e223f0, 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 3670 attached
, parent_tid=[3670], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3670
[pid 3670] set_robust_list(0x7fdef6e229e0, 24 <unfinished ...>
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] <... set_robust_list resumed>) = 0
[pid 3670] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3669] <... futex resumed>) = 0
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3669] <... futex resumed>) = 0
[pid 3670] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] <... openat resumed>) = 4
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3669] <... futex resumed>) = 0
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3669] <... futex resumed>) = 0
[pid 3670] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] <... socket resumed>) = 5
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3669] <... futex resumed>) = 0
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3669] <... futex resumed>) = 0
[pid 3670] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] <... ioctl resumed>) = 0
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3669] <... futex resumed>) = 0
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3669] <... futex resumed>) = 0
[pid 3670] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[ 61.450627][ T3668] debugfs: out of free dentries, can not create directory 'nbd0'
[ 61.450976][ T3620] block nbd0: Receive control failed (result -107)
[ 61.451056][ T3620] block nbd0: Receive control failed (result -32)
[ 61.456541][ T3667] block nbd0: shutting down sockets
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] <... ioctl resumed>) = 0
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3669] <... futex resumed>) = 0
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3670] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3669] <... futex resumed>) = 0
[pid 3670] <... ioctl resumed>) = 0
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3669] <... futex resumed>) = 0
[pid 3670] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 6
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3669] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3670] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3669] <... futex resumed>) = 0
[pid 3670] <... openat resumed>) = 7
[pid 3669] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3670] write(7, "5", 1) = 1
[pid 3670] ioctl(6, NBD_DO_IT) = 0
[pid 3670] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3669] <... futex resumed>) = 0
[pid 3670] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3669] exit_group(0 <unfinished ...>
[pid 3670] <... futex resumed>) = ?
[pid 3669] <... exit_group resumed>) = ?
[pid 3670] +++ exited with 0 +++
[pid 3669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3669, 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=0x5555571d45d0) = 3671
./strace-static-x86_64: Process 3671 attached
[pid 3671] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3671] setpgid(0, 0) = 0
[pid 3671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3671] write(3, "1000", 4) = 4
[pid 3671] close(3) = 0
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3671] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3671] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3672], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3672
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3672 attached
<unfinished ...>
[pid 3672] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3672] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3671] <... futex resumed>) = 0
[pid 3672] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3671] <... futex resumed>) = 0
[pid 3672] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3672] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3672] <... futex resumed>) = 0
[pid 3671] <... futex resumed>) = 1
[pid 3672] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3672] <... socket resumed>) = 5
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3671] <... futex resumed>) = 0
[pid 3672] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3672] <... ioctl resumed>) = 0
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3671] <... futex resumed>) = 0
[pid 3672] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3671] <... futex resumed>) = 0
[ 61.581234][ T3670] debugfs: out of free dentries, can not create directory 'nbd0'
[ 61.581404][ T48] block nbd0: Receive control failed (result -107)
[ 61.581922][ T48] block nbd0: Receive control failed (result -32)
[ 61.588899][ T3669] block nbd0: shutting down sockets
[pid 3672] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3672] <... ioctl resumed>) = 0
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3671] <... futex resumed>) = 0
[pid 3672] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3671] <... futex resumed>) = 0
[pid 3672] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3672] <... ioctl resumed>) = 0
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3671] <... futex resumed>) = 0
[pid 3672] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3671] <... futex resumed>) = 0
[pid 3672] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3672] <... openat resumed>) = 6
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3671] <... futex resumed>) = 0
[pid 3672] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3671] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3671] <... futex resumed>) = 0
[pid 3672] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3671] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3672] <... openat resumed>) = 7
[pid 3672] write(7, "5", 1) = 1
[pid 3672] ioctl(6, NBD_DO_IT) = 0
[pid 3672] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3671] <... futex resumed>) = 0
[pid 3672] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3671] exit_group(0 <unfinished ...>
[pid 3672] <... futex resumed>) = ?
[pid 3671] <... exit_group resumed>) = ?
[pid 3672] +++ exited with 0 +++
[pid 3671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3671, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3673 attached
, child_tidptr=0x5555571d45d0) = 3673
[pid 3673] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3673] setpgid(0, 0) = 0
[pid 3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3673] write(3, "1000", 4) = 4
[pid 3673] close(3) = 0
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3673] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3673] clone(child_stack=0x7fdef6e223f0, 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 3674 attached
<unfinished ...>
[pid 3674] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3673] <... clone resumed>, parent_tid=[3674], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3674
[pid 3674] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3673] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3673] <... futex resumed>) = 0
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3674] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3674] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3673] <... futex resumed>) = 0
[pid 3673] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3674] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3674] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3673] <... futex resumed>) = 0
[pid 3674] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3673] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3674] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3674] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3673] <... futex resumed>) = 0
[pid 3673] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 61.708783][ T3672] debugfs: out of free dentries, can not create directory 'nbd0'
[ 61.708900][ T48] block nbd0: Receive control failed (result -107)
[ 61.709082][ T48] block nbd0: Receive control failed (result -32)
[ 61.713018][ T3621] block nbd0: shutting down sockets
[pid 3674] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3674] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3673] <... futex resumed>) = 0
[pid 3674] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3673] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid 3673] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6de1000
[pid 3673] mprotect(0x7fdef6de2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3673] clone(child_stack=0x7fdef6e013f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3675], tls=0x7fdef6e01700, child_tidptr=0x7fdef6e019d0) = 3675
./strace-static-x86_64: Process 3675 attached
[pid 3673] futex(0x7fdef6ef94f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3675] set_robust_list(0x7fdef6e019e0, 24 <unfinished ...>
[pid 3673] futex(0x7fdef6ef94fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3675] <... set_robust_list resumed>) = 0
[pid 3675] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE) = 0
[pid 3674] <... ioctl resumed>) = 0
[pid 3675] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3674] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3675] <... futex resumed>) = 1
[pid 3674] <... futex resumed>) = 0
[pid 3673] <... futex resumed>) = 0
[pid 3674] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3673] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3673] <... futex resumed>) = 0
[pid 3674] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3675] futex(0x7fdef6ef94f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3674] <... openat resumed>) = 6
[pid 3674] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3673] <... futex resumed>) = 0
[pid 3674] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3673] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3673] <... futex resumed>) = 0
[pid 3674] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3673] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3674] <... openat resumed>) = 7
[pid 3674] write(7, "5", 1) = 1
[pid 3674] ioctl(6, NBD_DO_IT) = 0
[pid 3674] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3673] <... futex resumed>) = 0
[pid 3674] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3673] exit_group(0 <unfinished ...>
[pid 3675] <... futex resumed>) = ?
[pid 3674] <... futex resumed>) = ?
[pid 3673] <... exit_group resumed>) = ?
[pid 3675] +++ exited with 0 +++
[pid 3674] +++ exited with 0 +++
[pid 3673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3673, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3676
./strace-static-x86_64: Process 3676 attached
[pid 3676] set_robust_list(0x5555571d45e0, 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(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3676] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3676] clone(child_stack=0x7fdef6e223f0, 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
<unfinished ...>
[pid 3677] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3676] <... clone resumed>, parent_tid=[3677], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3677
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3677] <... futex resumed>) = 0
[pid 3676] <... futex resumed>) = 1
[pid 3677] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3677] <... openat resumed>) = 3
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3677] <... futex resumed>) = 0
[pid 3676] <... futex resumed>) = 1
[pid 3677] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 61.868270][ T3674] debugfs: out of free dentries, can not create directory 'nbd0'
[ 61.868365][ T48] block nbd0: Receive control failed (result -107)
[ 61.868476][ T48] block nbd0: Receive control failed (result -32)
[ 61.881651][ T3673] block nbd0: shutting down sockets
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3677] <... futex resumed>) = 0
[pid 3676] <... futex resumed>) = 1
[pid 3677] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3677] <... futex resumed>) = 0
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3677] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3676] <... futex resumed>) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3677] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3676] <... futex resumed>) = 0
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3677] <... ioctl resumed>) = 0
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3676] <... futex resumed>) = 0
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3677] <... futex resumed>) = 0
[pid 3676] <... futex resumed>) = 1
[pid 3677] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3677] <... ioctl resumed>) = 0
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3676] <... futex resumed>) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3676] <... futex resumed>) = 0
[pid 3677] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3677] <... openat resumed>) = 6
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3676] <... futex resumed>) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3676] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3676] <... futex resumed>) = 0
[pid 3677] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3676] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3677] <... openat resumed>) = 7
[pid 3677] write(7, "5", 1) = 1
[pid 3677] ioctl(6, NBD_DO_IT) = 0
[pid 3677] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3676] <... futex resumed>) = 0
[pid 3677] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3676] exit_group(0 <unfinished ...>
[pid 3677] <... futex resumed>) = ?
[pid 3676] <... exit_group resumed>) = ?
[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=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3678 attached
, child_tidptr=0x5555571d45d0) = 3678
[pid 3678] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3678] setpgid(0, 0) = 0
[pid 3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3678] write(3, "1000", 4) = 4
[pid 3678] close(3) = 0
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3678] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3678] clone(child_stack=0x7fdef6e223f0, 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 3679 attached
<unfinished ...>
[pid 3679] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3678] <... clone resumed>, parent_tid=[3679], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3679
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3679] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3678] <... futex resumed>) = 0
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] <... futex resumed>) = 0
[pid 3679] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3678] <... futex resumed>) = 0
[pid 3679] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3678] <... futex resumed>) = 0
[pid 3679] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] <... socket resumed>) = 5
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3678] <... futex resumed>) = 0
[pid 3679] <... futex resumed>) = 1
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3679] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3678] <... futex resumed>) = 0
[ 62.040759][ T3677] debugfs: out of free dentries, can not create directory 'nbd0'
[ 62.040841][ T48] block nbd0: Receive control failed (result -107)
[ 62.040956][ T48] block nbd0: Receive control failed (result -32)
[ 62.045322][ T3621] block nbd0: shutting down sockets
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] <... ioctl resumed>) = 0
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3678] <... futex resumed>) = 0
[pid 3679] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] <... ioctl resumed>) = 0
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3678] <... futex resumed>) = 0
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE) = 0
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3678] <... futex resumed>) = 0
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 6
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3678] <... futex resumed>) = 0
[pid 3678] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3678] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3679] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 7
[pid 3679] write(7, "5", 1) = 1
[pid 3679] ioctl(6, NBD_DO_IT) = 0
[pid 3679] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3678] <... futex resumed>) = 0
[pid 3679] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3678] exit_group(0 <unfinished ...>
[pid 3679] <... futex resumed>) = ?
[pid 3678] <... exit_group resumed>) = ?
[pid 3679] +++ exited with 0 +++
[pid 3678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3681 attached
, child_tidptr=0x5555571d45d0) = 3681
[pid 3681] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3681] setpgid(0, 0) = 0
[pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3681] write(3, "1000", 4) = 4
[pid 3681] close(3) = 0
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3681] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3681] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3682
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3682 attached
<unfinished ...>
[pid 3682] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3682] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3681] <... futex resumed>) = 0
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3682] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3681] <... futex resumed>) = 0
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3682] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3681] <... futex resumed>) = 0
[pid 3682] <... socket resumed>) = 5
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3681] <... futex resumed>) = 0
[pid 3682] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3681] <... futex resumed>) = 0
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 62.184362][ T3679] debugfs: out of free dentries, can not create directory 'nbd0'
[ 62.184492][ T48] block nbd0: Receive control failed (result -107)
[ 62.184568][ T48] block nbd0: Receive control failed (result -32)
[ 62.190310][ T3679] block nbd0: shutting down sockets
[pid 3682] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3681] <... futex resumed>) = 0
[pid 3682] <... futex resumed>) = 1
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3682] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3681] <... futex resumed>) = 0
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3682] <... ioctl resumed>) = 0
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3681] <... futex resumed>) = 0
[pid 3682] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3681] <... futex resumed>) = 0
[pid 3682] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3682] <... ioctl resumed>) = 0
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3681] <... futex resumed>) = 0
[pid 3682] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3681] <... futex resumed>) = 0
[pid 3682] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3682] <... openat resumed>) = 6
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3681] <... futex resumed>) = 0
[pid 3682] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3681] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3681] <... futex resumed>) = 0
[pid 3682] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3681] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3682] <... openat resumed>) = 7
[pid 3682] write(7, "5", 1) = 1
[pid 3682] ioctl(6, NBD_DO_IT) = 0
[pid 3682] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3681] <... futex resumed>) = 0
[pid 3682] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3681] exit_group(0 <unfinished ...>
[pid 3682] <... futex resumed>) = ?
[pid 3681] <... exit_group resumed>) = ?
[pid 3682] +++ exited with 0 +++
[pid 3681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3683
./strace-static-x86_64: Process 3683 attached
[pid 3683] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3683] setpgid(0, 0) = 0
[pid 3683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3683] write(3, "1000", 4) = 4
[pid 3683] close(3) = 0
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3683] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3683] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3684], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3684
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3684 attached
<unfinished ...>
[pid 3684] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3684] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3683] <... futex resumed>) = 0
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3684] <... futex resumed>) = 1
[pid 3684] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3683] <... futex resumed>) = 0
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3684] <... futex resumed>) = 1
[pid 3684] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3683] <... futex resumed>) = 0
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3684] <... futex resumed>) = 1
[ 62.330813][ T3682] debugfs: out of free dentries, can not create directory 'nbd0'
[ 62.330904][ T3680] block nbd0: Receive control failed (result -107)
[ 62.331016][ T3680] block nbd0: Receive control failed (result -32)
[ 62.350757][ T3681] block nbd0: shutting down sockets
[pid 3684] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3683] <... futex resumed>) = 0
[pid 3684] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3683] <... futex resumed>) = 0
[pid 3684] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3684] <... ioctl resumed>) = 0
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3683] <... futex resumed>) = 0
[pid 3684] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3683] <... futex resumed>) = 0
[pid 3684] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3684] <... ioctl resumed>) = 0
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3683] <... futex resumed>) = 0
[pid 3684] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3683] <... futex resumed>) = 0
[pid 3684] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3684] <... openat resumed>) = 6
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3683] <... futex resumed>) = 0
[pid 3684] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3683] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3683] <... futex resumed>) = 0
[pid 3684] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3683] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3684] <... openat resumed>) = 7
[pid 3684] write(7, "5", 1) = 1
[pid 3684] ioctl(6, NBD_DO_IT) = 0
[pid 3684] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3683] <... futex resumed>) = 0
[pid 3684] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3683] exit_group(0 <unfinished ...>
[pid 3684] <... futex resumed>) = ?
[pid 3683] <... exit_group resumed>) = ?
[pid 3684] +++ exited with 0 +++
[pid 3683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3683, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3685
./strace-static-x86_64: Process 3685 attached
[pid 3685] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3685] setpgid(0, 0) = 0
[pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3685] write(3, "1000", 4) = 4
[pid 3685] close(3) = 0
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3685] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3685] clone(child_stack=0x7fdef6e223f0, 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 3686 attached
, parent_tid=[3686], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3686
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3686] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3685] <... futex resumed>) = 0
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3685] <... futex resumed>) = 0
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3686] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] <... socket resumed>) = 5
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3685] <... futex resumed>) = 0
[pid 3686] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 62.481571][ T3684] debugfs: out of free dentries, can not create directory 'nbd0'
[ 62.481733][ T3680] block nbd0: Receive control failed (result -107)
[ 62.481788][ T3620] block nbd0: Receive control failed (result -107)
[ 62.488450][ T3683] block nbd0: shutting down sockets
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] <... ioctl resumed>) = 0
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3685] <... futex resumed>) = 0
[pid 3686] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3685] <... futex resumed>) = 0
[pid 3686] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] <... ioctl resumed>) = 0
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3685] <... futex resumed>) = 0
[pid 3686] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3686] <... ioctl resumed>) = 0
[pid 3685] <... futex resumed>) = 0
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] <... futex resumed>) = 0
[pid 3685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3686] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3685] <... futex resumed>) = 0
[pid 3686] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] <... openat resumed>) = 6
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3685] <... futex resumed>) = 0
[pid 3686] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3685] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3685] <... futex resumed>) = 0
[pid 3686] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3685] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3686] <... openat resumed>) = 7
[pid 3686] write(7, "5", 1) = 1
[pid 3686] ioctl(6, NBD_DO_IT) = 0
[pid 3686] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3686] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3685] <... futex resumed>) = 0
[pid 3685] exit_group(0 <unfinished ...>
[pid 3686] <... futex resumed>) = ?
[pid 3685] <... exit_group resumed>) = ?
[pid 3686] +++ exited with 0 +++
[pid 3685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3685, 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 3687 attached
, child_tidptr=0x5555571d45d0) = 3687
[pid 3687] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3687] setpgid(0, 0) = 0
[pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3687] write(3, "1000", 4) = 4
[pid 3687] close(3) = 0
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3687] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3687] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3688], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3688
./strace-static-x86_64: Process 3688 attached
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3688] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3688] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3688] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3687] <... futex resumed>) = 0
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3688] <... futex resumed>) = 0
[pid 3688] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3687] <... futex resumed>) = 0
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3688] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3687] <... futex resumed>) = 0
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 62.631863][ T3686] debugfs: out of free dentries, can not create directory 'nbd0'
[ 62.632012][ T3620] block nbd0: Receive control failed (result -107)
[ 62.632016][ T3680] block nbd0: Receive control failed (result -107)
[ 62.656556][ T3685] block nbd0: shutting down sockets
[pid 3688] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3687] <... futex resumed>) = 0
[pid 3688] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3688] <... ioctl resumed>) = 0
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3687] <... futex resumed>) = 0
[pid 3688] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3688] <... ioctl resumed>) = 0
[pid 3687] <... futex resumed>) = 0
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3688] <... futex resumed>) = 0
[pid 3688] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3688] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3687] <... futex resumed>) = 0
[pid 3688] <... openat resumed>) = 6
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3688] <... futex resumed>) = 0
[pid 3687] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3688] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3687] <... futex resumed>) = 0
[pid 3688] <... openat resumed>) = 7
[pid 3687] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3688] write(7, "5", 1) = 1
[pid 3688] ioctl(6, NBD_DO_IT) = 0
[pid 3688] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3687] <... futex resumed>) = 0
[pid 3688] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3687] exit_group(0 <unfinished ...>
[pid 3688] <... futex resumed>) = ?
[pid 3687] <... exit_group resumed>) = ?
[pid 3688] +++ exited with 0 +++
[pid 3687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3689
./strace-static-x86_64: Process 3689 attached
[pid 3689] set_robust_list(0x5555571d45e0, 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) = 3
[pid 3689] write(3, "1000", 4) = 4
[pid 3689] close(3) = 0
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3689] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3689] clone(child_stack=0x7fdef6e223f0, 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=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3690
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3690 attached
<unfinished ...>
[pid 3690] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3690] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3689] <... futex resumed>) = 0
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3690] <... futex resumed>) = 1
[pid 3690] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3689] <... futex resumed>) = 0
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3690] <... futex resumed>) = 1
[pid 3690] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3689] <... futex resumed>) = 0
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3690] <... futex resumed>) = 1
[pid 3690] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3689] <... futex resumed>) = 0
[pid 3690] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 62.771996][ T3688] debugfs: out of free dentries, can not create directory 'nbd0'
[ 62.772134][ T3620] block nbd0: Receive control failed (result -107)
[ 62.772139][ T3680] block nbd0: Receive control failed (result -107)
[ 62.797641][ T3687] block nbd0: shutting down sockets
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3690] <... ioctl resumed>) = 0
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3689] <... futex resumed>) = 0
[pid 3690] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3690] <... ioctl resumed>) = 0
[pid 3689] <... futex resumed>) = 0
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3690] <... futex resumed>) = 0
[pid 3689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3690] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3690] <... openat resumed>) = 6
[pid 3689] <... futex resumed>) = 0
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3690] <... futex resumed>) = 0
[pid 3689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3689] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3690] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3689] <... futex resumed>) = 0
[pid 3690] <... openat resumed>) = 7
[pid 3689] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3690] write(7, "5", 1) = 1
[pid 3690] ioctl(6, NBD_DO_IT) = 0
[pid 3690] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3690] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3689] <... futex resumed>) = 0
[pid 3689] exit_group(0 <unfinished ...>
[pid 3690] <... futex resumed>) = ?
[pid 3689] <... exit_group resumed>) = ?
[pid 3690] +++ 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=2} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3691
./strace-static-x86_64: Process 3691 attached
[pid 3691] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3691] setpgid(0, 0) = 0
[pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3691] write(3, "1000", 4) = 4
[pid 3691] close(3) = 0
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3691] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3691] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3692], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3692
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3692 attached
<unfinished ...>
[pid 3692] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3692] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3691] <... futex resumed>) = 0
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3692] <... futex resumed>) = 1
[pid 3692] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3691] <... futex resumed>) = 0
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3692] <... futex resumed>) = 1
[pid 3692] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3691] <... futex resumed>) = 0
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3692] <... futex resumed>) = 1
[ 62.889578][ T3690] debugfs: out of free dentries, can not create directory 'nbd0'
[ 62.889724][ T3620] block nbd0: Receive control failed (result -107)
[ 62.889728][ T3680] block nbd0: Receive control failed (result -107)
[ 62.897436][ T3690] block nbd0: shutting down sockets
[pid 3692] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3691] <... futex resumed>) = 0
[pid 3692] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3691] <... futex resumed>) = 0
[pid 3692] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3692] <... ioctl resumed>) = 0
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3691] <... futex resumed>) = 0
[pid 3692] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3691] <... futex resumed>) = 0
[pid 3692] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3692] <... ioctl resumed>) = 0
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3691] <... futex resumed>) = 0
[pid 3692] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3691] <... futex resumed>) = 0
[pid 3692] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3692] <... openat resumed>) = 6
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3691] <... futex resumed>) = 0
[pid 3692] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3691] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3691] <... futex resumed>) = 0
[pid 3692] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3691] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3692] <... openat resumed>) = 7
[pid 3692] write(7, "5", 1) = 1
[pid 3692] ioctl(6, NBD_DO_IT) = 0
[pid 3692] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3691] <... futex resumed>) = 0
[pid 3692] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3691] exit_group(0 <unfinished ...>
[pid 3692] <... futex resumed>) = ?
[pid 3691] <... exit_group resumed>) = ?
[pid 3692] +++ exited with 0 +++
[pid 3691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d45d0) = 3693
./strace-static-x86_64: Process 3693 attached
[pid 3693] set_robust_list(0x5555571d45e0, 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(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3693] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3693] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3694], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3694
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3694 attached
<unfinished ...>
[pid 3694] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3694] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3694] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3693] <... futex resumed>) = 0
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3694] <... futex resumed>) = 0
[pid 3694] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3694] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3693] <... futex resumed>) = 1
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3694] <... futex resumed>) = 0
[pid 3693] <... futex resumed>) = 1
[pid 3694] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3694] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3694] <... futex resumed>) = 0
[pid 3693] <... futex resumed>) = 1
[pid 3694] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[ 63.049006][ T3692] debugfs: out of free dentries, can not create directory 'nbd0'
[ 63.049121][ T3680] block nbd0: Receive control failed (result -107)
[ 63.049327][ T3680] block nbd0: Receive control failed (result -32)
[ 63.054254][ T3621] block nbd0: shutting down sockets
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3694] <... ioctl resumed>) = 0
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3693] <... futex resumed>) = 0
[pid 3694] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3693] <... futex resumed>) = 0
[pid 3694] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3694] <... ioctl resumed>) = 0
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3693] <... futex resumed>) = 0
[pid 3694] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3693] <... futex resumed>) = 0
[pid 3694] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE) = 0
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3694] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3693] <... futex resumed>) = 0
[pid 3694] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3694] <... openat resumed>) = 6
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3693] <... futex resumed>) = 0
[pid 3694] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3693] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3693] <... futex resumed>) = 0
[pid 3694] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3693] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3694] <... openat resumed>) = 7
[pid 3694] write(7, "5", 1) = 1
[pid 3694] ioctl(6, NBD_DO_IT) = 0
[pid 3694] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3693] <... futex resumed>) = 0
[pid 3694] <... futex resumed>) = 1
[pid 3693] exit_group(0) = ?
[pid 3694] +++ 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=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3695 attached
, child_tidptr=0x5555571d45d0) = 3695
[pid 3695] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3695] setpgid(0, 0) = 0
[pid 3695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3695] write(3, "1000", 4) = 4
[pid 3695] close(3) = 0
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3695] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3695] clone(child_stack=0x7fdef6e223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3696], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3696
[pid 3695] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3696 attached
<unfinished ...>
[pid 3696] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3696] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid 3696] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3695] <... futex resumed>) = 0
[pid 3695] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3696] <... futex resumed>) = 1
[pid 3696] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3696] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3695] <... futex resumed>) = 0
[pid 3695] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3696] <... futex resumed>) = 1
[pid 3696] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 5
[pid 3696] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3695] <... futex resumed>) = 0
[pid 3695] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3696] <... futex resumed>) = 1
[ 63.204505][ T3694] debugfs: out of free dentries, can not create directory 'nbd0'
[ 63.204633][ T3680] block nbd0: Receive control failed (result -107)
[ 63.204637][ T3620] block nbd0: Receive control failed (result -107)
[ 63.209942][ T3693] block nbd0: shutting down sockets
[pid 3696] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 3695] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6de1000
[pid 3695] mprotect(0x7fdef6de2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3695] clone(child_stack=0x7fdef6e013f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3697], tls=0x7fdef6e01700, child_tidptr=0x7fdef6e019d0) = 3697
[pid 3695] futex(0x7fdef6ef94f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3695] futex(0x7fdef6ef94fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3697 attached
<unfinished ...>
[pid 3697] set_robust_list(0x7fdef6e019e0, 24) = 0
[pid 3697] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3696] <... ioctl resumed>) = 0
[pid 3696] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3696] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3697] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 3697] futex(0x7fdef6ef94fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3695] <... futex resumed>) = 0
[pid 3697] futex(0x7fdef6ef94f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3695] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3696] <... futex resumed>) = 0
[pid 3695] <... futex resumed>) = 1
[pid 3696] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE <unfinished ...>
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3696] <... ioctl resumed>) = 0
[pid 3696] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3695] <... futex resumed>) = 0
[pid 3696] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3695] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3695] <... futex resumed>) = 0
[pid 3696] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3696] <... openat resumed>) = 6
[pid 3696] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3695] <... futex resumed>) = 0
[pid 3696] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3695] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3695] <... futex resumed>) = 0
[pid 3696] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3695] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3696] <... openat resumed>) = 7
[pid 3696] write(7, "5", 1) = 1
[pid 3696] ioctl(6, NBD_DO_IT <unfinished ...>
[pid 3695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 3696] <... ioctl resumed>) = 0
[pid 3696] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3696] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[ 63.343438][ T3697] block nbd0: Device being setup by another task
[pid 3695] exit_group(0 <unfinished ...>
[pid 3697] <... futex resumed>) = ?
[pid 3695] <... exit_group resumed>) = ?
[pid 3697] +++ exited with 0 +++
[pid 3696] <... futex resumed>) = ?
[pid 3696] +++ exited with 0 +++
[pid 3695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3695, 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 3698 attached
, child_tidptr=0x5555571d45d0) = 3698
[pid 3698] set_robust_list(0x5555571d45e0, 24) = 0
[pid 3698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3698] setpgid(0, 0) = 0
[pid 3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3698] write(3, "1000", 4) = 4
[pid 3698] close(3) = 0
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdef6e02000
[pid 3698] mprotect(0x7fdef6e03000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 3698] clone(child_stack=0x7fdef6e223f0, 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 3699 attached
, parent_tid=[3699], tls=0x7fdef6e22700, child_tidptr=0x7fdef6e229d0) = 3699
[pid 3699] set_robust_list(0x7fdef6e229e0, 24) = 0
[pid 3699] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3699] <... futex resumed>) = 0
[pid 3699] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY <unfinished ...>
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3699] <... openat resumed>) = 3
[pid 3699] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3699] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3698] <... futex resumed>) = 0
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3699] <... futex resumed>) = 0
[pid 3699] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3699] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3698] <... futex resumed>) = 0
[pid 3699] socket(AF_INET, SOCK_STREAM, IPPROTO_IP <unfinished ...>
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3699] <... socket resumed>) = 5
[pid 3699] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3698] <... futex resumed>) = 0
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[ 63.406845][ T3696] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 63.408505][ T3620] block nbd0: Receive control failed (result -107)
[ 63.429609][ T3696] block nbd0: shutting down sockets
[pid 3699] ioctl(4, NBD_SET_SOCK, 5) = 0
[pid 3699] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3698] <... futex resumed>) = 0
[pid 3699] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3699] ioctl(4, NBD_SET_SOCK, 5 <unfinished ...>
[pid 3698] <... futex resumed>) = 0
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3699] <... ioctl resumed>) = 0
[pid 3699] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 3699] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3698] <... futex resumed>) = 0
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3699] <... futex resumed>) = 0
[pid 3698] <... futex resumed>) = 1
[pid 3699] ioctl(3, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|NBD_FLAG_SEND_FLUSH|NBD_FLAG_SEND_FUA|NBD_FLAG_ROTATIONAL|NBD_FLAG_SEND_TRIM|NBD_FLAG_SEND_WRITE_ZEROES|NBD_FLAG_SEND_DF|NBD_FLAG_CAN_MULTI_CONN|NBD_FLAG_SEND_RESIZE|NBD_FLAG_SEND_CACHE) = 0
[pid 3699] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3699] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3699] <... futex resumed>) = 0
[pid 3698] <... futex resumed>) = 1
[pid 3699] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 6
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3699] futex(0x7fdef6ef94ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 3698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3699] futex(0x7fdef6ef94e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid 3698] futex(0x7fdef6ef94e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 3699] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR <unfinished ...>
[pid 3698] <... futex resumed>) = 0
[pid 3699] <... openat resumed>) = 7
[pid 3698] futex(0x7fdef6ef94ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 3699] write(7, "5", 1) = 1
[pid 3699] ioctl(6, NBD_DO_IT <unfinished ...>
[pid 3698] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 63.585728][ T3699] ------------[ cut here ]------------
[ 63.585735][ T3699] kernfs: can not remove 'nr_tags', no directory
[ 63.585854][ T3699] WARNING: CPU: 0 PID: 3699 at fs/kernfs/dir.c:1576 kernfs_remove_by_name_ns+0xed/0x110
[ 63.607719][ T3699] Modules linked in:
[ 63.612077][ T3699] CPU: 0 PID: 3699 Comm: syz-executor265 Not tainted 5.18.0-next-20220527-syzkaller #0
[ 63.621820][ T3699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.632042][ T3699] RIP: 0010:kernfs_remove_by_name_ns+0xed/0x110
[ 63.639929][ T3699] Code: c3 e8 b7 0e 78 ff 4c 89 e7 41 bc fe ff ff ff e8 69 c4 5a ff eb da e8 a2 0e 78 ff 4c 89 ee 48 c7 c7 60 54 df 89 e8 dd d9 2f 07 <0f> 0b 41 bc fe ff ff ff eb bc e8 54 d4 c4 ff e9 71 ff ff ff e8 4a
[ 63.659689][ T3699] RSP: 0018:ffffc90002fbfa38 EFLAGS: 00010286
[ 63.665877][ T3699] RAX: 0000000000000000 RBX: ffffffff8c6715e8 RCX: 0000000000000000
[ 63.673988][ T3699] RDX: ffff88802532bb00 RSI: ffffffff81610068 RDI: fffff520005f7f39
[ 63.681991][ T3699] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 63.690087][ T3699] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
[ 63.698200][ T3699] R13: ffffffff8a267d60 R14: 0000000000000000 R15: 0000000000000002
[ 63.706290][ T3699] FS: 00007fdef6e22700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 63.715372][ T3699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 63.722070][ T3699] CR2: 00007fdef6eb6450 CR3: 0000000021d88000 CR4: 00000000003506f0
[ 63.730149][ T3699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 63.738337][ T3699] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 63.746424][ T3699] Call Trace:
[ 63.749710][ T3699] <TASK>
[ 63.752652][ T3699] remove_files+0x96/0x1c0
[ 63.757266][ T3699] sysfs_remove_group+0x87/0x170
[ 63.762258][ T3699] sysfs_remove_groups+0x5c/0xa0
[ 63.767341][ T3699] __kobject_del+0x89/0x200
[ 63.771892][ T3699] kobject_del+0x3c/0x60
[ 63.776296][ T3699] blk_mq_sysfs_unregister+0x247/0x2c0
[pid 3698] exit_group(0) = ?
[ 63.781793][ T3699] ? __blk_mq_register_dev+0x5b0/0x5b0
[ 63.787714][ T3699] ? blk_mq_debugfs_register_hctxs+0x100/0x100
[ 63.794033][ T3699] blk_mq_update_nr_hw_queues+0x48c/0xe10
[ 63.799792][ T3699] ? blk_mq_init_queue+0x140/0x140
[ 63.805030][ T3699] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 63.810880][ T3699] nbd_start_device+0x153/0xc30
[ 63.815847][ T3699] ? bpf_lsm_capable+0x5/0x10
[ 63.820556][ T3699] ? security_capable+0x8f/0xc0
[ 63.825555][ T3699] nbd_ioctl+0x570/0xb90
[ 63.829845][ T3699] ? blkdev_bszset+0x1f0/0x1f0
[ 63.834724][ T3699] ? nbd_start_device+0xc30/0xc30
[ 63.839781][ T3699] ? find_held_lock+0x2d/0x110
[ 63.844649][ T3699] ? ptrace_notify+0xfa/0x140
[ 63.849357][ T3699] ? nbd_start_device+0xc30/0xc30
[ 63.854522][ T3699] blkdev_ioctl+0x36e/0x800
[ 63.859050][ T3699] ? blkdev_common_ioctl+0x1a50/0x1a50
[ 63.864630][ T3699] ? bpf_lsm_file_ioctl+0x5/0x10
[ 63.869601][ T3699] ? blkdev_common_ioctl+0x1a50/0x1a50
[ 63.875187][ T3699] __x64_sys_ioctl+0x193/0x200
[ 63.879989][ T3699] do_syscall_64+0x35/0xb0
[ 63.884518][ T3699] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 63.890448][ T3699] RIP: 0033:0x7fdef6e752a9
[ 63.895051][ T3699] 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
[ 63.914972][ T3699] RSP: 002b:00007fdef6e222e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 63.923514][ T3699] RAX: ffffffffffffffda RBX: 00007fdef6ef94e0 RCX: 00007fdef6e752a9
[ 63.931488][ T3699] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006
[ 63.939560][ T3699] RBP: 00007fdef6ec6184 R08: 0000000000000001 R09: 0000000000000035
[ 63.947639][ T3699] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdef6ef94ec
[ 63.955723][ T3699] R13: 00007fdef6e222f0 R14: 00007fdef6ef94e8 R15: 0000000000000001
[ 63.963806][ T3699] </TASK>
[ 63.966831][ T3699] Kernel panic - not syncing: panic_on_warn set ...
[ 63.973412][ T3699] CPU: 0 PID: 3699 Comm: syz-executor265 Not tainted 5.18.0-next-20220527-syzkaller #0
[ 63.983053][ T3699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.993111][ T3699] Call Trace:
[ 63.996395][ T3699] <TASK>
[ 63.999315][ T3699] dump_stack_lvl+0xcd/0x134
[ 64.003904][ T3699] panic+0x2d7/0x636
[ 64.007794][ T3699] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 64.013777][ T3699] ? __warn.cold+0x1d9/0x2cd
[ 64.018361][ T3699] ? kernfs_remove_by_name_ns+0xed/0x110
[ 64.023996][ T3699] __warn.cold+0x1ea/0x2cd
[ 64.028427][ T3699] ? kernfs_remove_by_name_ns+0xed/0x110
[ 64.034071][ T3699] report_bug+0x1bc/0x210
[ 64.038416][ T3699] handle_bug+0x3c/0x60
[ 64.042585][ T3699] exc_invalid_op+0x14/0x40
[ 64.047104][ T3699] asm_exc_invalid_op+0x1b/0x20
[ 64.051971][ T3699] RIP: 0010:kernfs_remove_by_name_ns+0xed/0x110
[ 64.058224][ T3699] Code: c3 e8 b7 0e 78 ff 4c 89 e7 41 bc fe ff ff ff e8 69 c4 5a ff eb da e8 a2 0e 78 ff 4c 89 ee 48 c7 c7 60 54 df 89 e8 dd d9 2f 07 <0f> 0b 41 bc fe ff ff ff eb bc e8 54 d4 c4 ff e9 71 ff ff ff e8 4a
[ 64.077839][ T3699] RSP: 0018:ffffc90002fbfa38 EFLAGS: 00010286
[ 64.083911][ T3699] RAX: 0000000000000000 RBX: ffffffff8c6715e8 RCX: 0000000000000000
[ 64.091890][ T3699] RDX: ffff88802532bb00 RSI: ffffffff81610068 RDI: fffff520005f7f39
[ 64.099860][ T3699] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[ 64.107832][ T3699] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
[ 64.115803][ T3699] R13: ffffffff8a267d60 R14: 0000000000000000 R15: 0000000000000002
[ 64.123792][ T3699] ? vprintk+0x88/0x90
[ 64.127874][ T3699] ? kernfs_remove_by_name_ns+0xed/0x110
[ 64.133522][ T3699] remove_files+0x96/0x1c0
[ 64.137958][ T3699] sysfs_remove_group+0x87/0x170
[ 64.142912][ T3699] sysfs_remove_groups+0x5c/0xa0
[ 64.147871][ T3699] __kobject_del+0x89/0x200
[ 64.152383][ T3699] kobject_del+0x3c/0x60
[ 64.156633][ T3699] blk_mq_sysfs_unregister+0x247/0x2c0
[ 64.162115][ T3699] ? __blk_mq_register_dev+0x5b0/0x5b0
[ 64.167579][ T3699] ? blk_mq_debugfs_register_hctxs+0x100/0x100
[ 64.173766][ T3699] blk_mq_update_nr_hw_queues+0x48c/0xe10
[ 64.179500][ T3699] ? blk_mq_init_queue+0x140/0x140
[ 64.184618][ T3699] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 64.190446][ T3699] nbd_start_device+0x153/0xc30
[ 64.195307][ T3699] ? bpf_lsm_capable+0x5/0x10
[ 64.199991][ T3699] ? security_capable+0x8f/0xc0
[ 64.204861][ T3699] nbd_ioctl+0x570/0xb90
[ 64.209118][ T3699] ? blkdev_bszset+0x1f0/0x1f0
[ 64.213889][ T3699] ? nbd_start_device+0xc30/0xc30
[ 64.218926][ T3699] ? find_held_lock+0x2d/0x110
[ 64.223717][ T3699] ? ptrace_notify+0xfa/0x140
[ 64.228402][ T3699] ? nbd_start_device+0xc30/0xc30
[ 64.233449][ T3699] blkdev_ioctl+0x36e/0x800
[ 64.237964][ T3699] ? blkdev_common_ioctl+0x1a50/0x1a50
[ 64.243451][ T3699] ? bpf_lsm_file_ioctl+0x5/0x10
[ 64.248416][ T3699] ? blkdev_common_ioctl+0x1a50/0x1a50
[ 64.253897][ T3699] __x64_sys_ioctl+0x193/0x200
[ 64.258689][ T3699] do_syscall_64+0x35/0xb0
[ 64.263124][ T3699] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 64.269035][ T3699] RIP: 0033:0x7fdef6e752a9
[ 64.273457][ T3699] 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
[ 64.293335][ T3699] RSP: 002b:00007fdef6e222e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 64.301759][ T3699] RAX: ffffffffffffffda RBX: 00007fdef6ef94e0 RCX: 00007fdef6e752a9
[ 64.309732][ T3699] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006
[ 64.317711][ T3699] RBP: 00007fdef6ec6184 R08: 0000000000000001 R09: 0000000000000035
[ 64.325717][ T3699] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdef6ef94ec
[ 64.333696][ T3699] R13: 00007fdef6e222f0 R14: 00007fdef6ef94e8 R15: 0000000000000001
[ 64.341688][ T3699] </TASK>
[ 64.345022][ T3699] Kernel Offset: disabled
[ 64.349390][ T3699] Rebooting in 86400 seconds..