./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3098643895 <...> DUID 00:04:ac:03:58:10:d0:76:5c:28:30:a7:8a:8b:4a:a3:06:e2 forked to background, child pid 3186 [ 22.477674][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.486502][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.130' (ECDSA) to the list of known hosts. execve("./syz-executor3098643895", ["./syz-executor3098643895"], 0x7ffc3858a0b0 /* 10 vars */) = 0 brk(NULL) = 0x555555bc4000 brk(0x555555bc4c40) = 0x555555bc4c40 arch_prctl(ARCH_SET_FS, 0x555555bc4300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555bc45d0) = 3615 set_robust_list(0x555555bc45e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f2203f80c20, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f2203f812f0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f2203f80cc0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2203f812f0}, 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-executor3098643895", 4096) = 28 brk(0x555555be5c40) = 0x555555be5c40 brk(0x555555be6000) = 0x555555be6000 mprotect(0x7f2204042000, 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 getpid() = 3615 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3615", 4) = 4 close(3) = 0 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 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=680, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3615}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x25\x00\x00\x00\x48\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 680 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3615}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3615}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3615}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3615}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3615}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3615}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached [pid 3618] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3618] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3618] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3619], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3619 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3619 attached [pid 3619] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3619] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3619] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = 0 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... futex resumed>) = 1 [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) = 0 [pid 3619] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = 0 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... futex resumed>) = 1 [pid 3619] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3619] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = 0 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... futex resumed>) = 1 [pid 3619] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3619] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = 0 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... futex resumed>) = 1 [pid 3619] ioctl(4, NBD_SET_SOCK, 5 [pid 3615] <... clone resumed>, child_tidptr=0x555555bc45d0) = 3618 [pid 3619] <... ioctl resumed>) = 0 [pid 3619] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = 0 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... futex resumed>) = 1 [pid 3619] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3619] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] <... futex resumed>) = 0 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... futex resumed>) = 1 [pid 3619] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3619] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3618] <... futex resumed>) = 0 [pid 3618] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3619] write(8, "29", 2) = 2 [pid 3619] ioctl(7, NBD_DO_IT [pid 3618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3618] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) syzkaller login: [ 39.242359][ T3619] kobject: can not set name properly! [pid 3618] exit_group(0) = ? [pid 3619] <... ioctl resumed>) = ? [pid 3619] +++ exited with 0 +++ [pid 3618] +++ exited with 0 +++ --- 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, child_tidptr=0x555555bc45d0) = 3622 ./strace-static-x86_64: Process 3622 attached [pid 3622] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3622] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3622] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3623], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3623 [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3623 attached [pid 3623] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3623] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3623] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 1 [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) = 0 [pid 3623] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 1 [pid 3623] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3623] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 1 [pid 3623] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3623] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 1 [ 39.374169][ T3619] block nbd0: shutting down sockets [pid 3623] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3623] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3623] <... openat resumed>) = 7 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 1 [pid 3623] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3623] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [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 [pid 3622] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... openat resumed>) = 8 [pid 3623] write(8, "29", 2) = 2 [pid 3623] ioctl(7, NBD_DO_IT [pid 3622] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3622] exit_group(0) = ? [pid 3623] <... ioctl resumed>) = ? [pid 3623] +++ exited with 0 +++ [pid 3622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3624 ./strace-static-x86_64: Process 3624 attached [pid 3624] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3624] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3624] clone(child_stack=0x7f2203f703f0, 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 3625 attached [pid 3625] set_robust_list(0x7f2203f709e0, 24 [pid 3624] <... clone resumed>, parent_tid=[3625], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3625 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... set_robust_list resumed>) = 0 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3625] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] 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 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... ioctl resumed>) = 0 [pid 3625] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 3624] <... futex resumed>) = 0 [ 39.675693][ T3623] block nbd0: shutting down sockets [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... openat resumed>) = 4 [pid 3625] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3625] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3625] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3625] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3625] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3625] write(8, "29", 2) = 2 [pid 3625] ioctl(7, NBD_DO_IT [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3624] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3624] exit_group(0 [pid 3625] <... ioctl resumed>) = ? [pid 3624] <... exit_group resumed>) = ? [pid 3625] +++ exited with 0 +++ [pid 3624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, 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=0x555555bc45d0) = 3626 ./strace-static-x86_64: Process 3626 attached [pid 3626] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3626] setpgid(0, 0) = 0 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3626] write(3, "1000", 4) = 4 [pid 3626] close(3) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3626] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3626] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3627], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3627 [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3627 attached [pid 3627] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3627] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3627] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 1 [pid 3627] 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) = 0 [pid 3627] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 1 [pid 3627] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3627] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 1 [pid 3627] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3627] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 1 [ 39.957208][ T3625] block nbd0: shutting down sockets [pid 3627] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3627] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 1 [pid 3627] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3627] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 1 [pid 3627] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3627] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3626] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... openat resumed>) = 8 [pid 3627] write(8, "29", 2) = 2 [pid 3627] ioctl(7, NBD_DO_IT [pid 3626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3626] exit_group(0 [pid 3627] <... ioctl resumed>) = ? [pid 3626] <... exit_group resumed>) = ? [pid 3627] +++ exited with 0 +++ [pid 3626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3628 ./strace-static-x86_64: Process 3628 attached [pid 3628] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3628] close(3) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3628] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3628] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3629], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3629 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3629 attached [pid 3629] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3629] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3629] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] 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) = 0 [pid 3629] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3629] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3629] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [ 40.200808][ T3627] block nbd0: shutting down sockets [pid 3629] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3629] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3629] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3629] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 1 [pid 3629] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3629] write(8, "29", 2) = 2 [pid 3629] ioctl(7, NBD_DO_IT [pid 3628] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3628] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3628] exit_group(0 [pid 3629] <... ioctl resumed>) = ? [pid 3628] <... exit_group resumed>) = ? [pid 3629] +++ exited with 0 +++ [pid 3628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, 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=0x555555bc45d0) = 3630 ./strace-static-x86_64: Process 3630 attached [pid 3630] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0) = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1000", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3630] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3630] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3631], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3631 [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3631 attached [pid 3631] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3631] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3631] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... futex resumed>) = 1 [pid 3631] 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) = 0 [pid 3631] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... futex resumed>) = 1 [pid 3631] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3631] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... futex resumed>) = 1 [pid 3631] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3631] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... futex resumed>) = 1 [ 40.450899][ T3629] block nbd0: shutting down sockets [pid 3631] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3631] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... futex resumed>) = 1 [pid 3631] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3631] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... futex resumed>) = 0 [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... futex resumed>) = 1 [pid 3631] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3631] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3630] <... futex resumed>) = 0 [pid 3631] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3630] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... openat resumed>) = 8 [pid 3630] <... futex resumed>) = 0 [pid 3631] write(8, "29", 2 [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3631] <... write resumed>) = 2 [pid 3631] ioctl(7, NBD_DO_IT [pid 3630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3630] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3630] exit_group(0 [pid 3631] <... ioctl resumed>) = ? [pid 3630] <... exit_group resumed>) = ? [pid 3631] +++ exited with 0 +++ [pid 3630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3632 ./strace-static-x86_64: Process 3632 attached [pid 3632] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setpgid(0, 0) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1000", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3632] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3632] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3633], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3633 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3633 attached [pid 3633] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3633] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3633] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] 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) = 0 [pid 3633] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3633] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3633] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [ 40.721482][ T3631] block nbd0: shutting down sockets [pid 3633] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3633] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3633] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3633] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = 0 [pid 3632] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... futex resumed>) = 1 [pid 3633] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3633] write(8, "29", 2) = 2 [pid 3633] ioctl(7, NBD_DO_IT [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] exit_group(0 [pid 3633] <... ioctl resumed>) = ? [pid 3632] <... exit_group resumed>) = ? [pid 3633] +++ exited with 0 +++ [pid 3632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, 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=0x555555bc45d0) = 3634 ./strace-static-x86_64: Process 3634 attached [pid 3634] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3634] setpgid(0, 0) = 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3634] write(3, "1000", 4) = 4 [pid 3634] close(3) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3634] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3634] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3635], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3635 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3635 attached [pid 3635] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3635] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3635] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 1 [pid 3635] 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) = 0 [pid 3635] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 1 [pid 3635] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3635] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 1 [pid 3635] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3635] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 1 [ 40.980827][ T3633] block nbd0: shutting down sockets [pid 3635] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3635] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 1 [pid 3635] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3635] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 1 [pid 3635] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3635] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3634] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3635] <... futex resumed>) = 1 [pid 3635] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3635] write(8, "29", 2) = 2 [pid 3635] ioctl(7, NBD_DO_IT [pid 3634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3634] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3634] exit_group(0 [pid 3635] <... ioctl resumed>) = ? [pid 3634] <... exit_group resumed>) = ? [pid 3635] +++ exited with 0 +++ [pid 3634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3636 ./strace-static-x86_64: Process 3636 attached [pid 3636] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0) = 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3636] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3636] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3637], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3637 [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3637 attached [pid 3637] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3637] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3637] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... futex resumed>) = 1 [pid 3637] 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) = 0 [pid 3637] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... futex resumed>) = 1 [pid 3637] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3637] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... futex resumed>) = 1 [pid 3637] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3637] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... futex resumed>) = 1 [ 41.250583][ T3635] block nbd0: shutting down sockets [pid 3637] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3637] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... futex resumed>) = 1 [pid 3637] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3637] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... futex resumed>) = 1 [pid 3637] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3637] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3636] <... futex resumed>) = 0 [pid 3637] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3636] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... openat resumed>) = 8 [pid 3636] <... futex resumed>) = 0 [pid 3637] write(8, "29", 2 [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3637] <... write resumed>) = 2 [pid 3637] ioctl(7, NBD_DO_IT [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3636] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3636] exit_group(0 [pid 3637] <... ioctl resumed>) = ? [pid 3636] <... exit_group resumed>) = ? [pid 3637] +++ exited with 0 +++ [pid 3636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, 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=0x555555bc45d0) = 3638 ./strace-static-x86_64: Process 3638 attached [pid 3638] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3638] setpgid(0, 0) = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3638] write(3, "1000", 4) = 4 [pid 3638] close(3) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3638] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3638] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3639], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3639 [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3639 attached [pid 3639] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3639] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3639] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = 0 [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 1 [pid 3639] 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) = 0 [pid 3639] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = 0 [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 1 [pid 3639] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3639] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = 0 [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 1 [pid 3639] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3639] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = 0 [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 1 [ 41.532164][ T3637] block nbd0: shutting down sockets [pid 3639] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3639] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = 0 [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 1 [pid 3639] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3639] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] <... futex resumed>) = 0 [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 1 [pid 3639] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3639] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3638] <... futex resumed>) = 0 [pid 3639] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3638] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... openat resumed>) = 8 [pid 3638] <... futex resumed>) = 0 [pid 3639] write(8, "29", 2 [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... write resumed>) = 2 [pid 3639] ioctl(7, NBD_DO_IT [pid 3638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3638] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3638] exit_group(0 [pid 3639] <... ioctl resumed>) = ? [pid 3638] <... exit_group resumed>) = ? [pid 3639] +++ exited with 0 +++ [pid 3638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3640 ./strace-static-x86_64: Process 3640 attached [pid 3640] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3640] setpgid(0, 0) = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3640] write(3, "1000", 4) = 4 [pid 3640] close(3) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3640] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3640] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3641], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3641 [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3641 attached [pid 3641] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3641] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3641] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... futex resumed>) = 0 [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [pid 3641] 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) = 0 [pid 3641] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... futex resumed>) = 0 [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [pid 3641] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3641] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... futex resumed>) = 0 [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [pid 3641] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3641] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... futex resumed>) = 0 [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [ 41.801601][ T3639] block nbd0: shutting down sockets [pid 3641] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3641] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... futex resumed>) = 0 [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [pid 3641] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3641] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3640] <... futex resumed>) = 0 [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... futex resumed>) = 1 [pid 3641] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3641] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3640] <... futex resumed>) = 0 [pid 3641] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3640] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] <... openat resumed>) = 8 [pid 3640] <... futex resumed>) = 0 [pid 3641] write(8, "29", 2 [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] <... write resumed>) = 2 [pid 3641] ioctl(7, NBD_DO_IT [pid 3640] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3640] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3640] exit_group(0 [pid 3641] <... ioctl resumed>) = ? [pid 3640] <... exit_group resumed>) = ? [pid 3641] +++ exited with 0 +++ [pid 3640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3642 ./strace-static-x86_64: Process 3642 attached [pid 3642] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3642] setpgid(0, 0) = 0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1000", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3642] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3642] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3643], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3643 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3643 attached [pid 3643] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3643] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3643] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 1 [pid 3643] 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) = 0 [pid 3643] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 1 [pid 3643] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3643] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 1 [pid 3643] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3643] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 1 [ 42.071617][ T3641] block nbd0: shutting down sockets [pid 3643] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3643] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 1 [pid 3643] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3643] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 1 [pid 3643] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3643] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3642] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... futex resumed>) = 1 [pid 3643] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3643] write(8, "29", 2) = 2 [pid 3643] ioctl(7, NBD_DO_IT [pid 3642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3642] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3642] exit_group(0 [pid 3643] <... ioctl resumed>) = ? [pid 3642] <... exit_group resumed>) = ? [pid 3643] +++ exited with 0 +++ [pid 3642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, 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=0x555555bc45d0) = 3644 ./strace-static-x86_64: Process 3644 attached [pid 3644] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3644] setpgid(0, 0) = 0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3644] write(3, "1000", 4) = 4 [pid 3644] close(3) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3644] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3644] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3645], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3645 [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3645 attached [pid 3645] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3645] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3645] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... futex resumed>) = 1 [pid 3645] 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) = 0 [pid 3645] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... futex resumed>) = 1 [pid 3645] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3645] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... futex resumed>) = 1 [pid 3645] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3645] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... futex resumed>) = 1 [ 42.320755][ T3643] block nbd0: shutting down sockets [pid 3645] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3645] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... futex resumed>) = 1 [pid 3645] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3645] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... futex resumed>) = 0 [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... futex resumed>) = 1 [pid 3645] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3645] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3644] <... futex resumed>) = 0 [pid 3645] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3644] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] <... openat resumed>) = 8 [pid 3644] <... futex resumed>) = 0 [pid 3645] write(8, "29", 2 [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... write resumed>) = 2 [pid 3645] ioctl(7, NBD_DO_IT [pid 3644] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3644] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3644] exit_group(0 [pid 3645] <... ioctl resumed>) = ? [pid 3644] <... exit_group resumed>) = ? [pid 3645] +++ exited with 0 +++ [pid 3644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3646 ./strace-static-x86_64: Process 3646 attached [pid 3646] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3646] setpgid(0, 0) = 0 [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3646] write(3, "1000", 4) = 4 [pid 3646] close(3) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3646] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3646] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3647], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3647 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3647 attached [pid 3647] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3647] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3647] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 1 [pid 3647] 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) = 0 [pid 3647] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 1 [pid 3647] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3647] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 1 [pid 3647] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3647] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 1 [ 42.591554][ T3645] block nbd0: shutting down sockets [pid 3647] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3647] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 1 [pid 3647] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3647] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 1 [pid 3647] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3647] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] <... futex resumed>) = 0 [pid 3646] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 1 [pid 3647] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3647] write(8, "29", 2) = 2 [pid 3647] ioctl(7, NBD_DO_IT [pid 3646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3646] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3646] exit_group(0 [pid 3647] <... ioctl resumed>) = ? [pid 3646] <... exit_group resumed>) = ? [pid 3647] +++ exited with 0 +++ [pid 3646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, 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=0x555555bc45d0) = 3648 ./strace-static-x86_64: Process 3648 attached [pid 3648] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3648] setpgid(0, 0) = 0 [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3648] write(3, "1000", 4) = 4 [pid 3648] close(3) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3648] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3648] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3649 [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3649 attached [pid 3649] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3649] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3649] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... futex resumed>) = 1 [pid 3649] 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) = 0 [pid 3649] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... futex resumed>) = 1 [pid 3649] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3649] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... futex resumed>) = 1 [pid 3649] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3649] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... futex resumed>) = 1 [ 42.840825][ T3647] block nbd0: shutting down sockets [pid 3649] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3649] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... futex resumed>) = 1 [pid 3649] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3649] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... futex resumed>) = 1 [pid 3649] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3649] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3648] <... futex resumed>) = 0 [pid 3649] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3648] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] <... openat resumed>) = 8 [pid 3648] <... futex resumed>) = 0 [pid 3649] write(8, "29", 2 [pid 3648] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... write resumed>) = 2 [pid 3649] ioctl(7, NBD_DO_IT [pid 3648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3648] exit_group(0 [pid 3649] <... ioctl resumed>) = ? [pid 3648] <... exit_group resumed>) = ? [pid 3649] +++ exited with 0 +++ [pid 3648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3650 ./strace-static-x86_64: Process 3650 attached [pid 3650] set_robust_list(0x555555bc45e0, 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 3650] write(3, "1000", 4) = 4 [pid 3650] close(3) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3650] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3650] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3651], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3651 [pid 3650] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3651 attached [pid 3651] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3651] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3651] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... futex resumed>) = 1 [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) = 0 [pid 3651] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... futex resumed>) = 1 [pid 3651] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3651] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... futex resumed>) = 1 [pid 3651] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3651] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... futex resumed>) = 1 [ 43.110636][ T3649] block nbd0: shutting down sockets [pid 3651] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3651] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... futex resumed>) = 1 [pid 3651] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3651] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... futex resumed>) = 1 [pid 3651] ioctl(4, NBD_SET_SOCK, 5 [pid 3650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3650] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3650] futex(0x7f22040484dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f2f000 [pid 3650] mprotect(0x7f2203f30000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3650] clone(child_stack=0x7f2203f4f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3652], tls=0x7f2203f4f700, child_tidptr=0x7f2203f4f9d0) = 3652 [pid 3650] futex(0x7f22040484d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3650] futex(0x7f22040484dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3652 attached [pid 3652] set_robust_list(0x7f2203f4f9e0, 24) = 0 [pid 3652] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3652] write(8, "29", 2) = 2 [pid 3652] ioctl(7, NBD_DO_IT [pid 3651] <... ioctl resumed>) = 0 [pid 3651] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3651] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3650] futex(0x7f22040484dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3650] futex(0x7f22040484dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3650] exit_group(0 [pid 3652] <... ioctl resumed>) = ? [pid 3651] <... futex resumed>) = ? [pid 3650] <... exit_group resumed>) = ? [pid 3651] +++ exited with 0 +++ [ 43.383878][ T3652] block nbd0: shutting down sockets [ 43.389464][ T3652] FAULT_INJECTION: forcing a failure. [ 43.389464][ T3652] name fail_futex, interval 1, probability 0, space 0, times 1 [ 43.402746][ T3652] CPU: 1 PID: 3652 Comm: syz-executor309 Not tainted 6.0.0-rc2-next-20220826-syzkaller #0 [ 43.412661][ T3652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.422723][ T3652] Call Trace: [ 43.426006][ T3652] [ 43.428942][ T3652] dump_stack_lvl+0xcd/0x134 [ 43.433562][ T3652] should_fail.cold+0x5/0xa [ 43.438092][ T3652] ? lock_release+0x560/0x780 [ 43.442790][ T3652] get_futex_key+0x5a8/0x1c30 [ 43.447491][ T3652] ? futex_setup_timer+0xf0/0xf0 [ 43.452446][ T3652] ? lock_release+0x780/0x780 [ 43.457140][ T3652] ? kvm_sched_clock_read+0x14/0x40 [ 43.462356][ T3652] ? task_cputime+0x26b/0x4d0 [ 43.467065][ T3652] futex_wake+0xe4/0x490 [ 43.471330][ T3652] ? lock_release+0x560/0x780 [ 43.476026][ T3652] ? futex_wake_mark+0x1a0/0x1a0 [ 43.480982][ T3652] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.486455][ T3652] ? __might_fault+0xd1/0x170 [ 43.491143][ T3652] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.496617][ T3652] ? lock_acquire+0x480/0x570 [ 43.501304][ T3652] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.506780][ T3652] do_futex+0x266/0x300 [ 43.510958][ T3652] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 43.516875][ T3652] mm_release+0x23b/0x2c0 [ 43.521226][ T3652] do_exit+0xa04/0x2b60 [ 43.525397][ T3652] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.530866][ T3652] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.536337][ T3652] ? lock_release+0x560/0x780 [ 43.541030][ T3652] ? lock_downgrade+0x6e0/0x6e0 [ 43.545894][ T3652] ? get_signal+0x93b/0x2610 [ 43.550501][ T3652] ? mm_update_next_owner+0x7b0/0x7b0 [ 43.555893][ T3652] ? do_raw_spin_lock+0x120/0x2a0 [ 43.560935][ T3652] ? rwlock_bug.part.0+0x90/0x90 [ 43.565892][ T3652] do_group_exit+0xd0/0x2a0 [ 43.570409][ T3652] get_signal+0x238c/0x2610 [ 43.574931][ T3652] ? map_id_up+0x178/0x2f0 [ 43.579372][ T3652] ? exit_signals+0x8b0/0x8b0 [ 43.584064][ T3652] ? lock_release+0x560/0x780 [ 43.588759][ T3652] ? __task_pid_nr_ns+0x168/0x4b0 [ 43.593807][ T3652] ? lock_downgrade+0x6e0/0x6e0 [ 43.598674][ T3652] arch_do_signal_or_restart+0x82/0x2300 [ 43.604360][ T3652] ? from_kuid+0xc0/0xc0 [ 43.608629][ T3652] ? __task_pid_nr_ns+0x18a/0x4b0 [ 43.613683][ T3652] ? get_sigframe_size+0x10/0x10 [ 43.618651][ T3652] ? ptrace_notify+0xfa/0x140 [ 43.623345][ T3652] ? lock_downgrade+0x6e0/0x6e0 [ 43.628210][ T3652] ? send_sig+0xfe/0x160 [ 43.632476][ T3652] ? send_sig_info+0x140/0x140 [ 43.637260][ T3652] ? trace_hardirqs_on+0x2d/0x120 [ 43.642302][ T3652] exit_to_user_mode_prepare+0x15f/0x250 [ 43.647954][ T3652] syscall_exit_to_user_mode+0x19/0x50 [ 43.653446][ T3652] do_syscall_64+0x42/0xb0 [ 43.657882][ T3652] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.663879][ T3652] RIP: 0033:0x7f2203fcb5a9 [ 43.668305][ T3652] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.687925][ T3652] RSP: 002b:00007f2203f4f2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.696353][ T3652] RAX: fffffffffffffe00 RBX: 00007f22040484d0 RCX: 00007f2203fcb5a9 [ 43.704336][ T3652] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 43.712321][ T3652] RBP: 00007f22040153b4 R08: 0000000000000002 R09: 0000000000003932 [ 43.720301][ T3652] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f22040484dc [pid 3652] +++ 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=37} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3653 ./strace-static-x86_64: Process 3653 attached [pid 3653] set_robust_list(0x555555bc45e0, 24) = 0 [ 43.728280][ T3652] R13: 00007f2203f4f2f0 R14: 00007f22040484d8 R15: 0000000000000002 [ 43.736266][ T3652] [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3653] setpgid(0, 0) = 0 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3653] write(3, "1000", 4) = 4 [pid 3653] close(3) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3653] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3653] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3654], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3654 [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3654 attached [pid 3654] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3654] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3654] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] <... futex resumed>) = 1 [pid 3654] 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) = 0 [pid 3654] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] <... futex resumed>) = 1 [pid 3654] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3654] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] <... futex resumed>) = 1 [pid 3654] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3654] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] <... futex resumed>) = 1 [pid 3654] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3654] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3653] <... futex resumed>) = 0 [pid 3654] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] <... openat resumed>) = 7 [pid 3653] <... futex resumed>) = 0 [pid 3654] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] <... futex resumed>) = 0 [pid 3653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3654] ioctl(4, NBD_SET_SOCK, 5 [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] <... ioctl resumed>) = 0 [pid 3654] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3653] <... futex resumed>) = 0 [pid 3653] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3654] write(8, "29", 2) = 2 [pid 3654] ioctl(7, NBD_DO_IT [pid 3653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3653] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3653] exit_group(0 [pid 3654] <... ioctl resumed>) = ? [pid 3653] <... exit_group resumed>) = ? [pid 3654] +++ exited with 0 +++ [pid 3653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3655 ./strace-static-x86_64: Process 3655 attached [pid 3655] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3655] write(3, "1000", 4) = 4 [pid 3655] close(3) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3655] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3655] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3656], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3656 [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3656 attached [pid 3656] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3656] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3656] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = 0 [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] <... futex resumed>) = 1 [pid 3656] 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) = 0 [pid 3656] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = 0 [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] <... futex resumed>) = 1 [pid 3656] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3656] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = 0 [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] <... futex resumed>) = 1 [pid 3656] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3656] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = 0 [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] <... futex resumed>) = 1 [ 43.972643][ T3654] block nbd0: shutting down sockets [pid 3656] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3656] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = 0 [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] <... futex resumed>) = 1 [pid 3656] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3656] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = 0 [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] <... futex resumed>) = 1 [pid 3656] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3656] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3655] <... futex resumed>) = 0 [pid 3656] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3655] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... openat resumed>) = 8 [pid 3655] <... futex resumed>) = 0 [pid 3656] write(8, "29", 2 [pid 3655] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] <... write resumed>) = 2 [pid 3656] ioctl(7, NBD_DO_IT [pid 3655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3655] exit_group(0 [pid 3656] <... ioctl resumed>) = ? [pid 3655] <... exit_group resumed>) = ? [pid 3656] +++ exited with 0 +++ [pid 3655] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, 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=0x555555bc45d0) = 3657 ./strace-static-x86_64: Process 3657 attached [pid 3657] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3657] setpgid(0, 0) = 0 [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3657] write(3, "1000", 4) = 4 [pid 3657] close(3) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3657] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3657] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3658], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3658 [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3658 attached [pid 3658] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3658] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3658] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... futex resumed>) = 1 [pid 3658] 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) = 0 [pid 3658] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... futex resumed>) = 1 [pid 3658] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3658] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... futex resumed>) = 1 [pid 3658] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3658] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... futex resumed>) = 1 [ 44.251166][ T3656] block nbd0: shutting down sockets [pid 3658] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3658] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... futex resumed>) = 1 [pid 3658] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3658] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... futex resumed>) = 1 [pid 3658] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3658] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3657] <... futex resumed>) = 0 [pid 3658] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3657] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] <... openat resumed>) = 8 [pid 3657] <... futex resumed>) = 0 [pid 3658] write(8, "29", 2 [pid 3657] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3658] <... write resumed>) = 2 [pid 3658] ioctl(7, NBD_DO_IT [pid 3657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3657] exit_group(0 [pid 3658] <... ioctl resumed>) = ? [pid 3657] <... exit_group resumed>) = ? [pid 3658] +++ exited with 0 +++ [pid 3657] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3657, 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=0x555555bc45d0) = 3659 ./strace-static-x86_64: Process 3659 attached [pid 3659] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3659] setpgid(0, 0) = 0 [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3659] write(3, "1000", 4) = 4 [pid 3659] close(3) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3659] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3659] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3660], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3660 [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3660 attached [pid 3660] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3660] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3660] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [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) = 0 [pid 3660] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [pid 3660] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3660] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [pid 3660] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3660] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [ 44.521197][ T3658] block nbd0: shutting down sockets [pid 3660] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3660] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [pid 3660] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3660] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... futex resumed>) = 1 [pid 3660] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3660] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3659] <... futex resumed>) = 0 [pid 3660] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3659] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3659] <... futex resumed>) = 0 [pid 3660] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3659] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] <... openat resumed>) = 8 [pid 3660] write(8, "29", 2) = 2 [pid 3660] ioctl(7, NBD_DO_IT [pid 3659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3659] exit_group(0 [pid 3660] <... ioctl resumed>) = ? [pid 3659] <... exit_group resumed>) = ? [pid 3660] +++ exited with 0 +++ [pid 3659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3659, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3661 ./strace-static-x86_64: Process 3661 attached [pid 3661] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3661] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3661] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3662 [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3662 attached [pid 3662] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3662] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3662] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... futex resumed>) = 1 [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) = 0 [pid 3662] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... futex resumed>) = 1 [pid 3662] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3662] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... futex resumed>) = 1 [pid 3662] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3662] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... futex resumed>) = 1 [ 44.821111][ T3660] block nbd0: shutting down sockets [pid 3662] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3662] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... futex resumed>) = 1 [pid 3662] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3662] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... futex resumed>) = 1 [pid 3662] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3662] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3661] <... futex resumed>) = 0 [pid 3662] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3661] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... openat resumed>) = 8 [pid 3661] <... futex resumed>) = 0 [pid 3662] write(8, "29", 2 [pid 3661] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... write resumed>) = 2 [pid 3662] ioctl(7, NBD_DO_IT [pid 3661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3661] exit_group(0 [pid 3662] <... ioctl 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=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3663 ./strace-static-x86_64: Process 3663 attached [pid 3663] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3663] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3663] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3664 [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3664 attached [pid 3664] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3664] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3664] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... futex resumed>) = 1 [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) = 0 [ 45.080543][ T3662] block nbd0: shutting down sockets [pid 3664] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... futex resumed>) = 1 [pid 3664] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3664] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... futex resumed>) = 1 [pid 3664] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3664] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... futex resumed>) = 1 [pid 3664] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3664] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... futex resumed>) = 1 [pid 3664] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3664] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... futex resumed>) = 1 [pid 3664] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3664] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3663] <... futex resumed>) = 0 [pid 3664] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3663] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] <... openat resumed>) = 8 [pid 3663] <... futex resumed>) = 0 [pid 3664] write(8, "29", 2 [pid 3663] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] <... write resumed>) = 2 [pid 3664] ioctl(7, NBD_DO_IT [pid 3663] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3663] exit_group(0 [pid 3664] <... ioctl 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=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3665 ./strace-static-x86_64: Process 3665 attached [pid 3665] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3665] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3665] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3666 [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3666 attached [pid 3666] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3666] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3666] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 1 [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) = 0 [pid 3666] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 1 [pid 3666] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3666] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 1 [pid 3666] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3666] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 1 [ 45.350636][ T3664] block nbd0: shutting down sockets [pid 3666] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3666] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 1 [pid 3666] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3666] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... futex resumed>) = 0 [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... futex resumed>) = 1 [pid 3666] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3666] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3665] <... futex resumed>) = 0 [pid 3666] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3665] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] <... openat resumed>) = 8 [pid 3665] <... futex resumed>) = 0 [pid 3666] write(8, "29", 2 [pid 3665] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] <... write resumed>) = 2 [pid 3666] ioctl(7, NBD_DO_IT [pid 3665] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3665] exit_group(0 [pid 3666] <... ioctl 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=0x555555bc45d0) = 3667 ./strace-static-x86_64: Process 3667 attached [pid 3667] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3667] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3667] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3668], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3668 [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3668 attached [pid 3668] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3668] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3668] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... futex resumed>) = 1 [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) = 0 [pid 3668] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... futex resumed>) = 1 [pid 3668] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3668] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... futex resumed>) = 1 [pid 3668] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3668] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... futex resumed>) = 1 [ 45.621815][ T3666] block nbd0: shutting down sockets [pid 3668] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3668] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... futex resumed>) = 1 [pid 3668] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3668] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... futex resumed>) = 0 [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... futex resumed>) = 1 [pid 3668] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3668] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3667] <... futex resumed>) = 0 [pid 3668] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3667] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] <... openat resumed>) = 8 [pid 3667] <... futex resumed>) = 0 [pid 3668] write(8, "29", 2 [pid 3667] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... write resumed>) = 2 [pid 3668] ioctl(7, NBD_DO_IT [pid 3667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3667] exit_group(0 [pid 3668] <... ioctl 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=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3669 ./strace-static-x86_64: Process 3669 attached [pid 3669] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3669] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3669] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3670], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3670 [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3670 attached [pid 3670] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3670] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3670] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] <... futex resumed>) = 1 [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) = 0 [pid 3670] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] <... futex resumed>) = 1 [pid 3670] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3670] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] <... futex resumed>) = 1 [pid 3670] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3670] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] <... futex resumed>) = 1 [ 45.880747][ T3668] block nbd0: shutting down sockets [pid 3670] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3670] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] <... futex resumed>) = 1 [pid 3670] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3670] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] <... futex resumed>) = 0 [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] <... futex resumed>) = 1 [pid 3670] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3670] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3669] <... futex resumed>) = 0 [pid 3670] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3669] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... openat resumed>) = 8 [pid 3669] <... futex resumed>) = 0 [pid 3670] write(8, "29", 2 [pid 3669] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3670] <... write resumed>) = 2 [pid 3670] ioctl(7, NBD_DO_IT [pid 3669] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3669] exit_group(0 [pid 3670] <... ioctl 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=0x555555bc45d0) = 3671 ./strace-static-x86_64: Process 3671 attached [pid 3671] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3671] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3671] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3672 [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3672 attached [pid 3672] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3672] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3672] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... futex resumed>) = 1 [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) = 0 [pid 3672] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 46.150515][ T3670] block nbd0: shutting down sockets [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... futex resumed>) = 1 [pid 3672] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3672] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... futex resumed>) = 1 [pid 3672] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3672] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... futex resumed>) = 1 [pid 3672] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3672] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... futex resumed>) = 1 [pid 3672] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3672] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] <... futex resumed>) = 0 [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... futex resumed>) = 1 [pid 3672] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3672] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3671] <... futex resumed>) = 0 [pid 3672] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3671] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [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 [pid 3671] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3672] <... openat resumed>) = 8 [pid 3672] write(8, "29", 2) = 2 [pid 3672] ioctl(7, NBD_DO_IT [pid 3671] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3671] exit_group(0 [pid 3672] <... ioctl 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=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3673 ./strace-static-x86_64: Process 3673 attached [pid 3673] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3673] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3673] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3674], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3674 [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3674 attached [pid 3674] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3674] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3674] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... futex resumed>) = 1 [pid 3674] 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) = 0 [pid 3674] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... futex resumed>) = 1 [pid 3674] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3674] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... futex resumed>) = 1 [pid 3674] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3674] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... futex resumed>) = 1 [ 46.451391][ T3672] block nbd0: shutting down sockets [pid 3674] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3674] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... futex resumed>) = 1 [pid 3674] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3674] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... futex resumed>) = 1 [pid 3674] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3674] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3673] <... futex resumed>) = 0 [pid 3674] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3673] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3674] <... openat resumed>) = 8 [pid 3673] <... futex resumed>) = 0 [pid 3674] write(8, "29", 2 [pid 3673] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... write resumed>) = 2 [pid 3674] ioctl(7, NBD_DO_IT [pid 3673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3673] exit_group(0 [pid 3674] <... ioctl resumed>) = ? [pid 3673] <... exit_group resumed>) = ? [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} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3675 ./strace-static-x86_64: Process 3675 attached [pid 3675] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3675] setpgid(0, 0) = 0 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3675] write(3, "1000", 4) = 4 [pid 3675] close(3) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3675] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3675] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3676], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3676 [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3676 attached [pid 3676] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3676] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3676] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... futex resumed>) = 1 [pid 3676] 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) = 0 [pid 3676] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... futex resumed>) = 1 [pid 3676] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3676] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... futex resumed>) = 1 [pid 3676] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3676] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... futex resumed>) = 1 [ 46.730749][ T3674] block nbd0: shutting down sockets [pid 3676] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3676] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... futex resumed>) = 1 [pid 3676] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3676] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... futex resumed>) = 1 [pid 3676] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3676] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3675] <... futex resumed>) = 0 [pid 3676] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3675] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... openat resumed>) = 8 [pid 3675] <... futex resumed>) = 0 [pid 3676] write(8, "29", 2 [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] <... write resumed>) = 2 [pid 3676] ioctl(7, NBD_DO_IT [pid 3675] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3675] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3675] exit_group(0 [pid 3676] <... ioctl resumed>) = ? [pid 3675] <... exit_group resumed>) = ? [pid 3676] +++ exited with 0 +++ [pid 3675] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3675, 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=0x555555bc45d0) = 3677 ./strace-static-x86_64: Process 3677 attached [pid 3677] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3677] setpgid(0, 0) = 0 [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3677] write(3, "1000", 4) = 4 [pid 3677] close(3) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3677] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3677] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3678], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3678 [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3678 attached [pid 3678] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3678] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3678] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... futex resumed>) = 1 [pid 3678] 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) = 0 [pid 3678] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... futex resumed>) = 1 [pid 3678] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3678] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... futex resumed>) = 1 [pid 3678] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3678] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... futex resumed>) = 1 [ 47.002848][ T3676] block nbd0: shutting down sockets [pid 3678] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3678] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... futex resumed>) = 1 [pid 3678] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3678] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] <... futex resumed>) = 0 [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... futex resumed>) = 1 [pid 3678] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3678] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3677] <... futex resumed>) = 0 [pid 3678] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3677] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... openat resumed>) = 8 [pid 3677] <... futex resumed>) = 0 [pid 3678] write(8, "29", 2 [pid 3677] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... write resumed>) = 2 [pid 3678] ioctl(7, NBD_DO_IT [pid 3677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3677] exit_group(0 [pid 3678] <... ioctl resumed>) = ? [pid 3677] <... exit_group resumed>) = ? [pid 3678] +++ exited with 0 +++ [pid 3677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3677, 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=0x555555bc45d0) = 3679 ./strace-static-x86_64: Process 3679 attached [pid 3679] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3679] setpgid(0, 0) = 0 [pid 3679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3679] write(3, "1000", 4) = 4 [pid 3679] close(3) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3679] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3679] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3680], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3680 [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3680 attached [pid 3680] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3680] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3680] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... futex resumed>) = 0 [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] <... futex resumed>) = 1 [pid 3680] 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) = 0 [pid 3680] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... futex resumed>) = 0 [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] <... futex resumed>) = 1 [pid 3680] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3680] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... futex resumed>) = 0 [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] <... futex resumed>) = 1 [pid 3680] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3680] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... futex resumed>) = 0 [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] <... futex resumed>) = 1 [ 47.270801][ T3678] block nbd0: shutting down sockets [pid 3680] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3680] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... futex resumed>) = 0 [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] <... futex resumed>) = 1 [pid 3680] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3680] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... futex resumed>) = 0 [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] <... futex resumed>) = 1 [pid 3680] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3680] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3679] <... futex resumed>) = 0 [pid 3680] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3679] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3680] <... openat resumed>) = 8 [pid 3679] <... futex resumed>) = 0 [pid 3680] write(8, "29", 2 [pid 3679] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] <... write resumed>) = 2 [pid 3680] ioctl(7, NBD_DO_IT [pid 3679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3679] exit_group(0 [pid 3680] <... ioctl resumed>) = ? [pid 3679] <... exit_group resumed>) = ? [pid 3680] +++ exited with 0 +++ [pid 3679] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3679, 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=0x555555bc45d0) = 3681 ./strace-static-x86_64: Process 3681 attached [pid 3681] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3681] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3681] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3682 [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3682 attached [pid 3682] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3682] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3682] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... futex resumed>) = 1 [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) = 0 [pid 3682] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... futex resumed>) = 1 [pid 3682] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3682] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... futex resumed>) = 1 [pid 3682] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3682] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... futex resumed>) = 1 [ 47.541561][ T3680] block nbd0: shutting down sockets [pid 3682] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3682] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... futex resumed>) = 1 [pid 3682] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3682] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... futex resumed>) = 0 [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... futex resumed>) = 1 [pid 3682] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3682] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3681] <... futex resumed>) = 0 [pid 3682] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3681] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] <... openat resumed>) = 8 [pid 3681] <... futex resumed>) = 0 [pid 3682] write(8, "29", 2 [pid 3681] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3682] <... write resumed>) = 2 [pid 3682] ioctl(7, NBD_DO_IT [pid 3681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3681] exit_group(0 [pid 3682] <... ioctl 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=2} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3683 ./strace-static-x86_64: Process 3683 attached [pid 3683] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3683] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3683] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3684 [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3684 attached [pid 3684] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3684] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3684] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... futex resumed>) = 0 [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [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) = 0 [pid 3684] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... futex resumed>) = 0 [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [pid 3684] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3684] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... futex resumed>) = 0 [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [pid 3684] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3684] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... futex resumed>) = 0 [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [ 47.810679][ T3682] block nbd0: shutting down sockets [pid 3684] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3684] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... futex resumed>) = 0 [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [pid 3684] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3684] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3683] <... futex resumed>) = 0 [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... futex resumed>) = 1 [pid 3684] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3684] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3683] <... futex resumed>) = 0 [pid 3684] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3683] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3684] <... openat resumed>) = 8 [pid 3683] <... futex resumed>) = 0 [pid 3684] write(8, "29", 2 [pid 3683] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3684] <... write resumed>) = 2 [pid 3684] ioctl(7, NBD_DO_IT [pid 3683] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3683] exit_group(0 [pid 3684] <... ioctl 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=0x555555bc45d0) = 3685 ./strace-static-x86_64: Process 3685 attached [pid 3685] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3685] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3685] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3686], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3686 [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3686 attached [pid 3686] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3686] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3686] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... futex resumed>) = 0 [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... futex resumed>) = 1 [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) = 0 [pid 3686] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... futex resumed>) = 0 [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... futex resumed>) = 1 [pid 3686] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3686] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... futex resumed>) = 0 [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... futex resumed>) = 1 [pid 3686] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3686] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... futex resumed>) = 0 [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... futex resumed>) = 1 [ 48.080382][ T3684] block nbd0: shutting down sockets [pid 3686] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3686] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... futex resumed>) = 0 [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... futex resumed>) = 1 [pid 3686] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3686] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3685] <... futex resumed>) = 0 [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... futex resumed>) = 1 [pid 3686] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3686] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3685] <... futex resumed>) = 0 [pid 3686] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3685] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3686] <... openat resumed>) = 8 [pid 3685] <... futex resumed>) = 0 [pid 3686] write(8, "29", 2 [pid 3685] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] <... write resumed>) = 2 [pid 3686] ioctl(7, NBD_DO_IT [pid 3685] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3685] exit_group(0 [pid 3686] <... ioctl 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} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3687 ./strace-static-x86_64: Process 3687 attached [pid 3687] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3687] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3687] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3688 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3688 attached [pid 3688] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3688] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3688] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [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) = 0 [pid 3688] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [pid 3688] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3688] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [pid 3688] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3688] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [ 48.350877][ T3686] block nbd0: shutting down sockets [pid 3688] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3688] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [pid 3688] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3688] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [pid 3688] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3688] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] <... futex resumed>) = 0 [pid 3687] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3688] <... futex resumed>) = 1 [pid 3688] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3688] write(8, "29", 2) = 2 [pid 3688] ioctl(7, NBD_DO_IT [pid 3687] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3687] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3687] exit_group(0 [pid 3688] <... ioctl 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=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3689 ./strace-static-x86_64: Process 3689 attached [pid 3689] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3689] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3689] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3690 [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3690 attached [pid 3690] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3690] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3690] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = 0 [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 1 [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) = 0 [pid 3690] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = 0 [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 1 [pid 3690] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3690] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = 0 [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 1 [pid 3690] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3690] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = 0 [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 1 [ 48.601014][ T3688] block nbd0: shutting down sockets [pid 3690] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3690] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = 0 [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 1 [pid 3690] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3690] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3689] <... futex resumed>) = 0 [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... futex resumed>) = 1 [pid 3690] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3690] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3689] <... futex resumed>) = 0 [pid 3690] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3689] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] <... openat resumed>) = 8 [pid 3689] <... futex resumed>) = 0 [pid 3690] write(8, "29", 2 [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3690] <... write resumed>) = 2 [pid 3690] ioctl(7, NBD_DO_IT [pid 3689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3689] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3689] exit_group(0 [pid 3690] <... ioctl 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=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3691 ./strace-static-x86_64: Process 3691 attached [pid 3691] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3691] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3691] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3692 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3692 attached [pid 3692] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3692] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3692] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 1 [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) = 0 [pid 3692] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 1 [pid 3692] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3692] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 1 [pid 3692] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3692] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 1 [ 48.871814][ T3690] block nbd0: shutting down sockets [pid 3692] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3692] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 1 [pid 3692] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3692] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 1 [pid 3692] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3692] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3691] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] <... futex resumed>) = 1 [pid 3692] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 3692] write(8, "29", 2) = 2 [pid 3692] ioctl(7, NBD_DO_IT [pid 3691] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3691] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3691] exit_group(0 [pid 3692] <... ioctl 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=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3693 ./strace-static-x86_64: Process 3693 attached [pid 3693] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3693] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3693] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3694 [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3694 attached [pid 3694] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3694] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3694] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [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) = 0 [pid 3694] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [pid 3694] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3694] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [pid 3694] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3694] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [ 49.123023][ T3692] block nbd0: shutting down sockets [pid 3694] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3694] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [pid 3694] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3694] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3693] <... futex resumed>) = 0 [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... futex resumed>) = 1 [pid 3694] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3694] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3693] <... futex resumed>) = 0 [pid 3694] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3693] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3694] <... openat resumed>) = 8 [pid 3693] <... futex resumed>) = 0 [pid 3694] write(8, "29", 2 [pid 3693] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... write resumed>) = 2 [pid 3694] ioctl(7, NBD_DO_IT [pid 3693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3693] exit_group(0 [pid 3694] <... ioctl resumed>) = ? [pid 3693] <... exit_group resumed>) = ? [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=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3695 ./strace-static-x86_64: Process 3695 attached [pid 3695] set_robust_list(0x555555bc45e0, 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(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3695] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3695] clone(child_stack=0x7f2203f703f0, 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=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3696 [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3696 attached [pid 3696] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3696] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3696] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = 0 [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... 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) = 0 [pid 3696] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = 0 [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... futex resumed>) = 1 [pid 3696] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3696] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = 0 [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... futex resumed>) = 1 [pid 3696] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3696] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = 0 [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... futex resumed>) = 1 [ 49.391241][ T3694] block nbd0: shutting down sockets [pid 3696] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3696] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = 0 [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... futex resumed>) = 1 [pid 3696] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3696] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] <... futex resumed>) = 0 [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... futex resumed>) = 1 [pid 3696] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3696] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3695] <... futex resumed>) = 0 [pid 3696] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3695] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3696] <... openat resumed>) = 8 [pid 3695] <... futex resumed>) = 0 [pid 3696] write(8, "29", 2 [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... write resumed>) = 2 [pid 3696] ioctl(7, NBD_DO_IT [pid 3695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3695] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3695] exit_group(0 [pid 3696] <... ioctl resumed>) = ? [pid 3695] <... exit_group 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=1, si_stime=2} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3697 ./strace-static-x86_64: Process 3697 attached [pid 3697] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3697] setpgid(0, 0) = 0 [pid 3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3697] write(3, "1000", 4) = 4 [pid 3697] close(3) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3697] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3697] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3698], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3698 [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3698 attached [pid 3698] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3698] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3698] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... futex resumed>) = 1 [pid 3698] 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) = 0 [pid 3698] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... futex resumed>) = 1 [pid 3698] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3698] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... futex resumed>) = 1 [pid 3698] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3698] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... futex resumed>) = 1 [ 49.651919][ T3696] block nbd0: shutting down sockets [pid 3698] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3698] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... futex resumed>) = 1 [pid 3698] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3698] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3697] <... futex resumed>) = 0 [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... futex resumed>) = 1 [pid 3698] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3698] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3697] <... futex resumed>) = 0 [pid 3698] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3697] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... openat resumed>) = 8 [pid 3697] <... futex resumed>) = 0 [pid 3698] write(8, "29", 2 [pid 3697] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3698] <... write resumed>) = 2 [pid 3698] ioctl(7, NBD_DO_IT [pid 3697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3697] exit_group(0 [pid 3698] <... ioctl resumed>) = ? [pid 3697] <... exit_group resumed>) = ? [pid 3698] +++ exited with 0 +++ [pid 3697] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3697, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bc45d0) = 3699 ./strace-static-x86_64: Process 3699 attached [pid 3699] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3699] setpgid(0, 0) = 0 [pid 3699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3699] write(3, "1000", 4) = 4 [pid 3699] close(3) = 0 [pid 3699] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3699] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3699] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3700], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3700 [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3700 attached [pid 3700] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3700] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3700] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3699] <... futex resumed>) = 0 [pid 3700] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 0 [pid 3700] 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 [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... ioctl resumed>) = 0 [pid 3700] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3699] <... futex resumed>) = 0 [pid 3700] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 0 [pid 3700] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... openat resumed>) = 4 [pid 3700] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3699] <... futex resumed>) = 0 [pid 3700] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 0 [pid 3700] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... socketpair resumed>[5, 6]) = 0 [pid 3700] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3699] <... futex resumed>) = 0 [pid 3700] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 0 [pid 3700] ioctl(4, NBD_SET_SOCK, 5 [ 49.910870][ T3698] block nbd0: shutting down sockets [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... ioctl resumed>) = 0 [pid 3700] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3699] <... futex resumed>) = 0 [pid 3700] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 0 [pid 3700] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... openat resumed>) = 7 [pid 3700] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3699] <... futex resumed>) = 0 [pid 3700] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 0 [pid 3700] ioctl(4, NBD_SET_SOCK, 5 [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... ioctl resumed>) = 0 [pid 3700] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3699] <... futex resumed>) = 0 [pid 3700] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3699] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3699] <... futex resumed>) = 0 [pid 3700] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3699] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3700] <... openat resumed>) = 8 [pid 3700] write(8, "29", 2) = 2 [pid 3700] ioctl(7, NBD_DO_IT [pid 3699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3699] exit_group(0 [pid 3700] <... ioctl resumed>) = ? [pid 3699] <... exit_group resumed>) = ? [pid 3700] +++ exited with 0 +++ [pid 3699] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3699, 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=0x555555bc45d0) = 3701 ./strace-static-x86_64: Process 3701 attached [pid 3701] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3701] setpgid(0, 0) = 0 [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3701] write(3, "1000", 4) = 4 [pid 3701] close(3) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 50.195091][ T3700] block nbd0: shutting down sockets [pid 3701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3701] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3701] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3702], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3702 [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3702 attached [pid 3702] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3702] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3702] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 1 [pid 3702] 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) = 0 [pid 3702] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 1 [pid 3702] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3702] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 1 [pid 3702] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3702] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 1 [pid 3702] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3702] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 1 [pid 3702] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3702] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... futex resumed>) = 0 [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... futex resumed>) = 1 [pid 3702] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 3702] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3701] <... futex resumed>) = 0 [pid 3702] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3701] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] <... openat resumed>) = 8 [pid 3701] <... futex resumed>) = 0 [pid 3702] write(8, "29", 2 [pid 3701] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... write resumed>) = 2 [pid 3702] ioctl(7, NBD_DO_IT [pid 3701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3701] exit_group(0 [pid 3702] <... ioctl resumed>) = ? [pid 3701] <... exit_group resumed>) = ? [pid 3702] +++ exited with 0 +++ [pid 3701] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3701, 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=0x555555bc45d0) = 3703 ./strace-static-x86_64: Process 3703 attached [pid 3703] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3703] setpgid(0, 0) = 0 [pid 3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3703] write(3, "1000", 4) = 4 [pid 3703] close(3) = 0 [pid 3703] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3703] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3703] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3704], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3704 [pid 3703] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3704 attached [pid 3704] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3704] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3704] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3703] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3704] 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) = 0 [pid 3704] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3703] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3704] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3704] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3703] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3704] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [ 50.470881][ T3702] block nbd0: shutting down sockets [pid 3704] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3703] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3704] ioctl(4, NBD_SET_SOCK, 5 [pid 3703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3704] <... ioctl resumed>) = 0 [pid 3703] futex(0x7f22040484dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] <... futex resumed>) = 0 [pid 3704] <... futex resumed>) = 0 [pid 3703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3704] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] <... mmap resumed>) = 0x7f2203f2f000 [pid 3703] mprotect(0x7f2203f30000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3703] clone(child_stack=0x7f2203f4f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3705], tls=0x7f2203f4f700, child_tidptr=0x7f2203f4f9d0) = 3705 [pid 3703] futex(0x7f22040484d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3703] futex(0x7f22040484dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3705 attached [pid 3705] set_robust_list(0x7f2203f4f9e0, 24) = 0 [pid 3705] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3705] futex(0x7f22040484dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] <... futex resumed>) = 0 [pid 3703] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] <... futex resumed>) = 0 [pid 3703] <... futex resumed>) = 1 [pid 3704] ioctl(4, NBD_SET_SOCK, 5 [pid 3703] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3705] <... futex resumed>) = 1 [pid 3705] futex(0x7f22040484d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3704] <... ioctl resumed>) = 0 [pid 3704] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3704] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3703] <... futex resumed>) = 0 [pid 3704] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3703] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3704] <... openat resumed>) = 8 [pid 3704] write(8, "29", 2) = 2 [pid 3704] ioctl(7, NBD_DO_IT [pid 3703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3703] exit_group(0 [pid 3705] <... futex resumed>) = ? [pid 3704] <... ioctl resumed>) = ? [pid 3703] <... exit_group resumed>) = ? [pid 3705] +++ exited with 0 +++ [pid 3704] +++ exited with 0 +++ [pid 3703] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3703, 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=0x555555bc45d0) = 3706 ./strace-static-x86_64: Process 3706 attached [pid 3706] set_robust_list(0x555555bc45e0, 24) = 0 [pid 3706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3706] setpgid(0, 0) = 0 [pid 3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3706] write(3, "1000", 4) = 4 [pid 3706] close(3) = 0 [pid 3706] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f50000 [pid 3706] mprotect(0x7f2203f51000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3706] clone(child_stack=0x7f2203f703f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3707], tls=0x7f2203f70700, child_tidptr=0x7f2203f709d0) = 3707 [pid 3706] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3707 attached [pid 3707] set_robust_list(0x7f2203f709e0, 24) = 0 [pid 3707] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 3707] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 0 [pid 3706] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... futex resumed>) = 1 [pid 3707] 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) = 0 [pid 3707] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 0 [pid 3706] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... futex resumed>) = 1 [pid 3707] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 3707] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 0 [pid 3706] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... futex resumed>) = 1 [pid 3707] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 3707] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] <... futex resumed>) = 0 [pid 3706] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... futex resumed>) = 1 [ 50.773365][ T3704] block nbd0: shutting down sockets [pid 3707] ioctl(4, NBD_SET_SOCK, 5 [pid 3706] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3706] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3706] futex(0x7f22040484dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2203f2f000 [pid 3706] mprotect(0x7f2203f30000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3706] clone(child_stack=0x7f2203f4f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3708], tls=0x7f2203f4f700, child_tidptr=0x7f2203f4f9d0) = 3708 [pid 3706] futex(0x7f22040484d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] futex(0x7f22040484dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3708 attached [pid 3708] set_robust_list(0x7f2203f4f9e0, 24) = 0 [pid 3708] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 3708] futex(0x7f22040484dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3706] <... futex resumed>) = 0 [pid 3706] futex(0x7f22040484d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3708] ioctl(4, NBD_SET_SOCK, 5 [pid 3706] <... futex resumed>) = 0 [pid 3706] futex(0x7f22040484dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... ioctl resumed>) = 0 [pid 3707] futex(0x7f22040484cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3707] futex(0x7f22040484c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3708] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 3706] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3706] futex(0x7f22040484c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3707] <... futex resumed>) = 0 [pid 3706] <... futex resumed>) = 1 [pid 3707] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3706] futex(0x7f22040484cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3707] <... openat resumed>) = 8 [pid 3707] write(8, "29", 2 [pid 3708] futex(0x7f22040484dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3707] <... write resumed>) = 2 [pid 3708] <... futex resumed>) = 0 [pid 3707] ioctl(7, NBD_DO_IT [ 50.901100][ T3708] block nbd0: Device being setup by another task [ 50.933274][ T3707] ------------[ cut here ]------------ [ 50.938759][ T3707] kernfs: can not remove 'nr_tags', no directory [pid 3708] futex(0x7f22040484d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3706] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 50.945730][ T3707] WARNING: CPU: 1 PID: 3707 at fs/kernfs/dir.c:1579 kernfs_remove_by_name_ns+0xed/0x110 [ 50.955725][ T3707] Modules linked in: [ 50.959665][ T3707] CPU: 1 PID: 3707 Comm: syz-executor309 Not tainted 6.0.0-rc2-next-20220826-syzkaller #0 [ 50.970212][ T3707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 50.981488][ T3707] RIP: 0010:kernfs_remove_by_name_ns+0xed/0x110 [ 50.987859][ T3707] Code: c3 e8 f7 c3 7d ff 4c 89 e7 41 bc fe ff ff ff e8 f9 1b 60 ff eb da e8 e2 c3 7d ff 4c 89 ee 48 c7 c7 e0 92 ff 89 e8 9c de 41 07 <0f> 0b 41 bc fe ff ff ff eb bc e8 04 76 ca ff e9 71 ff ff ff e8 fa [ 51.007778][ T3707] RSP: 0018:ffffc90003e1fa38 EFLAGS: 00010286 [ 51.014164][ T3707] RAX: 0000000000000000 RBX: ffffffff8c87e668 RCX: 0000000000000000 [ 51.022388][ T3707] RDX: ffff88801fb10000 RSI: ffffffff8161e578 RDI: fffff520007c3f39 [ 51.030442][ T3707] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 51.038915][ T3707] R10: 0000000080000000 R11: 203a73666e72656b R12: 0000000000000000 [ 51.047563][ T3707] R13: ffffffff8a46fe00 R14: 0000000000000000 R15: 0000000000000001 [ 51.055785][ T3707] FS: 00007f2203f70700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 51.064977][ T3707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.071846][ T3707] CR2: 00005602ae0e7068 CR3: 000000001c8fb000 CR4: 00000000003506e0 [ 51.079899][ T3707] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.088144][ T3707] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.096380][ T3707] Call Trace: [ 51.099731][ T3707] [ 51.102953][ T3707] remove_files+0x96/0x1c0 [ 51.107459][ T3707] sysfs_remove_group+0x87/0x170 [ 51.112752][ T3707] sysfs_remove_groups+0x5c/0xa0 [ 51.117796][ T3707] __kobject_del+0x89/0x1f0 [ 51.122662][ T3707] kobject_del+0x3c/0x60 [ 51.126990][ T3707] blk_mq_sysfs_unregister_hctxs+0x247/0x2c0 [ 51.133330][ T3707] ? blk_mq_sysfs_unregister+0x3f0/0x3f0 [ 51.139749][ T3707] ? blk_mq_debugfs_register_hctxs+0x140/0x140 [ 51.146429][ T3707] blk_mq_update_nr_hw_queues+0x489/0xdf0 [ 51.152395][ T3707] ? blk_mq_init_queue+0x140/0x140 [ 51.157574][ T3707] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 51.164280][ T3707] ? rcu_read_lock_sched_held+0xd/0x70 [ 51.169843][ T3707] nbd_start_device+0x153/0xc30 [ 51.174984][ T3707] ? bpf_lsm_capable+0x5/0x10 [ 51.179719][ T3707] ? security_capable+0x8f/0xc0 [ 51.184876][ T3707] nbd_ioctl+0x5a1/0xbd0 [ 51.189181][ T3707] ? blkdev_bszset+0x1f0/0x1f0 [ 51.194305][ T3707] ? nbd_start_device+0xc30/0xc30 [pid 3706] exit_group(0 [pid 3708] <... futex resumed>) = ? [pid 3706] <... exit_group resumed>) = ? [pid 3708] +++ exited with 0 +++ [ 51.199429][ T3707] ? rcu_read_lock_sched_held+0xd/0x70 [ 51.205251][ T3707] ? lock_release+0x560/0x780 [ 51.210007][ T3707] ? ptrace_notify+0xfa/0x140 [ 51.215113][ T3707] ? nbd_start_device+0xc30/0xc30 [ 51.220222][ T3707] blkdev_ioctl+0x36e/0x800 [ 51.225040][ T3707] ? blkdev_common_ioctl+0x1a30/0x1a30 [ 51.230532][ T3707] ? bpf_lsm_file_ioctl+0x5/0x10 [ 51.235750][ T3707] ? blkdev_common_ioctl+0x1a30/0x1a30 [ 51.241414][ T3707] __x64_sys_ioctl+0x193/0x200 [ 51.246680][ T3707] do_syscall_64+0x35/0xb0 [ 51.251501][ T3707] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.257512][ T3707] RIP: 0033:0x7f2203fcb5a9 [ 51.262176][ T3707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.281999][ T3707] RSP: 002b:00007f2203f702e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.290438][ T3707] RAX: ffffffffffffffda RBX: 00007f22040484c0 RCX: 00007f2203fcb5a9 [ 51.298666][ T3707] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 51.306829][ T3707] RBP: 00007f22040153b4 R08: 0000000000000002 R09: 0000000000003932 [ 51.314995][ T3707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f22040484cc [ 51.323158][ T3707] R13: 00007f2203f702f0 R14: 00007f22040484c8 R15: 0000000000000002 [ 51.331795][ T3707] [ 51.334850][ T3707] Kernel panic - not syncing: panic_on_warn set ... [ 51.341441][ T3707] CPU: 1 PID: 3707 Comm: syz-executor309 Not tainted 6.0.0-rc2-next-20220826-syzkaller #0 [ 51.351349][ T3707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 51.361417][ T3707] Call Trace: [ 51.364706][ T3707] [ 51.367645][ T3707] dump_stack_lvl+0xcd/0x134 [ 51.372263][ T3707] panic+0x2c8/0x627 [ 51.376185][ T3707] ? panic_print_sys_info.part.0+0x10b/0x10b [ 51.382195][ T3707] ? __warn.cold+0x248/0x2c4 [ 51.386810][ T3707] ? kernfs_remove_by_name_ns+0xed/0x110 [ 51.392460][ T3707] __warn.cold+0x259/0x2c4 [ 51.396898][ T3707] ? kernfs_remove_by_name_ns+0xed/0x110 [ 51.402548][ T3707] report_bug+0x1bc/0x210 [ 51.406905][ T3707] handle_bug+0x3c/0x60 [ 51.411084][ T3707] exc_invalid_op+0x14/0x40 [ 51.415614][ T3707] asm_exc_invalid_op+0x16/0x20 [ 51.420483][ T3707] RIP: 0010:kernfs_remove_by_name_ns+0xed/0x110 [ 51.426745][ T3707] Code: c3 e8 f7 c3 7d ff 4c 89 e7 41 bc fe ff ff ff e8 f9 1b 60 ff eb da e8 e2 c3 7d ff 4c 89 ee 48 c7 c7 e0 92 ff 89 e8 9c de 41 07 <0f> 0b 41 bc fe ff ff ff eb bc e8 04 76 ca ff e9 71 ff ff ff e8 fa [ 51.446371][ T3707] RSP: 0018:ffffc90003e1fa38 EFLAGS: 00010286 [ 51.452455][ T3707] RAX: 0000000000000000 RBX: ffffffff8c87e668 RCX: 0000000000000000 [ 51.460438][ T3707] RDX: ffff88801fb10000 RSI: ffffffff8161e578 RDI: fffff520007c3f39 [ 51.468423][ T3707] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 51.476414][ T3707] R10: 0000000080000000 R11: 203a73666e72656b R12: 0000000000000000 [ 51.484420][ T3707] R13: ffffffff8a46fe00 R14: 0000000000000000 R15: 0000000000000001 [ 51.492410][ T3707] ? vprintk+0x88/0x90 [ 51.496503][ T3707] ? kernfs_remove_by_name_ns+0xed/0x110 [ 51.502151][ T3707] remove_files+0x96/0x1c0 [ 51.506588][ T3707] sysfs_remove_group+0x87/0x170 [ 51.511548][ T3707] sysfs_remove_groups+0x5c/0xa0 [ 51.516509][ T3707] __kobject_del+0x89/0x1f0 [ 51.521028][ T3707] kobject_del+0x3c/0x60 [ 51.525286][ T3707] blk_mq_sysfs_unregister_hctxs+0x247/0x2c0 [ 51.531294][ T3707] ? blk_mq_sysfs_unregister+0x3f0/0x3f0 [ 51.536955][ T3707] ? blk_mq_debugfs_register_hctxs+0x140/0x140 [ 51.543135][ T3707] blk_mq_update_nr_hw_queues+0x489/0xdf0 [ 51.548881][ T3707] ? blk_mq_init_queue+0x140/0x140 [ 51.554015][ T3707] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 51.559841][ T3707] ? rcu_read_lock_sched_held+0xd/0x70 [ 51.565315][ T3707] nbd_start_device+0x153/0xc30 [ 51.570183][ T3707] ? bpf_lsm_capable+0x5/0x10 [ 51.574876][ T3707] ? security_capable+0x8f/0xc0 [ 51.579744][ T3707] nbd_ioctl+0x5a1/0xbd0 [ 51.584014][ T3707] ? blkdev_bszset+0x1f0/0x1f0 [ 51.588803][ T3707] ? nbd_start_device+0xc30/0xc30 [ 51.593845][ T3707] ? rcu_read_lock_sched_held+0xd/0x70 [ 51.599320][ T3707] ? lock_release+0x560/0x780 [ 51.604015][ T3707] ? ptrace_notify+0xfa/0x140 [ 51.608714][ T3707] ? nbd_start_device+0xc30/0xc30 [ 51.613759][ T3707] blkdev_ioctl+0x36e/0x800 [ 51.618288][ T3707] ? blkdev_common_ioctl+0x1a30/0x1a30 [ 51.623775][ T3707] ? bpf_lsm_file_ioctl+0x5/0x10 [ 51.628730][ T3707] ? blkdev_common_ioctl+0x1a30/0x1a30 [ 51.634216][ T3707] __x64_sys_ioctl+0x193/0x200 [ 51.639004][ T3707] do_syscall_64+0x35/0xb0 [ 51.643443][ T3707] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.649352][ T3707] RIP: 0033:0x7f2203fcb5a9 [ 51.653780][ T3707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.673403][ T3707] RSP: 002b:00007f2203f702e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.681833][ T3707] RAX: ffffffffffffffda RBX: 00007f22040484c0 RCX: 00007f2203fcb5a9 [ 51.689818][ T3707] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 51.697805][ T3707] RBP: 00007f22040153b4 R08: 0000000000000002 R09: 0000000000003932 [ 51.705793][ T3707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f22040484cc [ 51.713774][ T3707] R13: 00007f2203f702f0 R14: 00007f22040484c8 R15: 0000000000000002 [ 51.721759][ T3707] [ 51.724930][ T3707] Kernel Offset: disabled [ 51.729249][ T3707] Rebooting in 86400 seconds..