./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1401649472 <...> DUID 00:04:7a:dc:29:a2:f4:b1:6d:28:30:de:a7:64:4f:eb:cd:90 forked to background, child pid 4634 [ 31.932082][ T4635] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.949736][ T4635] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. execve("./syz-executor1401649472", ["./syz-executor1401649472"], 0x7ffed376fbf0 /* 10 vars */) = 0 brk(NULL) = 0x555556b18000 brk(0x555556b18c40) = 0x555556b18c40 arch_prctl(ARCH_SET_FS, 0x555556b18300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555556b185d0) = 5061 set_robust_list(0x555556b185e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f62ef8d2430, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f62ef8d2b00}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f62ef8d24d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f62ef8d2b00}, 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-executor1401649472", 4096) = 28 brk(0x555556b39c40) = 0x555556b39c40 brk(0x555556b3a000) = 0x555556b3a000 mprotect(0x7f62ef993000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5062 ./strace-static-x86_64: Process 5062 attached [pid 5062] set_robust_list(0x555556b185e0, 24) = 0 [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] setpgid(0, 0) = 0 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1000", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5062] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] clone(child_stack=0x7f62ef8c23f0, 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 5063 attached , parent_tid=[5063], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5063 [pid 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] set_robust_list(0x7f62ef8c29e0, 24 [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... set_robust_list resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5063] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5063] 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 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... ioctl resumed>) = 0 [pid 5063] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... futex resumed>) = 0 [pid 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5063] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... futex resumed>) = 0 [pid 5063] <... futex resumed>) = 1 [pid 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5062] <... futex resumed>) = 0 [pid 5063] <... socketpair resumed>[5, 6]) = 0 [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] ioctl(4, NBD_SET_SOCK, 5 [pid 5062] <... futex resumed>) = 0 [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... ioctl resumed>) = 0 [pid 5063] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5063] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... openat resumed>) = 7 [pid 5063] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5063] ioctl(4, NBD_SET_SOCK, 5 [pid 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... ioctl resumed>) = 0 [pid 5063] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] <... futex resumed>) = 0 [pid 5063] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5062] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... openat resumed>) = 8 [pid 5063] write(8, "29", 2) = 2 [pid 5063] ioctl(7, NBD_DO_IT [pid 5062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) syzkaller login: [ 75.383225][ T5063] FAULT_INJECTION: forcing a failure. [ 75.383225][ T5063] name failslab, interval 1, probability 0, space 0, times 1 [ 75.396069][ T5063] CPU: 0 PID: 5063 Comm: syz-executor140 Not tainted 6.2.0-rc1-syzkaller #0 [ 75.404749][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 75.414806][ T5063] Call Trace: [ 75.418094][ T5063] [ 75.421042][ T5063] dump_stack_lvl+0x1e3/0x2d0 [ 75.425769][ T5063] ? nf_tcp_handle_invalid+0x630/0x630 [ 75.431234][ T5063] ? panic+0x770/0x770 [ 75.435302][ T5063] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 75.441206][ T5063] ? stack_trace_save+0x12d/0x1f0 [ 75.446240][ T5063] should_fail_ex+0x3aa/0x4e0 [ 75.450934][ T5063] ? __kernfs_new_node+0x99/0x730 [ 75.455963][ T5063] should_failslab+0x5/0x20 [ 75.460486][ T5063] __kmem_cache_alloc_node+0x68/0x340 [ 75.465860][ T5063] ? __kernfs_new_node+0x99/0x730 [ 75.470884][ T5063] __kmalloc_node_track_caller+0x9c/0x190 [ 75.476598][ T5063] ? kasan_save_free_info+0x27/0x40 [ 75.481793][ T5063] ? ____kasan_slab_free+0xd6/0x120 [ 75.486994][ T5063] kstrdup_const+0x56/0x90 [ 75.491405][ T5063] __kernfs_new_node+0x99/0x730 [ 75.496251][ T5063] ? __se_sys_ioctl+0xfb/0x170 [ 75.501009][ T5063] ? do_syscall_64+0x2b/0x70 [ 75.505599][ T5063] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 75.511675][ T5063] ? kernfs_new_node+0x160/0x160 [ 75.516616][ T5063] ? mark_lock+0x9a/0x350 [ 75.520949][ T5063] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 75.526932][ T5063] ? print_irqtrace_events+0x220/0x220 [ 75.532390][ T5063] kernfs_create_dir_ns+0x90/0x220 [ 75.537507][ T5063] sysfs_create_dir_ns+0x181/0x390 [ 75.542630][ T5063] ? sysfs_warn_dup+0xa0/0xa0 [ 75.547308][ T5063] ? slab_free_freelist_hook+0x12e/0x1a0 [ 75.552946][ T5063] kobject_add_internal+0x6dd/0xd10 [ 75.558153][ T5063] kobject_add+0x14c/0x210 [ 75.562575][ T5063] ? blk_mq_register_hctx+0x126/0x3b0 [ 75.567948][ T5063] ? kobject_init+0x1d0/0x1d0 [ 75.572629][ T5063] ? xa_clear_mark+0x2d0/0x2d0 [ 75.577396][ T5063] blk_mq_register_hctx+0x1bd/0x3b0 [ 75.582597][ T5063] blk_mq_sysfs_register_hctxs+0x128/0x1f0 [ 75.588402][ T5063] ? blk_mq_sysfs_unregister_hctxs+0x320/0x320 [ 75.594555][ T5063] ? blk_mq_map_queues+0x683/0x6b0 [ 75.599673][ T5063] blk_mq_update_nr_hw_queues+0xdbf/0x13a0 [ 75.605487][ T5063] ? blk_mq_update_nr_requests+0x680/0x680 [ 75.611288][ T5063] ? trace_raw_output_contention_end+0xd0/0xd0 [ 75.617443][ T5063] ? blkdev_common_ioctl+0x688/0x21c0 [ 75.622824][ T5063] nbd_start_device+0x15d/0xb70 [ 75.627691][ T5063] nbd_start_device_ioctl+0xa7/0x5c0 [ 75.632974][ T5063] ? nbd_ioctl+0xd7/0x5b0 [ 75.637300][ T5063] ? nbd_set_size+0x490/0x490 [ 75.641973][ T5063] ? safesetid_security_capable+0xab/0x1b0 [ 75.647783][ T5063] ? bpf_lsm_capable+0x5/0x10 [ 75.652471][ T5063] nbd_ioctl+0x28c/0x5b0 [ 75.656777][ T5063] ? nbd_release+0x130/0x130 [ 75.661394][ T5063] blkdev_ioctl+0x3c9/0x7c0 [ 75.665920][ T5063] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 75.671389][ T5063] ? bpf_lsm_file_ioctl+0x5/0x10 [ 75.676328][ T5063] ? security_file_ioctl+0x9d/0xb0 [ 75.681455][ T5063] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 75.686925][ T5063] __se_sys_ioctl+0xfb/0x170 [ 75.691524][ T5063] do_syscall_64+0x2b/0x70 [ 75.695964][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 75.701879][ T5063] RIP: 0033:0x7f62ef915319 [ 75.706306][ T5063] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 75.725937][ T5063] RSP: 002b:00007f62ef8c22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.734400][ T5063] RAX: ffffffffffffffda RBX: 00007f62ef9994e0 RCX: 00007f62ef915319 [ 75.742391][ T5063] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 75.750378][ T5063] RBP: 00007f62ef966194 R08: 0000000000000002 R09: 0000000000003932 [ 75.758354][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62ef9994ec [ 75.766339][ T5063] R13: 00007f62ef8c22f0 R14: 00007f62ef9994e8 R15: 0000000000000002 [ 75.774335][ T5063] [ 75.778541][ T5063] kobject_add_internal failed for cpu0 (error: -12 parent: 0) [pid 5062] exit_group(0) = ? [pid 5063] <... ioctl resumed>) = ? [pid 5063] +++ exited with 0 +++ [pid 5062] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x555556b185e0, 24) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1000", 4) = 4 [pid 5066] close(3) = 0 [ 75.860803][ T5063] block nbd0: shutting down sockets [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5066] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5066] clone(child_stack=0x7f62ef8c23f0, 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 5067 attached [pid 5067] set_robust_list(0x7f62ef8c29e0, 24 [pid 5066] <... clone resumed>, parent_tid=[5067], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5067 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... openat resumed>) = 3 [pid 5067] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5067] 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 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... ioctl resumed>) = 0 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5067] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5067] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 5067] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 5067] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] ioctl(4, NBD_SET_SOCK, 5 [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... ioctl resumed>) = 0 [pid 5067] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5066] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... openat resumed>) = 8 [pid 5067] write(8, "29", 2) = 2 [ 76.014344][ T5067] FAULT_INJECTION: forcing a failure. [ 76.014344][ T5067] name failslab, interval 1, probability 0, space 0, times 0 [ 76.027105][ T5067] CPU: 1 PID: 5067 Comm: syz-executor140 Not tainted 6.2.0-rc1-syzkaller #0 [ 76.035783][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 76.045852][ T5067] Call Trace: [ 76.049145][ T5067] [ 76.052074][ T5067] dump_stack_lvl+0x1e3/0x2d0 [ 76.056749][ T5067] ? nf_tcp_handle_invalid+0x630/0x630 [ 76.062210][ T5067] ? panic+0x770/0x770 [ 76.066283][ T5067] ? __might_sleep+0xc0/0xc0 [ 76.070874][ T5067] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 76.076856][ T5067] should_fail_ex+0x3aa/0x4e0 [ 76.081538][ T5067] ? skb_clone+0x1e0/0x360 [ 76.085951][ T5067] should_failslab+0x5/0x20 [ 76.090446][ T5067] kmem_cache_alloc+0x69/0x350 [ 76.095210][ T5067] ? _raw_read_unlock_irqrestore+0xd9/0x130 [ 76.101129][ T5067] ? _raw_read_unlock+0x40/0x40 [ 76.105994][ T5067] skb_clone+0x1e0/0x360 [ 76.110225][ T5067] ? netlink_broadcast+0x65b/0x1170 [ 76.115417][ T5067] netlink_broadcast+0x669/0x1170 [ 76.120461][ T5067] ? alloc_uevent_skb+0xdd/0x220 [ 76.125420][ T5067] kobject_uevent_net_broadcast+0x385/0x570 [ 76.131314][ T5067] kobject_uevent_env+0x6b1/0x8e0 [ 76.136341][ T5067] nbd_set_size+0x3f3/0x490 [ 76.140840][ T5067] nbd_start_device_ioctl+0xa7/0x5c0 [ 76.146115][ T5067] ? nbd_ioctl+0xd7/0x5b0 [ 76.150434][ T5067] ? nbd_set_size+0x490/0x490 [ 76.155102][ T5067] ? safesetid_security_capable+0xab/0x1b0 [ 76.160915][ T5067] ? bpf_lsm_capable+0x5/0x10 [ 76.165610][ T5067] nbd_ioctl+0x28c/0x5b0 [ 76.169846][ T5067] ? nbd_release+0x130/0x130 [ 76.174432][ T5067] blkdev_ioctl+0x3c9/0x7c0 [ 76.178945][ T5067] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 76.184422][ T5067] ? bpf_lsm_file_ioctl+0x5/0x10 [ 76.189373][ T5067] ? security_file_ioctl+0x9d/0xb0 [ 76.194490][ T5067] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 76.199971][ T5067] __se_sys_ioctl+0xfb/0x170 [ 76.204578][ T5067] do_syscall_64+0x2b/0x70 [ 76.208985][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 76.214869][ T5067] RIP: 0033:0x7f62ef915319 [ 76.219274][ T5067] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.238884][ T5067] RSP: 002b:00007f62ef8c22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.247324][ T5067] RAX: ffffffffffffffda RBX: 00007f62ef9994e0 RCX: 00007f62ef915319 [ 76.255313][ T5067] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [pid 5067] ioctl(7, NBD_DO_IT [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 76.263286][ T5067] RBP: 00007f62ef966194 R08: 0000000000000002 R09: 0000000000003932 [ 76.271252][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62ef9994ec [ 76.279237][ T5067] R13: 00007f62ef8c22f0 R14: 00007f62ef9994e8 R15: 0000000000000002 [ 76.287215][ T5067] [ 76.294859][ T26] cfg80211: failed to load regulatory.db [pid 5066] exit_group(0) = ? [pid 5067] <... ioctl resumed>) = ? [pid 5067] +++ exited with 0 +++ [pid 5066] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5068 ./strace-static-x86_64: Process 5068 attached [pid 5068] set_robust_list(0x555556b185e0, 24) = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setpgid(0, 0) = 0 [ 76.439668][ T5067] block nbd0: shutting down sockets [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1000", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5068] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5068] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5069], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5069 [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5069] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5069] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 1 [pid 5069] 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 5069] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 1 [pid 5069] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5069] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 1 [pid 5069] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5069] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 1 [pid 5069] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 5069] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 7 [pid 5068] <... futex resumed>) = 0 [pid 5069] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] ioctl(4, NBD_SET_SOCK, 5 [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... ioctl resumed>) = 0 [pid 5069] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5068] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] <... openat resumed>) = 8 [pid 5068] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] write(8, "29", 2) = 2 [ 76.587534][ T5069] FAULT_INJECTION: forcing a failure. [ 76.587534][ T5069] name failslab, interval 1, probability 0, space 0, times 0 [ 76.608550][ T5069] CPU: 1 PID: 5069 Comm: syz-executor140 Not tainted 6.2.0-rc1-syzkaller #0 [ 76.617276][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 76.627350][ T5069] Call Trace: [ 76.630643][ T5069] [ 76.633599][ T5069] dump_stack_lvl+0x1e3/0x2d0 [ 76.638299][ T5069] ? nf_tcp_handle_invalid+0x630/0x630 [ 76.643791][ T5069] ? panic+0x770/0x770 [ 76.647875][ T5069] ? __might_sleep+0xc0/0xc0 [ 76.652462][ T5069] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 76.658469][ T5069] should_fail_ex+0x3aa/0x4e0 [ 76.663165][ T5069] ? skb_clone+0x1e0/0x360 [ 76.667587][ T5069] should_failslab+0x5/0x20 [ 76.672113][ T5069] kmem_cache_alloc+0x69/0x350 [ 76.676898][ T5069] ? _raw_read_unlock_irqrestore+0xd9/0x130 [ 76.682808][ T5069] ? _raw_read_unlock+0x40/0x40 [ 76.687679][ T5069] skb_clone+0x1e0/0x360 [ 76.691924][ T5069] ? netlink_broadcast+0x65b/0x1170 [ 76.697129][ T5069] netlink_broadcast+0x669/0x1170 [ 76.702165][ T5069] ? alloc_uevent_skb+0xdd/0x220 [ 76.707107][ T5069] kobject_uevent_net_broadcast+0x385/0x570 [ 76.713007][ T5069] kobject_uevent_env+0x6b1/0x8e0 [ 76.718048][ T5069] nbd_set_size+0x3f3/0x490 [ 76.722555][ T5069] nbd_start_device_ioctl+0xa7/0x5c0 [ 76.727836][ T5069] ? nbd_ioctl+0xd7/0x5b0 [ 76.732160][ T5069] ? nbd_set_size+0x490/0x490 [ 76.736835][ T5069] ? safesetid_security_capable+0xab/0x1b0 [ 76.742647][ T5069] ? bpf_lsm_capable+0x5/0x10 [ 76.747329][ T5069] nbd_ioctl+0x28c/0x5b0 [ 76.751567][ T5069] ? nbd_release+0x130/0x130 [ 76.756162][ T5069] blkdev_ioctl+0x3c9/0x7c0 [ 76.760666][ T5069] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 76.766125][ T5069] ? bpf_lsm_file_ioctl+0x5/0x10 [ 76.771060][ T5069] ? security_file_ioctl+0x9d/0xb0 [ 76.776169][ T5069] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 76.781623][ T5069] __se_sys_ioctl+0xfb/0x170 [ 76.786216][ T5069] do_syscall_64+0x2b/0x70 [ 76.790631][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 76.796522][ T5069] RIP: 0033:0x7f62ef915319 [ 76.800934][ T5069] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 76.820624][ T5069] RSP: 002b:00007f62ef8c22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.829036][ T5069] RAX: ffffffffffffffda RBX: 00007f62ef9994e0 RCX: 00007f62ef915319 [pid 5069] ioctl(7, NBD_DO_IT [pid 5068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 76.837003][ T5069] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 76.844973][ T5069] RBP: 00007f62ef966194 R08: 0000000000000002 R09: 0000000000003932 [ 76.852941][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62ef9994ec [ 76.860906][ T5069] R13: 00007f62ef8c22f0 R14: 00007f62ef9994e8 R15: 0000000000000002 [ 76.868887][ T5069] [pid 5068] exit_group(0) = ? [pid 5069] <... ioctl resumed>) = ? [pid 5069] +++ exited with 0 +++ [pid 5068] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5070 ./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x555556b185e0, 24) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [ 77.011719][ T5069] block nbd0: shutting down sockets [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5070] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5070] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5071], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5071 [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5071] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5071] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 1 [pid 5071] 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 5071] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 1 [pid 5071] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5071] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 1 [pid 5071] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5071] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 1 [pid 5071] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 5071] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5070] <... futex resumed>) = 0 [pid 5071] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 7 [pid 5071] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5070] <... futex resumed>) = 0 [pid 5071] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... futex resumed>) = 0 [pid 5071] ioctl(4, NBD_SET_SOCK, 5 [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... ioctl resumed>) = 0 [pid 5071] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5070] <... futex resumed>) = 0 [pid 5071] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5070] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 8 [pid 5071] write(8, "29", 2) = 2 [pid 5071] ioctl(7, NBD_DO_IT [pid 5070] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] exit_group(0) = ? [pid 5071] <... ioctl resumed>) = ? [pid 5071] +++ exited with 0 +++ [pid 5070] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x555556b185e0, 24) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5072] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5072] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5073], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5073 [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5073 attached [pid 5073] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5073] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5073] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 1 [pid 5073] 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 5073] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 1 [pid 5073] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5073] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 77.324770][ T5071] block nbd0: shutting down sockets [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 1 [pid 5073] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5073] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 1 [pid 5073] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 5073] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5072] <... futex resumed>) = 0 [pid 5073] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... futex resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... openat resumed>) = 7 [pid 5073] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5072] <... futex resumed>) = 0 [pid 5073] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... futex resumed>) = 0 [pid 5073] ioctl(4, NBD_SET_SOCK, 5 [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... ioctl resumed>) = 0 [pid 5073] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5072] <... futex resumed>) = 0 [pid 5073] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... futex resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5072] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... openat resumed>) = 8 [pid 5073] write(8, "29", 2) = 2 [pid 5073] ioctl(7, NBD_DO_IT [pid 5072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] exit_group(0) = ? [pid 5073] <... ioctl resumed>) = ? [pid 5073] +++ exited with 0 +++ [pid 5072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5074 ./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x555556b185e0, 24) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5074] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5075], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5075 [pid 5074] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5075] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5075] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 1 [pid 5075] 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 5075] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 1 [pid 5075] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5075] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 77.634283][ T5073] block nbd0: shutting down sockets [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 1 [pid 5075] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5075] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 1 [pid 5075] ioctl(4, NBD_SET_SOCK, 5 [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7f62ef9994fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef881000 [pid 5074] mprotect(0x7f62ef882000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] clone(child_stack=0x7f62ef8a13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5076], tls=0x7f62ef8a1700, child_tidptr=0x7f62ef8a19d0) = 5076 [pid 5074] futex(0x7f62ef9994f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f62ef9994fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x7f62ef8a19e0, 24) = 0 [pid 5076] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 5076] futex(0x7f62ef9994fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... ioctl resumed>) = 0 [pid 5075] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = 1 [pid 5075] ioctl(4, NBD_SET_SOCK, 5 [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... futex resumed>) = 1 [pid 5076] futex(0x7f62ef9994f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] <... ioctl resumed>) = 0 [pid 5075] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5075] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5074] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... openat resumed>) = 8 [pid 5075] write(8, "29", 2) = 2 [pid 5075] ioctl(7, NBD_DO_IT [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5074] exit_group(0 [pid 5076] <... futex resumed>) = ? [pid 5074] <... exit_group resumed>) = ? [pid 5076] +++ exited with 0 +++ [pid 5075] <... ioctl resumed>) = ? [pid 5075] +++ exited with 0 +++ [pid 5074] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5077] set_robust_list(0x555556b185e0, 24) = 0 [ 77.960808][ T5075] block nbd0: shutting down sockets [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5077] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5077] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5078], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5078 [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5078] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5078] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] 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 5078] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5078] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5078] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5078] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5078] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] <... futex resumed>) = 0 [pid 5078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] ioctl(4, NBD_SET_SOCK, 5 [pid 5077] <... futex resumed>) = 0 [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... ioctl resumed>) = 0 [pid 5078] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5078] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... openat resumed>) = 7 [pid 5078] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5078] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5078] ioctl(4, NBD_SET_SOCK, 5 [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... ioctl resumed>) = 0 [pid 5078] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5078] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5077] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... openat resumed>) = 8 [pid 5078] write(8, "29", 2) = 2 [ 78.129893][ T5078] FAULT_INJECTION: forcing a failure. [ 78.129893][ T5078] name failslab, interval 1, probability 0, space 0, times 0 [ 78.143023][ T5078] CPU: 1 PID: 5078 Comm: syz-executor140 Not tainted 6.2.0-rc1-syzkaller #0 [ 78.151725][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 78.163706][ T5078] Call Trace: [ 78.166999][ T5078] [ 78.169944][ T5078] dump_stack_lvl+0x1e3/0x2d0 [ 78.174647][ T5078] ? nf_tcp_handle_invalid+0x630/0x630 [ 78.180125][ T5078] ? panic+0x770/0x770 [ 78.184216][ T5078] ? __might_sleep+0xc0/0xc0 [ 78.188824][ T5078] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 78.194833][ T5078] should_fail_ex+0x3aa/0x4e0 [ 78.199533][ T5078] ? skb_clone+0x1e0/0x360 [ 78.203965][ T5078] should_failslab+0x5/0x20 [ 78.208481][ T5078] kmem_cache_alloc+0x69/0x350 [ 78.213261][ T5078] ? _raw_read_unlock_irqrestore+0xd9/0x130 [ 78.219182][ T5078] ? _raw_read_unlock+0x40/0x40 [ 78.224064][ T5078] skb_clone+0x1e0/0x360 [ 78.228323][ T5078] ? netlink_broadcast+0x65b/0x1170 [ 78.233546][ T5078] netlink_broadcast+0x669/0x1170 [ 78.238603][ T5078] ? alloc_uevent_skb+0xdd/0x220 [ 78.243573][ T5078] kobject_uevent_net_broadcast+0x385/0x570 [ 78.249497][ T5078] kobject_uevent_env+0x6b1/0x8e0 [ 78.254563][ T5078] nbd_set_size+0x3f3/0x490 [ 78.259089][ T5078] nbd_start_device_ioctl+0xa7/0x5c0 [ 78.264390][ T5078] ? nbd_ioctl+0xd7/0x5b0 [ 78.268738][ T5078] ? nbd_set_size+0x490/0x490 [ 78.273445][ T5078] ? safesetid_security_capable+0xab/0x1b0 [ 78.279277][ T5078] ? bpf_lsm_capable+0x5/0x10 [ 78.284009][ T5078] nbd_ioctl+0x28c/0x5b0 [ 78.288273][ T5078] ? nbd_release+0x130/0x130 [ 78.292894][ T5078] blkdev_ioctl+0x3c9/0x7c0 [ 78.297423][ T5078] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 78.302909][ T5078] ? bpf_lsm_file_ioctl+0x5/0x10 [ 78.307868][ T5078] ? security_file_ioctl+0x9d/0xb0 [ 78.313004][ T5078] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 78.318481][ T5078] __se_sys_ioctl+0xfb/0x170 [ 78.323101][ T5078] do_syscall_64+0x2b/0x70 [ 78.327545][ T5078] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 78.333457][ T5078] RIP: 0033:0x7f62ef915319 [ 78.337978][ T5078] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.357608][ T5078] RSP: 002b:00007f62ef8c22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.366048][ T5078] RAX: ffffffffffffffda RBX: 00007f62ef9994e0 RCX: 00007f62ef915319 [pid 5078] ioctl(7, NBD_DO_IT [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5077] exit_group(0) = ? [pid 5078] <... ioctl resumed>) = ? [pid 5078] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [ 78.374042][ T5078] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 78.382029][ T5078] RBP: 00007f62ef966194 R08: 0000000000000002 R09: 0000000000003932 [ 78.390014][ T5078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62ef9994ec [ 78.398000][ T5078] R13: 00007f62ef8c22f0 R14: 00007f62ef9994e8 R15: 0000000000000002 [ 78.406010][ T5078] [ 78.410432][ T5078] block nbd0: shutting down sockets --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x555556b185e0, 24) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1000", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5079] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5079] clone(child_stack=0x7f62ef8c23f0, 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 5080 attached , parent_tid=[5080], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5080 [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] set_robust_list(0x7f62ef8c29e0, 24 [pid 5079] <... futex resumed>) = 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5080] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 1 [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] 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 5080] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 1 [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5080] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 1 [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5079] <... futex resumed>) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... socketpair resumed>[5, 6]) = 0 [pid 5080] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5079] <... futex resumed>) = 0 [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] ioctl(4, NBD_SET_SOCK, 5 [pid 5079] <... futex resumed>) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... ioctl resumed>) = 0 [pid 5080] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5079] <... futex resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... openat resumed>) = 7 [pid 5079] <... futex resumed>) = 0 [pid 5080] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 0 [pid 5079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 5080] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 1 [pid 5079] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 8 [pid 5080] write(8, "29", 2) = 2 [pid 5080] ioctl(7, NBD_DO_IT [pid 5079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] exit_group(0) = ? [pid 5080] <... ioctl resumed>) = ? [pid 5080] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5081 ./strace-static-x86_64: Process 5081 attached [pid 5081] set_robust_list(0x555556b185e0, 24) = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5081] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5081] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5082], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5082 [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 78.735269][ T5080] block nbd0: shutting down sockets [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5082] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5082] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5082] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5082] 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 5082] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5082] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5082] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5082] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5082] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5082] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] ioctl(4, NBD_SET_SOCK, 5) = 0 [pid 5082] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5081] <... futex resumed>) = 0 [pid 5082] <... openat resumed>) = 7 [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... futex resumed>) = 0 [pid 5082] ioctl(4, NBD_SET_SOCK, 5 [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... ioctl resumed>) = 0 [pid 5082] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5081] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... openat resumed>) = 8 [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] write(8, "29", 2) = 2 [pid 5082] ioctl(7, NBD_DO_IT [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] exit_group(0) = ? [pid 5082] <... ioctl resumed>) = ? [pid 5082] +++ exited with 0 +++ [pid 5081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5083 ./strace-static-x86_64: Process 5083 attached [pid 5083] set_robust_list(0x555556b185e0, 24) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [ 79.067094][ T5082] block nbd0: shutting down sockets [pid 5083] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5083] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5084], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5084 [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5084 attached [pid 5084] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5084] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5084] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5084] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = 0 [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5084] 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 5084] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5084] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5084] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... futex resumed>) = 0 [pid 5084] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5084] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... socketpair resumed>[5, 6]) = 0 [pid 5084] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5084] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] ioctl(4, NBD_SET_SOCK, 5 [pid 5083] <... futex resumed>) = 0 [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... ioctl resumed>) = 0 [pid 5084] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5084] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... openat resumed>) = 7 [pid 5084] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5084] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5084] ioctl(4, NBD_SET_SOCK, 5 [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... ioctl resumed>) = 0 [pid 5084] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5084] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5083] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... openat resumed>) = 8 [pid 5084] write(8, "29", 2) = 2 [pid 5084] ioctl(7, NBD_DO_IT [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] exit_group(0) = ? [pid 5084] <... ioctl resumed>) = ? [pid 5084] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b185d0) = 5085 ./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x555556b185e0, 24) = 0 [ 79.400071][ T5084] block nbd0: shutting down sockets [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef8a2000 [pid 5085] mprotect(0x7f62ef8a3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5085] clone(child_stack=0x7f62ef8c23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5086], tls=0x7f62ef8c2700, child_tidptr=0x7f62ef8c29d0) = 5086 ./strace-static-x86_64: Process 5086 attached [pid 5085] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] set_robust_list(0x7f62ef8c29e0, 24) = 0 [pid 5086] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3 [pid 5086] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] 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 5086] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5086] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... futex resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 4 [pid 5086] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5086] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5085] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... socketpair resumed>[5, 6]) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5086] ioctl(4, NBD_SET_SOCK, 5 [pid 5085] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5085] futex(0x7f62ef9994fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62ef881000 [pid 5085] mprotect(0x7f62ef882000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5085] clone(child_stack=0x7f62ef8a13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5087], tls=0x7f62ef8a1700, child_tidptr=0x7f62ef8a19d0) = 5087 [pid 5085] futex(0x7f62ef9994f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f62ef9994fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5087 attached [pid 5087] set_robust_list(0x7f62ef8a19e0, 24) = 0 [pid 5087] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 7 [pid 5087] futex(0x7f62ef9994fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f62ef9994f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f62ef9994fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] ioctl(4, NBD_SET_SOCK, 5 [pid 5086] <... ioctl resumed>) = 0 [pid 5086] futex(0x7f62ef9994ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5086] futex(0x7f62ef9994e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5085] futex(0x7f62ef9994e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5086] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5085] futex(0x7f62ef9994ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... openat resumed>) = 8 [pid 5086] write(8, "29", 2) = 2 [pid 5086] ioctl(7, NBD_DO_IT [pid 5087] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5087] futex(0x7f62ef9994fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 79.578522][ T5087] block nbd0: Device being setup by another task [pid 5087] futex(0x7f62ef9994f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 79.634263][ T5086] ------------[ cut here ]------------ [ 79.641639][ T5086] kernfs: can not remove 'nr_tags', no directory [ 79.649063][ T5086] WARNING: CPU: 1 PID: 5086 at fs/kernfs/dir.c:1652 kernfs_remove_by_name_ns+0xf5/0x150 [ 79.661150][ T5086] Modules linked in: [ 79.665610][ T5086] CPU: 1 PID: 5086 Comm: syz-executor140 Not tainted 6.2.0-rc1-syzkaller #0 [ 79.675197][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 79.686121][ T5086] RIP: 0010:kernfs_remove_by_name_ns+0xf5/0x150 [ 79.693260][ T5086] Code: 48 89 df e8 5d ec ff ff 48 89 df e8 a5 97 ff ff 31 db eb 29 e8 cc 16 70 ff 48 c7 c7 c0 b9 20 8b 4c 89 e6 31 c0 e8 7b 69 36 ff <0f> 0b bb fe ff ff ff eb 12 e8 ad 16 70 ff bb fe ff ff ff 4c 89 f7 [ 79.713835][ T5086] RSP: 0018:ffffc90003c8f960 EFLAGS: 00010246 [ 79.720693][ T5086] RAX: b059897ffada6000 RBX: ffffffff8db38140 RCX: ffff88801ddc8000 [ 79.729554][ T5086] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 79.738098][ T5086] RBP: dffffc0000000000 R08: ffffffff81709fad R09: fffff52000791ee5 [ 79.747220][ T5086] R10: fffff52000791ee5 R11: 1ffff92000791ee4 R12: ffffffff8b676280 [ 79.756067][ T5086] R13: 0000000000000000 R14: ffffffff8b676220 R15: 0000000000000000 [ 79.764868][ T5086] FS: 00007f62ef8c2700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 79.774638][ T5086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.782045][ T5086] CR2: 00007f62ef947860 CR3: 00000000204dc000 CR4: 00000000003506e0 [ 79.790820][ T5086] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.799611][ T5086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.808150][ T5086] Call Trace: [ 79.812342][ T5086] [ 79.815844][ T5086] sysfs_remove_group+0x102/0x2b0 [ 79.821783][ T5086] sysfs_remove_groups+0x5b/0xb0 [ 79.827286][ T5086] __kobject_del+0x84/0x300 [ 79.832984][ T5086] kobject_del+0x41/0x60 [ 79.837801][ T5086] blk_mq_sysfs_unregister_hctxs+0x235/0x320 [ 79.844666][ T5086] ? blk_mq_sysfs_unregister+0x3a0/0x3a0 [ 79.851381][ T5086] ? mutex_lock_nested+0x17/0x20 [ 79.856884][ T5086] ? blk_mq_unfreeze_queue+0x71/0x100 [ 79.862755][ T5086] blk_mq_update_nr_hw_queues+0x647/0x13a0 [ 79.868995][ T5086] ? blk_mq_update_nr_requests+0x680/0x680 [ 79.874876][ T5086] ? do_raw_spin_unlock+0x134/0x8a0 [ 79.880637][ T5086] nbd_start_device+0x15d/0xb70 [ 79.885602][ T5086] nbd_start_device_ioctl+0xa7/0x5c0 [ 79.891337][ T5086] ? nbd_ioctl+0xd7/0x5b0 [ 79.895740][ T5086] ? nbd_set_size+0x490/0x490 [ 79.900934][ T5086] ? safesetid_security_capable+0xab/0x1b0 [ 79.906870][ T5086] ? bpf_lsm_capable+0x5/0x10 [ 79.912016][ T5086] nbd_ioctl+0x28c/0x5b0 [ 79.916331][ T5086] ? nbd_release+0x130/0x130 [ 79.921389][ T5086] blkdev_ioctl+0x3c9/0x7c0 [ 79.925990][ T5086] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [pid 5085] exit_group(0) = ? [pid 5087] <... futex resumed>) = ? [pid 5087] +++ exited with 0 +++ [ 79.931921][ T5086] ? bpf_lsm_file_ioctl+0x5/0x10 [ 79.936939][ T5086] ? security_file_ioctl+0x9d/0xb0 [ 79.942731][ T5086] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 79.948361][ T5086] __se_sys_ioctl+0xfb/0x170 [ 79.953410][ T5086] do_syscall_64+0x2b/0x70 [ 79.959334][ T5086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 79.965773][ T5086] RIP: 0033:0x7f62ef915319 [ 79.970876][ T5086] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.990972][ T5086] RSP: 002b:00007f62ef8c22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.999862][ T5086] RAX: ffffffffffffffda RBX: 00007f62ef9994e0 RCX: 00007f62ef915319 [ 80.007912][ T5086] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 80.016435][ T5086] RBP: 00007f62ef966194 R08: 0000000000000002 R09: 0000000000003932 [ 80.024854][ T5086] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62ef9994ec [ 80.033181][ T5086] R13: 00007f62ef8c22f0 R14: 00007f62ef9994e8 R15: 0000000000000002 [ 80.041611][ T5086] [ 80.044719][ T5086] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 80.052018][ T5086] CPU: 1 PID: 5086 Comm: syz-executor140 Not tainted 6.2.0-rc1-syzkaller #0 [ 80.060709][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 80.070778][ T5086] Call Trace: [ 80.074075][ T5086] [ 80.077019][ T5086] dump_stack_lvl+0x1e3/0x2d0 [ 80.081730][ T5086] ? nf_tcp_handle_invalid+0x630/0x630 [ 80.087249][ T5086] ? panic+0x770/0x770 [ 80.091363][ T5086] ? vscnprintf+0x59/0x80 [ 80.095731][ T5086] ? kernfs_remove_by_name_ns+0xc0/0x150 [ 80.101396][ T5086] panic+0x316/0x770 [ 80.105318][ T5086] ? __warn+0x16d/0x2d0 [ 80.109495][ T5086] ? memcpy_page_flushcache+0x100/0x100 [ 80.115079][ T5086] ? kernfs_remove_by_name_ns+0xf5/0x150 [ 80.120744][ T5086] __warn+0x284/0x2d0 [ 80.124749][ T5086] ? kernfs_remove_by_name_ns+0xf5/0x150 [ 80.130405][ T5086] report_bug+0x1b3/0x2d0 [ 80.134764][ T5086] handle_bug+0x3d/0x70 [ 80.138941][ T5086] exc_invalid_op+0x16/0x40 [ 80.143464][ T5086] asm_exc_invalid_op+0x16/0x20 [ 80.148335][ T5086] RIP: 0010:kernfs_remove_by_name_ns+0xf5/0x150 [ 80.154603][ T5086] Code: 48 89 df e8 5d ec ff ff 48 89 df e8 a5 97 ff ff 31 db eb 29 e8 cc 16 70 ff 48 c7 c7 c0 b9 20 8b 4c 89 e6 31 c0 e8 7b 69 36 ff <0f> 0b bb fe ff ff ff eb 12 e8 ad 16 70 ff bb fe ff ff ff 4c 89 f7 [ 80.174231][ T5086] RSP: 0018:ffffc90003c8f960 EFLAGS: 00010246 [ 80.180325][ T5086] RAX: b059897ffada6000 RBX: ffffffff8db38140 RCX: ffff88801ddc8000 [ 80.188315][ T5086] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 80.196309][ T5086] RBP: dffffc0000000000 R08: ffffffff81709fad R09: fffff52000791ee5 [ 80.204298][ T5086] R10: fffff52000791ee5 R11: 1ffff92000791ee4 R12: ffffffff8b676280 [ 80.212288][ T5086] R13: 0000000000000000 R14: ffffffff8b676220 R15: 0000000000000000 [ 80.220293][ T5086] ? __wake_up_klogd+0xcd/0x100 [ 80.225188][ T5086] sysfs_remove_group+0x102/0x2b0 [ 80.230237][ T5086] sysfs_remove_groups+0x5b/0xb0 [ 80.235197][ T5086] __kobject_del+0x84/0x300 [ 80.239738][ T5086] kobject_del+0x41/0x60 [ 80.244005][ T5086] blk_mq_sysfs_unregister_hctxs+0x235/0x320 [ 80.250014][ T5086] ? blk_mq_sysfs_unregister+0x3a0/0x3a0 [ 80.255673][ T5086] ? mutex_lock_nested+0x17/0x20 [ 80.260636][ T5086] ? blk_mq_unfreeze_queue+0x71/0x100 [ 80.266035][ T5086] blk_mq_update_nr_hw_queues+0x647/0x13a0 [ 80.271878][ T5086] ? blk_mq_update_nr_requests+0x680/0x680 [ 80.277711][ T5086] ? do_raw_spin_unlock+0x134/0x8a0 [ 80.282940][ T5086] nbd_start_device+0x15d/0xb70 [ 80.287832][ T5086] nbd_start_device_ioctl+0xa7/0x5c0 [ 80.293137][ T5086] ? nbd_ioctl+0xd7/0x5b0 [ 80.297486][ T5086] ? nbd_set_size+0x490/0x490 [ 80.302185][ T5086] ? safesetid_security_capable+0xab/0x1b0 [ 80.308017][ T5086] ? bpf_lsm_capable+0x5/0x10 [ 80.312730][ T5086] nbd_ioctl+0x28c/0x5b0 [ 80.316990][ T5086] ? nbd_release+0x130/0x130 [ 80.321609][ T5086] blkdev_ioctl+0x3c9/0x7c0 [ 80.326139][ T5086] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 80.331628][ T5086] ? bpf_lsm_file_ioctl+0x5/0x10 [ 80.336593][ T5086] ? security_file_ioctl+0x9d/0xb0 [ 80.341732][ T5086] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 80.347212][ T5086] __se_sys_ioctl+0xfb/0x170 [ 80.351828][ T5086] do_syscall_64+0x2b/0x70 [ 80.356264][ T5086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 80.362181][ T5086] RIP: 0033:0x7f62ef915319 [ 80.366613][ T5086] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 80.386245][ T5086] RSP: 002b:00007f62ef8c22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.394703][ T5086] RAX: ffffffffffffffda RBX: 00007f62ef9994e0 RCX: 00007f62ef915319 [ 80.402713][ T5086] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 80.410719][ T5086] RBP: 00007f62ef966194 R08: 0000000000000002 R09: 0000000000003932 [ 80.418716][ T5086] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62ef9994ec [ 80.426716][ T5086] R13: 00007f62ef8c22f0 R14: 00007f62ef9994e8 R15: 0000000000000002 [ 80.434737][ T5086] [ 80.437833][ T5086] Kernel Offset: disabled [ 80.442240][ T5086] Rebooting in 86400 seconds..