Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. executing program [ 408.003490][ T3534] nbd0: detected capacity change from 0 to 131072 [ 408.121264][ T146] block nbd0: Receive control failed (result -104) [ 408.128933][ T3531] block nbd0: shutting down sockets [ 408.135182][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.146080][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 408.153979][ T3533] ldm_validate_partition_table(): Disk read failed. [ 408.160669][ T3533] Dev nbd0: unable to read RDB block 0 executing program [ 408.166266][ T3533] nbd0: unable to read partition table [ 408.171973][ T3533] nbd0: partition table beyond EOD, truncated [ 408.293304][ T3537] nbd0: detected capacity change from 0 to 131072 [ 408.413821][ T146] block nbd0: Receive control failed (result -104) [ 408.414176][ T3536] block nbd0: shutting down sockets [ 408.426249][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.437247][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 408.445281][ T3533] ldm_validate_partition_table(): Disk read failed. [ 408.452230][ T3533] Dev nbd0: unable to read RDB block 0 [ 408.457687][ T3533] nbd0: unable to read partition table executing program [ 408.463404][ T3533] nbd0: partition table beyond EOD, truncated [ 408.577081][ T3539] nbd0: detected capacity change from 0 to 131072 [ 408.695542][ T146] block nbd0: Receive control failed (result -104) [ 408.695866][ T3540] block nbd0: shutting down sockets [ 408.707938][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.718755][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 408.726581][ T3533] ldm_validate_partition_table(): Disk read failed. [ 408.733314][ T3533] Dev nbd0: unable to read RDB block 0 [ 408.738774][ T3533] nbd0: unable to read partition table executing program [ 408.744402][ T3533] nbd0: partition table beyond EOD, truncated [ 408.853380][ T3543] nbd0: detected capacity change from 0 to 131072 [ 408.971552][ T146] block nbd0: Receive control failed (result -104) [ 408.971841][ T3542] block nbd0: shutting down sockets [ 408.984194][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.994984][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 409.002794][ T3533] ldm_validate_partition_table(): Disk read failed. [ 409.009382][ T3533] Dev nbd0: unable to read RDB block 0 [ 409.014916][ T3533] nbd0: unable to read partition table executing program [ 409.020508][ T3533] nbd0: partition table beyond EOD, truncated [ 409.133498][ T3546] nbd0: detected capacity change from 0 to 131072 [ 409.251518][ T146] block nbd0: Receive control failed (result -104) [ 439.762066][ T150] block nbd0: Possible stuck request ffff88801b3a8400: control (read@0,4096B). Runtime 30 seconds [ 469.213730][ T2961] udevd[2961]: worker [3533] /devices/virtual/block/nbd0 is taking a long time [ 469.842026][ T150] block nbd0: Possible stuck request ffff88801b3a8400: control (read@0,4096B). Runtime 60 seconds [ 499.922000][ T150] block nbd0: Possible stuck request ffff88801b3a8400: control (read@0,4096B). Runtime 90 seconds [ 530.002006][ T150] block nbd0: Possible stuck request ffff88801b3a8400: control (read@0,4096B). Runtime 120 seconds [ 560.081951][ T150] block nbd0: Possible stuck request ffff88801b3a8400: control (read@0,4096B). Runtime 150 seconds [ 572.882033][ T27] INFO: task udevd:3533 blocked for more than 143 seconds. [ 572.889326][ T27] Not tainted 5.15.117-syzkaller #0 [ 572.895178][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.903998][ T27] task:udevd state:D stack:24056 pid: 3533 ppid: 2961 flags:0x00004002 [ 572.913240][ T27] Call Trace: [ 572.916517][ T27] [ 572.919436][ T27] __schedule+0x12c4/0x4590 [ 572.924161][ T27] ? __sched_text_start+0x8/0x8 [ 572.929024][ T27] ? preempt_schedule+0xd9/0xe0 [ 572.933898][ T27] ? __sched_text_start+0x8/0x8 [ 572.938746][ T27] ? preempt_schedule+0xd9/0xe0 [ 572.943640][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 572.949271][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 572.955354][ T27] ? print_irqtrace_events+0x210/0x210 [ 572.960811][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 572.965970][ T27] schedule+0x11b/0x1f0 [ 572.970124][ T27] io_schedule+0x88/0x100 [ 572.974475][ T27] wait_on_page_bit_common+0xa13/0x1180 [ 572.980090][ T27] ? wait_on_page_bit+0x50/0x50 [ 572.984982][ T27] ? blkdev_fallocate+0x3d0/0x3d0 [ 572.990108][ T27] ? rcu_lock_release+0x20/0x20 [ 572.995012][ T27] ? vsnprintf+0x1c70/0x1c70 [ 572.999641][ T27] do_read_cache_page+0x9c1/0x1040 [ 573.004810][ T27] read_part_sector+0xd8/0x530 [ 573.009680][ T27] adfspart_check_ICS+0xd9/0xd00 [ 573.014645][ T27] ? ptr_to_hashval+0x60/0x60 [ 573.019329][ T27] ? adfspart_check_ADFS+0x8b0/0x8b0 [ 573.024653][ T27] ? snprintf+0xd6/0x120 [ 573.028900][ T27] ? __rmqueue_pcplist+0x2030/0x2030 [ 573.034263][ T27] ? __vmalloc_node_range+0x6aa/0x8c0 [ 573.039633][ T27] ? vsnprintf+0x1b8c/0x1c70 [ 573.044320][ T27] ? vsnprintf+0x191/0x1c70 [ 573.048826][ T27] ? vscnprintf+0x80/0x80 [ 573.053179][ T27] ? alloc_pages+0x458/0x570 [ 573.057833][ T27] bdev_disk_changed+0x982/0x1760 [ 573.062908][ T27] ? blk_drop_partitions+0x1b0/0x1b0 [ 573.068204][ T27] ? iput+0x371/0x8b0 [ 573.072256][ T27] blkdev_get_whole+0x2fb/0x390 [ 573.077106][ T27] blkdev_get_by_dev+0x2b2/0xa50 [ 573.082086][ T27] blkdev_open+0x138/0x2d0 [ 573.086499][ T27] ? block_ioctl+0xf0/0xf0 [ 573.090892][ T27] do_dentry_open+0x807/0xfb0 [ 573.095765][ T27] path_openat+0x2702/0x2f20 [ 573.100399][ T27] ? validate_chain+0x112/0x58b0 [ 573.105381][ T27] ? mark_lock+0x98/0x340 [ 573.109715][ T27] ? do_filp_open+0x460/0x460 [ 573.114425][ T27] do_filp_open+0x21c/0x460 [ 573.118930][ T27] ? vfs_tmpfile+0x2e0/0x2e0 [ 573.123652][ T27] ? _raw_spin_unlock+0x24/0x40 [ 573.128511][ T27] ? alloc_fd+0x594/0x630 [ 573.132935][ T27] do_sys_openat2+0x13b/0x500 [ 573.137614][ T27] ? read_lock_is_recursive+0x10/0x10 [ 573.143030][ T27] ? do_sys_open+0x220/0x220 [ 573.147617][ T27] ? __fdget+0x158/0x220 [ 573.151888][ T27] __x64_sys_openat+0x243/0x290 [ 573.156742][ T27] ? __ia32_sys_open+0x270/0x270 [ 573.161666][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 573.167776][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 573.172993][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 573.178962][ T27] do_syscall_64+0x3d/0xb0 [ 573.183404][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.189290][ T27] RIP: 0033:0x7fc5ee69d9a4 [ 573.193765][ T27] RSP: 002b:00007fff310b5270 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 573.202399][ T27] RAX: ffffffffffffffda RBX: 000055e4cb506e20 RCX: 00007fc5ee69d9a4 [ 573.211266][ T27] RDX: 00000000000a0800 RSI: 000055e4cb4e1610 RDI: 00000000ffffff9c [ 573.219265][ T27] RBP: 000055e4cb4e1610 R08: 0000000000000001 R09: 0000000000000000 [ 573.227363][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 573.235352][ T27] R13: 000055e4cb4f55a0 R14: 0000000000000001 R15: 000055e4cb4e0910 [ 573.243362][ T27] [ 573.246382][ T27] INFO: task syz-executor373:3545 blocked for more than 143 seconds. [ 573.254460][ T27] Not tainted 5.15.117-syzkaller #0 [ 573.260177][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.268871][ T27] task:syz-executor373 state:D stack:25600 pid: 3545 ppid: 3529 flags:0x00004006 [ 573.278097][ T27] Call Trace: [ 573.281368][ T27] [ 573.284514][ T27] __schedule+0x12c4/0x4590 [ 573.289045][ T27] ? __sched_text_start+0x8/0x8 [ 573.294005][ T27] ? __mutex_trylock_common+0x8d/0x2e0 [ 573.299463][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.304795][ T27] schedule+0x11b/0x1f0 [ 573.308988][ T27] schedule_preempt_disabled+0xf/0x20 [ 573.314376][ T27] __mutex_lock_common+0xe34/0x25a0 [ 573.319578][ T27] ? blkdev_put+0xfb/0x790 [ 573.324040][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 573.329255][ T27] mutex_lock_nested+0x17/0x20 [ 573.334035][ T27] blkdev_put+0xfb/0x790 [ 573.338276][ T27] ? __rwlock_init+0x140/0x140 [ 573.343082][ T27] blkdev_close+0x7c/0xa0 [ 573.347405][ T27] ? blkdev_open+0x2d0/0x2d0 [ 573.352009][ T27] __fput+0x3bf/0x890 [ 573.356003][ T27] task_work_run+0x129/0x1a0 [ 573.360653][ T27] get_signal+0x143a/0x14e0 [ 573.365325][ T27] ? nbd_ioctl+0xb60/0xe10 [ 573.369915][ T27] ? kasan_save_stack+0x4d/0x60 [ 573.374816][ T27] ? kasan_save_stack+0x36/0x60 [ 573.379660][ T27] ? kasan_record_aux_stack+0xba/0x100 [ 573.385150][ T27] ? task_work_add+0x2f/0x1d0 [ 573.389837][ T27] arch_do_signal_or_restart+0xc3/0x1890 [ 573.395593][ T27] ? get_sigframe_size+0x10/0x10 [ 573.400570][ T27] ? kick_process+0xd8/0x150 [ 573.405273][ T27] ? exit_to_user_mode_loop+0x39/0x130 [ 573.410762][ T27] exit_to_user_mode_loop+0x97/0x130 [ 573.416072][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 573.421638][ T27] syscall_exit_to_user_mode+0x5d/0x250 [ 573.427226][ T27] do_syscall_64+0x49/0xb0 [ 573.431680][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.437595][ T27] RIP: 0033:0x7f64357c0249 [ 573.442040][ T27] RSP: 002b:00007f643576d308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 573.450435][ T27] RAX: 0000000000000000 RBX: 00007f6435844408 RCX: 00007f64357c0249 [ 573.458530][ T27] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 573.466566][ T27] RBP: 00007f6435844400 R08: 0000000000000000 R09: 0000000000000000 [ 573.474565][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f643584440c [ 573.482560][ T27] R13: 00007f64358111a4 R14: 64626e2f7665642f R15: 0000000000022000 [ 573.490526][ T27] [ 573.493570][ T27] [ 573.493570][ T27] Showing all locks held in the system: [ 573.501274][ T27] 1 lock held by khungtaskd/27: [ 573.506198][ T27] #0: ffffffff8c91c5e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 573.515654][ T27] 2 locks held by getty/3262: [ 573.520395][ T27] #0: ffff88802454f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 573.530261][ T27] #1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 [ 573.540468][ T27] 1 lock held by udevd/3533: [ 573.545089][ T27] #0: ffff88801b28f918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50 [ 573.555177][ T27] 1 lock held by syz-executor373/3545: [ 573.560618][ T27] #0: ffff88801b28f918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 [ 573.569952][ T27] [ 573.572289][ T27] ============================================= [ 573.572289][ T27] [ 573.580681][ T27] NMI backtrace for cpu 0 [ 573.584981][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.117-syzkaller #0 [ 573.592936][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 573.602968][ T27] Call Trace: [ 573.606227][ T27] [ 573.609135][ T27] dump_stack_lvl+0x1e3/0x2cb [ 573.613790][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.619397][ T27] ? panic+0x84d/0x84d [ 573.623442][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 573.628587][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 573.633497][ T27] ? __wake_up_klogd+0xd5/0x100 [ 573.638332][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 573.644458][ T27] ? _printk+0xd1/0x111 [ 573.648589][ T27] ? panic+0x84d/0x84d [ 573.652630][ T27] ? __wake_up_klogd+0xcc/0x100 [ 573.657456][ T27] ? panic+0x84d/0x84d [ 573.661510][ T27] ? __rcu_read_unlock+0x92/0x100 [ 573.666549][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.672623][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 573.678580][ T27] watchdog+0xe72/0xeb0 [ 573.682735][ T27] kthread+0x3f6/0x4f0 [ 573.686779][ T27] ? hungtask_pm_notify+0x50/0x50 [ 573.691778][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.696356][ T27] ret_from_fork+0x1f/0x30 [ 573.700790][ T27] [ 573.703918][ T27] Sending NMI from CPU 0 to CPUs 1: [ 573.709143][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 573.710172][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 573.725645][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.117-syzkaller #0 [ 573.733595][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 573.743620][ T27] Call Trace: [ 573.746874][ T27] [ 573.749779][ T27] dump_stack_lvl+0x1e3/0x2cb [ 573.754435][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.760042][ T27] ? panic+0x84d/0x84d [ 573.764087][ T27] panic+0x318/0x84d [ 573.767957][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 573.773564][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.779693][ T27] ? fb_is_primary_device+0xcc/0xcc [ 573.784863][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.790902][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.797029][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 573.803156][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 573.809287][ T27] watchdog+0xeb0/0xeb0 [ 573.813427][ T27] kthread+0x3f6/0x4f0 [ 573.817471][ T27] ? hungtask_pm_notify+0x50/0x50 [ 573.822471][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.827035][ T27] ret_from_fork+0x1f/0x30 [ 573.831431][ T27] [ 573.834595][ T27] Kernel Offset: disabled [ 573.838903][ T27] Rebooting in 86400 seconds..