Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. executing program [ 414.609410][ T3529] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 414.616033][ T3529] vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless) [ 414.624877][ T3529] vhci_hcd vhci_hcd.0: Device attached [ 414.901526][ T1064] vhci_hcd: vhci_device speed not set [ 414.970967][ T1064] usb 9-1: new full-speed USB device number 2 using vhci_hcd [ 574.291163][ T27] INFO: task kworker/1:2:1064 blocked for more than 143 seconds. [ 574.299311][ T27] Not tainted 5.15.153-syzkaller #0 [ 574.305154][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 574.313882][ T27] task:kworker/1:2 state:D stack:24792 pid: 1064 ppid: 2 flags:0x00004000 [ 574.323266][ T27] Workqueue: usb_hub_wq hub_event [ 574.328528][ T27] Call Trace: [ 574.331885][ T27] [ 574.334825][ T27] __schedule+0x12c4/0x45b0 [ 574.339381][ T27] ? do_raw_spin_lock+0x14a/0x370 [ 574.344618][ T27] ? mark_lock+0x98/0x340 [ 574.348948][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 574.354989][ T27] ? __sched_text_start+0x8/0x8 [ 574.359850][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 574.365085][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 574.370301][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 574.375575][ T27] schedule+0x11b/0x1f0 [ 574.379735][ T27] usb_kill_urb+0x1c9/0x300 [ 574.384285][ T27] ? usb_unlink_urb+0xa0/0xa0 [ 574.389225][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 574.394397][ T27] ? init_wait_entry+0xd0/0xd0 [ 574.399368][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 574.404603][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 574.409820][ T27] usb_start_wait_urb+0x1ac/0x510 [ 574.415071][ T27] ? usb_api_blocking_completion+0xa0/0xa0 [ 574.421016][ T27] usb_control_msg+0x2ad/0x4c0 [ 574.425817][ T27] ? usb_anchor_empty+0x40/0x40 [ 574.430736][ T27] ? kmem_cache_alloc_trace+0x143/0x290 [ 574.436382][ T27] ? hub_port_init+0x16d/0x27a0 [ 574.441284][ T27] hub_port_init+0xba4/0x27a0 [ 574.446094][ T27] ? _raw_spin_unlock+0x40/0x40 [ 574.451273][ T27] hub_event+0x28ed/0x54c0 [ 574.455797][ T27] ? led_work+0x700/0x700 [ 574.460409][ T27] ? read_lock_is_recursive+0x10/0x10 [ 574.466068][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 574.472200][ T27] ? rwsem_down_write_slowpath+0xc90/0x15c0 [ 574.478203][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 574.484275][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 574.489550][ T27] process_one_work+0x8a1/0x10c0 [ 574.494647][ T27] ? worker_detach_from_pool+0x260/0x260 [ 574.500301][ T27] ? _raw_spin_lock_irqsave+0x120/0x120 [ 574.505925][ T27] ? kthread_data+0x4e/0xc0 [ 574.510494][ T27] ? wq_worker_running+0x97/0x170 [ 574.516068][ T27] worker_thread+0xaca/0x1280 [ 574.520832][ T27] kthread+0x3f6/0x4f0 [ 574.524929][ T27] ? rcu_lock_release+0x20/0x20 [ 574.529897][ T27] ? kthread_blkcg+0xd0/0xd0 [ 574.534575][ T27] ret_from_fork+0x1f/0x30 [ 574.539029][ T27] [ 574.542301][ T27] INFO: task syz-executor206:3529 blocked for more than 143 seconds. [ 574.550543][ T27] Not tainted 5.15.153-syzkaller #0 [ 574.556370][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 574.565082][ T27] task:syz-executor206 state:D stack:25088 pid: 3529 ppid: 3528 flags:0x00004006 [ 574.574379][ T27] Call Trace: [ 574.577693][ T27] [ 574.580639][ T27] __schedule+0x12c4/0x45b0 [ 574.585257][ T27] ? __sched_text_start+0x8/0x8 [ 574.590128][ T27] ? __mutex_trylock_common+0x8d/0x2e0 [ 574.595871][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 574.601112][ T27] schedule+0x11b/0x1f0 [ 574.605383][ T27] schedule_preempt_disabled+0xf/0x20 [ 574.610946][ T27] __mutex_lock_common+0xe34/0x25a0 [ 574.616163][ T27] ? usbdev_release+0x76/0x7c0 [ 574.621043][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 574.626260][ T27] ? memset+0x1f/0x40 [ 574.630281][ T27] ? __fsnotify_update_child_dentry_flags+0x2a0/0x2a0 [ 574.637260][ T27] mutex_lock_nested+0x17/0x20 [ 574.642078][ T27] usbdev_release+0x76/0x7c0 [ 574.646685][ T27] ? ima_file_free+0xeb/0x3c0 [ 574.651506][ T27] ? usbdev_open+0x7a0/0x7a0 [ 574.656315][ T27] __fput+0x3bf/0x890 [ 574.660313][ T27] task_work_run+0x129/0x1a0 [ 574.665109][ T27] exit_to_user_mode_loop+0x106/0x130 [ 574.670503][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 574.676137][ T27] syscall_exit_to_user_mode+0x5d/0x250 [ 574.681712][ T27] do_syscall_64+0x49/0xb0 [ 574.686122][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 574.692189][ T27] RIP: 0033:0x7ff50881b0e0 [ 574.696629][ T27] RSP: 002b:00007ffd95e6b608 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 574.705078][ T27] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007ff50881b0e0 [ 574.713104][ T27] RDX: 0000000000000007 RSI: 00007ffd95e6b140 RDI: 0000000000000003 [ 574.721097][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 574.729064][ T27] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240 [ 574.737136][ T27] R13: 00007ffd95e6b8b8 R14: 0000000000000001 R15: 00007ffd95e6b650 [ 574.745276][ T27] [ 574.748404][ T27] [ 574.748404][ T27] Showing all locks held in the system: [ 574.756168][ T27] 1 lock held by khungtaskd/27: [ 574.761040][ T27] #0: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 574.770469][ T27] 5 locks held by kworker/1:2/1064: [ 574.775863][ T27] #0: ffff888016dc3138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 [ 574.786649][ T27] #1: ffffc900048efd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 [ 574.797960][ T27] #2: ffff888147dff220 (&dev->mutex){....}-{3:3}, at: hub_event+0x208/0x54c0 [ 574.807352][ T27] #3: ffff888147e435c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2238/0x54c0 [ 574.817749][ T27] #4: ffff888147d77e68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2260/0x54c0 [ 574.827596][ T27] 2 locks held by getty/3263: [ 574.832336][ T27] #0: ffff888023630098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 574.842185][ T27] #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 574.852339][ T27] 1 lock held by syz-executor206/3529: [ 574.857793][ T27] #0: ffff888147dff220 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x76/0x7c0 [ 574.867309][ T27] [ 574.869644][ T27] ============================================= [ 574.869644][ T27] [ 574.878325][ T27] NMI backtrace for cpu 0 [ 574.882767][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.153-syzkaller #0 [ 574.890846][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 574.900904][ T27] Call Trace: [ 574.904185][ T27] [ 574.907103][ T27] dump_stack_lvl+0x1e3/0x2cb [ 574.912150][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 574.917855][ T27] ? panic+0x84d/0x84d [ 574.921907][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 574.927104][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 574.932017][ T27] ? __wake_up_klogd+0xd5/0x100 [ 574.936878][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 574.943099][ T27] ? _printk+0xd1/0x111 [ 574.947261][ T27] ? panic+0x84d/0x84d [ 574.951323][ T27] ? __wake_up_klogd+0xcc/0x100 [ 574.956151][ T27] ? panic+0x84d/0x84d [ 574.960227][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 574.968141][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 574.974165][ T27] watchdog+0xe72/0xeb0 [ 574.978703][ T27] kthread+0x3f6/0x4f0 [ 574.982771][ T27] ? hungtask_pm_notify+0x50/0x50 [ 574.987798][ T27] ? kthread_blkcg+0xd0/0xd0 [ 574.992395][ T27] ret_from_fork+0x1f/0x30 [ 574.996797][ T27] [ 574.999937][ T27] Sending NMI from CPU 0 to CPUs 1: [ 575.005332][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 575.006275][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 575.021878][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.153-syzkaller #0 [ 575.029850][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 575.040099][ T27] Call Trace: [ 575.043556][ T27] [ 575.046491][ T27] dump_stack_lvl+0x1e3/0x2cb [ 575.051167][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 575.056788][ T27] ? panic+0x84d/0x84d [ 575.060848][ T27] panic+0x318/0x84d [ 575.064996][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 575.071148][ T27] ? fb_is_primary_device+0xcc/0xcc [ 575.076719][ T27] ? panic+0x84d/0x84d [ 575.081774][ T27] ? irq_work_queue+0xcd/0x150 [ 575.086654][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 575.093402][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 575.099750][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 575.106065][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0 [ 575.113375][ T27] watchdog+0xeb0/0xeb0 [ 575.117809][ T27] kthread+0x3f6/0x4f0 [ 575.122516][ T27] ? hungtask_pm_notify+0x50/0x50 [ 575.127660][ T27] ? kthread_blkcg+0xd0/0xd0 [ 575.132364][ T27] ret_from_fork+0x1f/0x30 [ 575.136796][ T27] [ 575.140436][ T27] Kernel Offset: disabled [ 575.144819][ T27] Rebooting in 86400 seconds..