Warning: Permanently added '10.128.15.209' (ED25519) to the list of known hosts. executing program [ 407.038121][ T3529] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 407.044893][ T3529] vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless) [ 407.053460][ T3529] vhci_hcd vhci_hcd.0: Device attached [ 407.344660][ T1069] vhci_hcd: vhci_device speed not set [ 407.414369][ T1069] usb 9-1: new full-speed USB device number 2 using vhci_hcd [ 572.994402][ T27] INFO: task kworker/1:2:1069 blocked for more than 143 seconds. [ 573.002297][ T27] Not tainted 5.15.124-syzkaller #0 [ 573.008091][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.016912][ T27] task:kworker/1:2 state:D stack:24824 pid: 1069 ppid: 2 flags:0x00004000 [ 573.026157][ T27] Workqueue: usb_hub_wq hub_event [ 573.031346][ T27] Call Trace: [ 573.034692][ T27] [ 573.037639][ T27] __schedule+0x12c4/0x4590 [ 573.042216][ T27] ? do_raw_spin_lock+0x14a/0x370 [ 573.047314][ T27] ? mark_lock+0x98/0x340 [ 573.051662][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.057790][ T27] ? __sched_text_start+0x8/0x8 [ 573.062734][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.068362][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.073573][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 573.078874][ T27] schedule+0x11b/0x1f0 [ 573.083034][ T27] usb_kill_urb+0x1c9/0x300 [ 573.087569][ T27] ? usb_unlink_urb+0xa0/0xa0 [ 573.092283][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.097453][ T27] ? init_wait_entry+0xd0/0xd0 [ 573.102278][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.107776][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.113072][ T27] usb_start_wait_urb+0x1ac/0x510 [ 573.118145][ T27] ? usb_api_blocking_completion+0xa0/0xa0 [ 573.123969][ T27] usb_control_msg+0x2ad/0x4c0 [ 573.128990][ T27] ? usb_anchor_empty+0x40/0x40 [ 573.133969][ T27] ? kmem_cache_alloc_trace+0x143/0x290 [ 573.139715][ T27] ? hub_port_init+0x99c/0x23f0 [ 573.144722][ T27] hub_port_init+0xa05/0x23f0 [ 573.149640][ T27] hub_event+0x29ec/0x56d0 [ 573.154162][ T27] ? led_work+0x700/0x700 [ 573.158548][ T27] ? read_lock_is_recursive+0x10/0x10 [ 573.163927][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.169959][ T27] ? debug_mutex_wake_waiter+0xa0/0x320 [ 573.175530][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 573.181411][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.186640][ T27] process_one_work+0x8a1/0x10c0 [ 573.191630][ T27] ? worker_detach_from_pool+0x260/0x260 [ 573.197430][ T27] ? _raw_spin_lock_irqsave+0x120/0x120 [ 573.202976][ T27] ? kthread_data+0x4e/0xc0 [ 573.207530][ T27] ? wq_worker_running+0x97/0x170 [ 573.212639][ T27] worker_thread+0xaca/0x1280 [ 573.217370][ T27] kthread+0x3f6/0x4f0 [ 573.221529][ T27] ? rcu_lock_release+0x20/0x20 [ 573.226419][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.231009][ T27] ret_from_fork+0x1f/0x30 [ 573.235694][ T27] [ 573.238787][ T27] INFO: task syz-executor708:3529 blocked for more than 143 seconds. [ 573.246887][ T27] Not tainted 5.15.124-syzkaller #0 [ 573.252602][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.261310][ T27] task:syz-executor708 state:D stack:22904 pid: 3529 ppid: 3528 flags:0x00004006 [ 573.270540][ T27] Call Trace: [ 573.273804][ T27] [ 573.276753][ T27] __schedule+0x12c4/0x4590 [ 573.281272][ T27] ? __sched_text_start+0x8/0x8 [ 573.286156][ T27] ? __mutex_trylock_common+0x8d/0x2e0 [ 573.291619][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.296852][ T27] schedule+0x11b/0x1f0 [ 573.301007][ T27] schedule_preempt_disabled+0xf/0x20 [ 573.306440][ T27] __mutex_lock_common+0xe34/0x25a0 [ 573.311654][ T27] ? usbdev_release+0x76/0x7c0 [ 573.316530][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 573.321903][ T27] ? memset+0x1f/0x40 [ 573.325998][ T27] ? __fsnotify_update_child_dentry_flags+0x2a0/0x2a0 [ 573.333180][ T27] mutex_lock_nested+0x17/0x20 [ 573.338026][ T27] usbdev_release+0x76/0x7c0 [ 573.342633][ T27] ? ima_file_free+0xeb/0x3c0 [ 573.347524][ T27] ? usbdev_open+0x7a0/0x7a0 [ 573.352125][ T27] __fput+0x3bf/0x890 [ 573.356199][ T27] task_work_run+0x129/0x1a0 [ 573.360797][ T27] exit_to_user_mode_loop+0x106/0x130 [ 573.366420][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 573.371980][ T27] syscall_exit_to_user_mode+0x5d/0x250 [ 573.377574][ T27] do_syscall_64+0x49/0xb0 [ 573.382105][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.388185][ T27] RIP: 0033:0x7fd51bd5b0e0 [ 573.392600][ T27] RSP: 002b:00007fff20d08348 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 573.401132][ T27] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd51bd5b0e0 [ 573.409198][ T27] RDX: 0000000000000007 RSI: 00007fff20d07e80 RDI: 0000000000000003 [ 573.417288][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 573.425298][ T27] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240 [ 573.433385][ T27] R13: 00007fff20d085f8 R14: 0000000000000001 R15: 00007fff20d08390 [ 573.441584][ T27] [ 573.444642][ T27] [ 573.444642][ T27] Showing all locks held in the system: [ 573.452443][ T27] 1 lock held by khungtaskd/27: [ 573.457328][ T27] #0: ffffffff8c91e920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 573.466703][ T27] 5 locks held by kworker/1:2/1069: [ 573.471892][ T27] #0: ffff888016ec0d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 [ 573.482756][ T27] #1: ffffc900049efd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 [ 573.494138][ T27] #2: ffff88814789e220 (&dev->mutex){....}-{3:3}, at: hub_event+0x207/0x56d0 [ 573.503058][ T27] #3: ffff8881478b25c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2325/0x56d0 [ 573.513042][ T27] #4: ffff8881477db468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x235a/0x56d0 [ 573.522794][ T27] 2 locks held by getty/3256: [ 573.528035][ T27] #0: ffff888024f0b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 573.538003][ T27] #1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 573.548168][ T27] 1 lock held by syz-executor708/3529: [ 573.553611][ T27] #0: ffff88814789e220 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x76/0x7c0 [ 573.562801][ T27] [ 573.565142][ T27] ============================================= [ 573.565142][ T27] [ 573.573537][ T27] NMI backtrace for cpu 1 [ 573.577836][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.124-syzkaller #0 [ 573.585802][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 573.595834][ T27] Call Trace: [ 573.599281][ T27] [ 573.602192][ T27] dump_stack_lvl+0x1e3/0x2cb [ 573.606856][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.612466][ T27] ? panic+0x84d/0x84d [ 573.616530][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 573.621657][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 573.626578][ T27] ? __wake_up_klogd+0xd5/0x100 [ 573.631541][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 573.637759][ T27] ? _printk+0xd1/0x111 [ 573.641895][ T27] ? panic+0x84d/0x84d [ 573.645946][ T27] ? __wake_up_klogd+0xcc/0x100 [ 573.650791][ T27] ? panic+0x84d/0x84d [ 573.654852][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.660947][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 573.667107][ T27] watchdog+0xe72/0xeb0 [ 573.671311][ T27] kthread+0x3f6/0x4f0 [ 573.675365][ T27] ? hungtask_pm_notify+0x50/0x50 [ 573.680380][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.684960][ T27] ret_from_fork+0x1f/0x30 [ 573.689377][ T27] [ 573.692547][ T27] Sending NMI from CPU 1 to CPUs 0: [ 573.697824][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 573.704742][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 573.714326][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.124-syzkaller #0 [ 573.722314][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 573.732359][ T27] Call Trace: [ 573.735627][ T27] [ 573.738538][ T27] dump_stack_lvl+0x1e3/0x2cb [ 573.743197][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.748808][ T27] ? panic+0x84d/0x84d [ 573.752857][ T27] panic+0x318/0x84d [ 573.756727][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 573.762335][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.768469][ T27] ? fb_is_primary_device+0xcc/0xcc [ 573.773644][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.779688][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.785819][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 573.791955][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 573.798401][ T27] watchdog+0xeb0/0xeb0 [ 573.802552][ T27] kthread+0x3f6/0x4f0 [ 573.806600][ T27] ? hungtask_pm_notify+0x50/0x50 [ 573.811704][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.816295][ T27] ret_from_fork+0x1f/0x30 [ 573.820738][ T27] [ 573.823949][ T27] Kernel Offset: disabled [ 573.828260][ T27] Rebooting in 86400 seconds..