Warning: Permanently added '10.128.0.251' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   23.494919][   T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   23.734436][   T83] usb 1-1: Using ep0 maxpacket: 16
[   23.854552][   T83] usb 1-1: config 0 contains an unexpected descriptor of type 0x2, skipping
[   23.863358][   T83] usb 1-1: New USB device found, idVendor=18cd, idProduct=cafe, bcdDevice=a0.ac
[   23.872938][   T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   23.882114][   T83] usb 1-1: config 0 descriptor??
[   23.926409][   T83] INFO: trying to register non-static key.
[   23.932427][   T83] the code is fine but needs lockdep annotation.
[   23.938741][   T83] turning off the locking correctness validator.
[   23.945166][   T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc3+ #0
[   23.952516][   T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   23.962657][   T83] Workqueue: usb_hub_wq hub_event
[   23.967673][   T83] Call Trace:
[   23.970958][   T83]  dump_stack+0xca/0x13e
[   23.975188][   T83]  register_lock_class+0x1022/0x11d0
[   23.980452][   T83]  ? stack_depot_save+0x252/0x440
[   23.985450][   T83]  ? is_dynamic_key+0x1b0/0x1b0
[   23.990289][   T83]  ? mark_lock+0xbc/0x1160
[   23.994690][   T83]  __lock_acquire+0xfc/0x3b60
[   23.999366][   T83]  ? skip_atoi+0xab/0xe0
[   24.003595][   T83]  ? put_dec+0xd0/0xd0
[   24.007655][   T83]  ? format_decode+0x230/0xad0
[   24.012501][   T83]  ? mark_held_locks+0xe0/0xe0
[   24.017241][   T83]  ? enable_ptr_key_workfn+0x30/0x30
[   24.022502][   T83]  ? uvc_probe+0x18e/0x64e4
[   24.027241][   T83]  ? really_probe+0x281/0x6d0
[   24.031903][   T83]  ? driver_probe_device+0x104/0x210
[   24.037170][   T83]  ? __device_attach_driver+0x1c2/0x220
[   24.042702][   T83]  ? bus_for_each_drv+0x162/0x1e0
[   24.047707][   T83]  ? __device_attach+0x217/0x360
[   24.052893][   T83]  lock_acquire+0x127/0x320
[   24.057388][   T83]  ? ida_destroy+0xb0/0x3a0
[   24.061869][   T83]  _raw_spin_lock_irqsave+0x32/0x50
[   24.067053][   T83]  ? ida_destroy+0xb0/0x3a0
[   24.071532][   T83]  ida_destroy+0xb0/0x3a0
[   24.075839][   T83]  ? refcount_sub_and_test_checked+0x130/0x1c0
[   24.081974][   T83]  ? ida_alloc_range+0x7f0/0x7f0
[   24.086884][   T83]  ? uvc_delete+0x21/0x2f0
[   24.091531][   T83]  ? kobject_put+0x78/0x280
[   24.096052][   T83]  media_device_cleanup+0x15/0x70
[   24.101049][   T83]  uvc_delete+0x8e/0x2f0
[   24.105280][   T83]  uvc_probe+0xf95/0x64e4
[   24.109611][   T83]  ? __lock_acquire+0x145e/0x3b60
[   24.114626][   T83]  ? mark_lock+0xbc/0x1160
[   24.119045][   T83]  ? mark_lock+0xbc/0x1160
[   24.123449][   T83]  ? usb_probe_interface+0x305/0x7a0
[   24.128708][   T83]  usb_probe_interface+0x305/0x7a0
[   24.133811][   T83]  ? usb_probe_device+0x100/0x100
[   24.138870][   T83]  really_probe+0x281/0x6d0
[   24.143352][   T83]  driver_probe_device+0x104/0x210
[   24.148450][   T83]  __device_attach_driver+0x1c2/0x220
[   24.153897][   T83]  ? driver_allows_async_probing+0x160/0x160
[   24.159940][   T83]  bus_for_each_drv+0x162/0x1e0
[   24.164854][   T83]  ? bus_rescan_devices+0x20/0x20
[   24.169853][   T83]  ? _raw_spin_unlock_irqrestore+0x3e/0x50
[   24.175722][   T83]  ? lockdep_hardirqs_on+0x382/0x580
[   24.180988][   T83]  __device_attach+0x217/0x360
[   24.185729][   T83]  ? device_bind_driver+0xd0/0xd0
[   24.190739][   T83]  ? kobject_uevent_env+0x29e/0x1150
[   24.196001][   T83]  ? kobject_uevent_env+0x2a8/0x1150
[   24.201269][   T83]  bus_probe_device+0x1e4/0x290
[   24.206101][   T83]  ? blocking_notifier_call_chain+0x54/0xa0
[   24.212093][   T83]  device_add+0xae6/0x16f0
[   24.216511][   T83]  ? uevent_store+0x50/0x50
[   24.220995][   T83]  ? _raw_spin_unlock_irqrestore+0x3e/0x50
[   24.232730][   T83]  usb_set_configuration+0xdf6/0x1670
[   24.238090][   T83]  generic_probe+0x9d/0xd5
[   24.242494][   T83]  usb_probe_device+0x99/0x100
[   24.247231][   T83]  ? usb_suspend+0x620/0x620
[   24.251794][   T83]  really_probe+0x281/0x6d0
[   24.256270][   T83]  driver_probe_device+0x104/0x210
[   24.261358][   T83]  __device_attach_driver+0x1c2/0x220
[   24.266794][   T83]  ? driver_allows_async_probing+0x160/0x160
[   24.272833][   T83]  bus_for_each_drv+0x162/0x1e0
[   24.277660][   T83]  ? bus_rescan_devices+0x20/0x20
[   24.282679][   T83]  ? _raw_spin_unlock_irqrestore+0x3e/0x50
[   24.288479][   T83]  ? lockdep_hardirqs_on+0x382/0x580
[   24.293746][   T83]  __device_attach+0x217/0x360
[   24.298488][   T83]  ? device_bind_driver+0xd0/0xd0
[   24.303488][   T83]  ? kobject_uevent_env+0x29e/0x1150
[   24.308749][   T83]  ? kobject_uevent_env+0x2a8/0x1150
[   24.314008][   T83]  bus_probe_device+0x1e4/0x290
[   24.319187][   T83]  ? blocking_notifier_call_chain+0x54/0xa0
[   24.325142][   T83]  device_add+0xae6/0x16f0
[   24.329530][   T83]  ? uevent_store+0x50/0x50
[   24.334027][   T83]  usb_new_device.cold+0x6a4/0xe79
[   24.339406][   T83]  hub_event+0x1dd0/0x37e0
[   24.343811][   T83]  ? hub_port_debounce+0x260/0x260
[   24.348910][   T83]  ? find_held_lock+0x2d/0x110
[   24.353656][   T83]  ? mark_held_locks+0xe0/0xe0
[   24.358421][   T83]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   24.363956][   T83]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   24.369302][   T83]  process_one_work+0x92b/0x1530
[   24.374213][   T83]  ? pwq_dec_nr_in_flight+0x310/0x3