Warning: Permanently added '10.128.0.197' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   38.918805][   T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   39.158709][   T21] usb 1-1: Using ep0 maxpacket: 8
[   39.278791][   T21] usb 1-1: config 0 has an invalid interface number: 182 but max is 0
[   39.287078][   T21] usb 1-1: config 0 has no interface number 0
[   39.293219][   T21] usb 1-1: New USB device found, idVendor=1286, idProduct=2052, bcdDevice=61.43
[   39.302241][   T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   39.311303][   T21] usb 1-1: config 0 descriptor??
[   39.376275][   T21] usb 1-1: Direct firmware load for mrvl/usbusb8997_combo_v4.bin failed with error -2
[   39.385878][   T21] usb 1-1: Failed to get firmware mrvl/usbusb8997_combo_v4.bin
[   39.393559][   T21] usb 1-1: info: _mwifiex_fw_dpc: unregister device
[   39.400156][   T21] INFO: trying to register non-static key.
[   39.405934][   T21] the code is fine but needs lockdep annotation.
[   39.412230][   T21] turning off the locking correctness validator.
[   39.418523][   T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc1+ #10
[   39.425941][   T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.435975][   T21] Workqueue: events request_firmware_work_func
[   39.442097][   T21] Call Trace:
[   39.445367][   T21]  dump_stack+0xca/0x13e
[   39.449594][   T21]  register_lock_class+0x11ae/0x1240
[   39.454898][   T21]  ? is_dynamic_key+0x1b0/0x1b0
[   39.459721][   T21]  ? dev_printk_emit+0xba/0xf1
[   39.464555][   T21]  ? dev_vprintk_emit+0x541/0x541
[   39.469550][   T21]  __lock_acquire+0x11d/0x5340
[   39.474282][   T21]  ? ret_from_fork+0x24/0x30
[   39.478953][   T21]  ? __dev_printk+0x1db/0x203
[   39.483675][   T21]  ? mark_held_locks+0xe0/0xe0
[   39.488412][   T21]  ? _dev_notice+0x109/0x109
[   39.492973][   T21]  ? _request_firmware+0xa2f/0x1040
[   39.498264][   T21]  ? _cond_resched+0x10/0x20
[   39.502831][   T21]  ? usb_kill_urb+0x198/0x2c0
[   39.507501][   T21]  lock_acquire+0x100/0x2b0
[   39.511998][   T21]  ? try_to_del_timer_sync+0x110/0x110
[   39.517432][   T21]  del_timer_sync+0x3a/0x130
[   39.521992][   T21]  ? try_to_del_timer_sync+0x110/0x110
[   39.527442][   T21]  mwifiex_unregister_dev+0x416/0x690
[   39.532788][   T21]  _mwifiex_fw_dpc+0x577/0xda0
[   39.537536][   T21]  ? mwifiex_usb_prepare_tx_aggr_skb+0x8c0/0x8c0
[   39.543834][   T21]  ? mwifiex_add_card+0xcd0/0xcd0
[   39.548843][   T21]  ? __kasan_slab_free+0x145/0x180
[   39.553924][   T21]  ? _request_firmware+0xa2f/0x1040
[   39.559090][   T21]  ? kfree+0xd7/0x280
[   39.563047][   T21]  ? _request_firmware+0x104/0x1040
[   39.568312][   T21]  ? assign_fw+0x4f0/0x4f0
[   39.572805][   T21]  ? find_held_lock+0x2d/0x110
[   39.577540][   T21]  ? process_one_work+0x82c/0x1570
[   39.582623][   T21]  ? _mwifiex_fw_dpc+0xda0/0xda0
[   39.587529][   T21]  request_firmware_work_func+0x126/0x242
[   39.593222][   T21]  ? request_firmware_into_buf+0x90/0x90
[   39.598830][   T21]  process_one_work+0x905/0x1570
[   39.603805][   T21]  ? pwq_dec_nr_in_flight+0x310/0x310
[   39.609160][   T21]  ? do_raw_spin_lock+0x11a/0x280
[   39.614160][   T21]  worker_thread+0x96/0xe20
[   39.618646][   T21]  ? process_one_work+0x1570/0x1570
[   39.623814][   T21]  kthread+0x30b/0x410
[   39.627862][   T21]  ? kthread_park+0x1a0/0x1a0
[   39.632514][   T21]  ret_from_fork+0x24/0x30
[   39.637002][   T21] ------------[ cut here ]------------
[   39.639654][ T1736] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer]
[   39.642456][   T21] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
[   39.651157][ T1736] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes
[   39.660388][   T21] WARNING: CPU: 1 PID: 21 at lib/debugobjects.c:325 debug_print_object+0x160/0x250
[   39.668