INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   36.129903][   T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   36.369887][   T12] usb 1-1: Using ep0 maxpacket: 8
[   36.489952][   T12] usb 1-1: config 127 has an invalid interface number: 244 but max is 0
[   36.498624][   T12] usb 1-1: config 127 has no interface number 0
[   36.505015][   T12] usb 1-1: config 127 interface 244 has no altsetting 0
[   36.749939][   T12] usb 1-1: string descriptor 0 read error: -22
[   36.756354][   T12] usb 1-1: New USB device found, idVendor=1286, idProduct=2042, bcdDevice=fb.cd
[   36.765592][   T12] usb 1-1: New USB device strings: Mfr=255, Product=3, SerialNumber=3
[   36.816503][  T107] usb 1-1: Direct firmware load for mrvl/usb8766_uapsta.bin failed with error -2
[   36.826706][  T107] usb 1-1: Failed to get firmware mrvl/usb8766_uapsta.bin
[   36.835078][  T107] usb 1-1: info: _mwifiex_fw_dpc: unregister device
[   36.842247][  T107] INFO: trying to register non-static key.
[   36.848671][  T107] the code is fine but needs lockdep annotation.
[   36.855808][  T107] turning off the locking correctness validator.
[   36.863305][  T107] CPU: 0 PID: 107 Comm: kworker/0:2 Not tainted 5.2.0-rc6+ #13
[   36.871423][  T107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   36.883775][  T107] Workqueue: events request_firmware_work_func
[   36.891331][  T107] Call Trace:
[   36.894698][  T107]  dump_stack+0xca/0x13e
[   36.899973][  T107]  register_lock_class+0x11ae/0x1240
[   36.906133][  T107]  ? is_dynamic_key+0x1b0/0x1b0
[   36.910977][  T107]  ? dev_printk_emit+0xba/0xf1
[   36.916328][  T107]  ? dev_vprintk_emit+0x541/0x541
[   36.921772][  T107]  __lock_acquire+0x11d/0x5340
[   36.926694][  T107]  ? ret_from_fork+0x24/0x30
[   36.931503][  T107]  ? __dev_printk+0x1db/0x203
[   36.936327][  T107]  ? mark_held_locks+0xe0/0xe0
[   36.941312][  T107]  ? _dev_notice+0x109/0x109
[   36.945897][  T107]  ? _request_firmware+0xa2f/0x1040
[   36.951254][  T107]  ? _cond_resched+0x10/0x20
[   36.956323][  T107]  ? usb_kill_urb+0x198/0x2c0
[   36.961341][  T107]  lock_acquire+0x100/0x2b0
[   36.966259][  T107]  ? try_to_del_timer_sync+0x110/0x110
[   36.971878][  T107]  del_timer_sync+0x3a/0x130
[   36.977816][  T107]  ? try_to_del_timer_sync+0x110/0x110
[   36.983527][  T107]  mwifiex_unregister_dev+0x416/0x690
[   36.988994][  T107]  _mwifiex_fw_dpc+0x577/0xda0
[   36.990499][ T1724] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer]
[   36.993909][  T107]  ? mwifiex_usb_prepare_tx_aggr_skb+0x8c0/0x8c0
[   37.003647][ T1724] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes
[   37