[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[   13.255099][    C0] random: crng init done
[ 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 '10.128.1.2' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   38.822792][   T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd
[   39.182403][   T12] usb 1-1: config 0 has an invalid interface number: 98 but max is 0
[   39.190514][   T12] usb 1-1: config 0 has no interface number 0
[   39.196652][   T12] usb 1-1: config 0 interface 98 altsetting 0 has an invalid endpoint with address 0x80, skipping
[   39.207247][   T12] usb 1-1: config 0 interface 98 altsetting 0 endpoint 0x2 is Bulk; changing to Interrupt
[   39.217157][   T12] usb 1-1: New USB device found, idVendor=1286, idProduct=204a, bcdDevice=6d.1d
[   39.226222][   T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   39.235659][   T12] usb 1-1: config 0 descriptor??
[   39.277375][  T102] usb 1-1: Direct firmware load for mrvl/usb8801_uapsta.bin failed with error -2
[   39.286628][  T102] usb 1-1: Failed to get firmware mrvl/usb8801_uapsta.bin
[   39.293856][  T102] usb 1-1: info: _mwifiex_fw_dpc: unregister device
[   39.300423][  T102] INFO: trying to register non-static key.
[   39.306203][  T102] the code is fine but needs lockdep annotation.
[   39.312502][  T102] turning off the locking correctness validator.
[   39.318793][  T102] CPU: 0 PID: 102 Comm: kworker/0:2 Not tainted 5.3.0+ #0
[   39.325878][  T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.335908][  T102] Workqueue: events request_firmware_work_func
[   39.342027][  T102] Call Trace:
[   39.345282][  T102]  dump_stack+0xca/0x13e
[   39.349497][  T102]  register_lock_class+0x1022/0x11d0
[   39.354758][  T102]  ? is_dynamic_key+0x1b0/0x1b0
[   39.359616][  T102]  ? _raw_spin_unlock_irq+0x24/0x30
[   39.364780][  T102]  ? lockdep_hardirqs_on+0x382/0x580
[   39.370083][  T102]  __lock_acquire+0xfc/0x3eb0
[   39.374727][  T102]  ? __sched_text_start+0x8/0x8
[   39.379554][  T102]  ? mark_held_locks+0xe0/0xe0
[   39.384281][  T102]  ? _cond_resched+0x10/0x20
[   39.388834][  T102]  ? usb_kill_urb+0x198/0x2c0
[   39.393471][  T102]  lock_acquire+0x127/0x320
[   39.397935][  T102]  ? try_to_del_timer_sync+0x110/0x110
[   39.403371][  T102]  del_timer_sync+0x3a/0x130
[   39.407922][  T102]  ? try_to_del_timer_sync+0x110/0x110
[   39.413434][  T102]  mwifiex_unregister_dev+0x416/0x690
[   39.418771][  T102]  _mwifiex_fw_dpc+0x577/0xdb0
[   39.423532][  T102]  ? mwifiex_usb_prepare_tx_aggr_skb+0x8c0/0x8c0
[   39.429823][  T102]  ? mwifiex_drv_info_dump+0xf70/0xf70
[   39.435246][  T102]  ? _request_firmware+0x8eb/0x10c0
[   39.440425][  T102]  ? kfree+0xe4/0x2f0
[   39.444375][  T102]  ? _request_firmware+0x10b/0x10c0
[   39.449568][  T102]  ? assign_fw+0x4f0/0x4f0
[   39.453950][  T102]  ? find_held_lock+0x2d/0x110
[   39.458673][  T102]  ? mark_held_locks+0xe0/0xe0
[   39.463398][  T102]  ? _mwifiex_fw_dpc+0xdb0/0xdb0
[   39.468297][  T102]  request_firmware_work_func+0x126/0x242
[   39.473976][  T102]  ? request_firmware_into_buf+0x90/0x90
[   39.479574][  T102]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   39.485083][  T102]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   39.490464][  T102]  process_one_work+0x92b/0x1530
[   39.495365][  T102]  ? pwq_dec_nr_in_flight+0x310/0x310
[   39.500726][  T102]  ? do_raw_spin_lock+0x11a/0x280
[   39.505716][  T102]  worker_thread+0x96/0xe20
[   39.510185][  T102]  ? process_one_work+0x1530/0x1530
[   39.515471][  T102]  kthread+0x318/0x420
[   39.519507][  T102]  ? kthread_create_on_node+0xf0/0xf0
[   39.524844][  T102]  ret_from_fork+0x24/0