[info] Using makefile-style concurrent boot in runlevel 2.
[   14.900348][    C1] random: crng init done
[....] 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 '10.128.10.59' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   36.298005][   T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd
[   36.697954][   T12] usb 1-1: unable to get BOS descriptor or descriptor too short
[   36.778004][   T12] usb 1-1: config 1 has an invalid interface number: 53 but max is 0
[   36.786793][   T12] usb 1-1: config 1 has an invalid interface association descriptor of length 2, skipping
[   36.797295][   T12] usb 1-1: config 1 has no interface number 0
[   36.803621][   T12] usb 1-1: config 1 interface 53 altsetting 128 endpoint 0x5 has invalid maxpacket 496, setting to 8
[   36.814908][   T12] usb 1-1: config 1 interface 53 altsetting 128 has an invalid endpoint with address 0x0, skipping
[   36.825943][   T12] usb 1-1: config 1 interface 53 altsetting 128 endpoint 0xA has invalid maxpacket 649, setting to 8
[   36.837300][   T12] usb 1-1: config 1 interface 53 altsetting 128 endpoint 0x3 has invalid maxpacket 64, setting to 8
[   36.848265][   T12] usb 1-1: config 1 interface 53 has no altsetting 0
[   37.087939][   T12] usb 1-1: string descriptor 0 read error: -22
[   37.094327][   T12] usb 1-1: New USB device found, idVendor=1286, idProduct=2044, bcdDevice=88.df
[   37.103500][   T12] usb 1-1: New USB device strings: Mfr=0, Product=3, SerialNumber=2
[   37.178263][  T101] usb 1-1: Direct firmware load for mrvl/usb8797_uapsta.bin failed with error -2
[   37.187804][  T101] usb 1-1: Failed to get firmware mrvl/usb8797_uapsta.bin
[   37.194931][  T101] usb 1-1: info: _mwifiex_fw_dpc: unregister device
[   37.202278][  T101] INFO: trying to register non-static key.
[   37.208078][  T101] the code is fine but needs lockdep annotation.
[   37.214713][  T101] turning off the locking correctness validator.
[   37.221140][  T101] CPU: 0 PID: 101 Comm: kworker/0:2 Not tainted 5.3.0-rc5+ #28
[   37.228665][  T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   37.239324][  T101] Workqueue: events request_firmware_work_func
[   37.245715][  T101] Call Trace:
[   37.249117][  T101]  dump_stack+0xca/0x13e
[   37.253401][  T101]  register_lock_class+0x1022/0x11d0
[   37.258687][  T101]  ? ret_from_fork+0x24/0x30
[   37.263268][  T101]  ? is_dynamic_key+0x1b0/0x1b0
[   37.268245][  T101]  ? stack_trace_save+0x9f/0xe0
[   37.273395][  T101]  __lock_acquire+0xfc/0x3b50
[   37.278073][  T101]  ? _dev_notice+0x109/0x109
[   37.282844][  T101]  ? kthread+0x318/0x420
[   37.287094][  T101]  ? mark_held_locks+0xe0/0xe0
[   37.291984][  T101]  ? _cond_resched+0x10/0x20
[   37.296838][  T101]  ? usb_kill_urb+0x198/0x2c0
[   37.302024][  T101]  lock_acquire+0x127/0x320
[   37.306596][  T101]  ? try_to_del_timer_sync+0x110/0x110
[   37.312135][  T101]  del_timer_sync+0x3a/0x130
[   37.316924][  T101]  ? try_to_del_timer_sync+0x110/0x110
[   37.322650][  T101]  mwifiex_unregister_dev+0x416/0x690
[   37.328189][  T101]  _mwifiex_fw_dpc+0x577/0xdb0
[   37.332978][  T101]  ? mwifiex_usb_prepare_tx_aggr_skb+0x8c0/0x8c0
[   37.339437][  T101]  ? mwifiex_drv_info_dump+0xf70/0xf70
[   37.344903][  T101]  ? _request_firmware+0x8eb/0x10c0
[   37.351117][  T101]  ? kfree+0xe4/0x2f0
[   37.355093][  T101]  ? _request_firmware+0x10b/0x10c0
[   37.360791][  T101]  ? assign_fw+0x4f0/0x4f0
[   37.365481][  T101]  ? find_held_lock+0x2d/0x110
[   37.370326][  T101]  ? mark_held_locks+0xe0/0xe0
[   37.376148][  T101]  ? _mwifiex_fw_dpc+0xdb0/0xdb0
[   37.381233][  T101]  request_firmware_work_func+0x126/0x242
[   37.387303][  T101]  ? request_firmware_into_buf+0x90/0x90
[   37.392952][  T101]  process_one_work+0x92b/0x1530
[   37.397885][  T101]  ? pwq_dec_nr_in_flight+0x310/0x310
[   37.403342][  T101]  ? do_raw_spin_lock+0x11a/0x280
[   37.408379][  T101]  worker_thread+0x96/0xe20
[   37.413148][  T101]  ? process_one_work+0x1530/0x1530
[   37.418968][  T101]  kthread+0x318/0x420
[   37.423154][  T101]  ? kthread_create_on_node+0xf0/0xf0
[   37.4285