Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. [ 14.121774][ C1] random: crng init done [ 14.121800][ C1] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.358360][ T156] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.718113][ T156] usb 1-1: config 0 has an invalid interface number: 15 but max is 0 [ 24.726305][ T156] usb 1-1: config 0 has no interface number 0 [ 24.732912][ T156] usb 1-1: config 0 interface 15 altsetting 0 endpoint 0x8D has invalid wMaxPacketSize 0 [ 24.742839][ T156] usb 1-1: config 0 interface 15 altsetting 0 bulk endpoint 0x8D has invalid maxpacket 0 [ 24.752842][ T156] usb 1-1: New USB device found, idVendor=1286, idProduct=204a, bcdDevice=f2.a9 [ 24.761992][ T156] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.771773][ T156] usb 1-1: config 0 descriptor?? [ 24.858562][ T21] usb 1-1: Direct firmware load for mrvl/usb8801_uapsta.bin failed with error -2 [ 24.868017][ T21] usb 1-1: Failed to get firmware mrvl/usb8801_uapsta.bin [ 24.875201][ T21] usb 1-1: info: _mwifiex_fw_dpc: unregister device [ 24.885305][ T21] INFO: trying to register non-static key. [ 24.891141][ T21] the code is fine but needs lockdep annotation. [ 24.897455][ T21] turning off the locking correctness validator. [ 24.903780][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.7.0-rc6-syzkaller #0 [ 24.911903][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.921954][ T21] Workqueue: events request_firmware_work_func [ 24.928111][ T21] Call Trace: [ 24.931393][ T21] dump_stack+0xef/0x16e [ 24.935640][ T21] register_lock_class+0x1442/0x17e0 [ 24.940911][ T21] ? mark_lock+0x12b/0x1510 [ 24.945390][ T21] ? find_held_lock+0x2d/0x110 [ 24.950160][ T21] ? is_dynamic_key+0x1b0/0x1b0 [ 24.955084][ T21] ? print_usage_bug+0x200/0x200 [ 24.960060][ T21] ? lock_downgrade+0x720/0x720 [ 24.964887][ T21] __lock_acquire+0x104/0x6650 [ 24.969643][ T21] ? _raw_spin_unlock_irq+0x1f/0x30 [ 24.974826][ T21] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 24.980119][ T21] ? _raw_spin_unlock_irq+0x1f/0x30 [ 24.985314][ T21] ? finish_task_switch+0x11d/0x5d0 [ 24.990682][ T21] ? finish_task_switch+0xef/0x5d0 [ 24.995779][ T21] ? __switch_to+0x5bd/0xe90 [ 25.000366][ T21] ? mark_held_locks+0xe0/0xe0 [ 25.005165][ T21] ? __sched_text_start+0x8/0x8 [ 25.010096][ T21] lock_acquire+0x18b/0x7c0 [ 25.014599][ T21] ? try_to_del_timer_sync+0x110/0x110 [ 25.020034][ T21] ? lock_release+0x720/0x720 [ 25.024710][ T21] ? usb_poison_urb+0x2a0/0x2a0 [ 25.029558][ T21] ? _mwifiex_dbg+0xd9/0x130 [ 25.034122][ T21] ? mwifiex_rx_work_queue+0x430/0x430 [ 25.039564][ T21] del_timer_sync+0x3a/0x130 [ 25.044144][ T21] ? try_to_del_timer_sync+0x110/0x110 [ 25.049603][ T21] mwifiex_unregister_dev+0x416/0x690 [ 25.054953][ T21] _mwifiex_fw_dpc+0x732/0xe00 [ 25.059704][ T21] ? mwifiex_usb_prepare_tx_aggr_skb+0x8c0/0x8c0 [ 25.066036][ T21] ? mwifiex_drv_info_dump+0xf80/0xf80 [ 25.071476][ T21] ? _request_firmware+0x941/0x1240 [ 25.076669][ T21] ? kfree+0xd5/0x300 [ 25.080639][ T21] ? _request_firmware+0x10b/0x1240 [ 25.085813][ T21] ? assign_fw+0x480/0x480 [ 25.090205][ T21] ? lock_acquire+0x18b/0x7c0 [ 25.094877][ T21] ? _mwifiex_fw_dpc+0xe00/0xe00 [ 25.099794][ T21] request_firmware_work_func+0x126/0x242 [ 25.105498][ T21] ? request_firmware_into_buf+0x90/0x90 [ 25.111131][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.116661][ T21] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.121928][ T21] ? _raw_spin_unlock_irq+0x1f/0x30 [ 25.127101][ T21] process_one_work+0x965/0x1630 [ 25.132057][ T21] ? lock_release+0x720/0x720 [ 25.136745][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.142101][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 25.152079][ T21] worker_thread+0x96/0xe20 [ 25.156559][ T21] ? process_one_