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 '10.128.10.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.302433][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 59.542423][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 59.662546][ T12] usb 1-1: config 0 has an invalid interface number: 71 but max is 0 [ 59.671503][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 59.682423][ T12] usb 1-1: config 0 has no interface number 0 [ 59.689500][ T12] usb 1-1: config 0 interface 71 altsetting 0 has a duplicate endpoint with address 0x1, skipping [ 59.702156][ T12] usb 1-1: New USB device found, idVendor=1286, idProduct=2049, bcdDevice=e1.fe [ 59.712570][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.723462][ T12] usb 1-1: config 0 descriptor?? [ 59.787391][ T12] usb 1-1: Direct firmware load for mrvl/usb8801_uapsta.bin failed with error -2 [ 59.798357][ T12] usb 1-1: Failed to get firmware mrvl/usb8801_uapsta.bin [ 59.808044][ T12] usb 1-1: info: _mwifiex_fw_dpc: unregister device [ 59.817056][ T12] INFO: trying to register non-static key. [ 59.823466][ T12] the code is fine but needs lockdep annotation. [ 59.831267][ T12] turning off the locking correctness validator. [ 59.839105][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc1+ #10 [ 59.848536][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.859880][ T12] Workqueue: events request_firmware_work_func [ 59.866626][ T12] Call Trace: [ 59.870156][ T12] dump_stack+0xca/0x13e [ 59.874689][ T12] register_lock_class+0x11ae/0x1240 [ 59.881186][ T12] ? is_dynamic_key+0x1b0/0x1b0 [ 59.887848][ T12] ? __schedule+0x10a6/0x1680 [ 59.893028][ T12] __lock_acquire+0x11d/0x5340 [ 59.898422][ T12] ? mark_held_locks+0x9f/0xe0 [ 59.904470][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 59.910785][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 59.917310][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 59.924864][ T12] ? mark_held_locks+0xe0/0xe0 [ 59.930411][ T12] ? __sched_text_start+0x8/0x8 [ 59.936140][ T12] ? _cond_resched+0x10/0x20 [ 59.941635][ T12] ? usb_kill_urb+0x198/0x2c0 [ 59.954628][ T12] lock_acquire+0x100/0x2b0 [ 59.959412][ T12] ? try_to_del_timer_sync+0x110/0x110 [ 59.965701][ T12] del_timer_sync+0x3a/0x130 [ 59.970697][ T12] ? try_to_del_timer_sync+0x110/0x110 [ 59.977328][ T12] mwifiex_unregister_dev+0x416/0x690 [ 59.984576][ T12] _mwifiex_fw_dpc+0x577/0xda0 [ 59.989925][ T12] ? mwifiex_usb_prepare_tx_aggr_skb+0x8c0/0x8c0 [ 59.997120][ T12] ? mwifiex_add_card+0xcd0/0xcd0 [ 60.003202][ T12] ? __kasan_slab_free+0x145/0x180 [ 60.008696][ T12] ? _request_firmware+0xa2f/0x1040 [ 60.015019][ T12] ? kfree+0xd7/0x280 [ 60.019175][ T12] ? _request_firmware+0x104/0x1040 [ 60.024625][ T12] ? assign_fw+0x4f0/0x4f0 [ 60.029127][ T12] ? find_held_lock+0x2d/0x110 [ 60.034233][ T12] ? process_one_work+0x82c/0x1570 [ 60.039589][ T12] ? _mwifiex_fw_dpc+0xda0/0xda0 [ 60.045134][ T12] request_firmware_work_func+0x126/0x242 [ 60.051553][ T12] ? request_firmware_into_buf+0x90/0x90 [ 60.057438][ T12] process_one_work+0x905/0x1570 [ 60.063642][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.069912][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 60.075639][ T12] worker_thread+0x96/0xe20 [ 60.083186][ T12] ? process_one_work+0x1570/0x1570 [ 60.090491][ T12] kthread+0x30b/0x410 [ 60.094643][ T12] ? kthread_park+0x1a0/0x1a0 [ 60.099506][ T12] ret_from_fork+0x24/0x30 [ 60.104248][ T12] ------------[ cut here ]------------ [ 60.105965][ T1729] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 60.110172][ T12] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 60.119670][ T1729] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 60.13014