[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[ 14.600232][ T1671] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 14.783034][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.229' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.989335][ T90] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 53.349004][ T90] usb 1-1: config 0 has an invalid interface number: 4 but max is 0 [ 53.357073][ T90] usb 1-1: config 0 has no interface number 0 [ 53.363385][ T90] usb 1-1: New USB device found, idVendor=1286, idProduct=204e, bcdDevice=58.8f [ 53.372551][ T90] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 53.382214][ T90] usb 1-1: config 0 descriptor?? [ 53.426102][ T90] usb 1-1: Direct firmware load for mrvl/usbusb8997_combo_v4.bin failed with error -2 [ 53.435749][ T90] usb 1-1: Failed to get firmware mrvl/usbusb8997_combo_v4.bin [ 53.443433][ T90] usb 1-1: info: _mwifiex_fw_dpc: unregister device [ 53.450168][ T90] INFO: trying to register non-static key. [ 53.455945][ T90] the code is fine but needs lockdep annotation. [ 53.462239][ T90] turning off the locking correctness validator. [ 53.468558][ T90] CPU: 1 PID: 90 Comm: kworker/1:2 Not tainted 5.2.0-rc1+ #10 [ 53.476045][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.486150][ T90] Workqueue: events request_firmware_work_func [ 53.492294][ T90] Call Trace: [ 53.495583][ T90] dump_stack+0xca/0x13e [ 53.499916][ T90] register_lock_class+0x11ae/0x1240 [ 53.505196][ T90] ? is_dynamic_key+0x1b0/0x1b0 [ 53.510028][ T90] ? __schedule+0x10a6/0x1680 [ 53.514765][ T90] __lock_acquire+0x11d/0x5340 [ 53.520123][ T90] ? mark_held_locks+0x9f/0xe0 [ 53.524878][ T90] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.530061][ T90] ? lockdep_hardirqs_on+0x379/0x580 [ 53.535430][ T90] ? _raw_spin_unlock_irq+0x24/0x30 [ 53.540609][ T90] ? mark_held_locks+0xe0/0xe0 [ 53.545363][ T90] ? __sched_text_start+0x8/0x8 [ 53.550206][ T90] ? _cond_resched+0x10/0x20 [ 53.554781][ T90] ? usb_kill_urb+0x198/0x2c0 [ 53.559446][ T90] lock_acquire+0x100/0x2b0 [ 53.563931][ T90] ? try_to_del_timer_sync+0x110/0x110 [ 53.569368][ T90] del_timer_sync+0x3a/0x130 [ 53.574002][ T90] ? try_to_del_timer_sync+0x110/0x110 [ 53.579640][ T90] mwifiex_unregister_dev+0x416/0x690 [ 53.585000][ T90] _mwifiex_fw_dpc+0x577/0xda0 [ 53.589739][ T90] ? mwifiex_usb_prepare_tx_aggr_skb+0x8c0/0x8c0 [ 53.596151][ T90] ? mwifiex_add_card+0xcd0/0xcd0 [ 53.601167][ T90] ? __kasan_slab_free+0x145/0x180 [ 53.606259][ T90] ? _request_firmware+0xa2f/0x1040 [ 53.611433][ T90] ? kfree+0xd7/0x280 [ 53.615412][ T90] ? _request_firmware+0x104/0x1040 [ 53.620593][ T90] ? assign_fw+0x4f0/0x4f0 [ 53.625010][ T90] ? find_held_lock+0x2d/0x110 [ 53.629757][ T90] ? process_one_work+0x82c/0x1570 [ 53.634859][ T90] ? _mwifiex_fw_dpc+0xda0/0xda0 [ 53.639782][ T90] request_firmware_work_func+0x126/0x242 [ 53.645480][ T90] ? request_firmware_into_buf+0x90/0x90 [ 53.651205][ T90] process_one_work+0x905/0x1570 [ 53.656133][ T90] ? pwq_dec_nr_in_flight+0x310/0x310 [ 53.661505][ T90] ? do_raw_spin_lock+0x11a/0x280 [ 53.666578][ T90] worker_thread+0x96/0xe20 [ 53.671079][ T90] ? process_one_work+0x1570/0x1570 [ 53.676261][ T90] kthread+0x30b/0x410 [ 53.680314][ T90] ? kthread_park+0x1a0/0x1a0 [ 53.684964][ T90] ret_from_fork+0x24/0x30 [ 53.689431][ T90] ------------[ cut here ]------------ [ 53.690751][ T1726] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 53.694897][ T90] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 53.703705][ T1726] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 53.712981][ T90] WARNING: CPU: 1 PID: 90 at lib/