[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c[ 14.416796][ C0] random: crng init done 7[ 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 '10.128.0.186' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.561330][ T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 26.961374][ T12] usb 1-1: unable to get BOS descriptor or descriptor too short [ 27.101507][ T12] usb 1-1: config 8 has an invalid interface number: 82 but max is 2 [ 27.109800][ T12] usb 1-1: config 8 has an invalid interface number: 125 but max is 2 [ 27.118004][ T12] usb 1-1: config 8 has an invalid interface number: 105 but max is 2 [ 27.126232][ T12] usb 1-1: config 8 has no interface number 0 [ 27.132389][ T12] usb 1-1: config 8 has no interface number 1 [ 27.138448][ T12] usb 1-1: config 8 has no interface number 2 [ 27.144597][ T12] usb 1-1: config 8 interface 82 altsetting 95 endpoint 0xB has invalid maxpacket 616, setting to 8 [ 27.155377][ T12] usb 1-1: config 8 interface 82 altsetting 95 has a duplicate endpoint with address 0xB, skipping [ 27.166105][ T12] usb 1-1: config 8 interface 82 altsetting 95 has an invalid endpoint with address 0x0, skipping [ 27.176716][ T12] usb 1-1: config 8 interface 82 altsetting 95 has an invalid endpoint with address 0x0, skipping [ 27.187317][ T12] usb 1-1: config 8 interface 82 altsetting 95 has an invalid endpoint with address 0x0, skipping [ 27.197958][ T12] usb 1-1: config 8 interface 125 altsetting 106 endpoint 0x7 has invalid maxpacket 956, setting to 8 [ 27.208940][ T12] usb 1-1: config 8 interface 105 altsetting 4 endpoint 0xF has invalid maxpacket 122, setting to 8 [ 27.219727][ T12] usb 1-1: config 8 interface 105 altsetting 4 endpoint 0x8 has invalid maxpacket 1014, setting to 8 [ 27.230694][ T12] usb 1-1: config 8 interface 105 altsetting 4 has an invalid endpoint with address 0xFB, skipping [ 27.241376][ T12] usb 1-1: config 8 interface 105 altsetting 4 endpoint 0x3 has invalid maxpacket 813, setting to 8 [ 27.252145][ T12] usb 1-1: config 8 interface 105 altsetting 4 endpoint 0xE has invalid maxpacket 343, setting to 8 [ 27.262907][ T12] usb 1-1: config 8 interface 105 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 27.273505][ T12] usb 1-1: config 8 interface 105 altsetting 4 has a duplicate endpoint with address 0x8, skipping [ 27.284181][ T12] usb 1-1: config 8 interface 82 has no altsetting 0 [ 27.290829][ T12] usb 1-1: config 8 interface 125 has no altsetting 0 [ 27.297598][ T12] usb 1-1: config 8 interface 105 has no altsetting 0 [ 27.541448][ T12] usb 1-1: string descriptor 0 read error: -22 [ 27.547677][ T12] usb 1-1: New USB device found, idVendor=17ef, idProduct=480b, bcdDevice=fd.da [ 27.556818][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 27.603214][ T12] INFO: trying to register non-static key. [ 27.609041][ T12] the code is fine but needs lockdep annotation. [ 27.615347][ T12] turning off the locking correctness validator. [ 27.621646][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc5+ #0 [ 27.628986][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.639021][ T12] Workqueue: usb_hub_wq hub_event [ 27.644050][ T12] Call Trace: [ 27.647327][ T12] dump_stack+0xca/0x13e [ 27.651642][ T12] register_lock_class+0x1022/0x11d0 [ 27.656897][ T12] ? is_dynamic_key+0x1b0/0x1b0 [ 27.661718][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.667500][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.672762][ T12] __lock_acquire+0xfc/0x3b60 [ 27.677413][ T12] ? save_stack+0x4c/0x80 [ 27.681726][ T12] ? save_stack+0x1b/0x80 [ 27.686040][ T12] ? __kasan_slab_free+0x130/0x180 [ 27.691130][ T12] ? kfree+0xe4/0x320 [ 27.695204][ T12] ? usb_string+0x3a6/0x480 [ 27.699696][ T12] ? uvc_probe+0x4c05/0x64e4 [ 27.704265][ T12] ? usb_probe_interface+0x305/0x7a0 [ 27.709525][ T12] ? really_probe+0x281/0x6d0 [ 27.714178][ T12] ? driver_probe_device+0x104/0x210 [ 27.719436][ T12] ? __device_attach_driver+0x1c2/0x220 [ 27.724950][ T12] ? bus_for_each_drv+0x162/0x1e0 [ 27.729986][ T12] ? mark_held_locks+0xe0/0xe0 [ 27.734719][ T12] ? usb_set_configuration+0xdf6/0x1670 [ 27.740245][ T12] ? generic_probe+0x9d/0xd5 [ 27.744806][ T12] ? usb_probe_device+0x99/0x100 [ 27.749712][ T12] ? really_probe+0x281/0x6d0 [ 27.754359][ T12] ? driver_probe_device+0x104/0x210 [ 27.759616][ T12] ? __device_attach_driver+0x1c2/0x220 [ 27.765140][ T12] ? bus_for_each_drv+0x162/0x1e0 [ 27.770133][ T12] ? __device_attach+0x217/0x360 [ 27.775051][ T12] lock_acquire+0x127/0x320 [ 27.779528][ T12] ? ida_destroy+0xb0/0x3a0 [ 27.784002][ T12] _raw_spin_lock_irqsave+0x32/0x50 [ 27.789204][ T12] ? ida_destroy+0xb0/0x3a0 [ 27.793676][ T12] ida_destroy+0xb0/0x3a0 [ 27.797980][ T12] ? refcount_sub_and_test_checked+0x130/0x1c0 [ 27.804101][ T12] ? ida_alloc_range+0x7f0/0x7f0 [ 27.809008][ T12] ? kfree+0x2bd/0x320 [ 27.813048][ T12] ? kobject_put+0x78/0x280 [ 27.817531][ T12] media_device_cleanup+0x15/0x70 [ 27.822528][ T12] uvc_delete+0x8e/0x2f0 [ 27.826828][ T12] uvc_probe+0xf95/0x64e4 [ 27.831131][ T12] ? __lock_acquire+0x145e/0x3b60 [ 27.836131][ T12] ? mark_lock+0xbc/0x1160 [ 27.840520][ T12] ? mark_lock+0xbc/0x1160 [ 27.844906][ T12] ? usb_probe_interface+0x305/0x7a0 [ 27.850163][ T12] usb_probe_interface+0x305/0x7a0 [ 27.855332][ T12] ? usb_probe_device+0x100/0x100 [ 27.860325][ T12] really_probe+0x281/0x6d0 [ 27.864808][ T12] driver_probe_device+0x104/0x210 [ 27.869891][ T12] __device_attach_driver+0x1c2/0x220 [ 27.875244][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.881198][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.886021][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.891014][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.896789][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.902045][ T12] __device_attach+0x217/0x360 [ 27.906777][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.911773][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 27.917027][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 27.922282][ T12] bus_probe_device+0x1e4/0x290 [ 27.927113][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.932974][ T12] device_add+0xae6/0x16f0 [ 27.937360][ T12] ? uevent_store+0x50/0x50 [ 27.941845][ T12] usb_set_configuration+0xdf6/0x1670 [ 27.947189][ T12] generic_probe+0x9d/0xd5 [ 27.951574][ T12] usb_probe_device+0x99/0x100 [ 27.956318][ T12] ? usb_suspend+0x620/0x620 [ 27.960876][ T12] really_probe+0x281/0x6d0 [ 27.965358][ T12] driver_probe_device+0x104/0x210 [ 27.970436][ T12] __device_attach_driver+0x1c2/0x220 [ 27.975882][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.981833][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.986651][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.991645][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.997431][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 28.002684][ T12] __device_attach+0x217/0x360 [ 28.007417][ T12] ? device_bind_driver+0xd0/0xd0 [ 28.012411][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 28.017674][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 28.022928][ T12] bus_probe_device+0x1e4/0x290 [ 28.027749][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.033612][ T12] device_add+0xae6/0x16f0 [ 28.038001][ T12] ? uevent_store+0x50/0x50 [ 28.042562][ T12] usb_new_device.cold+0x6a4/0xe79 [ 28.047640][ T12] hub_event+0x1df8/0x3800 [ 28.052025][ T12] ? hub_port_debounce+0x260/0x260 [ 28.057105][ T12] ? find_held_lock+0x2d/0x110 [ 28.061839][ T12] ? mark_held_locks+0xe0/0xe0 [ 28.066659][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.072182][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.077436][ T12] process_one_work+0x92b/0x1530 [ 28.082344][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 28.087685][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 28.092678][ T12] worker_thread+0x96/0xe20 [ 28.097152][ T12] ? process_one_work+0x1530/0x1530 [ 28.102319][ T12] kthread+0x31