[ 42.039263] audit: type=1800 audit(1555127264.592:27): pid=5136 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [ 42.077990] audit: type=1800 audit(1555127264.592:28): pid=5136 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.927699] audit: type=1800 audit(1555127265.502:29): pid=5136 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 42.948793] audit: type=1800 audit(1555127265.502:30): pid=5136 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.756011] IPVS: ftp: loaded support on port[0] = 21 [ 53.056655] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 53.296617] usb 1-1: Using ep0 maxpacket: 8 [ 53.416741] usb 1-1: config 0 has an invalid interface number: 233 but max is 0 [ 53.424311] usb 1-1: config 0 has no interface number 0 [ 53.429852] usb 1-1: config 0 interface 233 has no altsetting 0 [ 53.435925] usb 1-1: New USB device found, idVendor=3923, idProduct=718a, bcdDevice= 6.47 [ 53.444341] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 53.453231] usb 1-1: config 0 descriptor?? [ 53.726682] usb 1-1: string descriptor 0 read error: -71 [ 53.737086] comedi comedi0: Wrong number of endpoints [ 53.742421] ni6501 1-1:0.233: driver 'ni6501' failed to auto-configure device. [ 53.750216] INFO: trying to register non-static key. [ 53.755308] the code is fine but needs lockdep annotation. [ 53.760921] turning off the locking correctness validator. [ 53.766527] CPU: 0 PID: 585 Comm: kworker/0:3 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 53.774564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.783907] Workqueue: usb_hub_wq hub_event [ 53.788203] Call Trace: [ 53.790774] dump_stack+0xe8/0x16e [ 53.794292] register_lock_class+0x11b8/0x1250 [ 53.798865] ? is_dynamic_key+0x1b0/0x1b0 [ 53.803004] ? ret_from_fork+0x3a/0x50 [ 53.806872] __lock_acquire+0xfb/0x37c0 [ 53.810824] ? check_prev_add.constprop.0+0x8c7/0x23c0 [ 53.816075] ? check_usage+0x520/0x520 [ 53.819938] ? mark_held_locks+0xe0/0xe0 [ 53.823973] ? ret_from_fork+0x3a/0x50 [ 53.827844] ? ni6501_detach+0x5b/0x110 [ 53.831792] lock_acquire+0x10d/0x2f0 [ 53.835569] ? ni6501_detach+0x5b/0x110 [ 53.839520] ? ni6501_detach+0x5b/0x110 [ 53.843471] __mutex_lock+0xfe/0x12b0 [ 53.847249] ? ni6501_detach+0x5b/0x110 [ 53.851202] ? ni6501_detach+0x5b/0x110 [ 53.855152] ? mutex_trylock+0x1b0/0x1b0 [ 53.859196] ? find_held_lock+0x2d/0x110 [ 53.863250] ? comedi_device_cleanup.part.0+0x24/0x140 [ 53.868509] ? comedi_release_hardware_device+0x109/0x140 [ 53.874021] ? lock_acquire+0x10d/0x2f0 [ 53.877972] ? comedi_device_detach+0x32/0x800 [ 53.882543] ? ni6501_detach+0x5b/0x110 [ 53.886502] ni6501_detach+0x5b/0x110 [ 53.890284] comedi_device_detach+0xed/0x800 [ 53.894672] comedi_device_cleanup.part.0+0x68/0x140 [ 53.899759] comedi_free_board_dev.part.0+0x16/0x90 [ 53.904753] comedi_release_hardware_device+0x111/0x140 [ 53.910093] comedi_auto_config.cold+0x124/0x1b0 [ 53.914832] usb_probe_interface+0x31d/0x820 [ 53.919219] ? usb_probe_device+0x150/0x150 [ 53.923519] really_probe+0x2da/0xb10 [ 53.927303] driver_probe_device+0x21d/0x350 [ 53.931692] __device_attach_driver+0x1d8/0x290 [ 53.936338] ? driver_allows_async_probing+0x160/0x160 [ 53.941593] bus_for_each_drv+0x163/0x1e0 [ 53.945721] ? bus_rescan_devices+0x30/0x30 [ 53.950021] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 53.955120] ? lockdep_hardirqs_on+0x37e/0x580 [ 53.965014] __device_attach+0x223/0x3a0 [ 53.969059] ? device_bind_driver+0xe0/0xe0 [ 53.973362] ? kobject_uevent_env+0x295/0x13d0 [ 53.977929] bus_probe_device+0x1f1/0x2a0 [ 53.982059] ? blocking_notifier_call_chain+0x59/0xb0 [ 53.987229] device_add+0xad2/0x16e0 [ 53.990962] ? get_device_parent.isra.0+0x560/0x560 [ 53.995972] usb_set_configuration+0xdf7/0x1740 [ 54.000622] generic_probe+0xa2/0xda [ 54.004310] usb_probe_device+0xc0/0x150 [ 54.008348] ? usb_suspend+0x5f0/0x5f0 [ 54.012211] really_probe+0x2da/0xb10 [ 54.015991] driver_probe_device+0x21d/0x350 [ 54.020376] __device_attach_driver+0x1d8/0x290 [ 54.025023] ? driver_allows_async_probing+0x160/0x160 [ 54.030292] bus_for_each_drv+0x163/0x1e0 [ 54.034423] ? bus_rescan_devices+0x30/0x30 [ 54.038732] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 54.043839] ? lockdep_hardirqs_on+0x37e/0x580 [ 54.048406] __device_attach+0x223/0x3a0 [ 54.052447] ? device_bind_driver+0xe0/0xe0 [ 54.056748] ? kobject_uevent_env+0x295/0x13d0 [ 54.061321] bus_probe_device+0x1f1/0x2a0 [ 54.065450] ? blocking_notifier_call_chain+0x59/0xb0 [ 54.070801] device_add+0xad2/0x16e0 [ 54.074496] ? get_device_parent.isra.0+0x560/0x560 [ 54.079496] usb_new_device.cold+0x537/0xccf [ 54.084058] hub_event+0x138e/0x3b00 [ 54.087758] ? hub_port_debounce+0x350/0x350 [ 54.092149] ? _raw_spin_unlock_irq+0x29/0x40 [ 54.096626] process_one_work+0x90f/0x1580 [ 54.100842] ? wq_pool_ids_show+0x300/0x300 [ 54.105141] ? do_raw_spin_lock+0x11f/0x290 [ 54.109440] worker_thread+0x9b/0xe20 [ 54.113221] ? process_one_work+0x1580/0x1580 [ 54.117694] kthread+0x313/0x420 [ 54.121037] ? kthread_park+0x1a0/0x1a0 [ 54.124990] ret_from_fork+0x3a/0x50