[ 52.514901] audit: type=1800 audit(1555350814.309:27): pid=5572 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [ 52.535109] audit: type=1800 audit(1555350814.309:28): pid=5572 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. [ 53.447786] audit: type=1800 audit(1555350815.269:29): pid=5572 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 [ 53.467572] audit: type=1800 audit(1555350815.279:30): pid=5572 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 '10.128.1.24' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.221248] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 63.601384] usb 1-1: New USB device found, idVendor=2040, idProduct=d8e4, bcdDevice=3f.67 [ 63.610518] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.620455] usb 1-1: config 0 descriptor?? [ 63.663886] usb 1-1: dvb_usb_v2: found a 'Hauppauge 138xxx DVBT' in warm state [ 63.678620] usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer [ 63.689051] dvbdev: DVB: registering new adapter (Hauppauge 138xxx DVBT) [ 63.701300] usb 1-1: selecting invalid altsetting 2 [ 63.706379] set interface failed [ 63.706390] INFO: trying to register non-static key. [ 63.715066] the code is fine but needs lockdep annotation. [ 63.720902] turning off the locking correctness validator. [ 63.726538] CPU: 0 PID: 532 Comm: kworker/0:3 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 63.734764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.744578] Workqueue: usb_hub_wq hub_event [ 63.749315] Call Trace: [ 63.752000] dump_stack+0xe8/0x16e [ 63.755578] register_lock_class+0x11b8/0x1250 [ 63.760178] ? mark_held_locks+0x9f/0xe0 [ 63.764294] ? is_dynamic_key+0x1b0/0x1b0 [ 63.768675] ? local_port_store+0x100/0x100 [ 63.773002] ? lockdep_hardirqs_on+0x37e/0x580 [ 63.777825] ? console_unlock+0x61e/0xbb0 [ 63.782289] __lock_acquire+0xfb/0x37c0 [ 63.786526] ? wake_up_klogd+0x46/0x50 [ 63.790423] ? vprintk_emit+0x2d0/0x5a0 [ 63.794567] ? mark_held_locks+0xe0/0xe0 [ 63.798657] ? dev_attr_show.cold+0x3a/0x3a [ 63.803245] ? lock_downgrade+0x640/0x640 [ 63.807668] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 63.811998] lock_acquire+0x10d/0x2f0 [ 63.815834] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 63.820276] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 63.824625] __mutex_lock+0xfe/0x12b0 [ 63.828527] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 63.833020] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 63.837551] ? mutex_trylock+0x1b0/0x1b0 [ 63.841632] ? memcpy+0x35/0x50 [ 63.845100] ? lock_downgrade+0x640/0x640 [ 63.849254] ? mark_held_locks+0x9f/0xe0 [ 63.853600] ? vprintk_emit+0x24c/0x5a0 [ 63.857702] ? lockdep_hardirqs_on+0x37e/0x580 [ 63.862423] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 63.866753] mxl111sf_ctrl_msg+0xc7/0x250 [ 63.871034] mxl111sf_write_reg+0x9f/0x160 [ 63.875428] ? mxl111sf_frontend_attach_mercury_mh+0x9c0/0x9c0 [ 63.881414] ? usb_set_interface+0x7b0/0xad0 [ 63.886071] mxl1x1sf_soft_reset+0x70/0x190 [ 63.890538] mxl111sf_attach_demod+0x291/0x770 [ 63.895244] ? mxl111sf_attach_demod+0x770/0x770 [ 63.900122] dvb_usbv2_probe.cold+0x2170/0x29f6 [ 63.904814] ? dvb_usb_read_remote_control+0x1c0/0x1c0 [ 63.910267] ? rpm_callback+0x240/0x240 [ 63.914459] ? lockdep_hardirqs_on+0x37e/0x580 [ 63.919159] ? __pm_runtime_resume+0x116/0x180 [ 63.924030] usb_probe_interface+0x31d/0x820 [ 63.928839] ? usb_probe_device+0x150/0x150 [ 63.933455] really_probe+0x2da/0xb10 [ 63.937516] driver_probe_device+0x21d/0x350 [ 63.942184] __device_attach_driver+0x1d8/0x290 [ 63.947006] ? driver_allows_async_probing+0x160/0x160 [ 63.952405] bus_for_each_drv+0x163/0x1e0 [ 63.956576] ? bus_rescan_devices+0x30/0x30 [ 63.961054] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 63.966189] ? lockdep_hardirqs_on+0x37e/0x580 [ 63.970792] __device_attach+0x223/0x3a0 [ 63.974867] ? device_bind_driver+0xe0/0xe0 [ 63.979631] ? kobject_uevent_env+0x295/0x13d0 [ 63.984643] bus_probe_device+0x1f1/0x2a0 [ 63.989226] ? blocking_notifier_call_chain+0x59/0xb0 [ 63.994554] device_add+0xad2/0x16e0 [ 63.998385] ? get_device_parent.isra.0+0x560/0x560 [ 64.003414] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 64.008546] usb_set_configuration+0xdf7/0x1740 [ 64.013394] generic_probe+0xa2/0xda [ 64.017256] usb_probe_device+0xc0/0x150 [ 64.021449] ? usb_suspend+0x5f0/0x5f0 [ 64.025397] really_probe+0x2da/0xb10 [ 64.029420] driver_probe_device+0x21d/0x350 [ 64.033851] __device_attach_driver+0x1d8/0x290 [ 64.038539] ? driver_allows_async_probing+0x160/0x160 [ 64.043952] bus_for_each_drv+0x163/0x1e0 [ 64.048272] ? bus_rescan_devices+0x30/0x30 [ 64.052894] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 64.058252] ? lockdep_hardirqs_on+0x37e/0x580 [ 64.063165] __device_attach+0x223/0x3a0 [ 64.067255] ? device_bind_driver+0xe0/0xe0 [ 64.071590] ? kobject_uevent_env+0x295/0x13d0 [ 64.076202] bus_probe_device+0x1f1/0x2a0 [ 64.080619] ? blocking_notifier_call_chain+0x59/0xb0 [ 64.086179] device_add+0xad2/0x16e0 [ 64.090142] ? get_device_parent.isra.0+0x560/0x560 [ 64.095663] usb_new_device.cold+0x537/0xccf [ 64.100287] hub_event+0x138e/0x3b00 [ 64.104016] ? hub_port_debounce+0x350/0x350 [ 64.108605] ? _raw_spin_unlock_irq+0x29/0x40 [ 64.113386] process_one_w