[ 45.383637] audit: type=1800 audit(1555151325.076:27): pid=5403 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [ 45.383658] audit: type=1800 audit(1555151325.076:28): pid=5403 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. [ 46.027733] audit: type=1800 audit(1555151325.746:29): pid=5403 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 [ 46.047106] audit: type=1800 audit(1555151325.756:30): pid=5403 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 '10.128.0.49' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 56.280807] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 56.520789] usb 1-1: Using ep0 maxpacket: 8 [ 56.640850] usb 1-1: New USB device found, idVendor=2040, idProduct=b764, bcdDevice=5e.10 [ 56.650267] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.661703] usb 1-1: config 0 descriptor?? [ 56.703022] usb 1-1: dvb_usb_v2: found a 'Hauppauge 117xxx DVBT' in warm state [ 56.716648] usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer [ 56.726598] dvbdev: DVB: registering new adapter (Hauppauge 117xxx DVBT) [ 56.739179] usb 1-1: selecting invalid altsetting 2 [ 56.744317] set interface failed [ 56.744325] INFO: trying to register non-static key. [ 56.752772] the code is fine but needs lockdep annotation. [ 56.758371] turning off the locking correctness validator. [ 56.764001] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 56.771953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.781301] Workqueue: usb_hub_wq hub_event [ 56.785601] Call Trace: [ 56.788173] dump_stack+0xe8/0x16e [ 56.791701] register_lock_class+0x11b8/0x1250 [ 56.796272] ? mark_held_locks+0x9f/0xe0 [ 56.800317] ? is_dynamic_key+0x1b0/0x1b0 [ 56.804457] ? local_port_store+0x100/0x100 [ 56.808766] ? lockdep_hardirqs_on+0x37e/0x580 [ 56.813338] ? console_unlock+0x61e/0xbb0 [ 56.817473] __lock_acquire+0xfb/0x37c0 [ 56.821456] ? wake_up_klogd+0x46/0x50 [ 56.825348] ? vprintk_emit+0x2d0/0x5a0 [ 56.829315] ? mark_held_locks+0xe0/0xe0 [ 56.833368] ? dev_attr_show.cold+0x3a/0x3a [ 56.837693] ? lock_downgrade+0x640/0x640 [ 56.841856] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 56.846205] lock_acquire+0x10d/0x2f0 [ 56.850001] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 56.854315] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 56.858625] __mutex_lock+0xfe/0x12b0 [ 56.862434] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 56.866742] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 56.871050] ? mutex_trylock+0x1b0/0x1b0 [ 56.875099] ? memcpy+0x35/0x50 [ 56.878385] ? lock_downgrade+0x640/0x640 [ 56.882527] ? mark_held_locks+0x9f/0xe0 [ 56.886587] ? vprintk_emit+0x24c/0x5a0 [ 56.890581] ? lockdep_hardirqs_on+0x37e/0x580 [ 56.895184] ? mxl111sf_ctrl_msg+0xc7/0x250 [ 56.899519] mxl111sf_ctrl_msg+0xc7/0x250 [ 56.903689] mxl111sf_write_reg+0x9f/0x160 [ 56.907940] ? mxl111sf_frontend_attach_mercury_mh+0x9c0/0x9c0 [ 56.913910] ? usb_set_interface+0x7b0/0xad0 [ 56.918344] mxl1x1sf_soft_reset+0x70/0x190 [ 56.922690] mxl111sf_attach_demod+0x291/0x770 [ 56.927272] ? mxl111sf_attach_demod+0x770/0x770 [ 56.932041] dvb_usbv2_probe.cold+0x2170/0x29f6 [ 56.936708] ? dvb_usb_read_remote_control+0x1c0/0x1c0 [ 56.942006] ? rpm_callback+0x240/0x240 [ 56.945990] ? lockdep_hardirqs_on+0x37e/0x580 [ 56.950601] ? __pm_runtime_resume+0x116/0x180 [ 56.955208] usb_probe_interface+0x31d/0x820 [ 56.959625] ? usb_probe_device+0x150/0x150 [ 56.963938] really_probe+0x2da/0xb10 [ 56.967734] driver_probe_device+0x21d/0x350 [ 56.972148] __device_attach_driver+0x1d8/0x290 [ 56.976810] ? driver_allows_async_probing+0x160/0x160 [ 56.982114] bus_for_each_drv+0x163/0x1e0 [ 56.986267] ? bus_rescan_devices+0x30/0x30 [ 56.990594] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 56.995697] ? lockdep_hardirqs_on+0x37e/0x580 [ 57.000278] __device_attach+0x223/0x3a0 [ 57.004330] ? device_bind_driver+0xe0/0xe0 [ 57.008638] ? kobject_uevent_env+0x295/0x13d0 [ 57.013209] bus_probe_device+0x1f1/0x2a0 [ 57.017342] ? blocking_notifier_call_chain+0x59/0xb0 [ 57.022547] device_add+0xad2/0x16e0 [ 57.026265] ? get_device_parent.isra.0+0x560/0x560 [ 57.031283] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 57.036375] usb_set_configuration+0xdf7/0x1740 [ 57.041039] generic_probe+0xa2/0xda [ 57.044743] usb_probe_device+0xc0/0x150 [ 57.048788] ? usb_suspend+0x5f0/0x5f0 [ 57.052658] really_probe+0x2da/0xb10 [ 57.056556] driver_probe_device+0x21d/0x350 [ 57.060950] __device_attach_driver+0x1d8/0x290 [ 57.065608] ? driver_allows_async_probing+0x160/0x160 [ 57.070891] bus_for_each_drv+0x163/0x1e0 [ 57.075033] ? bus_rescan_devices+0x30/0x30 [ 57.079344] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 57.084441] ? lockdep_hardirqs_on+0x37e/0x580 [ 57.089015] __device_attach+0x223/0x3a0 [ 57.093066] ? device_bind_driver+0xe0/0xe0 [ 57.097376] ? kobject_uevent_env+0x295/0x13d0 [ 57.101949] bus_probe_device+0x1f1/0x2a0 [ 57.106081] ? blocking_notifier_call_chain+0x59/0xb0 [ 57.111263] device_add+0xad2/0x16e0 [ 57.114982] ? get_device_parent.isra.0+0x560/0x560 [ 57.120018] usb_new_device.cold+0x537/0xccf [ 57.124417] hub_event+0x138e/0x3b00 [ 57.128122] ? hub_port_debounce+0x350/0x350 [ 57.132518] ? _raw_spin_unlock_irq+0x29/0x40 [ 57.137004] process_one_work+0x90f/0x1580 [ 57.141245] ? wq_pool_ids_show+0x300/0x300 [ 57.145567] ? do_raw_spin_lock+0x11f/0x290 [ 57.149884] worker_thread+0x9b/0xe20 [ 57.153677] ? p