[ 46.397727] audit: type=1800 audit(1555001206.686:27): pid=5367 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [ 46.397762] audit: type=1800 audit(1555001206.686:28): pid=5367 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. [ 47.389517] audit: type=1800 audit(1555001207.706:29): pid=5367 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 [ 47.408885] audit: type=1800 audit(1555001207.706:30): pid=5367 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 '10.128.0.201' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.144652] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 59.384611] usb 1-1: Using ep0 maxpacket: 8 [ 59.504627] usb 1-1: config 0 has an invalid interface number: 121 but max is 0 [ 59.512174] usb 1-1: config 0 has an invalid descriptor of length 1, skipping remainder of the config [ 59.521577] usb 1-1: config 0 has no interface number 0 [ 59.527043] usb 1-1: config 0 interface 121 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 59.539341] usb 1-1: New USB device found, idVendor=10cf, idProduct=5500, bcdDevice=e6.1b [ 59.547711] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.556706] usb 1-1: config 0 descriptor?? [ 59.599368] vmk80xx 1-1:0.121: driver 'vmk80xx' failed to auto-configure device. [ 59.607299] INFO: trying to register non-static key. [ 59.612396] the code is fine but needs lockdep annotation. [ 59.617998] turning off the locking correctness validator. [ 59.623601] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 59.631544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.640882] Workqueue: usb_hub_wq hub_event [ 59.645180] Call Trace: [ 59.647747] dump_stack+0xe8/0x16e [ 59.651285] register_lock_class+0x11b8/0x1250 [ 59.655845] ? is_dynamic_key+0x1b0/0x1b0 [ 59.659967] ? graph_lock+0x80/0x180 [ 59.663656] __lock_acquire+0xfb/0x37c0 [ 59.667696] ? __lock_acquire+0x238b/0x37c0 [ 59.671997] ? mark_held_locks+0xe0/0xe0 [ 59.676038] ? mark_held_locks+0xe0/0xe0 [ 59.680171] lock_acquire+0x10d/0x2f0 [ 59.683954] ? down+0x12/0x80 [ 59.687056] _raw_spin_lock_irqsave+0x44/0x60 [ 59.691528] ? down+0x12/0x80 [ 59.694613] down+0x12/0x80 [ 59.697540] vmk80xx_detach+0x59/0x100 [ 59.701405] comedi_device_detach+0xed/0x800 [ 59.705797] comedi_device_cleanup.part.0+0x68/0x140 [ 59.710877] comedi_free_board_dev.part.0+0x16/0x90 [ 59.715889] comedi_release_hardware_device+0x111/0x140 [ 59.721317] comedi_auto_config.cold+0x124/0x1b0 [ 59.726052] usb_probe_interface+0x31d/0x820 [ 59.730437] ? usb_probe_device+0x150/0x150 [ 59.734737] really_probe+0x2da/0xb10 [ 59.738516] driver_probe_device+0x21d/0x350 [ 59.742901] __device_attach_driver+0x1d8/0x290 [ 59.747548] ? driver_allows_async_probing+0x160/0x160 [ 59.752800] bus_for_each_drv+0x163/0x1e0 [ 59.756925] ? bus_rescan_devices+0x30/0x30 [ 59.761229] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 59.766310] ? lockdep_hardirqs_on+0x37e/0x580 [ 59.770869] __device_attach+0x223/0x3a0 [ 59.774909] ? device_bind_driver+0xe0/0xe0 [ 59.779208] ? kobject_uevent_env+0x295/0x13d0 [ 59.783770] bus_probe_device+0x1f1/0x2a0 [ 59.787911] ? blocking_notifier_call_chain+0x59/0xb0 [ 59.793101] device_add+0xad2/0x16e0 [ 59.796800] ? get_device_parent.isra.0+0x560/0x560 [ 59.801793] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 59.806889] usb_set_configuration+0xdf7/0x1740 [ 59.811540] generic_probe+0xa2/0xda [ 59.815248] usb_probe_device+0xc0/0x150 [ 59.819287] ? usb_suspend+0x5f0/0x5f0 [ 59.823149] really_probe+0x2da/0xb10 [ 59.826930] driver_probe_device+0x21d/0x350 [ 59.831317] __device_attach_driver+0x1d8/0x290 [ 59.835963] ? driver_allows_async_probing+0x160/0x160 [ 59.841218] bus_for_each_drv+0x163/0x1e0 [ 59.845344] ? bus_rescan_devices+0x30/0x30 [ 59.849644] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 59.854725] ? lockdep_hardirqs_on+0x37e/0x580 [ 59.859282] __device_attach+0x223/0x3a0 [ 59.863327] ? device_bind_driver+0xe0/0xe0 [ 59.867629] ? kobject_uevent_env+0x295/0x13d0 [ 59.872202] bus_probe_device+0x1f1/0x2a0 [ 59.876348] ? blocking_notifier_call_chain+0x59/0xb0 [ 59.881529] device_add+0xad2/0x16e0 [ 59.885224] ? get_device_parent.isra.0+0x560/0x560 [ 59.890220] usb_new_device.cold+0x537/0xccf [ 59.894608] hub_event+0x138e/0x3b00 [ 59.898302] ? hub_port_debounce+0x350/0x350 [ 59.902688] ? _raw_spin_unlock_irq+0x29/0x40 [ 59.907165] process_one_work+0x90f/0x1580 [ 59.911381] ? wq_pool_ids_show+0x300/0x300 [ 59.915683] ? do_raw_spin_lock+0x11f/0x290 [ 59.919995] worker_thread+0x9b/0xe20 [ 59.923789] ? process_one_work+0x1580/0x1580 [ 59.928263] kthread+0x313/0x420 [ 59.931604] ? kthread_park+0x1a0/0x1a0 [ 59.935559] ret_from_fork+0x3a/0x50 [ 59.939254] kasan: CONFIG_KASAN_INLINE enabled [ 59.943806] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 59.951142] general protection fault: 0000 [#1] SMP KASAN PTI [ 59.957006] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 59.964946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.974284] Workqueue: usb_hub_wq hub_event [ 59.978593] RIP: 0010:__list_add_valid+0x47/0xa0 [ 59.983338] Code: fa 48 c1 ea 03 80 3c 02 00 75 50 49 8b 54 24 08 48 39 f2 0f 85 59 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 <80> 3c 02 00 75 3a 48 8b 16 4c 39 e2 0f 85 5e 01 00 00 48 39 f5 0f [ 60.002230] RSP: 0018:ffff8880a84b7110 EFLAGS: 00010046 [ 60.007572] RAX: dffffc0000000000 RBX: ffff88809390d0d0 RCX: 0000000000000000 [ 60.014818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88809390d118 [ 60.022064] RBP: ffff8880a84b7170 R08: ffff8880a84a6200 R09: ffffed1015096e31 [ 60.029349] R10: ffffed1015096e30 R11: 0000000000000003 R12: ffff88809390d110 [ 60.036599] R13: 0000000000000000 R14: ffff88809390d118 R15: ffff88809390d110 [ 60.043862] FS: 0000000000000000(0000) GS:ffff8880ad000000(0000) knlGS:0000000000000000 [ 60.052064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.057924] CR2: 00007fd81490a000 CR3: 0000000094754000 CR4: 00000000001406f0 [ 60.065190] Call Trace: [ 60.067761] __down+0xa7/0x2c0 [ 60.070934] ? ww_mutex_lock+0xc0/0xc0 [ 60.074801] ? rwlock_bug.part.0+0x90/0x90 [ 60.079015] down+0x5c/0x80 [ 60.081928] vmk80xx_detach+0x59/0x100 [ 60.085796] comedi_device_detach+0xed/0x800 [ 60.090186] comedi_device_cleanup.part.0+0x68/0x140 [ 60.095270] comedi_free_board_dev.part.0+0x16/0x90 [ 60.100269] comedi_release_hardware_device+0x111/0x140 [ 60.105613] comedi_auto_config.cold+0x124/0x1b0 [ 60.110349] usb_probe_interface+0x31d/0x820 [ 60.114735] ? usb_probe_device+0x150/0x150 [ 60.119033] really_probe+0x2da/0xb10 [ 60.122813] driver_probe_device+0x21d/0x350 [ 60.127199] __device_attach_driver+0x1d8/0x290 [ 60.131847] ? driver_allows_async_probing+0x160/0x160 [ 60.137101] bus_for_each_drv+0x163/0x1e0 [ 60.141228] ? bus_rescan_devices+0x30/0x30 [ 60.145529] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 60.150614] ? lockdep_hardirqs_on+0x37e/0x580 [ 60.155173] __device_attach+0x223/0x3a0 [ 60.159209] ? device_bind_driver+0xe0/0xe0 [ 60.163507] ? kobject_uevent_env+0x295/0x13d0 [ 60.168079] bus_probe_device+0x1f1/0x2a0 [ 60.172207] ? blocking_notifier_call_chain+0x59/0xb0 [ 60.177388] device_add+0xad2/0x16e0 [ 60.181080] ? get_device_parent.isra.0+0x560/0x560 [ 60.186075] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 60.191157] usb_set_configuration+0xdf7/0x1740 [ 60.195810] generic_probe+0xa2/0xda [ 60.199503] usb_probe_device+0xc0/0x150 [ 60.203542] ? usb_suspend+0x5f0/0x5f0 [ 60.207411] really_probe+0x2da/0xb10 [ 60.211201] driver_probe_device+0x21d/0x350 [ 60.215603] __device_attach_driver+0x1d8/0x290 [ 60.220252] ? driver_allows_async_probing+0x160/0x160 [ 60.225507] bus_for_each_drv+0x163/0x1e0 [ 60.229635] ? bus_rescan_devices+0x30/0x30 [ 60.233934] ? _raw_spin_unlock_irqrestore+0x4b/0x60 [ 60.239017] ? lockdep_hardirqs_on+0x37e/0x580 [ 60.243577] __device_attach+0x223/0x3a0 [ 60.247620] ? device_bind_driver+0xe0/0xe0 [ 60.251923] ? kobject_uevent_env+0x295/0x13d0 [ 60.256491] bus_probe_device+0x1f1/0x2a0 [ 60.260618] ? blocking_notifier_call_chain+0x59/0xb0 [ 60.265806] device_add+0xad2/0x16e0 [ 60.269498] ? get_device_parent.isra.0+0x560/0x560 [ 60.274503] usb_new_device.cold+0x537/0xccf [ 60.278896] hub_event+0x138e/0x3b00 [ 60.282611] ? hub_port_debounce+0x350/0x350 [ 60.287004] ? _raw_spin_unlock_irq+0x29/0x40 [ 60.291480] process_one_work+0x90f/0x1580 [ 60.295696] ? wq_pool_ids_show+0x300/0x300 [ 60.299997] ? do_raw_spin_lock+0x11f/0x290 [ 60.304296] worker_thread+0x9b/0xe20 [ 60.308078] ? process_one_work+0x1580/0x1580 [ 60.312564] kthread+0x313/0x420 [ 60.315908] ? kthread_park+0x1a0/0x1a0 [ 60.319878] ret_from_fork+0x3a/0x50 [ 60.323586] Modules linked in: [ 60.326782] ---[ end trace 6a68bc3a44191901 ]--- [ 60.331517] RIP: 0010:__list_add_valid+0x47/0xa0 [ 60.336252] Code: fa 48 c1 ea 03 80 3c 02 00 75 50 49 8b 54 24 08 48 39 f2 0f 85 59 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 <80> 3c 02 00 75 3a 48 8b 16 4c 39 e2 0f 85 5e 01 00 00 48 39 f5 0f [ 60.355132] RSP: 0018:ffff8880a84b7110 EFLAGS: 00010046 [ 60.360469] RAX: dffffc0000000000 RBX: ffff88809390d0d0 RCX: 0000000000000000 [ 60.367715] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88809390d118 [ 60.374961] RBP: ffff8880a84b7170 R08: ffff8880a84a6200 R09: ffffed1015096e31 [ 60.382207] R10: ffffed1015096e30 R11: 0000000000000003 R12: ffff88809390d110 [ 60.389454] R13: 0000000000000000 R14: ffff88809390d118 R15: ffff88809390d110 [ 60.396702] FS: 0000000000000000(0000) GS:ffff8880ad000000(0000) knlGS:0000000000000000 [ 60.404902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.410761] CR2: 00007fd81490a000 CR3: 0000000094754000 CR4: 00000000001406f0 [ 60.418011] Kernel panic - not syncing: Fatal exception [ 60.424007] Kernel Offset: disabled [ 60.427624] Rebooting in 86400 seconds..