[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 15.090923][ T1658] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 15.195204][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 29.338149][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 29.338157][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 29.353284][ T5] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 29.358681][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 29.368250][ T1724] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 29.375738][ T22] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 29.578123][ T83] usb 6-1: Using ep0 maxpacket: 32 [ 29.608101][ T1724] usb 5-1: Using ep0 maxpacket: 32 [ 29.618191][ T22] usb 3-1: Using ep0 maxpacket: 32 [ 29.618252][ T5] usb 4-1: Using ep0 maxpacket: 32 [ 29.623387][ T17] usb 2-1: Using ep0 maxpacket: 32 [ 29.628850][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 29.708258][ T83] usb 6-1: config 0 has an invalid interface number: 15 but max is 0 [ 29.716470][ T83] usb 6-1: config 0 has no interface number 0 [ 29.722798][ T83] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 29.732205][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.740401][ T1724] usb 5-1: config 0 has an invalid interface number: 15 but max is 0 [ 29.748521][ T1724] usb 5-1: config 0 has no interface number 0 [ 29.754878][ T1724] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 29.763999][ T1724] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.768177][ T5] usb 4-1: config 0 has an invalid interface number: 15 but max is 0 [ 29.772026][ T22] usb 3-1: config 0 has an invalid interface number: 15 but max is 0 [ 29.772038][ T22] usb 3-1: config 0 has no interface number 0 [ 29.780131][ T5] usb 4-1: config 0 has no interface number 0 [ 29.780472][ T12] usb 1-1: config 0 has an invalid interface number: 15 but max is 0 [ 29.788261][ T17] usb 2-1: config 0 has an invalid interface number: 15 but max is 0 [ 29.794316][ T12] usb 1-1: config 0 has no interface number 0 [ 29.800396][ T17] usb 2-1: config 0 has no interface number 0 [ 29.808550][ T5] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 29.818296][ T83] usb 6-1: config 0 descriptor?? [ 29.822756][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.829743][ T1724] usb 5-1: config 0 descriptor?? [ 29.846850][ T12] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 29.851059][ T22] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 29.855856][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.859814][ T5] usb 4-1: config 0 descriptor?? [ 29.864946][ T22] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.883103][ T12] usb 1-1: config 0 descriptor?? [ 29.887062][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 29.908948][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.921471][ T22] usb 3-1: config 0 descriptor?? [ 29.926704][ T17] usb 2-1: config 0 descriptor?? [ 30.129841][ T5] hso 4-1:0.15: Failed to find BULK IN ep [ 30.138778][ T83] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 30.146258][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc3+ #0 [ 30.153634][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.163673][ T83] Workqueue: usb_hub_wq hub_event [ 30.168677][ T83] Call Trace: [ 30.171964][ T83] dump_stack+0xca/0x13e [ 30.176190][ T83] sysfs_warn_dup.cold+0x1c/0x2d [ 30.181201][ T83] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 30.187257][ T83] sysfs_create_link+0x61/0xc0 [ 30.191998][ T83] device_add+0x788/0x16f0 [ 30.196539][ T83] ? uevent_store+0x50/0x50 [ 30.201033][ T83] ? __init_waitqueue_head+0x31/0x90 [ 30.206297][ T83] tty_register_device_attr+0x341/0x6f0 [ 30.211824][ T83] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 30.217360][ T83] ? mark_held_locks+0x9f/0xe0 [ 30.222100][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.227879][ T83] ? tty_port_register_device_attr+0xb9/0x110 [ 30.233927][ T83] hso_serial_common_create+0x113/0x710 [ 30.239468][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 30.244741][ T83] hso_probe+0xc93/0x1a80 [ 30.249047][ T83] usb_probe_interface+0x305/0x7a0 [ 30.254135][ T83] ? usb_probe_device+0x100/0x100 [ 30.259148][ T83] really_probe+0x281/0x6d0 [ 30.263638][ T83] driver_probe_device+0x104/0x210 [ 30.268733][ T83] __device_attach_driver+0x1c2/0x220 [ 30.274087][ T83] ? driver_allows_async_probing+0x160/0x160 [ 30.280040][ T83] bus_for_each_drv+0x162/0x1e0 [ 30.284866][ T83] ? bus_rescan_devices+0x20/0x20 [ 30.289874][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.295656][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 30.301014][ T83] __device_attach+0x217/0x360 [ 30.305752][ T83] ? device_bind_driver+0xd0/0xd0 [ 30.310755][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 30.316023][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 30.321286][ T83] bus_probe_device+0x1e4/0x290 executing program [ 30.326129][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 30.331220][ T5] usb 4-1: USB disconnect, device number 2 [ 30.332005][ T83] device_add+0xae6/0x16f0 [ 30.342186][ T83] ? uevent_store+0x50/0x50 [ 30.346681][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.352492][ T83] usb_set_configuration+0xdf6/0x1670 [ 30.357932][ T83] generic_probe+0x9d/0xd5 [ 30.362446][ T83] usb_probe_device+0x99/0x100 [ 30.367191][ T83] ? usb_suspend+0x620/0x620 [ 30.371762][ T83] really_probe+0x281/0x6d0 executing program [ 30.376244][ T83] driver_probe_device+0x104/0x210 [ 30.381335][ T83] __device_attach_driver+0x1c2/0x220 [ 30.386682][ T83] ? driver_allows_async_probing+0x160/0x160 [ 30.392636][ T83] bus_for_each_drv+0x162/0x1e0 [ 30.397477][ T83] ? bus_rescan_devices+0x20/0x20 [ 30.402504][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.408302][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 30.413586][ T83] __device_attach+0x217/0x360 [ 30.418350][ T83] ? device_bind_driver+0xd0/0xd0 [ 30.423413][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 30.428764][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 30.434028][ T83] bus_probe_device+0x1e4/0x290 [ 30.438866][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 30.444759][ T83] device_add+0xae6/0x16f0 [ 30.449167][ T83] ? uevent_store+0x50/0x50 [ 30.453659][ T83] usb_new_device.cold+0x6a4/0xe79 [ 30.458763][ T83] hub_event+0x1dd0/0x37e0 [ 30.463169][ T83] ? hub_port_debounce+0x260/0x260 [ 30.468265][ T83] ? find_held_lock+0x2d/0x110 [ 30.473017][ T83] ? mark_held_locks+0xe0/0xe0 [ 30.477756][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.483276][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.488537][ T83] process_one_work+0x92b/0x1530 [ 30.493474][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.498835][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 30.503859][ T83] worker_thread+0x96/0xe20 [ 30.508363][ T83] ? process_one_work+0x1530/0x1530 [ 30.513568][ T83] kthread+0x318/0x420 [ 30.517626][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 30.522973][ T83] ret_from_fork+0x24/0x30 [ 30.528441][ T22] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 30.529375][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 30.535996][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.4.0-rc3+ #0 [ 30.550766][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.560814][ T22] Workqueue: usb_hub_wq hub_event [ 30.565819][ T22] Call Trace: [ 30.569099][ T22] dump_stack+0xca/0x13e [ 30.573330][ T22] sysfs_warn_dup.cold+0x1c/0x2d [ 30.578254][ T22] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 30.584306][ T22] sysfs_create_link+0x61/0xc0 [ 30.589058][ T22] device_add+0x788/0x16f0 [ 30.593457][ T22] ? uevent_store+0x50/0x50 [ 30.597946][ T22] ? __init_waitqueue_head+0x31/0x90 [ 30.603218][ T22] tty_register_device_attr+0x341/0x6f0 [ 30.608749][ T22] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 30.614282][ T22] ? mark_held_locks+0x9f/0xe0 [ 30.619031][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.624858][ T22] ? tty_port_register_device_attr+0xb9/0x110 [ 30.630913][ T22] hso_serial_common_create+0x113/0x710 [ 30.636455][ T22] ? kasan_unpoison_shadow+0x30/0x40 [ 30.641731][ T22] hso_probe+0xc93/0x1a80 [ 30.646053][ T22] usb_probe_interface+0x305/0x7a0 [ 30.651155][ T22] ? usb_probe_device+0x100/0x100 [ 30.656169][ T22] really_probe+0x281/0x6d0 [ 30.660660][ T22] driver_probe_device+0x104/0x210 [ 30.665776][ T22] __device_attach_driver+0x1c2/0x220 [ 30.671141][ T22] ? driver_allows_async_probing+0x160/0x160 [ 30.677121][ T22] bus_for_each_drv+0x162/0x1e0 [ 30.681979][ T22] ? bus_rescan_devices+0x20/0x20 [ 30.686994][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.692799][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 30.698074][ T22] __device_attach+0x217/0x360 [ 30.702829][ T22] ? device_bind_driver+0xd0/0xd0 [ 30.707842][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 30.713114][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 30.718387][ T22] bus_probe_device+0x1e4/0x290 [ 30.723225][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 30.729106][ T22] device_add+0xae6/0x16f0 [ 30.733682][ T22] ? uevent_store+0x50/0x50 [ 30.738175][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.743968][ T22] usb_set_configuration+0xdf6/0x1670 [ 30.749327][ T22] generic_probe+0x9d/0xd5 [ 30.753730][ T22] usb_probe_device+0x99/0x100 [ 30.758480][ T22] ? usb_suspend+0x620/0x620 [ 30.763128][ T22] really_probe+0x281/0x6d0 [ 30.767626][ T22] driver_probe_device+0x104/0x210 [ 30.772740][ T22] __device_attach_driver+0x1c2/0x220 [ 30.778107][ T22] ? driver_allows_async_probing+0x160/0x160 [ 30.784080][ T22] bus_for_each_drv+0x162/0x1e0 [ 30.788928][ T22] ? bus_rescan_devices+0x20/0x20 [ 30.793949][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.799832][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 30.805113][ T22] __device_attach+0x217/0x360 [ 30.809864][ T22] ? device_bind_driver+0xd0/0xd0 [ 30.814878][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 30.820153][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 30.825428][ T22] bus_probe_device+0x1e4/0x290 [ 30.830284][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 30.836336][ T22] device_add+0xae6/0x16f0 [ 30.840755][ T22] ? uevent_store+0x50/0x50 [ 30.845251][ T22] usb_new_device.cold+0x6a4/0xe79 [ 30.850350][ T22] hub_event+0x1dd0/0x37e0 [ 30.854757][ T22] ? hub_port_debounce+0x260/0x260 [ 30.859862][ T22] ? find_held_lock+0x2d/0x110 [ 30.864621][ T22] ? mark_held_locks+0xe0/0xe0 [ 30.869373][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.874924][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.880308][ T22] process_one_work+0x92b/0x1530 [ 30.885240][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.890602][ T22] worker_thread+0x96/0xe20 [ 30.895096][ T22] ? process_one_work+0x1530/0x1530 [ 30.900280][ T22] kthread+0x318/0x420 [ 30.904336][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 30.909698][ T22] ret_from_fork+0x24/0x30 [ 30.914110][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc3+ #0 [ 30.914535][ T1724] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 30.921467][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.921479][ T12] Workqueue: usb_hub_wq hub_event [ 30.921485][ T12] Call Trace: [ 30.921498][ T12] dump_stack+0xca/0x13e [ 30.921514][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 30.956407][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 30.962463][ T12] sysfs_create_link+0x61/0xc0 [ 30.967216][ T12] device_add+0x788/0x16f0 [ 30.971620][ T12] ? uevent_store+0x50/0x50 [ 30.976116][ T12] ? __init_waitqueue_head+0x31/0x90 [ 30.981386][ T12] tty_register_device_attr+0x341/0x6f0 [ 30.986920][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 30.992504][ T12] ? mark_held_locks+0x9f/0xe0 [ 30.997267][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.003063][ T12] ? tty_port_register_device_attr+0xb9/0x110 [ 31.009131][ T12] hso_serial_common_create+0x113/0x710 [ 31.014666][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 31.019956][ T12] hso_probe+0xc93/0x1a80 [ 31.024273][ T12] usb_probe_interface+0x305/0x7a0 [ 31.029373][ T12] ? usb_probe_device+0x100/0x100 [ 31.034386][ T12] really_probe+0x281/0x6d0 [ 31.038884][ T12] driver_probe_device+0x104/0x210 [ 31.043982][ T12] __device_attach_driver+0x1c2/0x220 [ 31.049360][ T12] ? driver_allows_async_probing+0x160/0x160 [ 31.055327][ T12] bus_for_each_drv+0x162/0x1e0 [ 31.060179][ T12] ? bus_rescan_devices+0x20/0x20 [ 31.065190][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.070989][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 31.076258][ T12] __device_attach+0x217/0x360 [ 31.081050][ T12] ? device_bind_driver+0xd0/0xd0 [ 31.086060][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 31.091330][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 31.096599][ T12] bus_probe_device+0x1e4/0x290 [ 31.101440][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 31.107319][ T12] device_add+0xae6/0x16f0 [ 31.111736][ T12] ? uevent_store+0x50/0x50 [ 31.116224][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.122016][ T12] usb_set_configuration+0xdf6/0x1670 [ 31.127382][ T12] generic_probe+0x9d/0xd5 [ 31.131784][ T12] usb_probe_device+0x99/0x100 [ 31.136535][ T12] ? usb_suspend+0x620/0x620 [ 31.141124][ T12] really_probe+0x281/0x6d0 [ 31.145627][ T12] driver_probe_device+0x104/0x210 [ 31.150725][ T12] __device_attach_driver+0x1c2/0x220 [ 31.156083][ T12] ? driver_allows_async_probing+0x160/0x160 [ 31.162047][ T12] bus_for_each_drv+0x162/0x1e0 [ 31.166884][ T12] ? bus_rescan_devices+0x20/0x20 [ 31.171896][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.177689][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 31.182959][ T12] __device_attach+0x217/0x360 [ 31.187707][ T12] ? device_bind_driver+0xd0/0xd0 [ 31.192716][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 31.197988][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 31.203259][ T12] bus_probe_device+0x1e4/0x290 [ 31.208098][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 31.213975][ T12] device_add+0xae6/0x16f0 [ 31.218377][ T12] ? uevent_store+0x50/0x50 [ 31.222888][ T12] usb_new_device.cold+0x6a4/0xe79 [ 31.227987][ T12] hub_event+0x1dd0/0x37e0 [ 31.232392][ T12] ? hub_port_debounce+0x260/0x260 [ 31.237489][ T12] ? find_held_lock+0x2d/0x110 [ 31.242241][ T12] ? mark_held_locks+0xe0/0xe0 [ 31.246990][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 31.252522][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 31.257794][ T12] process_one_work+0x92b/0x1530 [ 31.262820][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 31.268190][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 31.273199][ T12] worker_thread+0x96/0xe20 [ 31.277689][ T12] ? process_one_work+0x1530/0x1530 [ 31.282871][ T12] kthread+0x318/0x420 [ 31.286924][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 31.292281][ T12] ret_from_fork+0x24/0x30 [ 31.296689][ T1724] CPU: 1 PID: 1724 Comm: kworker/1:3 Not tainted 5.4.0-rc3+ #0 [ 31.304229][ T1724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.314289][ T1724] Workqueue: usb_hub_wq hub_event [ 31.316870][ T12] hso 1-1:0.15: Failed to find BULK IN ep [ 31.319298][ T1724] Call Trace: [ 31.319315][ T1724] dump_stack+0xca/0x13e [ 31.319328][ T1724] sysfs_warn_dup.cold+0x1c/0x2d [ 31.319340][ T1724] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 31.319351][ T1724] sysfs_create_link+0x61/0xc0 [ 31.319362][ T1724] device_add+0x788/0x16f0 [ 31.319373][ T1724] ? uevent_store+0x50/0x50 [ 31.319384][ T1724] ? __init_waitqueue_head+0x31/0x90 [ 31.319401][ T1724] tty_register_device_attr+0x341/0x6f0 [ 31.325193][ T12] kasan: CONFIG_KASAN_INLINE enabled [ 31.328366][ T1724] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 31.328379][ T1724] ? mark_held_locks+0x9f/0xe0 [ 31.328391][ T1724] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.328400][ T1724] ? tty_port_register_device_attr+0xb9/0x110 [ 31.328416][ T1724] hso_serial_common_create+0x113/0x710 [ 31.332661][ T12] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 31.337580][ T1724] ? kasan_unpoison_shadow+0x30/0x40 [ 31.343638][ T12] general protection fault: 0000 [#1] SMP KASAN [ 31.348386][ T1724] hso_probe+0xc93/0x1a80 [ 31.352946][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc3+ #0 [ 31.357424][ T1724] usb_probe_interface+0x305/0x7a0 [ 31.362673][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.368193][ T1724] ? usb_probe_device+0x100/0x100 [ 31.373446][ T12] Workqueue: usb_hub_wq hub_event [ 31.378957][ T1724] really_probe+0x281/0x6d0 [ 31.378971][ T1724] driver_probe_device+0x104/0x210 [ 31.383705][ T12] RIP: 0010:cdev_del+0x22/0x90 [ 31.389481][ T1724] __device_attach_driver+0x1c2/0x220 [ 31.395514][ T12] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 23 28 d4 ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 31.401030][ T1724] ? driver_allows_async_probing+0x160/0x160 [ 31.409048][ T12] RSP: 0018:ffff8881da227280 EFLAGS: 00010207 [ 31.414313][ T1724] bus_for_each_drv+0x162/0x1e0 [ 31.420519][ T12] RAX: dffffc0000000000 RBX: ffff8881d5a48e00 RCX: ffffffff820efd4e [ 31.424821][ T1724] ? bus_rescan_devices+0x20/0x20 [ 31.432162][ T12] RDX: 000000000000000c RSI: ffffffff8169f08d RDI: 0000000000000064 [ 31.437245][ T1724] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.447281][ T12] RBP: 0000000000000000 R08: ffff8881da211800 R09: fffffbfff11ab3ae [ 31.452291][ T1724] ? lockdep_hardirqs_on+0x382/0x580 [ 31.457283][ T12] R10: fffffbfff11ab3ad R11: ffffffff88d59d6f R12: 0000000000000000 [ 31.461777][ T1724] __device_attach+0x217/0x360 [ 31.466867][ T12] R13: ffff8881d5633000 R14: ffff8881cf916000 R15: ffff8881cf910070 [ 31.471617][ T1724] ? device_bind_driver+0xd0/0xd0 [ 31.476954][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 31.496632][ T1724] ? kobject_uevent_env+0x29e/0x1150 [ 31.502663][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.508702][ T1724] ? kobject_uevent_env+0x2a8/0x1150 [ 31.513516][ T12] CR2: 00007f5d43cf3000 CR3: 00000001cf8c2000 CR4: 00000000001406f0 [ 31.521466][ T1724] bus_probe_device+0x1e4/0x290 [ 31.526457][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.534432][ T1724] ? blocking_notifier_call_chain+0x54/0xa0 [ 31.540214][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.548253][ T1724] device_add+0xae6/0x16f0 [ 31.553498][ T12] Call Trace: [ 31.561461][ T1724] ? uevent_store+0x50/0x50 [ 31.566209][ T12] tty_unregister_device+0x10d/0x1a0 [ 31.574161][ T1724] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.579152][ T12] hso_probe.cold+0x6a/0x148 [ 31.588051][ T1724] usb_set_configuration+0xdf6/0x1670 [ 31.593305][ T12] usb_probe_interface+0x305/0x7a0 [ 31.599889][ T1724] generic_probe+0x9d/0xd5 [ 31.605160][ T12] ? usb_probe_device+0x100/0x100 [ 31.613205][ T1724] usb_probe_device+0x99/0x100 [ 31.620628][ T12] really_probe+0x281/0x6d0 [ 31.628582][ T1724] ? usb_suspend+0x620/0x620 [ 31.634445][ T12] driver_probe_device+0x104/0x210 [ 31.642486][ T1724] really_probe+0x281/0x6d0 [ 31.646873][ T12] __device_attach_driver+0x1c2/0x220 [ 31.650137][ T1724] driver_probe_device+0x104/0x210 [ 31.654623][ T12] ? driver_allows_async_probing+0x160/0x160 [ 31.659888][ T1724] __device_attach_driver+0x1c2/0x220 [ 31.665689][ T12] bus_for_each_drv+0x162/0x1e0 [ 31.670248][ T1724] ? driver_allows_async_probing+0x160/0x160 [ 31.676021][ T12] ? bus_rescan_devices+0x20/0x20 [ 31.681114][ T1724] bus_for_each_drv+0x162/0x1e0 [ 31.685511][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.690531][ T1724] ? bus_rescan_devices+0x20/0x20 [ 31.695266][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 31.699740][ T1724] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.704299][ T12] __device_attach+0x217/0x360 [ 31.709393][ T1724] ? lockdep_hardirqs_on+0x382/0x580 [ 31.713867][ T12] ? device_bind_driver+0xd0/0xd0 [ 31.719208][ T1724] __device_attach+0x217/0x360 [ 31.724289][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 31.730245][ T1724] ? device_bind_driver+0xd0/0xd0 [ 31.735586][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 31.740417][ T1724] ? kobject_uevent_env+0x29e/0x1150 [ 31.746451][ T12] bus_probe_device+0x1e4/0x290 [ 31.751458][ T1724] ? kobject_uevent_env+0x2a8/0x1150 [ 31.756293][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 31.762065][ T1724] bus_probe_device+0x1e4/0x290 [ 31.767084][ T12] device_add+0xae6/0x16f0 [ 31.772348][ T1724] ? blocking_notifier_call_chain+0x54/0xa0 [ 31.778140][ T12] ? uevent_store+0x50/0x50 [ 31.782875][ T1724] device_add+0xae6/0x16f0 [ 31.788133][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.793145][ T1724] ? uevent_store+0x50/0x50 [ 31.797882][ T12] usb_set_configuration+0xdf6/0x1670 [ 31.803138][ T1724] usb_new_device.cold+0x6a4/0xe79 [ 31.808149][ T12] generic_probe+0x9d/0xd5 [ 31.813401][ T1724] hub_event+0x1dd0/0x37e0 [ 31.818657][ T12] usb_probe_device+0x99/0x100 [ 31.823477][ T1724] ? hub_port_debounce+0x260/0x260 [ 31.828744][ T12] ? usb_suspend+0x620/0x620 [ 31.834610][ T1724] ? find_held_lock+0x2d/0x110 [ 31.839441][ T12] really_probe+0x281/0x6d0 [ 31.843842][ T1724] ? mark_held_locks+0xe0/0xe0 [ 31.849708][ T12] driver_probe_device+0x104/0x210 [ 31.854181][ T1724] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 31.858572][ T12] __device_attach_driver+0x1c2/0x220 [ 31.864355][ T1724] ? rcu_read_lock_bh_held+0xb0/0xb0 executing program executing program executing program executing program [ 31.868833][ T12] ? driver_allows_async_probing+0x160/0x160 [ 31.874187][ T1724] process_one_work+0x92b/0x1530 [ 31.879264][ T12] bus_for_each_drv+0x162/0x1e0 [ 31.883650][ T1724] ? pwq_dec_nr_in_flight+0x310/0x310 [ 31.888033][ T12] ? bus_rescan_devices+0x20/0x20 [ 31.892766][ T1724] worker_thread+0x96/0xe20 [ 31.897859][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 31.902420][ T1724] ? process_one_work+0x1530/0x1530 [ 31.907418][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 31.911888][ T1724] kthread+0x318/0x420 [ 31.916625][ T12] __device_attach+0x217/0x360 [ 31.921706][ T1724] ? kthread_create_on_node+0xf0/0xf0 [ 31.927219][ T12] ? device_bind_driver+0xd0/0xd0 [ 31.932560][ T1724] ret_from_fork+0x24/0x30 [ 31.937826][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 31.944651][ T17] hso 2-1:0.15: Failed to find BULK IN ep [ 31.948689][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 31.948699][ T12] bus_probe_device+0x1e4/0x290 [ 31.948716][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 31.953772][ T83] hso 6-1:0.15: Failed to find BULK IN ep [ 31.958974][ T12] device_add+0xae6/0x16f0 [ 31.958984][ T12] ? uevent_store+0x50/0x50 [ 31.958999][ T12] usb_new_device.cold+0x6a4/0xe79 [ 31.969273][ T83] ------------[ cut here ]------------ [ 31.974252][ T12] hub_event+0x1dd0/0x37e0 [ 31.974266][ T12] ? hub_port_debounce+0x260/0x260 [ 31.979451][ T83] sysfs group 'power' not found for kobject 'ttyHS0' [ 31.984698][ T12] ? find_held_lock+0x2d/0x110 [ 31.988806][ T83] WARNING: CPU: 1 PID: 83 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 31.993475][ T12] ? mark_held_locks+0xe0/0xe0 [ 31.998809][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 32.003805][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 32.106787][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 32.112050][ T12] process_one_work+0x92b/0x1530 [ 32.116965][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 32.122313][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 32.127314][ T12] worker_thread+0x96/0xe20 [ 32.131794][ T12] ? process_one_work+0x1530/0x1530 [ 32.136967][ T12] kthread+0x318/0x420 [ 32.141009][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 32.146360][ T12] ret_from_fork+0x24/0x30 [ 32.150861][ T12] Modules linked in: [ 32.155925][ T83] Kernel Offset: disabled [ 32.160232][ T83] Rebooting in 86400 seconds..