Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 40.374031][ T12] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 40.374038][ T2486] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 40.374342][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 40.384073][ T4626] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 40.404652][ T4627] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 40.412301][ T5] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 40.614126][ T12] usb 4-1: Using ep0 maxpacket: 8 [ 40.644005][ T4627] usb 5-1: Using ep0 maxpacket: 8 [ 40.653978][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 40.654156][ T5] usb 6-1: Using ep0 maxpacket: 8 [ 40.659172][ T2486] usb 1-1: Using ep0 maxpacket: 8 [ 40.664298][ T4626] usb 3-1: Using ep0 maxpacket: 8 [ 40.754149][ T12] usb 4-1: config 0 has an invalid interface number: 2 but max is 0 [ 40.762339][ T12] usb 4-1: config 0 has no interface number 0 [ 40.768558][ T4627] usb 5-1: config 0 has an invalid interface number: 2 but max is 0 [ 40.776636][ T4627] usb 5-1: config 0 has no interface number 0 [ 40.782993][ T4627] usb 5-1: New USB device found, idVendor=0af0, idProduct=7031, bcdDevice=20.5c [ 40.792116][ T4627] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.800454][ T12] usb 4-1: New USB device found, idVendor=0af0, idProduct=7031, bcdDevice=20.5c [ 40.804089][ T17] usb 2-1: config 0 has an invalid interface number: 2 but max is 0 [ 40.809552][ T12] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.817553][ T17] usb 2-1: config 0 has no interface number 0 [ 40.818161][ T2486] usb 1-1: config 0 has an invalid interface number: 2 but max is 0 [ 40.825718][ T5] usb 6-1: config 0 has an invalid interface number: 2 but max is 0 [ 40.831704][ T2486] usb 1-1: config 0 has no interface number 0 [ 40.831868][ T2486] usb 1-1: New USB device found, idVendor=0af0, idProduct=7031, bcdDevice=20.5c [ 40.839757][ T5] usb 6-1: config 0 has no interface number 0 [ 40.839840][ T4626] usb 3-1: config 0 has an invalid interface number: 2 but max is 0 [ 40.847808][ T2486] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.853860][ T4626] usb 3-1: config 0 has no interface number 0 [ 40.863418][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=7031, bcdDevice=20.5c [ 40.869707][ T5] usb 6-1: New USB device found, idVendor=0af0, idProduct=7031, bcdDevice=20.5c [ 40.877013][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.885814][ T17] usb 2-1: config 0 descriptor?? [ 40.891217][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.891468][ T4627] usb 5-1: config 0 descriptor?? [ 40.908538][ T2486] usb 1-1: config 0 descriptor?? [ 40.909799][ T4626] usb 3-1: New USB device found, idVendor=0af0, idProduct=7031, bcdDevice=20.5c [ 40.949291][ T4626] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.957552][ T12] usb 4-1: config 0 descriptor?? [ 40.963206][ T5] usb 6-1: config 0 descriptor?? [ 40.969334][ T4626] usb 3-1: config 0 descriptor?? [ 40.973635][ T2486] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 40.982013][ T2486] CPU: 1 PID: 2486 Comm: kworker/1:2 Not tainted 5.2.0-rc1+ #9 [ 40.989549][ T2486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.994830][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 40.999634][ T2486] Workqueue: usb_hub_wq hub_event [ 40.999645][ T2486] Call Trace: [ 41.015446][ T2486] dump_stack+0xca/0x13e [ 41.019676][ T2486] sysfs_warn_dup.cold+0x1c/0x2d [ 41.024599][ T2486] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 41.030637][ T2486] sysfs_create_link+0x61/0xc0 [ 41.035386][ T2486] device_add+0x788/0x1700 [ 41.039779][ T2486] ? uevent_store+0x50/0x50 [ 41.044266][ T2486] ? __init_waitqueue_head+0x31/0x90 [ 41.049534][ T2486] tty_register_device_attr+0x341/0x6f0 [ 41.055057][ T2486] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 41.060577][ T2486] ? do_raw_spin_lock+0x11a/0x280 [ 41.065621][ T2486] ? mark_held_locks+0x9f/0xe0 [ 41.070410][ T2486] ? tty_port_link_device+0x55/0xd0 [ 41.075592][ T2486] hso_serial_common_create+0x113/0x710 [ 41.081125][ T2486] ? lockdep_init_map+0x1b0/0x5e0 [ 41.086138][ T2486] hso_probe+0xc93/0x1a46 [ 41.090449][ T2486] usb_probe_interface+0x30b/0x7a0 [ 41.095551][ T2486] ? usb_probe_device+0x100/0x100 [ 41.100568][ T2486] really_probe+0x287/0x660 [ 41.105055][ T2486] driver_probe_device+0x104/0x210 [ 41.110146][ T2486] __device_attach_driver+0x1c4/0x230 [ 41.115647][ T2486] ? driver_allows_async_probing+0x160/0x160 [ 41.121609][ T2486] bus_for_each_drv+0x15e/0x1e0 [ 41.126446][ T2486] ? bus_rescan_devices+0x20/0x20 [ 41.131457][ T2486] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.137251][ T2486] ? lockdep_hardirqs_on+0x379/0x580 [ 41.142557][ T2486] __device_attach+0x217/0x360 [ 41.147304][ T2486] ? device_bind_driver+0xd0/0xd0 [ 41.152303][ T2486] ? kobject_uevent_env+0x2a2/0x1170 [ 41.157567][ T2486] ? kobject_uevent_env+0x2ac/0x1170 [ 41.162837][ T2486] bus_probe_device+0x1e6/0x290 [ 41.167678][ T2486] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.173558][ T2486] device_add+0xae6/0x1700 [ 41.177959][ T2486] ? uevent_store+0x50/0x50 [ 41.182460][ T2486] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.188254][ T2486] usb_set_configuration+0xdf6/0x1670 [ 41.193603][ T2486] generic_probe+0x9d/0xd5 [ 41.198009][ T2486] usb_probe_device+0xa2/0x100 [ 41.202844][ T2486] ? usb_suspend+0x620/0x620 [ 41.207478][ T2486] really_probe+0x287/0x660 [ 41.211973][ T2486] driver_probe_device+0x104/0x210 [ 41.217074][ T2486] __device_attach_driver+0x1c4/0x230 [ 41.222430][ T2486] ? driver_allows_async_probing+0x160/0x160 [ 41.228441][ T2486] bus_for_each_drv+0x15e/0x1e0 [ 41.233319][ T2486] ? bus_rescan_devices+0x20/0x20 [ 41.238331][ T2486] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.244111][ T2486] ? lockdep_hardirqs_on+0x379/0x580 [ 41.249380][ T2486] __device_attach+0x217/0x360 [ 41.254151][ T2486] ? device_bind_driver+0xd0/0xd0 [ 41.259175][ T2486] ? kobject_uevent_env+0x2a2/0x1170 [ 41.264444][ T2486] ? kobject_uevent_env+0x2ac/0x1170 [ 41.269745][ T2486] bus_probe_device+0x1e6/0x290 [ 41.274583][ T2486] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.280457][ T2486] device_add+0xae6/0x1700 [ 41.284855][ T2486] ? uevent_store+0x50/0x50 [ 41.289335][ T2486] usb_new_device.cold+0x8c1/0x1016 [ 41.294516][ T2486] ? usb_port_suspend+0xa40/0xa40 [ 41.299527][ T2486] ? mark_held_locks+0x9f/0xe0 [ 41.304281][ T2486] ? _raw_spin_unlock_irq+0x24/0x30 [ 41.309458][ T2486] hub_event+0x1adc/0x35a0 [ 41.313859][ T2486] ? hub_port_debounce+0x260/0x260 [ 41.318959][ T2486] process_one_work+0x90a/0x1580 [ 41.323884][ T2486] ? pwq_dec_nr_in_flight+0x310/0x310 [ 41.329364][ T2486] ? do_raw_spin_lock+0x11a/0x280 [ 41.334369][ T2486] worker_thread+0x96/0xe20 [ 41.338858][ T2486] ? process_one_work+0x1580/0x1580 [ 41.344048][ T2486] kthread+0x30e/0x420 [ 41.348146][ T2486] ? kthread_park+0x1a0/0x1a0 [ 41.352809][ T2486] ret_from_fork+0x3a/0x50 [ 41.357214][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc1+ #9 [ 41.364597][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.364611][ T12] Workqueue: usb_hub_wq hub_event [ 41.364622][ T12] Call Trace: [ 41.364634][ T12] dump_stack+0xca/0x13e [ 41.387323][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 41.392250][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 41.398397][ T12] sysfs_create_link+0x61/0xc0 [ 41.403143][ T12] device_add+0x788/0x1700 [ 41.407538][ T12] ? uevent_store+0x50/0x50 [ 41.412215][ T12] ? __init_waitqueue_head+0x31/0x90 [ 41.417485][ T12] tty_register_device_attr+0x341/0x6f0 [ 41.423189][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 41.428713][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 41.433710][ T12] ? mark_held_locks+0x9f/0xe0 [ 41.438451][ T12] ? tty_port_link_device+0x55/0xd0 [ 41.443633][ T12] hso_serial_common_create+0x113/0x710 [ 41.449193][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 41.454205][ T12] hso_probe+0xc93/0x1a46 [ 41.458516][ T12] usb_probe_interface+0x30b/0x7a0 [ 41.463612][ T12] ? usb_probe_device+0x100/0x100 [ 41.468616][ T12] really_probe+0x287/0x660 [ 41.473112][ T12] driver_probe_device+0x104/0x210 [ 41.478204][ T12] __device_attach_driver+0x1c4/0x230 [ 41.483552][ T12] ? driver_allows_async_probing+0x160/0x160 [ 41.489506][ T12] bus_for_each_drv+0x15e/0x1e0 [ 41.494340][ T12] ? bus_rescan_devices+0x20/0x20 [ 41.499343][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.505133][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 41.510392][ T12] __device_attach+0x217/0x360 [ 41.515140][ T12] ? device_bind_driver+0xd0/0xd0 [ 41.520230][ T12] ? kobject_uevent_env+0x2a2/0x1170 [ 41.525501][ T12] ? kobject_uevent_env+0x2ac/0x1170 [ 41.530769][ T12] bus_probe_device+0x1e6/0x290 [ 41.535598][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.541500][ T12] device_add+0xae6/0x1700 [ 41.546094][ T12] ? uevent_store+0x50/0x50 [ 41.550574][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.556408][ T12] usb_set_configuration+0xdf6/0x1670 [ 41.561768][ T12] generic_probe+0x9d/0xd5 [ 41.566162][ T12] usb_probe_device+0xa2/0x100 [ 41.570906][ T12] ? usb_suspend+0x620/0x620 [ 41.575475][ T12] really_probe+0x287/0x660 [ 41.580084][ T12] driver_probe_device+0x104/0x210 [ 41.585172][ T12] __device_attach_driver+0x1c4/0x230 [ 41.590519][ T12] ? driver_allows_async_probing+0x160/0x160 [ 41.596481][ T12] bus_for_each_drv+0x15e/0x1e0 [ 41.601308][ T12] ? bus_rescan_devices+0x20/0x20 [ 41.612266][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.618164][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 41.623477][ T12] __device_attach+0x217/0x360 [ 41.628237][ T12] ? device_bind_driver+0xd0/0xd0 [ 41.633258][ T12] ? kobject_uevent_env+0x2a2/0x1170 [ 41.638547][ T12] ? kobject_uevent_env+0x2ac/0x1170 [ 41.643822][ T12] bus_probe_device+0x1e6/0x290 [ 41.648677][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.654589][ T12] device_add+0xae6/0x1700 [ 41.659236][ T12] ? uevent_store+0x50/0x50 [ 41.663737][ T12] usb_new_device.cold+0x8c1/0x1016 [ 41.668939][ T12] ? usb_port_suspend+0xa40/0xa40 [ 41.673959][ T12] ? mark_held_locks+0x9f/0xe0 [ 41.678728][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 41.683940][ T12] hub_event+0x1adc/0x35a0 [ 41.688358][ T12] ? hub_port_debounce+0x260/0x260 [ 41.693487][ T12] process_one_work+0x90a/0x1580 [ 41.698434][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 41.703814][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 41.708834][ T12] worker_thread+0x96/0xe20 [ 41.713334][ T12] ? process_one_work+0x1580/0x1580 [ 41.718525][ T12] kthread+0x30e/0x420 [ 41.722742][ T12] ? kthread_park+0x1a0/0x1a0 [ 41.727427][ T12] ret_from_fork+0x3a/0x50 [ 41.733635][ T5] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 41.736279][ T17] hso 2-1:0.2: Failed to find BULK IN ep [ 41.741160][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.2.0-rc1+ #9 [ 41.741167][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.741193][ T5] Workqueue: usb_hub_wq hub_event [ 41.754165][ T5] Call Trace: [ 41.754187][ T5] dump_stack+0xca/0x13e [ 41.769327][ T5] sysfs_warn_dup.cold+0x1c/0x2d [ 41.769341][ T5] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 41.769352][ T5] sysfs_create_link+0x61/0xc0 [ 41.769364][ T5] device_add+0x788/0x1700 [ 41.769382][ T5] ? uevent_store+0x50/0x50 [ 41.776896][ T5] ? __init_waitqueue_head+0x31/0x90 [ 41.787866][ T5] tty_register_device_attr+0x341/0x6f0 [ 41.787880][ T5] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 41.787893][ T5] ? do_raw_spin_lock+0x11a/0x280 [ 41.787911][ T5] ? mark_held_locks+0x9f/0xe0 [ 41.801565][ T5] ? tty_port_link_device+0x55/0xd0 [ 41.801587][ T5] hso_serial_common_create+0x113/0x710 [ 41.818083][ T5] ? lockdep_init_map+0x1b0/0x5e0 [ 41.827846][ T5] hso_probe+0xc93/0x1a46 [ 41.827863][ T5] usb_probe_interface+0x30b/0x7a0 [ 41.827876][ T5] ? usb_probe_device+0x100/0x100 executing program executing program executing program executing program [ 41.827890][ T5] really_probe+0x287/0x660 [ 41.827908][ T5] driver_probe_device+0x104/0x210 [ 41.838634][ T5] __device_attach_driver+0x1c4/0x230 [ 41.847963][ T5] ? driver_allows_async_probing+0x160/0x160 [ 41.858092][ T5] bus_for_each_drv+0x15e/0x1e0 [ 41.870398][ T17] usb 2-1: USB disconnect, device number 2 [ 41.873071][ T5] ? bus_rescan_devices+0x20/0x20 [ 41.873089][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.873103][ T5] ? lockdep_hardirqs_on+0x379/0x580 [ 41.873115][ T5] __device_attach+0x217/0x360 [ 41.873133][ T5] ? device_bind_driver+0xd0/0xd0 [ 41.889745][ T5] ? kobject_uevent_env+0x2a2/0x1170 [ 41.889760][ T5] ? kobject_uevent_env+0x2ac/0x1170 [ 41.889774][ T5] bus_probe_device+0x1e6/0x290 [ 41.889795][ T5] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.905871][ T5] device_add+0xae6/0x1700 [ 41.915629][ T5] ? uevent_store+0x50/0x50 [ 41.915646][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.915659][ T5] usb_set_configuration+0xdf6/0x1670 [ 41.915672][ T5] generic_probe+0x9d/0xd5 [ 41.915690][ T5] usb_probe_device+0xa2/0x100 [ 41.926251][ T5] ? usb_suspend+0x620/0x620 [ 41.937059][ T5] really_probe+0x287/0x660 [ 41.937074][ T5] driver_probe_device+0x104/0x210 [ 41.937088][ T5] __device_attach_driver+0x1c4/0x230 [ 41.937102][ T5] ? driver_allows_async_probing+0x160/0x160 [ 41.937113][ T5] bus_for_each_drv+0x15e/0x1e0 [ 41.937124][ T5] ? bus_rescan_devices+0x20/0x20 [ 41.937146][ T5] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.946052][ T5] ? lockdep_hardirqs_on+0x379/0x580 [ 41.957197][ T5] __device_attach+0x217/0x360 [ 41.957211][ T5] ? device_bind_driver+0xd0/0xd0 [ 41.957232][ T5] ? kobject_uevent_env+0x2a2/0x1170 [ 41.963571][ T4640] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 41.966394][ T5] ? kobject_uevent_env+0x2ac/0x1170 [ 41.973957][ T4625] usb-fuzzer-gadget dummy_udc.2: unregistering UDC driver [USB fuzzer] [ 41.975459][ T5] bus_probe_device+0x1e6/0x290 [ 41.975475][ T5] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.975487][ T5] device_add+0xae6/0x1700 [ 41.975498][ T5] ? uevent_store+0x50/0x50 [ 41.975513][ T5] usb_new_device.cold+0x8c1/0x1016 [ 41.975531][ T5] ? usb_port_suspend+0xa40/0xa40 [ 41.980888][ T4625] dummy_hcd dummy_hcd.2: port status 0x00010100 has changes [ 41.986010][ T5] ? mark_held_locks+0x9f/0xe0 [ 41.994953][ T2486] hso 1-1:0.2: Failed to find BULK IN ep [ 41.996815][ T5] ? _raw_spin_unlock_irq+0x24/0x30 [ 41.996830][ T5] hub_event+0x1adc/0x35a0 [ 41.996844][ T5] ? hub_port_debounce+0x260/0x260 [ 41.996861][ T5] process_one_work+0x90a/0x1580 [ 41.996881][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 42.002096][ T2486] kasan: CONFIG_KASAN_INLINE enabled [ 42.007686][ T5] worker_thread+0x96/0xe20 [ 42.007701][ T5] ? process_one_work+0x1580/0x1580 [ 42.007713][ T5] kthread+0x30e/0x420 [ 42.007723][ T5] ? kthread_park+0x1a0/0x1a0 [ 42.007736][ T5] ret_from_fork+0x3a/0x50 [ 42.010226][ T4626] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 42.013097][ T2486] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.013116][ T2486] general protection fault: 0000 [#1] SMP KASAN PTI [ 42.017900][ T4626] CPU: 0 PID: 4626 Comm: kworker/0:2 Not tainted 5.2.0-rc1+ #9 [ 42.022876][ T2486] CPU: 1 PID: 2486 Comm: kworker/1:2 Not tainted 5.2.0-rc1+ #9 [ 42.028146][ T4626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.035404][ T2486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.035425][ T2486] Workqueue: usb_hub_wq hub_event [ 42.040689][ T4626] Workqueue: usb_hub_wq hub_event [ 42.048917][ T2486] RIP: 0010:cdev_del+0x22/0x90 [ 42.053739][ T4626] Call Trace: [ 42.059622][ T2486] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 93 a5 d5 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 [ 42.064029][ T4626] dump_stack+0xca/0x13e [ 42.068506][ T2486] RSP: 0018:ffff8881d18e7218 EFLAGS: 00010207 [ 42.073695][ T4626] sysfs_warn_dup.cold+0x1c/0x2d [ 42.078689][ T2486] RAX: dffffc0000000000 RBX: ffff8881d249a100 RCX: ffffffff820d879e [ 42.078704][ T2486] RDX: 000000000000000c RSI: ffffffff8167705d RDI: 0000000000000064 [ 42.085985][ T4626] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 42.090734][ T2486] RBP: 0000000000000000 R08: ffff8881d18d1800 R09: 0000000000000000 [ 42.096442][ T4626] sysfs_create_link+0x61/0xc0 [ 42.101617][ T2486] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.106026][ T4626] device_add+0x788/0x1700 [ 42.111114][ T2486] R13: ffff8881d25c9100 R14: 0000000000000000 R15: ffff8881cc2a8070 [ 42.116038][ T4626] ? uevent_store+0x50/0x50 [ 42.121390][ T2486] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 42.126663][ T4626] ? __init_waitqueue_head+0x31/0x90 [ 42.131147][ T2486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.136555][ T4626] tty_register_device_attr+0x341/0x6f0 [ 42.140604][ T2486] CR2: 00007f35af318000 CR3: 00000001cc182000 CR4: 00000000001406e0 [ 42.145272][ T4626] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 42.149664][ T2486] Call Trace: [ 42.157118][ T4626] ? do_raw_spin_lock+0x11a/0x280 [ 42.165165][ T2486] tty_unregister_device+0x10d/0x1a0 [ 42.171738][ T4626] ? mark_held_locks+0x9f/0xe0 [ 42.179265][ T2486] hso_probe.cold+0xc8/0x120 [ 42.186788][ T4626] ? tty_port_link_device+0x55/0xd0 [ 42.196833][ T2486] usb_probe_interface+0x30b/0x7a0 [ 42.206891][ T4626] hso_serial_common_create+0x113/0x710 [ 42.211900][ T2486] ? usb_probe_device+0x100/0x100 [ 42.216928][ T4626] ? lockdep_init_map+0x1b0/0x5e0 [ 42.221683][ T2486] really_probe+0x287/0x660 [ 42.224959][ T4626] hso_probe+0xc93/0x1a46 [ 42.244582][ T2486] driver_probe_device+0x104/0x210 [ 42.248899][ T4626] usb_probe_interface+0x30b/0x7a0 [ 42.254949][ T2486] __device_attach_driver+0x1c4/0x230 [ 42.259873][ T4626] ? usb_probe_device+0x100/0x100 [ 42.267854][ T2486] ? driver_allows_async_probing+0x160/0x160 [ 42.275818][ T4626] really_probe+0x287/0x660 [ 42.281957][ T2486] bus_for_each_drv+0x15e/0x1e0 [ 42.289920][ T4626] driver_probe_device+0x104/0x210 [ 42.294784][ T2486] ? bus_rescan_devices+0x20/0x20 [ 42.302743][ T4626] __device_attach_driver+0x1c4/0x230 [ 42.307153][ T2486] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.315113][ T4626] ? driver_allows_async_probing+0x160/0x160 [ 42.319607][ T2486] ? lockdep_hardirqs_on+0x379/0x580 [ 42.328540][ T4626] bus_for_each_drv+0x15e/0x1e0 [ 42.333828][ T2486] __device_attach+0x217/0x360 [ 42.340403][ T4626] ? bus_rescan_devices+0x20/0x20 [ 42.345938][ T2486] ? device_bind_driver+0xd0/0xd0 [ 42.353907][ T4626] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.359426][ T2486] ? kobject_uevent_env+0x2a2/0x1170 [ 42.359444][ T2486] ? kobject_uevent_env+0x2ac/0x1170 [ 42.362721][ T4626] ? lockdep_hardirqs_on+0x379/0x580 [ 42.367730][ T2486] bus_probe_device+0x1e6/0x290 [ 42.372999][ T4626] __device_attach+0x217/0x360 [ 42.377749][ T2486] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.382320][ T4626] ? device_bind_driver+0xd0/0xd0 [ 42.387535][ T2486] device_add+0xae6/0x1700 [ 42.392630][ T4626] ? kobject_uevent_env+0x2a2/0x1170 [ 42.398159][ T2486] ? uevent_store+0x50/0x50 [ 42.403183][ T4626] ? kobject_uevent_env+0x2ac/0x1170 [ 42.408203][ T2486] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.412687][ T4626] bus_probe_device+0x1e6/0x290 [ 42.417005][ T2486] usb_set_configuration+0xdf6/0x1670 [ 42.422099][ T4626] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.427301][ T2486] generic_probe+0x9d/0xd5 [ 42.432657][ T4626] device_add+0xae6/0x1700 [ 42.437664][ T2486] usb_probe_device+0xa2/0x100 [ 42.443624][ T4626] ? uevent_store+0x50/0x50 [ 42.448114][ T2486] ? usb_suspend+0x620/0x620 [ 42.452977][ T4626] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.458075][ T2486] really_probe+0x287/0x660 [ 42.463129][ T4626] usb_set_configuration+0xdf6/0x1670 [ 42.470181][ T2486] driver_probe_device+0x104/0x210 [ 42.476950][ T4626] generic_probe+0x9d/0xd5 [ 42.482955][ T2486] __device_attach_driver+0x1c4/0x230 [ 42.488225][ T4626] usb_probe_device+0xa2/0x100 [ 42.493066][ T2486] ? driver_allows_async_probing+0x160/0x160 [ 42.497840][ T4626] ? usb_suspend+0x620/0x620 [ 42.502847][ T2486] bus_for_each_drv+0x15e/0x1e0 [ 42.507851][ T4626] really_probe+0x287/0x660 [ 42.513637][ T2486] ? bus_rescan_devices+0x20/0x20 [ 42.518905][ T4626] driver_probe_device+0x104/0x210 [ 42.524178][ T2486] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.529439][ T4626] __device_attach_driver+0x1c4/0x230 [ 42.534278][ T2486] ? lockdep_hardirqs_on+0x379/0x580 [ 42.539032][ T4626] ? driver_allows_async_probing+0x160/0x160 [ 42.544908][ T2486] __device_attach+0x217/0x360 [ 42.549914][ T4626] bus_for_each_drv+0x15e/0x1e0 [ 42.554313][ T2486] ? device_bind_driver+0xd0/0xd0 [ 42.559584][ T4626] ? bus_rescan_devices+0x20/0x20 [ 42.564070][ T2486] ? kobject_uevent_env+0x2a2/0x1170 [ 42.569333][ T4626] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 42.575125][ T2486] ? kobject_uevent_env+0x2ac/0x1170 [ 42.579961][ T4626] ? lockdep_hardirqs_on+0x379/0x580 [ 42.585311][ T2486] bus_probe_device+0x1e6/0x290 [ 42.591183][ T4626] __device_attach+0x217/0x360 [ 42.595586][ T2486] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.599998][ T4626] ? device_bind_driver+0xd0/0xd0 [ 42.604745][ T2486] device_add+0xae6/0x1700 [ 42.609234][ T4626] ? kobject_uevent_env+0x2a2/0x1170 [ 42.613807][ T2486] ? uevent_store+0x50/0x50 [ 42.619602][ T4626] ? kobject_uevent_env+0x2ac/0x1170 [ 42.624092][ T2486] usb_new_device.cold+0x8c1/0x1016 [ 42.629448][ T4626] bus_probe_device+0x1e6/0x290 [ 42.634542][ T2486] ? usb_port_suspend+0xa40/0xa40 [ 42.638940][ T4626] ? blocking_notifier_call_chain+0x54/0xa0 [ 42.644292][ T2486] ? mark_held_locks+0x9f/0xe0 [ 42.649044][ T4626] device_add+0xae6/0x1700 executing program [ 42.655021][ T2486] ? _raw_spin_unlock_irq+0x24/0x30 [ 42.659594][ T4626] ? uevent_store+0x50/0x50 [ 42.664436][ T2486] hub_event+0x1adc/0x35a0 [ 42.668928][ T4626] usb_new_device.cold+0x8c1/0x1016 [ 42.673937][ T2486] ? hub_port_debounce+0x260/0x260 [ 42.679051][ T4626] ? usb_port_suspend+0xa40/0xa40 [ 42.684834][ T2486] process_one_work+0x90a/0x1580 [ 42.690206][ T4626] ? mark_held_locks+0x9f/0xe0 [ 42.695473][ T2486] ? pwq_dec_nr_in_flight+0x310/0x310 [ 42.701433][ T4626] ? _raw_spin_unlock_irq+0x24/0x30 [ 42.706189][ T2486] ? do_raw_spin_lock+0x11a/0x280 [ 42.711033][ T4626] hub_event+0x1adc/0x35a0 [ 42.716031][ T2486] worker_thread+0x96/0xe20 [ 42.716050][ T2486] ? process_one_work+0x1580/0x1580 [ 42.721148][ T4626] ? hub_port_debounce+0x260/0x260 [ 42.726421][ T2486] kthread+0x30e/0x420 [ 42.732216][ T4626] process_one_work+0x90a/0x1580 [ 42.737538][ T2486] ? kthread_park+0x1a0/0x1a0 [ 42.742822][ T4626] ? pwq_dec_nr_in_flight+0x310/0x310 [ 42.747687][ T2486] ret_from_fork+0x3a/0x50 [ 42.753349][ T4626] worker_thread+0x96/0xe20 [ 42.759214][ T2486] Modules linked in: [ 42.764246][ T4626] ? process_one_work+0x1580/0x1580 [ 42.768981][ T2486] ---[ end trace 3b56fa5a205cba42 ]--- [ 42.773903][ T4626] kthread+0x30e/0x420 [ 42.778410][ T2486] RIP: 0010:cdev_del+0x22/0x90 [ 42.783669][ T4626] ? kthread_park+0x1a0/0x1a0 [ 42.788860][ T2486] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 93 a5 d5 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 [ 42.793686][ T4626] ret_from_fork+0x3a/0x50 [ 42.798690][ T2486] RSP: 0018:ffff8881d18e7218 EFLAGS: 00010207 [ 42.810476][ T4627] hso 5-1:0.2: Failed to find BULK IN ep [ 42.813723][ T2486] RAX: dffffc0000000000 RBX: ffff8881d249a100 RCX: ffffffff820d879e [ 42.813730][ T2486] RDX: 000000000000000c RSI: ffffffff8167705d RDI: 0000000000000064 [ 42.813737][ T2486] RBP: 0000000000000000 R08: ffff8881d18d1800 R09: 0000000000000000 [ 42.813743][ T2486] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.813758][ T2486] R13: ffff8881d25c9100 R14: 0000000000000000 R15: ffff8881cc2a8070 [ 42.821791][ T4644] udc dummy_udc.1: registering UDC driver [USB fuzzer] [ 42.823520][ T2486] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 42.823532][ T2486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.823539][ T2486] CR2: 00007f35af318000 CR3: 00000001cc182000 CR4: 00000000001406e0 [ 42.823550][ T2486] Kernel panic - not syncing: Fatal exception [ 42.834284][ T4627] dummy_hcd dummy_hcd.4: port status 0x00010101 has changes [ 43.062600][ T2486] Kernel Offset: disabled [ 43.066922][ T2486] Rebooting in 86400 seconds..