Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 34.834782][ T4389] cgroup: Unknown subsys name 'perf_event' [ 34.842477][ T4389] cgroup: Unknown subsys name 'net_cls' [ 38.761955][ T4381] can: request_module (can-proto-0) failed. [ 38.774001][ T4381] can: request_module (can-proto-2) failed. [ 38.786489][ T4381] can: request_module (can-proto-0) failed. [ 38.798331][ T4381] can: request_module (can-proto-7) failed. [ 38.809886][ T4381] can: request_module (can-proto-0) failed. [ 38.821056][ T4381] can: request_module (can-proto-1) failed. Warning: Permanently added '10.128.10.13' (ECDSA) to the list of known hosts. 2021/04/04 12:29:41 parsed 1 programs 2021/04/04 12:29:43 executed programs: 0 [ 48.243208][ T4976] cgroup: Unknown subsys name 'perf_event' [ 48.249729][ T4976] cgroup: Unknown subsys name 'net_cls' [ 48.263022][ T4977] cgroup: Unknown subsys name 'perf_event' [ 48.269582][ T4977] cgroup: Unknown subsys name 'net_cls' [ 48.291499][ T4979] cgroup: Unknown subsys name 'perf_event' [ 48.298043][ T4979] cgroup: Unknown subsys name 'net_cls' [ 48.322084][ T4982] cgroup: Unknown subsys name 'perf_event' [ 48.328931][ T4982] cgroup: Unknown subsys name 'net_cls' [ 48.357127][ T4988] cgroup: Unknown subsys name 'perf_event' [ 48.369571][ T4988] cgroup: Unknown subsys name 'net_cls' [ 48.370514][ T4991] cgroup: Unknown subsys name 'perf_event' [ 48.411675][ T4991] cgroup: Unknown subsys name 'net_cls' [ 59.719219][ T7] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 59.988975][ T7] usb 3-1: Using ep0 maxpacket: 8 [ 60.069152][ T1546] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 60.119111][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 60.128377][ T7] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.160446][ T7] usb 3-1: config 0 descriptor?? [ 60.188900][ T2606] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 60.318731][ T7684] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 60.338955][ T1546] usb 4-1: Using ep0 maxpacket: 8 [ 60.344201][ T7713] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 60.378834][ T32] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 60.428730][ T2606] usb 2-1: Using ep0 maxpacket: 8 [ 60.431726][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 60.508764][ T1546] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 60.517939][ T1546] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.528700][ T1546] usb 4-1: config 0 descriptor?? [ 60.548798][ T2606] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 60.557880][ T2606] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.568436][ T2606] usb 2-1: config 0 descriptor?? [ 60.579891][ T7684] usb 1-1: Using ep0 maxpacket: 8 [ 60.618816][ T7713] usb 5-1: Using ep0 maxpacket: 8 [ 60.618824][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 60.632291][ T7] usb 3-1: USB disconnect, device number 2 [ 60.728807][ T7684] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 60.738009][ T7684] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.749236][ T7684] usb 1-1: config 0 descriptor?? [ 60.751509][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 60.764077][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.777302][ T32] usb 6-1: config 0 descriptor?? [ 60.789410][ T7713] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 60.798497][ T7713] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.811272][ T1546] hso 4-1:0.0: Failed to find BULK IN ep [ 60.829571][ T2606] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 60.837147][ T2606] CPU: 1 PID: 2606 Comm: kworker/1:2 Not tainted 5.12.0-rc5-next-20210401-syzkaller #0 [ 60.846804][ T2606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.851493][ T7713] usb 5-1: config 0 descriptor?? [ 60.857000][ T2606] Workqueue: usb_hub_wq hub_event [ 60.857034][ T2606] Call Trace: [ 60.857042][ T2606] dump_stack+0xfa/0x151 [ 60.874584][ T2606] sysfs_warn_dup.cold+0x1c/0x29 [ 60.879636][ T2606] sysfs_do_create_link_sd+0x11e/0x140 [ 60.885120][ T2606] sysfs_create_link+0x5f/0xc0 [ 60.889909][ T2606] device_add+0x789/0x1db0 [ 60.894347][ T2606] ? memset+0x20/0x40 [ 60.898351][ T2606] ? lockdep_init_map_type+0x2c3/0x780 [ 60.903832][ T2606] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 60.910100][ T2606] ? __init_waitqueue_head+0x6b/0xd0 [ 60.915411][ T2606] tty_register_device_attr+0x395/0x7b0 [ 60.920983][ T2606] ? send_break.part.0+0x300/0x300 [ 60.926116][ T2606] ? mark_held_locks+0x9f/0xe0 [ 60.930944][ T2606] ? lockdep_init_map_type+0x2c3/0x780 [ 60.936429][ T2606] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 60.942169][ T2606] ? tty_port_register_device_attr+0xbc/0x110 [ 60.948447][ T2606] hso_serial_common_create+0x124/0x8b0 [ 60.954001][ T2606] ? trace_kmalloc+0xac/0xe0 [ 60.958596][ T2606] hso_probe+0xef9/0x1f70 [ 60.962954][ T2606] usb_probe_interface+0x315/0x7f0 [ 60.968077][ T2606] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 60.973932][ T2606] really_probe+0x291/0xf60 [ 60.978462][ T2606] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 60.984702][ T2606] driver_probe_device+0x298/0x410 [ 60.989849][ T2606] __device_attach_driver+0x203/0x2c0 [ 60.995300][ T2606] ? driver_allows_async_probing+0x150/0x150 [ 61.001277][ T2606] bus_for_each_drv+0x15f/0x1e0 [ 61.006128][ T2606] ? bus_for_each_dev+0x1d0/0x1d0 [ 61.009323][ T1546] usb 4-1: USB disconnect, device number 2 [ 61.011186][ T2606] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.022979][ T2606] ? trace_hardirqs_on+0x5b/0x1a0 [ 61.028034][ T2606] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 61.033871][ T2606] __device_attach+0x228/0x4b0 [ 61.038661][ T2606] ? __driver_attach_async_helper+0x330/0x330 [ 61.044754][ T2606] ? kobject_uevent_env+0x2bb/0x1680 [ 61.050077][ T2606] bus_probe_device+0x1e4/0x290 [ 61.054961][ T2606] device_add+0xbdb/0x1db0 [ 61.059596][ T2606] ? wait_for_completion_io+0x270/0x270 [ 61.065147][ T2606] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 61.071430][ T2606] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.077788][ T2606] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 61.083623][ T2606] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 61.089864][ T2606] usb_set_configuration+0x113f/0x1910 [ 61.095363][ T2606] usb_generic_driver_probe+0xba/0x100 [ 61.100830][ T2606] usb_probe_device+0xd9/0x2c0 [ 61.105623][ T2606] ? usb_driver_release_interface+0x180/0x180 [ 61.111718][ T2606] really_probe+0x291/0xf60 [ 61.116242][ T2606] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 61.122503][ T2606] driver_probe_device+0x298/0x410 [ 61.127719][ T2606] __device_attach_driver+0x203/0x2c0 [ 61.133088][ T2606] ? driver_allows_async_probing+0x150/0x150 [ 61.139064][ T2606] bus_for_each_drv+0x15f/0x1e0 [ 61.143924][ T2606] ? bus_for_each_dev+0x1d0/0x1d0 [ 61.148954][ T2606] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.154987][ T2606] ? trace_hardirqs_on+0x5b/0x1a0 [ 61.160032][ T2606] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 61.165866][ T2606] __device_attach+0x228/0x4b0 [ 61.170741][ T2606] ? __driver_attach_async_helper+0x330/0x330 [ 61.176856][ T2606] ? kobject_uevent_env+0x2bb/0x1680 [ 61.182153][ T2606] bus_probe_device+0x1e4/0x290 [ 61.187107][ T2606] device_add+0xbdb/0x1db0 [ 61.191519][ T2606] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 61.197772][ T2606] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 61.204005][ T2606] usb_new_device.cold+0x721/0x1058 [ 61.209249][ T2606] ? hub_disconnect+0x510/0x510 [ 61.214111][ T2606] ? rwlock_bug.part.0+0x90/0x90 [ 61.219068][ T2606] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.225039][ T2606] hub_event+0x2357/0x4330 [ 61.229477][ T2606] ? hub_port_debounce+0x3c0/0x3c0 [ 61.234601][ T2606] ? lock_unpin_lock+0x291/0x390 [ 61.239539][ T2606] ? drain_workqueue+0x340/0x3c0 [ 61.244470][ T2606] ? lock_release+0x6d0/0x6d0 [ 61.249142][ T2606] ? lock_downgrade+0x6d0/0x6d0 [ 61.254018][ T2606] ? do_raw_spin_lock+0x120/0x2b0 [ 61.259034][ T2606] ? lock_is_held_type+0x98/0x110 [ 61.264049][ T2606] process_one_work+0x98d/0x1580 [ 61.268980][ T2606] ? pwq_dec_nr_in_flight+0x320/0x320 [ 61.274782][ T2606] ? rwlock_bug.part.0+0x90/0x90 [ 61.279756][ T2606] worker_thread+0x64c/0x1120 [ 61.284426][ T2606] ? __kthread_parkme+0x118/0x1d0 [ 61.289440][ T2606] ? process_one_work+0x1580/0x1580 [ 61.294638][ T2606] kthread+0x38c/0x460 [ 61.298718][ T2606] ? _raw_spin_unlock_irq+0x1f/0x30 [ 61.303906][ T2606] ? __kthread_bind_mask+0xc0/0xc0 [ 61.309009][ T2606] ret_from_fork+0x1f/0x30 [ 61.317322][ T2606] usb 2-1: USB disconnect, device number 2 [ 61.320834][ T7684] hso 1-1:0.0: Failed to find BULK IN ep [ 61.329069][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 61.336589][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.12.0-rc5-next-20210401-syzkaller #0 [ 61.346179][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.356281][ T32] Workqueue: usb_hub_wq hub_event [ 61.361685][ T32] Call Trace: [ 61.364977][ T32] dump_stack+0xfa/0x151 [ 61.369248][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 61.374215][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 61.379704][ T32] sysfs_create_link+0x5f/0xc0 [ 61.384494][ T32] device_add+0x789/0x1db0 [ 61.389077][ T32] ? memset+0x20/0x40 [ 61.393231][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 61.399226][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 61.405497][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 61.410812][ T32] tty_register_device_attr+0x395/0x7b0 [ 61.416385][ T32] ? send_break.part.0+0x300/0x300 [ 61.421529][ T32] ? mark_held_locks+0x9f/0xe0 [ 61.426328][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 61.431820][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 61.437568][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 61.443696][ T32] hso_serial_common_create+0x124/0x8b0 [ 61.449278][ T32] ? trace_kmalloc+0xac/0xe0 [ 61.453898][ T32] hso_probe+0xef9/0x1f70 [ 61.458276][ T32] usb_probe_interface+0x315/0x7f0 [ 61.463414][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 61.468805][ T32] really_probe+0x291/0xf60 [ 61.473305][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 61.479555][ T32] driver_probe_device+0x298/0x410 [ 61.484774][ T32] __device_attach_driver+0x203/0x2c0 [ 61.490159][ T32] ? driver_allows_async_probing+0x150/0x150 [ 61.496207][ T32] bus_for_each_drv+0x15f/0x1e0 [ 61.501058][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 61.506077][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.512057][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 61.517110][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 61.522958][ T32] __device_attach+0x228/0x4b0 [ 61.524550][ T7684] usb 1-1: USB disconnect, device number 2 [ 61.527769][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 61.527799][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 61.527828][ T32] bus_probe_device+0x1e4/0x290 [ 61.549842][ T32] device_add+0xbdb/0x1db0 [ 61.554301][ T32] ? wait_for_completion_io+0x270/0x270 [ 61.559877][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 61.566157][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.572177][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 61.578017][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 61.584285][ T32] usb_set_configuration+0x113f/0x1910 [ 61.589766][ T32] usb_generic_driver_probe+0xba/0x100 [ 61.595609][ T32] usb_probe_device+0xd9/0x2c0 [ 61.600451][ T32] ? usb_driver_release_interface+0x180/0x180 [ 61.606552][ T32] really_probe+0x291/0xf60 [ 61.611174][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 61.617476][ T32] driver_probe_device+0x298/0x410 [ 61.622614][ T32] __device_attach_driver+0x203/0x2c0 [ 61.628013][ T32] ? driver_allows_async_probing+0x150/0x150 [ 61.634041][ T32] bus_for_each_drv+0x15f/0x1e0 [ 61.638987][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 61.644012][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.649999][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 61.655031][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 61.660856][ T32] __device_attach+0x228/0x4b0 [ 61.665638][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 61.671838][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 61.677126][ T32] bus_probe_device+0x1e4/0x290 [ 61.682105][ T32] device_add+0xbdb/0x1db0 [ 61.686529][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 61.692768][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 61.699029][ T32] usb_new_device.cold+0x721/0x1058 [ 61.704232][ T32] ? hub_disconnect+0x510/0x510 [ 61.709185][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 61.714218][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 61.720223][ T32] hub_event+0x2357/0x4330 [ 61.724643][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 61.729753][ T32] ? lock_unpin_lock+0x291/0x390 [ 61.734686][ T32] ? drain_workqueue+0x340/0x3c0 [ 61.739652][ T32] ? lock_release+0x6d0/0x6d0 [ 61.744337][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 61.749191][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 61.754224][ T32] ? lock_is_held_type+0x98/0x110 [ 61.759247][ T32] process_one_work+0x98d/0x1580 [ 61.764204][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 61.769576][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 61.775094][ T32] worker_thread+0x64c/0x1120 [ 61.779822][ T32] ? __kthread_parkme+0x118/0x1d0 [ 61.784841][ T32] ? process_one_work+0x1580/0x1580 [ 61.790041][ T32] kthread+0x38c/0x460 [ 61.794317][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 61.799529][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 61.804638][ T32] ret_from_fork+0x1f/0x30 [ 61.825154][ T32] usb 6-1: USB disconnect, device number 2 [ 61.840509][ T7713] hso 5-1:0.0: Failed to find BULK IN ep [ 62.040553][ T32] usb 5-1: USB disconnect, device number 2 [ 62.128635][ T7] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 62.158540][ T2606] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 62.198510][ T1546] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 62.298501][ T7684] usb 1-1: new high-speed USB device number 3 using dummy_hcd 2021/04/04 12:29:57 executed programs: 6 [ 62.388769][ T7] usb 3-1: Using ep0 maxpacket: 8 [ 62.399233][ T2606] usb 2-1: Using ep0 maxpacket: 8 [ 62.448714][ T1546] usb 4-1: Using ep0 maxpacket: 8 [ 62.468847][ T7] usb 3-1: device descriptor read/all, error -71 [ 62.538643][ T2606] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 62.539082][ T7684] usb 1-1: Using ep0 maxpacket: 8 [ 62.547885][ T2606] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 62.569020][ T1546] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 62.577941][ T2606] usb 2-1: config 0 descriptor?? [ 62.578090][ T1546] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 62.597863][ T1546] usb 4-1: config 0 descriptor?? [ 62.599624][ T32] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 62.668542][ T7684] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 62.678140][ T7684] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 62.689131][ T7684] usb 1-1: config 0 descriptor?? [ 62.781497][ T1546] usb 4-1: USB disconnect, device number 3 [ 62.828435][ T7713] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 62.839650][ T7] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 62.851991][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 62.861616][ T2606] usb 2-1: USB disconnect, device number 3 [ 62.951029][ T7684] usb 1-1: USB disconnect, device number 3 [ 62.968952][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 62.978293][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.003246][ T32] usb 6-1: config 0 descriptor?? [ 63.088706][ T7] usb 3-1: Using ep0 maxpacket: 8 [ 63.134572][ T32] usb 6-1: USB disconnect, device number 3 [ 63.198587][ T1546] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 63.214144][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 63.223593][ T7] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.238546][ T2606] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 63.267323][ T7] usb 3-1: config 0 descriptor?? [ 63.398416][ T7684] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 63.438565][ T1546] usb 4-1: Using ep0 maxpacket: 8 [ 63.498371][ T2606] usb 2-1: Using ep0 maxpacket: 8 [ 63.518438][ T7713] usb 5-1: device not accepting address 3, error -71 [ 63.518953][ T32] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 63.539799][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 63.558599][ T1546] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 63.567768][ T1546] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.579055][ T1546] usb 4-1: config 0 descriptor?? [ 63.618683][ T2606] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 63.627843][ T2606] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.638207][ T2606] usb 2-1: config 0 descriptor?? [ 63.640999][ T7684] usb 1-1: Using ep0 maxpacket: 8 [ 63.740564][ T7725] usb 3-1: USB disconnect, device number 4 [ 63.768982][ T7684] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 63.778432][ T7684] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.778546][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 63.788068][ T7684] usb 1-1: config 0 descriptor?? [ 63.840538][ T1546] hso 4-1:0.0: Failed to find BULK IN ep [ 63.888502][ T7713] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 63.900505][ T2606] hso 2-1:0.0: Failed to find BULK IN ep [ 63.918618][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 63.927695][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.939022][ T32] usb 6-1: config 0 descriptor?? [ 64.039324][ T1546] usb 4-1: USB disconnect, device number 4 [ 64.059488][ T7684] hso 1-1:0.0: Failed to find BULK IN ep [ 64.109147][ T7684] usb 2-1: USB disconnect, device number 4 [ 64.128461][ T7713] usb 5-1: Using ep0 maxpacket: 8 [ 64.199045][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 64.248486][ T7713] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 64.257534][ T7713] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 64.259876][ T2606] usb 1-1: USB disconnect, device number 4 [ 64.301070][ T7713] usb 5-1: config 0 descriptor?? [ 64.400409][ T7725] usb 6-1: USB disconnect, device number 4 [ 64.518294][ T32] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 64.569227][ T7713] hso 5-1:0.0: Failed to find BULK IN ep [ 64.770359][ T1546] usb 5-1: USB disconnect, device number 4 [ 64.781418][ T32] usb 3-1: Using ep0 maxpacket: 8 [ 64.818395][ T7684] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 64.898282][ T7713] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 64.898368][ T32] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 64.915102][ T32] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 64.926270][ T32] usb 3-1: config 0 descriptor?? [ 65.028343][ T7725] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 65.088224][ T7684] usb 4-1: Using ep0 maxpacket: 8 [ 65.138413][ T7713] usb 2-1: Using ep0 maxpacket: 8 [ 65.188303][ T7] usb 6-1: new high-speed USB device number 5 using dummy_hcd [ 65.201761][ T32] usb 3-1: USB disconnect, device number 5 [ 65.238703][ T7684] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 65.247790][ T7684] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.270135][ T7725] usb 1-1: Using ep0 maxpacket: 8 [ 65.276220][ T7684] usb 4-1: config 0 descriptor?? [ 65.288687][ T7713] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 65.297771][ T7713] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.333315][ T7713] usb 2-1: config 0 descriptor?? [ 65.388357][ T7725] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 65.397494][ T7725] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.408500][ T7725] usb 1-1: config 0 descriptor?? [ 65.478256][ T7] usb 6-1: Using ep0 maxpacket: 8 [ 65.560631][ T1546] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 65.568539][ T7684] usb 4-1: USB disconnect, device number 5 [ 65.608295][ T32] usb 3-1: new high-speed USB device number 6 using dummy_hcd [ 65.629941][ T7] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 65.639106][ T7] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.647582][ T7713] usb 2-1: USB disconnect, device number 5 [ 65.663899][ T7] usb 6-1: config 0 descriptor?? [ 65.670935][ T7725] usb 1-1: USB disconnect, device number 5 [ 65.848358][ T32] usb 3-1: Using ep0 maxpacket: 8 [ 65.878534][ T1546] usb 5-1: Using ep0 maxpacket: 8 [ 65.950751][ T7] usb 6-1: USB disconnect, device number 5 [ 65.968547][ T32] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 65.977694][ T32] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.988692][ T32] usb 3-1: config 0 descriptor?? [ 66.008230][ T7684] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 66.015927][ T1546] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 66.025022][ T1546] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.029287][ T7725] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 66.035601][ T7713] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 66.071196][ T1546] usb 5-1: config 0 descriptor?? [ 66.090572][ T1546] usb 5-1: can't set config #0, error -71 [ 66.102936][ T1546] usb 5-1: USB disconnect, device number 5 [ 66.248899][ T32] hso 3-1:0.0: Failed to find BULK IN ep [ 66.268255][ T7684] usb 4-1: Using ep0 maxpacket: 8 [ 66.278165][ T7725] usb 1-1: Using ep0 maxpacket: 8 [ 66.318163][ T7713] usb 2-1: Using ep0 maxpacket: 8 [ 66.368239][ T7] usb 6-1: new high-speed USB device number 6 using dummy_hcd [ 66.398287][ T7725] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 66.407633][ T7725] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.417680][ T7725] usb 1-1: config 0 descriptor?? [ 66.420466][ T7684] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 66.432211][ T7684] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.451239][ T7684] usb 4-1: config 0 descriptor?? [ 66.479078][ T7726] usb 3-1: USB disconnect, device number 6 [ 66.489863][ T7713] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 66.499239][ T7713] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.519999][ T7713] usb 2-1: config 0 descriptor?? [ 66.530724][ T1546] usb 5-1: new high-speed USB device number 6 using dummy_hcd [ 66.648153][ T7] usb 6-1: Using ep0 maxpacket: 8 [ 66.678929][ T7725] hso 1-1:0.0: Failed to find BULK IN ep [ 66.739002][ T7684] hso 4-1:0.0: Failed to find BULK IN ep [ 66.778568][ T7] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 66.787827][ T7] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.796947][ T1546] usb 5-1: Using ep0 maxpacket: 8 [ 66.802772][ T7713] hso 2-1:0.0: Failed to find BULK IN ep [ 66.824237][ T7] usb 6-1: config 0 descriptor?? [ 66.879766][ T7725] usb 1-1: USB disconnect, device number 6 [ 66.939732][ T32] usb 4-1: USB disconnect, device number 6 [ 66.948404][ T1546] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 66.957583][ T1546] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.978383][ T1546] usb 5-1: config 0 descriptor?? [ 66.979497][ T2606] usb 2-1: USB disconnect, device number 6 [ 67.108828][ T7] hso 6-1:0.0: Failed to find BULK IN ep [ 67.248508][ T7713] usb 3-1: new high-speed USB device number 7 using dummy_hcd [ 67.256290][ T1546] hso 5-1:0.0: Failed to find BULK IN ep [ 67.309531][ T2606] usb 6-1: USB disconnect, device number 6 [ 67.449054][ T1546] usb 5-1: USB disconnect, device number 6 [ 67.538016][ T7713] usb 3-1: Using ep0 maxpacket: 8 [ 67.648016][ T32] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 67.688650][ T7713] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 67.697740][ T7713] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 67.708725][ T7713] usb 3-1: config 0 descriptor?? [ 67.710696][ T7725] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 67.748019][ T7903] usb 2-1: new high-speed USB device number 7 using dummy_hcd [ 67.888011][ T32] usb 1-1: Using ep0 maxpacket: 8 2021/04/04 12:30:03 executed programs: 18 [ 67.958163][ T7725] usb 4-1: Using ep0 maxpacket: 8 [ 67.973308][ T7713] usb 3-1: USB disconnect, device number 7 [ 67.989455][ T7903] usb 2-1: Using ep0 maxpacket: 8 [ 68.008597][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 68.017675][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 68.029689][ T32] usb 1-1: config 0 descriptor?? [ 68.078249][ T7725] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 68.087415][ T7725] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 68.096076][ T2606] usb 6-1: new high-speed USB device number 7 using dummy_hcd [ 68.106508][ T7725] usb 4-1: config 0 descriptor?? [ 68.114209][ T7903] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 68.123328][ T7903] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 68.133936][ T7903] usb 2-1: config 0 descriptor?? [ 68.237977][ T1546] usb 5-1: new high-speed USB device number 7 using dummy_hcd [ 68.290782][ T32] usb 1-1: USB disconnect, device number 7 [ 68.348371][ T2606] usb 6-1: Using ep0 maxpacket: 8 [ 68.391517][ T7725] usb 4-1: USB disconnect, device number 7 [ 68.404216][ T7903] usb 2-1: USB disconnect, device number 7 [ 68.438032][ T7713] usb 3-1: new high-speed USB device number 8 using dummy_hcd [ 68.468281][ T2606] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 68.477959][ T2606] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 68.488188][ T2606] usb 6-1: config 0 descriptor?? [ 68.494867][ T1546] usb 5-1: Using ep0 maxpacket: 8 [ 68.638126][ T1546] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 68.647263][ T1546] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 68.660512][ T1546] usb 5-1: config 0 descriptor?? [ 68.697940][ T32] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 68.708203][ T7713] usb 3-1: Using ep0 maxpacket: 8 [ 68.750719][ T2606] usb 6-1: USB disconnect, device number 7 [ 68.827994][ T7903] usb 2-1: new high-speed USB device number 8 using dummy_hcd [ 68.835817][ T7725] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 68.838201][ T7713] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 68.852481][ T7713] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 68.868924][ T7713] usb 3-1: config 0 descriptor?? [ 68.920485][ T1546] usb 5-1: USB disconnect, device number 7 [ 68.938137][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 69.058004][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 69.067130][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.077925][ T32] usb 1-1: config 0 descriptor?? [ 69.085211][ T7903] usb 2-1: Using ep0 maxpacket: 8 [ 69.090384][ T7725] usb 4-1: Using ep0 maxpacket: 8 [ 69.129168][ T7713] hso 3-1:0.0: Failed to find BULK IN ep [ 69.158013][ T2606] usb 6-1: new high-speed USB device number 8 using dummy_hcd [ 69.208052][ T7725] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 69.217256][ T7725] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.225604][ T7903] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 69.234815][ T7903] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.246232][ T7725] usb 4-1: config 0 descriptor?? [ 69.251909][ T7903] usb 2-1: config 0 descriptor?? [ 69.329843][ T7713] usb 3-1: USB disconnect, device number 8 [ 69.349281][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 69.367898][ T1546] usb 5-1: new high-speed USB device number 8 using dummy_hcd [ 69.397948][ T2606] usb 6-1: Using ep0 maxpacket: 8 [ 69.508864][ T7903] hso 2-1:0.0: Failed to find BULK IN ep [ 69.521707][ T2606] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 69.530956][ T2606] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.540188][ T7725] hso 4-1:0.0: Failed to find BULK IN ep [ 69.553045][ T7] usb 1-1: USB disconnect, device number 8 [ 69.573989][ T2606] usb 6-1: config 0 descriptor?? [ 69.638076][ T1546] usb 5-1: Using ep0 maxpacket: 8 [ 69.709842][ T7713] usb 2-1: USB disconnect, device number 8 [ 69.733719][ T7684] usb 4-1: USB disconnect, device number 8 [ 69.768272][ T1546] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 69.777392][ T1546] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.788429][ T1546] usb 5-1: config 0 descriptor?? [ 69.841221][ T2606] hso 6-1:0.0: Failed to find BULK IN ep [ 70.039137][ T2606] usb 6-1: USB disconnect, device number 8 [ 70.059166][ T1546] hso 5-1:0.0: Failed to find BULK IN ep [ 70.097930][ T7] usb 3-1: new high-speed USB device number 9 using dummy_hcd [ 70.259248][ T7726] usb 5-1: USB disconnect, device number 8 [ 70.317895][ T7713] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 70.347940][ T7] usb 3-1: Using ep0 maxpacket: 8 [ 70.468025][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 70.477709][ T7] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.486603][ T1546] usb 2-1: new high-speed USB device number 9 using dummy_hcd [ 70.496539][ T7] usb 3-1: config 0 descriptor?? [ 70.503855][ T7684] usb 4-1: new high-speed USB device number 9 using dummy_hcd [ 70.558005][ T7713] usb 1-1: Using ep0 maxpacket: 8 [ 70.677876][ T7713] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 70.687103][ T7713] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.697640][ T7713] usb 1-1: config 0 descriptor?? [ 70.747917][ T7684] usb 4-1: Using ep0 maxpacket: 8 [ 70.753177][ T1546] usb 2-1: Using ep0 maxpacket: 8 [ 70.770988][ T7] usb 3-1: USB disconnect, device number 9 [ 70.808100][ T2606] usb 6-1: new high-speed USB device number 9 using dummy_hcd [ 70.878060][ T1546] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 70.887117][ T1546] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.895355][ T7684] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 70.904474][ T7684] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.920635][ T1546] usb 2-1: config 0 descriptor?? [ 70.926740][ T7684] usb 4-1: config 0 descriptor?? [ 70.949001][ T7713] hso 1-1:0.0: Failed to find BULK IN ep [ 70.978021][ T7713] usb 1-1: USB disconnect, device number 9 [ 71.057881][ T2606] usb 6-1: Using ep0 maxpacket: 8 [ 71.077988][ T7726] usb 5-1: new high-speed USB device number 9 using dummy_hcd [ 71.180851][ T1546] usb 2-1: USB disconnect, device number 9 [ 71.194079][ T7684] usb 4-1: USB disconnect, device number 9 [ 71.208118][ T7] usb 3-1: new high-speed USB device number 10 using dummy_hcd [ 71.208367][ T2606] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 71.224808][ T2606] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 71.251034][ T2606] usb 6-1: config 0 descriptor?? [ 71.318139][ T7726] usb 5-1: Using ep0 maxpacket: 8 [ 71.397989][ T7713] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 71.438103][ T7726] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 71.447915][ T7726] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 71.463206][ T7726] usb 5-1: config 0 descriptor?? [ 71.468301][ T7] usb 3-1: Using ep0 maxpacket: 8 [ 71.510270][ T2606] usb 6-1: USB disconnect, device number 9 [ 71.588181][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 71.597461][ T7] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 71.609362][ T7] usb 3-1: config 0 descriptor?? [ 71.628044][ T1546] usb 2-1: new high-speed USB device number 10 using dummy_hcd [ 71.635843][ T7684] usb 4-1: new high-speed USB device number 10 using dummy_hcd [ 71.648077][ T7713] usb 1-1: Using ep0 maxpacket: 8 [ 71.731137][ T7726] usb 5-1: USB disconnect, device number 9 [ 71.767987][ T7713] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 71.777139][ T7713] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 71.803525][ T7713] usb 1-1: config 0 descriptor?? [ 71.867849][ T1546] usb 2-1: Using ep0 maxpacket: 8 [ 71.878610][ T7684] usb 4-1: Using ep0 maxpacket: 8 [ 71.898634][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 71.937961][ T2606] usb 6-1: new high-speed USB device number 10 using dummy_hcd [ 71.987847][ T1546] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 71.997035][ T1546] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 72.005235][ T7684] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 72.014398][ T7684] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 72.031391][ T1546] usb 2-1: config 0 descriptor?? [ 72.036490][ T7684] usb 4-1: config 0 descriptor?? [ 72.068392][ T7713] hso 1-1:0.0: Failed to find BULK IN ep [ 72.087712][ T7726] usb 5-1: new high-speed USB device number 10 using dummy_hcd [ 72.103940][ T7713] usb 3-1: USB disconnect, device number 10 [ 72.208712][ T2606] usb 6-1: Using ep0 maxpacket: 8 [ 72.268695][ T7725] usb 1-1: USB disconnect, device number 10 [ 72.298291][ T7684] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 72.305861][ T7684] CPU: 0 PID: 7684 Comm: kworker/0:3 Not tainted 5.12.0-rc5-next-20210401-syzkaller #0 [ 72.315662][ T7684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.325712][ T7684] Workqueue: usb_hub_wq hub_event [ 72.330740][ T7684] Call Trace: [ 72.334016][ T7684] dump_stack+0xfa/0x151 [ 72.338261][ T7684] sysfs_warn_dup.cold+0x1c/0x29 [ 72.343210][ T7684] sysfs_do_create_link_sd+0x11e/0x140 [ 72.348775][ T7684] sysfs_create_link+0x5f/0xc0 [ 72.353548][ T7684] device_add+0x789/0x1db0 [ 72.357958][ T7684] ? memset+0x20/0x40 [ 72.361943][ T7684] ? lockdep_init_map_type+0x2c3/0x780 [ 72.367422][ T7684] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.373692][ T7684] ? __init_waitqueue_head+0x6b/0xd0 [ 72.379150][ T7684] tty_register_device_attr+0x395/0x7b0 [ 72.384815][ T7684] ? send_break.part.0+0x300/0x300 [ 72.389923][ T7684] ? mark_held_locks+0x9f/0xe0 [ 72.394679][ T7684] ? lockdep_init_map_type+0x2c3/0x780 [ 72.400130][ T7684] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 72.405973][ T7684] ? tty_port_register_device_attr+0xbc/0x110 [ 72.412051][ T7684] hso_serial_common_create+0x124/0x8b0 [ 72.417683][ T7684] ? trace_kmalloc+0xac/0xe0 [ 72.422270][ T7684] hso_probe+0xef9/0x1f70 [ 72.426631][ T7684] usb_probe_interface+0x315/0x7f0 [ 72.431742][ T7684] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 72.437108][ T7684] really_probe+0x291/0xf60 [ 72.441604][ T7684] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.447939][ T7684] driver_probe_device+0x298/0x410 [ 72.453039][ T7684] __device_attach_driver+0x203/0x2c0 [ 72.458405][ T7684] ? driver_allows_async_probing+0x150/0x150 [ 72.464384][ T7684] bus_for_each_drv+0x15f/0x1e0 [ 72.469245][ T7684] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.474265][ T7684] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 72.480238][ T7684] ? trace_hardirqs_on+0x5b/0x1a0 [ 72.485253][ T7684] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 72.491055][ T7684] __device_attach+0x228/0x4b0 [ 72.495812][ T7684] ? __driver_attach_async_helper+0x330/0x330 [ 72.501886][ T7684] ? kobject_uevent_env+0x2bb/0x1680 [ 72.507204][ T7684] bus_probe_device+0x1e4/0x290 [ 72.512075][ T7684] device_add+0xbdb/0x1db0 [ 72.516518][ T7684] ? wait_for_completion_io+0x270/0x270 [ 72.522096][ T7684] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.528422][ T7684] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 72.534664][ T7684] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 72.540483][ T7684] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.546836][ T7684] usb_set_configuration+0x113f/0x1910 [ 72.552752][ T7684] usb_generic_driver_probe+0xba/0x100 [ 72.558321][ T7684] usb_probe_device+0xd9/0x2c0 [ 72.563270][ T7684] ? usb_driver_release_interface+0x180/0x180 [ 72.569525][ T7684] really_probe+0x291/0xf60 [ 72.574125][ T7684] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.580365][ T7684] driver_probe_device+0x298/0x410 [ 72.585472][ T7684] __device_attach_driver+0x203/0x2c0 [ 72.590858][ T7684] ? driver_allows_async_probing+0x150/0x150 [ 72.596827][ T7684] bus_for_each_drv+0x15f/0x1e0 [ 72.601694][ T7684] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.606719][ T7684] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 72.612728][ T7684] ? trace_hardirqs_on+0x5b/0x1a0 [ 72.617759][ T7684] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 72.623601][ T7684] __device_attach+0x228/0x4b0 [ 72.628358][ T7684] ? __driver_attach_async_helper+0x330/0x330 [ 72.634425][ T7684] ? kobject_uevent_env+0x2bb/0x1680 [ 72.639723][ T7684] bus_probe_device+0x1e4/0x290 [ 72.644582][ T7684] device_add+0xbdb/0x1db0 [ 72.648994][ T7684] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.655231][ T7684] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.661468][ T7684] usb_new_device.cold+0x721/0x1058 [ 72.666847][ T7684] ? hub_disconnect+0x510/0x510 [ 72.671691][ T7684] ? rwlock_bug.part.0+0x90/0x90 [ 72.676622][ T7684] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 72.682593][ T7684] hub_event+0x2357/0x4330 [ 72.687001][ T7684] ? hub_port_debounce+0x3c0/0x3c0 [ 72.692100][ T7684] ? lock_unpin_lock+0x290/0x390 [ 72.697024][ T7684] ? drain_workqueue+0x341/0x3c0 [ 72.701950][ T7684] ? lock_release+0x6d0/0x6d0 [ 72.706647][ T7684] ? lock_downgrade+0x6d0/0x6d0 [ 72.711498][ T7684] ? do_raw_spin_lock+0x120/0x2b0 [ 72.716521][ T7684] ? lock_is_held_type+0x98/0x110 [ 72.721629][ T7684] process_one_work+0x98d/0x1580 [ 72.726572][ T7684] ? pwq_dec_nr_in_flight+0x320/0x320 [ 72.731956][ T7684] ? rwlock_bug.part.0+0x90/0x90 [ 72.736927][ T7684] worker_thread+0x82b/0x1120 [ 72.741599][ T7684] ? __kthread_parkme+0x118/0x1d0 [ 72.746633][ T7684] ? process_one_work+0x1580/0x1580 [ 72.751855][ T7684] kthread+0x38c/0x460 [ 72.755934][ T7684] ? _raw_spin_unlock_irq+0x1f/0x30 [ 72.761128][ T7684] ? __kthread_bind_mask+0xc0/0xc0 [ 72.766234][ T7684] ret_from_fork+0x1f/0x30 [ 72.773818][ T1546] hso 2-1:0.0: Failed to find BULK IN ep [ 72.785091][ T1546] usb 2-1: USB disconnect, device number 10 [ 72.797876][ T7726] usb 5-1: Using ep0 maxpacket: 8 [ 72.798046][ T2606] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 72.812154][ T2606] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 72.813361][ T7684] usb 4-1: USB disconnect, device number 10 [ 72.854198][ T2606] usb 6-1: config 0 descriptor?? [ 72.917929][ T7726] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 72.927223][ T7726] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 72.938649][ T7726] usb 5-1: config 0 descriptor?? [ 73.118177][ T7725] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 73.126059][ T2606] hso 6-1:0.0: Failed to find BULK IN ep [ 73.198400][ T7726] hso 5-1:0.0: Failed to find BULK IN ep [ 73.321079][ T2606] usb 6-1: USB disconnect, device number 10 [ 73.337748][ T7713] usb 3-1: new high-speed USB device number 11 using dummy_hcd [ 73.367686][ T7725] usb 1-1: Using ep0 maxpacket: 8 [ 73.377864][ T1546] usb 2-1: new high-speed USB device number 11 using dummy_hcd [ 73.387805][ T7684] usb 4-1: new high-speed USB device number 11 using dummy_hcd [ 73.398825][ T7903] usb 5-1: USB disconnect, device number 10 [ 73.497929][ T7725] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 73.507154][ T7725] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 73.519846][ T7725] usb 1-1: config 0 descriptor?? [ 73.577670][ T7713] usb 3-1: Using ep0 maxpacket: 8 [ 73.617896][ T1546] usb 2-1: Using ep0 maxpacket: 8 [ 73.627727][ T7684] usb 4-1: Using ep0 maxpacket: 8 [ 73.698041][ T7713] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 73.707156][ T7713] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 73.717944][ T7713] usb 3-1: config 0 descriptor?? 2021/04/04 12:30:09 executed programs: 30 [ 73.747757][ T7684] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 73.756928][ T7684] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 73.765112][ T1546] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 73.774326][ T1546] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 73.790788][ T7725] usb 1-1: USB disconnect, device number 11 [ 73.800083][ T7713] usb 3-1: USB disconnect, device number 11 [ 73.808723][ T1546] usb 2-1: config 0 descriptor?? [ 73.814915][ T7684] usb 4-1: config 0 descriptor?? [ 74.070761][ T1546] usb 2-1: USB disconnect, device number 11 [ 74.084612][ T7684] usb 4-1: USB disconnect, device number 11 [ 74.107784][ T7903] usb 6-1: new high-speed USB device number 11 using dummy_hcd [ 74.187596][ T2606] usb 5-1: new high-speed USB device number 11 using dummy_hcd [ 74.208089][ T7725] usb 1-1: new high-speed USB device number 12 using dummy_hcd [ 74.218559][ T7713] usb 3-1: new high-speed USB device number 12 using dummy_hcd [ 74.397582][ T7903] usb 6-1: Using ep0 maxpacket: 8 [ 74.457625][ T7713] usb 3-1: Using ep0 maxpacket: 8 [ 74.467686][ T2606] usb 5-1: Using ep0 maxpacket: 8 [ 74.477611][ T7725] usb 1-1: Using ep0 maxpacket: 8 [ 74.507700][ T1546] usb 2-1: new high-speed USB device number 12 using dummy_hcd [ 74.515702][ T7684] usb 4-1: new high-speed USB device number 12 using dummy_hcd [ 74.567954][ T7903] usb 6-1: unable to read config index 0 descriptor/all [ 74.575005][ T7903] usb 6-1: can't read configurations, error -71 [ 74.577874][ T7713] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 74.590517][ T7713] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 74.597786][ T2606] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 74.607751][ T2606] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 74.616514][ T7713] usb 3-1: config 0 descriptor?? [ 74.628866][ T2606] usb 5-1: config 0 descriptor?? [ 74.637842][ T7725] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 74.646967][ T7725] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 74.659028][ T7725] usb 1-1: config 0 descriptor?? [ 74.740812][ T2606] usb 5-1: USB disconnect, device number 11 [ 74.767891][ T1546] usb 2-1: Using ep0 maxpacket: 8 [ 74.773191][ T7684] usb 4-1: Using ep0 maxpacket: 8 [ 74.888364][ T7713] hso 3-1:0.0: Failed to find BULK IN ep [ 74.897920][ T1546] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 74.907045][ T1546] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 74.915434][ T7684] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 74.924720][ T7684] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 74.933591][ T7725] hso 1-1:0.0: Failed to find BULK IN ep [ 74.943240][ T1546] usb 2-1: config 0 descriptor?? [ 74.949747][ T7725] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN [ 74.951406][ T7684] usb 4-1: config 0 descriptor?? [ 74.960798][ T7725] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 74.960813][ T7725] CPU: 1 PID: 7725 Comm: kworker/1:3 Not tainted 5.12.0-rc5-next-20210401-syzkaller #0 [ 74.960833][ T7725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.960845][ T7725] Workqueue: usb_hub_wq hub_event [ 74.998847][ T7725] RIP: 0010:cdev_del+0x22/0x90 [ 75.003609][ T7725] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 53 3a cd 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 [ 75.023204][ T7725] RSP: 0018:ffffc90000e37150 EFLAGS: 00010207 [ 75.029264][ T7725] RAX: dffffc0000000000 RBX: ffff888108599d00 RCX: 0000000000000000 [ 75.037227][ T7725] RDX: 000000000000000c RSI: ffffffff81727b4d RDI: 0000000000000064 [ 75.045185][ T7725] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff89bf0737 [ 75.053143][ T7725] R10: ffffffff82357cff R11: 1ffff920001c6d7b R12: ffff888108599d08 [ 75.061109][ T7725] R13: ffff8881086f3000 R14: 0000000000000000 R15: ffff88810ee74070 [ 75.071069][ T7725] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 75.079991][ T7725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.086594][ T7725] CR2: 000055c6841d36d8 CR3: 00000001013e0000 CR4: 00000000001506e0 [ 75.094567][ T7725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.102525][ T7725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.110483][ T7725] Call Trace: [ 75.113758][ T7725] tty_unregister_device+0x112/0x1b0 [ 75.119063][ T7725] hso_probe.cold+0x70/0x16a [ 75.123993][ T7725] usb_probe_interface+0x315/0x7f0 [ 75.129187][ T7725] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 75.134562][ T7725] really_probe+0x291/0xf60 [ 75.139070][ T7725] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 75.145313][ T7725] driver_probe_device+0x298/0x410 [ 75.150417][ T7725] __device_attach_driver+0x203/0x2c0 [ 75.155780][ T7725] ? driver_allows_async_probing+0x150/0x150 [ 75.161748][ T7725] bus_for_each_drv+0x15f/0x1e0 [ 75.166593][ T7725] ? bus_for_each_dev+0x1d0/0x1d0 [ 75.171693][ T7725] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 75.177663][ T7725] ? trace_hardirqs_on+0x5b/0x1a0 [ 75.182676][ T7725] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 75.188484][ T7725] __device_attach+0x228/0x4b0 [ 75.193254][ T7725] ? __driver_attach_async_helper+0x330/0x330 [ 75.199305][ T7725] ? kobject_uevent_env+0x2bb/0x1680 [ 75.204587][ T7725] bus_probe_device+0x1e4/0x290 [ 75.209424][ T7725] device_add+0xbdb/0x1db0 [ 75.213830][ T7725] ? wait_for_completion_io+0x270/0x270 [ 75.219365][ T7725] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 75.225605][ T7725] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 75.231577][ T7725] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 75.237384][ T7725] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.243616][ T7725] usb_set_configuration+0x113f/0x1910 [ 75.249072][ T7725] usb_generic_driver_probe+0xba/0x100 [ 75.254528][ T7725] usb_probe_device+0xd9/0x2c0 [ 75.259291][ T7725] ? usb_driver_release_interface+0x180/0x180 [ 75.266186][ T7725] really_probe+0x291/0xf60 [ 75.270774][ T7725] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 75.277003][ T7725] driver_probe_device+0x298/0x410 [ 75.282103][ T7725] __device_attach_driver+0x203/0x2c0 [ 75.287478][ T7725] ? driver_allows_async_probing+0x150/0x150 [ 75.293451][ T7725] bus_for_each_drv+0x15f/0x1e0 [ 75.298295][ T7725] ? bus_for_each_dev+0x1d0/0x1d0 [ 75.303313][ T7725] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 75.309282][ T7725] ? trace_hardirqs_on+0x5b/0x1a0 [ 75.314302][ T7725] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 75.320104][ T7725] __device_attach+0x228/0x4b0 [ 75.324865][ T7725] ? __driver_attach_async_helper+0x330/0x330 [ 75.331190][ T7725] ? kobject_uevent_env+0x2bb/0x1680 [ 75.336481][ T7725] bus_probe_device+0x1e4/0x290 [ 75.341320][ T7725] device_add+0xbdb/0x1db0 [ 75.345730][ T7725] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 75.352051][ T7725] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.358484][ T7725] usb_new_device.cold+0x721/0x1058 [ 75.363673][ T7725] ? hub_disconnect+0x510/0x510 [ 75.368513][ T7725] ? rwlock_bug.part.0+0x90/0x90 [ 75.373453][ T7725] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 75.379425][ T7725] hub_event+0x2357/0x4330 [ 75.383837][ T7725] ? hub_port_debounce+0x3c0/0x3c0 [ 75.388939][ T7725] ? lock_unpin_lock+0x290/0x390 [ 75.393865][ T7725] ? drain_workqueue+0x341/0x3c0 [ 75.398796][ T7725] ? lock_release+0x6d0/0x6d0 [ 75.403462][ T7725] ? lock_downgrade+0x6d0/0x6d0 [ 75.408302][ T7725] ? do_raw_spin_lock+0x120/0x2b0 [ 75.413315][ T7725] ? lock_is_held_type+0x98/0x110 [ 75.418335][ T7725] process_one_work+0x98d/0x1580 [ 75.423354][ T7725] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.428719][ T7725] ? rwlock_bug.part.0+0x90/0x90 [ 75.433648][ T7725] worker_thread+0x82b/0x1120 [ 75.438329][ T7725] ? __kthread_parkme+0x118/0x1d0 [ 75.443340][ T7725] ? process_one_work+0x1580/0x1580 [ 75.448530][ T7725] kthread+0x38c/0x460 [ 75.452587][ T7725] ? _raw_spin_unlock_irq+0x1f/0x30 [ 75.457780][ T7725] ? __kthread_bind_mask+0xc0/0xc0 [ 75.462968][ T7725] ret_from_fork+0x1f/0x30 [ 75.467373][ T7725] Modules linked in: [ 75.471389][ T7725] ---[ end trace ae3a58abf91ec890 ]--- [ 75.477062][ T7725] RIP: 0010:cdev_del+0x22/0x90 [ 75.481879][ T7725] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 53 3a cd 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 [ 75.501569][ T7725] RSP: 0018:ffffc90000e37150 EFLAGS: 00010207 [ 75.507866][ T7725] RAX: dffffc0000000000 RBX: ffff888108599d00 RCX: 0000000000000000 [ 75.515935][ T7725] RDX: 000000000000000c RSI: ffffffff81727b4d RDI: 0000000000000064 [ 75.523938][ T7725] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff89bf0737 [ 75.531948][ T7725] R10: ffffffff82357cff R11: 1ffff920001c6d7b R12: ffff888108599d08 [ 75.539991][ T7725] R13: ffff8881086f3000 R14: 0000000000000000 R15: ffff88810ee74070 [ 75.548093][ T7725] FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 [ 75.557127][ T7725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.563782][ T7725] CR2: 000055c6841d36d8 CR3: 0000000007225000 CR4: 00000000001506e0 [ 75.572103][ T7725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.574076][ T7713] usb 3-1: USB disconnect, device number 12 [ 75.580110][ T7725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.580129][ T7725] Kernel panic - not syncing: Fatal exception [ 75.587044][ T7725] Kernel Offset: disabled [ 75.605590][ T7725] Rebooting in 86400 seconds..