Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 83.716921][ T2633] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 83.716921][ T32] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 83.717596][ T1551] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 83.727407][ T5] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 83.757678][ T4401] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 83.765649][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 83.957047][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 83.986928][ T5] usb 5-1: Using ep0 maxpacket: 8 [ 83.996929][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 84.016918][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 84.037039][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 84.042318][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 84.077033][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 84.086498][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.101793][ T2633] usb 2-1: config 0 descriptor?? [ 84.108095][ T5] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 84.117670][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.137806][ T5] usb 5-1: config 0 descriptor?? [ 84.157251][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 84.167875][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.177175][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 84.186596][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.197288][ T32] usb 1-1: config 0 descriptor?? [ 84.207079][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 84.216154][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.224851][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 84.234418][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.244440][ T1551] usb 3-1: config 0 descriptor?? [ 84.253157][ T4401] usb 6-1: config 0 descriptor?? [ 84.267789][ T17] usb 4-1: config 0 descriptor?? [ 84.388815][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 84.401024][ T5] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 84.408775][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.11.0-syzkaller #0 [ 84.417496][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.427926][ T5] Workqueue: usb_hub_wq hub_event [ 84.432988][ T5] Call Trace: [ 84.436297][ T5] dump_stack+0xfa/0x151 [ 84.440632][ T5] sysfs_warn_dup.cold+0x1c/0x29 [ 84.445663][ T5] sysfs_do_create_link_sd+0x11e/0x140 [ 84.451142][ T5] sysfs_create_link+0x5f/0xc0 [ 84.456105][ T5] device_add+0x789/0x1db0 [ 84.460574][ T5] ? memset+0x20/0x40 [ 84.464592][ T5] ? lockdep_init_map_type+0x2c3/0x780 [ 84.470166][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 84.476428][ T5] ? __init_waitqueue_head+0x6b/0xd0 [ 84.481733][ T5] tty_register_device_attr+0x395/0x7b0 [ 84.487373][ T5] ? send_break.part.0+0x300/0x300 [ 84.492741][ T5] ? mark_held_locks+0x9f/0xe0 [ 84.497516][ T5] ? lockdep_init_map_type+0x2c3/0x780 [ 84.502973][ T5] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 84.508810][ T5] ? tty_port_register_device_attr+0xbc/0x110 [ 84.514877][ T5] hso_serial_common_create+0x124/0x8b0 [ 84.520557][ T5] ? kasan_unpoison+0x3a/0x60 [ 84.525246][ T5] hso_probe+0xef9/0x1f70 [ 84.529628][ T5] usb_probe_interface+0x315/0x7f0 [ 84.534931][ T5] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 84.540711][ T5] really_probe+0x291/0xe60 [ 84.545418][ T5] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 84.551775][ T5] driver_probe_device+0x26b/0x3d0 [ 84.557063][ T5] __device_attach_driver+0x1d1/0x290 [ 84.562530][ T5] ? driver_allows_async_probing+0x150/0x150 [ 84.568509][ T5] bus_for_each_drv+0x15f/0x1e0 [ 84.573462][ T5] ? bus_for_each_dev+0x1d0/0x1d0 [ 84.578760][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 84.584869][ T5] ? trace_hardirqs_on+0x5b/0x1a0 [ 84.589947][ T5] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 84.595937][ T5] __device_attach+0x228/0x4a0 [ 84.600904][ T5] ? __driver_attach_async_helper+0x330/0x330 [ 84.606981][ T5] ? kobject_uevent_env+0x2bb/0x1680 [ 84.612606][ T5] bus_probe_device+0x1e4/0x290 [ 84.617483][ T5] device_add+0xbdb/0x1db0 [ 84.621967][ T5] ? wait_for_completion_io+0x270/0x270 [ 84.627758][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 84.634016][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 84.640131][ T5] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 84.646283][ T5] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.652675][ T5] usb_set_configuration+0x113f/0x1910 [ 84.658255][ T5] usb_generic_driver_probe+0xba/0x100 [ 84.663767][ T5] usb_probe_device+0xd9/0x2c0 [ 84.668674][ T5] ? usb_driver_release_interface+0x180/0x180 [ 84.674748][ T5] really_probe+0x291/0xe60 [ 84.679280][ T5] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 84.685618][ T5] driver_probe_device+0x26b/0x3d0 [ 84.690737][ T5] __device_attach_driver+0x1d1/0x290 [ 84.696570][ T5] ? driver_allows_async_probing+0x150/0x150 [ 84.702693][ T5] bus_for_each_drv+0x15f/0x1e0 [ 84.707709][ T5] ? bus_for_each_dev+0x1d0/0x1d0 [ 84.712750][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 84.718763][ T5] ? trace_hardirqs_on+0x5b/0x1a0 [ 84.723875][ T5] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 84.729924][ T5] __device_attach+0x228/0x4a0 [ 84.734691][ T5] ? __driver_attach_async_helper+0x330/0x330 [ 84.740867][ T5] ? kobject_uevent_env+0x2bb/0x1680 [ 84.746184][ T5] bus_probe_device+0x1e4/0x290 [ 84.751061][ T5] device_add+0xbdb/0x1db0 [ 84.755525][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 84.762191][ T5] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.768451][ T5] usb_new_device.cold+0x721/0x1058 [ 84.773728][ T5] ? hub_disconnect+0x510/0x510 [ 84.778681][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 84.783763][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 84.790021][ T5] hub_event+0x2357/0x4320 [ 84.794558][ T5] ? hub_port_debounce+0x3c0/0x3c0 [ 84.799774][ T5] ? zap_class+0x5b1/0x9a0 [ 84.804302][ T5] ? process_one_work+0x520/0x1580 [ 84.809639][ T5] ? lock_release+0x6d0/0x6d0 [ 84.814405][ T5] ? lock_downgrade+0x6d0/0x6d0 [ 84.819248][ T5] ? do_raw_spin_lock+0x120/0x2b0 [ 84.824267][ T5] ? lock_is_held_type+0x98/0x110 [ 84.829305][ T5] process_one_work+0x98d/0x1580 [ 84.834235][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.839614][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 84.844550][ T5] worker_thread+0x64c/0x1120 [ 84.849272][ T5] ? process_one_work+0x1580/0x1580 [ 84.854465][ T5] kthread+0x38c/0x460 [ 84.858558][ T5] ? _raw_spin_unlock_irq+0x1f/0x30 [ 84.863781][ T5] ? __kthread_bind_mask+0xc0/0xc0 [ 84.868924][ T5] ret_from_fork+0x1f/0x30 [ 84.883831][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 84.891445][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 84.891902][ T2633] usb 2-1: USB disconnect, device number 2 [ 84.899354][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.899386][ T32] Workqueue: usb_hub_wq hub_event [ 84.920887][ T32] Call Trace: [ 84.924182][ T32] dump_stack+0xfa/0x151 [ 84.928450][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 84.933435][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 84.938915][ T32] sysfs_create_link+0x5f/0xc0 [ 84.944312][ T32] device_add+0x789/0x1db0 [ 84.948927][ T32] ? memset+0x20/0x40 [ 84.952924][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 84.958583][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 84.964852][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 84.970254][ T32] tty_register_device_attr+0x395/0x7b0 [ 84.975828][ T32] ? send_break.part.0+0x300/0x300 [ 84.980959][ T32] ? mark_held_locks+0x9f/0xe0 [ 84.985750][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 84.991236][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 84.996985][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 84.997122][ T5] usb 5-1: USB disconnect, device number 2 [ 85.003077][ T32] hso_serial_common_create+0x124/0x8b0 [ 85.003107][ T32] ? kasan_unpoison+0x3a/0x60 [ 85.003131][ T32] hso_probe+0xef9/0x1f70 [ 85.003152][ T32] usb_probe_interface+0x315/0x7f0 [ 85.028959][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 85.034382][ T32] really_probe+0x291/0xe60 executing program executing program [ 85.038907][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 85.045348][ T32] driver_probe_device+0x26b/0x3d0 [ 85.050536][ T32] __device_attach_driver+0x1d1/0x290 [ 85.055935][ T32] ? driver_allows_async_probing+0x150/0x150 [ 85.062117][ T32] bus_for_each_drv+0x15f/0x1e0 [ 85.067079][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 85.072214][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.078219][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 85.083268][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 executing program executing program [ 85.089112][ T32] __device_attach+0x228/0x4a0 [ 85.093910][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 85.100003][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 85.105510][ T32] bus_probe_device+0x1e4/0x290 [ 85.110563][ T32] device_add+0xbdb/0x1db0 [ 85.115150][ T32] ? wait_for_completion_io+0x270/0x270 [ 85.120812][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 85.127856][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.133882][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 85.139733][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 85.146093][ T32] usb_set_configuration+0x113f/0x1910 [ 85.152634][ T32] usb_generic_driver_probe+0xba/0x100 [ 85.158140][ T32] usb_probe_device+0xd9/0x2c0 [ 85.163416][ T32] ? usb_driver_release_interface+0x180/0x180 [ 85.169646][ T32] really_probe+0x291/0xe60 [ 85.179337][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 85.185608][ T32] driver_probe_device+0x26b/0x3d0 executing program [ 85.191183][ T32] __device_attach_driver+0x1d1/0x290 [ 85.196665][ T32] ? driver_allows_async_probing+0x150/0x150 [ 85.203050][ T32] bus_for_each_drv+0x15f/0x1e0 [ 85.207920][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 85.212967][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.218984][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 85.224042][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 85.230158][ T32] __device_attach+0x228/0x4a0 [ 85.234968][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 85.241064][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 85.246380][ T32] bus_probe_device+0x1e4/0x290 [ 85.251257][ T32] device_add+0xbdb/0x1db0 [ 85.255698][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 85.262068][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 85.268342][ T32] usb_new_device.cold+0x721/0x1058 [ 85.273870][ T32] ? hub_disconnect+0x510/0x510 [ 85.279051][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 85.284006][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.290121][ T32] hub_event+0x2357/0x4320 [ 85.294534][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 85.299651][ T32] ? zap_class+0x5b1/0x9a0 [ 85.304095][ T32] ? process_one_work+0x520/0x1580 [ 85.309255][ T32] ? lock_release+0x6d0/0x6d0 [ 85.313977][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 85.318823][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 85.323849][ T32] ? lock_is_held_type+0x98/0x110 [ 85.328911][ T32] process_one_work+0x98d/0x1580 [ 85.333851][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 85.339239][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 85.344184][ T32] worker_thread+0x64c/0x1120 [ 85.348910][ T32] ? __kthread_parkme+0x118/0x1d0 [ 85.353937][ T32] ? process_one_work+0x1580/0x1580 [ 85.359185][ T32] kthread+0x38c/0x460 [ 85.363370][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 85.368616][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 85.374423][ T32] ret_from_fork+0x1f/0x30 [ 85.380695][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 85.388240][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 85.396421][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.406500][ T1551] Workqueue: usb_hub_wq hub_event [ 85.411561][ T1551] Call Trace: [ 85.415207][ T1551] dump_stack+0xfa/0x151 [ 85.419538][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 85.424493][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 85.430840][ T1551] sysfs_create_link+0x5f/0xc0 [ 85.435625][ T1551] device_add+0x789/0x1db0 [ 85.440056][ T1551] ? memset+0x20/0x40 [ 85.444055][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 85.449535][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 85.455807][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 85.461298][ T1551] tty_register_device_attr+0x395/0x7b0 [ 85.466864][ T1551] ? send_break.part.0+0x300/0x300 [ 85.471991][ T1551] ? mark_held_locks+0x9f/0xe0 [ 85.476783][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 85.482257][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 85.487995][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 85.494523][ T1551] hso_serial_common_create+0x124/0x8b0 [ 85.500637][ T1551] ? kasan_unpoison+0x3a/0x60 [ 85.505336][ T1551] hso_probe+0xef9/0x1f70 [ 85.509681][ T1551] usb_probe_interface+0x315/0x7f0 [ 85.514832][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 85.520405][ T1551] really_probe+0x291/0xe60 [ 85.525027][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 85.531289][ T1551] driver_probe_device+0x26b/0x3d0 [ 85.536507][ T1551] __device_attach_driver+0x1d1/0x290 [ 85.541912][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 85.547910][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 85.552957][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 85.558001][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.564008][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 85.569056][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 85.574900][ T1551] __device_attach+0x228/0x4a0 [ 85.579843][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 85.585935][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 85.591267][ T1551] bus_probe_device+0x1e4/0x290 [ 85.596132][ T1551] device_add+0xbdb/0x1db0 [ 85.600569][ T1551] ? wait_for_completion_io+0x270/0x270 [ 85.606127][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 85.612382][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.618376][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 85.624394][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 85.630653][ T1551] usb_set_configuration+0x113f/0x1910 [ 85.636136][ T1551] usb_generic_driver_probe+0xba/0x100 [ 85.641617][ T1551] usb_probe_device+0xd9/0x2c0 [ 85.647381][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 85.653555][ T1551] really_probe+0x291/0xe60 [ 85.658098][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 85.664351][ T1551] driver_probe_device+0x26b/0x3d0 [ 85.669486][ T1551] __device_attach_driver+0x1d1/0x290 [ 85.675493][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 85.681510][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 85.686381][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 85.691452][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.697649][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 85.702960][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 85.708784][ T1551] __device_attach+0x228/0x4a0 [ 85.713728][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 85.719822][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 85.725134][ T1551] bus_probe_device+0x1e4/0x290 [ 85.730008][ T1551] device_add+0xbdb/0x1db0 [ 85.734452][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 85.740722][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 85.746979][ T1551] usb_new_device.cold+0x721/0x1058 [ 85.752212][ T1551] ? hub_disconnect+0x510/0x510 [ 85.757076][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 85.762349][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 85.768357][ T1551] hub_event+0x2357/0x4320 [ 85.772794][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 85.777920][ T1551] ? zap_class+0x5b1/0x9a0 [ 85.782350][ T1551] ? process_one_work+0x520/0x1580 [ 85.787562][ T1551] ? lock_release+0x6d0/0x6d0 [ 85.793142][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 85.798005][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 85.803666][ T1551] ? lock_is_held_type+0x98/0x110 [ 85.808715][ T1551] process_one_work+0x98d/0x1580 [ 85.813671][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 85.819147][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 85.824127][ T1551] worker_thread+0x64c/0x1120 [ 85.828837][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 85.833891][ T1551] ? process_one_work+0x1580/0x1580 [ 85.839117][ T1551] kthread+0x38c/0x460 [ 85.843986][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 85.849463][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 85.854593][ T1551] ret_from_fork+0x1f/0x30 [ 85.859219][ T5] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 85.859527][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 85.866900][ T2633] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 85.875009][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 executing program [ 85.890411][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.900738][ T17] Workqueue: usb_hub_wq hub_event [ 85.905805][ T17] Call Trace: [ 85.909105][ T17] dump_stack+0xfa/0x151 [ 85.913480][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 85.918447][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 85.924366][ T17] sysfs_create_link+0x5f/0xc0 [ 85.929152][ T17] device_add+0x789/0x1db0 [ 85.934200][ T17] ? memset+0x20/0x40 [ 85.938207][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 85.943690][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 85.952200][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 85.957714][ T17] tty_register_device_attr+0x395/0x7b0 [ 85.963307][ T17] ? send_break.part.0+0x300/0x300 [ 85.968427][ T17] ? mark_held_locks+0x9f/0xe0 [ 85.973242][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 85.978752][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 85.984505][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 85.990617][ T17] hso_serial_common_create+0x124/0x8b0 [ 85.996563][ T17] ? kasan_unpoison+0x3a/0x60 [ 86.001275][ T17] hso_probe+0xef9/0x1f70 [ 86.005775][ T17] usb_probe_interface+0x315/0x7f0 [ 86.011110][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 86.016496][ T17] really_probe+0x291/0xe60 [ 86.021261][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 86.027534][ T17] driver_probe_device+0x26b/0x3d0 [ 86.032675][ T17] __device_attach_driver+0x1d1/0x290 [ 86.038065][ T17] ? driver_allows_async_probing+0x150/0x150 [ 86.044057][ T17] bus_for_each_drv+0x15f/0x1e0 [ 86.048914][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 86.054086][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 86.060154][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 86.065296][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 86.071118][ T17] __device_attach+0x228/0x4a0 [ 86.075989][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 86.082224][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 86.087608][ T17] bus_probe_device+0x1e4/0x290 [ 86.092727][ T17] device_add+0xbdb/0x1db0 [ 86.096906][ T5] usb 5-1: Using ep0 maxpacket: 8 [ 86.097166][ T17] ? wait_for_completion_io+0x270/0x270 [ 86.097196][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 86.114460][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 86.120515][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 86.126444][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 86.132806][ T17] usb_set_configuration+0x113f/0x1910 [ 86.138734][ T17] usb_generic_driver_probe+0xba/0x100 [ 86.144210][ T17] usb_probe_device+0xd9/0x2c0 [ 86.146902][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 86.149210][ T17] ? usb_driver_release_interface+0x180/0x180 [ 86.149245][ T17] really_probe+0x291/0xe60 [ 86.149269][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 86.149293][ T17] driver_probe_device+0x26b/0x3d0 [ 86.176445][ T17] __device_attach_driver+0x1d1/0x290 [ 86.181841][ T17] ? driver_allows_async_probing+0x150/0x150 [ 86.188146][ T17] bus_for_each_drv+0x15f/0x1e0 [ 86.193008][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 86.198031][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 86.204253][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 86.209277][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 86.215092][ T17] __device_attach+0x228/0x4a0 [ 86.217076][ T5] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 86.219935][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 86.219966][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 86.229135][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.235179][ T17] bus_probe_device+0x1e4/0x290 [ 86.253077][ T5] usb 5-1: config 0 descriptor?? [ 86.253452][ T17] device_add+0xbdb/0x1db0 [ 86.253483][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 86.253509][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 86.253534][ T17] usb_new_device.cold+0x721/0x1058 [ 86.277332][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 86.281256][ T17] ? hub_disconnect+0x510/0x510 [ 86.281292][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 86.290380][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.295175][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 86.314051][ T17] hub_event+0x2357/0x4320 [ 86.318587][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 86.323832][ T17] ? zap_class+0x5b1/0x9a0 [ 86.328268][ T17] ? process_one_work+0x520/0x1580 [ 86.333084][ T2633] usb 2-1: config 0 descriptor?? [ 86.333659][ T17] ? lock_release+0x6d0/0x6d0 [ 86.333692][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 86.333715][ T17] ? lock_is_held_type+0x98/0x110 [ 86.353527][ T17] process_one_work+0x98d/0x1580 [ 86.358497][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 86.363917][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 86.368998][ T17] worker_thread+0x64c/0x1120 [ 86.373711][ T17] ? process_one_work+0x1580/0x1580 [ 86.379117][ T17] kthread+0x38c/0x460 [ 86.383998][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 86.390013][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 86.395150][ T17] ret_from_fork+0x1f/0x30 [ 86.400090][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 86.411265][ T4401] usb 6-1: USB disconnect, device number 2 [ 86.424688][ T1551] usb 3-1: USB disconnect, device number 2 [ 86.437983][ T32] usb 1-1: USB disconnect, device number 2 [ 86.451985][ T17] usb 4-1: USB disconnect, device number 2 [ 86.508385][ T5] hso 5-1:0.0: Failed to find BULK IN ep [ 86.608078][ T2633] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 86.709788][ T2633] usb 5-1: USB disconnect, device number 3 executing program [ 86.786965][ T4401] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 86.794873][ T1551] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 86.802902][ T32] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 86.809846][ T5] usb 2-1: USB disconnect, device number 3 [ 86.837050][ T17] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 87.056932][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 87.066893][ T2633] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 87.076991][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 87.082322][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 87.087584][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 87.176880][ T5] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 87.207206][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 87.216448][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 87.227269][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 87.236351][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 87.244920][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 87.254078][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 87.262425][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 87.271691][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 87.280029][ T4401] usb 6-1: config 0 descriptor?? [ 87.289585][ T1551] usb 3-1: config 0 descriptor?? [ 87.300539][ T32] usb 1-1: config 0 descriptor?? [ 87.306446][ T17] usb 4-1: config 0 descriptor?? [ 87.307369][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 87.416986][ T5] usb 2-1: Using ep0 maxpacket: 8 [ 87.447039][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 87.456683][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 87.467248][ T2633] usb 5-1: config 0 descriptor?? [ 87.537103][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 87.546472][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 87.556435][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 87.562602][ T5] usb 2-1: config 0 descriptor?? [ 87.563319][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 87.575138][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 87.583051][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.593325][ T32] Workqueue: usb_hub_wq hub_event [ 87.601872][ T32] Call Trace: [ 87.605173][ T32] dump_stack+0xfa/0x151 [ 87.609441][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 87.614404][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 87.619882][ T32] sysfs_create_link+0x5f/0xc0 [ 87.624671][ T32] device_add+0x789/0x1db0 [ 87.629197][ T32] ? memset+0x20/0x40 [ 87.633200][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 87.638767][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 87.645058][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 87.650669][ T32] tty_register_device_attr+0x395/0x7b0 [ 87.659653][ T32] ? send_break.part.0+0x300/0x300 [ 87.664784][ T32] ? mark_held_locks+0x9f/0xe0 [ 87.669591][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 87.675119][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 87.681411][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 87.687492][ T32] hso_serial_common_create+0x124/0x8b0 [ 87.693077][ T32] ? kasan_unpoison+0x3a/0x60 [ 87.697781][ T32] hso_probe+0xef9/0x1f70 [ 87.702138][ T32] usb_probe_interface+0x315/0x7f0 [ 87.707297][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 87.712705][ T32] really_probe+0x291/0xe60 [ 87.717221][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 87.723985][ T32] driver_probe_device+0x26b/0x3d0 [ 87.727857][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 87.730147][ T32] __device_attach_driver+0x1d1/0x290 [ 87.743060][ T32] ? driver_allows_async_probing+0x150/0x150 [ 87.749080][ T32] bus_for_each_drv+0x15f/0x1e0 [ 87.754902][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 87.760048][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 87.766480][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 87.771529][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 87.777642][ T32] __device_attach+0x228/0x4a0 [ 87.782437][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 87.793759][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 87.799276][ T32] bus_probe_device+0x1e4/0x290 [ 87.804447][ T32] device_add+0xbdb/0x1db0 [ 87.808883][ T32] ? wait_for_completion_io+0x270/0x270 [ 87.814447][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 87.820708][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 87.826703][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 87.832636][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 87.838895][ T32] usb_set_configuration+0x113f/0x1910 [ 87.844379][ T32] usb_generic_driver_probe+0xba/0x100 [ 87.849956][ T32] usb_probe_device+0xd9/0x2c0 [ 87.854740][ T32] ? usb_driver_release_interface+0x180/0x180 [ 87.860821][ T32] really_probe+0x291/0xe60 [ 87.865465][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 87.871747][ T32] driver_probe_device+0x26b/0x3d0 [ 87.876882][ T32] __device_attach_driver+0x1d1/0x290 [ 87.882269][ T32] ? driver_allows_async_probing+0x150/0x150 [ 87.888265][ T32] bus_for_each_drv+0x15f/0x1e0 [ 87.893753][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 87.898810][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 87.904808][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 87.909886][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 87.915808][ T32] __device_attach+0x228/0x4a0 [ 87.920859][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 87.927557][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 87.933058][ T32] bus_probe_device+0x1e4/0x290 [ 87.938138][ T32] device_add+0xbdb/0x1db0 [ 87.943021][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 87.949391][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 87.956345][ T32] usb_new_device.cold+0x721/0x1058 [ 87.961584][ T32] ? hub_disconnect+0x510/0x510 [ 87.966453][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 87.971408][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 87.977549][ T32] hub_event+0x2357/0x4320 [ 87.982011][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 87.987153][ T32] ? zap_class+0x5b1/0x9a0 [ 87.991698][ T32] ? process_one_work+0x521/0x1580 [ 87.996826][ T32] ? lock_release+0x6d0/0x6d0 [ 88.001518][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 88.006397][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 88.012405][ T32] ? lock_is_held_type+0x98/0x110 [ 88.017474][ T32] process_one_work+0x98d/0x1580 [ 88.022443][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.027931][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 88.032896][ T32] worker_thread+0x82b/0x1120 [ 88.037597][ T32] ? __kthread_parkme+0x118/0x1d0 [ 88.042665][ T32] ? process_one_work+0x1580/0x1580 [ 88.047986][ T32] kthread+0x38c/0x460 [ 88.052512][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 88.057733][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 88.062971][ T32] ret_from_fork+0x1f/0x30 [ 88.067428][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 88.069839][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 88.075526][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.093036][ T2633] Workqueue: usb_hub_wq hub_event [ 88.098093][ T2633] Call Trace: [ 88.102174][ T2633] dump_stack+0xfa/0x151 [ 88.106448][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 88.111430][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 88.116909][ T2633] sysfs_create_link+0x5f/0xc0 [ 88.121693][ T2633] device_add+0x789/0x1db0 [ 88.126134][ T2633] ? memset+0x20/0x40 [ 88.130688][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 88.136354][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 88.143091][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 88.148493][ T2633] tty_register_device_attr+0x395/0x7b0 [ 88.154075][ T2633] ? send_break.part.0+0x300/0x300 [ 88.160340][ T2633] ? mark_held_locks+0x9f/0xe0 [ 88.165619][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 88.171108][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 88.176969][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 88.183231][ T2633] hso_serial_common_create+0x124/0x8b0 [ 88.188792][ T2633] ? kasan_unpoison+0x3a/0x60 [ 88.193484][ T2633] hso_probe+0xef9/0x1f70 [ 88.197827][ T2633] usb_probe_interface+0x315/0x7f0 [ 88.202958][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 88.208343][ T2633] really_probe+0x291/0xe60 [ 88.212996][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 88.219279][ T2633] driver_probe_device+0x26b/0x3d0 [ 88.224411][ T2633] __device_attach_driver+0x1d1/0x290 [ 88.229803][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 88.236162][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 88.241041][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 88.246174][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.252190][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 88.257231][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 88.263063][ T2633] __device_attach+0x228/0x4a0 [ 88.267942][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 88.274031][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 88.279336][ T2633] bus_probe_device+0x1e4/0x290 [ 88.284219][ T2633] device_add+0xbdb/0x1db0 [ 88.288853][ T2633] ? wait_for_completion_io+0x270/0x270 [ 88.294421][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 88.300944][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.307555][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 88.313378][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 88.320158][ T2633] usb_set_configuration+0x113f/0x1910 [ 88.325638][ T2633] usb_generic_driver_probe+0xba/0x100 [ 88.331560][ T2633] usb_probe_device+0xd9/0x2c0 [ 88.336344][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 88.342428][ T2633] really_probe+0x291/0xe60 [ 88.346949][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 88.353551][ T2633] driver_probe_device+0x26b/0x3d0 [ 88.359422][ T2633] __device_attach_driver+0x1d1/0x290 [ 88.364816][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 88.371001][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 88.375872][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 88.381326][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.389156][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 88.394220][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 88.400356][ T2633] __device_attach+0x228/0x4a0 [ 88.405328][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 88.411436][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 88.416988][ T2633] bus_probe_device+0x1e4/0x290 [ 88.422051][ T2633] device_add+0xbdb/0x1db0 [ 88.426575][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 88.432848][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 88.439122][ T2633] usb_new_device.cold+0x721/0x1058 [ 88.444537][ T2633] ? hub_disconnect+0x510/0x510 [ 88.449698][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 88.454757][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.460761][ T2633] hub_event+0x2357/0x4320 [ 88.465214][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 88.470449][ T2633] ? zap_class+0x5b0/0x9a0 [ 88.474897][ T2633] ? process_one_work+0x521/0x1580 [ 88.480034][ T2633] ? lock_release+0x6d0/0x6d0 [ 88.484741][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 88.489725][ T2633] ? lock_is_held_type+0x98/0x110 [ 88.494780][ T2633] process_one_work+0x98d/0x1580 [ 88.499825][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.505275][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 88.510419][ T2633] worker_thread+0x64c/0x1120 [ 88.515217][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 88.520256][ T2633] ? process_one_work+0x1580/0x1580 [ 88.525562][ T2633] kthread+0x38c/0x460 [ 88.529658][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 88.534876][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 88.540629][ T2633] ret_from_fork+0x1f/0x30 [ 88.545068][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 [ 88.553075][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.563333][ T17] Workqueue: usb_hub_wq hub_event [ 88.568399][ T17] Call Trace: [ 88.571694][ T17] dump_stack+0xfa/0x151 [ 88.575986][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 88.577314][ T5] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 88.580941][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 88.580972][ T17] sysfs_create_link+0x5f/0xc0 [ 88.580993][ T17] device_add+0x789/0x1db0 [ 88.603142][ T17] ? memset+0x20/0x40 [ 88.607141][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 88.612883][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 88.619313][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 88.624619][ T17] tty_register_device_attr+0x395/0x7b0 [ 88.630189][ T17] ? send_break.part.0+0x300/0x300 [ 88.635406][ T17] ? mark_held_locks+0x9f/0xe0 [ 88.640271][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 88.645756][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 88.651493][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 88.657690][ T17] hso_serial_common_create+0x124/0x8b0 [ 88.663280][ T17] ? kasan_unpoison+0x3a/0x60 [ 88.667984][ T17] hso_probe+0xef9/0x1f70 [ 88.672438][ T17] usb_probe_interface+0x315/0x7f0 [ 88.677687][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 88.683087][ T17] really_probe+0x291/0xe60 [ 88.687635][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 88.693983][ T17] driver_probe_device+0x26b/0x3d0 [ 88.699141][ T17] __device_attach_driver+0x1d1/0x290 [ 88.704562][ T17] ? driver_allows_async_probing+0x150/0x150 [ 88.710666][ T17] bus_for_each_drv+0x15f/0x1e0 [ 88.715927][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 88.720975][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.726991][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 88.732064][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 88.737918][ T17] __device_attach+0x228/0x4a0 [ 88.742876][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 88.748961][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 88.754262][ T17] bus_probe_device+0x1e4/0x290 [ 88.759136][ T17] device_add+0xbdb/0x1db0 [ 88.764089][ T17] ? wait_for_completion_io+0x270/0x270 [ 88.769756][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 88.776018][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.782021][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 88.788023][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 88.794286][ T17] usb_set_configuration+0x113f/0x1910 [ 88.799787][ T17] usb_generic_driver_probe+0xba/0x100 [ 88.805274][ T17] usb_probe_device+0xd9/0x2c0 [ 88.810067][ T17] ? usb_driver_release_interface+0x180/0x180 [ 88.817197][ T17] really_probe+0x291/0xe60 [ 88.821833][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 88.828289][ T17] driver_probe_device+0x26b/0x3d0 [ 88.833430][ T17] __device_attach_driver+0x1d1/0x290 [ 88.838929][ T17] ? driver_allows_async_probing+0x150/0x150 [ 88.844924][ T17] bus_for_each_drv+0x15f/0x1e0 [ 88.850233][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 88.855285][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.861461][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 88.866507][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 88.872341][ T17] __device_attach+0x228/0x4a0 [ 88.877128][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 88.883210][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 88.888604][ T17] bus_probe_device+0x1e4/0x290 [ 88.893472][ T17] device_add+0xbdb/0x1db0 [ 88.897900][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 88.904414][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 88.910682][ T17] usb_new_device.cold+0x721/0x1058 [ 88.916783][ T17] ? hub_disconnect+0x510/0x510 [ 88.921670][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 88.926651][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 88.932652][ T17] hub_event+0x2357/0x4320 [ 88.937115][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 88.942261][ T17] ? zap_class+0x5b1/0x9a0 [ 88.946687][ T17] ? process_one_work+0x521/0x1580 [ 88.951824][ T17] ? lock_release+0x6d0/0x6d0 [ 88.956519][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 88.961384][ T17] ? do_raw_spin_lock+0x120/0x2b0 [ 88.966513][ T17] ? lock_is_held_type+0x98/0x110 [ 88.971558][ T17] process_one_work+0x98d/0x1580 [ 88.976516][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.981921][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 88.986910][ T17] worker_thread+0x82b/0x1120 [ 88.991612][ T17] ? process_one_work+0x1580/0x1580 [ 88.996827][ T17] kthread+0x38c/0x460 [ 89.000907][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 89.006122][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 89.011447][ T17] ret_from_fork+0x1f/0x30 [ 89.016412][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.11.0-syzkaller #0 [ 89.016912][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 89.024589][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.042286][ T5] Workqueue: usb_hub_wq hub_event [ 89.047449][ T5] Call Trace: [ 89.050744][ T5] dump_stack+0xfa/0x151 [ 89.054998][ T5] sysfs_warn_dup.cold+0x1c/0x29 [ 89.059952][ T5] sysfs_do_create_link_sd+0x11e/0x140 [ 89.065426][ T5] sysfs_create_link+0x5f/0xc0 [ 89.070203][ T5] device_add+0x789/0x1db0 [ 89.074629][ T5] ? memset+0x20/0x40 [ 89.078670][ T5] ? lockdep_init_map_type+0x2c3/0x780 [ 89.084151][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 89.090405][ T5] ? __init_waitqueue_head+0x6b/0xd0 [ 89.095706][ T5] tty_register_device_attr+0x395/0x7b0 [ 89.101270][ T5] ? send_break.part.0+0x300/0x300 [ 89.106397][ T5] ? mark_held_locks+0x9f/0xe0 [ 89.111438][ T5] ? lockdep_init_map_type+0x2c3/0x780 [ 89.117608][ T5] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 89.123437][ T5] ? tty_port_register_device_attr+0xbc/0x110 [ 89.129575][ T5] hso_serial_common_create+0x124/0x8b0 [ 89.135136][ T5] ? kasan_unpoison+0x3a/0x60 [ 89.139848][ T5] hso_probe+0xef9/0x1f70 [ 89.146017][ T5] usb_probe_interface+0x315/0x7f0 [ 89.151158][ T5] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 89.156555][ T5] really_probe+0x291/0xe60 [ 89.161249][ T5] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 89.167534][ T5] driver_probe_device+0x26b/0x3d0 [ 89.172671][ T5] __device_attach_driver+0x1d1/0x290 [ 89.178171][ T5] ? driver_allows_async_probing+0x150/0x150 [ 89.184191][ T5] bus_for_each_drv+0x15f/0x1e0 [ 89.189056][ T5] ? bus_for_each_dev+0x1d0/0x1d0 [ 89.194287][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.200573][ T5] ? trace_hardirqs_on+0x5b/0x1a0 [ 89.205648][ T5] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 89.211663][ T5] __device_attach+0x228/0x4a0 [ 89.216455][ T5] ? __driver_attach_async_helper+0x330/0x330 [ 89.222564][ T5] ? kobject_uevent_env+0x2bb/0x1680 [ 89.227879][ T5] bus_probe_device+0x1e4/0x290 [ 89.232753][ T5] device_add+0xbdb/0x1db0 [ 89.237302][ T5] ? wait_for_completion_io+0x270/0x270 [ 89.242863][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 89.249120][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.255113][ T5] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 89.260942][ T5] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 89.267280][ T5] usb_set_configuration+0x113f/0x1910 [ 89.272760][ T5] usb_generic_driver_probe+0xba/0x100 [ 89.278260][ T5] usb_probe_device+0xd9/0x2c0 [ 89.283063][ T5] ? usb_driver_release_interface+0x180/0x180 [ 89.289165][ T5] really_probe+0x291/0xe60 [ 89.293701][ T5] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 89.300133][ T5] driver_probe_device+0x26b/0x3d0 [ 89.305265][ T5] __device_attach_driver+0x1d1/0x290 [ 89.310678][ T5] ? driver_allows_async_probing+0x150/0x150 [ 89.316762][ T5] bus_for_each_drv+0x15f/0x1e0 [ 89.321628][ T5] ? bus_for_each_dev+0x1d0/0x1d0 [ 89.326841][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.333026][ T5] ? trace_hardirqs_on+0x5b/0x1a0 [ 89.338094][ T5] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 89.343926][ T5] __device_attach+0x228/0x4a0 [ 89.348817][ T5] ? __driver_attach_async_helper+0x330/0x330 [ 89.354914][ T5] ? kobject_uevent_env+0x2bb/0x1680 [ 89.360220][ T5] bus_probe_device+0x1e4/0x290 [ 89.365093][ T5] device_add+0xbdb/0x1db0 [ 89.369540][ T5] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 89.376757][ T5] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 89.383380][ T5] usb_new_device.cold+0x721/0x1058 [ 89.388611][ T5] ? hub_disconnect+0x510/0x510 [ 89.393583][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 89.398567][ T5] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.404585][ T5] hub_event+0x2357/0x4320 [ 89.409560][ T5] ? hub_port_debounce+0x3c0/0x3c0 [ 89.414698][ T5] ? zap_class+0x5b0/0x9a0 [ 89.419149][ T5] ? process_one_work+0x521/0x1580 [ 89.424464][ T5] ? lock_release+0x6d0/0x6d0 [ 89.429449][ T5] ? lock_downgrade+0x6d0/0x6d0 [ 89.434507][ T5] ? lock_is_held_type+0x98/0x110 [ 89.439643][ T5] process_one_work+0x98d/0x1580 [ 89.444715][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 89.450194][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 89.455156][ T5] worker_thread+0x64c/0x1120 [ 89.459870][ T5] ? process_one_work+0x1580/0x1580 [ 89.465090][ T5] kthread+0x38c/0x460 [ 89.469210][ T5] ? _raw_spin_unlock_irq+0x1f/0x30 [ 89.474423][ T5] ? __kthread_bind_mask+0xc0/0xc0 [ 89.479543][ T5] ret_from_fork+0x1f/0x30 [ 89.483979][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 executing program executing program executing program executing program [ 89.492078][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.502151][ T1551] Workqueue: usb_hub_wq hub_event [ 89.507211][ T1551] Call Trace: [ 89.510504][ T1551] dump_stack+0xfa/0x151 [ 89.514772][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 89.519736][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 89.525244][ T1551] sysfs_create_link+0x5f/0xc0 [ 89.530043][ T1551] device_add+0x789/0x1db0 [ 89.534477][ T1551] ? memset+0x20/0x40 [ 89.538491][ T1551] ? lockdep_init_map_type+0x2c3/0x780 executing program [ 89.544229][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 89.550784][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 89.556102][ T1551] tty_register_device_attr+0x395/0x7b0 [ 89.561777][ T1551] ? send_break.part.0+0x300/0x300 [ 89.567181][ T1551] ? mark_held_locks+0x9f/0xe0 [ 89.572007][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 89.577868][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 89.583622][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 89.589727][ T1551] hso_serial_common_create+0x124/0x8b0 [ 89.595412][ T1551] ? kasan_unpoison+0x3a/0x60 [ 89.600479][ T1551] hso_probe+0xef9/0x1f70 [ 89.604837][ T1551] usb_probe_interface+0x315/0x7f0 [ 89.610069][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 89.615757][ T1551] really_probe+0x291/0xe60 [ 89.620285][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 89.626722][ T1551] driver_probe_device+0x26b/0x3d0 [ 89.631871][ T1551] __device_attach_driver+0x1d1/0x290 [ 89.637280][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 89.643602][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 89.648530][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 89.653597][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.659811][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 89.664870][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 89.670798][ T1551] __device_attach+0x228/0x4a0 [ 89.675681][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 89.681810][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 89.687150][ T1551] bus_probe_device+0x1e4/0x290 [ 89.692032][ T1551] device_add+0xbdb/0x1db0 [ 89.696479][ T1551] ? wait_for_completion_io+0x270/0x270 [ 89.702056][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 89.708334][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.714361][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 89.720208][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 89.727537][ T1551] usb_set_configuration+0x113f/0x1910 [ 89.733155][ T1551] usb_generic_driver_probe+0xba/0x100 [ 89.738840][ T1551] usb_probe_device+0xd9/0x2c0 [ 89.743639][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 89.749740][ T1551] really_probe+0x291/0xe60 [ 89.754272][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 89.761601][ T1551] driver_probe_device+0x26b/0x3d0 [ 89.766745][ T1551] __device_attach_driver+0x1d1/0x290 [ 89.772162][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 89.778295][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 89.783203][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 89.788520][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.794668][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 89.799720][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 89.805558][ T1551] __device_attach+0x228/0x4a0 [ 89.810351][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 89.816460][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 89.821793][ T1551] bus_probe_device+0x1e4/0x290 [ 89.826679][ T1551] device_add+0xbdb/0x1db0 [ 89.831140][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 89.835279][ T5] usb 2-1: USB disconnect, device number 4 [ 89.837412][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 executing program [ 89.837444][ T1551] usb_new_device.cold+0x721/0x1058 [ 89.837485][ T1551] ? hub_disconnect+0x510/0x510 [ 89.837518][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 89.837543][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 89.837565][ T1551] hub_event+0x2357/0x4320 [ 89.873963][ T2633] usb 5-1: USB disconnect, device number 4 [ 89.875520][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 89.875557][ T1551] ? zap_class+0x5b1/0x9a0 [ 89.875580][ T1551] ? process_one_work+0x521/0x1580 [ 89.896289][ T1551] ? lock_release+0x6d0/0x6d0 [ 89.901105][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 89.907145][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 89.912205][ T1551] ? lock_is_held_type+0x98/0x110 [ 89.917280][ T1551] process_one_work+0x98d/0x1580 [ 89.922354][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 89.928306][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 89.933260][ T1551] worker_thread+0x82b/0x1120 [ 89.938244][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 89.943271][ T1551] ? process_one_work+0x1580/0x1580 [ 89.948478][ T1551] kthread+0x38c/0x460 [ 89.952620][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 89.957841][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 89.962957][ T1551] ret_from_fork+0x1f/0x30 [ 89.970550][ T32] usb 1-1: USB disconnect, device number 3 [ 89.979601][ T4401] usb 6-1: USB disconnect, device number 3 [ 89.992759][ T17] usb 4-1: USB disconnect, device number 3 [ 90.003683][ T1551] usb 3-1: USB disconnect, device number 3 [ 90.226925][ T5] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 90.256962][ T2633] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 90.376928][ T32] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 90.384599][ T4401] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 90.407029][ T17] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 90.427093][ T1551] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 90.466959][ T5] usb 2-1: Using ep0 maxpacket: 8 [ 90.496905][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 90.587115][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 90.596541][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 90.612426][ T5] usb 2-1: config 0 descriptor?? [ 90.617839][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 90.627030][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 90.641254][ T2633] usb 5-1: config 0 descriptor?? [ 90.647194][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 90.652652][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 90.687312][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 90.727109][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 90.807171][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 90.818880][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 90.827103][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 90.836172][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 90.844664][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 90.855353][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 90.865611][ T4401] usb 6-1: config 0 descriptor?? [ 90.871890][ T32] usb 1-1: config 0 descriptor?? [ 90.879267][ T17] usb 4-1: config 0 descriptor?? [ 90.888099][ T5] hso 2-1:0.0: Failed to find BULK IN ep [ 90.897146][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 90.906266][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 90.907368][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 90.922284][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 90.930368][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.935568][ T1551] usb 3-1: config 0 descriptor?? [ 90.940444][ T2633] Workqueue: usb_hub_wq hub_event [ 90.940489][ T2633] Call Trace: [ 90.940500][ T2633] dump_stack+0xfa/0x151 [ 90.940525][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 90.940551][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 90.968393][ T2633] sysfs_create_link+0x5f/0xc0 [ 90.973269][ T2633] device_add+0x789/0x1db0 [ 90.977712][ T2633] ? memset+0x20/0x40 [ 90.981719][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 90.987235][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 90.993586][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 90.998988][ T2633] tty_register_device_attr+0x395/0x7b0 [ 91.004657][ T2633] ? send_break.part.0+0x300/0x300 [ 91.010054][ T2633] ? mark_held_locks+0x9f/0xe0 [ 91.014843][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 91.020323][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 91.026507][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 91.032608][ T2633] hso_serial_common_create+0x124/0x8b0 [ 91.038354][ T2633] ? kasan_unpoison+0x3a/0x60 [ 91.043055][ T2633] hso_probe+0xef9/0x1f70 [ 91.047460][ T2633] usb_probe_interface+0x315/0x7f0 [ 91.052652][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 91.058126][ T2633] really_probe+0x291/0xe60 [ 91.062755][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 91.069022][ T2633] driver_probe_device+0x26b/0x3d0 [ 91.074518][ T2633] __device_attach_driver+0x1d1/0x290 [ 91.079914][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 91.085919][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 91.090792][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 91.095837][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 91.101855][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 91.107407][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 91.113333][ T2633] __device_attach+0x228/0x4a0 [ 91.118320][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 91.124414][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 91.129729][ T2633] bus_probe_device+0x1e4/0x290 [ 91.134604][ T2633] device_add+0xbdb/0x1db0 [ 91.139232][ T2633] ? wait_for_completion_io+0x270/0x270 [ 91.144801][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 91.151167][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 91.157168][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 91.163311][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 91.169619][ T2633] usb_set_configuration+0x113f/0x1910 [ 91.175073][ T2633] usb_generic_driver_probe+0xba/0x100 [ 91.180559][ T2633] usb_probe_device+0xd9/0x2c0 [ 91.185319][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 91.191478][ T2633] really_probe+0x291/0xe60 [ 91.196056][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 91.202420][ T2633] driver_probe_device+0x26b/0x3d0 [ 91.207589][ T2633] __device_attach_driver+0x1d1/0x290 [ 91.212959][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 91.219055][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 91.223905][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 91.229322][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 91.235408][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 91.240433][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 91.246656][ T2633] __device_attach+0x228/0x4a0 [ 91.251656][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 91.257739][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 91.263109][ T2633] bus_probe_device+0x1e4/0x290 [ 91.268066][ T2633] device_add+0xbdb/0x1db0 [ 91.272491][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 91.278735][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 91.284995][ T2633] usb_new_device.cold+0x721/0x1058 [ 91.290671][ T2633] ? hub_disconnect+0x510/0x510 [ 91.295558][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 91.300504][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 91.307044][ T2633] hub_event+0x2357/0x4320 [ 91.312081][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 91.317197][ T2633] ? zap_class+0x5b0/0x9a0 [ 91.321631][ T2633] ? process_one_work+0x521/0x1580 [ 91.326775][ T2633] ? lock_release+0x6d0/0x6d0 [ 91.331492][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 91.336834][ T2633] ? do_raw_spin_lock+0x120/0x2b0 [ 91.341895][ T2633] ? lock_is_held_type+0x98/0x110 [ 91.347193][ T2633] process_one_work+0x98d/0x1580 [ 91.353536][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 executing program [ 91.359155][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 91.364272][ T2633] worker_thread+0x64c/0x1120 [ 91.369302][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 91.374365][ T2633] ? process_one_work+0x1580/0x1580 [ 91.379833][ T2633] kthread+0x38c/0x460 [ 91.383994][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 91.389228][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 91.394425][ T2633] ret_from_fork+0x1f/0x30 executing program [ 91.406304][ T5] usb 2-1: USB disconnect, device number 5 [ 91.418566][ T2633] usb 5-1: USB disconnect, device number 5 [ 91.419134][ T32] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 91.620601][ T4399] usb 1-1: USB disconnect, device number 4 [ 91.631824][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 91.639391][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 [ 91.647522][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.657716][ T17] Workqueue: usb_hub_wq hub_event [ 91.662952][ T17] Call Trace: [ 91.666247][ T17] dump_stack+0xfa/0x151 [ 91.670806][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 91.675907][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 91.681491][ T17] sysfs_create_link+0x5f/0xc0 [ 91.686282][ T17] device_add+0x789/0x1db0 [ 91.690759][ T17] ? memset+0x20/0x40 [ 91.694858][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 91.700539][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 91.707074][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 91.712521][ T17] tty_register_device_attr+0x395/0x7b0 [ 91.718369][ T17] ? send_break.part.0+0x300/0x300 [ 91.723670][ T17] ? mark_held_locks+0x9f/0xe0 [ 91.728452][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 91.734189][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 91.740315][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 91.746386][ T17] hso_serial_common_create+0x124/0x8b0 [ 91.751967][ T17] ? kasan_unpoison+0x3a/0x60 [ 91.756637][ T17] hso_probe+0xef9/0x1f70 [ 91.760976][ T17] usb_probe_interface+0x315/0x7f0 [ 91.766633][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 91.772355][ T17] really_probe+0x291/0xe60 [ 91.776937][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 91.783447][ T17] driver_probe_device+0x26b/0x3d0 [ 91.787227][ T2633] usb 5-1: new high-speed USB device number 6 using dummy_hcd [ 91.788609][ T17] __device_attach_driver+0x1d1/0x290 [ 91.788641][ T17] ? driver_allows_async_probing+0x150/0x150 [ 91.788665][ T17] bus_for_each_drv+0x15f/0x1e0 [ 91.812614][ T17] ? bus_for_each_dev+0x1d0/0x1d0 executing program [ 91.817665][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 91.823677][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 91.828699][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 91.834612][ T17] __device_attach+0x228/0x4a0 [ 91.839375][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 91.845460][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 91.850779][ T17] bus_probe_device+0x1e4/0x290 [ 91.855657][ T17] device_add+0xbdb/0x1db0 [ 91.856960][ T5] usb 2-1: new high-speed USB device number 6 using dummy_hcd executing program [ 91.860707][ T17] ? wait_for_completion_io+0x270/0x270 [ 91.860742][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 91.860766][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 91.860793][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 91.860818][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 91.898202][ T17] usb_set_configuration+0x113f/0x1910 [ 91.903709][ T17] usb_generic_driver_probe+0xba/0x100 [ 91.909372][ T17] usb_probe_device+0xd9/0x2c0 [ 91.914281][ T17] ? usb_driver_release_interface+0x180/0x180 [ 91.920569][ T17] really_probe+0x291/0xe60 [ 91.925122][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 91.931388][ T17] driver_probe_device+0x26b/0x3d0 [ 91.936528][ T17] __device_attach_driver+0x1d1/0x290 [ 91.941925][ T17] ? driver_allows_async_probing+0x150/0x150 [ 91.947942][ T17] bus_for_each_drv+0x15f/0x1e0 [ 91.952953][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 91.958187][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 91.964644][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 91.969769][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 91.975783][ T17] __device_attach+0x228/0x4a0 [ 91.980767][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 91.986983][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 91.992402][ T17] bus_probe_device+0x1e4/0x290 [ 91.997254][ T17] device_add+0xbdb/0x1db0 [ 92.001700][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 92.008028][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 92.014617][ T17] usb_new_device.cold+0x721/0x1058 [ 92.019923][ T17] ? hub_disconnect+0x510/0x510 [ 92.024802][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 92.026898][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 92.029737][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 92.029769][ T17] hub_event+0x2357/0x4320 [ 92.029798][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 92.029825][ T17] ? zap_class+0x5b1/0x9a0 [ 92.047621][ T4399] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 92.050656][ T17] ? process_one_work+0x521/0x1580 [ 92.068437][ T17] ? lock_release+0x6d0/0x6d0 [ 92.073919][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 92.078787][ T17] ? do_raw_spin_lock+0x120/0x2b0 [ 92.083835][ T17] ? lock_is_held_type+0x98/0x110 [ 92.088866][ T17] process_one_work+0x98d/0x1580 [ 92.093853][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 92.099249][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 92.104183][ T17] worker_thread+0x82b/0x1120 [ 92.108886][ T17] ? process_one_work+0x1580/0x1580 [ 92.114104][ T17] kthread+0x38c/0x460 [ 92.116904][ T5] usb 2-1: Using ep0 maxpacket: 8 [ 92.118175][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 92.118207][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 92.118232][ T17] ret_from_fork+0x1f/0x30 [ 92.118800][ T4401] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 92.146771][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 92.147199][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 92.155012][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.155032][ T4401] Workqueue: usb_hub_wq hub_event [ 92.155064][ T4401] Call Trace: [ 92.155073][ T4401] dump_stack+0xfa/0x151 [ 92.164393][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 92.174308][ T4401] sysfs_warn_dup.cold+0x1c/0x29 [ 92.174344][ T4401] sysfs_do_create_link_sd+0x11e/0x140 [ 92.174367][ T4401] sysfs_create_link+0x5f/0xc0 [ 92.174387][ T4401] device_add+0x789/0x1db0 [ 92.174409][ T4401] ? memset+0x20/0x40 [ 92.174430][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 92.225169][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 92.231452][ T4401] ? __init_waitqueue_head+0x6b/0xd0 [ 92.237233][ T4401] tty_register_device_attr+0x395/0x7b0 [ 92.242819][ T4401] ? send_break.part.0+0x300/0x300 [ 92.248240][ T4401] ? mark_held_locks+0x9f/0xe0 [ 92.253035][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 92.260024][ T4401] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 92.266581][ T4401] ? tty_port_register_device_attr+0xbc/0x110 [ 92.272759][ T4401] hso_serial_common_create+0x124/0x8b0 [ 92.278674][ T4401] ? kasan_unpoison+0x3a/0x60 [ 92.283469][ T4401] hso_probe+0xef9/0x1f70 [ 92.287990][ T4401] usb_probe_interface+0x315/0x7f0 [ 92.296750][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 92.302607][ T4401] really_probe+0x291/0xe60 [ 92.307308][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 92.319825][ T4401] driver_probe_device+0x26b/0x3d0 [ 92.325055][ T4401] __device_attach_driver+0x1d1/0x290 [ 92.331023][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 92.337502][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 92.342660][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 92.347891][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 92.355116][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 92.360260][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 92.366118][ T4401] __device_attach+0x228/0x4a0 [ 92.371473][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 92.377578][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 92.382898][ T4401] bus_probe_device+0x1e4/0x290 [ 92.387836][ T4401] device_add+0xbdb/0x1db0 [ 92.392300][ T4401] ? wait_for_completion_io+0x270/0x270 [ 92.397873][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 92.404138][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 92.410140][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 92.416069][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 92.422339][ T4401] usb_set_configuration+0x113f/0x1910 [ 92.427876][ T4401] usb_generic_driver_probe+0xba/0x100 [ 92.433447][ T4401] usb_probe_device+0xd9/0x2c0 [ 92.438839][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 92.444923][ T4401] really_probe+0x291/0xe60 [ 92.449542][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 92.455824][ T4401] driver_probe_device+0x26b/0x3d0 [ 92.461034][ T4401] __device_attach_driver+0x1d1/0x290 [ 92.466444][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 92.472453][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 92.477608][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 92.482647][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 92.488672][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 92.493709][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 92.499976][ T4401] __device_attach+0x228/0x4a0 [ 92.504808][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 92.510900][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 92.516329][ T4401] bus_probe_device+0x1e4/0x290 [ 92.521227][ T4401] device_add+0xbdb/0x1db0 [ 92.525667][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 92.532315][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 92.538765][ T4401] usb_new_device.cold+0x721/0x1058 [ 92.544011][ T4401] ? hub_disconnect+0x510/0x510 [ 92.549067][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 92.554034][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 92.560060][ T4401] hub_event+0x2357/0x4320 [ 92.564502][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 92.569648][ T4401] ? zap_class+0x5b1/0x9a0 [ 92.574080][ T4401] ? process_one_work+0x521/0x1580 [ 92.579226][ T4401] ? lock_release+0x6d0/0x6d0 [ 92.583959][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 92.588835][ T4401] ? do_raw_spin_lock+0x120/0x2b0 [ 92.593893][ T4401] ? lock_is_held_type+0x98/0x110 [ 92.598970][ T4401] process_one_work+0x98d/0x1580 [ 92.604022][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 92.609414][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 92.614687][ T4401] ? lock_is_held_type+0x98/0x110 [ 92.620777][ T4401] worker_thread+0x82b/0x1120 [ 92.627132][ T4401] ? process_one_work+0x1580/0x1580 [ 92.632882][ T4401] kthread+0x38c/0x460 [ 92.637069][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 92.642385][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 92.647533][ T4401] ret_from_fork+0x1f/0x30 [ 92.652960][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 92.664925][ T17] usb 4-1: USB disconnect, device number 4 [ 92.680160][ T4401] usb 6-1: USB disconnect, device number 4 executing program [ 92.728164][ T1551] usb 3-1: USB disconnect, device number 4 [ 92.737268][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 92.752174][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 92.777812][ T2633] usb 5-1: config 0 descriptor?? [ 92.787099][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 92.816034][ T5] usb 2-1: config 0 descriptor?? [ 92.907069][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 92.919304][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 92.930366][ T4399] usb 1-1: config 0 descriptor?? [ 93.037091][ T17] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 93.038549][ T2633] hso 5-1:0.0: Failed to find BULK IN ep [ 93.067019][ T4401] usb 6-1: new high-speed USB device number 5 using dummy_hcd [ 93.088654][ T5] hso 2-1:0.0: Failed to find BULK IN ep [ 93.136944][ T1551] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 93.197824][ T4399] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 93.243236][ T4399] usb 5-1: USB disconnect, device number 6 executing program [ 93.287123][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 93.289394][ T5] usb 2-1: USB disconnect, device number 6 [ 93.307104][ T4401] usb 6-1: Using ep0 maxpacket: 8 executing program [ 93.398877][ T32] usb 1-1: USB disconnect, device number 5 [ 93.410735][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 93.427369][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 93.436475][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 93.447333][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 93.456402][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 93.466771][ T17] usb 4-1: config 0 descriptor?? [ 93.474993][ T4401] usb 6-1: config 0 descriptor?? [ 93.527394][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 93.537291][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 93.549389][ T1551] usb 3-1: config 0 descriptor?? [ 93.607095][ T4399] usb 5-1: new high-speed USB device number 7 using dummy_hcd [ 93.647035][ T5] usb 2-1: new high-speed USB device number 7 using dummy_hcd [ 93.728124][ T17] hso 4-1:0.0: Failed to find BULK IN ep [ 93.748082][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 93.807128][ T32] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 93.816212][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 93.847167][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 93.887217][ T5] usb 2-1: Using ep0 maxpacket: 8 executing program executing program [ 93.929655][ T2633] usb 4-1: USB disconnect, device number 5 [ 93.950740][ T4628] usb 6-1: USB disconnect, device number 5 [ 93.967204][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 93.976506][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.017041][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 94.026132][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.037759][ T4399] usb 5-1: config 0 descriptor?? [ 94.058549][ T4742] usb 3-1: USB disconnect, device number 5 [ 94.067255][ T5] usb 2-1: config 0 descriptor?? [ 94.076192][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 94.227033][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 94.236147][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.249256][ T32] usb 1-1: config 0 descriptor?? [ 94.298460][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 94.328221][ T5] hso 2-1:0.0: Failed to find BULK IN ep [ 94.340791][ T2633] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 94.349278][ T4628] usb 6-1: new high-speed USB device number 6 using dummy_hcd [ 94.427034][ T4742] usb 3-1: new high-speed USB device number 6 using dummy_hcd executing program executing program [ 94.500016][ T5] usb 5-1: USB disconnect, device number 7 [ 94.511500][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 94.534080][ T32] usb 2-1: USB disconnect, device number 7 [ 94.597358][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 94.603045][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 94.667029][ T4742] usb 3-1: Using ep0 maxpacket: 8 executing program [ 94.712508][ T1551] usb 1-1: USB disconnect, device number 6 [ 94.727341][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 94.736573][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.746064][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 94.755473][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.766966][ T2633] usb 4-1: config 0 descriptor?? [ 94.774121][ T4628] usb 6-1: config 0 descriptor?? [ 94.797400][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 94.806809][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.829403][ T4742] usb 3-1: config 0 descriptor?? [ 94.907071][ T5] usb 5-1: new high-speed USB device number 8 using dummy_hcd [ 94.936917][ T32] usb 2-1: new high-speed USB device number 8 using dummy_hcd [ 95.037744][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 95.045328][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 95.054331][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.064407][ T2633] Workqueue: usb_hub_wq hub_event [ 95.067011][ T1551] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 95.069549][ T2633] Call Trace: [ 95.069563][ T2633] dump_stack+0xfa/0x151 [ 95.069591][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 95.069618][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 95.096477][ T2633] sysfs_create_link+0x5f/0xc0 [ 95.101394][ T2633] device_add+0x789/0x1db0 [ 95.105833][ T2633] ? memset+0x20/0x40 [ 95.109830][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 95.115297][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 95.121536][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 95.127032][ T2633] tty_register_device_attr+0x395/0x7b0 [ 95.132659][ T2633] ? send_break.part.0+0x300/0x300 [ 95.137790][ T2633] ? mark_held_locks+0x9f/0xe0 [ 95.142559][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 95.148142][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 95.153874][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 95.160020][ T2633] hso_serial_common_create+0x124/0x8b0 [ 95.165579][ T2633] ? kasan_unpoison+0x3a/0x60 [ 95.170277][ T2633] hso_probe+0xef9/0x1f70 [ 95.174596][ T2633] usb_probe_interface+0x315/0x7f0 [ 95.180233][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 95.185898][ T2633] really_probe+0x291/0xe60 [ 95.190533][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 95.197037][ T2633] driver_probe_device+0x26b/0x3d0 [ 95.202239][ T2633] __device_attach_driver+0x1d1/0x290 [ 95.207604][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 95.213573][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 95.218525][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 95.223670][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.229658][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 executing program [ 95.234674][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 95.241005][ T2633] __device_attach+0x228/0x4a0 [ 95.245933][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 95.252003][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 95.257325][ T2633] bus_probe_device+0x1e4/0x290 [ 95.262190][ T2633] device_add+0xbdb/0x1db0 [ 95.266791][ T2633] ? wait_for_completion_io+0x270/0x270 [ 95.272493][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 95.278816][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.284832][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 95.290933][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.297499][ T2633] usb_set_configuration+0x113f/0x1910 [ 95.303168][ T2633] usb_generic_driver_probe+0xba/0x100 [ 95.308906][ T2633] usb_probe_device+0xd9/0x2c0 [ 95.313674][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 95.320172][ T2633] really_probe+0x291/0xe60 [ 95.325035][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 95.331361][ T2633] driver_probe_device+0x26b/0x3d0 [ 95.336564][ T2633] __device_attach_driver+0x1d1/0x290 [ 95.341953][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 95.347971][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 95.352841][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 95.357858][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.363839][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 95.368930][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 95.375283][ T2633] __device_attach+0x228/0x4a0 [ 95.380104][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 95.386799][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 95.392306][ T2633] bus_probe_device+0x1e4/0x290 [ 95.397702][ T2633] device_add+0xbdb/0x1db0 [ 95.402240][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 95.408608][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.414864][ T2633] usb_new_device.cold+0x721/0x1058 [ 95.421174][ T2633] ? hub_disconnect+0x510/0x510 [ 95.427086][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 95.432051][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.438125][ T2633] hub_event+0x2357/0x4320 [ 95.442680][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 95.447888][ T2633] ? zap_class+0x5b0/0x9a0 [ 95.452469][ T2633] ? process_one_work+0x521/0x1580 [ 95.457922][ T2633] ? lock_release+0x6d0/0x6d0 [ 95.462637][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 95.467493][ T2633] ? do_raw_spin_lock+0x120/0x2b0 [ 95.472562][ T2633] ? lock_is_held_type+0x98/0x110 [ 95.477687][ T2633] process_one_work+0x98d/0x1580 [ 95.482761][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 [ 95.488411][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 95.493367][ T2633] worker_thread+0x64c/0x1120 [ 95.498092][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 95.503118][ T2633] ? process_one_work+0x1580/0x1580 [ 95.508318][ T2633] kthread+0x38c/0x460 [ 95.512476][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 95.517697][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 95.522810][ T2633] ret_from_fork+0x1f/0x30 [ 95.537894][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 95.547305][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 95.555506][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 95.563626][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.573930][ T4742] Workqueue: usb_hub_wq hub_event [ 95.579262][ T4742] Call Trace: [ 95.582844][ T4742] dump_stack+0xfa/0x151 [ 95.587228][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 95.592986][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 95.598563][ T4742] sysfs_create_link+0x5f/0xc0 [ 95.603349][ T4742] device_add+0x789/0x1db0 [ 95.607777][ T4742] ? memset+0x20/0x40 [ 95.611785][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 95.617276][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 95.623553][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 95.628853][ T4742] tty_register_device_attr+0x395/0x7b0 [ 95.634416][ T4742] ? send_break.part.0+0x300/0x300 [ 95.639725][ T4742] ? mark_held_locks+0x9f/0xe0 [ 95.644537][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 95.651248][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 95.656986][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 95.663180][ T4742] hso_serial_common_create+0x124/0x8b0 [ 95.669006][ T4742] ? kasan_unpoison+0x3a/0x60 [ 95.673713][ T4742] hso_probe+0xef9/0x1f70 [ 95.678156][ T4742] usb_probe_interface+0x315/0x7f0 [ 95.683290][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 95.688680][ T4742] really_probe+0x291/0xe60 [ 95.693233][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 95.699584][ T4742] driver_probe_device+0x26b/0x3d0 [ 95.704948][ T4742] __device_attach_driver+0x1d1/0x290 [ 95.710382][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 95.716401][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 95.721286][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 95.726335][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.732373][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 95.737430][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 95.743276][ T4742] __device_attach+0x228/0x4a0 [ 95.748062][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 95.754158][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 95.759727][ T4742] bus_probe_device+0x1e4/0x290 [ 95.764621][ T4742] device_add+0xbdb/0x1db0 [ 95.769055][ T4742] ? wait_for_completion_io+0x270/0x270 [ 95.774646][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 95.780904][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.786906][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 95.792744][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.799294][ T4742] usb_set_configuration+0x113f/0x1910 [ 95.804804][ T4742] usb_generic_driver_probe+0xba/0x100 [ 95.810298][ T4742] usb_probe_device+0xd9/0x2c0 [ 95.815082][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 95.821170][ T4742] really_probe+0x291/0xe60 [ 95.825689][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 95.831948][ T4742] driver_probe_device+0x26b/0x3d0 [ 95.837080][ T4742] __device_attach_driver+0x1d1/0x290 [ 95.842487][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 95.848493][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 95.853377][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 95.859113][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.865116][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 95.870168][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 95.876001][ T4742] __device_attach+0x228/0x4a0 [ 95.880780][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 95.886964][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 95.892530][ T4742] bus_probe_device+0x1e4/0x290 [ 95.897487][ T4742] device_add+0xbdb/0x1db0 [ 95.901923][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 95.908305][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 95.914582][ T4742] usb_new_device.cold+0x721/0x1058 [ 95.919908][ T4742] ? hub_disconnect+0x510/0x510 [ 95.924790][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 95.929747][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 95.935764][ T4742] hub_event+0x2357/0x4320 [ 95.940224][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 95.945354][ T4742] ? zap_class+0x5b1/0x9a0 [ 95.949791][ T4742] ? process_one_work+0x521/0x1580 [ 95.954935][ T4742] ? lock_release+0x6d0/0x6d0 [ 95.959637][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 95.964681][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 95.970079][ T4742] ? lock_is_held_type+0x98/0x110 [ 95.977904][ T4742] process_one_work+0x98d/0x1580 [ 95.982867][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 executing program executing program [ 95.988363][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 95.993333][ T4742] worker_thread+0x64c/0x1120 [ 95.998138][ T4742] ? __kthread_parkme+0x118/0x1d0 [ 96.003345][ T4742] ? process_one_work+0x1580/0x1580 [ 96.008666][ T4742] kthread+0x38c/0x460 [ 96.012849][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 [ 96.018072][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 96.023205][ T4742] ret_from_fork+0x1f/0x30 [ 96.033155][ T4628] usb 6-1: USB disconnect, device number 6 [ 96.077133][ T5] usb 5-1: Using ep0 maxpacket: 8 [ 96.097185][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 96.148565][ T4742] usb 3-1: USB disconnect, device number 6 [ 96.173460][ T2633] usb 4-1: USB disconnect, device number 6 [ 96.197186][ T5] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 96.206360][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 96.216823][ T5] usb 5-1: config 0 descriptor?? [ 96.247132][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 96.256207][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 96.264874][ T1551] usb 1-1: Using ep0 maxpacket: 8 [ 96.274593][ T32] usb 2-1: config 0 descriptor?? [ 96.397009][ T1551] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 96.406127][ T1551] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 96.406919][ T4628] usb 6-1: new high-speed USB device number 7 using dummy_hcd [ 96.423374][ T1551] usb 1-1: config 0 descriptor?? [ 96.478159][ T5] hso 5-1:0.0: Failed to find BULK IN ep [ 96.516987][ T4742] usb 3-1: new high-speed USB device number 7 using dummy_hcd [ 96.526956][ T2633] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 96.545868][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 96.656990][ T4628] usb 6-1: Using ep0 maxpacket: 8 executing program [ 96.679317][ T32] usb 5-1: USB disconnect, device number 8 [ 96.698859][ T1551] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 96.739913][ T5] usb 2-1: USB disconnect, device number 8 [ 96.757038][ T4742] usb 3-1: Using ep0 maxpacket: 8 [ 96.767853][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 96.778106][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 96.788953][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 96.802786][ T4628] usb 6-1: config 0 descriptor?? [ 96.877147][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 96.886609][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 96.897000][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 96.906163][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 96.909066][ T1551] usb 1-1: USB disconnect, device number 7 [ 96.922239][ T2633] usb 4-1: config 0 descriptor?? executing program [ 96.928972][ T4742] usb 3-1: config 0 descriptor?? [ 97.068087][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 97.077378][ T32] usb 5-1: new high-speed USB device number 9 using dummy_hcd [ 97.156934][ T5] usb 2-1: new high-speed USB device number 9 using dummy_hcd [ 97.187682][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 97.195652][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 97.203745][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.214159][ T2633] Workqueue: usb_hub_wq hub_event [ 97.219197][ T2633] Call Trace: [ 97.222489][ T2633] dump_stack+0xfa/0x151 [ 97.226786][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 97.231826][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 97.237571][ T2633] sysfs_create_link+0x5f/0xc0 [ 97.242329][ T2633] device_add+0x789/0x1db0 [ 97.246780][ T2633] ? memset+0x20/0x40 [ 97.250762][ T2633] ? lockdep_init_map_type+0x2c3/0x780 executing program [ 97.256345][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 97.262632][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 97.268192][ T2633] tty_register_device_attr+0x395/0x7b0 [ 97.272400][ T4401] usb 6-1: USB disconnect, device number 7 [ 97.273906][ T2633] ? send_break.part.0+0x300/0x300 [ 97.287522][ T2633] ? mark_held_locks+0x9f/0xe0 [ 97.292432][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 97.298049][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 97.305423][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 97.311642][ T2633] hso_serial_common_create+0x124/0x8b0 [ 97.317322][ T2633] ? kasan_unpoison+0x3a/0x60 [ 97.322478][ T2633] hso_probe+0xef9/0x1f70 [ 97.326835][ T2633] usb_probe_interface+0x315/0x7f0 [ 97.331968][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 97.337367][ T2633] really_probe+0x291/0xe60 [ 97.342077][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 97.348419][ T2633] driver_probe_device+0x26b/0x3d0 [ 97.353711][ T2633] __device_attach_driver+0x1d1/0x290 [ 97.359166][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 97.365227][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 97.370101][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 97.375350][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 97.381504][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 97.387246][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 97.393053][ T2633] __device_attach+0x228/0x4a0 [ 97.397853][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 97.404192][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 97.409665][ T2633] bus_probe_device+0x1e4/0x290 [ 97.414532][ T2633] device_add+0xbdb/0x1db0 [ 97.419114][ T2633] ? wait_for_completion_io+0x270/0x270 [ 97.424711][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 97.431139][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 97.437216][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 97.443454][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 97.449709][ T2633] usb_set_configuration+0x113f/0x1910 [ 97.455319][ T2633] usb_generic_driver_probe+0xba/0x100 [ 97.461262][ T2633] usb_probe_device+0xd9/0x2c0 [ 97.466218][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 97.473180][ T2633] really_probe+0x291/0xe60 [ 97.478728][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 97.485060][ T2633] driver_probe_device+0x26b/0x3d0 [ 97.490174][ T2633] __device_attach_driver+0x1d1/0x290 [ 97.495727][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 97.501903][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 97.507033][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 97.512173][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 97.518523][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 97.523649][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 97.529718][ T2633] __device_attach+0x228/0x4a0 [ 97.534591][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 97.540992][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 97.547010][ T2633] bus_probe_device+0x1e4/0x290 [ 97.552001][ T2633] device_add+0xbdb/0x1db0 [ 97.556591][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 97.562836][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 97.569267][ T2633] usb_new_device.cold+0x721/0x1058 [ 97.575104][ T2633] ? hub_disconnect+0x510/0x510 [ 97.580135][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 97.585170][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 97.592163][ T2633] hub_event+0x2357/0x4320 [ 97.596860][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 97.601993][ T2633] ? zap_class+0x5b1/0x9a0 [ 97.606415][ T2633] ? process_one_work+0x521/0x1580 [ 97.611697][ T2633] ? lock_release+0x6d0/0x6d0 [ 97.616656][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 97.621967][ T2633] ? do_raw_spin_lock+0x120/0x2b0 [ 97.626990][ T2633] ? lock_is_held_type+0x98/0x110 [ 97.632616][ T2633] process_one_work+0x98d/0x1580 [ 97.637605][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 [ 97.643021][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 97.647963][ T2633] worker_thread+0x82b/0x1120 [ 97.652750][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 97.657772][ T2633] ? process_one_work+0x1580/0x1580 [ 97.662990][ T2633] kthread+0x38c/0x460 [ 97.667180][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 97.672429][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 97.677591][ T2633] ret_from_fork+0x1f/0x30 [ 97.684321][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 97.757150][ T1551] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 97.817603][ T32] usb 5-1: Using ep0 maxpacket: 8 executing program executing program [ 97.887702][ T5] usb 2-1: Using ep0 maxpacket: 8 [ 97.892929][ T4742] usb 4-1: USB disconnect, device number 7 [ 97.899646][ T2633] usb 3-1: USB disconnect, device number 7 [ 97.977154][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 97.986489][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 97.999747][ T32] usb 5-1: config 0 descriptor?? [ 98.007333][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 98.009898][ T4401] usb 6-1: new high-speed USB device number 8 using dummy_hcd [ 98.016463][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.046924][ T1551] usb 1-1: Using ep0 maxpacket: 8 [ 98.056813][ T5] usb 2-1: config 0 descriptor?? [ 98.197037][ T1551] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 98.206281][ T1551] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.219093][ T1551] usb 1-1: config 0 descriptor?? [ 98.248062][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 98.277046][ T2633] usb 3-1: new high-speed USB device number 8 using dummy_hcd [ 98.277410][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 98.288511][ T4742] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 98.302400][ T5] hso 2-1:0.0: Failed to find BULK IN ep executing program executing program [ 98.449687][ T32] usb 5-1: USB disconnect, device number 9 [ 98.457139][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 98.466205][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.486132][ T4401] usb 6-1: config 0 descriptor?? [ 98.492317][ T1551] hso 1-1:0.0: Failed to find BULK IN ep [ 98.523224][ T1551] usb 2-1: USB disconnect, device number 9 [ 98.557115][ T2633] usb 3-1: Using ep0 maxpacket: 8 [ 98.562332][ T4742] usb 4-1: Using ep0 maxpacket: 8 executing program [ 98.687101][ T2633] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 98.693645][ T17] usb 1-1: USB disconnect, device number 8 [ 98.696265][ T2633] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.710954][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 98.720510][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.747751][ T4742] usb 4-1: config 0 descriptor?? [ 98.762785][ T2633] usb 3-1: config 0 descriptor?? [ 98.778444][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 98.897007][ T32] usb 5-1: new high-speed USB device number 10 using dummy_hcd [ 98.927603][ T1551] usb 2-1: new high-speed USB device number 10 using dummy_hcd executing program [ 98.979231][ T4401] usb 6-1: USB disconnect, device number 8 [ 99.018138][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 99.038269][ T2633] hso 3-1:0.0: Failed to find BULK IN ep [ 99.147484][ T17] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 99.187062][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 99.192221][ T32] usb 5-1: Using ep0 maxpacket: 8 executing program executing program [ 99.219177][ T2633] usb 4-1: USB disconnect, device number 8 [ 99.242690][ T4407] usb 3-1: USB disconnect, device number 8 [ 99.327236][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 99.336470][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.345416][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 99.354679][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.363165][ T4401] usb 6-1: new high-speed USB device number 9 using dummy_hcd [ 99.380097][ T1551] usb 2-1: config 0 descriptor?? [ 99.386525][ T32] usb 5-1: config 0 descriptor?? [ 99.417029][ T17] usb 1-1: Using ep0 maxpacket: 8 [ 99.557452][ T17] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 99.567202][ T17] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.580278][ T17] usb 1-1: config 0 descriptor?? [ 99.627074][ T2633] usb 4-1: new high-speed USB device number 9 using dummy_hcd [ 99.627142][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 99.641537][ T4407] usb 3-1: new high-speed USB device number 9 using dummy_hcd [ 99.650478][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 99.658421][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 99.666807][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.677099][ T32] Workqueue: usb_hub_wq hub_event [ 99.682691][ T32] Call Trace: [ 99.685983][ T32] dump_stack+0xfa/0x151 [ 99.690865][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 99.695874][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 99.701504][ T32] sysfs_create_link+0x5f/0xc0 [ 99.706379][ T32] device_add+0x789/0x1db0 [ 99.710938][ T32] ? memset+0x20/0x40 [ 99.714966][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 99.720609][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 99.726861][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 99.732180][ T32] tty_register_device_attr+0x395/0x7b0 [ 99.737757][ T32] ? send_break.part.0+0x300/0x300 [ 99.742973][ T32] ? mark_held_locks+0x9f/0xe0 [ 99.748680][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 99.754457][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 99.760324][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 99.766958][ T32] hso_serial_common_create+0x124/0x8b0 [ 99.772645][ T32] ? kasan_unpoison+0x3a/0x60 [ 99.777423][ T32] hso_probe+0xef9/0x1f70 [ 99.781943][ T32] usb_probe_interface+0x315/0x7f0 [ 99.787267][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 99.792821][ T32] really_probe+0x291/0xe60 [ 99.797748][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 99.804283][ T32] driver_probe_device+0x26b/0x3d0 [ 99.809409][ T32] __device_attach_driver+0x1d1/0x290 [ 99.817141][ T32] ? driver_allows_async_probing+0x150/0x150 [ 99.823239][ T32] bus_for_each_drv+0x15f/0x1e0 [ 99.828104][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 99.833236][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 99.839252][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 99.844401][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 99.850241][ T32] __device_attach+0x228/0x4a0 [ 99.855059][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 99.861158][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 99.866477][ T32] bus_probe_device+0x1e4/0x290 [ 99.867050][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 99.871373][ T32] device_add+0xbdb/0x1db0 [ 99.871400][ T32] ? wait_for_completion_io+0x270/0x270 [ 99.871426][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 99.871450][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 99.898763][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 99.904594][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 99.910859][ T32] usb_set_configuration+0x113f/0x1910 [ 99.916373][ T32] usb_generic_driver_probe+0xba/0x100 [ 99.921899][ T32] usb_probe_device+0xd9/0x2c0 executing program executing program [ 99.926693][ T32] ? usb_driver_release_interface+0x180/0x180 [ 99.932786][ T32] really_probe+0x291/0xe60 [ 99.937318][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 99.943673][ T32] driver_probe_device+0x26b/0x3d0 [ 99.948824][ T32] __device_attach_driver+0x1d1/0x290 [ 99.954226][ T32] ? driver_allows_async_probing+0x150/0x150 [ 99.960235][ T32] bus_for_each_drv+0x15f/0x1e0 [ 99.965111][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 99.970244][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 99.976254][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 99.981322][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 99.987143][ T32] __device_attach+0x228/0x4a0 [ 99.987251][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 99.991946][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 99.991978][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 99.992004][ T32] bus_probe_device+0x1e4/0x290 [ 99.992027][ T32] device_add+0xbdb/0x1db0 [ 100.001243][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.007220][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 100.007254][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 100.007278][ T32] usb_new_device.cold+0x721/0x1058 [ 100.007306][ T32] ? hub_disconnect+0x510/0x510 [ 100.028866][ T2633] usb 4-1: config 0 descriptor?? [ 100.030052][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 100.030088][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 100.030114][ T32] hub_event+0x2357/0x4320 [ 100.030144][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 100.081984][ T32] ? zap_class+0x5b0/0x9a0 [ 100.086452][ T32] ? process_one_work+0x521/0x1580 [ 100.091683][ T32] ? lock_release+0x6d0/0x6d0 [ 100.096388][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 100.101357][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 100.106409][ T32] ? lock_is_held_type+0x98/0x110 [ 100.111464][ T32] process_one_work+0x98d/0x1580 [ 100.116615][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 100.122038][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 100.127064][ T32] worker_thread+0x64c/0x1120 [ 100.131763][ T32] ? __kthread_parkme+0x118/0x1d0 [ 100.136780][ T32] ? process_one_work+0x1580/0x1580 [ 100.142965][ T32] kthread+0x38c/0x460 [ 100.147038][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 100.152940][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 100.158091][ T32] ret_from_fork+0x1f/0x30 [ 100.163083][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 100.172180][ T1551] usb 2-1: USB disconnect, device number 10 [ 100.179616][ T17] hso 1-1:0.0: Failed to find BULK IN ep [ 100.191878][ T32] usb 5-1: USB disconnect, device number 10 [ 100.297506][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 100.309103][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.311774][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 100.327983][ T4401] usb 6-1: config 0 descriptor?? executing program [ 100.383563][ T2633] usb 1-1: USB disconnect, device number 9 [ 100.447173][ T4407] usb 3-1: Using ep0 maxpacket: 8 executing program [ 100.509522][ T4742] usb 4-1: USB disconnect, device number 9 [ 100.577707][ T1551] usb 2-1: new high-speed USB device number 11 using dummy_hcd [ 100.585593][ T32] usb 5-1: new high-speed USB device number 11 using dummy_hcd [ 100.594083][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 100.600090][ T4407] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 100.609380][ T4407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.623945][ T4407] usb 3-1: config 0 descriptor?? executing program [ 100.756975][ T2633] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 100.788622][ T5] usb 6-1: USB disconnect, device number 9 [ 100.866946][ T4742] usb 4-1: new high-speed USB device number 10 using dummy_hcd [ 100.878249][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 100.883359][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 100.888865][ T4407] hso 3-1:0.0: Failed to find BULK IN ep [ 100.997070][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 101.027807][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 101.037057][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 101.045491][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 101.055012][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 101.064625][ T1551] usb 2-1: config 0 descriptor?? [ 101.071158][ T32] usb 5-1: config 0 descriptor?? executing program [ 101.081407][ T4628] usb 3-1: USB disconnect, device number 9 [ 101.107290][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 101.127354][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 101.136534][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 101.154971][ T2633] usb 1-1: config 0 descriptor?? [ 101.207392][ T5] usb 6-1: new high-speed USB device number 10 using dummy_hcd [ 101.227314][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 101.237555][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 101.253700][ T4742] usb 4-1: config 0 descriptor?? [ 101.327881][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 101.336023][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 101.344081][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.354440][ T32] Workqueue: usb_hub_wq hub_event [ 101.359610][ T32] Call Trace: [ 101.362881][ T32] dump_stack+0xfa/0x151 [ 101.367121][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 101.372468][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 101.377928][ T32] sysfs_create_link+0x5f/0xc0 [ 101.383148][ T32] device_add+0x789/0x1db0 [ 101.387993][ T32] ? memset+0x20/0x40 [ 101.391972][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 101.397520][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 101.403799][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 101.407330][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 101.409075][ T32] tty_register_device_attr+0x395/0x7b0 [ 101.409110][ T32] ? send_break.part.0+0x300/0x300 [ 101.409137][ T32] ? mark_held_locks+0x9f/0xe0 [ 101.409161][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 101.438781][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 101.444646][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 101.450929][ T32] hso_serial_common_create+0x124/0x8b0 [ 101.456616][ T32] ? kasan_unpoison+0x3a/0x60 [ 101.461400][ T32] hso_probe+0xef9/0x1f70 [ 101.465833][ T32] usb_probe_interface+0x315/0x7f0 [ 101.471225][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 101.476635][ T32] really_probe+0x291/0xe60 [ 101.481159][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 101.487412][ T32] driver_probe_device+0x26b/0x3d0 [ 101.492552][ T32] __device_attach_driver+0x1d1/0x290 [ 101.498039][ T32] ? driver_allows_async_probing+0x150/0x150 [ 101.504058][ T32] bus_for_each_drv+0x15f/0x1e0 [ 101.508926][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 101.514026][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 101.520214][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 101.525515][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 101.531882][ T32] __device_attach+0x228/0x4a0 [ 101.536672][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 101.543605][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 101.548920][ T32] bus_probe_device+0x1e4/0x290 [ 101.555537][ T32] device_add+0xbdb/0x1db0 [ 101.560164][ T32] ? wait_for_completion_io+0x270/0x270 [ 101.565728][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 101.571998][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 101.577995][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 101.583917][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 101.590373][ T32] usb_set_configuration+0x113f/0x1910 [ 101.595864][ T32] usb_generic_driver_probe+0xba/0x100 [ 101.601528][ T32] usb_probe_device+0xd9/0x2c0 [ 101.606661][ T32] ? usb_driver_release_interface+0x180/0x180 [ 101.612832][ T32] really_probe+0x291/0xe60 [ 101.617788][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 101.624129][ T32] driver_probe_device+0x26b/0x3d0 [ 101.629256][ T32] __device_attach_driver+0x1d1/0x290 [ 101.634662][ T32] ? driver_allows_async_probing+0x150/0x150 [ 101.640667][ T32] bus_for_each_drv+0x15f/0x1e0 [ 101.645616][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 101.650657][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 101.656666][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 101.661702][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 101.667630][ T32] __device_attach+0x228/0x4a0 [ 101.673727][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 101.679828][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 101.685134][ T32] bus_probe_device+0x1e4/0x290 [ 101.690015][ T32] device_add+0xbdb/0x1db0 [ 101.694560][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 101.700934][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 101.707357][ T32] usb_new_device.cold+0x721/0x1058 [ 101.712725][ T32] ? hub_disconnect+0x510/0x510 [ 101.717688][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 101.722649][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 101.728661][ T32] hub_event+0x2357/0x4320 [ 101.733291][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 101.738700][ T32] ? zap_class+0x5b1/0x9a0 [ 101.743243][ T32] ? process_one_work+0x521/0x1580 [ 101.748493][ T32] ? lock_release+0x6d0/0x6d0 [ 101.753196][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 101.758087][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 101.763215][ T32] ? lock_is_held_type+0x98/0x110 [ 101.768259][ T32] process_one_work+0x98d/0x1580 [ 101.773353][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 101.779010][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 101.783967][ T32] worker_thread+0x82b/0x1120 [ 101.788875][ T32] ? __kthread_parkme+0x118/0x1d0 [ 101.793917][ T32] ? process_one_work+0x1580/0x1580 [ 101.799133][ T32] kthread+0x38c/0x460 [ 101.803233][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 101.808714][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 101.813926][ T32] ret_from_fork+0x1f/0x30 [ 101.818366][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 101.826542][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.831336][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 101.836793][ T2633] Workqueue: usb_hub_wq hub_event [ 101.847540][ T2633] Call Trace: [ 101.851349][ T2633] dump_stack+0xfa/0x151 [ 101.855603][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 101.860593][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 101.866084][ T2633] sysfs_create_link+0x5f/0xc0 [ 101.870871][ T2633] device_add+0x789/0x1db0 [ 101.875420][ T2633] ? memset+0x20/0x40 [ 101.879411][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 101.884896][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 101.891167][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 101.896460][ T2633] tty_register_device_attr+0x395/0x7b0 [ 101.902020][ T2633] ? send_break.part.0+0x300/0x300 [ 101.907149][ T2633] ? mark_held_locks+0x9f/0xe0 [ 101.911928][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 101.917394][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 101.923126][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 101.929315][ T2633] hso_serial_common_create+0x124/0x8b0 [ 101.934984][ T2633] ? kasan_unpoison+0x3a/0x60 [ 101.939846][ T2633] hso_probe+0xef9/0x1f70 [ 101.944192][ T2633] usb_probe_interface+0x315/0x7f0 [ 101.949394][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 101.954847][ T2633] really_probe+0x291/0xe60 [ 101.959366][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 101.965800][ T2633] driver_probe_device+0x26b/0x3d0 [ 101.971024][ T2633] __device_attach_driver+0x1d1/0x290 [ 101.976691][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 101.983134][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 101.988009][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 101.993054][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 101.999187][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 102.004246][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 102.010104][ T2633] __device_attach+0x228/0x4a0 [ 102.017600][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 102.025433][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 102.030749][ T2633] bus_probe_device+0x1e4/0x290 [ 102.035622][ T2633] device_add+0xbdb/0x1db0 [ 102.040049][ T2633] ? wait_for_completion_io+0x270/0x270 [ 102.045623][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 102.052055][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 102.058055][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 102.063874][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 102.070124][ T2633] usb_set_configuration+0x113f/0x1910 [ 102.075616][ T2633] usb_generic_driver_probe+0xba/0x100 [ 102.081090][ T2633] usb_probe_device+0xd9/0x2c0 [ 102.085870][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 102.092384][ T2633] really_probe+0x291/0xe60 [ 102.096899][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 102.103170][ T2633] driver_probe_device+0x26b/0x3d0 [ 102.108303][ T2633] __device_attach_driver+0x1d1/0x290 [ 102.113874][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 102.119868][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 102.124732][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 102.129775][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 102.135803][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 102.140844][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 102.146697][ T2633] __device_attach+0x228/0x4a0 [ 102.151477][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 102.157578][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 102.162873][ T2633] bus_probe_device+0x1e4/0x290 [ 102.167821][ T2633] device_add+0xbdb/0x1db0 [ 102.172246][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 102.178495][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 102.184922][ T2633] usb_new_device.cold+0x721/0x1058 [ 102.190316][ T2633] ? hub_disconnect+0x510/0x510 [ 102.195185][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 102.200136][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 102.206215][ T2633] hub_event+0x2357/0x4320 [ 102.210655][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 102.215781][ T2633] ? zap_class+0x5b0/0x9a0 [ 102.220204][ T2633] ? process_one_work+0x521/0x1580 [ 102.225331][ T2633] ? lock_release+0x6d0/0x6d0 [ 102.230017][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 102.234876][ T2633] ? do_raw_spin_lock+0x120/0x2b0 [ 102.239932][ T2633] ? lock_is_held_type+0x98/0x110 [ 102.244996][ T2633] process_one_work+0x98d/0x1580 [ 102.249968][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 [ 102.255362][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 102.260320][ T2633] worker_thread+0x64c/0x1120 [ 102.265020][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 102.270150][ T2633] ? process_one_work+0x1580/0x1580 [ 102.275373][ T2633] kthread+0x38c/0x460 [ 102.279458][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 102.284680][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 102.289816][ T2633] ret_from_fork+0x1f/0x30 [ 102.295773][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 102.303318][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 102.311707][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.321788][ T4742] Workqueue: usb_hub_wq hub_event [ 102.326848][ T4742] Call Trace: [ 102.330142][ T4742] dump_stack+0xfa/0x151 [ 102.334403][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 102.339441][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 102.344932][ T4742] sysfs_create_link+0x5f/0xc0 [ 102.349723][ T4742] device_add+0x789/0x1db0 [ 102.354157][ T4742] ? memset+0x20/0x40 [ 102.358160][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 102.363640][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 102.369900][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 102.375227][ T4742] tty_register_device_attr+0x395/0x7b0 [ 102.380802][ T4742] ? send_break.part.0+0x300/0x300 [ 102.385941][ T4742] ? mark_held_locks+0x9f/0xe0 [ 102.390726][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 102.394480][ T32] usb 5-1: USB disconnect, device number 11 [ 102.396209][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 102.396239][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 102.396266][ T4742] hso_serial_common_create+0x124/0x8b0 [ 102.419568][ T4742] ? kasan_unpoison+0x3a/0x60 [ 102.424279][ T4742] hso_probe+0xef9/0x1f70 [ 102.428634][ T4742] usb_probe_interface+0x315/0x7f0 [ 102.430637][ T1551] usb 2-1: USB disconnect, device number 11 [ 102.433792][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 102.433824][ T4742] really_probe+0x291/0xe60 [ 102.433849][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 102.456185][ T4742] driver_probe_device+0x26b/0x3d0 [ 102.461329][ T4742] __device_attach_driver+0x1d1/0x290 [ 102.466857][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 102.473845][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 102.478716][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 102.483936][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 102.490024][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 102.495330][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 102.501167][ T4742] __device_attach+0x228/0x4a0 [ 102.506065][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 102.512252][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 102.518086][ T4742] bus_probe_device+0x1e4/0x290 [ 102.523080][ T4742] device_add+0xbdb/0x1db0 [ 102.527520][ T4742] ? wait_for_completion_io+0x270/0x270 [ 102.533095][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 102.539461][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 102.545620][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 102.551464][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 102.558343][ T4742] usb_set_configuration+0x113f/0x1910 [ 102.563849][ T4742] usb_generic_driver_probe+0xba/0x100 [ 102.569335][ T4742] usb_probe_device+0xd9/0x2c0 [ 102.574333][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 102.580731][ T4742] really_probe+0x291/0xe60 [ 102.585280][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 102.591847][ T4742] driver_probe_device+0x26b/0x3d0 [ 102.597037][ T4742] __device_attach_driver+0x1d1/0x290 [ 102.602618][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 102.608641][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 102.613545][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 102.618864][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 102.624980][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 102.630509][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 102.636425][ T4742] __device_attach+0x228/0x4a0 [ 102.641183][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 102.647253][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 102.652532][ T4742] bus_probe_device+0x1e4/0x290 [ 102.657812][ T4742] device_add+0xbdb/0x1db0 [ 102.664953][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 102.671572][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 102.677829][ T4742] usb_new_device.cold+0x721/0x1058 [ 102.683941][ T4742] ? hub_disconnect+0x510/0x510 [ 102.688890][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 102.693860][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 102.699854][ T4742] hub_event+0x2357/0x4320 [ 102.704498][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 102.709723][ T4742] ? zap_class+0x5b0/0x9a0 [ 102.714137][ T4742] ? process_one_work+0x521/0x1580 [ 102.719541][ T4742] ? lock_release+0x6d0/0x6d0 [ 102.724686][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 102.729690][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 102.734886][ T4742] ? lock_is_held_type+0x98/0x110 [ 102.739917][ T4742] process_one_work+0x98d/0x1580 [ 102.744873][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 [ 102.750327][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 102.755267][ T4742] worker_thread+0x64c/0x1120 [ 102.759942][ T4742] ? __kthread_parkme+0x118/0x1d0 [ 102.764977][ T4742] ? process_one_work+0x1580/0x1580 [ 102.770428][ T4742] kthread+0x38c/0x460 [ 102.774519][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 executing program executing program executing program [ 102.779729][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 102.785381][ T4742] ret_from_fork+0x1f/0x30 [ 102.790518][ T4628] usb 3-1: new high-speed USB device number 10 using dummy_hcd [ 102.801824][ T4742] usb 4-1: USB disconnect, device number 10 executing program [ 102.826949][ T5] usb 6-1: Using ep0 maxpacket: 8 [ 102.833834][ T2633] usb 1-1: USB disconnect, device number 10 [ 102.947080][ T5] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 102.956464][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 102.974632][ T5] usb 6-1: config 0 descriptor?? [ 103.037093][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 103.117047][ T32] usb 5-1: new high-speed USB device number 12 using dummy_hcd [ 103.135371][ T1551] usb 2-1: new high-speed USB device number 12 using dummy_hcd [ 103.157214][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 103.166336][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 103.174686][ T4742] usb 4-1: new high-speed USB device number 11 using dummy_hcd [ 103.186805][ T4628] usb 3-1: config 0 descriptor?? [ 103.192220][ T2633] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 103.239053][ T5] hso 6-1:0.0: Failed to find BULK IN ep [ 103.397040][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 103.402202][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 103.417036][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 103.437106][ T2633] usb 1-1: Using ep0 maxpacket: 8 executing program [ 103.439320][ T4407] usb 6-1: USB disconnect, device number 10 [ 103.458645][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 103.527371][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 103.536484][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 103.537380][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 103.545506][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 103.554466][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 103.563545][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 103.574818][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 103.584041][ T1551] usb 2-1: config 0 descriptor?? [ 103.589686][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 103.604803][ T2633] usb 1-1: config 0 descriptor?? [ 103.621819][ T4742] usb 4-1: config 0 descriptor?? [ 103.622677][ T32] usb 5-1: config 0 descriptor?? executing program [ 103.660270][ T4628] usb 3-1: USB disconnect, device number 10 [ 103.827026][ T4407] usb 6-1: new high-speed USB device number 11 using dummy_hcd [ 103.868090][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 103.888184][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 103.898644][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 103.929080][ T32] hso 5-1:0.0: Failed to find BULK IN ep executing program executing program executing program [ 104.069467][ T4742] usb 1-1: USB disconnect, device number 11 [ 104.077015][ T4628] usb 3-1: new high-speed USB device number 11 using dummy_hcd [ 104.083871][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 104.089017][ T2633] usb 4-1: USB disconnect, device number 11 [ 104.100204][ T32] usb 2-1: USB disconnect, device number 12 executing program [ 104.129339][ T5] usb 5-1: USB disconnect, device number 12 [ 104.247286][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 104.256478][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 104.269762][ T4407] usb 6-1: config 0 descriptor?? [ 104.317040][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 104.437027][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 104.446619][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 104.457063][ T2633] usb 4-1: new high-speed USB device number 12 using dummy_hcd [ 104.465788][ T4628] usb 3-1: config 0 descriptor?? [ 104.477105][ T4742] usb 1-1: new high-speed USB device number 12 using dummy_hcd [ 104.486971][ T32] usb 2-1: new high-speed USB device number 13 using dummy_hcd [ 104.538228][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 104.550295][ T5] usb 5-1: new high-speed USB device number 13 using dummy_hcd [ 104.696979][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 104.717110][ T4742] usb 1-1: Using ep0 maxpacket: 8 [ 104.728315][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 104.737226][ T32] usb 2-1: Using ep0 maxpacket: 8 executing program [ 104.739133][ T4399] usb 6-1: USB disconnect, device number 11 [ 104.797265][ T5] usb 5-1: Using ep0 maxpacket: 8 [ 104.827261][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 104.836365][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 104.845818][ T4742] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 104.855008][ T4742] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 104.865809][ T2633] usb 4-1: config 0 descriptor?? [ 104.867143][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 104.879954][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 104.882763][ T4742] usb 1-1: config 0 descriptor?? [ 104.915466][ T32] usb 2-1: config 0 descriptor?? executing program [ 104.931951][ T4628] usb 3-1: USB disconnect, device number 11 [ 104.938755][ T5] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 104.948082][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 105.001365][ T5] usb 5-1: config 0 descriptor?? [ 105.117043][ T4399] usb 6-1: new high-speed USB device number 12 using dummy_hcd [ 105.128750][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 105.158025][ T4742] hso 1-1:0.0: Failed to find BULK IN ep [ 105.198151][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 105.258245][ T5] hso 5-1:0.0: Failed to find BULK IN ep executing program executing program [ 105.327008][ T4628] usb 3-1: new high-speed USB device number 12 using dummy_hcd [ 105.329341][ T32] usb 4-1: USB disconnect, device number 12 [ 105.357088][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 105.358935][ T4407] usb 1-1: USB disconnect, device number 12 executing program [ 105.399090][ T1551] usb 2-1: USB disconnect, device number 13 executing program [ 105.459517][ T4401] usb 5-1: USB disconnect, device number 13 [ 105.477146][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 105.487260][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 105.502956][ T4399] usb 6-1: config 0 descriptor?? [ 105.576989][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 105.697293][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 105.706567][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 105.717381][ T4628] usb 3-1: config 0 descriptor?? [ 105.737025][ T32] usb 4-1: new high-speed USB device number 13 using dummy_hcd [ 105.767187][ T4407] usb 1-1: new high-speed USB device number 13 using dummy_hcd [ 105.773194][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 105.857004][ T1551] usb 2-1: new high-speed USB device number 14 using dummy_hcd [ 105.897224][ T4401] usb 5-1: new high-speed USB device number 14 using dummy_hcd executing program [ 105.969368][ T4399] usb 6-1: USB disconnect, device number 12 [ 105.981810][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 105.997231][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 106.027206][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 106.107161][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 106.127302][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 106.137364][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.150776][ T32] usb 4-1: config 0 descriptor?? executing program [ 106.157168][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 106.166449][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.174765][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 106.184422][ T4628] usb 3-1: USB disconnect, device number 12 [ 106.192345][ T4407] usb 1-1: config 0 descriptor?? [ 106.258146][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 106.267838][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.285299][ T1551] usb 2-1: config 0 descriptor?? [ 106.307712][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 106.317125][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.326715][ T4401] usb 5-1: config 0 descriptor?? [ 106.387028][ T4399] usb 6-1: new high-speed USB device number 13 using dummy_hcd [ 106.437906][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 106.478030][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 106.538218][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 106.547417][ T4628] usb 3-1: new high-speed USB device number 13 using dummy_hcd executing program [ 106.607721][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 106.627217][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 106.639928][ T5] usb 4-1: USB disconnect, device number 13 executing program [ 106.679843][ T4742] usb 1-1: USB disconnect, device number 13 executing program [ 106.738881][ T2633] usb 2-1: USB disconnect, device number 14 [ 106.747845][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 106.757256][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.774083][ T4399] usb 6-1: config 0 descriptor?? executing program [ 106.790099][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 106.809613][ T4755] usb 5-1: USB disconnect, device number 14 [ 106.907176][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 106.916309][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.928218][ T4628] usb 3-1: config 0 descriptor?? [ 107.017334][ T5] usb 4-1: new high-speed USB device number 14 using dummy_hcd [ 107.038288][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 107.067305][ T4742] usb 1-1: new high-speed USB device number 14 using dummy_hcd [ 107.167013][ T2633] usb 2-1: new high-speed USB device number 15 using dummy_hcd [ 107.188205][ T4628] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 107.227099][ T4755] usb 5-1: new high-speed USB device number 15 using dummy_hcd [ 107.243335][ T4628] usb 6-1: USB disconnect, device number 13 [ 107.260726][ T5] usb 4-1: Using ep0 maxpacket: 8 [ 107.307273][ T4742] usb 1-1: Using ep0 maxpacket: 8 executing program [ 107.377090][ T5] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 107.389379][ T4401] usb 3-1: USB disconnect, device number 13 [ 107.392577][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 107.406948][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 107.417466][ T5] usb 4-1: config 0 descriptor?? [ 107.447545][ T4742] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 107.457649][ T4742] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 107.470301][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 107.488274][ T4742] usb 1-1: config 0 descriptor?? [ 107.527277][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 107.536654][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 107.553983][ T2633] usb 2-1: config 0 descriptor?? [ 107.597150][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 107.606283][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 107.618506][ T4755] usb 5-1: config 0 descriptor?? [ 107.627107][ T4628] usb 6-1: new high-speed USB device number 14 using dummy_hcd [ 107.668441][ T5] hso 4-1:0.0: Failed to find BULK IN ep [ 107.737926][ T4742] hso 1-1:0.0: Failed to find BULK IN ep [ 107.827040][ T4401] usb 3-1: new high-speed USB device number 14 using dummy_hcd [ 107.829496][ T2633] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 107.873561][ T1551] usb 4-1: USB disconnect, device number 14 [ 107.877906][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 107.885411][ T4755] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 107.945614][ T4755] usb 1-1: USB disconnect, device number 14 executing program [ 107.997194][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 108.006509][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 108.019105][ T4628] usb 6-1: config 0 descriptor?? [ 108.030648][ T4407] usb 2-1: USB disconnect, device number 15 executing program [ 108.083193][ T32] usb 5-1: USB disconnect, device number 15 [ 108.089604][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 108.227190][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 108.236310][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 108.249588][ T4401] usb 3-1: config 0 descriptor?? [ 108.277864][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 108.307027][ T4755] usb 1-1: new high-speed USB device number 15 using dummy_hcd [ 108.307161][ T1551] usb 4-1: new high-speed USB device number 15 using dummy_hcd executing program [ 108.478883][ T17] usb 6-1: USB disconnect, device number 14 [ 108.490557][ T4407] usb 2-1: new high-speed USB device number 16 using dummy_hcd [ 108.498353][ T32] usb 5-1: new high-speed USB device number 16 using dummy_hcd [ 108.519295][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 108.547091][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 108.566969][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 108.667077][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 108.676233][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 108.690242][ T4755] usb 1-1: config 0 descriptor?? [ 108.707235][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 108.717531][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 108.731301][ T4628] usb 3-1: USB disconnect, device number 14 [ 108.732035][ T1551] usb 4-1: config 0 descriptor?? [ 108.742803][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 108.767227][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 108.887013][ T17] usb 6-1: new high-speed USB device number 15 using dummy_hcd [ 108.907258][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 108.916975][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 108.935335][ T32] usb 5-1: config 0 descriptor?? [ 108.941020][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 108.950285][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 108.964769][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 108.971897][ T4407] usb 2-1: config 0 descriptor?? [ 109.039455][ T1551] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 109.117039][ T4628] usb 3-1: new high-speed USB device number 15 using dummy_hcd [ 109.148925][ T4755] usb 1-1: USB disconnect, device number 15 [ 109.166998][ T17] usb 6-1: Using ep0 maxpacket: 8 executing program [ 109.228590][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 109.243991][ T32] usb 4-1: USB disconnect, device number 15 [ 109.251332][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 109.287362][ T17] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 109.298166][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 109.337930][ T17] usb 6-1: config 0 descriptor?? [ 109.357173][ T4628] usb 3-1: Using ep0 maxpacket: 8 executing program executing program [ 109.428964][ T2633] usb 5-1: USB disconnect, device number 16 [ 109.453484][ T4407] usb 2-1: USB disconnect, device number 16 [ 109.477218][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 109.486618][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 109.511906][ T4628] usb 3-1: config 0 descriptor?? [ 109.557079][ T4755] usb 1-1: new high-speed USB device number 16 using dummy_hcd [ 109.588194][ T17] hso 6-1:0.0: Failed to find BULK IN ep [ 109.667154][ T32] usb 4-1: new high-speed USB device number 16 using dummy_hcd executing program [ 109.789499][ T4742] usb 6-1: USB disconnect, device number 15 [ 109.796654][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 109.802721][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 109.827413][ T4407] usb 2-1: new high-speed USB device number 17 using dummy_hcd [ 109.837364][ T2633] usb 5-1: new high-speed USB device number 17 using dummy_hcd [ 109.927068][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 109.936651][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 109.947630][ T4755] usb 1-1: config 0 descriptor?? [ 109.949773][ T32] usb 4-1: Using ep0 maxpacket: 8 executing program [ 109.991444][ T4628] usb 3-1: USB disconnect, device number 15 [ 110.087137][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 110.097255][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 110.106670][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.114980][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 110.124156][ T32] usb 4-1: config 0 descriptor?? [ 110.167285][ T4742] usb 6-1: new high-speed USB device number 16 using dummy_hcd [ 110.207620][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 110.216940][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.225315][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 110.237254][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 110.246676][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.257051][ T2633] usb 5-1: config 0 descriptor?? [ 110.262672][ T4407] usb 2-1: config 0 descriptor?? [ 110.377872][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 110.397147][ T4628] usb 3-1: new high-speed USB device number 16 using dummy_hcd executing program [ 110.430093][ T4755] usb 1-1: USB disconnect, device number 16 [ 110.437212][ T4742] usb 6-1: Using ep0 maxpacket: 8 [ 110.517754][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 110.518907][ T2633] hso 5-1:0.0: Failed to find BULK IN ep [ 110.525252][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 110.525280][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.525296][ T4407] Workqueue: usb_hub_wq hub_event [ 110.525330][ T4407] Call Trace: [ 110.525338][ T4407] dump_stack+0xfa/0x151 [ 110.557233][ T4742] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 110.557901][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 110.557936][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 110.562234][ T4742] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.571560][ T4407] sysfs_create_link+0x5f/0xc0 [ 110.571602][ T4407] device_add+0x789/0x1db0 [ 110.571622][ T4407] ? memset+0x20/0x40 [ 110.571645][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 110.571670][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 110.571691][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 110.604444][ T4742] usb 6-1: config 0 descriptor?? [ 110.609581][ T4407] tty_register_device_attr+0x395/0x7b0 [ 110.609622][ T4407] ? send_break.part.0+0x300/0x300 [ 110.609648][ T4407] ? mark_held_locks+0x9f/0xe0 [ 110.609672][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 110.609695][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 110.609718][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 110.609740][ T4407] hso_serial_common_create+0x124/0x8b0 [ 110.609763][ T4407] ? kasan_unpoison+0x3a/0x60 [ 110.609786][ T4407] hso_probe+0xef9/0x1f70 [ 110.631991][ T2633] usb 4-1: USB disconnect, device number 16 [ 110.632078][ T4407] usb_probe_interface+0x315/0x7f0 [ 110.637520][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 110.641962][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 110.641996][ T4407] really_probe+0x291/0xe60 [ 110.642021][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 110.707430][ T4407] driver_probe_device+0x26b/0x3d0 [ 110.712797][ T4407] __device_attach_driver+0x1d1/0x290 [ 110.718721][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 110.724742][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 110.729632][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 110.734690][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 110.738319][ T5] usb 5-1: USB disconnect, device number 17 [ 110.745463][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 110.745494][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 110.745522][ T4407] __device_attach+0x228/0x4a0 executing program [ 110.745547][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 110.773205][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 110.778527][ T4407] bus_probe_device+0x1e4/0x290 [ 110.783577][ T4407] device_add+0xbdb/0x1db0 [ 110.788109][ T4407] ? wait_for_completion_io+0x270/0x270 [ 110.794040][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 110.800422][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 110.806431][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 110.812356][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 110.818770][ T4407] usb_set_configuration+0x113f/0x1910 [ 110.824266][ T4407] usb_generic_driver_probe+0xba/0x100 [ 110.829862][ T4407] usb_probe_device+0xd9/0x2c0 [ 110.834704][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 110.840979][ T4407] really_probe+0x291/0xe60 [ 110.845512][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 110.847109][ T4755] usb 1-1: new high-speed USB device number 17 using dummy_hcd [ 110.852486][ T4407] driver_probe_device+0x26b/0x3d0 [ 110.852523][ T4407] __device_attach_driver+0x1d1/0x290 [ 110.852548][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 110.852574][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 110.852594][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 110.886786][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 110.888263][ T4742] hso 6-1:0.0: Failed to find BULK IN ep [ 110.892810][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 110.892838][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 110.892866][ T4407] __device_attach+0x228/0x4a0 [ 110.892892][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 110.917654][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 110.921139][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 110.930263][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.935514][ T4407] bus_probe_device+0x1e4/0x290 [ 110.948537][ T4407] device_add+0xbdb/0x1db0 [ 110.953134][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 110.959416][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 110.965856][ T4407] usb_new_device.cold+0x721/0x1058 [ 110.971145][ T4407] ? hub_disconnect+0x510/0x510 [ 110.976817][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 110.981964][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 110.987987][ T4407] hub_event+0x2357/0x4320 [ 110.988156][ T4628] usb 3-1: config 0 descriptor?? [ 110.992450][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 110.992491][ T4407] ? zap_class+0x5b0/0x9a0 [ 110.992514][ T4407] ? process_one_work+0x521/0x1580 [ 110.992541][ T4407] ? lock_release+0x6d0/0x6d0 [ 111.016956][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 111.021849][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 111.026917][ T4407] ? lock_is_held_type+0x98/0x110 [ 111.031976][ T4407] process_one_work+0x98d/0x1580 [ 111.036959][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 111.042462][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 111.047475][ T4407] worker_thread+0x64c/0x1120 [ 111.052359][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 111.057070][ T2633] usb 4-1: new high-speed USB device number 17 using dummy_hcd [ 111.057407][ T4407] ? process_one_work+0x1580/0x1580 executing program executing program executing program [ 111.070411][ T4407] kthread+0x38c/0x460 [ 111.074513][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 111.080545][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 111.085950][ T4407] ret_from_fork+0x1f/0x30 [ 111.090172][ T5] usb 6-1: USB disconnect, device number 16 [ 111.152067][ T4407] usb 2-1: USB disconnect, device number 17 [ 111.177128][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 111.287843][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 111.297861][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 111.307025][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 111.317755][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 111.327729][ T4755] usb 1-1: config 0 descriptor?? [ 111.437114][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 111.446245][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 111.457909][ T32] usb 5-1: new high-speed USB device number 18 using dummy_hcd [ 111.460545][ T2633] usb 4-1: config 0 descriptor?? [ 111.471191][ T5] usb 6-1: new high-speed USB device number 17 using dummy_hcd executing program [ 111.490061][ T17] usb 3-1: USB disconnect, device number 16 [ 111.546992][ T4407] usb 2-1: new high-speed USB device number 18 using dummy_hcd [ 111.588347][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 111.717016][ T5] usb 6-1: Using ep0 maxpacket: 8 [ 111.717952][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 111.737960][ T2633] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 111.789720][ T2633] usb 1-1: USB disconnect, device number 17 [ 111.807013][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 111.837204][ T5] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 111.846444][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 111.857982][ T5] usb 6-1: config 0 descriptor?? executing program [ 111.887224][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 111.896516][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 111.909243][ T32] usb 5-1: config 0 descriptor?? [ 111.927368][ T17] usb 3-1: new high-speed USB device number 17 using dummy_hcd [ 111.947314][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 111.947803][ T4755] usb 4-1: USB disconnect, device number 17 [ 111.956467][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 111.978857][ T4407] usb 2-1: config 0 descriptor?? [ 112.117825][ T5] hso 6-1:0.0: Failed to find BULK IN ep [ 112.177579][ T17] usb 3-1: Using ep0 maxpacket: 8 [ 112.183268][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 112.197255][ T2633] usb 1-1: new high-speed USB device number 18 using dummy_hcd [ 112.248050][ T4407] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 112.319344][ T5] usb 6-1: USB disconnect, device number 17 [ 112.331073][ T17] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 112.340215][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 112.347463][ T4755] usb 4-1: new high-speed USB device number 18 using dummy_hcd executing program [ 112.367731][ T17] usb 3-1: config 0 descriptor?? [ 112.380318][ T4628] usb 5-1: USB disconnect, device number 18 executing program [ 112.446999][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 112.454946][ T4742] usb 2-1: USB disconnect, device number 18 [ 112.567208][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 112.576597][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 112.587297][ T4755] usb 4-1: Using ep0 maxpacket: 8 [ 112.593468][ T2633] usb 1-1: config 0 descriptor?? [ 112.638210][ T17] hso 3-1:0.0: Failed to find BULK IN ep [ 112.707249][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 112.716369][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 112.726573][ T4755] usb 4-1: config 0 descriptor?? [ 112.731943][ T5] usb 6-1: new high-speed USB device number 18 using dummy_hcd [ 112.757778][ T4628] usb 5-1: new high-speed USB device number 19 using dummy_hcd executing program [ 112.827160][ T4742] usb 2-1: new high-speed USB device number 19 using dummy_hcd [ 112.839462][ T4399] usb 3-1: USB disconnect, device number 17 [ 112.868523][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 112.977043][ T5] usb 6-1: Using ep0 maxpacket: 8 [ 112.997599][ T4628] usb 5-1: Using ep0 maxpacket: 8 [ 113.003135][ T4755] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 113.067229][ T4742] usb 2-1: Using ep0 maxpacket: 8 [ 113.074790][ T4755] usb 1-1: USB disconnect, device number 18 [ 113.097320][ T5] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 113.107582][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 113.118251][ T4628] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 113.127917][ T4628] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 113.139224][ T5] usb 6-1: config 0 descriptor?? [ 113.158179][ T4628] usb 5-1: config 0 descriptor?? executing program [ 113.187165][ T4742] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 113.196338][ T4742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 113.212515][ T4742] usb 2-1: config 0 descriptor?? [ 113.237895][ T2633] usb 4-1: USB disconnect, device number 18 [ 113.278201][ T4399] usb 3-1: new high-speed USB device number 18 using dummy_hcd [ 113.397984][ T5] hso 6-1:0.0: Failed to find BULK IN ep [ 113.428286][ T4628] hso 5-1:0.0: Failed to find BULK IN ep [ 113.457056][ T4755] usb 1-1: new high-speed USB device number 19 using dummy_hcd [ 113.498114][ T4742] hso 2-1:0.0: Failed to find BULK IN ep [ 113.517120][ T4399] usb 3-1: Using ep0 maxpacket: 8 executing program executing program [ 113.597073][ T2633] usb 4-1: new high-speed USB device number 19 using dummy_hcd [ 113.599139][ T17] usb 6-1: USB disconnect, device number 18 [ 113.628582][ T4742] usb 5-1: USB disconnect, device number 19 [ 113.637338][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 113.646645][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 113.697351][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 113.699183][ T4407] usb 2-1: USB disconnect, device number 19 [ 113.704033][ T4399] usb 3-1: config 0 descriptor?? [ 113.817202][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 113.826373][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 113.840515][ T4755] usb 1-1: config 0 descriptor?? [ 113.847191][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 113.967047][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 113.976353][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 113.985721][ T4399] hso 3-1:0.0: Failed to find BULK IN ep [ 113.996968][ T17] usb 6-1: new high-speed USB device number 19 using dummy_hcd [ 113.998874][ T2633] usb 4-1: config 0 descriptor?? [ 114.027301][ T4742] usb 5-1: new high-speed USB device number 20 using dummy_hcd [ 114.096993][ T4407] usb 2-1: new high-speed USB device number 20 using dummy_hcd [ 114.098206][ T4755] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 114.189469][ T4755] usb 3-1: USB disconnect, device number 18 [ 114.257139][ T17] usb 6-1: Using ep0 maxpacket: 8 [ 114.277485][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 114.282911][ T2633] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 114.303519][ T32] usb 1-1: USB disconnect, device number 19 [ 114.357033][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 114.397249][ T17] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 114.406559][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 114.407123][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 114.421976][ T17] usb 6-1: config 0 descriptor?? [ 114.423699][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 114.440409][ T4742] usb 5-1: config 0 descriptor?? executing program [ 114.479420][ T2633] usb 4-1: USB disconnect, device number 19 [ 114.497546][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 114.506736][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 114.534535][ T4407] usb 2-1: config 0 descriptor?? [ 114.597229][ T4755] usb 3-1: new high-speed USB device number 19 using dummy_hcd [ 114.688000][ T17] hso 6-1:0.0: Failed to find BULK IN ep [ 114.708265][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 114.747304][ T32] usb 1-1: new high-speed USB device number 20 using dummy_hcd [ 114.798159][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 114.837156][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 114.847825][ T2633] usb 4-1: new high-speed USB device number 20 using dummy_hcd executing program executing program [ 114.888811][ T4742] usb 6-1: USB disconnect, device number 19 [ 114.912373][ T4407] usb 5-1: USB disconnect, device number 20 [ 114.957476][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 114.966551][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 114.985429][ T4755] usb 3-1: config 0 descriptor?? executing program [ 115.003064][ T4399] usb 2-1: USB disconnect, device number 20 [ 115.017119][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 115.087100][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 115.167118][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 115.176313][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 115.190566][ T32] usb 1-1: config 0 descriptor?? [ 115.207978][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 115.217544][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 115.234513][ T2633] usb 4-1: config 0 descriptor?? [ 115.251539][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 115.297161][ T4407] usb 5-1: new high-speed USB device number 21 using dummy_hcd [ 115.297286][ T4742] usb 6-1: new high-speed USB device number 20 using dummy_hcd [ 115.406998][ T4399] usb 2-1: new high-speed USB device number 21 using dummy_hcd executing program [ 115.451931][ T4755] usb 3-1: USB disconnect, device number 19 [ 115.458012][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 115.498933][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 115.547231][ T4407] usb 5-1: Using ep0 maxpacket: 8 [ 115.558018][ T4742] usb 6-1: Using ep0 maxpacket: 8 executing program [ 115.647007][ T4399] usb 2-1: Using ep0 maxpacket: 8 [ 115.659777][ T2633] usb 1-1: USB disconnect, device number 20 [ 115.678471][ T4742] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 115.687681][ T4742] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 115.697384][ T4407] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 115.706690][ T4407] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 115.713957][ T4628] usb 4-1: USB disconnect, device number 20 [ 115.731843][ T4742] usb 6-1: config 0 descriptor?? [ 115.743944][ T4407] usb 5-1: config 0 descriptor?? [ 115.767519][ T4399] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 115.776788][ T4399] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 115.809852][ T4399] usb 2-1: config 0 descriptor?? [ 115.819616][ T4755] usb 3-1: new high-speed USB device number 20 using dummy_hcd [ 116.026970][ T2633] usb 1-1: new high-speed USB device number 21 using dummy_hcd [ 116.038473][ T4407] hso 5-1:0.0: Failed to find BULK IN ep [ 116.051542][ T4742] hso 6-1:0.0: Failed to find BULK IN ep [ 116.067409][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 116.095339][ T4399] hso 2-1:0.0: Failed to find BULK IN ep [ 116.147266][ T4628] usb 4-1: new high-speed USB device number 21 using dummy_hcd [ 116.187193][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 116.196298][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 116.207896][ T4755] usb 3-1: config 0 descriptor?? executing program executing program [ 116.239920][ T4399] usb 5-1: USB disconnect, device number 21 [ 116.253306][ T4407] usb 6-1: USB disconnect, device number 20 [ 116.267116][ T2633] usb 1-1: Using ep0 maxpacket: 8 executing program [ 116.289726][ T32] usb 2-1: USB disconnect, device number 21 [ 116.387184][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 116.396492][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 116.404977][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 116.412168][ T2633] usb 1-1: config 0 descriptor?? [ 116.468339][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 116.527305][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 116.536437][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 116.549936][ T4628] usb 4-1: config 0 descriptor?? executing program [ 116.657143][ T4399] usb 5-1: new high-speed USB device number 22 using dummy_hcd [ 116.669324][ T4755] usb 3-1: USB disconnect, device number 20 [ 116.678562][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 116.687107][ T4407] usb 6-1: new high-speed USB device number 21 using dummy_hcd [ 116.757015][ T32] usb 2-1: new high-speed USB device number 22 using dummy_hcd [ 116.807972][ T4628] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 116.879471][ T4628] usb 1-1: USB disconnect, device number 21 [ 116.897192][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 116.947145][ T4407] usb 6-1: Using ep0 maxpacket: 8 executing program [ 117.009414][ T2633] usb 4-1: USB disconnect, device number 21 [ 117.017171][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 117.026352][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.037175][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 117.037384][ T4755] usb 3-1: new high-speed USB device number 21 using dummy_hcd [ 117.060162][ T4399] usb 5-1: config 0 descriptor?? [ 117.097800][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 117.107488][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.126481][ T4407] usb 6-1: config 0 descriptor?? [ 117.157158][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 117.168916][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.181955][ T32] usb 2-1: config 0 descriptor?? [ 117.297135][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 117.302567][ T4628] usb 1-1: new high-speed USB device number 22 using dummy_hcd [ 117.328087][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 117.388177][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 117.427553][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 117.436656][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.450644][ T4755] usb 3-1: config 0 descriptor?? [ 117.459549][ T2633] usb 4-1: new high-speed USB device number 22 using dummy_hcd [ 117.479721][ T32] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 117.531901][ T4399] usb 5-1: USB disconnect, device number 22 [ 117.557318][ T4628] usb 1-1: Using ep0 maxpacket: 8 executing program [ 117.589800][ T32] usb 6-1: USB disconnect, device number 21 executing program [ 117.677153][ T4628] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 117.679553][ T4407] usb 2-1: USB disconnect, device number 22 [ 117.686306][ T4628] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.709068][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 117.727417][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 117.749701][ T4628] usb 1-1: config 0 descriptor?? [ 117.847083][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 117.856590][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.867779][ T2633] usb 4-1: config 0 descriptor?? executing program [ 117.910108][ T4755] usb 3-1: USB disconnect, device number 21 [ 117.954919][ T4399] usb 5-1: new high-speed USB device number 23 using dummy_hcd [ 118.017011][ T32] usb 6-1: new high-speed USB device number 22 using dummy_hcd [ 118.019599][ T4628] hso 1-1:0.0: Failed to find BULK IN ep [ 118.127872][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 118.147011][ T4407] usb 2-1: new high-speed USB device number 23 using dummy_hcd [ 118.197033][ T4399] usb 5-1: Using ep0 maxpacket: 8 executing program [ 118.220984][ T2633] usb 1-1: USB disconnect, device number 22 [ 118.277254][ T32] usb 6-1: Using ep0 maxpacket: 8 executing program [ 118.317181][ T4755] usb 3-1: new high-speed USB device number 22 using dummy_hcd [ 118.325669][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 118.335066][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 118.346558][ T4628] usb 4-1: USB disconnect, device number 22 [ 118.358986][ T4399] usb 5-1: config 0 descriptor?? [ 118.417301][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 118.422493][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 118.432316][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 118.450493][ T32] usb 6-1: config 0 descriptor?? [ 118.537131][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 118.546483][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 118.559059][ T4407] usb 2-1: config 0 descriptor?? [ 118.577042][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 118.628029][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 118.640899][ T2633] usb 1-1: new high-speed USB device number 23 using dummy_hcd [ 118.697272][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 118.698459][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 118.706784][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 118.717069][ T4628] usb 4-1: new high-speed USB device number 23 using dummy_hcd [ 118.735592][ T4755] usb 3-1: config 0 descriptor?? executing program [ 118.828905][ T32] usb 5-1: USB disconnect, device number 23 [ 118.838735][ T4407] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 118.887161][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 118.900877][ T4407] usb 6-1: USB disconnect, device number 22 [ 118.977136][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 118.998132][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 119.011261][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 119.022410][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 119.035059][ T2633] usb 1-1: config 0 descriptor?? [ 119.041812][ T17] usb 2-1: USB disconnect, device number 23 [ 119.107282][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 119.116778][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 119.146824][ T4628] usb 4-1: config 0 descriptor?? executing program [ 119.201073][ T1551] usb 3-1: USB disconnect, device number 22 [ 119.257164][ T32] usb 5-1: new high-speed USB device number 24 using dummy_hcd [ 119.287212][ T4407] usb 6-1: new high-speed USB device number 23 using dummy_hcd [ 119.308141][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 119.408085][ T4628] hso 4-1:0.0: Failed to find BULK IN ep [ 119.436998][ T17] usb 2-1: new high-speed USB device number 24 using dummy_hcd executing program [ 119.509700][ T4628] usb 1-1: USB disconnect, device number 23 [ 119.519577][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 119.547008][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 119.567757][ T1551] usb 3-1: new high-speed USB device number 23 using dummy_hcd executing program [ 119.609483][ T2633] usb 4-1: USB disconnect, device number 23 [ 119.657408][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 119.666742][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 119.677287][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 119.686388][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 119.695567][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 119.703360][ T32] usb 5-1: config 0 descriptor?? [ 119.714885][ T4407] usb 6-1: config 0 descriptor?? [ 119.827126][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 119.832525][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 119.841808][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 119.852210][ T17] usb 2-1: config 0 descriptor?? [ 119.927044][ T4628] usb 1-1: new high-speed USB device number 24 using dummy_hcd [ 119.968193][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 119.987323][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 119.996547][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 120.008220][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 120.015822][ T1551] usb 3-1: config 0 descriptor?? [ 120.017126][ T2633] usb 4-1: new high-speed USB device number 24 using dummy_hcd [ 120.118327][ T17] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 120.167040][ T4628] usb 1-1: Using ep0 maxpacket: 8 [ 120.174229][ T4755] usb 5-1: USB disconnect, device number 24 executing program [ 120.210015][ T17] usb 6-1: USB disconnect, device number 23 executing program [ 120.278080][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 120.287252][ T4628] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 120.296321][ T4628] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 120.306171][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 120.323007][ T4628] usb 1-1: config 0 descriptor?? [ 120.333100][ T4399] usb 2-1: USB disconnect, device number 24 [ 120.427215][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 120.436338][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 120.447824][ T2633] usb 4-1: config 0 descriptor?? executing program [ 120.479600][ T1551] usb 3-1: USB disconnect, device number 23 [ 120.557086][ T4755] usb 5-1: new high-speed USB device number 25 using dummy_hcd [ 120.587044][ T17] usb 6-1: new high-speed USB device number 24 using dummy_hcd [ 120.588145][ T4628] hso 1-1:0.0: Failed to find BULK IN ep [ 120.697041][ T4399] usb 2-1: new high-speed USB device number 25 using dummy_hcd [ 120.708699][ T2633] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 120.789714][ T2633] usb 1-1: USB disconnect, device number 24 [ 120.800757][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 120.847142][ T17] usb 6-1: Using ep0 maxpacket: 8 executing program [ 120.909263][ T4407] usb 4-1: USB disconnect, device number 24 [ 120.919356][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 120.928837][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 120.937556][ T4399] usb 2-1: Using ep0 maxpacket: 8 [ 120.948542][ T1551] usb 3-1: new high-speed USB device number 24 using dummy_hcd [ 120.956857][ T4755] usb 5-1: config 0 descriptor?? [ 120.987812][ T17] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 120.997231][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 121.013806][ T17] usb 6-1: config 0 descriptor?? [ 121.057214][ T4399] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 121.066335][ T4399] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 121.087982][ T4399] usb 2-1: config 0 descriptor?? [ 121.217019][ T2633] usb 1-1: new high-speed USB device number 25 using dummy_hcd [ 121.227656][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 121.229714][ T4755] hso 5-1:0.0: Failed to find BULK IN ep [ 121.298155][ T17] hso 6-1:0.0: Failed to find BULK IN ep [ 121.327331][ T4407] usb 4-1: new high-speed USB device number 25 using dummy_hcd [ 121.348056][ T4399] hso 2-1:0.0: Failed to find BULK IN ep [ 121.377474][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 121.386863][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 121.402881][ T1551] usb 3-1: config 0 descriptor?? executing program [ 121.431487][ T4399] usb 5-1: USB disconnect, device number 25 [ 121.457499][ T2633] usb 1-1: Using ep0 maxpacket: 8 executing program [ 121.499193][ T4755] usb 6-1: USB disconnect, device number 24 executing program [ 121.548786][ T17] usb 2-1: USB disconnect, device number 25 [ 121.577219][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 121.586446][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 121.613914][ T2633] usb 1-1: config 0 descriptor?? [ 121.616989][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 121.658723][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 121.758222][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 121.767567][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 121.781047][ T4407] usb 4-1: config 0 descriptor?? executing program [ 121.837129][ T4399] usb 5-1: new high-speed USB device number 26 using dummy_hcd [ 121.861264][ T4628] usb 3-1: USB disconnect, device number 24 [ 121.879793][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 121.907090][ T4755] usb 6-1: new high-speed USB device number 25 using dummy_hcd [ 121.997035][ T17] usb 2-1: new high-speed USB device number 26 using dummy_hcd executing program [ 122.048083][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 122.077055][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 122.080051][ T4407] usb 1-1: USB disconnect, device number 25 [ 122.157138][ T4755] usb 6-1: Using ep0 maxpacket: 8 [ 122.197248][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 122.206620][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 122.217723][ T4399] usb 5-1: config 0 descriptor?? executing program [ 122.248713][ T2633] usb 4-1: USB disconnect, device number 25 [ 122.257209][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 122.277182][ T4628] usb 3-1: new high-speed USB device number 25 using dummy_hcd [ 122.287537][ T4755] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 122.296660][ T4755] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 122.328747][ T4755] usb 6-1: config 0 descriptor?? [ 122.387191][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 122.397060][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 122.412677][ T17] usb 2-1: config 0 descriptor?? [ 122.467175][ T4407] usb 1-1: new high-speed USB device number 26 using dummy_hcd [ 122.478426][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 122.517022][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 122.588592][ T4755] hso 6-1:0.0: Failed to find BULK IN ep [ 122.637239][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 122.646831][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 122.657030][ T2633] usb 4-1: new high-speed USB device number 26 using dummy_hcd [ 122.669659][ T4628] usb 3-1: config 0 descriptor?? executing program [ 122.681944][ T1551] usb 5-1: USB disconnect, device number 26 [ 122.690014][ T17] hso 2-1:0.0: Failed to find BULK IN ep [ 122.717047][ T4407] usb 1-1: Using ep0 maxpacket: 8 executing program [ 122.790189][ T4755] usb 6-1: USB disconnect, device number 25 executing program [ 122.877116][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 122.886350][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 122.898535][ T4407] usb 1-1: config 0 descriptor?? [ 122.903025][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 122.904011][ T17] usb 2-1: USB disconnect, device number 26 [ 122.933098][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 123.027326][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 123.036675][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 123.048196][ T2633] usb 4-1: config 0 descriptor?? executing program [ 123.129555][ T4628] usb 3-1: USB disconnect, device number 25 [ 123.157315][ T4755] usb 6-1: new high-speed USB device number 26 using dummy_hcd [ 123.169162][ T1551] usb 5-1: new high-speed USB device number 27 using dummy_hcd [ 123.178445][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 123.307896][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 123.346988][ T17] usb 2-1: new high-speed USB device number 27 using dummy_hcd executing program [ 123.370022][ T4407] usb 1-1: USB disconnect, device number 26 [ 123.396978][ T4755] usb 6-1: Using ep0 maxpacket: 8 [ 123.417010][ T1551] usb 5-1: Using ep0 maxpacket: 8 executing program [ 123.487017][ T4628] usb 3-1: new high-speed USB device number 26 using dummy_hcd [ 123.509016][ T32] usb 4-1: USB disconnect, device number 26 [ 123.519618][ T4755] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 123.528824][ T4755] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 123.554792][ T4755] usb 6-1: config 0 descriptor?? [ 123.567931][ T1551] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 123.577404][ T1551] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 123.589301][ T1551] usb 5-1: config 0 descriptor?? [ 123.607372][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 123.737037][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 123.757117][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 123.766464][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 123.777583][ T17] usb 2-1: config 0 descriptor?? [ 123.828173][ T4755] hso 6-1:0.0: Failed to find BULK IN ep [ 123.847897][ T4407] usb 1-1: new high-speed USB device number 27 using dummy_hcd [ 123.856458][ T1551] hso 5-1:0.0: Failed to find BULK IN ep [ 123.857372][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 123.871200][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 123.919048][ T4628] usb 3-1: config 0 descriptor?? [ 123.937582][ T32] usb 4-1: new high-speed USB device number 27 using dummy_hcd executing program executing program [ 124.029273][ T1551] usb 6-1: USB disconnect, device number 26 [ 124.036352][ T17] hso 2-1:0.0: Failed to find BULK IN ep [ 124.064111][ T17] usb 5-1: USB disconnect, device number 27 [ 124.097197][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 124.178244][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 124.187353][ T32] usb 4-1: Using ep0 maxpacket: 8 executing program [ 124.227181][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 124.236385][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 124.249773][ T4407] usb 1-1: config 0 descriptor?? [ 124.255331][ T4401] usb 2-1: USB disconnect, device number 27 executing program [ 124.347213][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 124.356682][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 124.370544][ T32] usb 4-1: config 0 descriptor?? [ 124.380655][ T4628] usb 3-1: USB disconnect, device number 26 [ 124.428298][ T1551] usb 6-1: new high-speed USB device number 27 using dummy_hcd [ 124.447272][ T17] usb 5-1: new high-speed USB device number 28 using dummy_hcd [ 124.508550][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 124.637601][ T4401] usb 2-1: new high-speed USB device number 28 using dummy_hcd [ 124.645587][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 124.677100][ T1551] usb 6-1: Using ep0 maxpacket: 8 executing program [ 124.687967][ T17] usb 5-1: Using ep0 maxpacket: 8 [ 124.709952][ T32] usb 1-1: USB disconnect, device number 27 [ 124.747137][ T4628] usb 3-1: new high-speed USB device number 27 using dummy_hcd executing program [ 124.827270][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 124.836570][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 124.839187][ T4755] usb 4-1: USB disconnect, device number 27 [ 124.847293][ T17] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 124.859671][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 124.882121][ T1551] usb 6-1: config 0 descriptor?? [ 124.893369][ T17] usb 5-1: config 0 descriptor?? [ 124.917342][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 124.987076][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 125.037177][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 125.047129][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 125.064215][ T4401] usb 2-1: config 0 descriptor?? [ 125.107187][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 125.116476][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 125.127568][ T32] usb 1-1: new high-speed USB device number 28 using dummy_hcd [ 125.130017][ T4628] usb 3-1: config 0 descriptor?? [ 125.178034][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 125.185662][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 [ 125.193550][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.207163][ T4755] usb 4-1: new high-speed USB device number 28 using dummy_hcd [ 125.207682][ T17] Workqueue: usb_hub_wq hub_event [ 125.220294][ T17] Call Trace: [ 125.223586][ T17] dump_stack+0xfa/0x151 [ 125.227850][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 125.232917][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 125.238404][ T17] sysfs_create_link+0x5f/0xc0 [ 125.243460][ T17] device_add+0x789/0x1db0 [ 125.247884][ T17] ? memset+0x20/0x40 [ 125.251861][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 125.257620][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 125.264116][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 125.269726][ T17] tty_register_device_attr+0x395/0x7b0 [ 125.275738][ T17] ? send_break.part.0+0x300/0x300 [ 125.281382][ T17] ? mark_held_locks+0x9f/0xe0 [ 125.286579][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 125.292069][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 125.297962][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 125.304129][ T17] hso_serial_common_create+0x124/0x8b0 [ 125.309703][ T17] ? kasan_unpoison+0x3a/0x60 [ 125.314386][ T17] hso_probe+0xef9/0x1f70 [ 125.318713][ T17] usb_probe_interface+0x315/0x7f0 [ 125.323964][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 125.329477][ T17] really_probe+0x291/0xe60 [ 125.334045][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 125.341181][ T17] driver_probe_device+0x26b/0x3d0 [ 125.346562][ T17] __device_attach_driver+0x1d1/0x290 [ 125.351941][ T17] ? driver_allows_async_probing+0x150/0x150 [ 125.357963][ T17] bus_for_each_drv+0x15f/0x1e0 [ 125.362810][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 125.367852][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 125.373874][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 125.378908][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 125.384827][ T17] __device_attach+0x228/0x4a0 [ 125.389710][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 125.395886][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 125.404142][ T17] bus_probe_device+0x1e4/0x290 [ 125.409186][ T17] device_add+0xbdb/0x1db0 [ 125.413709][ T17] ? wait_for_completion_io+0x270/0x270 [ 125.419273][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 125.425533][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 125.431530][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 125.437350][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 125.443610][ T17] usb_set_configuration+0x113f/0x1910 [ 125.449085][ T17] usb_generic_driver_probe+0xba/0x100 [ 125.454648][ T17] usb_probe_device+0xd9/0x2c0 [ 125.459427][ T17] ? usb_driver_release_interface+0x180/0x180 [ 125.466618][ T17] really_probe+0x291/0xe60 [ 125.471316][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 125.477764][ T17] driver_probe_device+0x26b/0x3d0 [ 125.482891][ T17] __device_attach_driver+0x1d1/0x290 [ 125.488279][ T17] ? driver_allows_async_probing+0x150/0x150 [ 125.494275][ T17] bus_for_each_drv+0x15f/0x1e0 [ 125.499155][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 125.504472][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 125.510553][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 125.515587][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 125.521437][ T17] __device_attach+0x228/0x4a0 [ 125.526255][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 125.532341][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 125.537656][ T17] bus_probe_device+0x1e4/0x290 [ 125.542532][ T17] device_add+0xbdb/0x1db0 [ 125.547601][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 125.554215][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 125.562302][ T17] usb_new_device.cold+0x721/0x1058 [ 125.568318][ T17] ? hub_disconnect+0x510/0x510 [ 125.573330][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 125.578305][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 125.584492][ T17] hub_event+0x2357/0x4320 [ 125.589062][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 125.594209][ T17] ? zap_class+0x5b1/0x9a0 [ 125.598646][ T17] ? process_one_work+0x521/0x1580 [ 125.603778][ T17] ? lock_release+0x6d0/0x6d0 [ 125.608487][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 125.613354][ T17] ? do_raw_spin_lock+0x120/0x2b0 [ 125.618398][ T17] ? lock_is_held_type+0x98/0x110 [ 125.623442][ T17] process_one_work+0x98d/0x1580 executing program [ 125.628396][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 125.633878][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 125.638848][ T17] worker_thread+0x64c/0x1120 [ 125.643562][ T17] ? process_one_work+0x1580/0x1580 [ 125.648880][ T17] kthread+0x38c/0x460 [ 125.652967][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 125.658190][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 125.663869][ T17] ret_from_fork+0x1f/0x30 [ 125.669290][ T4401] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 125.677034][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 125.678577][ T4628] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 125.685205][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.685224][ T4401] Workqueue: usb_hub_wq hub_event [ 125.710610][ T4401] Call Trace: [ 125.713902][ T4401] dump_stack+0xfa/0x151 [ 125.718687][ T4401] sysfs_warn_dup.cold+0x1c/0x29 [ 125.723756][ T4401] sysfs_do_create_link_sd+0x11e/0x140 [ 125.729246][ T4401] sysfs_create_link+0x5f/0xc0 [ 125.734047][ T4401] device_add+0x789/0x1db0 [ 125.738485][ T4401] ? memset+0x20/0x40 [ 125.742681][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 125.748158][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 125.754432][ T4401] ? __init_waitqueue_head+0x6b/0xd0 [ 125.759827][ T4401] tty_register_device_attr+0x395/0x7b0 [ 125.766523][ T4401] ? send_break.part.0+0x300/0x300 [ 125.771675][ T4401] ? mark_held_locks+0x9f/0xe0 [ 125.776465][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 125.781943][ T4401] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 125.787700][ T4401] ? tty_port_register_device_attr+0xbc/0x110 [ 125.793813][ T4401] hso_serial_common_create+0x124/0x8b0 [ 125.799390][ T4401] ? kasan_unpoison+0x3a/0x60 [ 125.804180][ T4401] hso_probe+0xef9/0x1f70 [ 125.808532][ T4401] usb_probe_interface+0x315/0x7f0 [ 125.813670][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 125.819155][ T4401] really_probe+0x291/0xe60 [ 125.823784][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 125.830065][ T4401] driver_probe_device+0x26b/0x3d0 [ 125.835244][ T4401] __device_attach_driver+0x1d1/0x290 [ 125.840647][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 125.846754][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 125.851633][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 125.856808][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 125.862812][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 125.868618][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 125.874461][ T4401] __device_attach+0x228/0x4a0 [ 125.879350][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 125.885621][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 125.890927][ T4401] bus_probe_device+0x1e4/0x290 [ 125.895889][ T4401] device_add+0xbdb/0x1db0 [ 125.900421][ T4401] ? wait_for_completion_io+0x270/0x270 [ 125.906078][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 125.912346][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 125.918351][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 125.924189][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 125.930460][ T4401] usb_set_configuration+0x113f/0x1910 [ 125.935963][ T4401] usb_generic_driver_probe+0xba/0x100 [ 125.941472][ T4401] usb_probe_device+0xd9/0x2c0 [ 125.946257][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 125.952428][ T4401] really_probe+0x291/0xe60 [ 125.957054][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 125.963401][ T4401] driver_probe_device+0x26b/0x3d0 [ 125.968721][ T4401] __device_attach_driver+0x1d1/0x290 [ 125.974115][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 125.980113][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 125.984983][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 125.990021][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 125.996256][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 126.006939][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 126.012776][ T4401] __device_attach+0x228/0x4a0 [ 126.017581][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 126.023941][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 126.029336][ T4401] bus_probe_device+0x1e4/0x290 [ 126.034730][ T4401] device_add+0xbdb/0x1db0 [ 126.039161][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 126.046993][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 126.053276][ T4401] usb_new_device.cold+0x721/0x1058 [ 126.058678][ T4401] ? hub_disconnect+0x510/0x510 [ 126.063544][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 126.069456][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 126.075541][ T4401] hub_event+0x2357/0x4320 [ 126.080366][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 126.085594][ T4401] ? zap_class+0x5b0/0x9a0 [ 126.090022][ T4401] ? process_one_work+0x521/0x1580 [ 126.095612][ T4401] ? lock_release+0x6d0/0x6d0 [ 126.100300][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 126.105163][ T4401] ? do_raw_spin_lock+0x120/0x2b0 [ 126.110200][ T4401] ? lock_is_held_type+0x98/0x110 [ 126.115240][ T4401] process_one_work+0x98d/0x1580 [ 126.120208][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 126.125593][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 126.130548][ T4401] worker_thread+0x64c/0x1120 [ 126.135248][ T4401] ? process_one_work+0x1580/0x1580 [ 126.140739][ T4401] kthread+0x38c/0x460 [ 126.144939][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 126.150590][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 126.155733][ T4401] ret_from_fork+0x1f/0x30 [ 126.160604][ T4628] CPU: 0 PID: 4628 Comm: kworker/0:4 Not tainted 5.11.0-syzkaller #0 [ 126.169800][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.180409][ T4628] Workqueue: usb_hub_wq hub_event [ 126.186119][ T4628] Call Trace: [ 126.189781][ T4628] dump_stack+0xfa/0x151 [ 126.194478][ T4628] sysfs_warn_dup.cold+0x1c/0x29 [ 126.199524][ T4628] sysfs_do_create_link_sd+0x11e/0x140 [ 126.204998][ T4628] sysfs_create_link+0x5f/0xc0 [ 126.210125][ T4628] device_add+0x789/0x1db0 [ 126.214554][ T4628] ? memset+0x20/0x40 [ 126.218639][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 126.224290][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 126.230735][ T4628] ? __init_waitqueue_head+0x6b/0xd0 [ 126.236247][ T4628] tty_register_device_attr+0x395/0x7b0 [ 126.242683][ T4628] ? send_break.part.0+0x300/0x300 [ 126.247828][ T4628] ? mark_held_locks+0x9f/0xe0 [ 126.252619][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 126.258098][ T4628] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 126.263829][ T4628] ? tty_port_register_device_attr+0xbc/0x110 [ 126.270439][ T4628] hso_serial_common_create+0x124/0x8b0 [ 126.276251][ T4628] ? kasan_unpoison+0x3a/0x60 [ 126.281214][ T4628] hso_probe+0xef9/0x1f70 [ 126.285558][ T4628] usb_probe_interface+0x315/0x7f0 [ 126.290704][ T4628] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 126.296096][ T4628] really_probe+0x291/0xe60 [ 126.300612][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 126.306865][ T4628] driver_probe_device+0x26b/0x3d0 [ 126.311996][ T4628] __device_attach_driver+0x1d1/0x290 [ 126.317396][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 126.323475][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 126.328342][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 126.333577][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 126.339609][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 126.344648][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 126.350898][ T4628] __device_attach+0x228/0x4a0 [ 126.355777][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 126.361887][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 126.367209][ T4628] bus_probe_device+0x1e4/0x290 [ 126.372076][ T4628] device_add+0xbdb/0x1db0 [ 126.376507][ T4628] ? wait_for_completion_io+0x270/0x270 [ 126.382155][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 126.388512][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 126.394510][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 126.400334][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 126.406601][ T4628] usb_set_configuration+0x113f/0x1910 [ 126.412099][ T4628] usb_generic_driver_probe+0xba/0x100 [ 126.417575][ T4628] usb_probe_device+0xd9/0x2c0 [ 126.422354][ T4628] ? usb_driver_release_interface+0x180/0x180 [ 126.428533][ T4628] really_probe+0x291/0xe60 [ 126.433258][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 126.439607][ T4628] driver_probe_device+0x26b/0x3d0 [ 126.444914][ T4628] __device_attach_driver+0x1d1/0x290 [ 126.450571][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 126.456666][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 126.461528][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 126.466649][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 126.472913][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 126.478254][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 126.484077][ T4628] __device_attach+0x228/0x4a0 [ 126.488851][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 126.495205][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 126.500779][ T4628] bus_probe_device+0x1e4/0x290 [ 126.506004][ T4628] device_add+0xbdb/0x1db0 [ 126.511040][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 126.517478][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 126.523757][ T4628] usb_new_device.cold+0x721/0x1058 [ 126.528986][ T4628] ? hub_disconnect+0x510/0x510 [ 126.533943][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 126.538913][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 126.544928][ T4628] hub_event+0x2357/0x4320 [ 126.549373][ T4628] ? hub_port_debounce+0x3c0/0x3c0 [ 126.554505][ T4628] ? zap_class+0x5b0/0x9a0 [ 126.559056][ T4628] ? process_one_work+0x521/0x1580 [ 126.564194][ T4628] ? lock_release+0x6d0/0x6d0 [ 126.568974][ T4628] ? lock_downgrade+0x6d0/0x6d0 [ 126.573843][ T4628] ? do_raw_spin_lock+0x120/0x2b0 [ 126.579051][ T4628] ? lock_is_held_type+0x98/0x110 [ 126.584103][ T4628] process_one_work+0x98d/0x1580 [ 126.589067][ T4628] ? pwq_dec_nr_in_flight+0x320/0x320 [ 126.594544][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 126.600285][ T4628] worker_thread+0x64c/0x1120 [ 126.604978][ T4628] ? __kthread_parkme+0x118/0x1d0 [ 126.610033][ T4628] ? process_one_work+0x1580/0x1580 [ 126.615250][ T4628] kthread+0x38c/0x460 [ 126.619337][ T4628] ? _raw_spin_unlock_irq+0x1f/0x30 [ 126.624574][ T4628] ? __kthread_bind_mask+0xc0/0xc0 [ 126.629697][ T4628] ret_from_fork+0x1f/0x30 executing program executing program [ 126.634691][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 126.651649][ T1551] usb 6-1: USB disconnect, device number 27 [ 126.657085][ T4755] usb 4-1: Using ep0 maxpacket: 8 [ 126.666698][ T17] usb 5-1: USB disconnect, device number 28 [ 126.756055][ T4628] usb 3-1: USB disconnect, device number 27 [ 126.787184][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 126.796310][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 126.831241][ T4755] usb 4-1: config 0 descriptor?? [ 126.837357][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 126.843689][ T4401] usb 2-1: USB disconnect, device number 28 [ 126.987244][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 126.996763][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.010104][ T32] usb 1-1: config 0 descriptor?? [ 127.037194][ T17] usb 5-1: new high-speed USB device number 29 using dummy_hcd [ 127.067252][ T1551] usb 6-1: new high-speed USB device number 28 using dummy_hcd [ 127.097982][ T4755] hso 4-1:0.0: Failed to find BULK IN ep [ 127.157169][ T4628] usb 3-1: new high-speed USB device number 28 using dummy_hcd [ 127.227553][ T4401] usb 2-1: new high-speed USB device number 29 using dummy_hcd executing program [ 127.288050][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 127.304961][ T32] usb 4-1: USB disconnect, device number 28 [ 127.320823][ T1551] usb 6-1: Using ep0 maxpacket: 8 [ 127.326168][ T17] usb 5-1: Using ep0 maxpacket: 8 [ 127.397032][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 127.447186][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 127.457206][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.470115][ T17] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 127.479529][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.489463][ T4755] usb 1-1: USB disconnect, device number 28 executing program [ 127.496464][ T17] usb 5-1: config 0 descriptor?? [ 127.510147][ T1551] usb 6-1: config 0 descriptor?? [ 127.517592][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 127.526967][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.537336][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 127.554014][ T4628] usb 3-1: config 0 descriptor?? [ 127.697079][ T32] usb 4-1: new high-speed USB device number 29 using dummy_hcd [ 127.704952][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 127.714152][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.723646][ T4401] usb 2-1: config 0 descriptor?? [ 127.768040][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 127.788812][ T17] hso 5-1:0.0: Failed to find BULK IN ep [ 127.828176][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 127.897108][ T4755] usb 1-1: new high-speed USB device number 29 using dummy_hcd executing program executing program [ 127.968979][ T4628] usb 6-1: USB disconnect, device number 28 [ 127.980173][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 127.990350][ T17] usb 5-1: USB disconnect, device number 29 [ 127.997206][ T4401] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 128.030907][ T2633] usb 3-1: USB disconnect, device number 28 [ 128.097668][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 128.106839][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 128.127882][ T32] usb 4-1: config 0 descriptor?? [ 128.137488][ T4755] usb 1-1: Using ep0 maxpacket: 8 executing program [ 128.190401][ T4399] usb 2-1: USB disconnect, device number 29 [ 128.257137][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 128.266333][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 128.278425][ T4755] usb 1-1: config 0 descriptor?? [ 128.387067][ T4628] usb 6-1: new high-speed USB device number 29 using dummy_hcd [ 128.397969][ T17] usb 5-1: new high-speed USB device number 30 using dummy_hcd [ 128.406275][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 128.417245][ T2633] usb 3-1: new high-speed USB device number 29 using dummy_hcd [ 128.538061][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 128.567086][ T4399] usb 2-1: new high-speed USB device number 30 using dummy_hcd executing program [ 128.599238][ T4755] usb 4-1: USB disconnect, device number 29 [ 128.627214][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 128.637142][ T17] usb 5-1: Using ep0 maxpacket: 8 [ 128.657200][ T2633] usb 3-1: Using ep0 maxpacket: 8 executing program [ 128.739001][ T32] usb 1-1: USB disconnect, device number 29 [ 128.750098][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 128.759594][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 128.777360][ T2633] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 128.777386][ T17] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 128.777414][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 128.793011][ T2633] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 128.817926][ T17] usb 5-1: config 0 descriptor?? [ 128.839678][ T4628] usb 6-1: config 0 descriptor?? [ 128.850143][ T4399] usb 2-1: Using ep0 maxpacket: 8 [ 128.856845][ T2633] usb 3-1: config 0 descriptor?? [ 128.967251][ T4399] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 128.977054][ T4399] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 128.985298][ T4755] usb 4-1: new high-speed USB device number 30 using dummy_hcd [ 128.995813][ T4399] usb 2-1: config 0 descriptor?? [ 129.098012][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 129.113597][ T17] hso 5-1:0.0: Failed to find BULK IN ep [ 129.131740][ T2633] hso 3-1:0.0: Failed to find BULK IN ep [ 129.157186][ T32] usb 1-1: new high-speed USB device number 30 using dummy_hcd [ 129.227093][ T4755] usb 4-1: Using ep0 maxpacket: 8 [ 129.257923][ T4399] hso 2-1:0.0: Failed to find BULK IN ep executing program executing program executing program [ 129.299813][ T4399] usb 6-1: USB disconnect, device number 29 [ 129.318080][ T17] usb 5-1: USB disconnect, device number 30 [ 129.331666][ T2633] usb 3-1: USB disconnect, device number 29 [ 129.347393][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 129.356577][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 129.389854][ T4755] usb 4-1: config 0 descriptor?? [ 129.407127][ T32] usb 1-1: Using ep0 maxpacket: 8 executing program [ 129.459310][ T4401] usb 2-1: USB disconnect, device number 30 [ 129.567107][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 129.576626][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 129.589900][ T32] usb 1-1: config 0 descriptor?? [ 129.667538][ T4399] usb 6-1: new high-speed USB device number 30 using dummy_hcd [ 129.675566][ T4755] hso 4-1:0.0: Failed to find BULK IN ep [ 129.687357][ T17] usb 5-1: new high-speed USB device number 31 using dummy_hcd [ 129.717420][ T2633] usb 3-1: new high-speed USB device number 30 using dummy_hcd executing program [ 129.847929][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 129.857377][ T4401] usb 2-1: new high-speed USB device number 31 using dummy_hcd [ 129.877620][ T32] usb 4-1: USB disconnect, device number 30 [ 129.907289][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 129.937077][ T17] usb 5-1: Using ep0 maxpacket: 8 [ 129.957016][ T2633] usb 3-1: Using ep0 maxpacket: 8 executing program [ 130.027115][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 130.036445][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 130.049393][ T4399] usb 6-1: config 0 descriptor?? [ 130.056198][ T4755] usb 1-1: USB disconnect, device number 30 [ 130.077204][ T2633] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 130.086307][ T2633] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 130.097740][ T17] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 130.106863][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 130.120771][ T2633] usb 3-1: config 0 descriptor?? [ 130.127130][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 130.149281][ T17] usb 5-1: config 0 descriptor?? [ 130.257228][ T32] usb 4-1: new high-speed USB device number 31 using dummy_hcd [ 130.266153][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 130.275324][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 130.290048][ T4401] usb 2-1: config 0 descriptor?? [ 130.308360][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 130.398500][ T2633] hso 3-1:0.0: Failed to find BULK IN ep [ 130.412447][ T17] hso 5-1:0.0: Failed to find BULK IN ep [ 130.447068][ T4755] usb 1-1: new high-speed USB device number 31 using dummy_hcd executing program [ 130.509190][ T2633] usb 6-1: USB disconnect, device number 30 [ 130.537027][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 130.549581][ T4401] hso 2-1:0.0: Failed to find BULK IN ep executing program executing program [ 130.599480][ T4401] usb 3-1: USB disconnect, device number 30 [ 130.616273][ T17] usb 5-1: USB disconnect, device number 31 [ 130.687152][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 130.687272][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 130.701799][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 130.712147][ T32] usb 4-1: config 0 descriptor?? executing program [ 130.749507][ T4399] usb 2-1: USB disconnect, device number 31 [ 130.807200][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 130.816687][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 130.832895][ T4755] usb 1-1: config 0 descriptor?? [ 130.867376][ T2633] usb 6-1: new high-speed USB device number 31 using dummy_hcd [ 130.987635][ T4401] usb 3-1: new high-speed USB device number 31 using dummy_hcd [ 130.995813][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 131.007580][ T17] usb 5-1: new high-speed USB device number 32 using dummy_hcd [ 131.107687][ T2633] usb 6-1: Using ep0 maxpacket: 8 [ 131.113300][ T4755] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 131.167178][ T4399] usb 2-1: new high-speed USB device number 32 using dummy_hcd [ 131.189409][ T32] usb 4-1: USB disconnect, device number 31 [ 131.227395][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 131.236823][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 131.250300][ T2633] usb 6-1: config 0 descriptor?? [ 131.257475][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 131.262740][ T17] usb 5-1: Using ep0 maxpacket: 8 executing program [ 131.309254][ T4755] usb 1-1: USB disconnect, device number 31 [ 131.407067][ T4399] usb 2-1: Using ep0 maxpacket: 8 [ 131.417711][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 131.426816][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 131.436680][ T17] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 131.445812][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 131.456256][ T17] usb 5-1: config 0 descriptor?? [ 131.462685][ T4401] usb 3-1: config 0 descriptor?? [ 131.508276][ T2633] hso 6-1:0.0: Failed to find BULK IN ep [ 131.527332][ T4399] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 131.536417][ T4399] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 131.568530][ T4399] usb 2-1: config 0 descriptor?? [ 131.597007][ T32] usb 4-1: new high-speed USB device number 32 using dummy_hcd executing program [ 131.709263][ T2633] usb 6-1: USB disconnect, device number 31 [ 131.717353][ T4755] usb 1-1: new high-speed USB device number 32 using dummy_hcd [ 131.728349][ T4401] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 131.735944][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 131.744041][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.754291][ T4401] Workqueue: usb_hub_wq hub_event [ 131.759968][ T4401] Call Trace: [ 131.763350][ T4401] dump_stack+0xfa/0x151 [ 131.768488][ T4401] sysfs_warn_dup.cold+0x1c/0x29 [ 131.773540][ T4401] sysfs_do_create_link_sd+0x11e/0x140 [ 131.779029][ T4401] sysfs_create_link+0x5f/0xc0 [ 131.784000][ T4401] device_add+0x789/0x1db0 [ 131.788432][ T4401] ? memset+0x20/0x40 [ 131.792414][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 131.798073][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 131.804568][ T4401] ? __init_waitqueue_head+0x6b/0xd0 [ 131.809903][ T4401] tty_register_device_attr+0x395/0x7b0 [ 131.815532][ T4401] ? send_break.part.0+0x300/0x300 [ 131.820812][ T4401] ? mark_held_locks+0x9f/0xe0 [ 131.825607][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 131.827517][ T4399] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 131.831071][ T4401] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 131.844510][ T4401] ? tty_port_register_device_attr+0xbc/0x110 [ 131.850613][ T4401] hso_serial_common_create+0x124/0x8b0 [ 131.856188][ T4401] ? kasan_unpoison+0x3a/0x60 [ 131.860882][ T4401] hso_probe+0xef9/0x1f70 [ 131.865229][ T4401] usb_probe_interface+0x315/0x7f0 [ 131.870465][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 131.875863][ T4401] really_probe+0x291/0xe60 [ 131.880734][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 131.887001][ T4401] driver_probe_device+0x26b/0x3d0 [ 131.892392][ T4401] __device_attach_driver+0x1d1/0x290 [ 131.897783][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 131.903801][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 131.910057][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 131.915119][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 131.921116][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 131.926163][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 131.931990][ T4401] __device_attach+0x228/0x4a0 [ 131.937204][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 131.943901][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 131.949232][ T4401] bus_probe_device+0x1e4/0x290 [ 131.954112][ T4401] device_add+0xbdb/0x1db0 [ 131.958544][ T4401] ? wait_for_completion_io+0x270/0x270 [ 131.964453][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 131.970735][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 131.976757][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 131.982690][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 131.989147][ T4401] usb_set_configuration+0x113f/0x1910 [ 131.994658][ T4401] usb_generic_driver_probe+0xba/0x100 [ 132.000135][ T4401] usb_probe_device+0xd9/0x2c0 [ 132.005017][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 132.011103][ T4401] really_probe+0x291/0xe60 [ 132.015660][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 132.022110][ T4401] driver_probe_device+0x26b/0x3d0 [ 132.027339][ T4401] __device_attach_driver+0x1d1/0x290 [ 132.032749][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 132.038936][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 132.043989][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 132.049204][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 132.055290][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 132.060621][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 132.066631][ T4401] __device_attach+0x228/0x4a0 [ 132.071422][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 132.077516][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 132.083713][ T4401] bus_probe_device+0x1e4/0x290 [ 132.088606][ T4401] device_add+0xbdb/0x1db0 [ 132.093046][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 132.099319][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 132.105600][ T4401] usb_new_device.cold+0x721/0x1058 [ 132.110825][ T4401] ? hub_disconnect+0x510/0x510 [ 132.115702][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 132.120665][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 132.126679][ T4401] hub_event+0x2357/0x4320 [ 132.131129][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 132.136276][ T4401] ? zap_class+0x5b0/0x9a0 [ 132.140813][ T4401] ? process_one_work+0x521/0x1580 [ 132.145950][ T4401] ? lock_release+0x6d0/0x6d0 [ 132.150651][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 132.155524][ T4401] ? do_raw_spin_lock+0x120/0x2b0 [ 132.160564][ T4401] ? lock_is_held_type+0x98/0x110 [ 132.165608][ T4401] process_one_work+0x98d/0x1580 [ 132.170582][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 132.175990][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 132.182255][ T4401] worker_thread+0x64c/0x1120 [ 132.187132][ T4401] ? process_one_work+0x1580/0x1580 [ 132.192544][ T4401] kthread+0x38c/0x460 [ 132.196642][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 132.201958][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 132.207110][ T4401] ret_from_fork+0x1f/0x30 [ 132.211567][ T4399] CPU: 0 PID: 4399 Comm: kworker/0:3 Not tainted 5.11.0-syzkaller #0 [ 132.219670][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.220187][ T17] hso 5-1:0.0: Failed to find BULK IN ep [ 132.229743][ T4399] Workqueue: usb_hub_wq hub_event [ 132.229780][ T4399] Call Trace: [ 132.229790][ T4399] dump_stack+0xfa/0x151 [ 132.229815][ T4399] sysfs_warn_dup.cold+0x1c/0x29 [ 132.229841][ T4399] sysfs_do_create_link_sd+0x11e/0x140 [ 132.229865][ T4399] sysfs_create_link+0x5f/0xc0 [ 132.229886][ T4399] device_add+0x789/0x1db0 [ 132.229907][ T4399] ? memset+0x20/0x40 [ 132.229929][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 132.229954][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 132.229975][ T4399] ? __init_waitqueue_head+0x6b/0xd0 [ 132.283214][ T4401] usb 3-1: USB disconnect, device number 31 [ 132.284059][ T4399] tty_register_device_attr+0x395/0x7b0 [ 132.284098][ T4399] ? send_break.part.0+0x300/0x300 [ 132.284124][ T4399] ? mark_held_locks+0x9f/0xe0 [ 132.310873][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 132.317178][ T4399] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 132.322895][ T4399] ? tty_port_register_device_attr+0xbc/0x110 [ 132.328976][ T4399] hso_serial_common_create+0x124/0x8b0 [ 132.334544][ T4399] ? kasan_unpoison+0x3a/0x60 [ 132.339254][ T4399] hso_probe+0xef9/0x1f70 [ 132.343599][ T4399] usb_probe_interface+0x315/0x7f0 [ 132.348966][ T4399] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 132.354347][ T4399] really_probe+0x291/0xe60 [ 132.358877][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 132.365118][ T4399] driver_probe_device+0x26b/0x3d0 [ 132.370262][ T4399] __device_attach_driver+0x1d1/0x290 [ 132.375656][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 132.381719][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 132.386590][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 132.391680][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 132.397773][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 132.402906][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 executing program [ 132.408737][ T4399] __device_attach+0x228/0x4a0 [ 132.413623][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 132.419810][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 132.425217][ T4399] bus_probe_device+0x1e4/0x290 [ 132.430074][ T4399] device_add+0xbdb/0x1db0 [ 132.434492][ T4399] ? wait_for_completion_io+0x270/0x270 [ 132.440031][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 132.446272][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 132.452288][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 132.458192][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 132.464600][ T4399] usb_set_configuration+0x113f/0x1910 [ 132.470250][ T4399] usb_generic_driver_probe+0xba/0x100 [ 132.475715][ T4399] usb_probe_device+0xd9/0x2c0 [ 132.480474][ T4399] ? usb_driver_release_interface+0x180/0x180 [ 132.486557][ T4399] really_probe+0x291/0xe60 [ 132.491085][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 132.497621][ T4399] driver_probe_device+0x26b/0x3d0 [ 132.503280][ T4399] __device_attach_driver+0x1d1/0x290 [ 132.508758][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 132.515863][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 132.520860][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 132.526006][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 132.532096][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 132.537121][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 132.543124][ T4399] __device_attach+0x228/0x4a0 [ 132.547990][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 132.554062][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 132.559454][ T4399] bus_probe_device+0x1e4/0x290 [ 132.564551][ T4399] device_add+0xbdb/0x1db0 [ 132.569085][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 132.575353][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 132.581825][ T4399] usb_new_device.cold+0x721/0x1058 [ 132.587494][ T4399] ? hub_disconnect+0x510/0x510 [ 132.592460][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 132.597403][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 132.603487][ T4399] hub_event+0x2357/0x4320 [ 132.607941][ T4399] ? hub_port_debounce+0x3c0/0x3c0 [ 132.613055][ T4399] ? zap_class+0x5b0/0x9a0 [ 132.617484][ T4399] ? process_one_work+0x521/0x1580 [ 132.622624][ T4399] ? lock_release+0x6d0/0x6d0 [ 132.627559][ T4399] ? lock_downgrade+0x6d0/0x6d0 [ 132.632608][ T4399] ? do_raw_spin_lock+0x120/0x2b0 [ 132.637632][ T4399] ? lock_is_held_type+0x98/0x110 [ 132.642771][ T4399] process_one_work+0x98d/0x1580 [ 132.647715][ T4399] ? pwq_dec_nr_in_flight+0x320/0x320 [ 132.653091][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 132.658062][ T4399] worker_thread+0x64c/0x1120 executing program executing program [ 132.662854][ T4399] ? __kthread_parkme+0x118/0x1d0 [ 132.667883][ T4399] ? process_one_work+0x1580/0x1580 [ 132.673112][ T4399] kthread+0x38c/0x460 [ 132.677177][ T4399] ? _raw_spin_unlock_irq+0x1f/0x30 [ 132.682579][ T4399] ? __kthread_bind_mask+0xc0/0xc0 [ 132.689062][ T4399] ret_from_fork+0x1f/0x30 [ 132.704125][ T17] usb 5-1: USB disconnect, device number 32 [ 132.747033][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 132.798817][ T4399] usb 2-1: USB disconnect, device number 32 [ 132.817353][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 132.877222][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 132.886484][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 132.898053][ T32] usb 4-1: config 0 descriptor?? [ 132.937220][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 132.946593][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 132.954780][ T2633] usb 6-1: new high-speed USB device number 32 using dummy_hcd [ 132.970195][ T4755] usb 1-1: config 0 descriptor?? [ 133.087058][ T17] usb 5-1: new high-speed USB device number 33 using dummy_hcd [ 133.127132][ T4401] usb 3-1: new high-speed USB device number 32 using dummy_hcd [ 133.157924][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 133.177118][ T4399] usb 2-1: new high-speed USB device number 33 using dummy_hcd [ 133.197174][ T2633] usb 6-1: Using ep0 maxpacket: 8 [ 133.228031][ T4755] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 133.317128][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 133.326515][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 133.340559][ T2633] usb 6-1: config 0 descriptor?? [ 133.347118][ T17] usb 5-1: Using ep0 maxpacket: 8 [ 133.359513][ T32] usb 4-1: USB disconnect, device number 32 executing program [ 133.397611][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 133.417044][ T4399] usb 2-1: Using ep0 maxpacket: 8 [ 133.429598][ T4755] usb 1-1: USB disconnect, device number 32 [ 133.507286][ T17] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 133.516645][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 133.530764][ T17] usb 5-1: config 0 descriptor?? [ 133.537707][ T4399] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 133.547051][ T4399] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 133.558770][ T4399] usb 2-1: config 0 descriptor?? [ 133.563095][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 133.573005][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 133.587993][ T4401] usb 3-1: config 0 descriptor?? [ 133.601000][ T2633] hso 6-1:0.0: Failed to find BULK IN ep executing program [ 133.787829][ T17] hso 5-1:0.0: Failed to find BULK IN ep [ 133.797286][ T4755] usb 1-1: new high-speed USB device number 33 using dummy_hcd [ 133.801494][ T32] usb 4-1: new high-speed USB device number 33 using dummy_hcd [ 133.818351][ T4399] hso 2-1:0.0: Failed to find BULK IN ep [ 133.824514][ T17] usb 6-1: USB disconnect, device number 32 [ 133.838944][ T4401] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 133.988988][ T4399] usb 5-1: USB disconnect, device number 33 [ 134.020648][ T2633] usb 2-1: USB disconnect, device number 33 executing program executing program [ 134.041439][ T4628] usb 3-1: USB disconnect, device number 32 [ 134.048035][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 134.063106][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 134.167193][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 134.176323][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.186563][ T4755] usb 1-1: config 0 descriptor?? [ 134.197114][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 134.207079][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.220830][ T32] usb 4-1: config 0 descriptor?? [ 134.237189][ T17] usb 6-1: new high-speed USB device number 33 using dummy_hcd [ 134.397026][ T4399] usb 5-1: new high-speed USB device number 34 using dummy_hcd [ 134.407899][ T4628] usb 3-1: new high-speed USB device number 33 using dummy_hcd [ 134.437111][ T2633] usb 2-1: new high-speed USB device number 34 using dummy_hcd [ 134.448769][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 134.478786][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 134.487299][ T17] usb 6-1: Using ep0 maxpacket: 8 executing program [ 134.637052][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 134.648099][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 134.649313][ T32] usb 1-1: USB disconnect, device number 33 [ 134.659440][ T17] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 134.668571][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.677489][ T2633] usb 2-1: Using ep0 maxpacket: 8 executing program [ 134.682746][ T4401] usb 4-1: USB disconnect, device number 33 [ 134.692756][ T17] usb 6-1: config 0 descriptor?? [ 134.757268][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 134.767711][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.776879][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 134.789043][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.805997][ T4399] usb 5-1: config 0 descriptor?? [ 134.828423][ T4628] usb 3-1: config 0 descriptor?? [ 134.837108][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 134.846481][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.870524][ T2633] usb 2-1: config 0 descriptor?? [ 134.998104][ T17] hso 6-1:0.0: Failed to find BULK IN ep [ 135.067044][ T32] usb 1-1: new high-speed USB device number 34 using dummy_hcd [ 135.068391][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 135.087042][ T4401] usb 4-1: new high-speed USB device number 34 using dummy_hcd [ 135.089412][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 135.134763][ T2633] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 135.206319][ T17] usb 6-1: USB disconnect, device number 33 executing program executing program [ 135.269710][ T2633] usb 5-1: USB disconnect, device number 34 [ 135.290196][ T4628] usb 3-1: USB disconnect, device number 33 executing program [ 135.327470][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 135.338695][ T1551] usb 2-1: USB disconnect, device number 34 [ 135.351234][ T4401] usb 4-1: Using ep0 maxpacket: 8 [ 135.457206][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 135.466653][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 135.479715][ T32] usb 1-1: config 0 descriptor?? [ 135.489471][ T4401] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 135.498825][ T4401] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 135.523408][ T4401] usb 4-1: config 0 descriptor?? [ 135.597184][ T17] usb 6-1: new high-speed USB device number 34 using dummy_hcd [ 135.677135][ T2633] usb 5-1: new high-speed USB device number 35 using dummy_hcd [ 135.697206][ T4628] usb 3-1: new high-speed USB device number 34 using dummy_hcd [ 135.748073][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 135.777025][ T1551] usb 2-1: new high-speed USB device number 35 using dummy_hcd [ 135.790087][ T4401] hso 4-1:0.0: Failed to find BULK IN ep [ 135.887004][ T17] usb 6-1: Using ep0 maxpacket: 8 [ 135.917064][ T2633] usb 5-1: Using ep0 maxpacket: 8 executing program [ 135.937208][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 135.949110][ T4399] usb 1-1: USB disconnect, device number 34 executing program [ 135.988747][ T4755] usb 4-1: USB disconnect, device number 34 [ 136.017423][ T17] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 136.026523][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.037398][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 136.044624][ T17] usb 6-1: config 0 descriptor?? [ 136.046665][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.052344][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 136.064084][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 136.077972][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.097707][ T4628] usb 3-1: config 0 descriptor?? [ 136.103941][ T2633] usb 5-1: config 0 descriptor?? [ 136.227147][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 136.241538][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.254305][ T1551] usb 2-1: config 0 descriptor?? [ 136.327125][ T4399] usb 1-1: new high-speed USB device number 35 using dummy_hcd [ 136.338893][ T17] hso 6-1:0.0: Failed to find BULK IN ep [ 136.358204][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 136.377849][ T4755] usb 4-1: new high-speed USB device number 35 using dummy_hcd [ 136.385994][ T2633] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 136.528493][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 136.541621][ T1551] usb 6-1: USB disconnect, device number 34 [ 136.566718][ T17] usb 3-1: USB disconnect, device number 34 [ 136.567089][ T4399] usb 1-1: Using ep0 maxpacket: 8 executing program executing program [ 136.587722][ T4401] usb 5-1: USB disconnect, device number 35 [ 136.627536][ T4755] usb 4-1: Using ep0 maxpacket: 8 executing program [ 136.728371][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 136.737796][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.747221][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 136.757291][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.786169][ T4399] usb 1-1: config 0 descriptor?? [ 136.792663][ T2633] usb 2-1: USB disconnect, device number 35 [ 136.806489][ T4755] usb 4-1: config 0 descriptor?? [ 136.937074][ T1551] usb 6-1: new high-speed USB device number 35 using dummy_hcd [ 136.997140][ T4401] usb 5-1: new high-speed USB device number 36 using dummy_hcd [ 137.027162][ T17] usb 3-1: new high-speed USB device number 35 using dummy_hcd [ 137.048062][ T4399] hso 1-1:0.0: Failed to find BULK IN ep [ 137.078440][ T4755] hso 4-1:0.0: Failed to find BULK IN ep [ 137.167251][ T2633] usb 2-1: new high-speed USB device number 36 using dummy_hcd [ 137.207241][ T1551] usb 6-1: Using ep0 maxpacket: 8 executing program executing program [ 137.248809][ T32] usb 1-1: USB disconnect, device number 35 [ 137.261005][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 137.277156][ T17] usb 3-1: Using ep0 maxpacket: 8 [ 137.284395][ T4407] usb 4-1: USB disconnect, device number 35 [ 137.327291][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 137.336820][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.349843][ T1551] usb 6-1: config 0 descriptor?? [ 137.397260][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 137.406633][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.407217][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 137.415178][ T17] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 137.428904][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.446445][ T17] usb 3-1: config 0 descriptor?? [ 137.462037][ T4401] usb 5-1: config 0 descriptor?? [ 137.537604][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 137.547046][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.569068][ T2633] usb 2-1: config 0 descriptor?? [ 137.619560][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 137.697092][ T32] usb 1-1: new high-speed USB device number 36 using dummy_hcd [ 137.705303][ T4407] usb 4-1: new high-speed USB device number 36 using dummy_hcd [ 137.728150][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 137.735817][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 [ 137.743923][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.753986][ T17] Workqueue: usb_hub_wq hub_event [ 137.759025][ T17] Call Trace: [ 137.762482][ T17] dump_stack+0xfa/0x151 [ 137.766868][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 137.772162][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 137.778713][ T17] sysfs_create_link+0x5f/0xc0 [ 137.785456][ T17] device_add+0x789/0x1db0 [ 137.789879][ T17] ? memset+0x20/0x40 [ 137.793932][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 137.799454][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 137.805724][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 137.811026][ T17] tty_register_device_attr+0x395/0x7b0 [ 137.816665][ T17] ? send_break.part.0+0x300/0x300 [ 137.819314][ T4755] usb 6-1: USB disconnect, device number 35 [ 137.821786][ T17] ? mark_held_locks+0x9f/0xe0 [ 137.828221][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 137.832667][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 137.845588][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 137.851333][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 137.857462][ T17] hso_serial_common_create+0x124/0x8b0 [ 137.863084][ T17] ? kasan_unpoison+0x3a/0x60 [ 137.867792][ T17] hso_probe+0xef9/0x1f70 [ 137.872158][ T17] usb_probe_interface+0x315/0x7f0 [ 137.877300][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 137.882785][ T17] really_probe+0x291/0xe60 [ 137.887312][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 137.893673][ T17] driver_probe_device+0x26b/0x3d0 [ 137.898838][ T17] __device_attach_driver+0x1d1/0x290 [ 137.904262][ T17] ? driver_allows_async_probing+0x150/0x150 [ 137.910273][ T17] bus_for_each_drv+0x15f/0x1e0 [ 137.915174][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 137.920231][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 137.926243][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 137.931296][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 137.937140][ T17] __device_attach+0x228/0x4a0 [ 137.941941][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 137.948111][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 137.955382][ T17] bus_probe_device+0x1e4/0x290 [ 137.960277][ T17] device_add+0xbdb/0x1db0 [ 137.965086][ T17] ? wait_for_completion_io+0x270/0x270 [ 137.971324][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 137.977764][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 137.984864][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 137.990747][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 137.997107][ T17] usb_set_configuration+0x113f/0x1910 [ 138.002603][ T17] usb_generic_driver_probe+0xba/0x100 [ 138.008180][ T17] usb_probe_device+0xd9/0x2c0 [ 138.013080][ T17] ? usb_driver_release_interface+0x180/0x180 [ 138.019180][ T17] really_probe+0x291/0xe60 [ 138.023715][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 138.030102][ T17] driver_probe_device+0x26b/0x3d0 [ 138.035268][ T17] __device_attach_driver+0x1d1/0x290 [ 138.040874][ T17] ? driver_allows_async_probing+0x150/0x150 [ 138.047300][ T17] bus_for_each_drv+0x15f/0x1e0 [ 138.052185][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 138.057411][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 138.063469][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 138.068565][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 138.074662][ T17] __device_attach+0x228/0x4a0 [ 138.079452][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 138.085550][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 138.090877][ T17] bus_probe_device+0x1e4/0x290 [ 138.095763][ T17] device_add+0xbdb/0x1db0 [ 138.100248][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 138.114091][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 138.121387][ T17] usb_new_device.cold+0x721/0x1058 [ 138.126635][ T17] ? hub_disconnect+0x510/0x510 [ 138.131876][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 138.137086][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 138.144236][ T17] hub_event+0x2357/0x4320 [ 138.148694][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 138.153954][ T17] ? zap_class+0x5b0/0x9a0 [ 138.158950][ T17] ? process_one_work+0x521/0x1580 [ 138.164283][ T17] ? lock_release+0x6d0/0x6d0 [ 138.178828][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 138.188173][ T17] ? do_raw_spin_lock+0x120/0x2b0 [ 138.193416][ T17] ? lock_is_held_type+0x98/0x110 [ 138.200494][ T17] process_one_work+0x98d/0x1580 [ 138.205471][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 138.210876][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 138.215928][ T17] worker_thread+0x64c/0x1120 [ 138.220634][ T17] ? process_one_work+0x1580/0x1580 [ 138.225868][ T17] kthread+0x38c/0x460 [ 138.229973][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 138.235191][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 138.240343][ T17] ret_from_fork+0x1f/0x30 [ 138.244800][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 138.250426][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 138.253418][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.270429][ T2633] Workqueue: usb_hub_wq hub_event [ 138.275895][ T2633] Call Trace: [ 138.279364][ T2633] dump_stack+0xfa/0x151 [ 138.283955][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 138.289455][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 138.294275][ T4401] usb 5-1: USB disconnect, device number 36 [ 138.294934][ T2633] sysfs_create_link+0x5f/0xc0 [ 138.317287][ T2633] device_add+0x789/0x1db0 [ 138.321763][ T2633] ? memset+0x20/0x40 [ 138.325769][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 138.331257][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 138.337870][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 138.343188][ T2633] tty_register_device_attr+0x395/0x7b0 [ 138.349413][ T2633] ? send_break.part.0+0x300/0x300 [ 138.354920][ T2633] ? mark_held_locks+0x9f/0xe0 [ 138.359717][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 138.365556][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 138.372025][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 138.378409][ T2633] hso_serial_common_create+0x124/0x8b0 [ 138.383994][ T2633] ? kasan_unpoison+0x3a/0x60 [ 138.388713][ T2633] hso_probe+0xef9/0x1f70 [ 138.393189][ T2633] usb_probe_interface+0x315/0x7f0 [ 138.398426][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 138.403841][ T2633] really_probe+0x291/0xe60 executing program [ 138.407380][ T17] usb 3-1: USB disconnect, device number 35 [ 138.408374][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 138.408406][ T2633] driver_probe_device+0x26b/0x3d0 [ 138.426357][ T2633] __device_attach_driver+0x1d1/0x290 [ 138.432037][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 138.438043][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 138.442952][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 138.447980][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 138.454016][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 138.459098][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 138.464933][ T2633] __device_attach+0x228/0x4a0 [ 138.469814][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 138.475915][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 138.481230][ T2633] bus_probe_device+0x1e4/0x290 [ 138.486099][ T2633] device_add+0xbdb/0x1db0 [ 138.490773][ T2633] ? wait_for_completion_io+0x270/0x270 [ 138.496513][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 138.502784][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 138.508787][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 138.514718][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 138.521066][ T2633] usb_set_configuration+0x113f/0x1910 [ 138.526528][ T2633] usb_generic_driver_probe+0xba/0x100 [ 138.532019][ T2633] usb_probe_device+0xd9/0x2c0 [ 138.536889][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 138.543322][ T2633] really_probe+0x291/0xe60 [ 138.548040][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 138.554550][ T2633] driver_probe_device+0x26b/0x3d0 [ 138.559775][ T2633] __device_attach_driver+0x1d1/0x290 [ 138.565386][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 138.571403][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 138.578098][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 138.583148][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 138.589399][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 138.594564][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 138.600379][ T2633] __device_attach+0x228/0x4a0 [ 138.605165][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 138.611489][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 138.617040][ T2633] bus_probe_device+0x1e4/0x290 [ 138.621920][ T2633] device_add+0xbdb/0x1db0 [ 138.626356][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 138.632686][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 138.639650][ T2633] usb_new_device.cold+0x721/0x1058 [ 138.644854][ T2633] ? hub_disconnect+0x510/0x510 [ 138.649723][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 138.654995][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 138.661083][ T2633] hub_event+0x2357/0x4320 [ 138.665505][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 138.670640][ T2633] ? zap_class+0x5b1/0x9a0 [ 138.675183][ T2633] ? process_one_work+0x521/0x1580 [ 138.680317][ T2633] ? lock_release+0x6d0/0x6d0 [ 138.685004][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 138.689885][ T2633] ? do_raw_spin_lock+0x120/0x2b0 [ 138.695038][ T2633] ? lock_is_held_type+0x98/0x110 [ 138.700061][ T2633] process_one_work+0x98d/0x1580 [ 138.705019][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 executing program executing program executing program [ 138.710915][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 138.715864][ T2633] worker_thread+0x64c/0x1120 [ 138.720669][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 138.725752][ T2633] ? process_one_work+0x1580/0x1580 [ 138.731201][ T2633] kthread+0x38c/0x460 [ 138.735409][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 138.740609][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 138.745733][ T2633] ret_from_fork+0x1f/0x30 [ 138.821005][ T2633] usb 2-1: USB disconnect, device number 36 [ 138.897051][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 138.902431][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 139.048316][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 139.058038][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.066144][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 139.075378][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.086062][ T4407] usb 4-1: config 0 descriptor?? [ 139.091763][ T32] usb 1-1: config 0 descriptor?? [ 139.157061][ T4755] usb 6-1: new high-speed USB device number 36 using dummy_hcd [ 139.187119][ T2633] usb 2-1: new high-speed USB device number 37 using dummy_hcd [ 139.207216][ T17] usb 3-1: new high-speed USB device number 36 using dummy_hcd [ 139.214932][ T4401] usb 5-1: new high-speed USB device number 37 using dummy_hcd [ 139.338042][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 139.368275][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 139.397258][ T4755] usb 6-1: Using ep0 maxpacket: 8 [ 139.427080][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 139.467052][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 139.472627][ T17] usb 3-1: Using ep0 maxpacket: 8 [ 139.517145][ T4755] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 139.526257][ T4755] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.538906][ T4755] usb 6-1: config 0 descriptor?? [ 139.545652][ T4399] usb 1-1: USB disconnect, device number 36 [ 139.557162][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program executing program [ 139.566246][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.610921][ T2633] usb 2-1: config 0 descriptor?? [ 139.625012][ T4628] usb 4-1: USB disconnect, device number 36 [ 139.641799][ T17] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 139.655137][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.664016][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 139.673997][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.692114][ T4401] usb 5-1: config 0 descriptor?? [ 139.700430][ T17] usb 3-1: config 0 descriptor?? [ 139.798299][ T4755] hso 6-1:0.0: Failed to find BULK IN ep [ 139.877931][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 139.967894][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 139.975681][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 [ 139.977063][ T4399] usb 1-1: new high-speed USB device number 37 using dummy_hcd [ 139.983568][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.983587][ T17] Workqueue: usb_hub_wq hub_event [ 139.983622][ T17] Call Trace: [ 139.983633][ T17] dump_stack+0xfa/0x151 [ 140.000232][ T4628] usb 4-1: new high-speed USB device number 37 using dummy_hcd [ 140.001922][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 140.027952][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 140.033808][ T17] sysfs_create_link+0x5f/0xc0 [ 140.038889][ T17] device_add+0x789/0x1db0 [ 140.043414][ T17] ? memset+0x20/0x40 [ 140.047977][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 140.053440][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 140.059687][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 140.065121][ T17] tty_register_device_attr+0x395/0x7b0 [ 140.070767][ T17] ? send_break.part.0+0x300/0x300 [ 140.076068][ T17] ? mark_held_locks+0x9f/0xe0 [ 140.081186][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 140.083098][ T2633] usb 2-1: USB disconnect, device number 37 [ 140.086760][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 140.098395][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 140.104519][ T17] hso_serial_common_create+0x124/0x8b0 [ 140.110117][ T17] ? kasan_unpoison+0x3a/0x60 executing program [ 140.114822][ T17] hso_probe+0xef9/0x1f70 [ 140.119272][ T17] usb_probe_interface+0x315/0x7f0 [ 140.124535][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 140.130720][ T17] really_probe+0x291/0xe60 [ 140.135460][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 140.141832][ T17] driver_probe_device+0x26b/0x3d0 [ 140.146984][ T17] __device_attach_driver+0x1d1/0x290 [ 140.152385][ T17] ? driver_allows_async_probing+0x150/0x150 [ 140.158568][ T17] bus_for_each_drv+0x15f/0x1e0 [ 140.163539][ T17] ? bus_for_each_dev+0x1d0/0x1d0 executing program executing program [ 140.168590][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 140.174966][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 140.180222][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 140.186932][ T17] __device_attach+0x228/0x4a0 [ 140.191812][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 140.198350][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 140.204548][ T17] bus_probe_device+0x1e4/0x290 [ 140.209427][ T17] device_add+0xbdb/0x1db0 [ 140.213889][ T17] ? wait_for_completion_io+0x270/0x270 [ 140.219458][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 140.225731][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 140.227192][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 140.231742][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 140.231776][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 140.231802][ T17] usb_set_configuration+0x113f/0x1910 [ 140.231829][ T17] usb_generic_driver_probe+0xba/0x100 [ 140.247069][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 140.248882][ T17] usb_probe_device+0xd9/0x2c0 [ 140.248916][ T17] ? usb_driver_release_interface+0x180/0x180 [ 140.248944][ T17] really_probe+0x291/0xe60 [ 140.248968][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 140.288530][ T17] driver_probe_device+0x26b/0x3d0 [ 140.293766][ T17] __device_attach_driver+0x1d1/0x290 [ 140.299171][ T17] ? driver_allows_async_probing+0x150/0x150 [ 140.305173][ T17] bus_for_each_drv+0x15f/0x1e0 [ 140.310143][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 140.315193][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 140.321271][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 140.326320][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 140.332139][ T17] __device_attach+0x228/0x4a0 [ 140.336987][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 140.343301][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 140.348616][ T17] bus_probe_device+0x1e4/0x290 [ 140.353458][ T17] device_add+0xbdb/0x1db0 [ 140.357123][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 140.357880][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 140.357911][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 140.367194][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 140.373302][ T17] usb_new_device.cold+0x721/0x1058 [ 140.386151][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 140.387721][ T17] ? hub_disconnect+0x510/0x510 [ 140.387755][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 140.387783][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 140.392986][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 140.401987][ T17] hub_event+0x2357/0x4320 [ 140.402025][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 140.402050][ T17] ? zap_class+0x5b0/0x9a0 [ 140.402071][ T17] ? process_one_work+0x521/0x1580 [ 140.418481][ T4628] usb 4-1: config 0 descriptor?? [ 140.425810][ T17] ? lock_release+0x6d0/0x6d0 [ 140.425843][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 140.425867][ T17] ? do_raw_spin_lock+0x120/0x2b0 [ 140.425899][ T17] ? lock_is_held_type+0x98/0x110 [ 140.436589][ T4399] usb 1-1: config 0 descriptor?? [ 140.440081][ T17] process_one_work+0x98d/0x1580 [ 140.440118][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 140.440144][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 140.440172][ T17] worker_thread+0x82b/0x1120 [ 140.440199][ T17] ? process_one_work+0x1580/0x1580 [ 140.440223][ T17] kthread+0x38c/0x460 [ 140.505435][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 140.510697][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 140.515872][ T17] ret_from_fork+0x1f/0x30 executing program [ 140.522883][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 140.536894][ T4401] usb 5-1: USB disconnect, device number 37 [ 140.550525][ T17] usb 3-1: USB disconnect, device number 36 [ 140.557201][ T2633] usb 2-1: new high-speed USB device number 38 using dummy_hcd [ 140.562057][ T4407] usb 6-1: USB disconnect, device number 36 [ 140.708081][ T4399] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 140.716141][ T4399] CPU: 0 PID: 4399 Comm: kworker/0:3 Not tainted 5.11.0-syzkaller #0 [ 140.724211][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.734529][ T4399] Workqueue: usb_hub_wq hub_event [ 140.739565][ T4399] Call Trace: [ 140.742858][ T4399] dump_stack+0xfa/0x151 [ 140.747122][ T4399] sysfs_warn_dup.cold+0x1c/0x29 [ 140.752081][ T4399] sysfs_do_create_link_sd+0x11e/0x140 [ 140.757645][ T4399] sysfs_create_link+0x5f/0xc0 [ 140.762403][ T4399] device_add+0x789/0x1db0 [ 140.766817][ T4399] ? memset+0x20/0x40 [ 140.770800][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 140.776297][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 140.782531][ T4399] ? __init_waitqueue_head+0x6b/0xd0 [ 140.787849][ T4399] tty_register_device_attr+0x395/0x7b0 [ 140.793418][ T4399] ? send_break.part.0+0x300/0x300 [ 140.798534][ T4399] ? mark_held_locks+0x9f/0xe0 [ 140.803313][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 140.808793][ T4399] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 140.815143][ T4399] ? tty_port_register_device_attr+0xbc/0x110 [ 140.821236][ T4399] hso_serial_common_create+0x124/0x8b0 [ 140.826780][ T4399] ? kasan_unpoison+0x3a/0x60 [ 140.831466][ T4399] hso_probe+0xef9/0x1f70 [ 140.835861][ T4399] usb_probe_interface+0x315/0x7f0 [ 140.841131][ T4399] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 140.848085][ T4399] really_probe+0x291/0xe60 [ 140.852585][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 140.858823][ T4399] driver_probe_device+0x26b/0x3d0 [ 140.864056][ T4399] __device_attach_driver+0x1d1/0x290 [ 140.869453][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 140.875632][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 140.883394][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 140.888419][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 140.894406][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 140.899441][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 140.905293][ T4399] __device_attach+0x228/0x4a0 [ 140.910072][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 140.916135][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 140.921418][ T4399] bus_probe_device+0x1e4/0x290 [ 140.926441][ T4399] device_add+0xbdb/0x1db0 [ 140.930858][ T4399] ? wait_for_completion_io+0x270/0x270 [ 140.936401][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 140.942770][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 140.948839][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 140.955112][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 140.961372][ T4399] usb_set_configuration+0x113f/0x1910 [ 140.966835][ T4399] usb_generic_driver_probe+0xba/0x100 [ 140.972546][ T4399] usb_probe_device+0xd9/0x2c0 [ 140.977681][ T4399] ? usb_driver_release_interface+0x180/0x180 [ 140.983845][ T4399] really_probe+0x291/0xe60 [ 140.988418][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 140.994672][ T4399] driver_probe_device+0x26b/0x3d0 [ 140.999957][ T4399] __device_attach_driver+0x1d1/0x290 [ 141.005341][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 141.011326][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 141.016170][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 141.021366][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 141.027428][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 141.032495][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 141.038311][ T4399] __device_attach+0x228/0x4a0 [ 141.043295][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 141.049491][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 141.054779][ T4399] bus_probe_device+0x1e4/0x290 [ 141.059660][ T4399] device_add+0xbdb/0x1db0 [ 141.064332][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 141.071115][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 141.077460][ T4399] usb_new_device.cold+0x721/0x1058 [ 141.082669][ T4399] ? hub_disconnect+0x510/0x510 [ 141.087547][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 141.092557][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 141.098558][ T4399] hub_event+0x2357/0x4320 [ 141.102975][ T4399] ? hub_port_debounce+0x3c0/0x3c0 [ 141.108089][ T4399] ? zap_class+0x5b0/0x9a0 [ 141.113846][ T4399] ? process_one_work+0x521/0x1580 [ 141.119242][ T4399] ? lock_release+0x6d0/0x6d0 [ 141.123942][ T4399] ? lock_downgrade+0x6d0/0x6d0 [ 141.128826][ T4399] ? do_raw_spin_lock+0x120/0x2b0 [ 141.133952][ T4399] ? lock_is_held_type+0x98/0x110 [ 141.139082][ T4399] process_one_work+0x98d/0x1580 [ 141.144018][ T4399] ? pwq_dec_nr_in_flight+0x320/0x320 [ 141.149401][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 141.154424][ T4399] worker_thread+0x64c/0x1120 executing program executing program [ 141.159987][ T4399] ? __kthread_parkme+0x118/0x1d0 [ 141.165061][ T4399] ? process_one_work+0x1580/0x1580 [ 141.170260][ T4399] kthread+0x38c/0x460 [ 141.174334][ T4399] ? _raw_spin_unlock_irq+0x1f/0x30 [ 141.179554][ T4399] ? __kthread_bind_mask+0xc0/0xc0 [ 141.184689][ T4399] ret_from_fork+0x1f/0x30 [ 141.197395][ T4628] hso 4-1:0.0: Failed to find BULK IN ep [ 141.222226][ T4628] usb 4-1: USB disconnect, device number 37 [ 141.247064][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 141.258949][ T4399] usb 1-1: USB disconnect, device number 37 [ 141.277726][ T4401] usb 5-1: new high-speed USB device number 38 using dummy_hcd [ 141.367185][ T4407] usb 6-1: new high-speed USB device number 37 using dummy_hcd [ 141.367230][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 141.374934][ T17] usb 3-1: new high-speed USB device number 37 using dummy_hcd [ 141.383933][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 141.388582][ T2633] usb 2-1: config 0 descriptor?? [ 141.567049][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 141.587034][ T4628] usb 4-1: new high-speed USB device number 38 using dummy_hcd [ 141.627169][ T4399] usb 1-1: new high-speed USB device number 38 using dummy_hcd [ 141.637488][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 141.667289][ T17] usb 3-1: Using ep0 maxpacket: 8 [ 141.668251][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 141.717610][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 141.726870][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 141.738149][ T4401] usb 5-1: config 0 descriptor?? [ 141.787336][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 141.797130][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 141.808105][ T17] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 141.817415][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 141.828900][ T4407] usb 6-1: config 0 descriptor?? executing program [ 141.829574][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 141.836170][ T17] usb 3-1: config 0 descriptor?? [ 141.877058][ T2633] usb 2-1: USB disconnect, device number 38 [ 141.891210][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 141.967205][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 141.976729][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 141.987404][ T4628] usb 4-1: config 0 descriptor?? [ 142.017132][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 142.019123][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 142.026809][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 142.060013][ T4399] usb 1-1: config 0 descriptor?? [ 142.107991][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 142.115694][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 [ 142.123697][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.133799][ T17] Workqueue: usb_hub_wq hub_event [ 142.138864][ T17] Call Trace: [ 142.142158][ T17] dump_stack+0xfa/0x151 [ 142.146443][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 142.151437][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 142.156997][ T17] sysfs_create_link+0x5f/0xc0 [ 142.162146][ T17] device_add+0x789/0x1db0 [ 142.166559][ T17] ? memset+0x20/0x40 [ 142.170550][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 142.176098][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 142.182335][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 142.187661][ T17] tty_register_device_attr+0x395/0x7b0 [ 142.193249][ T17] ? send_break.part.0+0x300/0x300 [ 142.198389][ T17] ? mark_held_locks+0x9f/0xe0 [ 142.203207][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 142.208850][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 142.214776][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 142.220977][ T17] hso_serial_common_create+0x124/0x8b0 [ 142.226612][ T17] ? kasan_unpoison+0x3a/0x60 [ 142.231644][ T17] hso_probe+0xef9/0x1f70 [ 142.235995][ T17] usb_probe_interface+0x315/0x7f0 [ 142.241115][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 142.246504][ T17] really_probe+0x291/0xe60 [ 142.247425][ T4628] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 142.251014][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 142.251045][ T17] driver_probe_device+0x26b/0x3d0 [ 142.251070][ T17] __device_attach_driver+0x1d1/0x290 [ 142.251095][ T17] ? driver_allows_async_probing+0x150/0x150 [ 142.282789][ T17] bus_for_each_drv+0x15f/0x1e0 [ 142.287891][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 142.293127][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.299322][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 142.304536][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 142.310474][ T17] __device_attach+0x228/0x4a0 [ 142.315379][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 142.321485][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 142.326797][ T17] bus_probe_device+0x1e4/0x290 [ 142.331679][ T17] device_add+0xbdb/0x1db0 [ 142.336121][ T17] ? wait_for_completion_io+0x270/0x270 [ 142.341701][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 142.348398][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.354400][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 142.360250][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 142.366504][ T17] usb_set_configuration+0x113f/0x1910 [ 142.372008][ T17] usb_generic_driver_probe+0xba/0x100 [ 142.377491][ T17] usb_probe_device+0xd9/0x2c0 [ 142.382374][ T17] ? usb_driver_release_interface+0x180/0x180 [ 142.388546][ T17] really_probe+0x291/0xe60 [ 142.393074][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 142.399503][ T17] driver_probe_device+0x26b/0x3d0 [ 142.404810][ T17] __device_attach_driver+0x1d1/0x290 [ 142.410682][ T17] ? driver_allows_async_probing+0x150/0x150 [ 142.416682][ T17] bus_for_each_drv+0x15f/0x1e0 [ 142.421737][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 142.426777][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.432857][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 142.437909][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 142.443840][ T17] __device_attach+0x228/0x4a0 [ 142.448632][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 142.454835][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 142.460238][ T17] bus_probe_device+0x1e4/0x290 [ 142.465207][ T17] device_add+0xbdb/0x1db0 [ 142.469637][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 142.475909][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 142.482303][ T17] usb_new_device.cold+0x721/0x1058 [ 142.487521][ T17] ? hub_disconnect+0x510/0x510 [ 142.492575][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 142.497642][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.503659][ T17] hub_event+0x2357/0x4320 [ 142.508617][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 142.513837][ T17] ? zap_class+0x5b1/0x9a0 [ 142.518375][ T17] ? process_one_work+0x521/0x1580 [ 142.523686][ T17] ? lock_release+0x6d0/0x6d0 [ 142.528382][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 142.533255][ T17] ? do_raw_spin_lock+0x120/0x2b0 [ 142.538305][ T17] ? lock_is_held_type+0x98/0x110 [ 142.543356][ T17] process_one_work+0x98d/0x1580 [ 142.548328][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 142.553721][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 142.558691][ T17] worker_thread+0x82b/0x1120 [ 142.563410][ T17] ? process_one_work+0x1580/0x1580 [ 142.568629][ T17] kthread+0x38c/0x460 [ 142.572720][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 142.577937][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 142.583328][ T17] ret_from_fork+0x1f/0x30 [ 142.587773][ T4628] CPU: 0 PID: 4628 Comm: kworker/0:4 Not tainted 5.11.0-syzkaller #0 [ 142.595871][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.600021][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 142.605940][ T4628] Workqueue: usb_hub_wq hub_event [ 142.617524][ T4628] Call Trace: [ 142.620810][ T4628] dump_stack+0xfa/0x151 [ 142.625076][ T4628] sysfs_warn_dup.cold+0x1c/0x29 [ 142.630632][ T4628] sysfs_do_create_link_sd+0x11e/0x140 [ 142.636120][ T4628] sysfs_create_link+0x5f/0xc0 [ 142.640953][ T4628] device_add+0x789/0x1db0 [ 142.645490][ T4628] ? memset+0x20/0x40 [ 142.649622][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 142.655105][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 142.661634][ T4628] ? __init_waitqueue_head+0x6b/0xd0 [ 142.667045][ T4628] tty_register_device_attr+0x395/0x7b0 [ 142.672794][ T4628] ? send_break.part.0+0x300/0x300 [ 142.677921][ T4628] ? mark_held_locks+0x9f/0xe0 [ 142.682703][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 142.688286][ T4628] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 142.694038][ T4628] ? tty_port_register_device_attr+0xbc/0x110 [ 142.700322][ T4628] hso_serial_common_create+0x124/0x8b0 [ 142.706002][ T4628] ? kasan_unpoison+0x3a/0x60 [ 142.710798][ T4628] hso_probe+0xef9/0x1f70 [ 142.715175][ T4628] usb_probe_interface+0x315/0x7f0 [ 142.720317][ T4628] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 142.725732][ T4628] really_probe+0x291/0xe60 [ 142.730256][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 142.736661][ T4628] driver_probe_device+0x26b/0x3d0 [ 142.742057][ T4628] __device_attach_driver+0x1d1/0x290 [ 142.747466][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 142.753458][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 142.758406][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 142.763460][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.769453][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 142.774578][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 142.780403][ T4628] __device_attach+0x228/0x4a0 [ 142.785204][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 142.791418][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 142.796726][ T4628] bus_probe_device+0x1e4/0x290 [ 142.801598][ T4628] device_add+0xbdb/0x1db0 [ 142.806900][ T4628] ? wait_for_completion_io+0x270/0x270 [ 142.812473][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 142.819078][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.825074][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 142.830901][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 142.837159][ T4628] usb_set_configuration+0x113f/0x1910 [ 142.842661][ T4628] usb_generic_driver_probe+0xba/0x100 [ 142.848152][ T4628] usb_probe_device+0xd9/0x2c0 [ 142.852933][ T4628] ? usb_driver_release_interface+0x180/0x180 [ 142.859012][ T4628] really_probe+0x291/0xe60 [ 142.863543][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 142.869804][ T4628] driver_probe_device+0x26b/0x3d0 [ 142.875037][ T4628] __device_attach_driver+0x1d1/0x290 [ 142.880420][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 142.886413][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 142.891275][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 142.896308][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.902300][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 142.907338][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 142.913380][ T4628] __device_attach+0x228/0x4a0 [ 142.918183][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 142.924271][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 142.929773][ T4628] bus_probe_device+0x1e4/0x290 [ 142.934648][ T4628] device_add+0xbdb/0x1db0 [ 142.939109][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 142.945375][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 142.951637][ T4628] usb_new_device.cold+0x721/0x1058 [ 142.956863][ T4628] ? hub_disconnect+0x510/0x510 [ 142.961836][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 142.966983][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 142.973101][ T4628] hub_event+0x2357/0x4320 [ 142.977542][ T4628] ? hub_port_debounce+0x3c0/0x3c0 [ 142.982679][ T4628] ? zap_class+0x5b0/0x9a0 [ 142.987103][ T4628] ? process_one_work+0x521/0x1580 [ 142.992236][ T4628] ? lock_release+0x6d0/0x6d0 [ 142.997465][ T4628] ? lock_downgrade+0x6d0/0x6d0 [ 143.002331][ T4628] ? do_raw_spin_lock+0x120/0x2b0 [ 143.007470][ T4628] ? lock_is_held_type+0x98/0x110 [ 143.012521][ T4628] process_one_work+0x98d/0x1580 [ 143.017494][ T4628] ? pwq_dec_nr_in_flight+0x320/0x320 [ 143.022906][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 143.027861][ T4628] worker_thread+0x82b/0x1120 [ 143.032910][ T4628] ? __kthread_parkme+0x118/0x1d0 [ 143.039646][ T4628] ? process_one_work+0x1580/0x1580 [ 143.045063][ T4628] kthread+0x38c/0x460 [ 143.049492][ T4628] ? _raw_spin_unlock_irq+0x1f/0x30 [ 143.054710][ T4628] ? __kthread_bind_mask+0xc0/0xc0 [ 143.064815][ T4628] ret_from_fork+0x1f/0x30 [ 143.078418][ T4399] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 143.085947][ T4399] CPU: 0 PID: 4399 Comm: kworker/0:3 Not tainted 5.11.0-syzkaller #0 [ 143.091545][ T4407] usb 6-1: USB disconnect, device number 37 [ 143.094026][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.094052][ T4399] Workqueue: usb_hub_wq hub_event [ 143.094085][ T4399] Call Trace: [ 143.094095][ T4399] dump_stack+0xfa/0x151 [ 143.124609][ T4399] sysfs_warn_dup.cold+0x1c/0x29 [ 143.129573][ T4399] sysfs_do_create_link_sd+0x11e/0x140 [ 143.135063][ T4399] sysfs_create_link+0x5f/0xc0 [ 143.139855][ T4399] device_add+0x789/0x1db0 [ 143.145609][ T4399] ? memset+0x20/0x40 [ 143.149619][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 143.155106][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 143.161569][ T4399] ? __init_waitqueue_head+0x6b/0xd0 [ 143.166881][ T4399] tty_register_device_attr+0x395/0x7b0 [ 143.173410][ T4399] ? send_break.part.0+0x300/0x300 [ 143.178547][ T4399] ? mark_held_locks+0x9f/0xe0 [ 143.179107][ T17] usb 3-1: USB disconnect, device number 37 [ 143.183330][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 143.183361][ T4399] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 143.183386][ T4399] ? tty_port_register_device_attr+0xbc/0x110 [ 143.194215][ T4401] usb 5-1: USB disconnect, device number 38 [ 143.194936][ T4399] hso_serial_common_create+0x124/0x8b0 [ 143.218303][ T4399] ? kasan_unpoison+0x3a/0x60 [ 143.223520][ T4399] hso_probe+0xef9/0x1f70 [ 143.227856][ T4399] usb_probe_interface+0x315/0x7f0 [ 143.232965][ T4399] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 143.238430][ T4399] really_probe+0x291/0xe60 [ 143.242982][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 143.249462][ T4399] driver_probe_device+0x26b/0x3d0 [ 143.255027][ T4399] __device_attach_driver+0x1d1/0x290 [ 143.260605][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 143.266964][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 143.273146][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 143.278185][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 143.284163][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 143.289195][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 143.295453][ T4399] __device_attach+0x228/0x4a0 [ 143.300236][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 143.306459][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 143.311752][ T4399] bus_probe_device+0x1e4/0x290 [ 143.316821][ T4399] device_add+0xbdb/0x1db0 [ 143.321260][ T4399] ? wait_for_completion_io+0x270/0x270 [ 143.326803][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 143.333045][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 143.339058][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 143.344858][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 143.351095][ T4399] usb_set_configuration+0x113f/0x1910 [ 143.357465][ T4399] usb_generic_driver_probe+0xba/0x100 [ 143.362981][ T4399] usb_probe_device+0xd9/0x2c0 [ 143.367790][ T4399] ? usb_driver_release_interface+0x180/0x180 [ 143.373875][ T4399] really_probe+0x291/0xe60 [ 143.378513][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 143.384782][ T4399] driver_probe_device+0x26b/0x3d0 [ 143.389912][ T4399] __device_attach_driver+0x1d1/0x290 [ 143.395309][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 143.401304][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 143.406179][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 143.411235][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 143.417209][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 143.422226][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 143.428086][ T4399] __device_attach+0x228/0x4a0 [ 143.432853][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 143.439879][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 143.445258][ T4399] bus_probe_device+0x1e4/0x290 [ 143.450129][ T4399] device_add+0xbdb/0x1db0 [ 143.454562][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 143.460813][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 143.467062][ T4399] usb_new_device.cold+0x721/0x1058 [ 143.472285][ T4399] ? hub_disconnect+0x510/0x510 [ 143.477133][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 143.482083][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 143.488063][ T4399] hub_event+0x2357/0x4320 [ 143.492630][ T4399] ? hub_port_debounce+0x3c0/0x3c0 [ 143.497781][ T4399] ? zap_class+0x5b1/0x9a0 [ 143.502313][ T4399] ? process_one_work+0x521/0x1580 [ 143.507471][ T4399] ? lock_release+0x6d0/0x6d0 [ 143.512162][ T4399] ? lock_downgrade+0x6d0/0x6d0 [ 143.518050][ T4399] ? do_raw_spin_lock+0x120/0x2b0 [ 143.523096][ T4399] ? lock_is_held_type+0x98/0x110 [ 143.528225][ T4399] process_one_work+0x98d/0x1580 [ 143.533213][ T4399] ? pwq_dec_nr_in_flight+0x320/0x320 [ 143.538739][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 143.543695][ T4399] worker_thread+0x82b/0x1120 [ 143.548367][ T4399] ? __kthread_parkme+0x118/0x1d0 [ 143.553531][ T4399] ? process_one_work+0x1580/0x1580 [ 143.558843][ T4399] kthread+0x38c/0x460 executing program executing program executing program executing program executing program [ 143.563046][ T4399] ? _raw_spin_unlock_irq+0x1f/0x30 [ 143.568252][ T4399] ? __kthread_bind_mask+0xc0/0xc0 [ 143.573413][ T4399] ret_from_fork+0x1f/0x30 [ 143.582473][ T2633] usb 2-1: new high-speed USB device number 39 using dummy_hcd [ 143.728951][ T4399] usb 1-1: USB disconnect, device number 38 [ 143.770637][ T4628] usb 4-1: USB disconnect, device number 38 [ 143.847354][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 143.947041][ T4407] usb 6-1: new high-speed USB device number 38 using dummy_hcd [ 143.967268][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 143.976726][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 143.988168][ T2633] usb 2-1: config 0 descriptor?? [ 144.007211][ T17] usb 3-1: new high-speed USB device number 38 using dummy_hcd [ 144.014916][ T4401] usb 5-1: new high-speed USB device number 39 using dummy_hcd [ 144.097066][ T4399] usb 1-1: new high-speed USB device number 39 using dummy_hcd [ 144.127097][ T4628] usb 4-1: new high-speed USB device number 39 using dummy_hcd [ 144.217101][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 144.248638][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 144.277100][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 144.282273][ T17] usb 3-1: Using ep0 maxpacket: 8 [ 144.337314][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 144.357523][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 144.367036][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 144.367062][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 144.378250][ T4407] usb 6-1: config 0 descriptor?? [ 144.427492][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 144.436776][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 144.444922][ T17] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 144.449440][ T2633] usb 2-1: USB disconnect, device number 39 [ 144.454041][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 144.467347][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 144.477631][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 144.486837][ T4401] usb 5-1: config 0 descriptor?? [ 144.509876][ T4399] usb 1-1: config 0 descriptor?? [ 144.518051][ T17] usb 3-1: config 0 descriptor?? [ 144.527275][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 144.536535][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 144.574732][ T4628] usb 4-1: config 0 descriptor?? [ 144.649412][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 144.777975][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 144.785591][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.11.0-syzkaller #0 [ 144.793601][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.803942][ T17] Workqueue: usb_hub_wq hub_event [ 144.807544][ T4399] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 144.809019][ T17] Call Trace: [ 144.809030][ T17] dump_stack+0xfa/0x151 [ 144.809058][ T17] sysfs_warn_dup.cold+0x1c/0x29 [ 144.829000][ T17] sysfs_do_create_link_sd+0x11e/0x140 [ 144.835043][ T17] sysfs_create_link+0x5f/0xc0 [ 144.839836][ T17] device_add+0x789/0x1db0 [ 144.844274][ T17] ? memset+0x20/0x40 [ 144.848277][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 144.853769][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 144.860030][ T17] ? __init_waitqueue_head+0x6b/0xd0 [ 144.865347][ T17] tty_register_device_attr+0x395/0x7b0 [ 144.871042][ T17] ? send_break.part.0+0x300/0x300 [ 144.876218][ T17] ? mark_held_locks+0x9f/0xe0 [ 144.881010][ T17] ? lockdep_init_map_type+0x2c3/0x780 [ 144.886489][ T17] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 144.892310][ T17] ? tty_port_register_device_attr+0xbc/0x110 [ 144.899549][ T17] hso_serial_common_create+0x124/0x8b0 [ 144.905136][ T17] ? kasan_unpoison+0x3a/0x60 [ 144.909847][ T17] hso_probe+0xef9/0x1f70 [ 144.914196][ T17] usb_probe_interface+0x315/0x7f0 [ 144.919341][ T17] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 144.925176][ T17] really_probe+0x291/0xe60 [ 144.929693][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 144.936052][ T17] driver_probe_device+0x26b/0x3d0 [ 144.941455][ T17] __device_attach_driver+0x1d1/0x290 [ 144.947196][ T17] ? driver_allows_async_probing+0x150/0x150 [ 144.953195][ T17] bus_for_each_drv+0x15f/0x1e0 [ 144.958062][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 144.963098][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 144.969443][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 144.974510][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 144.980458][ T17] __device_attach+0x228/0x4a0 [ 144.985245][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 144.991338][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 144.996645][ T17] bus_probe_device+0x1e4/0x290 [ 145.001510][ T17] device_add+0xbdb/0x1db0 [ 145.005941][ T17] ? wait_for_completion_io+0x270/0x270 [ 145.011630][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 145.017990][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.023993][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 145.029828][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 145.036092][ T17] usb_set_configuration+0x113f/0x1910 [ 145.041646][ T17] usb_generic_driver_probe+0xba/0x100 [ 145.047216][ T17] usb_probe_device+0xd9/0x2c0 [ 145.052012][ T17] ? usb_driver_release_interface+0x180/0x180 [ 145.058109][ T17] really_probe+0x291/0xe60 [ 145.063488][ T17] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 145.070373][ T17] driver_probe_device+0x26b/0x3d0 [ 145.075683][ T17] __device_attach_driver+0x1d1/0x290 [ 145.081101][ T17] ? driver_allows_async_probing+0x150/0x150 [ 145.087281][ T17] bus_for_each_drv+0x15f/0x1e0 [ 145.092258][ T17] ? bus_for_each_dev+0x1d0/0x1d0 [ 145.098768][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.104776][ T17] ? trace_hardirqs_on+0x5b/0x1a0 [ 145.109815][ T17] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 145.115739][ T17] __device_attach+0x228/0x4a0 [ 145.120535][ T17] ? __driver_attach_async_helper+0x330/0x330 [ 145.126627][ T17] ? kobject_uevent_env+0x2bb/0x1680 [ 145.131942][ T17] bus_probe_device+0x1e4/0x290 [ 145.136896][ T17] device_add+0xbdb/0x1db0 [ 145.141329][ T17] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 145.147581][ T17] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 145.153838][ T17] usb_new_device.cold+0x721/0x1058 [ 145.159073][ T17] ? hub_disconnect+0x510/0x510 [ 145.163955][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 145.168923][ T17] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.174922][ T17] hub_event+0x2357/0x4320 [ 145.179444][ T17] ? hub_port_debounce+0x3c0/0x3c0 [ 145.184593][ T17] ? zap_class+0x5b0/0x9a0 [ 145.189022][ T17] ? process_one_work+0x521/0x1580 [ 145.194153][ T17] ? lock_release+0x6d0/0x6d0 [ 145.198846][ T17] ? lock_downgrade+0x6d0/0x6d0 [ 145.203714][ T17] ? do_raw_spin_lock+0x120/0x2b0 [ 145.208768][ T17] ? lock_is_held_type+0x98/0x110 [ 145.213816][ T17] process_one_work+0x98d/0x1580 [ 145.218773][ T17] ? pwq_dec_nr_in_flight+0x320/0x320 [ 145.224177][ T17] ? rwlock_bug.part.0+0x90/0x90 [ 145.229160][ T17] worker_thread+0x82b/0x1120 [ 145.233962][ T17] ? process_one_work+0x1580/0x1580 [ 145.239173][ T17] kthread+0x38c/0x460 [ 145.243344][ T17] ? _raw_spin_unlock_irq+0x1f/0x30 [ 145.248556][ T17] ? __kthread_bind_mask+0xc0/0xc0 [ 145.253687][ T17] ret_from_fork+0x1f/0x30 [ 145.258316][ T4399] CPU: 0 PID: 4399 Comm: kworker/0:3 Not tainted 5.11.0-syzkaller #0 [ 145.267037][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.278525][ T4399] Workqueue: usb_hub_wq hub_event [ 145.283589][ T4399] Call Trace: [ 145.286880][ T4399] dump_stack+0xfa/0x151 [ 145.291145][ T4399] sysfs_warn_dup.cold+0x1c/0x29 [ 145.296104][ T4399] sysfs_do_create_link_sd+0x11e/0x140 [ 145.301785][ T4399] sysfs_create_link+0x5f/0xc0 [ 145.306582][ T4399] device_add+0x789/0x1db0 [ 145.311027][ T4399] ? memset+0x20/0x40 [ 145.315031][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 145.320623][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 145.326897][ T4399] ? __init_waitqueue_head+0x6b/0xd0 [ 145.332198][ T4399] tty_register_device_attr+0x395/0x7b0 [ 145.337766][ T4399] ? send_break.part.0+0x300/0x300 [ 145.343425][ T4399] ? mark_held_locks+0x9f/0xe0 [ 145.349420][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 145.355013][ T4399] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 145.360777][ T4399] ? tty_port_register_device_attr+0xbc/0x110 [ 145.367064][ T4399] hso_serial_common_create+0x124/0x8b0 [ 145.373329][ T4399] ? kasan_unpoison+0x3a/0x60 [ 145.378026][ T4399] hso_probe+0xef9/0x1f70 [ 145.382369][ T4399] usb_probe_interface+0x315/0x7f0 [ 145.387494][ T4399] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 145.392975][ T4399] really_probe+0x291/0xe60 [ 145.397496][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 145.403775][ T4399] driver_probe_device+0x26b/0x3d0 [ 145.408911][ T4399] __device_attach_driver+0x1d1/0x290 [ 145.414332][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 145.420345][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 145.425226][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 145.430267][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.436262][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 145.441308][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 145.447215][ T4399] __device_attach+0x228/0x4a0 [ 145.452015][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 145.458095][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 145.463412][ T4399] bus_probe_device+0x1e4/0x290 [ 145.468362][ T4399] device_add+0xbdb/0x1db0 [ 145.472798][ T4399] ? wait_for_completion_io+0x270/0x270 [ 145.478471][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 145.484734][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.490927][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 145.496749][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 145.503311][ T4399] usb_set_configuration+0x113f/0x1910 [ 145.508783][ T4399] usb_generic_driver_probe+0xba/0x100 [ 145.514255][ T4399] usb_probe_device+0xd9/0x2c0 [ 145.519042][ T4399] ? usb_driver_release_interface+0x180/0x180 [ 145.525121][ T4399] really_probe+0x291/0xe60 [ 145.529698][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 145.535961][ T4399] driver_probe_device+0x26b/0x3d0 [ 145.541589][ T4399] __device_attach_driver+0x1d1/0x290 [ 145.546988][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 145.553005][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 145.557962][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 145.563101][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.569125][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 145.574336][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 145.580175][ T4399] __device_attach+0x228/0x4a0 [ 145.585017][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 145.592891][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 145.598309][ T4399] bus_probe_device+0x1e4/0x290 [ 145.604066][ T4399] device_add+0xbdb/0x1db0 [ 145.608509][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 145.614768][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 145.621217][ T4399] usb_new_device.cold+0x721/0x1058 [ 145.626451][ T4399] ? hub_disconnect+0x510/0x510 [ 145.631337][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 145.636306][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.642316][ T4399] hub_event+0x2357/0x4320 [ 145.647450][ T4399] ? hub_port_debounce+0x3c0/0x3c0 [ 145.652582][ T4399] ? zap_class+0x5b1/0x9a0 [ 145.657010][ T4399] ? process_one_work+0x521/0x1580 [ 145.662393][ T4399] ? lock_release+0x6d0/0x6d0 [ 145.667084][ T4399] ? lock_downgrade+0x6d0/0x6d0 [ 145.671950][ T4399] ? do_raw_spin_lock+0x120/0x2b0 [ 145.676997][ T4399] ? lock_is_held_type+0x98/0x110 [ 145.682308][ T4399] process_one_work+0x98d/0x1580 [ 145.687483][ T4399] ? pwq_dec_nr_in_flight+0x320/0x320 [ 145.692915][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 145.698051][ T4399] worker_thread+0x82b/0x1120 [ 145.702744][ T4399] ? __kthread_parkme+0x118/0x1d0 [ 145.707794][ T4399] ? process_one_work+0x1580/0x1580 [ 145.713026][ T4399] kthread+0x38c/0x460 [ 145.717110][ T4399] ? _raw_spin_unlock_irq+0x1f/0x30 [ 145.722334][ T4399] ? __kthread_bind_mask+0xc0/0xc0 [ 145.727592][ T4399] ret_from_fork+0x1f/0x30 executing program [ 145.732797][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 145.733472][ T4628] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 145.746155][ T4628] CPU: 0 PID: 4628 Comm: kworker/0:4 Not tainted 5.11.0-syzkaller #0 [ 145.754618][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.764899][ T4628] Workqueue: usb_hub_wq hub_event [ 145.769982][ T4628] Call Trace: [ 145.773413][ T4628] dump_stack+0xfa/0x151 [ 145.777680][ T4628] sysfs_warn_dup.cold+0x1c/0x29 executing program [ 145.782647][ T4628] sysfs_do_create_link_sd+0x11e/0x140 [ 145.788648][ T4628] sysfs_create_link+0x5f/0xc0 [ 145.793432][ T4628] device_add+0x789/0x1db0 [ 145.797868][ T4628] ? memset+0x20/0x40 [ 145.802027][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 145.807611][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 145.813874][ T4628] ? __init_waitqueue_head+0x6b/0xd0 [ 145.819027][ T17] usb 3-1: USB disconnect, device number 38 [ 145.819175][ T4628] tty_register_device_attr+0x395/0x7b0 [ 145.830703][ T4628] ? send_break.part.0+0x300/0x300 [ 145.833272][ T4407] usb 6-1: USB disconnect, device number 38 [ 145.835837][ T4628] ? mark_held_locks+0x9f/0xe0 [ 145.835868][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 145.835894][ T4628] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 145.857871][ T4628] ? tty_port_register_device_attr+0xbc/0x110 [ 145.864124][ T4628] hso_serial_common_create+0x124/0x8b0 [ 145.869932][ T4628] ? kasan_unpoison+0x3a/0x60 [ 145.874814][ T4628] hso_probe+0xef9/0x1f70 [ 145.879279][ T4628] usb_probe_interface+0x315/0x7f0 [ 145.884514][ T4628] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 145.889933][ T4628] really_probe+0x291/0xe60 [ 145.894491][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 145.900761][ T4628] driver_probe_device+0x26b/0x3d0 [ 145.906081][ T4628] __device_attach_driver+0x1d1/0x290 [ 145.911507][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 145.917590][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 145.922467][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 145.927580][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 145.933849][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 145.939009][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 145.945042][ T4628] __device_attach+0x228/0x4a0 [ 145.949833][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 145.955951][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 145.961291][ T4628] bus_probe_device+0x1e4/0x290 [ 145.966169][ T4628] device_add+0xbdb/0x1db0 [ 145.970635][ T4628] ? wait_for_completion_io+0x270/0x270 [ 145.976234][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 145.982508][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 145.988684][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 145.994760][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 146.001039][ T4628] usb_set_configuration+0x113f/0x1910 [ 146.006535][ T4628] usb_generic_driver_probe+0xba/0x100 [ 146.012027][ T4628] usb_probe_device+0xd9/0x2c0 [ 146.017121][ T4628] ? usb_driver_release_interface+0x180/0x180 [ 146.023243][ T4628] really_probe+0x291/0xe60 [ 146.027792][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 146.034150][ T4628] driver_probe_device+0x26b/0x3d0 [ 146.039735][ T4628] __device_attach_driver+0x1d1/0x290 [ 146.045141][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 146.051362][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 146.056241][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 146.061288][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 146.064169][ T4401] usb 5-1: USB disconnect, device number 39 [ 146.067400][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 146.067433][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 executing program [ 146.067468][ T4628] __device_attach+0x228/0x4a0 [ 146.067493][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 146.067517][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 146.100435][ T4628] bus_probe_device+0x1e4/0x290 [ 146.105318][ T4628] device_add+0xbdb/0x1db0 [ 146.109755][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 146.116108][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 146.122405][ T4628] usb_new_device.cold+0x721/0x1058 [ 146.127641][ T4628] ? hub_disconnect+0x510/0x510 [ 146.134029][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 146.139003][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 146.145039][ T4628] hub_event+0x2357/0x4320 [ 146.149492][ T4628] ? hub_port_debounce+0x3c0/0x3c0 [ 146.155323][ T4628] ? zap_class+0x5b1/0x9a0 [ 146.159764][ T4628] ? process_one_work+0x521/0x1580 [ 146.164905][ T4628] ? lock_release+0x6d0/0x6d0 [ 146.169790][ T4628] ? lock_downgrade+0x6d0/0x6d0 [ 146.174904][ T4628] ? do_raw_spin_lock+0x120/0x2b0 executing program [ 146.179952][ T4628] ? lock_is_held_type+0x98/0x110 [ 146.185567][ T4628] process_one_work+0x98d/0x1580 [ 146.191140][ T4628] ? pwq_dec_nr_in_flight+0x320/0x320 [ 146.196541][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 146.201859][ T4628] worker_thread+0x82b/0x1120 [ 146.206582][ T4628] ? __kthread_parkme+0x118/0x1d0 [ 146.211630][ T4628] ? process_one_work+0x1580/0x1580 [ 146.216954][ T4628] kthread+0x38c/0x460 [ 146.221053][ T4628] ? _raw_spin_unlock_irq+0x1f/0x30 [ 146.226277][ T4628] ? __kthread_bind_mask+0xc0/0xc0 [ 146.231440][ T4628] ret_from_fork+0x1f/0x30 [ 146.236085][ T2633] usb 2-1: new high-speed USB device number 40 using dummy_hcd [ 146.248091][ T4628] usb 4-1: USB disconnect, device number 39 [ 146.259976][ T4399] usb 1-1: USB disconnect, device number 39 [ 146.477120][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 146.567061][ T4407] usb 6-1: new high-speed USB device number 39 using dummy_hcd [ 146.597296][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 146.607302][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 146.615350][ T4628] usb 4-1: new high-speed USB device number 40 using dummy_hcd [ 146.617117][ T4401] usb 5-1: new high-speed USB device number 40 using dummy_hcd [ 146.627093][ T4399] usb 1-1: new high-speed USB device number 40 using dummy_hcd [ 146.631144][ T17] usb 3-1: new high-speed USB device number 39 using dummy_hcd [ 146.647345][ T2633] usb 2-1: config 0 descriptor?? [ 146.857046][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 146.857181][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 146.877158][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 146.908155][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 146.917524][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 146.922733][ T17] usb 3-1: Using ep0 maxpacket: 8 [ 146.977296][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 146.987611][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 146.997614][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 147.006675][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 147.016409][ T4628] usb 4-1: config 0 descriptor?? [ 147.023762][ T4399] usb 1-1: config 0 descriptor?? [ 147.027377][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 147.038714][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 147.061405][ T4407] usb 6-1: config 0 descriptor?? [ 147.087326][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 147.096706][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 147.105246][ T17] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 147.114624][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 147.132206][ T4401] usb 5-1: config 0 descriptor?? executing program [ 147.138647][ T17] usb 3-1: config 0 descriptor?? [ 147.168423][ T32] usb 2-1: USB disconnect, device number 40 [ 147.278460][ T4628] hso 4-1:0.0: Failed to find BULK IN ep [ 147.291824][ T4399] hso 1-1:0.0: Failed to find BULK IN ep [ 147.348859][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 147.398086][ T17] hso 3-1:0.0: Failed to find BULK IN ep [ 147.444713][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 147.480164][ T4399] usb 4-1: USB disconnect, device number 40 executing program executing program [ 147.499172][ T4628] usb 1-1: USB disconnect, device number 40 [ 147.537362][ T32] usb 2-1: new high-speed USB device number 41 using dummy_hcd executing program [ 147.558492][ T2633] usb 6-1: USB disconnect, device number 39 executing program [ 147.599250][ T4755] usb 3-1: USB disconnect, device number 39 executing program [ 147.646342][ T4742] usb 5-1: USB disconnect, device number 40 [ 147.787080][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 147.867046][ T4628] usb 1-1: new high-speed USB device number 41 using dummy_hcd [ 147.897068][ T4399] usb 4-1: new high-speed USB device number 41 using dummy_hcd [ 147.937156][ T2633] usb 6-1: new high-speed USB device number 40 using dummy_hcd [ 147.937234][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 147.954627][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 147.964704][ T32] usb 2-1: config 0 descriptor?? [ 147.969865][ T4755] usb 3-1: new high-speed USB device number 40 using dummy_hcd [ 148.007125][ T4742] usb 5-1: new high-speed USB device number 41 using dummy_hcd [ 148.107186][ T4628] usb 1-1: Using ep0 maxpacket: 8 [ 148.137058][ T4399] usb 4-1: Using ep0 maxpacket: 8 [ 148.177167][ T2633] usb 6-1: Using ep0 maxpacket: 8 [ 148.217218][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 148.228194][ T4628] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 148.237641][ T4628] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.248627][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 148.255654][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 148.264121][ T4399] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 148.273333][ T4399] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.286284][ T4628] usb 1-1: config 0 descriptor?? [ 148.303375][ T4399] usb 4-1: config 0 descriptor?? [ 148.317373][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 148.327505][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.345590][ T2633] usb 6-1: config 0 descriptor?? [ 148.367595][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 148.376820][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.405313][ T4755] usb 3-1: config 0 descriptor?? executing program [ 148.417327][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 148.426676][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.447550][ T4742] usb 5-1: config 0 descriptor?? [ 148.453787][ T32] usb 2-1: USB disconnect, device number 41 [ 148.537981][ T4628] hso 1-1:0.0: Failed to find BULK IN ep [ 148.568392][ T4399] hso 4-1:0.0: Failed to find BULK IN ep [ 148.618651][ T2633] hso 6-1:0.0: Failed to find BULK IN ep [ 148.688248][ T4755] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 148.728463][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 148.742624][ T4755] usb 1-1: USB disconnect, device number 41 executing program [ 148.771910][ T4401] usb 4-1: USB disconnect, device number 41 executing program [ 148.827830][ T17] usb 6-1: USB disconnect, device number 40 executing program [ 148.890159][ T4407] usb 3-1: USB disconnect, device number 40 [ 148.897504][ T32] usb 2-1: new high-speed USB device number 42 using dummy_hcd executing program [ 148.930601][ T4742] usb 5-1: USB disconnect, device number 41 [ 149.117015][ T4755] usb 1-1: new high-speed USB device number 42 using dummy_hcd [ 149.147055][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 149.207239][ T4401] usb 4-1: new high-speed USB device number 42 using dummy_hcd [ 149.257183][ T17] usb 6-1: new high-speed USB device number 41 using dummy_hcd [ 149.277097][ T4407] usb 3-1: new high-speed USB device number 41 using dummy_hcd [ 149.307210][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 149.317393][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.330835][ T32] usb 2-1: config 0 descriptor?? [ 149.347185][ T4742] usb 5-1: new high-speed USB device number 42 using dummy_hcd [ 149.357303][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 149.457131][ T4401] usb 4-1: Using ep0 maxpacket: 8 [ 149.477156][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 149.486664][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.497215][ T4755] usb 1-1: config 0 descriptor?? [ 149.537150][ T17] usb 6-1: Using ep0 maxpacket: 8 [ 149.548373][ T4407] usb 3-1: Using ep0 maxpacket: 8 [ 149.587153][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 149.588007][ T4401] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 149.601964][ T4401] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.610636][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 149.622203][ T4401] usb 4-1: config 0 descriptor?? [ 149.687412][ T17] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 149.696699][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.705199][ T4407] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 149.707201][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 149.715658][ T4407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.724718][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.742769][ T17] usb 6-1: config 0 descriptor?? [ 149.752905][ T4742] usb 5-1: config 0 descriptor?? [ 149.753505][ T4407] usb 3-1: config 0 descriptor?? [ 149.759985][ T4755] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 149.797888][ T4755] usb 2-1: USB disconnect, device number 42 [ 149.888711][ T4401] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 149.961443][ T2633] usb 1-1: USB disconnect, device number 42 [ 150.028097][ T17] hso 6-1:0.0: Failed to find BULK IN ep [ 150.042135][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 150.059363][ T4407] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 150.091756][ T4742] usb 4-1: USB disconnect, device number 42 [ 150.167246][ T4755] usb 2-1: new high-speed USB device number 43 using dummy_hcd executing program executing program executing program [ 150.229289][ T4399] usb 6-1: USB disconnect, device number 41 [ 150.244230][ T4407] usb 5-1: USB disconnect, device number 42 [ 150.263592][ T4628] usb 3-1: USB disconnect, device number 41 [ 150.327779][ T2633] usb 1-1: new high-speed USB device number 43 using dummy_hcd [ 150.407140][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 150.457029][ T4742] usb 4-1: new high-speed USB device number 43 using dummy_hcd [ 150.527420][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 150.536852][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 150.549589][ T4755] usb 2-1: config 0 descriptor?? [ 150.567234][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 150.637090][ T4399] usb 6-1: new high-speed USB device number 42 using dummy_hcd [ 150.657059][ T4407] usb 5-1: new high-speed USB device number 43 using dummy_hcd [ 150.677106][ T4628] usb 3-1: new high-speed USB device number 42 using dummy_hcd [ 150.688108][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 150.697394][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 150.705428][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 150.716118][ T2633] usb 1-1: config 0 descriptor?? [ 150.808241][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 150.827261][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 150.836605][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 150.849827][ T4742] usb 4-1: config 0 descriptor?? [ 150.887144][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 150.907072][ T4407] usb 5-1: Using ep0 maxpacket: 8 [ 150.918558][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 150.978204][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 151.007230][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 151.013015][ T17] usb 2-1: USB disconnect, device number 43 executing program [ 151.017077][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 151.036018][ T4399] usb 6-1: config 0 descriptor?? [ 151.042026][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 151.051173][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 151.067517][ T4407] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 151.076873][ T4407] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 151.083051][ T4628] usb 3-1: config 0 descriptor?? [ 151.119910][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 151.136736][ T4407] usb 5-1: config 0 descriptor?? executing program [ 151.180583][ T4401] usb 1-1: USB disconnect, device number 43 executing program [ 151.319709][ T4742] usb 4-1: USB disconnect, device number 43 [ 151.338032][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 151.358313][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 151.408341][ T4407] hso 5-1:0.0: Failed to find BULK IN ep [ 151.437352][ T17] usb 2-1: new high-speed USB device number 44 using dummy_hcd executing program executing program [ 151.539442][ T4407] usb 6-1: USB disconnect, device number 42 [ 151.559404][ T4628] usb 3-1: USB disconnect, device number 42 executing program [ 151.587421][ T4401] usb 1-1: new high-speed USB device number 44 using dummy_hcd [ 151.609686][ T32] usb 5-1: USB disconnect, device number 43 [ 151.677189][ T4742] usb 4-1: new high-speed USB device number 44 using dummy_hcd [ 151.717488][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 151.867093][ T4401] usb 1-1: Using ep0 maxpacket: 8 [ 151.872534][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 151.883775][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 151.897493][ T17] usb 2-1: config 0 descriptor?? [ 151.917057][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 151.917241][ T4407] usb 6-1: new high-speed USB device number 43 using dummy_hcd [ 151.977144][ T4628] usb 3-1: new high-speed USB device number 43 using dummy_hcd [ 151.987242][ T4401] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 151.996738][ T4401] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 152.007472][ T4401] usb 1-1: config 0 descriptor?? [ 152.037287][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 152.047461][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 152.061337][ T4742] usb 4-1: config 0 descriptor?? [ 152.067225][ T32] usb 5-1: new high-speed USB device number 44 using dummy_hcd [ 152.158118][ T17] hso 2-1:0.0: Failed to find BULK IN ep [ 152.187053][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 152.217131][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 152.278125][ T4401] hso 1-1:0.0: Failed to find BULK IN ep [ 152.317152][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 152.326462][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 152.328371][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 152.335859][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 152.347086][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 152.356921][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 152.368116][ T4407] usb 6-1: config 0 descriptor?? [ 152.405414][ T4742] usb 2-1: USB disconnect, device number 44 [ 152.424586][ T4628] usb 3-1: config 0 descriptor?? executing program [ 152.479420][ T4399] usb 1-1: USB disconnect, device number 44 [ 152.481534][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 152.494886][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 152.506905][ T32] usb 5-1: config 0 descriptor?? executing program [ 152.548614][ T4401] usb 4-1: USB disconnect, device number 44 [ 152.628641][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 152.708337][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 152.779009][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 152.797079][ T4742] usb 2-1: new high-speed USB device number 45 using dummy_hcd executing program [ 152.832329][ T4628] usb 6-1: USB disconnect, device number 43 executing program [ 152.897225][ T4399] usb 1-1: new high-speed USB device number 45 using dummy_hcd [ 152.909969][ T2633] usb 3-1: USB disconnect, device number 43 executing program [ 152.957164][ T4401] usb 4-1: new high-speed USB device number 45 using dummy_hcd [ 152.979145][ T4755] usb 5-1: USB disconnect, device number 44 [ 153.037197][ T4742] usb 2-1: Using ep0 maxpacket: 8 [ 153.137219][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 153.157400][ T4742] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 153.166525][ T4742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 153.180552][ T4742] usb 2-1: config 0 descriptor?? [ 153.227481][ T4401] usb 4-1: Using ep0 maxpacket: 8 [ 153.247212][ T4628] usb 6-1: new high-speed USB device number 44 using dummy_hcd [ 153.258037][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 153.267895][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 153.283188][ T4399] usb 1-1: config 0 descriptor?? [ 153.317156][ T2633] usb 3-1: new high-speed USB device number 44 using dummy_hcd [ 153.387108][ T4755] usb 5-1: new high-speed USB device number 45 using dummy_hcd [ 153.387131][ T4401] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 153.404168][ T4401] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 153.416350][ T4401] usb 4-1: config 0 descriptor?? [ 153.438800][ T4742] hso 2-1:0.0: Failed to find BULK IN ep [ 153.487362][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 153.548053][ T4399] hso 1-1:0.0: Failed to find BULK IN ep [ 153.557448][ T2633] usb 3-1: Using ep0 maxpacket: 8 executing program [ 153.607595][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 153.616832][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 153.627176][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 153.635860][ T4628] usb 6-1: config 0 descriptor?? [ 153.639977][ T32] usb 2-1: USB disconnect, device number 45 [ 153.677333][ T2633] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 153.687428][ T2633] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 153.699957][ T4401] hso 4-1:0.0: Failed to find BULK IN ep [ 153.702702][ T2633] usb 3-1: config 0 descriptor?? executing program [ 153.749808][ T4399] usb 1-1: USB disconnect, device number 45 [ 153.767303][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 153.776478][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 153.817972][ T4755] usb 5-1: config 0 descriptor?? executing program [ 153.899411][ T4742] usb 4-1: USB disconnect, device number 45 [ 153.918277][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 153.988384][ T2633] hso 3-1:0.0: Failed to find BULK IN ep [ 154.037137][ T32] usb 2-1: new high-speed USB device number 46 using dummy_hcd [ 154.078263][ T4755] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 154.120017][ T4755] usb 6-1: USB disconnect, device number 44 [ 154.147222][ T4399] usb 1-1: new high-speed USB device number 46 using dummy_hcd executing program [ 154.190776][ T4401] usb 3-1: USB disconnect, device number 44 executing program [ 154.257173][ T4742] usb 4-1: new high-speed USB device number 46 using dummy_hcd [ 154.279711][ T2633] usb 5-1: USB disconnect, device number 45 [ 154.289466][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 154.387185][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 154.447337][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 154.456511][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 154.467348][ T32] usb 2-1: config 0 descriptor?? [ 154.497062][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 154.507222][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 154.516455][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 154.536531][ T4399] usb 1-1: config 0 descriptor?? [ 154.542064][ T4755] usb 6-1: new high-speed USB device number 45 using dummy_hcd [ 154.577111][ T4401] usb 3-1: new high-speed USB device number 45 using dummy_hcd [ 154.617167][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 154.626339][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 154.638607][ T2633] usb 5-1: new high-speed USB device number 46 using dummy_hcd [ 154.647726][ T4742] usb 4-1: config 0 descriptor?? [ 154.738179][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 154.787059][ T4755] usb 6-1: Using ep0 maxpacket: 8 [ 154.808421][ T4399] hso 1-1:0.0: Failed to find BULK IN ep [ 154.837031][ T4401] usb 3-1: Using ep0 maxpacket: 8 executing program [ 154.887203][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 154.907552][ T4755] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 154.916800][ T4755] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 154.925392][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 154.944454][ T32] usb 2-1: USB disconnect, device number 46 [ 154.944699][ T4755] usb 6-1: config 0 descriptor?? [ 154.987251][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 154.997156][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 155.007309][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 155.018917][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 155.036765][ T4401] usb 3-1: config 0 descriptor?? [ 155.048949][ T4407] usb 1-1: USB disconnect, device number 46 [ 155.064455][ T2633] usb 5-1: config 0 descriptor?? executing program [ 155.131771][ T17] usb 4-1: USB disconnect, device number 46 [ 155.247990][ T4755] hso 6-1:0.0: Failed to find BULK IN ep [ 155.327868][ T32] usb 2-1: new high-speed USB device number 47 using dummy_hcd [ 155.336254][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 155.347837][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 155.356182][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 155.364380][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.374565][ T2633] Workqueue: usb_hub_wq hub_event [ 155.379657][ T2633] Call Trace: [ 155.382983][ T2633] dump_stack+0xfa/0x151 [ 155.387339][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 155.392426][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 155.397934][ T2633] sysfs_create_link+0x5f/0xc0 [ 155.402736][ T2633] device_add+0x789/0x1db0 [ 155.407272][ T2633] ? memset+0x20/0x40 [ 155.411278][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 155.417087][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 155.423333][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 155.428659][ T2633] tty_register_device_attr+0x395/0x7b0 [ 155.435099][ T2633] ? send_break.part.0+0x300/0x300 [ 155.440464][ T2633] ? mark_held_locks+0x9f/0xe0 [ 155.445395][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 155.450891][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 155.452371][ T4401] usb 6-1: USB disconnect, device number 45 [ 155.458246][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 155.458282][ T2633] hso_serial_common_create+0x124/0x8b0 [ 155.475902][ T2633] ? kasan_unpoison+0x3a/0x60 [ 155.480610][ T2633] hso_probe+0xef9/0x1f70 [ 155.485496][ T2633] usb_probe_interface+0x315/0x7f0 [ 155.490766][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 155.496637][ T2633] really_probe+0x291/0xe60 [ 155.501281][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 155.507838][ T2633] driver_probe_device+0x26b/0x3d0 [ 155.513055][ T2633] __device_attach_driver+0x1d1/0x290 [ 155.518537][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 155.524617][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 155.529480][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 155.534529][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 155.540661][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 155.546136][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 155.551959][ T2633] __device_attach+0x228/0x4a0 [ 155.556733][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 155.562934][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 155.568335][ T2633] bus_probe_device+0x1e4/0x290 [ 155.574841][ T2633] device_add+0xbdb/0x1db0 [ 155.579298][ T2633] ? wait_for_completion_io+0x270/0x270 [ 155.584880][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 155.591145][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 155.597147][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 155.603075][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 155.609479][ T2633] usb_set_configuration+0x113f/0x1910 [ 155.614949][ T2633] usb_generic_driver_probe+0xba/0x100 [ 155.620875][ T2633] usb_probe_device+0xd9/0x2c0 executing program [ 155.625680][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 155.631776][ T2633] really_probe+0x291/0xe60 [ 155.636305][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 155.642796][ T2633] driver_probe_device+0x26b/0x3d0 [ 155.648457][ T2633] __device_attach_driver+0x1d1/0x290 [ 155.654043][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 155.660417][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 155.665374][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 155.670499][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 155.676506][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 155.681773][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 155.688339][ T2633] __device_attach+0x228/0x4a0 [ 155.693113][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 155.699409][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 155.704962][ T2633] bus_probe_device+0x1e4/0x290 [ 155.710411][ T2633] device_add+0xbdb/0x1db0 [ 155.714998][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 155.721376][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 155.727767][ T2633] usb_new_device.cold+0x721/0x1058 [ 155.733017][ T2633] ? hub_disconnect+0x510/0x510 [ 155.742681][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 155.747637][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 155.753639][ T2633] hub_event+0x2357/0x4320 [ 155.758162][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 155.763368][ T2633] ? zap_class+0x5b0/0x9a0 [ 155.767797][ T2633] ? process_one_work+0x521/0x1580 [ 155.773899][ T2633] ? lock_release+0x6d0/0x6d0 [ 155.778702][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 155.784079][ T2633] ? lock_is_held_type+0x98/0x110 [ 155.790321][ T2633] process_one_work+0x98d/0x1580 [ 155.795557][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 [ 155.801112][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 155.806496][ T2633] worker_thread+0x64c/0x1120 [ 155.811209][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 155.816501][ T2633] ? process_one_work+0x1580/0x1580 [ 155.821700][ T2633] kthread+0x38c/0x460 executing program executing program [ 155.825819][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 155.831024][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 155.836528][ T2633] ret_from_fork+0x1f/0x30 [ 155.847930][ T2633] usb 5-1: USB disconnect, device number 46 [ 155.859493][ T4755] usb 3-1: USB disconnect, device number 45 [ 155.927364][ T4407] usb 1-1: new high-speed USB device number 47 using dummy_hcd [ 156.057069][ T17] usb 4-1: new high-speed USB device number 47 using dummy_hcd [ 156.077135][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 156.197073][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 156.227213][ T4401] usb 6-1: new high-speed USB device number 46 using dummy_hcd [ 156.234930][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 156.244078][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 156.256597][ T32] usb 2-1: config 0 descriptor?? [ 156.257071][ T2633] usb 5-1: new high-speed USB device number 47 using dummy_hcd [ 156.277163][ T4755] usb 3-1: new high-speed USB device number 46 using dummy_hcd [ 156.327042][ T17] usb 4-1: Using ep0 maxpacket: 8 [ 156.338166][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 156.348327][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 156.363143][ T4407] usb 1-1: config 0 descriptor?? [ 156.467242][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 156.476524][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 156.489680][ T17] usb 4-1: config 0 descriptor?? [ 156.507162][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 156.507181][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 156.518546][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 156.529414][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 156.637141][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 156.646300][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 156.655774][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 156.657760][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 156.665156][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 156.674178][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 156.686054][ T2633] usb 5-1: config 0 descriptor?? [ 156.691716][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 156.718524][ T4755] usb 3-1: config 0 descriptor?? [ 156.758142][ T17] hso 4-1:0.0: Failed to find BULK IN ep [ 156.773332][ T17] usb 2-1: USB disconnect, device number 47 [ 156.782762][ T4401] usb 6-1: config 0 descriptor?? executing program [ 156.894564][ T4407] usb 1-1: USB disconnect, device number 47 executing program [ 156.958228][ T2633] hso 5-1:0.0: Failed to find BULK IN ep [ 156.959835][ T32] usb 4-1: USB disconnect, device number 47 [ 156.988541][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 157.049706][ T4401] hso 6-1:0.0: Failed to find BULK IN ep executing program [ 157.147440][ T17] usb 2-1: new high-speed USB device number 48 using dummy_hcd [ 157.159214][ T4401] usb 5-1: USB disconnect, device number 47 executing program [ 157.189854][ T1551] usb 3-1: USB disconnect, device number 46 executing program [ 157.249181][ T5007] usb 6-1: USB disconnect, device number 46 [ 157.307293][ T4407] usb 1-1: new high-speed USB device number 48 using dummy_hcd [ 157.367266][ T32] usb 4-1: new high-speed USB device number 48 using dummy_hcd [ 157.397281][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 157.517180][ T17] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 157.526662][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 157.538193][ T17] usb 2-1: config 0 descriptor?? [ 157.577256][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 157.617151][ T4401] usb 5-1: new high-speed USB device number 48 using dummy_hcd [ 157.637353][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 157.642651][ T1551] usb 3-1: new high-speed USB device number 47 using dummy_hcd [ 157.652123][ T5007] usb 6-1: new high-speed USB device number 47 using dummy_hcd [ 157.697405][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 157.706507][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 157.718275][ T4407] usb 1-1: config 0 descriptor?? [ 157.767628][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 157.778436][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 157.789540][ T17] hso 2-1:0.0: Failed to find BULK IN ep [ 157.828450][ T32] usb 4-1: config 0 descriptor?? [ 157.857078][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 157.907508][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 157.912871][ T5007] usb 6-1: Using ep0 maxpacket: 8 executing program [ 157.994851][ T4755] usb 2-1: USB disconnect, device number 48 [ 158.001405][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 158.009310][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 158.018509][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 158.037414][ T4401] usb 5-1: config 0 descriptor?? [ 158.057327][ T5007] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 158.066462][ T5007] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 158.075439][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 158.084630][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 158.095172][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 158.130174][ T1551] usb 3-1: config 0 descriptor?? [ 158.135984][ T5007] usb 6-1: config 0 descriptor?? executing program [ 158.203011][ T2633] usb 1-1: USB disconnect, device number 48 executing program [ 158.294840][ T4742] usb 4-1: USB disconnect, device number 48 [ 158.308872][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 158.407103][ T4755] usb 2-1: new high-speed USB device number 49 using dummy_hcd [ 158.418125][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 158.425739][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 158.435118][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.445279][ T1551] Workqueue: usb_hub_wq hub_event [ 158.450322][ T1551] Call Trace: [ 158.453598][ T1551] dump_stack+0xfa/0x151 [ 158.457844][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 158.462844][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 158.468351][ T1551] sysfs_create_link+0x5f/0xc0 [ 158.473115][ T1551] device_add+0x789/0x1db0 [ 158.478263][ T1551] ? memset+0x20/0x40 [ 158.482241][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 158.487717][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 158.493952][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 158.499358][ T1551] tty_register_device_attr+0x395/0x7b0 [ 158.504948][ T1551] ? send_break.part.0+0x300/0x300 [ 158.510152][ T1551] ? mark_held_locks+0x9f/0xe0 [ 158.515034][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 158.520490][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 158.526665][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 158.532765][ T1551] hso_serial_common_create+0x124/0x8b0 [ 158.538355][ T1551] ? kasan_unpoison+0x3a/0x60 [ 158.543035][ T1551] hso_probe+0xef9/0x1f70 [ 158.547484][ T1551] usb_probe_interface+0x315/0x7f0 [ 158.552634][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 158.558025][ T1551] really_probe+0x291/0xe60 [ 158.562526][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 158.567031][ T2633] usb 1-1: new high-speed USB device number 49 using dummy_hcd [ 158.569722][ T1551] driver_probe_device+0x26b/0x3d0 [ 158.569756][ T1551] __device_attach_driver+0x1d1/0x290 [ 158.569782][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 158.569807][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 158.598952][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 158.604436][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 158.610927][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 158.615958][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 158.621943][ T1551] __device_attach+0x228/0x4a0 [ 158.627610][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 158.635068][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 158.640390][ T1551] bus_probe_device+0x1e4/0x290 [ 158.645673][ T1551] device_add+0xbdb/0x1db0 [ 158.647219][ T4755] usb 2-1: Using ep0 maxpacket: 8 executing program executing program [ 158.650280][ T1551] ? wait_for_completion_io+0x270/0x270 [ 158.650312][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 158.650337][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 158.650364][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 158.679774][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 158.690674][ T1551] usb_set_configuration+0x113f/0x1910 [ 158.696164][ T1551] usb_generic_driver_probe+0xba/0x100 [ 158.697167][ T4742] usb 4-1: new high-speed USB device number 49 using dummy_hcd [ 158.701656][ T1551] usb_probe_device+0xd9/0x2c0 [ 158.701690][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 158.701718][ T1551] really_probe+0x291/0xe60 [ 158.701742][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 158.731630][ T1551] driver_probe_device+0x26b/0x3d0 [ 158.737133][ T1551] __device_attach_driver+0x1d1/0x290 [ 158.742640][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 158.748701][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 158.753707][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 158.758905][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 158.764933][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 158.767203][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 158.770060][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 158.770095][ T1551] __device_attach+0x228/0x4a0 [ 158.770122][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 158.770147][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 158.779271][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 158.785450][ T1551] bus_probe_device+0x1e4/0x290 [ 158.801961][ T4755] usb 2-1: config 0 descriptor?? [ 158.802475][ T1551] device_add+0xbdb/0x1db0 [ 158.802512][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 158.802538][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 158.837383][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 158.837745][ T1551] usb_new_device.cold+0x721/0x1058 [ 158.837785][ T1551] ? hub_disconnect+0x510/0x510 [ 158.837814][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 158.858065][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 158.864313][ T1551] hub_event+0x2357/0x4320 [ 158.869911][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 158.875267][ T1551] ? zap_class+0x5b0/0x9a0 [ 158.879696][ T1551] ? process_one_work+0x521/0x1580 [ 158.884836][ T1551] ? lock_release+0x6d0/0x6d0 [ 158.889507][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 158.894458][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 158.899492][ T1551] ? lock_is_held_type+0x98/0x110 [ 158.904524][ T1551] process_one_work+0x98d/0x1580 [ 158.909547][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 158.914932][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 158.919880][ T1551] worker_thread+0x64c/0x1120 [ 158.924597][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 158.929705][ T1551] ? process_one_work+0x1580/0x1580 [ 158.934906][ T1551] kthread+0x38c/0x460 [ 158.938984][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 158.944212][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 158.949413][ T1551] ret_from_fork+0x1f/0x30 executing program [ 158.956012][ T5007] hso 6-1:0.0: Failed to find BULK IN ep [ 158.962350][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 158.965546][ T5007] usb 6-1: USB disconnect, device number 47 [ 158.968551][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 158.979821][ T1551] usb 3-1: USB disconnect, device number 47 [ 158.983146][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 158.993272][ T4401] usb 5-1: USB disconnect, device number 48 [ 159.052743][ T2633] usb 1-1: config 0 descriptor?? [ 159.071745][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 159.131308][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 159.140648][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 159.155904][ T4742] usb 4-1: config 0 descriptor?? executing program [ 159.271743][ T4755] usb 2-1: USB disconnect, device number 49 [ 159.327221][ T5007] usb 6-1: new high-speed USB device number 48 using dummy_hcd [ 159.328853][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 159.357172][ T1551] usb 3-1: new high-speed USB device number 48 using dummy_hcd [ 159.417091][ T4401] usb 5-1: new high-speed USB device number 49 using dummy_hcd [ 159.418213][ T4742] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 159.529324][ T4742] usb 1-1: USB disconnect, device number 49 [ 159.587136][ T5007] usb 6-1: Using ep0 maxpacket: 8 executing program [ 159.619726][ T2633] usb 4-1: USB disconnect, device number 49 [ 159.630949][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 159.667035][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 159.677991][ T4755] usb 2-1: new high-speed USB device number 50 using dummy_hcd [ 159.747292][ T5007] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 159.757828][ T5007] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 159.769653][ T5007] usb 6-1: config 0 descriptor?? [ 159.817366][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 159.826504][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 159.834704][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 159.844099][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 159.865117][ T1551] usb 3-1: config 0 descriptor?? [ 159.871026][ T4401] usb 5-1: config 0 descriptor?? [ 159.917124][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 159.937216][ T4742] usb 1-1: new high-speed USB device number 50 using dummy_hcd [ 160.027139][ T2633] usb 4-1: new high-speed USB device number 50 using dummy_hcd [ 160.037492][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 160.047380][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 160.048292][ T5007] hso 6-1:0.0: Failed to find BULK IN ep [ 160.063516][ T4755] usb 2-1: config 0 descriptor?? [ 160.138302][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 160.158501][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 160.177042][ T4742] usb 1-1: Using ep0 maxpacket: 8 executing program [ 160.249196][ T4399] usb 6-1: USB disconnect, device number 48 [ 160.267074][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 160.297185][ T4742] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 160.306570][ T4742] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 160.318202][ T4742] usb 1-1: config 0 descriptor?? [ 160.329970][ T4755] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 160.343020][ T4628] usb 5-1: USB disconnect, device number 49 [ 160.360508][ T1551] usb 3-1: USB disconnect, device number 48 [ 160.387200][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 160.396388][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 160.440851][ T2633] usb 4-1: config 0 descriptor?? executing program [ 160.531120][ T4755] usb 2-1: USB disconnect, device number 50 [ 160.578018][ T4742] hso 1-1:0.0: Failed to find BULK IN ep [ 160.657082][ T4399] usb 6-1: new high-speed USB device number 49 using dummy_hcd [ 160.698559][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 160.717519][ T4628] usb 5-1: new high-speed USB device number 50 using dummy_hcd executing program [ 160.767044][ T1551] usb 3-1: new high-speed USB device number 49 using dummy_hcd [ 160.780457][ T4401] usb 1-1: USB disconnect, device number 50 executing program [ 160.897094][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 160.899672][ T5007] usb 4-1: USB disconnect, device number 50 [ 160.937515][ T4755] usb 2-1: new high-speed USB device number 51 using dummy_hcd [ 160.957254][ T4628] usb 5-1: Using ep0 maxpacket: 8 [ 161.017208][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 161.027433][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 161.028103][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 161.044279][ T4399] usb 6-1: config 0 descriptor?? [ 161.077145][ T4628] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 161.086673][ T4628] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 161.105219][ T4628] usb 5-1: config 0 descriptor?? [ 161.177082][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 161.207142][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 161.216616][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 161.224889][ T4401] usb 1-1: new high-speed USB device number 51 using dummy_hcd [ 161.237111][ T1551] usb 3-1: config 0 descriptor?? [ 161.297774][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 161.307062][ T5007] usb 4-1: new high-speed USB device number 51 using dummy_hcd [ 161.312259][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 161.312890][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 161.348842][ T4755] usb 2-1: config 0 descriptor?? [ 161.368410][ T4628] hso 5-1:0.0: Failed to find BULK IN ep [ 161.477214][ T4401] usb 1-1: Using ep0 maxpacket: 8 executing program [ 161.498880][ T4628] usb 6-1: USB disconnect, device number 49 [ 161.510590][ T1551] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 161.577388][ T5007] usb 4-1: Using ep0 maxpacket: 8 [ 161.582754][ T1551] usb 5-1: USB disconnect, device number 50 [ 161.607525][ T4401] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 161.617091][ T4401] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 161.629425][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 161.633563][ T4401] usb 1-1: config 0 descriptor?? executing program [ 161.707370][ T5007] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 161.713003][ T4755] usb 3-1: USB disconnect, device number 49 [ 161.717135][ T5007] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 161.725663][ T5007] usb 4-1: config 0 descriptor?? executing program [ 161.829317][ T4399] usb 2-1: USB disconnect, device number 51 [ 161.877126][ T4628] usb 6-1: new high-speed USB device number 50 using dummy_hcd [ 161.897878][ T4401] hso 1-1:0.0: Failed to find BULK IN ep [ 162.018136][ T5007] hso 4-1:0.0: Failed to find BULK IN ep [ 162.030875][ T1551] usb 5-1: new high-speed USB device number 51 using dummy_hcd executing program [ 162.087501][ T4755] usb 3-1: new high-speed USB device number 50 using dummy_hcd [ 162.099547][ T2633] usb 1-1: USB disconnect, device number 51 [ 162.117072][ T4628] usb 6-1: Using ep0 maxpacket: 8 executing program [ 162.219638][ T4742] usb 4-1: USB disconnect, device number 51 [ 162.237353][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 162.246673][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 162.254852][ T4399] usb 2-1: new high-speed USB device number 52 using dummy_hcd [ 162.277967][ T4628] usb 6-1: config 0 descriptor?? [ 162.297085][ T1551] usb 5-1: Using ep0 maxpacket: 8 [ 162.327101][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 162.447206][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 162.456411][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 162.457112][ T1551] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 162.473679][ T1551] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 162.474096][ T4755] usb 3-1: config 0 descriptor?? [ 162.497137][ T4399] usb 2-1: Using ep0 maxpacket: 8 [ 162.503626][ T1551] usb 5-1: config 0 descriptor?? [ 162.511199][ T2633] usb 1-1: new high-speed USB device number 52 using dummy_hcd [ 162.539231][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 162.587394][ T4742] usb 4-1: new high-speed USB device number 52 using dummy_hcd [ 162.617234][ T4399] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 162.626702][ T4399] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 162.640173][ T4399] usb 2-1: config 0 descriptor?? executing program [ 162.739516][ T4628] usb 6-1: USB disconnect, device number 50 [ 162.748341][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 162.757413][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 162.763292][ T1551] hso 5-1:0.0: Failed to find BULK IN ep [ 162.837560][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 162.877417][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 162.887057][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 162.898433][ T4399] hso 2-1:0.0: Failed to find BULK IN ep [ 162.905209][ T2633] usb 1-1: config 0 descriptor?? executing program executing program [ 162.959441][ T1551] usb 3-1: USB disconnect, device number 50 [ 162.967828][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 162.977065][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 162.986764][ T4399] usb 5-1: USB disconnect, device number 51 [ 163.011198][ T4742] usb 4-1: config 0 descriptor?? executing program [ 163.107071][ T4628] usb 6-1: new high-speed USB device number 51 using dummy_hcd [ 163.111388][ T5007] usb 2-1: USB disconnect, device number 52 [ 163.198323][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 163.287940][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 163.347082][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 163.352581][ T4399] usb 5-1: new high-speed USB device number 52 using dummy_hcd executing program [ 163.399278][ T4401] usb 1-1: USB disconnect, device number 52 [ 163.407247][ T1551] usb 3-1: new high-speed USB device number 51 using dummy_hcd executing program [ 163.477158][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 163.486337][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 163.489764][ T32] usb 4-1: USB disconnect, device number 52 [ 163.501118][ T5007] usb 2-1: new high-speed USB device number 53 using dummy_hcd [ 163.526109][ T4628] usb 6-1: config 0 descriptor?? [ 163.617057][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 163.677230][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 163.737205][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 163.746359][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 163.757080][ T4399] usb 5-1: config 0 descriptor?? [ 163.787072][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 163.808182][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 163.837607][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 163.846873][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 163.865792][ T1551] usb 3-1: config 0 descriptor?? [ 163.871547][ T4401] usb 1-1: new high-speed USB device number 53 using dummy_hcd [ 163.937242][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 163.946537][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 163.955876][ T32] usb 4-1: new high-speed USB device number 53 using dummy_hcd [ 163.967271][ T5007] usb 2-1: config 0 descriptor?? executing program [ 164.009266][ T4628] usb 6-1: USB disconnect, device number 51 [ 164.018815][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 164.127131][ T4401] usb 1-1: Using ep0 maxpacket: 8 [ 164.148557][ T1551] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 164.207464][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 164.219948][ T4399] usb 5-1: USB disconnect, device number 52 [ 164.238282][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 164.257299][ T4401] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 164.266502][ T4401] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 164.300972][ T4401] usb 1-1: config 0 descriptor?? executing program [ 164.349580][ T5007] usb 3-1: USB disconnect, device number 51 [ 164.367114][ T4628] usb 6-1: new high-speed USB device number 52 using dummy_hcd [ 164.367324][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 164.383790][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 164.427837][ T32] usb 4-1: config 0 descriptor?? [ 164.509051][ T4742] usb 2-1: USB disconnect, device number 53 [ 164.607035][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 164.608362][ T4401] hso 1-1:0.0: Failed to find BULK IN ep [ 164.627421][ T4399] usb 5-1: new high-speed USB device number 53 using dummy_hcd [ 164.688037][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 164.727219][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 164.737343][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 164.755904][ T4628] usb 6-1: config 0 descriptor?? [ 164.767035][ T5007] usb 3-1: new high-speed USB device number 52 using dummy_hcd executing program [ 164.809375][ T32] usb 1-1: USB disconnect, device number 53 executing program [ 164.867589][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 164.872882][ T4742] usb 2-1: new high-speed USB device number 54 using dummy_hcd [ 164.890153][ T2633] usb 4-1: USB disconnect, device number 53 [ 164.997586][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 165.006688][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 165.020376][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 165.027355][ T5007] usb 3-1: Using ep0 maxpacket: 8 [ 165.034534][ T4399] usb 5-1: config 0 descriptor?? [ 165.127056][ T4742] usb 2-1: Using ep0 maxpacket: 8 [ 165.157168][ T5007] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 165.166671][ T5007] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 165.179290][ T5007] usb 3-1: config 0 descriptor?? [ 165.187205][ T32] usb 1-1: new high-speed USB device number 54 using dummy_hcd executing program [ 165.221866][ T4628] usb 6-1: USB disconnect, device number 52 [ 165.247219][ T4742] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 165.256861][ T4742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 165.266779][ T2633] usb 4-1: new high-speed USB device number 54 using dummy_hcd [ 165.281382][ T4742] usb 2-1: config 0 descriptor?? [ 165.319199][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 165.447448][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 165.452968][ T5007] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 165.517128][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 165.522679][ T5007] usb 5-1: USB disconnect, device number 53 [ 165.539169][ T4742] hso 2-1:0.0: Failed to find BULK IN ep [ 165.587318][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 165.596463][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 165.608271][ T32] usb 1-1: config 0 descriptor?? [ 165.627242][ T4628] usb 6-1: new high-speed USB device number 53 using dummy_hcd executing program [ 165.638240][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 165.647729][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 165.660313][ T2633] usb 4-1: config 0 descriptor?? [ 165.666510][ T4742] usb 3-1: USB disconnect, device number 52 executing program [ 165.739608][ T4401] usb 2-1: USB disconnect, device number 54 [ 165.868088][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 165.881475][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 165.917983][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 165.927367][ T5007] usb 5-1: new high-speed USB device number 54 using dummy_hcd [ 165.997466][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 166.006554][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 166.018464][ T4628] usb 6-1: config 0 descriptor?? executing program [ 166.070316][ T2633] usb 1-1: USB disconnect, device number 54 [ 166.087129][ T4742] usb 3-1: new high-speed USB device number 53 using dummy_hcd executing program [ 166.120255][ T4399] usb 4-1: USB disconnect, device number 54 [ 166.130340][ T4401] usb 2-1: new high-speed USB device number 55 using dummy_hcd [ 166.217045][ T5007] usb 5-1: Using ep0 maxpacket: 8 [ 166.278062][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 166.327176][ T4742] usb 3-1: Using ep0 maxpacket: 8 [ 166.367140][ T5007] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 166.376476][ T5007] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 166.389353][ T5007] usb 5-1: config 0 descriptor?? [ 166.407146][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 166.427224][ T2633] usb 1-1: new high-speed USB device number 55 using dummy_hcd [ 166.447357][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 166.456688][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 166.469213][ T4742] usb 3-1: config 0 descriptor?? executing program [ 166.482148][ T32] usb 6-1: USB disconnect, device number 53 [ 166.528086][ T4399] usb 4-1: new high-speed USB device number 55 using dummy_hcd [ 166.557357][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 166.566511][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 166.580123][ T4401] usb 2-1: config 0 descriptor?? [ 166.658109][ T5007] hso 5-1:0.0: Failed to find BULK IN ep [ 166.670144][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 166.728308][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 166.777071][ T4399] usb 4-1: Using ep0 maxpacket: 8 [ 166.788155][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 166.797518][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 166.815502][ T2633] usb 1-1: config 0 descriptor?? executing program [ 166.847986][ T4401] hso 2-1:0.0: Failed to find BULK IN ep [ 166.859704][ T4401] usb 5-1: USB disconnect, device number 54 [ 166.877167][ T32] usb 6-1: new high-speed USB device number 54 using dummy_hcd [ 166.897395][ T4399] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 166.906611][ T4399] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 166.941744][ T4742] usb 3-1: USB disconnect, device number 53 [ 166.961768][ T4399] usb 4-1: config 0 descriptor?? executing program [ 167.049041][ T5007] usb 2-1: USB disconnect, device number 55 [ 167.068534][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 167.117359][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 167.247953][ T4399] hso 4-1:0.0: Failed to find BULK IN ep [ 167.269968][ T4399] usb 1-1: USB disconnect, device number 55 [ 167.277325][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 167.287902][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 167.297901][ T4401] usb 5-1: new high-speed USB device number 55 using dummy_hcd [ 167.309299][ T32] usb 6-1: config 0 descriptor?? [ 167.327599][ T4742] usb 3-1: new high-speed USB device number 54 using dummy_hcd executing program [ 167.449143][ T1551] usb 4-1: USB disconnect, device number 55 [ 167.461720][ T5007] usb 2-1: new high-speed USB device number 56 using dummy_hcd [ 167.547078][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 167.567087][ T4742] usb 3-1: Using ep0 maxpacket: 8 [ 167.578795][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 167.687150][ T4399] usb 1-1: new high-speed USB device number 56 using dummy_hcd [ 167.697333][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 167.706875][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 167.715965][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 167.725747][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 167.737068][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 167.748384][ T4742] usb 3-1: config 0 descriptor?? [ 167.762864][ T4401] usb 5-1: config 0 descriptor?? [ 167.780472][ T2633] usb 6-1: USB disconnect, device number 54 [ 167.907253][ T1551] usb 4-1: new high-speed USB device number 56 using dummy_hcd [ 167.915023][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 167.924158][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 167.938037][ T5007] usb 2-1: config 0 descriptor?? [ 167.977166][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 168.008156][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 168.038548][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 168.097297][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 168.106382][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 168.119644][ T4399] usb 1-1: config 0 descriptor?? [ 168.147156][ T2633] usb 6-1: new high-speed USB device number 55 using dummy_hcd [ 168.187085][ T1551] usb 4-1: Using ep0 maxpacket: 8 executing program executing program [ 168.208715][ T4401] usb 3-1: USB disconnect, device number 54 [ 168.218785][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 168.239307][ T5007] usb 5-1: USB disconnect, device number 55 [ 168.317403][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 168.326491][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 168.341449][ T1551] usb 4-1: config 0 descriptor?? [ 168.377989][ T4399] hso 1-1:0.0: Failed to find BULK IN ep [ 168.389638][ T2633] usb 6-1: Using ep0 maxpacket: 8 executing program [ 168.423694][ T32] usb 2-1: USB disconnect, device number 56 [ 168.507129][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 168.516447][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 168.527744][ T2633] usb 6-1: config 0 descriptor?? executing program [ 168.577083][ T4401] usb 3-1: new high-speed USB device number 55 using dummy_hcd [ 168.589685][ T4407] usb 1-1: USB disconnect, device number 56 [ 168.608426][ T1551] hso 4-1:0.0: Failed to find BULK IN ep [ 168.647342][ T5007] usb 5-1: new high-speed USB device number 56 using dummy_hcd executing program [ 168.788004][ T2633] hso 6-1:0.0: Failed to find BULK IN ep [ 168.807189][ T32] usb 2-1: new high-speed USB device number 57 using dummy_hcd [ 168.823555][ T1551] usb 4-1: USB disconnect, device number 56 [ 168.837891][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 168.907234][ T5007] usb 5-1: Using ep0 maxpacket: 8 executing program [ 168.988224][ T4407] usb 1-1: new high-speed USB device number 57 using dummy_hcd [ 168.989372][ T2633] usb 6-1: USB disconnect, device number 55 [ 168.996161][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 169.011347][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.023846][ T4401] usb 3-1: config 0 descriptor?? [ 169.057398][ T5007] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 169.072019][ T5007] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.080741][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 169.093240][ T5007] usb 5-1: config 0 descriptor?? [ 169.237118][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 169.242467][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 169.252093][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.260330][ T1551] usb 4-1: new high-speed USB device number 57 using dummy_hcd [ 169.270072][ T32] usb 2-1: config 0 descriptor?? [ 169.319541][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 169.368300][ T5007] hso 5-1:0.0: Failed to find BULK IN ep [ 169.380830][ T2633] usb 6-1: new high-speed USB device number 56 using dummy_hcd [ 169.417546][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 169.427034][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.439515][ T4407] usb 1-1: config 0 descriptor?? executing program [ 169.518951][ T4399] usb 3-1: USB disconnect, device number 55 [ 169.528691][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 169.535159][ T32] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 169.569497][ T4742] usb 5-1: USB disconnect, device number 56 [ 169.627167][ T2633] usb 6-1: Using ep0 maxpacket: 8 [ 169.677342][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 169.686809][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.698959][ T1551] usb 4-1: config 0 descriptor?? [ 169.718308][ T4407] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 169.736358][ T4407] usb 2-1: USB disconnect, device number 57 [ 169.747239][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 169.756718][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.799047][ T2633] usb 6-1: config 0 descriptor?? executing program [ 169.919490][ T4628] usb 1-1: USB disconnect, device number 57 [ 169.927575][ T4399] usb 3-1: new high-speed USB device number 56 using dummy_hcd [ 169.968403][ T1551] hso 4-1:0.0: Failed to find BULK IN ep [ 170.007163][ T4742] usb 5-1: new high-speed USB device number 57 using dummy_hcd [ 170.058137][ T2633] hso 6-1:0.0: Failed to find BULK IN ep executing program [ 170.137191][ T4407] usb 2-1: new high-speed USB device number 58 using dummy_hcd [ 170.167099][ T4399] usb 3-1: Using ep0 maxpacket: 8 [ 170.175070][ T2633] usb 4-1: USB disconnect, device number 57 executing program [ 170.247209][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 170.260499][ T1551] usb 6-1: USB disconnect, device number 56 [ 170.287341][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 170.296595][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 170.311325][ T4399] usb 3-1: config 0 descriptor?? [ 170.337382][ T4628] usb 1-1: new high-speed USB device number 58 using dummy_hcd [ 170.377367][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 170.386590][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 170.397330][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 170.398227][ T4742] usb 5-1: config 0 descriptor?? [ 170.547253][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 170.556490][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 170.569646][ T4399] hso 3-1:0.0: Failed to find BULK IN ep [ 170.573366][ T4407] usb 2-1: config 0 descriptor?? [ 170.587077][ T4628] usb 1-1: Using ep0 maxpacket: 8 [ 170.592269][ T2633] usb 4-1: new high-speed USB device number 58 using dummy_hcd [ 170.667290][ T1551] usb 6-1: new high-speed USB device number 57 using dummy_hcd [ 170.668642][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 170.717154][ T4628] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 170.726430][ T4628] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 170.737087][ T4628] usb 1-1: config 0 descriptor?? executing program [ 170.769374][ T4742] usb 3-1: USB disconnect, device number 56 executing program [ 170.847069][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 170.852770][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 170.870864][ T4407] usb 5-1: USB disconnect, device number 57 [ 170.917228][ T1551] usb 6-1: Using ep0 maxpacket: 8 [ 170.967201][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 170.976778][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 170.987329][ T4628] hso 1-1:0.0: Failed to find BULK IN ep [ 171.008879][ T2633] usb 4-1: config 0 descriptor?? executing program [ 171.052002][ T32] usb 2-1: USB disconnect, device number 58 [ 171.058471][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 171.067597][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 171.086137][ T1551] usb 6-1: config 0 descriptor?? [ 171.137062][ T4742] usb 3-1: new high-speed USB device number 57 using dummy_hcd executing program [ 171.188405][ T5007] usb 1-1: USB disconnect, device number 58 [ 171.237348][ T4407] usb 5-1: new high-speed USB device number 58 using dummy_hcd [ 171.268289][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 171.358108][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 171.387028][ T4742] usb 3-1: Using ep0 maxpacket: 8 executing program [ 171.457188][ T32] usb 2-1: new high-speed USB device number 59 using dummy_hcd [ 171.469637][ T2633] usb 4-1: USB disconnect, device number 58 [ 171.497135][ T4407] usb 5-1: Using ep0 maxpacket: 8 [ 171.507236][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 171.516905][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 171.528318][ T4742] usb 3-1: config 0 descriptor?? executing program [ 171.558984][ T4628] usb 6-1: USB disconnect, device number 57 [ 171.569493][ T5007] usb 1-1: new high-speed USB device number 59 using dummy_hcd [ 171.637272][ T4407] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 171.646665][ T4407] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 171.658049][ T4407] usb 5-1: config 0 descriptor?? [ 171.697345][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 171.788009][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 171.817168][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 171.826337][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 171.834873][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 171.843322][ T32] usb 2-1: config 0 descriptor?? [ 171.877204][ T2633] usb 4-1: new high-speed USB device number 59 using dummy_hcd [ 171.908094][ T4407] hso 5-1:0.0: Failed to find BULK IN ep [ 171.919455][ T4628] usb 6-1: new high-speed USB device number 58 using dummy_hcd executing program [ 171.987249][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 171.996767][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 171.999573][ T4742] usb 3-1: USB disconnect, device number 57 [ 172.023516][ T5007] usb 1-1: config 0 descriptor?? executing program [ 172.109347][ T4399] usb 5-1: USB disconnect, device number 58 [ 172.123061][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 172.127305][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 172.167716][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 172.247206][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 172.256545][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 172.267035][ T2633] usb 4-1: config 0 descriptor?? executing program [ 172.297278][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 172.298375][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 172.307119][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 172.330832][ T5007] usb 2-1: USB disconnect, device number 59 [ 172.359972][ T4628] usb 6-1: config 0 descriptor?? [ 172.387146][ T4742] usb 3-1: new high-speed USB device number 58 using dummy_hcd executing program [ 172.467068][ T4399] usb 5-1: new high-speed USB device number 59 using dummy_hcd [ 172.499088][ T4755] usb 1-1: USB disconnect, device number 59 [ 172.538042][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 172.617885][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 172.631656][ T4742] usb 3-1: Using ep0 maxpacket: 8 executing program [ 172.707148][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 172.727039][ T5007] usb 2-1: new high-speed USB device number 60 using dummy_hcd [ 172.739302][ T32] usb 4-1: USB disconnect, device number 59 [ 172.750005][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 172.759214][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 172.783579][ T4742] usb 3-1: config 0 descriptor?? executing program [ 172.819043][ T4628] usb 6-1: USB disconnect, device number 58 [ 172.847406][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 172.856542][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 172.880238][ T4399] usb 5-1: config 0 descriptor?? [ 172.927304][ T4755] usb 1-1: new high-speed USB device number 60 using dummy_hcd [ 173.007065][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 173.048009][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 173.137887][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 173.167085][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 173.168249][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 173.181803][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 173.190701][ T32] usb 4-1: new high-speed USB device number 60 using dummy_hcd [ 173.201728][ T5007] usb 2-1: config 0 descriptor?? executing program [ 173.229278][ T4628] usb 6-1: new high-speed USB device number 59 using dummy_hcd [ 173.249688][ T4407] usb 3-1: USB disconnect, device number 58 [ 173.287615][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 173.296695][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 173.307895][ T4755] usb 1-1: config 0 descriptor?? executing program [ 173.340203][ T4399] usb 5-1: USB disconnect, device number 59 [ 173.467501][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 173.473334][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 173.478347][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 173.568330][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 173.597335][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 173.606757][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 173.617242][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 173.625810][ T4628] usb 6-1: config 0 descriptor?? [ 173.626834][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 173.639909][ T4407] usb 3-1: new high-speed USB device number 59 using dummy_hcd [ 173.654448][ T32] usb 4-1: config 0 descriptor?? executing program [ 173.669865][ T5007] usb 2-1: USB disconnect, device number 60 executing program [ 173.757130][ T4399] usb 5-1: new high-speed USB device number 60 using dummy_hcd [ 173.769940][ T4755] usb 1-1: USB disconnect, device number 60 [ 173.888091][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 173.897362][ T4407] usb 3-1: Using ep0 maxpacket: 8 [ 173.928714][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 173.997174][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 174.047168][ T4407] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 174.056259][ T4407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 174.066816][ T4407] usb 3-1: config 0 descriptor?? executing program [ 174.089588][ T32] usb 6-1: USB disconnect, device number 59 [ 174.101878][ T5007] usb 2-1: new high-speed USB device number 61 using dummy_hcd [ 174.117586][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 174.126842][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 174.137751][ T4755] usb 1-1: new high-speed USB device number 61 using dummy_hcd [ 174.165428][ T4399] usb 5-1: config 0 descriptor?? [ 174.175685][ T4628] usb 4-1: USB disconnect, device number 60 [ 174.338047][ T4407] hso 3-1:0.0: Failed to find BULK IN ep [ 174.377085][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 174.387333][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 174.428253][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 174.507266][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 174.507268][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 174.507303][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 174.516500][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 174.525786][ T32] usb 6-1: new high-speed USB device number 60 using dummy_hcd [ 174.542781][ T4399] usb 3-1: USB disconnect, device number 59 executing program [ 174.556311][ T4628] usb 4-1: new high-speed USB device number 61 using dummy_hcd [ 174.567685][ T5007] usb 2-1: config 0 descriptor?? [ 174.578116][ T4755] usb 1-1: config 0 descriptor?? executing program [ 174.631002][ T4742] usb 5-1: USB disconnect, device number 60 [ 174.817069][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 174.817821][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 174.827838][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 174.838578][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 174.937127][ T4399] usb 3-1: new high-speed USB device number 60 using dummy_hcd [ 174.945740][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 174.954893][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 174.969713][ T4628] usb 4-1: config 0 descriptor?? executing program [ 174.987520][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 174.996852][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 175.007959][ T32] usb 6-1: config 0 descriptor?? [ 175.027790][ T4755] usb 2-1: USB disconnect, device number 61 executing program [ 175.037239][ T4742] usb 5-1: new high-speed USB device number 61 using dummy_hcd [ 175.054116][ T2633] usb 1-1: USB disconnect, device number 61 [ 175.197059][ T4399] usb 3-1: Using ep0 maxpacket: 8 [ 175.228356][ T4628] hso 4-1:0.0: Failed to find BULK IN ep [ 175.258531][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 175.287191][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 175.317247][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 175.326532][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 175.342052][ T4399] usb 3-1: config 0 descriptor?? [ 175.397233][ T4755] usb 2-1: new high-speed USB device number 62 using dummy_hcd [ 175.408235][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 175.418050][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 175.426178][ T2633] usb 1-1: new high-speed USB device number 62 using dummy_hcd [ 175.439096][ T4742] usb 5-1: config 0 descriptor?? executing program executing program [ 175.444693][ T4628] usb 4-1: USB disconnect, device number 61 [ 175.463416][ T32] usb 6-1: USB disconnect, device number 60 [ 175.608080][ T4399] hso 3-1:0.0: Failed to find BULK IN ep [ 175.637061][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 175.677136][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 175.698410][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 175.757420][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 175.766730][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 175.778184][ T4755] usb 2-1: config 0 descriptor?? executing program [ 175.807282][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 175.809346][ T5007] usb 3-1: USB disconnect, device number 60 [ 175.816637][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 175.843583][ T2633] usb 1-1: config 0 descriptor?? [ 175.860268][ T4628] usb 4-1: new high-speed USB device number 62 using dummy_hcd executing program [ 175.902959][ T4407] usb 5-1: USB disconnect, device number 61 [ 175.909133][ T32] usb 6-1: new high-speed USB device number 61 using dummy_hcd [ 176.047992][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 176.107258][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 176.128084][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 176.167215][ T32] usb 6-1: Using ep0 maxpacket: 8 executing program [ 176.227213][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 176.236421][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 176.237082][ T5007] usb 3-1: new high-speed USB device number 61 using dummy_hcd [ 176.250593][ T4628] usb 4-1: config 0 descriptor?? [ 176.268493][ T2633] usb 2-1: USB disconnect, device number 62 [ 176.287631][ T4407] usb 5-1: new high-speed USB device number 62 using dummy_hcd [ 176.307771][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 176.317505][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 176.330288][ T1551] usb 1-1: USB disconnect, device number 62 executing program [ 176.338804][ T32] usb 6-1: config 0 descriptor?? [ 176.528394][ T4628] hso 4-1:0.0: Failed to find BULK IN ep [ 176.537115][ T4407] usb 5-1: Using ep0 maxpacket: 8 [ 176.543225][ T5007] usb 3-1: Using ep0 maxpacket: 8 [ 176.599115][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 176.637129][ T2633] usb 2-1: new high-speed USB device number 63 using dummy_hcd [ 176.687348][ T5007] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 176.696611][ T5007] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 176.704849][ T4407] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 176.714117][ T4407] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 176.724385][ T4407] usb 5-1: config 0 descriptor?? [ 176.729616][ T1551] usb 1-1: new high-speed USB device number 63 using dummy_hcd executing program [ 176.729908][ T4628] usb 4-1: USB disconnect, device number 62 [ 176.738723][ T5007] usb 3-1: config 0 descriptor?? executing program [ 176.804074][ T32] usb 6-1: USB disconnect, device number 61 [ 176.887060][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 176.997081][ T1551] usb 1-1: Using ep0 maxpacket: 8 [ 177.018053][ T4407] hso 5-1:0.0: Failed to find BULK IN ep [ 177.028930][ T5007] hso 3-1:0.0: Failed to find BULK IN ep [ 177.057578][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 177.066792][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 177.098012][ T2633] usb 2-1: config 0 descriptor?? [ 177.117314][ T1551] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 177.126616][ T1551] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 177.138082][ T4628] usb 4-1: new high-speed USB device number 63 using dummy_hcd [ 177.139688][ T1551] usb 1-1: config 0 descriptor?? [ 177.177086][ T32] usb 6-1: new high-speed USB device number 62 using dummy_hcd executing program executing program [ 177.219429][ T5007] usb 5-1: USB disconnect, device number 62 [ 177.237512][ T4755] usb 3-1: USB disconnect, device number 61 [ 177.368086][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 177.407171][ T4628] usb 4-1: Using ep0 maxpacket: 8 [ 177.408334][ T1551] hso 1-1:0.0: Failed to find BULK IN ep [ 177.427193][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 177.547256][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 177.556835][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 177.567180][ T4628] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 177.576030][ T32] usb 6-1: config 0 descriptor?? [ 177.576616][ T4628] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program executing program [ 177.594435][ T4628] usb 4-1: config 0 descriptor?? [ 177.609765][ T1551] usb 2-1: USB disconnect, device number 63 [ 177.627483][ T5007] usb 5-1: new high-speed USB device number 63 using dummy_hcd [ 177.649623][ T4407] usb 1-1: USB disconnect, device number 63 [ 177.687372][ T4755] usb 3-1: new high-speed USB device number 62 using dummy_hcd [ 177.867687][ T5007] usb 5-1: Using ep0 maxpacket: 8 [ 177.873377][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 177.888124][ T4628] hso 4-1:0.0: Failed to find BULK IN ep [ 177.967079][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 177.987133][ T5007] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 177.996394][ T5007] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 178.004679][ T1551] usb 2-1: new high-speed USB device number 64 using dummy_hcd [ 178.016444][ T5007] usb 5-1: config 0 descriptor?? [ 178.027230][ T4407] usb 1-1: new high-speed USB device number 64 using dummy_hcd executing program executing program [ 178.069187][ T4628] usb 6-1: USB disconnect, device number 62 [ 178.089256][ T2633] usb 4-1: USB disconnect, device number 63 [ 178.101182][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 178.110679][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 178.131563][ T4755] usb 3-1: config 0 descriptor?? [ 178.247090][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 178.267208][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 178.279050][ T5007] hso 5-1:0.0: Failed to find BULK IN ep [ 178.367280][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 178.377486][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 178.388234][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 178.388913][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 178.397366][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 178.414556][ T1551] usb 2-1: config 0 descriptor?? [ 178.426797][ T4407] usb 1-1: config 0 descriptor?? executing program [ 178.481150][ T4755] usb 5-1: USB disconnect, device number 63 [ 178.487297][ T4628] usb 6-1: new high-speed USB device number 63 using dummy_hcd executing program [ 178.567324][ T2633] usb 4-1: new high-speed USB device number 64 using dummy_hcd [ 178.590437][ T5007] usb 3-1: USB disconnect, device number 62 [ 178.708209][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 178.721000][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 178.729569][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 178.737858][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.747939][ T4407] Workqueue: usb_hub_wq hub_event [ 178.753088][ T4407] Call Trace: [ 178.756478][ T4407] dump_stack+0xfa/0x151 [ 178.760857][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 178.766101][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 178.771764][ T4407] sysfs_create_link+0x5f/0xc0 [ 178.776622][ T4407] device_add+0x789/0x1db0 [ 178.781288][ T4407] ? memset+0x20/0x40 [ 178.785281][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 178.790761][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 178.797816][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 178.803118][ T4407] tty_register_device_attr+0x395/0x7b0 [ 178.808848][ T4407] ? send_break.part.0+0x300/0x300 [ 178.814158][ T4407] ? mark_held_locks+0x9f/0xe0 [ 178.819121][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 178.824737][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 178.830604][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 178.836743][ T4407] hso_serial_common_create+0x124/0x8b0 [ 178.842333][ T4407] ? kasan_unpoison+0x3a/0x60 [ 178.847024][ T4407] hso_probe+0xef9/0x1f70 [ 178.851384][ T4407] usb_probe_interface+0x315/0x7f0 [ 178.856728][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 178.862152][ T4407] really_probe+0x291/0xe60 [ 178.866655][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 178.873003][ T4407] driver_probe_device+0x26b/0x3d0 [ 178.878124][ T4407] __device_attach_driver+0x1d1/0x290 [ 178.883670][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 178.890689][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 178.895597][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 178.900622][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 178.906614][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 178.911669][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 178.917518][ T4407] __device_attach+0x228/0x4a0 [ 178.922429][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 178.928635][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 178.933954][ T4407] bus_probe_device+0x1e4/0x290 [ 178.938836][ T4407] device_add+0xbdb/0x1db0 [ 178.943321][ T4407] ? wait_for_completion_io+0x270/0x270 [ 178.949129][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 178.955408][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 178.961809][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 178.967712][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 178.973971][ T4407] usb_set_configuration+0x113f/0x1910 [ 178.979529][ T4407] usb_generic_driver_probe+0xba/0x100 [ 178.984994][ T4407] usb_probe_device+0xd9/0x2c0 [ 178.989764][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 178.995912][ T4407] really_probe+0x291/0xe60 [ 179.000540][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 179.006793][ T4407] driver_probe_device+0x26b/0x3d0 [ 179.012111][ T4407] __device_attach_driver+0x1d1/0x290 [ 179.017478][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 179.023614][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 179.028867][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 179.034738][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 179.041212][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 179.046444][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 179.052358][ T4407] __device_attach+0x228/0x4a0 [ 179.057477][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 179.063555][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 179.068883][ T4407] bus_probe_device+0x1e4/0x290 [ 179.073950][ T4407] device_add+0xbdb/0x1db0 [ 179.079445][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 179.088101][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 179.094809][ T4407] usb_new_device.cold+0x721/0x1058 [ 179.100052][ T4407] ? hub_disconnect+0x510/0x510 [ 179.104923][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 179.110478][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 179.117052][ T4407] hub_event+0x2357/0x4320 [ 179.121741][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 179.126967][ T4407] ? zap_class+0x5b1/0x9a0 [ 179.131507][ T4407] ? process_one_work+0x521/0x1580 [ 179.136637][ T4407] ? lock_release+0x6d0/0x6d0 [ 179.141330][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 179.146184][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 179.151229][ T4407] ? lock_is_held_type+0x98/0x110 [ 179.156271][ T4407] process_one_work+0x98d/0x1580 [ 179.161221][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 179.166773][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 179.171863][ T4407] worker_thread+0x64c/0x1120 [ 179.176569][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 179.181599][ T4407] ? process_one_work+0x1580/0x1580 [ 179.187081][ T4407] kthread+0x38c/0x460 [ 179.191311][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 179.196553][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 179.201886][ T4407] ret_from_fork+0x1f/0x30 executing program [ 179.208232][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 179.220911][ T1551] usb 2-1: USB disconnect, device number 64 [ 179.267577][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 179.271414][ T4407] usb 1-1: USB disconnect, device number 64 [ 179.297148][ T4755] usb 5-1: new high-speed USB device number 64 using dummy_hcd [ 179.347295][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 179.356385][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 179.369318][ T4628] usb 6-1: config 0 descriptor?? [ 179.397680][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 179.406820][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 179.407066][ T5007] usb 3-1: new high-speed USB device number 63 using dummy_hcd [ 179.417377][ T2633] usb 4-1: config 0 descriptor?? [ 179.587089][ T1551] usb 2-1: new high-speed USB device number 65 using dummy_hcd [ 179.587145][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 179.637187][ T4407] usb 1-1: new high-speed USB device number 65 using dummy_hcd [ 179.648323][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 179.687093][ T5007] usb 3-1: Using ep0 maxpacket: 8 [ 179.708582][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 179.727585][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 179.737265][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 179.754526][ T4755] usb 5-1: config 0 descriptor?? executing program [ 179.807155][ T5007] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 179.816558][ T5007] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 179.827524][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 179.835611][ T5007] usb 3-1: config 0 descriptor?? [ 179.851024][ T32] usb 6-1: USB disconnect, device number 63 [ 179.878561][ T4407] usb 1-1: Using ep0 maxpacket: 8 executing program [ 179.911003][ T4401] usb 4-1: USB disconnect, device number 64 [ 179.947138][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 179.956575][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 179.967842][ T1551] usb 2-1: config 0 descriptor?? [ 179.997213][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 180.006868][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 180.018171][ T4755] hso 5-1:0.0: Failed to find BULK IN ep [ 180.025902][ T4407] usb 1-1: config 0 descriptor?? [ 180.099563][ T5007] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 180.219516][ T4755] usb 5-1: USB disconnect, device number 64 [ 180.233495][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 180.267701][ T32] usb 6-1: new high-speed USB device number 64 using dummy_hcd [ 180.276453][ T4401] usb 4-1: new high-speed USB device number 65 using dummy_hcd [ 180.299510][ T1551] usb 3-1: USB disconnect, device number 63 executing program [ 180.312687][ T4407] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 180.433300][ T4407] usb 2-1: USB disconnect, device number 65 executing program [ 180.514123][ T5007] usb 1-1: USB disconnect, device number 65 [ 180.520187][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 180.525324][ T4401] usb 4-1: Using ep0 maxpacket: 8 [ 180.637479][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 180.646549][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 180.654951][ T4401] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 180.657066][ T4755] usb 5-1: new high-speed USB device number 65 using dummy_hcd [ 180.664064][ T4401] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 180.681569][ T32] usb 6-1: config 0 descriptor?? [ 180.691920][ T4401] usb 4-1: config 0 descriptor?? [ 180.747246][ T1551] usb 3-1: new high-speed USB device number 64 using dummy_hcd [ 180.827095][ T4407] usb 2-1: new high-speed USB device number 66 using dummy_hcd [ 180.897068][ T5007] usb 1-1: new high-speed USB device number 66 using dummy_hcd [ 180.927059][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 180.938436][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 180.958250][ T4401] hso 4-1:0.0: Failed to find BULK IN ep [ 180.987183][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 181.067163][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 181.067197][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 181.081345][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 181.094713][ T4755] usb 5-1: config 0 descriptor?? [ 181.107481][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 181.116689][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 181.127663][ T1551] usb 3-1: config 0 descriptor?? [ 181.137388][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 181.145917][ T4401] usb 6-1: USB disconnect, device number 64 executing program [ 181.163362][ T2633] usb 4-1: USB disconnect, device number 65 [ 181.197771][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 181.206862][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 181.243075][ T4407] usb 2-1: config 0 descriptor?? [ 181.259928][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 181.269424][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 181.290192][ T5007] usb 1-1: config 0 descriptor?? [ 181.378184][ T4755] hso 5-1:0.0: Failed to find BULK IN ep [ 181.392510][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 181.527110][ T4401] usb 6-1: new high-speed USB device number 65 using dummy_hcd [ 181.539421][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 181.554834][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 181.567329][ T2633] usb 4-1: new high-speed USB device number 66 using dummy_hcd executing program executing program [ 181.583468][ T4755] usb 5-1: USB disconnect, device number 65 [ 181.611754][ T4628] usb 3-1: USB disconnect, device number 64 executing program executing program [ 181.739878][ T4742] usb 2-1: USB disconnect, device number 66 [ 181.756796][ T5007] usb 1-1: USB disconnect, device number 66 [ 181.767810][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 181.817111][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 181.887132][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 181.896650][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 181.909353][ T4401] usb 6-1: config 0 descriptor?? [ 181.947312][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 181.956494][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 181.969078][ T2633] usb 4-1: config 0 descriptor?? [ 182.007378][ T4755] usb 5-1: new high-speed USB device number 66 using dummy_hcd [ 182.015291][ T4628] usb 3-1: new high-speed USB device number 65 using dummy_hcd [ 182.127079][ T5007] usb 1-1: new high-speed USB device number 67 using dummy_hcd [ 182.168255][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 182.179907][ T4742] usb 2-1: new high-speed USB device number 67 using dummy_hcd [ 182.218713][ T2633] hso 4-1:0.0: Failed to find BULK IN ep [ 182.277196][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 182.317213][ T4628] usb 3-1: Using ep0 maxpacket: 8 executing program [ 182.367050][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 182.369883][ T2633] usb 6-1: USB disconnect, device number 65 executing program [ 182.419468][ T4399] usb 4-1: USB disconnect, device number 66 [ 182.431428][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 182.440798][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 182.457315][ T4742] usb 2-1: Using ep0 maxpacket: 8 [ 182.462819][ T4755] usb 5-1: config 0 descriptor?? [ 182.487236][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 182.496553][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 182.497129][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 182.513840][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 182.525239][ T4628] usb 3-1: config 0 descriptor?? [ 182.532076][ T5007] usb 1-1: config 0 descriptor?? [ 182.617429][ T4742] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 182.626830][ T4742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 182.638547][ T4742] usb 2-1: config 0 descriptor?? [ 182.748351][ T4755] hso 5-1:0.0: Failed to find BULK IN ep [ 182.807978][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 182.817660][ T4628] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 182.826003][ T4628] CPU: 0 PID: 4628 Comm: kworker/0:4 Not tainted 5.11.0-syzkaller #0 [ 182.834090][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.844165][ T4628] Workqueue: usb_hub_wq hub_event [ 182.849231][ T4628] Call Trace: [ 182.852567][ T4628] dump_stack+0xfa/0x151 [ 182.856829][ T4628] sysfs_warn_dup.cold+0x1c/0x29 [ 182.861815][ T4628] sysfs_do_create_link_sd+0x11e/0x140 [ 182.867326][ T4628] sysfs_create_link+0x5f/0xc0 [ 182.872113][ T4628] device_add+0x789/0x1db0 [ 182.876633][ T4628] ? memset+0x20/0x40 [ 182.880628][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 182.886115][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 182.892474][ T4628] ? __init_waitqueue_head+0x6b/0xd0 [ 182.897799][ T4628] tty_register_device_attr+0x395/0x7b0 [ 182.903392][ T4628] ? send_break.part.0+0x300/0x300 [ 182.908535][ T4628] ? mark_held_locks+0x9f/0xe0 [ 182.913334][ T4628] ? lockdep_init_map_type+0x2c3/0x780 [ 182.919073][ T4628] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 182.925077][ T4628] ? tty_port_register_device_attr+0xbc/0x110 [ 182.931260][ T4628] hso_serial_common_create+0x124/0x8b0 [ 182.936979][ T4628] ? kasan_unpoison+0x3a/0x60 [ 182.942735][ T4628] hso_probe+0xef9/0x1f70 [ 182.947082][ T4628] usb_probe_interface+0x315/0x7f0 [ 182.952211][ T4628] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 182.957719][ T4628] really_probe+0x291/0xe60 [ 182.962862][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 182.969146][ T4628] driver_probe_device+0x26b/0x3d0 [ 182.974301][ T4628] __device_attach_driver+0x1d1/0x290 [ 182.979707][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 182.986748][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 182.991906][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 182.996953][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 183.003734][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 183.009873][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 183.015721][ T4628] __device_attach+0x228/0x4a0 [ 183.020683][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 183.027392][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 183.032793][ T4628] bus_probe_device+0x1e4/0x290 [ 183.037865][ T4628] device_add+0xbdb/0x1db0 [ 183.042313][ T4628] ? wait_for_completion_io+0x270/0x270 [ 183.047885][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 183.054166][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 183.060337][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 183.066349][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 183.073029][ T4628] usb_set_configuration+0x113f/0x1910 [ 183.093382][ T4628] usb_generic_driver_probe+0xba/0x100 [ 183.098874][ T4628] usb_probe_device+0xd9/0x2c0 [ 183.103670][ T4628] ? usb_driver_release_interface+0x180/0x180 [ 183.110196][ T4628] really_probe+0x291/0xe60 [ 183.114719][ T4628] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 183.121073][ T4628] driver_probe_device+0x26b/0x3d0 [ 183.126294][ T4628] __device_attach_driver+0x1d1/0x290 [ 183.131713][ T4628] ? driver_allows_async_probing+0x150/0x150 [ 183.137726][ T4628] bus_for_each_drv+0x15f/0x1e0 [ 183.142691][ T4628] ? bus_for_each_dev+0x1d0/0x1d0 [ 183.147733][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 183.153821][ T4628] ? trace_hardirqs_on+0x5b/0x1a0 [ 183.158949][ T4628] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 183.164778][ T4628] __device_attach+0x228/0x4a0 [ 183.169567][ T4628] ? __driver_attach_async_helper+0x330/0x330 [ 183.175659][ T4628] ? kobject_uevent_env+0x2bb/0x1680 [ 183.180971][ T4628] bus_probe_device+0x1e4/0x290 [ 183.185863][ T4628] device_add+0xbdb/0x1db0 [ 183.190298][ T4628] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 183.196698][ T4628] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 183.202979][ T4628] usb_new_device.cold+0x721/0x1058 [ 183.208206][ T4628] ? hub_disconnect+0x510/0x510 [ 183.213099][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 183.218081][ T4628] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 183.224083][ T4628] hub_event+0x2357/0x4320 [ 183.228520][ T4628] ? hub_port_debounce+0x3c0/0x3c0 [ 183.233675][ T4628] ? zap_class+0x5b0/0x9a0 [ 183.238123][ T4628] ? process_one_work+0x521/0x1580 [ 183.243339][ T4628] ? lock_release+0x6d0/0x6d0 [ 183.248036][ T4628] ? lock_downgrade+0x6d0/0x6d0 [ 183.252924][ T4628] ? do_raw_spin_lock+0x120/0x2b0 [ 183.266381][ T4628] ? lock_is_held_type+0x98/0x110 [ 183.271632][ T4628] process_one_work+0x98d/0x1580 [ 183.276616][ T4628] ? pwq_dec_nr_in_flight+0x320/0x320 [ 183.282026][ T4628] ? rwlock_bug.part.0+0x90/0x90 [ 183.287078][ T4628] worker_thread+0x64c/0x1120 [ 183.292526][ T4628] ? __kthread_parkme+0x118/0x1d0 [ 183.297941][ T4628] ? process_one_work+0x1580/0x1580 [ 183.303163][ T4628] kthread+0x38c/0x460 executing program [ 183.307245][ T4628] ? _raw_spin_unlock_irq+0x1f/0x30 [ 183.312466][ T4628] ? __kthread_bind_mask+0xc0/0xc0 [ 183.317595][ T4628] ret_from_fork+0x1f/0x30 [ 183.327035][ T2633] usb 6-1: new high-speed USB device number 66 using dummy_hcd [ 183.334711][ T4399] usb 4-1: new high-speed USB device number 67 using dummy_hcd [ 183.341090][ T4401] usb 1-1: USB disconnect, device number 67 [ 183.349489][ T5007] usb 5-1: USB disconnect, device number 66 executing program executing program [ 183.358912][ T4742] hso 2-1:0.0: Failed to find BULK IN ep [ 183.470592][ T4628] usb 3-1: USB disconnect, device number 65 executing program [ 183.559481][ T4742] usb 2-1: USB disconnect, device number 67 [ 183.587057][ T2633] usb 6-1: Using ep0 maxpacket: 8 [ 183.592257][ T4399] usb 4-1: Using ep0 maxpacket: 8 [ 183.717080][ T5007] usb 5-1: new high-speed USB device number 67 using dummy_hcd [ 183.727913][ T4401] usb 1-1: new high-speed USB device number 68 using dummy_hcd [ 183.737268][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 183.746416][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 183.758307][ T4399] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 183.767638][ T4399] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 183.778026][ T2633] usb 6-1: config 0 descriptor?? [ 183.793086][ T4399] usb 4-1: config 0 descriptor?? [ 183.858050][ T4628] usb 3-1: new high-speed USB device number 66 using dummy_hcd [ 183.957059][ T5007] usb 5-1: Using ep0 maxpacket: 8 [ 183.957159][ T4742] usb 2-1: new high-speed USB device number 68 using dummy_hcd [ 183.968285][ T4401] usb 1-1: Using ep0 maxpacket: 8 [ 184.038009][ T2633] hso 6-1:0.0: Failed to find BULK IN ep [ 184.077327][ T5007] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 184.078143][ T4399] hso 4-1:0.0: Failed to find BULK IN ep [ 184.086633][ T5007] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 184.101352][ T4401] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 184.110488][ T4401] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 184.117304][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 184.124882][ T4401] usb 1-1: config 0 descriptor?? [ 184.132490][ T5007] usb 5-1: config 0 descriptor?? [ 184.207104][ T4742] usb 2-1: Using ep0 maxpacket: 8 executing program [ 184.239198][ T4407] usb 6-1: USB disconnect, device number 66 executing program [ 184.283066][ T4399] usb 4-1: USB disconnect, device number 67 [ 184.290216][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 184.299439][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 184.325044][ T4628] usb 3-1: config 0 descriptor?? [ 184.347446][ T4742] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 184.356666][ T4742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 184.368987][ T4742] usb 2-1: config 0 descriptor?? [ 184.388501][ T4401] hso 1-1:0.0: Failed to find BULK IN ep [ 184.418683][ T5007] hso 5-1:0.0: Failed to find BULK IN ep executing program executing program [ 184.588160][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 184.589704][ T5007] usb 1-1: USB disconnect, device number 68 [ 184.607078][ T4407] usb 6-1: new high-speed USB device number 67 using dummy_hcd [ 184.624592][ T4401] usb 5-1: USB disconnect, device number 67 [ 184.639125][ T4742] hso 2-1:0.0: Failed to find BULK IN ep [ 184.677158][ T4399] usb 4-1: new high-speed USB device number 68 using dummy_hcd executing program [ 184.789737][ T4742] usb 3-1: USB disconnect, device number 66 executing program [ 184.840460][ T4628] usb 2-1: USB disconnect, device number 68 [ 184.847426][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 184.967197][ T4399] usb 4-1: Using ep0 maxpacket: 8 [ 184.977154][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 184.986284][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 184.994789][ T5007] usb 1-1: new high-speed USB device number 69 using dummy_hcd [ 185.003994][ T4407] usb 6-1: config 0 descriptor?? [ 185.009264][ T4401] usb 5-1: new high-speed USB device number 68 using dummy_hcd [ 185.127153][ T4399] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 185.136511][ T4399] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 185.147545][ T4399] usb 4-1: config 0 descriptor?? [ 185.177088][ T4742] usb 3-1: new high-speed USB device number 67 using dummy_hcd [ 185.237130][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 185.247195][ T4628] usb 2-1: new high-speed USB device number 69 using dummy_hcd [ 185.257140][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 185.278254][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 185.357232][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 185.368722][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 185.377907][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 185.387571][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 185.396947][ T5007] usb 1-1: config 0 descriptor?? [ 185.404101][ T4401] usb 5-1: config 0 descriptor?? [ 185.408327][ T4399] hso 4-1:0.0: Failed to find BULK IN ep [ 185.427344][ T4742] usb 3-1: Using ep0 maxpacket: 8 executing program [ 185.480756][ T4399] usb 6-1: USB disconnect, device number 67 [ 185.497087][ T4628] usb 2-1: Using ep0 maxpacket: 8 [ 185.557580][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 185.568246][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 185.582273][ T4742] usb 3-1: config 0 descriptor?? executing program [ 185.610972][ T4407] usb 4-1: USB disconnect, device number 68 [ 185.637416][ T4628] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 185.646731][ T4628] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 185.659487][ T4628] usb 2-1: config 0 descriptor?? [ 185.668063][ T5007] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 185.675604][ T5007] CPU: 1 PID: 5007 Comm: kworker/1:6 Not tainted 5.11.0-syzkaller #0 [ 185.683701][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.693783][ T5007] Workqueue: usb_hub_wq hub_event [ 185.698855][ T5007] Call Trace: [ 185.702152][ T5007] dump_stack+0xfa/0x151 [ 185.706947][ T5007] sysfs_warn_dup.cold+0x1c/0x29 [ 185.711921][ T5007] sysfs_do_create_link_sd+0x11e/0x140 [ 185.717405][ T5007] sysfs_create_link+0x5f/0xc0 [ 185.722184][ T5007] device_add+0x789/0x1db0 [ 185.726957][ T5007] ? memset+0x20/0x40 [ 185.730965][ T5007] ? lockdep_init_map_type+0x2c3/0x780 [ 185.736512][ T5007] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 185.742771][ T5007] ? __init_waitqueue_head+0x6b/0xd0 [ 185.748082][ T5007] tty_register_device_attr+0x395/0x7b0 [ 185.754153][ T5007] ? send_break.part.0+0x300/0x300 [ 185.759993][ T5007] ? mark_held_locks+0x9f/0xe0 [ 185.765128][ T5007] ? lockdep_init_map_type+0x2c3/0x780 [ 185.770806][ T5007] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 185.776653][ T5007] ? tty_port_register_device_attr+0xbc/0x110 [ 185.782723][ T5007] hso_serial_common_create+0x124/0x8b0 [ 185.788314][ T5007] ? kasan_unpoison+0x3a/0x60 [ 185.794091][ T5007] hso_probe+0xef9/0x1f70 [ 185.798544][ T5007] usb_probe_interface+0x315/0x7f0 [ 185.803805][ T5007] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 185.809244][ T5007] really_probe+0x291/0xe60 [ 185.813743][ T5007] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 185.819979][ T5007] driver_probe_device+0x26b/0x3d0 [ 185.825099][ T5007] __device_attach_driver+0x1d1/0x290 [ 185.830500][ T5007] ? driver_allows_async_probing+0x150/0x150 [ 185.836492][ T5007] bus_for_each_drv+0x15f/0x1e0 [ 185.841364][ T5007] ? bus_for_each_dev+0x1d0/0x1d0 [ 185.846818][ T5007] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 185.852973][ T5007] ? trace_hardirqs_on+0x5b/0x1a0 [ 185.858142][ T5007] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 185.864136][ T5007] __device_attach+0x228/0x4a0 [ 185.868925][ T5007] ? __driver_attach_async_helper+0x330/0x330 [ 185.875023][ T5007] ? kobject_uevent_env+0x2bb/0x1680 [ 185.880364][ T5007] bus_probe_device+0x1e4/0x290 [ 185.886119][ T5007] device_add+0xbdb/0x1db0 [ 185.890572][ T5007] ? wait_for_completion_io+0x270/0x270 [ 185.896143][ T5007] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 185.902407][ T5007] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 185.908687][ T5007] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 185.914787][ T5007] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 185.921046][ T5007] usb_set_configuration+0x113f/0x1910 [ 185.926682][ T5007] usb_generic_driver_probe+0xba/0x100 [ 185.932161][ T5007] usb_probe_device+0xd9/0x2c0 [ 185.937071][ T5007] ? usb_driver_release_interface+0x180/0x180 [ 185.943347][ T5007] really_probe+0x291/0xe60 [ 185.947877][ T5007] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 185.954117][ T5007] driver_probe_device+0x26b/0x3d0 [ 185.959971][ T5007] __device_attach_driver+0x1d1/0x290 [ 185.965453][ T5007] ? driver_allows_async_probing+0x150/0x150 [ 185.971541][ T5007] bus_for_each_drv+0x15f/0x1e0 [ 185.976478][ T5007] ? bus_for_each_dev+0x1d0/0x1d0 [ 185.981527][ T5007] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 185.987520][ T5007] ? trace_hardirqs_on+0x5b/0x1a0 [ 185.992584][ T5007] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 185.998484][ T5007] __device_attach+0x228/0x4a0 [ 186.003475][ T5007] ? __driver_attach_async_helper+0x330/0x330 [ 186.009542][ T5007] ? kobject_uevent_env+0x2bb/0x1680 [ 186.014912][ T5007] bus_probe_device+0x1e4/0x290 [ 186.019963][ T5007] device_add+0xbdb/0x1db0 [ 186.024602][ T5007] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 186.031079][ T5007] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 186.037503][ T5007] usb_new_device.cold+0x721/0x1058 [ 186.043367][ T5007] ? hub_disconnect+0x510/0x510 [ 186.048446][ T5007] ? rwlock_bug.part.0+0x90/0x90 [ 186.055401][ T5007] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 186.061536][ T5007] hub_event+0x2357/0x4320 [ 186.066374][ T5007] ? hub_port_debounce+0x3c0/0x3c0 [ 186.071777][ T5007] ? zap_class+0x5b0/0x9a0 [ 186.076191][ T5007] ? process_one_work+0x521/0x1580 [ 186.081386][ T5007] ? lock_release+0x6d0/0x6d0 [ 186.086152][ T5007] ? lock_downgrade+0x6d0/0x6d0 [ 186.091046][ T5007] ? do_raw_spin_lock+0x120/0x2b0 [ 186.096083][ T5007] ? lock_is_held_type+0x98/0x110 [ 186.101241][ T5007] process_one_work+0x98d/0x1580 [ 186.106186][ T5007] ? pwq_dec_nr_in_flight+0x320/0x320 [ 186.111581][ T5007] ? rwlock_bug.part.0+0x90/0x90 [ 186.116542][ T5007] worker_thread+0x64c/0x1120 [ 186.121277][ T5007] ? __kthread_parkme+0x118/0x1d0 [ 186.126296][ T5007] ? process_one_work+0x1580/0x1580 [ 186.131497][ T5007] kthread+0x38c/0x460 [ 186.135669][ T5007] ? _raw_spin_unlock_irq+0x1f/0x30 [ 186.140865][ T5007] ? __kthread_bind_mask+0xc0/0xc0 [ 186.146010][ T5007] ret_from_fork+0x1f/0x30 [ 186.153517][ T4401] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 186.163488][ T4401] usb 5-1: USB disconnect, device number 68 [ 186.167574][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 186.177141][ T5007] usb 1-1: USB disconnect, device number 69 executing program [ 186.357163][ T4399] usb 6-1: new high-speed USB device number 68 using dummy_hcd [ 186.369193][ T4742] usb 3-1: USB disconnect, device number 67 [ 186.398570][ T4628] hso 2-1:0.0: Failed to find BULK IN ep [ 186.447229][ T4407] usb 4-1: new high-speed USB device number 69 using dummy_hcd executing program [ 186.567122][ T5007] usb 1-1: new high-speed USB device number 70 using dummy_hcd [ 186.587141][ T4401] usb 5-1: new high-speed USB device number 69 using dummy_hcd [ 186.599432][ T4628] usb 2-1: USB disconnect, device number 69 [ 186.627061][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 186.687155][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 186.747170][ T4742] usb 3-1: new high-speed USB device number 68 using dummy_hcd [ 186.767446][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 186.778011][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 186.792091][ T4399] usb 6-1: config 0 descriptor?? [ 186.807331][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 186.816582][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 186.825056][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 186.830855][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 186.837430][ T4407] usb 4-1: config 0 descriptor?? [ 186.947279][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 186.956552][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 186.964747][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 186.973878][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 186.983804][ T5007] usb 1-1: config 0 descriptor?? [ 186.990510][ T4401] usb 5-1: config 0 descriptor?? [ 186.998345][ T4742] usb 3-1: Using ep0 maxpacket: 8 [ 187.003503][ T4628] usb 2-1: new high-speed USB device number 70 using dummy_hcd [ 187.068425][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 187.098364][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 187.137347][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 187.146669][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 187.165834][ T4742] usb 3-1: config 0 descriptor?? [ 187.247986][ T4401] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 187.258097][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 187.266543][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.276725][ T4401] Workqueue: usb_hub_wq hub_event [ 187.281761][ T4401] Call Trace: [ 187.285063][ T4401] dump_stack+0xfa/0x151 [ 187.289455][ T4401] sysfs_warn_dup.cold+0x1c/0x29 [ 187.294505][ T4401] sysfs_do_create_link_sd+0x11e/0x140 [ 187.299975][ T4401] sysfs_create_link+0x5f/0xc0 [ 187.304734][ T4401] device_add+0x789/0x1db0 [ 187.309141][ T4401] ? memset+0x20/0x40 [ 187.313220][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 187.318883][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.325121][ T4401] ? __init_waitqueue_head+0x6b/0xd0 [ 187.330410][ T4401] tty_register_device_attr+0x395/0x7b0 [ 187.335988][ T4401] ? send_break.part.0+0x300/0x300 [ 187.341124][ T4401] ? mark_held_locks+0x9f/0xe0 [ 187.345885][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 187.351357][ T4401] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 187.357286][ T4401] ? tty_port_register_device_attr+0xbc/0x110 [ 187.363478][ T4401] hso_serial_common_create+0x124/0x8b0 [ 187.369020][ T4401] ? kasan_unpoison+0x3a/0x60 [ 187.373793][ T4401] hso_probe+0xef9/0x1f70 [ 187.378158][ T4401] usb_probe_interface+0x315/0x7f0 [ 187.383382][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 187.389037][ T4401] really_probe+0x291/0xe60 [ 187.393642][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 187.399897][ T4401] driver_probe_device+0x26b/0x3d0 [ 187.405055][ T4401] __device_attach_driver+0x1d1/0x290 [ 187.410613][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 187.416617][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 187.421648][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 187.427212][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 187.433221][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 187.438276][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 187.444187][ T4401] __device_attach+0x228/0x4a0 executing program [ 187.449099][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 187.455463][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 187.460791][ T4401] bus_probe_device+0x1e4/0x290 [ 187.465865][ T4401] device_add+0xbdb/0x1db0 [ 187.470607][ T4401] ? wait_for_completion_io+0x270/0x270 [ 187.476297][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.482591][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 187.488888][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 187.495764][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 187.502049][ T4401] usb_set_configuration+0x113f/0x1910 [ 187.507820][ T4401] usb_generic_driver_probe+0xba/0x100 [ 187.513901][ T4401] usb_probe_device+0xd9/0x2c0 [ 187.518700][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 187.524908][ T4401] really_probe+0x291/0xe60 [ 187.529434][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 187.535927][ T4401] driver_probe_device+0x26b/0x3d0 [ 187.541075][ T4401] __device_attach_driver+0x1d1/0x290 [ 187.546602][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 187.554058][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 187.559075][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 187.564102][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 187.570096][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 187.575358][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 187.581288][ T4401] __device_attach+0x228/0x4a0 [ 187.586155][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 187.592473][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 187.598854][ T4401] bus_probe_device+0x1e4/0x290 [ 187.603750][ T4401] device_add+0xbdb/0x1db0 [ 187.608188][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.615164][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 187.621871][ T4401] usb_new_device.cold+0x721/0x1058 [ 187.627079][ T4401] ? hub_disconnect+0x510/0x510 [ 187.631966][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 187.636967][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 187.643060][ T4401] hub_event+0x2357/0x4320 [ 187.648030][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 187.653550][ T4401] ? zap_class+0x5b0/0x9a0 [ 187.658448][ T4401] ? process_one_work+0x521/0x1580 [ 187.663698][ T4401] ? lock_release+0x6d0/0x6d0 [ 187.668397][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 187.673448][ T4401] ? do_raw_spin_lock+0x120/0x2b0 [ 187.678480][ T4401] ? lock_is_held_type+0x98/0x110 [ 187.683615][ T4401] process_one_work+0x98d/0x1580 [ 187.688589][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 187.694120][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 187.699080][ T4401] worker_thread+0x82b/0x1120 [ 187.703850][ T4401] ? process_one_work+0x1580/0x1580 [ 187.709064][ T4401] kthread+0x38c/0x460 [ 187.713145][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 187.718366][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 187.724689][ T4401] ret_from_fork+0x1f/0x30 [ 187.736952][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 187.738459][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 187.746837][ T5007] usb 1-1: USB disconnect, device number 70 [ 187.750332][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 187.762925][ T4401] usb 5-1: USB disconnect, device number 69 [ 187.764453][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.774859][ T1551] usb 4-1: USB disconnect, device number 69 [ 187.780503][ T4742] Workqueue: usb_hub_wq hub_event [ 187.780541][ T4742] Call Trace: [ 187.780550][ T4742] dump_stack+0xfa/0x151 [ 187.780576][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 187.786931][ T4407] usb 6-1: USB disconnect, device number 68 [ 187.791490][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 187.791521][ T4742] sysfs_create_link+0x5f/0xc0 [ 187.791542][ T4742] device_add+0x789/0x1db0 [ 187.791563][ T4742] ? memset+0x20/0x40 [ 187.791583][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 187.791607][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.791630][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 187.791654][ T4742] tty_register_device_attr+0x395/0x7b0 [ 187.851778][ T4742] ? send_break.part.0+0x300/0x300 [ 187.856915][ T4742] ? mark_held_locks+0x9f/0xe0 [ 187.861703][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 187.867191][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 187.873024][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 187.879370][ T4742] hso_serial_common_create+0x124/0x8b0 [ 187.885133][ T4742] ? kasan_unpoison+0x3a/0x60 [ 187.889844][ T4742] hso_probe+0xef9/0x1f70 [ 187.894365][ T4742] usb_probe_interface+0x315/0x7f0 [ 187.899589][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 187.905438][ T4742] really_probe+0x291/0xe60 [ 187.910173][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 187.916809][ T4742] driver_probe_device+0x26b/0x3d0 [ 187.921954][ T4742] __device_attach_driver+0x1d1/0x290 [ 187.927366][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 187.933540][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 187.938420][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 187.943486][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 187.949757][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 187.954884][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 187.961004][ T4742] __device_attach+0x228/0x4a0 [ 187.965788][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 187.971971][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 187.977276][ T4742] bus_probe_device+0x1e4/0x290 [ 187.982142][ T4742] device_add+0xbdb/0x1db0 [ 187.986566][ T4742] ? wait_for_completion_io+0x270/0x270 [ 187.992324][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 187.998601][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 188.004629][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 188.010457][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 188.016827][ T4742] usb_set_configuration+0x113f/0x1910 [ 188.022316][ T4742] usb_generic_driver_probe+0xba/0x100 [ 188.027815][ T4742] usb_probe_device+0xd9/0x2c0 [ 188.032702][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 188.038794][ T4742] really_probe+0x291/0xe60 [ 188.043330][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 188.050027][ T4742] driver_probe_device+0x26b/0x3d0 [ 188.055252][ T4742] __device_attach_driver+0x1d1/0x290 [ 188.060650][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 188.066649][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 188.071536][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 188.076573][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 188.082577][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 188.087627][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 188.093560][ T4742] __device_attach+0x228/0x4a0 [ 188.098443][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 188.104893][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 188.110387][ T4742] bus_probe_device+0x1e4/0x290 [ 188.115432][ T4742] device_add+0xbdb/0x1db0 [ 188.119970][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 188.126252][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 188.133141][ T4742] usb_new_device.cold+0x721/0x1058 [ 188.138572][ T4742] ? hub_disconnect+0x510/0x510 [ 188.143609][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 188.148660][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 188.154658][ T4742] hub_event+0x2357/0x4320 [ 188.159099][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 188.164253][ T4742] ? zap_class+0x5b0/0x9a0 [ 188.168690][ T4742] ? process_one_work+0x521/0x1580 [ 188.173818][ T4742] ? lock_release+0x6d0/0x6d0 [ 188.178505][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 188.183583][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 188.188750][ T4742] ? lock_is_held_type+0x98/0x110 [ 188.193821][ T4742] process_one_work+0x98d/0x1580 [ 188.198795][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 [ 188.204292][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 188.209514][ T4742] worker_thread+0x64c/0x1120 [ 188.214399][ T4742] ? __kthread_parkme+0x118/0x1d0 [ 188.219454][ T4742] ? process_one_work+0x1580/0x1580 [ 188.225199][ T4742] kthread+0x38c/0x460 [ 188.229386][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 [ 188.234692][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 188.239840][ T4742] ret_from_fork+0x1f/0x30 [ 188.244781][ T4628] usb 2-1: Using ep0 maxpacket: 8 executing program executing program executing program executing program [ 188.253250][ T4742] usb 3-1: USB disconnect, device number 68 [ 188.377226][ T4628] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 188.386648][ T4628] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 188.401283][ T4628] usb 2-1: config 0 descriptor?? [ 188.487422][ T5007] usb 1-1: new high-speed USB device number 71 using dummy_hcd [ 188.647110][ T4401] usb 5-1: new high-speed USB device number 70 using dummy_hcd [ 188.654775][ T1551] usb 4-1: new high-speed USB device number 70 using dummy_hcd [ 188.663678][ T4407] usb 6-1: new high-speed USB device number 69 using dummy_hcd [ 188.677613][ T4742] usb 3-1: new high-speed USB device number 69 using dummy_hcd [ 188.686004][ T4628] hso 2-1:0.0: Failed to find BULK IN ep [ 188.727081][ T5007] usb 1-1: Using ep0 maxpacket: 8 executing program [ 188.847219][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 188.856677][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 188.869438][ T5007] usb 1-1: config 0 descriptor?? [ 188.882628][ T32] usb 2-1: USB disconnect, device number 70 [ 188.908352][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 188.913526][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 188.919080][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 188.957111][ T4742] usb 3-1: Using ep0 maxpacket: 8 [ 189.027182][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 189.037400][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 189.045654][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 189.054825][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 189.062994][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 189.072204][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 189.082169][ T1551] usb 4-1: config 0 descriptor?? [ 189.089610][ T4401] usb 5-1: config 0 descriptor?? [ 189.096194][ T4407] usb 6-1: config 0 descriptor?? [ 189.107632][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 189.116905][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 189.128757][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 189.166627][ T4742] usb 3-1: config 0 descriptor?? [ 189.277084][ T32] usb 2-1: new high-speed USB device number 71 using dummy_hcd executing program [ 189.329334][ T5007] usb 1-1: USB disconnect, device number 71 [ 189.358223][ T1551] hso 4-1:0.0: Failed to find BULK IN ep [ 189.368219][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 189.376032][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 189.384136][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.397202][ T4407] Workqueue: usb_hub_wq hub_event [ 189.402359][ T4407] Call Trace: [ 189.405760][ T4407] dump_stack+0xfa/0x151 [ 189.410117][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 189.415079][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 189.420552][ T4407] sysfs_create_link+0x5f/0xc0 [ 189.425342][ T4407] device_add+0x789/0x1db0 [ 189.429849][ T4407] ? memset+0x20/0x40 [ 189.433832][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 189.439322][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 189.445589][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 189.453921][ T4407] tty_register_device_attr+0x395/0x7b0 [ 189.459611][ T4407] ? send_break.part.0+0x300/0x300 [ 189.464830][ T4407] ? mark_held_locks+0x9f/0xe0 [ 189.469701][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 189.475187][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 189.480937][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 189.487122][ T4407] hso_serial_common_create+0x124/0x8b0 [ 189.492758][ T4407] ? kasan_unpoison+0x3a/0x60 [ 189.497968][ T4407] hso_probe+0xef9/0x1f70 [ 189.502373][ T4407] usb_probe_interface+0x315/0x7f0 [ 189.507531][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 189.512901][ T4407] really_probe+0x291/0xe60 [ 189.517940][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 189.524191][ T4407] driver_probe_device+0x26b/0x3d0 [ 189.529312][ T4407] __device_attach_driver+0x1d1/0x290 [ 189.534898][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 189.541174][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 189.546308][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 189.551484][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 189.557829][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 189.563171][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 189.569007][ T4407] __device_attach+0x228/0x4a0 [ 189.573769][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 189.580010][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 189.585305][ T4407] bus_probe_device+0x1e4/0x290 [ 189.590180][ T4407] device_add+0xbdb/0x1db0 [ 189.594599][ T4407] ? wait_for_completion_io+0x270/0x270 [ 189.600242][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 189.606580][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 189.612580][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 189.618619][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 189.624864][ T4407] usb_set_configuration+0x113f/0x1910 [ 189.630572][ T4407] usb_generic_driver_probe+0xba/0x100 [ 189.636141][ T4407] usb_probe_device+0xd9/0x2c0 [ 189.641977][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 189.648287][ T4407] really_probe+0x291/0xe60 [ 189.652959][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 189.659323][ T4407] driver_probe_device+0x26b/0x3d0 [ 189.664437][ T4407] __device_attach_driver+0x1d1/0x290 [ 189.670001][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 189.676267][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 189.681570][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 189.686788][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 189.692965][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 189.698032][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 189.703941][ T4407] __device_attach+0x228/0x4a0 [ 189.708830][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 189.714905][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 189.720200][ T4407] bus_probe_device+0x1e4/0x290 [ 189.725796][ T4407] device_add+0xbdb/0x1db0 [ 189.730251][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 189.736501][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 189.742875][ T4407] usb_new_device.cold+0x721/0x1058 [ 189.748082][ T4407] ? hub_disconnect+0x510/0x510 [ 189.753144][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 189.759177][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 189.765744][ T4407] hub_event+0x2357/0x4320 [ 189.770900][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 189.776607][ T4407] ? zap_class+0x5b0/0x9a0 [ 189.781387][ T4407] ? process_one_work+0x521/0x1580 [ 189.786761][ T4407] ? lock_release+0x6d0/0x6d0 [ 189.794842][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 189.800404][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 189.805491][ T4407] ? lock_is_held_type+0x98/0x110 [ 189.810644][ T4407] process_one_work+0x98d/0x1580 [ 189.815651][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 189.821140][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 189.826084][ T4407] worker_thread+0x64c/0x1120 [ 189.830765][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 189.837714][ T4407] ? process_one_work+0x1580/0x1580 [ 189.843944][ T4407] kthread+0x38c/0x460 [ 189.848015][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 189.853602][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 189.860118][ T4407] ret_from_fork+0x1f/0x30 [ 189.871642][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 189.878495][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 189.879117][ T1551] usb 4-1: USB disconnect, device number 70 [ 189.886071][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 189.897623][ T4407] usb 6-1: USB disconnect, device number 69 [ 189.900414][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.918252][ T4742] Workqueue: usb_hub_wq hub_event [ 189.923415][ T4742] Call Trace: [ 189.926796][ T4742] dump_stack+0xfa/0x151 executing program executing program executing program [ 189.931074][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 189.936174][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 189.941796][ T4742] sysfs_create_link+0x5f/0xc0 [ 189.946616][ T4742] device_add+0x789/0x1db0 [ 189.951221][ T4742] ? memset+0x20/0x40 [ 189.955237][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 189.960752][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 189.967295][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 189.972839][ T4742] tty_register_device_attr+0x395/0x7b0 [ 189.978671][ T4742] ? send_break.part.0+0x300/0x300 [ 189.983816][ T4742] ? mark_held_locks+0x9f/0xe0 [ 189.988609][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 189.988954][ T32] usb 2-1: Using ep0 maxpacket: 8 [ 189.994110][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 189.994142][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 189.994169][ T4742] hso_serial_common_create+0x124/0x8b0 [ 189.994195][ T4742] ? kasan_unpoison+0x3a/0x60 [ 189.994218][ T4742] hso_probe+0xef9/0x1f70 [ 190.005343][ T4401] usb 5-1: USB disconnect, device number 70 [ 190.011478][ T4742] usb_probe_interface+0x315/0x7f0 [ 190.011524][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 190.011550][ T4742] really_probe+0x291/0xe60 [ 190.011573][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 190.011597][ T4742] driver_probe_device+0x26b/0x3d0 [ 190.011619][ T4742] __device_attach_driver+0x1d1/0x290 [ 190.011641][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 190.011665][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 190.011687][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 190.080561][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 190.087814][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 190.092891][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 190.099300][ T4742] __device_attach+0x228/0x4a0 [ 190.104114][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 190.110611][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 190.115955][ T4742] bus_probe_device+0x1e4/0x290 [ 190.120867][ T4742] device_add+0xbdb/0x1db0 [ 190.125338][ T4742] ? wait_for_completion_io+0x270/0x270 [ 190.131129][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.137816][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 190.144387][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 190.151035][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 190.157494][ T32] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 190.157759][ T4742] usb_set_configuration+0x113f/0x1910 [ 190.157795][ T4742] usb_generic_driver_probe+0xba/0x100 [ 190.157821][ T4742] usb_probe_device+0xd9/0x2c0 [ 190.167126][ T32] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 190.172500][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 190.178464][ T5007] usb 1-1: new high-speed USB device number 72 using dummy_hcd [ 190.182787][ T4742] really_probe+0x291/0xe60 [ 190.182820][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 190.182846][ T4742] driver_probe_device+0x26b/0x3d0 [ 190.182871][ T4742] __device_attach_driver+0x1d1/0x290 [ 190.182895][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 190.233946][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 190.238931][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 190.243998][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 190.251169][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 190.256261][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 190.262202][ T4742] __device_attach+0x228/0x4a0 [ 190.267024][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 190.269027][ T32] usb 2-1: config 0 descriptor?? [ 190.273317][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 190.273351][ T4742] bus_probe_device+0x1e4/0x290 [ 190.273377][ T4742] device_add+0xbdb/0x1db0 [ 190.273398][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 190.299425][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 190.306070][ T4742] usb_new_device.cold+0x721/0x1058 [ 190.311428][ T4742] ? hub_disconnect+0x510/0x510 [ 190.316313][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 190.321373][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 190.327385][ T4742] hub_event+0x2357/0x4320 [ 190.332078][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 190.337315][ T4742] ? zap_class+0x5b0/0x9a0 [ 190.341782][ T4742] ? process_one_work+0x521/0x1580 [ 190.346923][ T4742] ? lock_release+0x6d0/0x6d0 [ 190.347177][ T4407] usb 6-1: new high-speed USB device number 70 using dummy_hcd [ 190.351630][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 190.351664][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 190.351691][ T4742] ? lock_is_held_type+0x98/0x110 [ 190.351720][ T4742] process_one_work+0x98d/0x1580 [ 190.381444][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 [ 190.387405][ T1551] usb 4-1: new high-speed USB device number 71 using dummy_hcd [ 190.387774][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 190.401516][ T4742] worker_thread+0x82b/0x1120 [ 190.407244][ T4742] ? __kthread_parkme+0x118/0x1d0 [ 190.412665][ T4742] ? process_one_work+0x1580/0x1580 [ 190.419041][ T4742] kthread+0x38c/0x460 [ 190.423655][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 executing program [ 190.430032][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 190.435864][ T4742] ret_from_fork+0x1f/0x30 [ 190.437114][ T4401] usb 5-1: new high-speed USB device number 71 using dummy_hcd [ 190.446124][ T4742] usb 3-1: USB disconnect, device number 69 [ 190.487426][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 190.558571][ T32] hso 2-1:0.0: Failed to find BULK IN ep [ 190.607289][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 190.616913][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 190.626503][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 190.632523][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 190.640845][ T5007] usb 1-1: config 0 descriptor?? [ 190.707091][ T4401] usb 5-1: Using ep0 maxpacket: 8 executing program [ 190.757310][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 190.759683][ T4628] usb 2-1: USB disconnect, device number 71 [ 190.766404][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 190.780669][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 190.789893][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 190.811938][ T1551] usb 4-1: config 0 descriptor?? [ 190.829605][ T4407] usb 6-1: config 0 descriptor?? [ 190.840168][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 190.849712][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 190.861688][ T4401] usb 5-1: config 0 descriptor?? [ 190.877354][ T4742] usb 3-1: new high-speed USB device number 70 using dummy_hcd [ 190.899521][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 191.087869][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 191.095777][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 191.099443][ T4399] usb 1-1: USB disconnect, device number 72 [ 191.103879][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 191.119835][ T1551] Workqueue: usb_hub_wq hub_event [ 191.125169][ T1551] Call Trace: [ 191.128466][ T1551] dump_stack+0xfa/0x151 [ 191.132744][ T1551] sysfs_warn_dup.cold+0x1c/0x29 executing program [ 191.137726][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 191.143228][ T1551] sysfs_create_link+0x5f/0xc0 [ 191.148117][ T1551] device_add+0x789/0x1db0 [ 191.152562][ T1551] ? memset+0x20/0x40 [ 191.156627][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 191.162120][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 191.168483][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 191.173802][ T1551] tty_register_device_attr+0x395/0x7b0 [ 191.179482][ T1551] ? send_break.part.0+0x300/0x300 [ 191.184633][ T1551] ? mark_held_locks+0x9f/0xe0 [ 191.189558][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 191.195283][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 191.201114][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 191.207206][ T1551] hso_serial_common_create+0x124/0x8b0 [ 191.212754][ T1551] ? kasan_unpoison+0x3a/0x60 [ 191.217456][ T1551] hso_probe+0xef9/0x1f70 [ 191.221784][ T1551] usb_probe_interface+0x315/0x7f0 [ 191.227130][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 191.232846][ T1551] really_probe+0x291/0xe60 [ 191.237405][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 191.244037][ T1551] driver_probe_device+0x26b/0x3d0 [ 191.249253][ T1551] __device_attach_driver+0x1d1/0x290 [ 191.254654][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 191.260652][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 191.265743][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 191.271026][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 191.277330][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 191.282922][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 191.288935][ T1551] __device_attach+0x228/0x4a0 [ 191.294257][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 191.300349][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 191.305678][ T1551] bus_probe_device+0x1e4/0x290 [ 191.310654][ T1551] device_add+0xbdb/0x1db0 [ 191.315391][ T1551] ? wait_for_completion_io+0x270/0x270 [ 191.320985][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 191.327698][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 191.333802][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 191.339652][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 191.346006][ T1551] usb_set_configuration+0x113f/0x1910 [ 191.351491][ T1551] usb_generic_driver_probe+0xba/0x100 [ 191.357004][ T1551] usb_probe_device+0xd9/0x2c0 [ 191.361991][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 191.368076][ T1551] really_probe+0x291/0xe60 [ 191.372601][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 191.379725][ T1551] driver_probe_device+0x26b/0x3d0 [ 191.385053][ T1551] __device_attach_driver+0x1d1/0x290 [ 191.390483][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 191.398654][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 191.403525][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 191.408565][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 191.414570][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 191.420368][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 191.426401][ T1551] __device_attach+0x228/0x4a0 [ 191.431378][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 191.437565][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 191.443138][ T1551] bus_probe_device+0x1e4/0x290 [ 191.448026][ T1551] device_add+0xbdb/0x1db0 [ 191.452580][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 191.458838][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 191.465108][ T1551] usb_new_device.cold+0x721/0x1058 [ 191.470462][ T1551] ? hub_disconnect+0x510/0x510 [ 191.475450][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 191.480586][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 191.486643][ T1551] hub_event+0x2357/0x4320 [ 191.491101][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 191.496532][ T1551] ? zap_class+0x5b0/0x9a0 [ 191.500969][ T1551] ? process_one_work+0x521/0x1580 [ 191.506195][ T1551] ? lock_release+0x6d0/0x6d0 [ 191.510968][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 191.516400][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 191.521542][ T1551] ? lock_is_held_type+0x98/0x110 [ 191.526682][ T1551] process_one_work+0x98d/0x1580 [ 191.531648][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 191.537046][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 191.542115][ T1551] worker_thread+0x82b/0x1120 [ 191.546817][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 191.552127][ T1551] ? process_one_work+0x1580/0x1580 [ 191.557403][ T1551] kthread+0x38c/0x460 [ 191.561496][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 191.567058][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 191.572280][ T1551] ret_from_fork+0x1f/0x30 [ 191.577660][ T4407] hso 6-1:0.0: Failed to find BULK IN ep executing program [ 191.588345][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 191.605541][ T1551] usb 4-1: USB disconnect, device number 71 [ 191.608865][ T2633] usb 6-1: USB disconnect, device number 70 [ 191.618118][ T4742] usb 3-1: Using ep0 maxpacket: 8 executing program [ 191.647261][ T4628] usb 2-1: new high-speed USB device number 72 using dummy_hcd executing program [ 191.747943][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 191.757138][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 191.769683][ T4742] usb 3-1: config 0 descriptor?? [ 191.790343][ T4407] usb 5-1: USB disconnect, device number 71 [ 191.907073][ T4399] usb 1-1: new high-speed USB device number 73 using dummy_hcd [ 191.927058][ T4628] usb 2-1: Using ep0 maxpacket: 8 [ 192.047123][ T1551] usb 4-1: new high-speed USB device number 72 using dummy_hcd [ 192.058279][ T2633] usb 6-1: new high-speed USB device number 71 using dummy_hcd [ 192.067120][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 192.077355][ T4628] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 192.086808][ T4628] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 192.105161][ T4628] usb 2-1: config 0 descriptor?? [ 192.157295][ T4407] usb 5-1: new high-speed USB device number 72 using dummy_hcd [ 192.158327][ T4399] usb 1-1: Using ep0 maxpacket: 8 executing program [ 192.258901][ T4401] usb 3-1: USB disconnect, device number 70 [ 192.287076][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 192.317425][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 192.326584][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 192.334807][ T2633] usb 6-1: Using ep0 maxpacket: 8 [ 192.343950][ T4399] usb 1-1: config 0 descriptor?? [ 192.368404][ T4628] hso 2-1:0.0: Failed to find BULK IN ep [ 192.407297][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 192.416544][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 192.424882][ T4407] usb 5-1: Using ep0 maxpacket: 8 [ 192.436095][ T1551] usb 4-1: config 0 descriptor?? [ 192.477386][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 192.486745][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 192.498933][ T2633] usb 6-1: config 0 descriptor?? executing program [ 192.547177][ T4407] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 192.556956][ T4407] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 192.567806][ T4407] usb 5-1: config 0 descriptor?? [ 192.573213][ T4628] usb 2-1: USB disconnect, device number 72 [ 192.608136][ T4399] hso 1-1:0.0: Failed to find BULK IN ep [ 192.677359][ T4401] usb 3-1: new high-speed USB device number 71 using dummy_hcd [ 192.698446][ T1551] hso 4-1:0.0: Failed to find BULK IN ep [ 192.758418][ T2633] hso 6-1:0.0: Failed to find BULK IN ep executing program [ 192.808852][ T2633] usb 1-1: USB disconnect, device number 73 [ 192.858670][ T4407] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 192.899371][ T4399] usb 4-1: USB disconnect, device number 72 [ 192.917047][ T4401] usb 3-1: Using ep0 maxpacket: 8 executing program [ 192.959873][ T4742] usb 6-1: USB disconnect, device number 71 [ 192.987220][ T4628] usb 2-1: new high-speed USB device number 73 using dummy_hcd executing program [ 193.037955][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 193.047304][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 193.069522][ T4401] usb 3-1: config 0 descriptor?? [ 193.087659][ T4407] usb 5-1: USB disconnect, device number 72 [ 193.177337][ T2633] usb 1-1: new high-speed USB device number 74 using dummy_hcd [ 193.267209][ T4628] usb 2-1: Using ep0 maxpacket: 8 [ 193.347137][ T4742] usb 6-1: new high-speed USB device number 72 using dummy_hcd [ 193.348251][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 193.354923][ T4399] usb 4-1: new high-speed USB device number 73 using dummy_hcd [ 193.407237][ T4628] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 193.416575][ T4628] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 193.427365][ T4628] usb 2-1: config 0 descriptor?? [ 193.447112][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 193.447634][ T4407] usb 5-1: new high-speed USB device number 73 using dummy_hcd executing program [ 193.550195][ T4401] usb 3-1: USB disconnect, device number 71 [ 193.587333][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 193.596532][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 193.607759][ T2633] usb 1-1: config 0 descriptor?? [ 193.637144][ T4742] usb 6-1: Using ep0 maxpacket: 8 [ 193.642489][ T4399] usb 4-1: Using ep0 maxpacket: 8 [ 193.688315][ T4628] hso 2-1:0.0: Failed to find BULK IN ep [ 193.697188][ T4407] usb 5-1: Using ep0 maxpacket: 8 [ 193.797208][ T4399] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 193.806476][ T4399] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 193.815762][ T4742] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 193.817202][ T4407] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 193.824972][ T4742] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 193.834733][ T4407] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 193.847464][ T4399] usb 4-1: config 0 descriptor?? [ 193.860658][ T4742] usb 6-1: config 0 descriptor?? [ 193.878535][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 193.903172][ T1551] usb 2-1: USB disconnect, device number 73 [ 193.917133][ T4401] usb 3-1: new high-speed USB device number 72 using dummy_hcd [ 193.927344][ T4407] usb 5-1: config 0 descriptor?? executing program [ 194.079814][ T5007] usb 1-1: USB disconnect, device number 74 [ 194.118285][ T4399] hso 4-1:0.0: Failed to find BULK IN ep [ 194.148451][ T4742] hso 6-1:0.0: Failed to find BULK IN ep [ 194.177181][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 194.209008][ T4407] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 194.287152][ T1551] usb 2-1: new high-speed USB device number 74 using dummy_hcd [ 194.298197][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 194.307882][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 194.319923][ T4742] usb 4-1: USB disconnect, device number 73 [ 194.326823][ T4401] usb 3-1: config 0 descriptor?? executing program [ 194.350834][ T4407] usb 6-1: USB disconnect, device number 72 executing program [ 194.409516][ T32] usb 5-1: USB disconnect, device number 73 [ 194.437108][ T5007] usb 1-1: new high-speed USB device number 75 using dummy_hcd [ 194.527198][ T1551] usb 2-1: Using ep0 maxpacket: 8 [ 194.608002][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 194.647309][ T1551] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 194.656636][ T1551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 194.667881][ T1551] usb 2-1: config 0 descriptor?? [ 194.688142][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 194.707201][ T4742] usb 4-1: new high-speed USB device number 74 using dummy_hcd [ 194.727476][ T4407] usb 6-1: new high-speed USB device number 73 using dummy_hcd [ 194.777120][ T32] usb 5-1: new high-speed USB device number 74 using dummy_hcd [ 194.807221][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 194.809456][ T4399] usb 3-1: USB disconnect, device number 72 executing program [ 194.816350][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 194.850357][ T5007] usb 1-1: config 0 descriptor?? [ 194.928114][ T1551] hso 2-1:0.0: Failed to find BULK IN ep [ 194.967066][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 194.967095][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 195.027103][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 195.097208][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 195.106424][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 195.116598][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 195.127496][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 195.132683][ T4407] usb 6-1: config 0 descriptor?? executing program [ 195.136915][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 195.147292][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 195.159019][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 195.190259][ T4742] usb 4-1: config 0 descriptor?? [ 195.209018][ T32] usb 5-1: config 0 descriptor?? [ 195.229590][ T2633] usb 2-1: USB disconnect, device number 74 [ 195.247423][ T4399] usb 3-1: new high-speed USB device number 73 using dummy_hcd executing program [ 195.321283][ T5007] usb 1-1: USB disconnect, device number 75 [ 195.427893][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 195.469062][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 195.482015][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 195.517076][ T4399] usb 3-1: Using ep0 maxpacket: 8 executing program [ 195.627104][ T2633] usb 2-1: new high-speed USB device number 75 using dummy_hcd [ 195.638347][ T4742] usb 6-1: USB disconnect, device number 73 [ 195.657560][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 195.666652][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program executing program [ 195.684410][ T4755] usb 4-1: USB disconnect, device number 74 [ 195.687247][ T5007] usb 1-1: new high-speed USB device number 76 using dummy_hcd [ 195.691205][ T4628] usb 5-1: USB disconnect, device number 74 [ 195.714368][ T4399] usb 3-1: config 0 descriptor?? [ 195.887216][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 195.947082][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 195.988590][ T4399] hso 3-1:0.0: Failed to find BULK IN ep [ 196.027152][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 196.036838][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 196.047358][ T2633] usb 2-1: config 0 descriptor?? [ 196.067374][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 196.067510][ T4742] usb 6-1: new high-speed USB device number 74 using dummy_hcd [ 196.076490][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 196.096498][ T5007] usb 1-1: config 0 descriptor?? [ 196.098001][ T4755] usb 4-1: new high-speed USB device number 75 using dummy_hcd [ 196.109227][ T4628] usb 5-1: new high-speed USB device number 75 using dummy_hcd executing program [ 196.189524][ T32] usb 3-1: USB disconnect, device number 73 [ 196.308449][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 196.337282][ T4742] usb 6-1: Using ep0 maxpacket: 8 [ 196.357217][ T4628] usb 5-1: Using ep0 maxpacket: 8 [ 196.368775][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 196.377241][ T4755] usb 4-1: Using ep0 maxpacket: 8 executing program [ 196.497294][ T4742] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 196.506635][ T4742] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 196.513396][ T5007] usb 2-1: USB disconnect, device number 75 [ 196.527203][ T4628] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 196.536460][ T4628] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 196.547309][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 196.556819][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 196.567546][ T4742] usb 6-1: config 0 descriptor?? [ 196.575437][ T4628] usb 5-1: config 0 descriptor?? [ 196.579887][ T4407] usb 1-1: USB disconnect, device number 76 [ 196.594462][ T4755] usb 4-1: config 0 descriptor?? [ 196.597611][ T32] usb 3-1: new high-speed USB device number 74 using dummy_hcd [ 196.827992][ T4742] hso 6-1:0.0: Failed to find BULK IN ep [ 196.857078][ T32] usb 3-1: Using ep0 maxpacket: 8 [ 196.858099][ T4755] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 196.869840][ T4755] CPU: 0 PID: 4755 Comm: kworker/0:6 Not tainted 5.11.0-syzkaller #0 [ 196.877941][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 196.888169][ T4755] Workqueue: usb_hub_wq hub_event [ 196.893324][ T4755] Call Trace: [ 196.896923][ T4755] dump_stack+0xfa/0x151 [ 196.901962][ T4755] sysfs_warn_dup.cold+0x1c/0x29 [ 196.906924][ T4755] sysfs_do_create_link_sd+0x11e/0x140 [ 196.907088][ T5007] usb 2-1: new high-speed USB device number 76 using dummy_hcd [ 196.912509][ T4755] sysfs_create_link+0x5f/0xc0 [ 196.912545][ T4755] device_add+0x789/0x1db0 [ 196.912568][ T4755] ? memset+0x20/0x40 [ 196.912590][ T4755] ? lockdep_init_map_type+0x2c3/0x780 [ 196.912616][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 196.945612][ T4755] ? __init_waitqueue_head+0x6b/0xd0 [ 196.955101][ T4755] tty_register_device_attr+0x395/0x7b0 [ 196.960655][ T4755] ? send_break.part.0+0x300/0x300 [ 196.965795][ T4755] ? mark_held_locks+0x9f/0xe0 [ 196.967103][ T4407] usb 1-1: new high-speed USB device number 77 using dummy_hcd [ 196.970582][ T4755] ? lockdep_init_map_type+0x2c3/0x780 [ 196.970615][ T4755] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 196.970639][ T4755] ? tty_port_register_device_attr+0xbc/0x110 [ 196.978468][ T32] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 196.983634][ T4755] hso_serial_common_create+0x124/0x8b0 [ 196.983668][ T4755] ? kasan_unpoison+0x3a/0x60 [ 196.989492][ T32] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 196.995548][ T4755] hso_probe+0xef9/0x1f70 [ 197.017962][ T32] usb 3-1: config 0 descriptor?? [ 197.025489][ T4755] usb_probe_interface+0x315/0x7f0 [ 197.025534][ T4755] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 197.025558][ T4755] really_probe+0x291/0xe60 [ 197.048143][ T1551] usb 6-1: USB disconnect, device number 74 [ 197.050165][ T4755] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 197.050201][ T4755] driver_probe_device+0x26b/0x3d0 [ 197.050228][ T4755] __device_attach_driver+0x1d1/0x290 executing program [ 197.050253][ T4755] ? driver_allows_async_probing+0x150/0x150 [ 197.079486][ T4755] bus_for_each_drv+0x15f/0x1e0 [ 197.085357][ T4755] ? bus_for_each_dev+0x1d0/0x1d0 [ 197.090416][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.096435][ T4755] ? trace_hardirqs_on+0x5b/0x1a0 [ 197.101541][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 197.107384][ T4755] __device_attach+0x228/0x4a0 [ 197.112201][ T4755] ? __driver_attach_async_helper+0x330/0x330 [ 197.118307][ T4755] ? kobject_uevent_env+0x2bb/0x1680 [ 197.123627][ T4755] bus_probe_device+0x1e4/0x290 [ 197.128629][ T4755] device_add+0xbdb/0x1db0 [ 197.133078][ T4755] ? wait_for_completion_io+0x270/0x270 [ 197.139091][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 197.145372][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.152039][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 197.157552][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 197.157893][ T4755] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 197.169786][ T4755] usb_set_configuration+0x113f/0x1910 [ 197.175300][ T4755] usb_generic_driver_probe+0xba/0x100 [ 197.180792][ T4755] usb_probe_device+0xd9/0x2c0 [ 197.186068][ T4755] ? usb_driver_release_interface+0x180/0x180 [ 197.192170][ T4755] really_probe+0x291/0xe60 [ 197.196708][ T4755] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 197.202980][ T4755] driver_probe_device+0x26b/0x3d0 [ 197.208123][ T4755] __device_attach_driver+0x1d1/0x290 [ 197.213702][ T4755] ? driver_allows_async_probing+0x150/0x150 [ 197.219728][ T4755] bus_for_each_drv+0x15f/0x1e0 [ 197.224611][ T4755] ? bus_for_each_dev+0x1d0/0x1d0 [ 197.229661][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.236285][ T4755] ? trace_hardirqs_on+0x5b/0x1a0 [ 197.241537][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 197.249057][ T4755] __device_attach+0x228/0x4a0 [ 197.253847][ T4755] ? __driver_attach_async_helper+0x330/0x330 [ 197.260000][ T4755] ? kobject_uevent_env+0x2bb/0x1680 [ 197.265286][ T4755] bus_probe_device+0x1e4/0x290 [ 197.270613][ T4755] device_add+0xbdb/0x1db0 [ 197.275039][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 197.277226][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 197.281664][ T4755] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 197.281699][ T4755] usb_new_device.cold+0x721/0x1058 [ 197.281730][ T4755] ? hub_disconnect+0x510/0x510 [ 197.294095][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 197.300278][ T4755] ? rwlock_bug.part.0+0x90/0x90 [ 197.300312][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.300337][ T4755] hub_event+0x2357/0x4320 [ 197.300365][ T4755] ? hub_port_debounce+0x3c0/0x3c0 [ 197.300391][ T4755] ? zap_class+0x5b0/0x9a0 [ 197.317430][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 197.324222][ T4755] ? process_one_work+0x521/0x1580 [ 197.361734][ T4755] ? lock_release+0x6d0/0x6d0 [ 197.366432][ T4755] ? lock_downgrade+0x6d0/0x6d0 [ 197.372389][ T4755] ? lock_is_held_type+0x98/0x110 [ 197.377705][ T4755] process_one_work+0x98d/0x1580 [ 197.382772][ T4755] ? pwq_dec_nr_in_flight+0x320/0x320 [ 197.388364][ T4755] ? rwlock_bug.part.0+0x90/0x90 [ 197.393422][ T4755] worker_thread+0x64c/0x1120 [ 197.398650][ T4755] ? __kthread_parkme+0x118/0x1d0 [ 197.403697][ T4755] ? process_one_work+0x1580/0x1580 [ 197.408917][ T4755] kthread+0x38c/0x460 [ 197.413007][ T4755] ? _raw_spin_unlock_irq+0x1f/0x30 [ 197.418220][ T4755] ? __kthread_bind_mask+0xc0/0xc0 [ 197.423435][ T4755] ret_from_fork+0x1f/0x30 [ 197.428757][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 197.431780][ T4628] hso 5-1:0.0: Failed to find BULK IN ep [ 197.436948][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 197.454698][ T32] Workqueue: usb_hub_wq hub_event [ 197.459881][ T32] Call Trace: [ 197.461245][ T4755] usb 4-1: USB disconnect, device number 75 [ 197.463165][ T32] dump_stack+0xfa/0x151 [ 197.463199][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 197.463226][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 197.463250][ T32] sysfs_create_link+0x5f/0xc0 [ 197.490310][ T32] device_add+0x789/0x1db0 [ 197.494948][ T32] ? memset+0x20/0x40 [ 197.499126][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 197.503497][ T4628] usb 5-1: USB disconnect, device number 75 [ 197.504625][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 197.504657][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 197.504684][ T32] tty_register_device_attr+0x395/0x7b0 executing program [ 197.504713][ T32] ? send_break.part.0+0x300/0x300 [ 197.533720][ T32] ? mark_held_locks+0x9f/0xe0 [ 197.538689][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 197.544610][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 197.550359][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 197.565521][ T32] hso_serial_common_create+0x124/0x8b0 [ 197.571506][ T32] ? kasan_unpoison+0x3a/0x60 [ 197.576208][ T32] hso_probe+0xef9/0x1f70 [ 197.581965][ T32] usb_probe_interface+0x315/0x7f0 [ 197.587416][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 197.593405][ T32] really_probe+0x291/0xe60 [ 197.598025][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 197.604385][ T32] driver_probe_device+0x26b/0x3d0 [ 197.609613][ T32] __device_attach_driver+0x1d1/0x290 [ 197.615114][ T32] ? driver_allows_async_probing+0x150/0x150 [ 197.621259][ T32] bus_for_each_drv+0x15f/0x1e0 [ 197.626254][ T32] ? bus_for_each_dev+0x1d0/0x1d0 executing program [ 197.631379][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.637548][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 197.643653][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 197.649966][ T32] __device_attach+0x228/0x4a0 [ 197.654868][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 197.661100][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 197.666424][ T32] bus_probe_device+0x1e4/0x290 [ 197.671489][ T32] device_add+0xbdb/0x1db0 [ 197.676019][ T32] ? wait_for_completion_io+0x270/0x270 [ 197.681599][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 197.688370][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.694539][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 197.700449][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 197.707068][ T32] usb_set_configuration+0x113f/0x1910 [ 197.712644][ T32] usb_generic_driver_probe+0xba/0x100 [ 197.718129][ T32] usb_probe_device+0xd9/0x2c0 [ 197.722922][ T32] ? usb_driver_release_interface+0x180/0x180 [ 197.728990][ T32] really_probe+0x291/0xe60 [ 197.733584][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 197.739925][ T32] driver_probe_device+0x26b/0x3d0 [ 197.745242][ T32] __device_attach_driver+0x1d1/0x290 [ 197.750785][ T32] ? driver_allows_async_probing+0x150/0x150 [ 197.757078][ T32] bus_for_each_drv+0x15f/0x1e0 [ 197.762367][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 197.767546][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.774133][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 197.779325][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 197.785223][ T32] __device_attach+0x228/0x4a0 [ 197.790260][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 197.796970][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 197.802373][ T32] bus_probe_device+0x1e4/0x290 [ 197.807431][ T32] device_add+0xbdb/0x1db0 [ 197.811974][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 197.818452][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 197.825150][ T32] usb_new_device.cold+0x721/0x1058 [ 197.830613][ T32] ? hub_disconnect+0x510/0x510 [ 197.836068][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 197.841016][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 197.847019][ T32] hub_event+0x2357/0x4320 [ 197.851709][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 197.857753][ T32] ? zap_class+0x5b0/0x9a0 [ 197.864415][ T32] ? process_one_work+0x521/0x1580 [ 197.870247][ T32] ? lock_release+0x6d0/0x6d0 [ 197.875280][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 197.880168][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 197.885242][ T32] ? lock_is_held_type+0x98/0x110 [ 197.890288][ T32] process_one_work+0x98d/0x1580 [ 197.896584][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 197.902325][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 197.907379][ T32] worker_thread+0x64c/0x1120 [ 197.912125][ T32] ? __kthread_parkme+0x118/0x1d0 [ 197.917172][ T32] ? process_one_work+0x1580/0x1580 [ 197.922411][ T32] kthread+0x38c/0x460 [ 197.926492][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 197.931737][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 197.936986][ T32] ret_from_fork+0x1f/0x30 [ 197.946948][ T5007] usb 2-1: config 0 descriptor?? [ 197.952482][ T32] usb 3-1: USB disconnect, device number 74 [ 197.967245][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 198.007535][ T1551] usb 6-1: new high-speed USB device number 75 using dummy_hcd [ 198.087298][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 198.096414][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 198.107480][ T4407] usb 1-1: config 0 descriptor?? [ 198.218242][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 198.247326][ T1551] usb 6-1: Using ep0 maxpacket: 8 [ 198.287193][ T4755] usb 4-1: new high-speed USB device number 76 using dummy_hcd [ 198.294918][ T4628] usb 5-1: new high-speed USB device number 76 using dummy_hcd [ 198.307192][ T32] usb 3-1: new high-speed USB device number 75 using dummy_hcd [ 198.367678][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 198.376951][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 198.385339][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 198.401586][ T1551] usb 6-1: config 0 descriptor?? executing program [ 198.420339][ T4407] usb 2-1: USB disconnect, device number 76 [ 198.547558][ T32] usb 3-1: Using ep0 maxpacket: 8 executing program [ 198.568991][ T5007] usb 1-1: USB disconnect, device number 77 [ 198.578837][ T4755] usb 4-1: Using ep0 maxpacket: 8 [ 198.584351][ T4628] usb 5-1: Using ep0 maxpacket: 8 [ 198.658251][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 198.670709][ T32] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 198.680140][ T32] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 198.692265][ T32] usb 3-1: config 0 descriptor?? [ 198.747300][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 198.756528][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 198.764836][ T4628] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 198.774548][ T4628] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 198.785550][ T4755] usb 4-1: config 0 descriptor?? [ 198.787538][ T4407] usb 2-1: new high-speed USB device number 77 using dummy_hcd [ 198.795590][ T4628] usb 5-1: config 0 descriptor?? executing program [ 198.859969][ T1551] usb 6-1: USB disconnect, device number 75 [ 198.968078][ T32] hso 3-1:0.0: Failed to find BULK IN ep [ 198.997294][ T5007] usb 1-1: new high-speed USB device number 78 using dummy_hcd [ 199.047213][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 199.068021][ T4628] hso 5-1:0.0: Failed to find BULK IN ep [ 199.088308][ T4755] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 199.167181][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 199.169610][ T4755] usb 3-1: USB disconnect, device number 75 [ 199.176480][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 199.196717][ T4407] usb 2-1: config 0 descriptor?? [ 199.227235][ T1551] usb 6-1: new high-speed USB device number 76 using dummy_hcd [ 199.239811][ T5007] usb 1-1: Using ep0 maxpacket: 8 executing program executing program [ 199.269710][ T4628] usb 5-1: USB disconnect, device number 76 [ 199.290621][ T4742] usb 4-1: USB disconnect, device number 76 [ 199.357315][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 199.366819][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 199.377652][ T5007] usb 1-1: config 0 descriptor?? [ 199.458062][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 199.470657][ T1551] usb 6-1: Using ep0 maxpacket: 8 [ 199.587182][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 199.597059][ T4755] usb 3-1: new high-speed USB device number 76 using dummy_hcd [ 199.597348][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 199.617310][ T1551] usb 6-1: config 0 descriptor?? executing program [ 199.638463][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 199.662421][ T5007] usb 2-1: USB disconnect, device number 77 [ 199.687268][ T4628] usb 5-1: new high-speed USB device number 77 using dummy_hcd [ 199.737525][ T4742] usb 4-1: new high-speed USB device number 77 using dummy_hcd executing program [ 199.839136][ T4407] usb 1-1: USB disconnect, device number 78 [ 199.877343][ T4755] usb 3-1: Using ep0 maxpacket: 8 [ 199.878435][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 199.947222][ T4628] usb 5-1: Using ep0 maxpacket: 8 [ 200.007241][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 200.027105][ T5007] usb 2-1: new high-speed USB device number 78 using dummy_hcd [ 200.037414][ T4755] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 200.046628][ T4755] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 200.060060][ T4755] usb 3-1: config 0 descriptor?? [ 200.079345][ T1551] usb 6-1: USB disconnect, device number 76 [ 200.097773][ T4628] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 200.106856][ T4628] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 200.122177][ T4628] usb 5-1: config 0 descriptor?? [ 200.157410][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 200.166759][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 200.178524][ T4742] usb 4-1: config 0 descriptor?? [ 200.197214][ T4407] usb 1-1: new high-speed USB device number 79 using dummy_hcd [ 200.267078][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 200.317873][ T4755] hso 3-1:0.0: Failed to find BULK IN ep [ 200.378060][ T4628] hso 5-1:0.0: Failed to find BULK IN ep [ 200.391156][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 200.400364][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 200.417669][ T5007] usb 2-1: config 0 descriptor?? [ 200.438835][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 200.451045][ T1551] usb 6-1: new high-speed USB device number 77 using dummy_hcd [ 200.459900][ T4407] usb 1-1: Using ep0 maxpacket: 8 executing program [ 200.518835][ T4742] usb 3-1: USB disconnect, device number 76 executing program [ 200.577178][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 200.587403][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 200.595337][ T4628] usb 5-1: USB disconnect, device number 77 [ 200.616659][ T4407] usb 1-1: config 0 descriptor?? executing program [ 200.640530][ T4755] usb 4-1: USB disconnect, device number 77 [ 200.678198][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 200.717209][ T1551] usb 6-1: Using ep0 maxpacket: 8 executing program [ 200.837233][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 200.846703][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 200.857965][ T1551] usb 6-1: config 0 descriptor?? [ 200.882737][ T2633] usb 2-1: USB disconnect, device number 78 [ 200.888291][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 200.947326][ T4742] usb 3-1: new high-speed USB device number 77 using dummy_hcd [ 201.047084][ T4628] usb 5-1: new high-speed USB device number 78 using dummy_hcd executing program [ 201.089218][ T4407] usb 1-1: USB disconnect, device number 79 [ 201.100017][ T4755] usb 4-1: new high-speed USB device number 78 using dummy_hcd [ 201.118278][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 201.197364][ T4742] usb 3-1: Using ep0 maxpacket: 8 [ 201.277242][ T2633] usb 2-1: new high-speed USB device number 79 using dummy_hcd executing program [ 201.319056][ T1551] usb 6-1: USB disconnect, device number 77 [ 201.337985][ T4628] usb 5-1: Using ep0 maxpacket: 8 [ 201.367324][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 201.376652][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 201.384992][ T4755] usb 4-1: Using ep0 maxpacket: 8 [ 201.394274][ T4742] usb 3-1: config 0 descriptor?? [ 201.497198][ T4407] usb 1-1: new high-speed USB device number 80 using dummy_hcd [ 201.497368][ T4628] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 201.513917][ T4628] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 201.526425][ T4628] usb 5-1: config 0 descriptor?? [ 201.567348][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 201.576816][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 201.584935][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 201.593090][ T4755] usb 4-1: config 0 descriptor?? [ 201.659337][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 201.727385][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 201.736768][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 201.737128][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 201.750577][ T1551] usb 6-1: new high-speed USB device number 78 using dummy_hcd [ 201.758475][ T2633] usb 2-1: config 0 descriptor?? [ 201.788908][ T4628] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 201.859719][ T5007] usb 3-1: USB disconnect, device number 77 [ 201.871149][ T4755] hso 4-1:0.0: Failed to find BULK IN ep [ 201.897305][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 201.906544][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 201.947302][ T4407] usb 1-1: config 0 descriptor?? executing program [ 201.990215][ T32] usb 5-1: USB disconnect, device number 78 [ 202.007254][ T1551] usb 6-1: Using ep0 maxpacket: 8 [ 202.028295][ T2633] hso 2-1:0.0: Failed to find BULK IN ep executing program [ 202.073215][ T2633] usb 4-1: USB disconnect, device number 78 [ 202.127391][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 202.136545][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 202.149718][ T1551] usb 6-1: config 0 descriptor?? executing program [ 202.207908][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 202.232943][ T4755] usb 2-1: USB disconnect, device number 79 [ 202.287269][ T5007] usb 3-1: new high-speed USB device number 78 using dummy_hcd executing program [ 202.397077][ T32] usb 5-1: new high-speed USB device number 79 using dummy_hcd [ 202.409577][ T4407] usb 1-1: USB disconnect, device number 80 [ 202.416856][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 202.507214][ T2633] usb 4-1: new high-speed USB device number 79 using dummy_hcd [ 202.547232][ T5007] usb 3-1: Using ep0 maxpacket: 8 executing program [ 202.609449][ T1551] usb 6-1: USB disconnect, device number 78 [ 202.627512][ T4755] usb 2-1: new high-speed USB device number 80 using dummy_hcd [ 202.638243][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 202.667321][ T5007] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 202.677359][ T5007] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 202.694757][ T5007] usb 3-1: config 0 descriptor?? [ 202.757072][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 202.757234][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 202.771716][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 202.785651][ T32] usb 5-1: config 0 descriptor?? [ 202.847924][ T4407] usb 1-1: new high-speed USB device number 81 using dummy_hcd [ 202.897212][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 202.906699][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 202.915863][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 202.923029][ T2633] usb 4-1: config 0 descriptor?? [ 202.958173][ T5007] hso 3-1:0.0: Failed to find BULK IN ep [ 203.027161][ T1551] usb 6-1: new high-speed USB device number 79 using dummy_hcd [ 203.048171][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 203.060727][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 203.069883][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 203.087377][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 203.088451][ T4755] usb 2-1: config 0 descriptor?? executing program [ 203.158832][ T4628] usb 3-1: USB disconnect, device number 78 [ 203.198244][ T2633] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 203.207892][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 203.217222][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 203.236411][ T4407] usb 1-1: config 0 descriptor?? [ 203.249835][ T32] usb 5-1: USB disconnect, device number 79 [ 203.278469][ T1551] usb 6-1: Using ep0 maxpacket: 8 [ 203.368888][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 203.397317][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 203.400063][ T4755] usb 4-1: USB disconnect, device number 79 executing program [ 203.407159][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 203.437687][ T1551] usb 6-1: config 0 descriptor?? [ 203.499688][ T4407] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 203.570194][ T2633] usb 2-1: USB disconnect, device number 80 [ 203.627318][ T4628] usb 3-1: new high-speed USB device number 79 using dummy_hcd [ 203.667143][ T32] usb 5-1: new high-speed USB device number 80 using dummy_hcd executing program [ 203.699373][ T4407] usb 1-1: USB disconnect, device number 81 [ 203.708012][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 203.797173][ T4755] usb 4-1: new high-speed USB device number 80 using dummy_hcd executing program [ 203.899284][ T4742] usb 6-1: USB disconnect, device number 79 [ 203.909742][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 203.911702][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 203.997229][ T2633] usb 2-1: new high-speed USB device number 81 using dummy_hcd [ 204.027221][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 204.037309][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 204.047194][ T4755] usb 4-1: Using ep0 maxpacket: 8 [ 204.050267][ T32] usb 5-1: config 0 descriptor?? [ 204.067322][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 204.076515][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 204.086674][ T4628] usb 3-1: config 0 descriptor?? [ 204.117159][ T4407] usb 1-1: new high-speed USB device number 82 using dummy_hcd [ 204.187203][ T4755] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 204.196354][ T4755] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 204.209008][ T4755] usb 4-1: config 0 descriptor?? [ 204.268088][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 204.297231][ T4742] usb 6-1: new high-speed USB device number 80 using dummy_hcd [ 204.328409][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 204.348861][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 204.367087][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 204.427192][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 204.436514][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 204.447681][ T2633] usb 2-1: config 0 descriptor?? executing program [ 204.487257][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 204.496891][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 204.505839][ T4755] hso 4-1:0.0: Failed to find BULK IN ep [ 204.512962][ T4407] usb 1-1: config 0 descriptor?? executing program [ 204.532172][ T4755] usb 5-1: USB disconnect, device number 80 [ 204.557062][ T4742] usb 6-1: Using ep0 maxpacket: 8 [ 204.577970][ T4628] usb 3-1: USB disconnect, device number 79 executing program [ 204.689602][ T4399] usb 4-1: USB disconnect, device number 80 [ 204.701751][ T4742] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 204.711004][ T4742] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 204.721696][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 204.743659][ T4742] usb 6-1: config 0 descriptor?? [ 204.778620][ T4407] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 204.921413][ T4407] usb 2-1: USB disconnect, device number 81 executing program [ 204.977132][ T4755] usb 5-1: new high-speed USB device number 81 using dummy_hcd [ 204.979666][ T32] usb 1-1: USB disconnect, device number 82 [ 204.984831][ T4628] usb 3-1: new high-speed USB device number 80 using dummy_hcd [ 205.029152][ T4742] hso 6-1:0.0: Failed to find BULK IN ep [ 205.107109][ T4399] usb 4-1: new high-speed USB device number 81 using dummy_hcd executing program [ 205.229044][ T1551] usb 6-1: USB disconnect, device number 80 [ 205.247737][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 205.277135][ T4407] usb 2-1: new high-speed USB device number 82 using dummy_hcd [ 205.277153][ T4628] usb 3-1: Using ep0 maxpacket: 8 [ 205.387117][ T4399] usb 4-1: Using ep0 maxpacket: 8 [ 205.397078][ T32] usb 1-1: new high-speed USB device number 83 using dummy_hcd [ 205.407275][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 205.417857][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 205.427700][ T4628] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 205.437497][ T4628] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 205.446626][ T4755] usb 5-1: config 0 descriptor?? [ 205.454809][ T4628] usb 3-1: config 0 descriptor?? [ 205.507359][ T4399] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 205.516464][ T4399] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 205.528262][ T4399] usb 4-1: config 0 descriptor?? [ 205.532741][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 205.587263][ T1551] usb 6-1: new high-speed USB device number 81 using dummy_hcd [ 205.637268][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 205.657259][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 205.666632][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 205.680274][ T4407] usb 2-1: config 0 descriptor?? [ 205.708214][ T4755] hso 5-1:0.0: Failed to find BULK IN ep [ 205.728737][ T4628] hso 3-1:0.0: Failed to find BULK IN ep [ 205.757265][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 205.766530][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 205.787844][ T32] usb 1-1: config 0 descriptor?? [ 205.799204][ T4399] hso 4-1:0.0: Failed to find BULK IN ep [ 205.827104][ T1551] usb 6-1: Using ep0 maxpacket: 8 executing program executing program [ 205.910701][ T5007] usb 5-1: USB disconnect, device number 81 [ 205.929358][ T4399] usb 3-1: USB disconnect, device number 80 [ 205.938794][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 205.947499][ T1551] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 205.956765][ T1551] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 205.999092][ T1551] usb 6-1: config 0 descriptor?? executing program [ 206.023100][ T4407] usb 4-1: USB disconnect, device number 81 [ 206.059715][ T32] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 206.140419][ T4628] usb 2-1: USB disconnect, device number 82 executing program [ 206.259448][ T32] usb 1-1: USB disconnect, device number 83 [ 206.267320][ T5007] usb 5-1: new high-speed USB device number 82 using dummy_hcd [ 206.278148][ T1551] hso 6-1:0.0: Failed to find BULK IN ep [ 206.307700][ T4399] usb 3-1: new high-speed USB device number 81 using dummy_hcd [ 206.387130][ T4407] usb 4-1: new high-speed USB device number 82 using dummy_hcd executing program [ 206.479266][ T4755] usb 6-1: USB disconnect, device number 81 [ 206.507183][ T5007] usb 5-1: Using ep0 maxpacket: 8 [ 206.537397][ T4628] usb 2-1: new high-speed USB device number 83 using dummy_hcd [ 206.597302][ T4399] usb 3-1: Using ep0 maxpacket: 8 [ 206.627320][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 206.632537][ T5007] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 206.641742][ T5007] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 206.649967][ T32] usb 1-1: new high-speed USB device number 84 using dummy_hcd [ 206.662837][ T5007] usb 5-1: config 0 descriptor?? [ 206.747316][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 206.756500][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 206.757147][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 206.773279][ T4407] usb 4-1: config 0 descriptor?? [ 206.774231][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 206.795960][ T4399] usb 3-1: config 0 descriptor?? [ 206.858213][ T4628] usb 2-1: Using ep0 maxpacket: 8 [ 206.897242][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 206.928074][ T5007] hso 5-1:0.0: Failed to find BULK IN ep [ 206.937070][ T4755] usb 6-1: new high-speed USB device number 82 using dummy_hcd [ 207.007196][ T4628] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 207.016697][ T4628] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 207.018032][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 207.027463][ T4628] usb 2-1: config 0 descriptor?? [ 207.034381][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 207.048751][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 207.061218][ T32] usb 1-1: config 0 descriptor?? [ 207.069392][ T4399] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 207.130792][ T4399] usb 5-1: USB disconnect, device number 82 [ 207.204823][ T4755] usb 6-1: Using ep0 maxpacket: 8 executing program executing program [ 207.241339][ T4742] usb 4-1: USB disconnect, device number 82 [ 207.271681][ T2633] usb 3-1: USB disconnect, device number 81 [ 207.309350][ T4628] hso 2-1:0.0: Failed to find BULK IN ep [ 207.318202][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 207.325752][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 207.333772][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.345166][ T32] Workqueue: usb_hub_wq hub_event [ 207.350412][ T32] Call Trace: [ 207.353702][ T32] dump_stack+0xfa/0x151 [ 207.357970][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 207.362937][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 207.368419][ T32] sysfs_create_link+0x5f/0xc0 [ 207.373404][ T32] device_add+0x789/0x1db0 [ 207.377852][ T32] ? memset+0x20/0x40 [ 207.381856][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 207.387586][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 207.393951][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 207.399385][ T32] tty_register_device_attr+0x395/0x7b0 [ 207.404989][ T32] ? send_break.part.0+0x300/0x300 [ 207.410124][ T32] ? mark_held_locks+0x9f/0xe0 [ 207.414996][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 207.420485][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 207.426313][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 207.432509][ T32] hso_serial_common_create+0x124/0x8b0 [ 207.438140][ T32] ? kasan_unpoison+0x3a/0x60 [ 207.443212][ T32] hso_probe+0xef9/0x1f70 [ 207.447598][ T32] usb_probe_interface+0x315/0x7f0 [ 207.452717][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 207.458086][ T32] really_probe+0x291/0xe60 [ 207.462603][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 207.468837][ T32] driver_probe_device+0x26b/0x3d0 [ 207.473947][ T32] __device_attach_driver+0x1d1/0x290 [ 207.479423][ T32] ? driver_allows_async_probing+0x150/0x150 [ 207.485409][ T32] bus_for_each_drv+0x15f/0x1e0 [ 207.490251][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 207.495273][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 207.501377][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 207.506399][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 207.512361][ T32] __device_attach+0x228/0x4a0 [ 207.517233][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 207.523403][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 207.528710][ T32] bus_probe_device+0x1e4/0x290 [ 207.533574][ T32] device_add+0xbdb/0x1db0 [ 207.539087][ T32] ? wait_for_completion_io+0x270/0x270 [ 207.544715][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 207.551042][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 207.557041][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 207.562859][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 207.569099][ T32] usb_set_configuration+0x113f/0x1910 [ 207.574744][ T32] usb_generic_driver_probe+0xba/0x100 [ 207.580235][ T32] usb_probe_device+0xd9/0x2c0 [ 207.585021][ T32] ? usb_driver_release_interface+0x180/0x180 [ 207.591405][ T32] really_probe+0x291/0xe60 [ 207.596145][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 207.602577][ T32] driver_probe_device+0x26b/0x3d0 [ 207.607786][ T32] __device_attach_driver+0x1d1/0x290 [ 207.613467][ T32] ? driver_allows_async_probing+0x150/0x150 [ 207.619449][ T32] bus_for_each_drv+0x15f/0x1e0 [ 207.624297][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 207.629593][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 207.635699][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 207.640736][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 207.646557][ T32] __device_attach+0x228/0x4a0 [ 207.651335][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 207.657724][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 207.663304][ T32] bus_probe_device+0x1e4/0x290 [ 207.668160][ T32] device_add+0xbdb/0x1db0 [ 207.672856][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 207.679777][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 207.686144][ T32] usb_new_device.cold+0x721/0x1058 [ 207.693095][ T32] ? hub_disconnect+0x510/0x510 [ 207.698051][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 207.703022][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 207.709118][ T32] hub_event+0x2357/0x4320 [ 207.713643][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 207.718779][ T32] ? zap_class+0x5b0/0x9a0 [ 207.723200][ T32] ? process_one_work+0x521/0x1580 [ 207.728316][ T32] ? lock_release+0x6d0/0x6d0 [ 207.733190][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 207.738243][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 207.743325][ T32] ? lock_is_held_type+0x98/0x110 [ 207.748699][ T32] process_one_work+0x98d/0x1580 [ 207.753764][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 207.759364][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 207.764509][ T32] worker_thread+0x64c/0x1120 [ 207.769196][ T32] ? __kthread_parkme+0x118/0x1d0 [ 207.774662][ T32] ? process_one_work+0x1580/0x1580 [ 207.780116][ T32] kthread+0x38c/0x460 [ 207.784436][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 207.790576][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 207.795697][ T32] ret_from_fork+0x1f/0x30 executing program executing program [ 207.807650][ T32] usb 1-1: USB disconnect, device number 84 [ 207.827195][ T4755] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 207.830116][ T4407] usb 2-1: USB disconnect, device number 83 [ 207.836724][ T4755] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 207.884534][ T4755] usb 6-1: config 0 descriptor?? [ 207.958309][ T4399] usb 5-1: new high-speed USB device number 83 using dummy_hcd [ 208.057117][ T4742] usb 4-1: new high-speed USB device number 83 using dummy_hcd [ 208.177999][ T4755] hso 6-1:0.0: Failed to find BULK IN ep [ 208.207090][ T4407] usb 2-1: new high-speed USB device number 84 using dummy_hcd [ 208.207185][ T2633] usb 3-1: new high-speed USB device number 82 using dummy_hcd [ 208.227225][ T32] usb 1-1: new high-speed USB device number 85 using dummy_hcd [ 208.247111][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 208.317140][ T4742] usb 4-1: Using ep0 maxpacket: 8 executing program [ 208.377218][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 208.382253][ T5007] usb 6-1: USB disconnect, device number 82 [ 208.386620][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 208.418818][ T4399] usb 5-1: config 0 descriptor?? [ 208.447089][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 208.447372][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 208.466619][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 208.467461][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 208.482878][ T2633] usb 3-1: Using ep0 maxpacket: 8 [ 208.492430][ T4742] usb 4-1: config 0 descriptor?? [ 208.567343][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 208.576716][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 208.591206][ T4407] usb 2-1: config 0 descriptor?? [ 208.597496][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 208.606697][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 208.621088][ T32] usb 1-1: config 0 descriptor?? [ 208.637650][ T2633] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 208.646923][ T2633] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 208.658568][ T2633] usb 3-1: config 0 descriptor?? [ 208.699312][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 208.768150][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 208.807117][ T5007] usb 6-1: new high-speed USB device number 83 using dummy_hcd [ 208.848167][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 208.878367][ T32] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 208.900534][ T32] usb 5-1: USB disconnect, device number 83 [ 208.908096][ T2633] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 208.977461][ T2633] usb 4-1: USB disconnect, device number 83 executing program executing program [ 209.047242][ T5007] usb 6-1: Using ep0 maxpacket: 8 [ 209.049538][ T4742] usb 2-1: USB disconnect, device number 84 [ 209.079874][ T4407] usb 1-1: USB disconnect, device number 85 executing program [ 209.116494][ T1551] usb 3-1: USB disconnect, device number 82 [ 209.167521][ T5007] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 209.176703][ T5007] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 209.188702][ T5007] usb 6-1: config 0 descriptor?? [ 209.327129][ T32] usb 5-1: new high-speed USB device number 84 using dummy_hcd [ 209.357187][ T2633] usb 4-1: new high-speed USB device number 84 using dummy_hcd [ 209.437089][ T4742] usb 2-1: new high-speed USB device number 85 using dummy_hcd [ 209.448123][ T5007] hso 6-1:0.0: Failed to find BULK IN ep [ 209.497100][ T4407] usb 1-1: new high-speed USB device number 86 using dummy_hcd [ 209.537162][ T1551] usb 3-1: new high-speed USB device number 83 using dummy_hcd [ 209.567150][ T32] usb 5-1: Using ep0 maxpacket: 8 executing program [ 209.647179][ T2633] usb 4-1: Using ep0 maxpacket: 8 [ 209.654537][ T5007] usb 6-1: USB disconnect, device number 83 [ 209.687371][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 209.696471][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 209.708399][ T32] usb 5-1: config 0 descriptor?? [ 209.710252][ T4742] usb 2-1: Using ep0 maxpacket: 8 [ 209.748143][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 209.777088][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 209.787256][ T2633] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 209.796567][ T2633] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 209.807264][ T2633] usb 4-1: config 0 descriptor?? [ 209.847339][ T4742] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 209.856618][ T4742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 209.867463][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 209.874700][ T4742] usb 2-1: config 0 descriptor?? [ 209.876935][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 209.897251][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 209.906409][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 209.917822][ T1551] usb 3-1: config 0 descriptor?? [ 209.924827][ T4407] usb 1-1: config 0 descriptor?? [ 209.968701][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 210.067100][ T5007] usb 6-1: new high-speed USB device number 84 using dummy_hcd [ 210.068293][ T2633] hso 4-1:0.0: Failed to find BULK IN ep executing program [ 210.148361][ T4742] hso 2-1:0.0: Failed to find BULK IN ep [ 210.173234][ T32] usb 5-1: USB disconnect, device number 84 [ 210.180718][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 210.188395][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 210.196590][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.206705][ T4407] Workqueue: usb_hub_wq hub_event [ 210.212482][ T4407] Call Trace: [ 210.215775][ T4407] dump_stack+0xfa/0x151 [ 210.220046][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 210.225009][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 210.230492][ T4407] sysfs_create_link+0x5f/0xc0 [ 210.235390][ T4407] device_add+0x789/0x1db0 [ 210.239843][ T4407] ? memset+0x20/0x40 [ 210.243852][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 210.249427][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 210.255818][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 210.262592][ T4407] tty_register_device_attr+0x395/0x7b0 [ 210.268181][ T4407] ? send_break.part.0+0x300/0x300 [ 210.270338][ T4742] usb 4-1: USB disconnect, device number 84 [ 210.273352][ T4407] ? mark_held_locks+0x9f/0xe0 [ 210.273385][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 210.273411][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 210.296723][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 210.302911][ T4407] hso_serial_common_create+0x124/0x8b0 [ 210.308568][ T4407] ? kasan_unpoison+0x3a/0x60 [ 210.313274][ T4407] hso_probe+0xef9/0x1f70 [ 210.317652][ T4407] usb_probe_interface+0x315/0x7f0 [ 210.322882][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 210.328282][ T4407] really_probe+0x291/0xe60 [ 210.332842][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 210.339131][ T4407] driver_probe_device+0x26b/0x3d0 executing program executing program [ 210.344534][ T4407] __device_attach_driver+0x1d1/0x290 [ 210.350024][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 210.356194][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 210.361162][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 210.366217][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 210.372747][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 210.378081][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 210.384070][ T4407] __device_attach+0x228/0x4a0 [ 210.388866][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 210.394965][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 210.400308][ T4407] bus_probe_device+0x1e4/0x290 [ 210.405220][ T4407] device_add+0xbdb/0x1db0 [ 210.409659][ T4407] ? wait_for_completion_io+0x270/0x270 [ 210.415250][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 210.421524][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 210.427532][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 210.433367][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 210.439689][ T4407] usb_set_configuration+0x113f/0x1910 [ 210.445148][ T4407] usb_generic_driver_probe+0xba/0x100 [ 210.450613][ T4407] usb_probe_device+0xd9/0x2c0 [ 210.455375][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 210.461618][ T4407] really_probe+0x291/0xe60 [ 210.466133][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 210.472391][ T4407] driver_probe_device+0x26b/0x3d0 [ 210.477593][ T4407] __device_attach_driver+0x1d1/0x290 [ 210.482991][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 210.488992][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 210.493845][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 210.499043][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 210.505026][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 210.510048][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 210.515872][ T4407] __device_attach+0x228/0x4a0 [ 210.520641][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 210.526736][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 210.532147][ T4407] bus_probe_device+0x1e4/0x290 [ 210.537021][ T4407] device_add+0xbdb/0x1db0 [ 210.541715][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 210.547966][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 210.554213][ T4407] usb_new_device.cold+0x721/0x1058 [ 210.559439][ T4407] ? hub_disconnect+0x510/0x510 [ 210.564306][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 210.569277][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 210.575349][ T4407] hub_event+0x2357/0x4320 [ 210.579884][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 210.585232][ T4407] ? zap_class+0x5b0/0x9a0 [ 210.589655][ T4407] ? process_one_work+0x521/0x1580 [ 210.594766][ T4407] ? lock_release+0x6d0/0x6d0 [ 210.599465][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 210.604343][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 210.609376][ T4407] ? lock_is_held_type+0x98/0x110 [ 210.614436][ T4407] process_one_work+0x98d/0x1580 [ 210.619388][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 210.624778][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 210.629759][ T4407] worker_thread+0x64c/0x1120 [ 210.634581][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 210.639600][ T4407] ? process_one_work+0x1580/0x1580 [ 210.644807][ T4407] kthread+0x38c/0x460 executing program executing program [ 210.648891][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 210.654257][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 210.659491][ T4407] ret_from_fork+0x1f/0x30 [ 210.668209][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 210.681783][ T1551] usb 3-1: USB disconnect, device number 83 [ 210.723221][ T4407] usb 1-1: USB disconnect, device number 86 [ 210.744957][ T4401] usb 2-1: USB disconnect, device number 85 [ 210.787205][ T5007] usb 6-1: Using ep0 maxpacket: 8 [ 210.907162][ T5007] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 210.916423][ T5007] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 210.929552][ T5007] usb 6-1: config 0 descriptor?? [ 211.037196][ T32] usb 5-1: new high-speed USB device number 85 using dummy_hcd [ 211.067176][ T1551] usb 3-1: new high-speed USB device number 84 using dummy_hcd [ 211.077326][ T4742] usb 4-1: new high-speed USB device number 85 using dummy_hcd [ 211.087301][ T4407] usb 1-1: new high-speed USB device number 87 using dummy_hcd [ 211.117097][ T4401] usb 2-1: new high-speed USB device number 86 using dummy_hcd [ 211.188144][ T5007] hso 6-1:0.0: Failed to find BULK IN ep [ 211.277186][ T32] usb 5-1: Using ep0 maxpacket: 8 [ 211.307124][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 211.327240][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 211.337089][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 211.357334][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 211.389492][ T2633] usb 6-1: USB disconnect, device number 84 [ 211.397562][ T32] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program [ 211.397596][ T32] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 211.417301][ T32] usb 5-1: config 0 descriptor?? [ 211.427640][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 211.436911][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 211.448086][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 211.457662][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 211.487628][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 211.496832][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 211.507340][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 211.514567][ T1551] usb 3-1: config 0 descriptor?? [ 211.517727][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 211.523759][ T4407] usb 1-1: config 0 descriptor?? [ 211.544450][ T4401] usb 2-1: config 0 descriptor?? [ 211.583675][ T4742] usb 4-1: config 0 descriptor?? [ 211.688917][ T32] hso 5-1:0.0: Failed to find BULK IN ep [ 211.798115][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 211.811554][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 211.819156][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 211.827258][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 211.837594][ T4407] Workqueue: usb_hub_wq hub_event [ 211.842638][ T4407] Call Trace: [ 211.845934][ T4407] dump_stack+0xfa/0x151 [ 211.850257][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 211.855202][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 211.860964][ T4407] sysfs_create_link+0x5f/0xc0 [ 211.865817][ T4407] device_add+0x789/0x1db0 [ 211.870253][ T4407] ? memset+0x20/0x40 [ 211.874244][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 211.879752][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 211.886477][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 211.891770][ T4407] tty_register_device_attr+0x395/0x7b0 [ 211.892948][ T4399] usb 5-1: USB disconnect, device number 85 [ 211.897339][ T4407] ? send_break.part.0+0x300/0x300 [ 211.897373][ T4407] ? mark_held_locks+0x9f/0xe0 [ 211.913225][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 211.918731][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 211.924488][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 211.930669][ T4407] hso_serial_common_create+0x124/0x8b0 [ 211.936341][ T4407] ? kasan_unpoison+0x3a/0x60 [ 211.941036][ T4407] hso_probe+0xef9/0x1f70 executing program [ 211.945383][ T4407] usb_probe_interface+0x315/0x7f0 [ 211.950612][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 211.956375][ T4407] really_probe+0x291/0xe60 [ 211.960926][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 211.967310][ T4407] driver_probe_device+0x26b/0x3d0 [ 211.972708][ T4407] __device_attach_driver+0x1d1/0x290 [ 211.978379][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 211.984387][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 211.989248][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 executing program executing program [ 211.994959][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.001078][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 212.006128][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 212.011992][ T4407] __device_attach+0x228/0x4a0 [ 212.016788][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 212.022901][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 212.028333][ T4407] bus_probe_device+0x1e4/0x290 [ 212.033238][ T4407] device_add+0xbdb/0x1db0 [ 212.037678][ T4407] ? wait_for_completion_io+0x270/0x270 executing program [ 212.043253][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 212.049630][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.055643][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 212.061581][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 212.067863][ T4407] usb_set_configuration+0x113f/0x1910 [ 212.073357][ T4407] usb_generic_driver_probe+0xba/0x100 [ 212.078855][ T4407] usb_probe_device+0xd9/0x2c0 [ 212.083647][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 212.089741][ T4407] really_probe+0x291/0xe60 [ 212.094402][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 212.100700][ T4407] driver_probe_device+0x26b/0x3d0 [ 212.105941][ T4407] __device_attach_driver+0x1d1/0x290 [ 212.111350][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 212.117363][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 212.122641][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 212.127663][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.133642][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 212.138671][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 212.144501][ T4407] __device_attach+0x228/0x4a0 [ 212.149314][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 212.155408][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 212.160991][ T4407] bus_probe_device+0x1e4/0x290 [ 212.165875][ T4407] device_add+0xbdb/0x1db0 [ 212.170375][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 212.176617][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 212.183014][ T4407] usb_new_device.cold+0x721/0x1058 [ 212.188263][ T4407] ? hub_disconnect+0x510/0x510 [ 212.193120][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 212.198061][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.204063][ T4407] hub_event+0x2357/0x4320 [ 212.208493][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 212.213865][ T4407] ? zap_class+0x5b1/0x9a0 [ 212.218296][ T4407] ? process_one_work+0x521/0x1580 [ 212.223527][ T4407] ? lock_release+0x6d0/0x6d0 [ 212.228250][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 212.233098][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 212.238118][ T4407] ? lock_is_held_type+0x98/0x110 [ 212.243155][ T4407] process_one_work+0x98d/0x1580 [ 212.248097][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 212.253744][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 212.258710][ T4407] worker_thread+0x82b/0x1120 [ 212.263406][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 212.268458][ T4407] ? process_one_work+0x1580/0x1580 [ 212.273786][ T4407] kthread+0x38c/0x460 [ 212.278110][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 212.283306][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 212.288435][ T4407] ret_from_fork+0x1f/0x30 [ 212.293792][ T4401] hso 2-1:0.0: Failed to find BULK IN ep [ 212.299571][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 212.303990][ T1551] usb 3-1: USB disconnect, device number 84 [ 212.307085][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 212.314146][ T4401] usb 2-1: USB disconnect, device number 86 [ 212.321156][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.321177][ T4742] Workqueue: usb_hub_wq hub_event [ 212.321209][ T4742] Call Trace: [ 212.321219][ T4742] dump_stack+0xfa/0x151 [ 212.332437][ T4407] usb 1-1: USB disconnect, device number 87 [ 212.337220][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 212.337255][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 212.337279][ T4742] sysfs_create_link+0x5f/0xc0 [ 212.372526][ T4742] device_add+0x789/0x1db0 [ 212.377274][ T4742] ? memset+0x20/0x40 [ 212.381277][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 212.386767][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 212.393409][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 212.398915][ T4742] tty_register_device_attr+0x395/0x7b0 [ 212.404483][ T4742] ? send_break.part.0+0x300/0x300 [ 212.409903][ T4742] ? mark_held_locks+0x9f/0xe0 [ 212.414712][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 212.420216][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 212.426429][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 212.432532][ T4742] hso_serial_common_create+0x124/0x8b0 [ 212.438102][ T4742] ? kasan_unpoison+0x3a/0x60 [ 212.442804][ T4742] hso_probe+0xef9/0x1f70 [ 212.447269][ T4742] usb_probe_interface+0x315/0x7f0 [ 212.452418][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 212.457826][ T4742] really_probe+0x291/0xe60 [ 212.462362][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 212.468900][ T4742] driver_probe_device+0x26b/0x3d0 [ 212.474041][ T4742] __device_attach_driver+0x1d1/0x290 [ 212.479437][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 212.485479][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 212.490328][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 212.495349][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.501419][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 212.506436][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 212.512248][ T4742] __device_attach+0x228/0x4a0 [ 212.517053][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 212.523142][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 212.528439][ T4742] bus_probe_device+0x1e4/0x290 [ 212.533285][ T4742] device_add+0xbdb/0x1db0 [ 212.537709][ T4742] ? wait_for_completion_io+0x270/0x270 [ 212.543363][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 212.549661][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.556015][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 212.561925][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 212.568368][ T4742] usb_set_configuration+0x113f/0x1910 [ 212.573852][ T4742] usb_generic_driver_probe+0xba/0x100 [ 212.579379][ T4742] usb_probe_device+0xd9/0x2c0 [ 212.584210][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 212.590298][ T4742] really_probe+0x291/0xe60 [ 212.594818][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 212.601073][ T4742] driver_probe_device+0x26b/0x3d0 [ 212.606198][ T4742] __device_attach_driver+0x1d1/0x290 [ 212.611758][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 212.617779][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 212.622669][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 212.627718][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.633725][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 212.638787][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 212.645229][ T4742] __device_attach+0x228/0x4a0 [ 212.650006][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 212.656089][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 212.661402][ T4742] bus_probe_device+0x1e4/0x290 [ 212.666272][ T4742] device_add+0xbdb/0x1db0 [ 212.670707][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 212.676972][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 212.683391][ T4742] usb_new_device.cold+0x721/0x1058 [ 212.688739][ T4742] ? hub_disconnect+0x510/0x510 [ 212.693926][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 212.699264][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 212.705294][ T4742] hub_event+0x2357/0x4320 [ 212.709742][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 212.714966][ T4742] ? zap_class+0x5b0/0x9a0 [ 212.719416][ T4742] ? process_one_work+0x521/0x1580 [ 212.724673][ T4742] ? lock_release+0x6d0/0x6d0 [ 212.729536][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 212.734513][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 212.739556][ T4742] ? lock_is_held_type+0x98/0x110 [ 212.744607][ T4742] process_one_work+0x98d/0x1580 [ 212.749594][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 [ 212.754988][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 212.759944][ T4742] worker_thread+0x64c/0x1120 [ 212.764676][ T4742] ? __kthread_parkme+0x118/0x1d0 [ 212.769737][ T4742] ? process_one_work+0x1580/0x1580 [ 212.774961][ T4742] kthread+0x38c/0x460 [ 212.779139][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 [ 212.784366][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 212.789601][ T4742] ret_from_fork+0x1f/0x30 [ 212.794353][ T2633] usb 6-1: new high-speed USB device number 85 using dummy_hcd executing program [ 212.805769][ T4742] usb 4-1: USB disconnect, device number 85 [ 212.867154][ T4407] usb 1-1: new high-speed USB device number 88 using dummy_hcd [ 212.875072][ T4401] usb 2-1: new high-speed USB device number 87 using dummy_hcd [ 212.947100][ T1551] usb 3-1: new high-speed USB device number 85 using dummy_hcd [ 213.057095][ T2633] usb 6-1: Using ep0 maxpacket: 8 [ 213.117110][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 213.122460][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 213.167135][ T4742] usb 4-1: new high-speed USB device number 86 using dummy_hcd [ 213.175009][ T4399] usb 5-1: new high-speed USB device number 86 using dummy_hcd [ 213.187910][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 213.198249][ T2633] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 213.207748][ T2633] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 213.224158][ T2633] usb 6-1: config 0 descriptor?? [ 213.247376][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 213.256699][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 213.264943][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 213.274556][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 213.286355][ T4401] usb 2-1: config 0 descriptor?? [ 213.293195][ T4407] usb 1-1: config 0 descriptor?? [ 213.317535][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 213.327035][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 213.345277][ T1551] usb 3-1: config 0 descriptor?? [ 213.427212][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 213.432629][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 213.488231][ T2633] hso 6-1:0.0: Failed to find BULK IN ep [ 213.557978][ T4401] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 213.565465][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 213.573525][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.583859][ T4401] Workqueue: usb_hub_wq hub_event [ 213.589049][ T4401] Call Trace: [ 213.592335][ T4401] dump_stack+0xfa/0x151 [ 213.596585][ T4401] sysfs_warn_dup.cold+0x1c/0x29 [ 213.601536][ T4401] sysfs_do_create_link_sd+0x11e/0x140 [ 213.607021][ T4401] sysfs_create_link+0x5f/0xc0 [ 213.611810][ T4401] device_add+0x789/0x1db0 [ 213.616264][ T4401] ? memset+0x20/0x40 [ 213.620434][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 213.626000][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 213.632237][ T4401] ? __init_waitqueue_head+0x6b/0xd0 [ 213.637633][ T4401] tty_register_device_attr+0x395/0x7b0 [ 213.643208][ T4401] ? send_break.part.0+0x300/0x300 [ 213.648348][ T4401] ? mark_held_locks+0x9f/0xe0 [ 213.653127][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 213.658720][ T4401] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 213.664441][ T4401] ? tty_port_register_device_attr+0xbc/0x110 [ 213.670541][ T4401] hso_serial_common_create+0x124/0x8b0 [ 213.676386][ T4401] ? kasan_unpoison+0x3a/0x60 [ 213.681095][ T4401] hso_probe+0xef9/0x1f70 [ 213.685426][ T4401] usb_probe_interface+0x315/0x7f0 [ 213.690853][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 213.696437][ T4401] really_probe+0x291/0xe60 [ 213.701062][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 213.707353][ T4401] driver_probe_device+0x26b/0x3d0 [ 213.712481][ T4401] __device_attach_driver+0x1d1/0x290 [ 213.718117][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 213.725059][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 213.730100][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 213.735496][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 213.741508][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 213.747004][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 213.753146][ T4401] __device_attach+0x228/0x4a0 executing program executing program [ 213.757920][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 213.764020][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 213.769419][ T4401] bus_probe_device+0x1e4/0x290 [ 213.774284][ T4401] device_add+0xbdb/0x1db0 [ 213.778707][ T4401] ? wait_for_completion_io+0x270/0x270 [ 213.784301][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 213.790664][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 213.796684][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 213.802990][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 213.809385][ T4401] usb_set_configuration+0x113f/0x1910 [ 213.814977][ T4401] usb_generic_driver_probe+0xba/0x100 [ 213.820816][ T4401] usb_probe_device+0xd9/0x2c0 [ 213.825612][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 213.831710][ T4401] really_probe+0x291/0xe60 [ 213.836247][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 213.842525][ T4401] driver_probe_device+0x26b/0x3d0 [ 213.847665][ T4401] __device_attach_driver+0x1d1/0x290 [ 213.853065][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 213.859255][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 213.864819][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 213.870044][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 213.876025][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 213.881154][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 213.887174][ T4401] __device_attach+0x228/0x4a0 [ 213.892343][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 213.898413][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 213.903743][ T4401] bus_probe_device+0x1e4/0x290 [ 213.908706][ T4401] device_add+0xbdb/0x1db0 [ 213.913278][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 213.919547][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 213.925785][ T4401] usb_new_device.cold+0x721/0x1058 [ 213.931345][ T4401] ? hub_disconnect+0x510/0x510 [ 213.936379][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 213.941313][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 213.947305][ T4401] hub_event+0x2357/0x4320 [ 213.951737][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 213.956869][ T4401] ? zap_class+0x5b1/0x9a0 [ 213.961315][ T4401] ? process_one_work+0x521/0x1580 [ 213.966461][ T4401] ? lock_release+0x6d0/0x6d0 [ 213.971150][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 213.976082][ T4401] ? do_raw_spin_lock+0x120/0x2b0 [ 213.981122][ T4401] ? lock_is_held_type+0x98/0x110 [ 213.986151][ T4401] process_one_work+0x98d/0x1580 [ 213.991322][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 213.996715][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 214.001899][ T4401] worker_thread+0x82b/0x1120 [ 214.006732][ T4401] ? process_one_work+0x1580/0x1580 [ 214.011938][ T4401] kthread+0x38c/0x460 [ 214.016128][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 214.021334][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 214.026533][ T4401] ret_from_fork+0x1f/0x30 [ 214.033612][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 214.038684][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 214.041338][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 214.050252][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 214.058285][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.058307][ T1551] Workqueue: usb_hub_wq hub_event [ 214.058344][ T1551] Call Trace: [ 214.058356][ T1551] dump_stack+0xfa/0x151 [ 214.066555][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 214.076756][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 214.076792][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 214.076817][ T1551] sysfs_create_link+0x5f/0xc0 [ 214.081873][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 214.085204][ T1551] device_add+0x789/0x1db0 [ 214.120065][ T4742] usb 4-1: config 0 descriptor?? [ 214.121721][ T1551] ? memset+0x20/0x40 [ 214.121753][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 214.121781][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 214.136809][ T4399] usb 5-1: config 0 descriptor?? [ 214.140717][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 214.140753][ T1551] tty_register_device_attr+0x395/0x7b0 [ 214.140785][ T1551] ? send_break.part.0+0x300/0x300 [ 214.140810][ T1551] ? mark_held_locks+0x9f/0xe0 [ 214.172967][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 214.178459][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 214.185344][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 214.191620][ T1551] hso_serial_common_create+0x124/0x8b0 [ 214.197463][ T1551] ? kasan_unpoison+0x3a/0x60 [ 214.202172][ T1551] hso_probe+0xef9/0x1f70 executing program [ 214.206655][ T1551] usb_probe_interface+0x315/0x7f0 [ 214.211935][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 214.217342][ T1551] really_probe+0x291/0xe60 [ 214.221868][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 214.228133][ T1551] driver_probe_device+0x26b/0x3d0 [ 214.233273][ T1551] __device_attach_driver+0x1d1/0x290 [ 214.239367][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 214.245378][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 214.250255][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 executing program [ 214.255303][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 214.261420][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 214.266470][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 214.272326][ T1551] __device_attach+0x228/0x4a0 [ 214.277291][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 214.284774][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 214.290114][ T1551] bus_probe_device+0x1e4/0x290 [ 214.294994][ T1551] device_add+0xbdb/0x1db0 [ 214.299436][ T1551] ? wait_for_completion_io+0x270/0x270 [ 214.305006][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 214.311274][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 214.317286][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 214.323902][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 214.332269][ T1551] usb_set_configuration+0x113f/0x1910 [ 214.338139][ T1551] usb_generic_driver_probe+0xba/0x100 [ 214.343625][ T1551] usb_probe_device+0xd9/0x2c0 [ 214.350927][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 214.357036][ T1551] really_probe+0x291/0xe60 [ 214.365972][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 214.372515][ T1551] driver_probe_device+0x26b/0x3d0 [ 214.378348][ T1551] __device_attach_driver+0x1d1/0x290 [ 214.387813][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 214.393817][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 214.398965][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 214.403996][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 214.409978][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 214.415264][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 214.421121][ T1551] __device_attach+0x228/0x4a0 [ 214.425893][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 214.432003][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 214.437286][ T1551] bus_probe_device+0x1e4/0x290 [ 214.442149][ T1551] device_add+0xbdb/0x1db0 [ 214.446564][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 214.452802][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 214.459038][ T1551] usb_new_device.cold+0x721/0x1058 [ 214.464322][ T1551] ? hub_disconnect+0x510/0x510 [ 214.469259][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 214.474590][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 214.480577][ T1551] hub_event+0x2357/0x4320 [ 214.485134][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 214.490276][ T1551] ? zap_class+0x5b1/0x9a0 [ 214.494910][ T1551] ? process_one_work+0x521/0x1580 [ 214.500342][ T1551] ? lock_release+0x6d0/0x6d0 [ 214.505016][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 214.509994][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 214.515193][ T1551] ? lock_is_held_type+0x98/0x110 [ 214.520236][ T1551] process_one_work+0x98d/0x1580 [ 214.525200][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 214.530689][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 214.535645][ T1551] worker_thread+0x82b/0x1120 [ 214.540332][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 214.545378][ T1551] ? process_one_work+0x1580/0x1580 [ 214.550596][ T1551] kthread+0x38c/0x460 [ 214.554671][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 214.559894][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 214.565203][ T1551] ret_from_fork+0x1f/0x30 [ 214.570778][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 214.580786][ T4407] usb 1-1: USB disconnect, device number 88 [ 214.588985][ T4401] usb 2-1: USB disconnect, device number 87 [ 214.622743][ T1551] usb 3-1: USB disconnect, device number 85 [ 214.647376][ T32] usb 6-1: USB disconnect, device number 85 [ 214.817992][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 214.825495][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 214.833598][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.843684][ T4742] Workqueue: usb_hub_wq hub_event [ 214.849122][ T4742] Call Trace: [ 214.852512][ T4742] dump_stack+0xfa/0x151 [ 214.856784][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 214.861736][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 214.867604][ T4742] sysfs_create_link+0x5f/0xc0 [ 214.872377][ T4742] device_add+0x789/0x1db0 [ 214.877060][ T4742] ? memset+0x20/0x40 [ 214.881066][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 214.886567][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 214.893692][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 214.899326][ T4742] tty_register_device_attr+0x395/0x7b0 [ 214.904965][ T4742] ? send_break.part.0+0x300/0x300 [ 214.910074][ T4742] ? mark_held_locks+0x9f/0xe0 [ 214.914949][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 214.920540][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 214.926249][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 214.933277][ T4742] hso_serial_common_create+0x124/0x8b0 [ 214.938853][ T4742] ? kasan_unpoison+0x3a/0x60 [ 214.943588][ T4742] hso_probe+0xef9/0x1f70 [ 214.947074][ T4407] usb 1-1: new high-speed USB device number 89 using dummy_hcd [ 214.947921][ T4742] usb_probe_interface+0x315/0x7f0 [ 214.947955][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 214.947981][ T4742] really_probe+0x291/0xe60 [ 214.955587][ T4401] usb 2-1: new high-speed USB device number 88 using dummy_hcd [ 214.960646][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 214.960678][ T4742] driver_probe_device+0x26b/0x3d0 [ 214.960703][ T4742] __device_attach_driver+0x1d1/0x290 [ 214.960728][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 214.960754][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 214.987259][ T1551] usb 3-1: new high-speed USB device number 86 using dummy_hcd executing program executing program [ 214.989951][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 214.989985][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 214.990013][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 214.990037][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 215.007817][ T32] usb 6-1: new high-speed USB device number 86 using dummy_hcd [ 215.014462][ T4742] __device_attach+0x228/0x4a0 [ 215.049578][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 215.055917][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 215.061358][ T4742] bus_probe_device+0x1e4/0x290 [ 215.066354][ T4742] device_add+0xbdb/0x1db0 [ 215.070805][ T4742] ? wait_for_completion_io+0x270/0x270 [ 215.076471][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 215.082749][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 215.088758][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 215.094596][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 215.100868][ T4742] usb_set_configuration+0x113f/0x1910 [ 215.106361][ T4742] usb_generic_driver_probe+0xba/0x100 [ 215.111856][ T4742] usb_probe_device+0xd9/0x2c0 [ 215.116647][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 215.122742][ T4742] really_probe+0x291/0xe60 [ 215.127342][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 215.133867][ T4742] driver_probe_device+0x26b/0x3d0 [ 215.138996][ T4742] __device_attach_driver+0x1d1/0x290 [ 215.144365][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 215.150693][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 215.155566][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 215.160698][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 215.166700][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 215.171743][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 215.178452][ T4742] __device_attach+0x228/0x4a0 [ 215.183457][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 215.189566][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 215.194939][ T4742] bus_probe_device+0x1e4/0x290 [ 215.199943][ T4742] device_add+0xbdb/0x1db0 [ 215.204396][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 215.210923][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 215.217174][ T4742] usb_new_device.cold+0x721/0x1058 [ 215.222420][ T4742] ? hub_disconnect+0x510/0x510 [ 215.227103][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 215.227480][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 215.227516][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 215.232663][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 215.237519][ T4742] hub_event+0x2357/0x4320 [ 215.237555][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 215.237589][ T4742] ? zap_class+0x5b0/0x9a0 [ 215.237613][ T4742] ? process_one_work+0x521/0x1580 [ 215.237640][ T4742] ? lock_release+0x6d0/0x6d0 [ 215.247224][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 215.248657][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 215.282974][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 215.288005][ T4742] ? lock_is_held_type+0x98/0x110 [ 215.293073][ T4742] process_one_work+0x98d/0x1580 [ 215.298039][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 [ 215.303540][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 215.308609][ T4742] worker_thread+0x82b/0x1120 [ 215.313806][ T4742] ? __kthread_parkme+0x118/0x1d0 [ 215.319140][ T4742] ? process_one_work+0x1580/0x1580 [ 215.324385][ T4742] kthread+0x38c/0x460 [ 215.327285][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 215.328745][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 [ 215.339071][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 215.344383][ T4742] ret_from_fork+0x1f/0x30 [ 215.347572][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 215.349860][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 215.358858][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 215.368214][ T4742] usb 4-1: USB disconnect, device number 86 [ 215.376717][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 215.382778][ T4399] usb 5-1: USB disconnect, device number 86 [ 215.391816][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 215.406120][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 215.415257][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 215.449172][ T4407] usb 1-1: config 0 descriptor?? [ 215.458883][ T1551] usb 3-1: config 0 descriptor?? [ 215.465436][ T4401] usb 2-1: config 0 descriptor?? [ 215.497518][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 215.507585][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 215.521784][ T32] usb 6-1: config 0 descriptor?? [ 215.708058][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 215.718282][ T4401] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 215.726137][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 215.734461][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.744759][ T4401] Workqueue: usb_hub_wq hub_event [ 215.749938][ T4401] Call Trace: [ 215.753249][ T4401] dump_stack+0xfa/0x151 [ 215.757708][ T4401] sysfs_warn_dup.cold+0x1c/0x29 [ 215.763056][ T4401] sysfs_do_create_link_sd+0x11e/0x140 [ 215.768717][ T4401] sysfs_create_link+0x5f/0xc0 [ 215.773500][ T4401] device_add+0x789/0x1db0 [ 215.777921][ T4401] ? memset+0x20/0x40 [ 215.781923][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 215.787486][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 215.793924][ T4401] ? __init_waitqueue_head+0x6b/0xd0 [ 215.799322][ T4401] tty_register_device_attr+0x395/0x7b0 [ 215.804875][ T4401] ? send_break.part.0+0x300/0x300 [ 215.809988][ T4401] ? mark_held_locks+0x9f/0xe0 [ 215.814764][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 215.820239][ T4401] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 215.825966][ T4401] ? tty_port_register_device_attr+0xbc/0x110 [ 215.832927][ T4401] hso_serial_common_create+0x124/0x8b0 [ 215.838512][ T4401] ? kasan_unpoison+0x3a/0x60 [ 215.843217][ T4401] hso_probe+0xef9/0x1f70 [ 215.847572][ T4401] usb_probe_interface+0x315/0x7f0 [ 215.852706][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 215.858099][ T4401] really_probe+0x291/0xe60 [ 215.862636][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 215.868882][ T4401] driver_probe_device+0x26b/0x3d0 [ 215.874083][ T4401] __device_attach_driver+0x1d1/0x290 [ 215.879609][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 215.885601][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 215.890450][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 215.895467][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 215.901604][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 executing program executing program [ 215.907698][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 215.913981][ T4401] __device_attach+0x228/0x4a0 [ 215.918783][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 215.924883][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 215.930203][ T4401] bus_probe_device+0x1e4/0x290 [ 215.935105][ T4401] device_add+0xbdb/0x1db0 [ 215.939668][ T4401] ? wait_for_completion_io+0x270/0x270 [ 215.945238][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 215.951507][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 215.957545][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 215.963395][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 215.969669][ T4401] usb_set_configuration+0x113f/0x1910 [ 215.975161][ T4401] usb_generic_driver_probe+0xba/0x100 [ 215.980738][ T4401] usb_probe_device+0xd9/0x2c0 [ 215.985537][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 215.991749][ T4401] really_probe+0x291/0xe60 [ 215.996553][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 216.002856][ T4401] driver_probe_device+0x26b/0x3d0 [ 216.007989][ T4401] __device_attach_driver+0x1d1/0x290 [ 216.013369][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 216.019398][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 216.024248][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 216.029265][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 216.035245][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 216.040455][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 216.046270][ T4401] __device_attach+0x228/0x4a0 [ 216.051068][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 216.057442][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 216.062751][ T4401] bus_probe_device+0x1e4/0x290 [ 216.067599][ T4401] device_add+0xbdb/0x1db0 [ 216.072009][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 216.078271][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 216.084518][ T4401] usb_new_device.cold+0x721/0x1058 [ 216.089811][ T4401] ? hub_disconnect+0x510/0x510 [ 216.094764][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 216.099714][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 216.106170][ T4401] hub_event+0x2357/0x4320 [ 216.110627][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 216.115762][ T4401] ? zap_class+0x5b1/0x9a0 [ 216.120174][ T4401] ? process_one_work+0x521/0x1580 [ 216.125289][ T4401] ? lock_release+0x6d0/0x6d0 [ 216.130002][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 216.134975][ T4401] ? do_raw_spin_lock+0x120/0x2b0 [ 216.140615][ T4401] ? lock_is_held_type+0x98/0x110 [ 216.145682][ T4401] process_one_work+0x98d/0x1580 [ 216.150652][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 216.156070][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 216.161140][ T4401] worker_thread+0x82b/0x1120 [ 216.165936][ T4401] ? process_one_work+0x1580/0x1580 [ 216.171154][ T4401] kthread+0x38c/0x460 [ 216.175220][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 216.180433][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 216.186428][ T4401] ret_from_fork+0x1f/0x30 [ 216.191433][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 216.197655][ T4399] usb 5-1: new high-speed USB device number 87 using dummy_hcd executing program [ 216.198376][ T4407] usb 1-1: USB disconnect, device number 89 [ 216.205531][ T4742] usb 4-1: new high-speed USB device number 87 using dummy_hcd [ 216.227525][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 216.235347][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 216.243355][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.253429][ T32] Workqueue: usb_hub_wq hub_event [ 216.257717][ T2633] usb 2-1: USB disconnect, device number 88 [ 216.258493][ T32] Call Trace: [ 216.258504][ T32] dump_stack+0xfa/0x151 [ 216.272091][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 216.277089][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 216.282796][ T32] sysfs_create_link+0x5f/0xc0 [ 216.287595][ T32] device_add+0x789/0x1db0 [ 216.292128][ T32] ? memset+0x20/0x40 [ 216.296146][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 216.301647][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 216.307916][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 216.313298][ T32] tty_register_device_attr+0x395/0x7b0 [ 216.319155][ T32] ? send_break.part.0+0x300/0x300 [ 216.324270][ T32] ? mark_held_locks+0x9f/0xe0 [ 216.329032][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 216.334505][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 216.340239][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 216.346393][ T32] hso_serial_common_create+0x124/0x8b0 [ 216.352423][ T32] ? kasan_unpoison+0x3a/0x60 [ 216.357218][ T32] hso_probe+0xef9/0x1f70 [ 216.361742][ T32] usb_probe_interface+0x315/0x7f0 [ 216.366991][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 216.372651][ T32] really_probe+0x291/0xe60 [ 216.377206][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 216.383455][ T32] driver_probe_device+0x26b/0x3d0 [ 216.388567][ T32] __device_attach_driver+0x1d1/0x290 [ 216.393947][ T32] ? driver_allows_async_probing+0x150/0x150 [ 216.399947][ T32] bus_for_each_drv+0x15f/0x1e0 [ 216.405002][ T32] ? bus_for_each_dev+0x1d0/0x1d0 executing program [ 216.410029][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 216.416009][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 216.421209][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 216.427049][ T32] __device_attach+0x228/0x4a0 [ 216.431963][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 216.438901][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 216.444417][ T32] bus_probe_device+0x1e4/0x290 [ 216.449298][ T32] device_add+0xbdb/0x1db0 [ 216.453746][ T32] ? wait_for_completion_io+0x270/0x270 [ 216.459405][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 216.465881][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 216.472152][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 216.477987][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 216.484258][ T32] usb_set_configuration+0x113f/0x1910 [ 216.489742][ T32] usb_generic_driver_probe+0xba/0x100 [ 216.495253][ T32] usb_probe_device+0xd9/0x2c0 [ 216.500044][ T32] ? usb_driver_release_interface+0x180/0x180 [ 216.506177][ T32] really_probe+0x291/0xe60 [ 216.510963][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 216.517234][ T32] driver_probe_device+0x26b/0x3d0 [ 216.522518][ T32] __device_attach_driver+0x1d1/0x290 [ 216.528363][ T32] ? driver_allows_async_probing+0x150/0x150 [ 216.534668][ T32] bus_for_each_drv+0x15f/0x1e0 [ 216.539645][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 216.544718][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 216.550736][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 216.555831][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 216.561736][ T32] __device_attach+0x228/0x4a0 [ 216.566601][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 216.572818][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 216.578118][ T32] bus_probe_device+0x1e4/0x290 [ 216.583248][ T32] device_add+0xbdb/0x1db0 [ 216.587762][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 216.594285][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 216.602529][ T32] usb_new_device.cold+0x721/0x1058 [ 216.607961][ T32] ? hub_disconnect+0x510/0x510 [ 216.612914][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 216.617885][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 216.623878][ T32] hub_event+0x2357/0x4320 [ 216.628295][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 216.633584][ T32] ? zap_class+0x5b1/0x9a0 [ 216.638003][ T32] ? process_one_work+0x521/0x1580 [ 216.643138][ T32] ? lock_release+0x6d0/0x6d0 [ 216.647830][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 216.652791][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 216.657849][ T32] ? lock_is_held_type+0x98/0x110 [ 216.663230][ T32] process_one_work+0x98d/0x1580 [ 216.668183][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 216.673577][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 216.678567][ T32] worker_thread+0x64c/0x1120 [ 216.683371][ T32] ? __kthread_parkme+0x118/0x1d0 [ 216.688484][ T32] ? process_one_work+0x1580/0x1580 [ 216.693687][ T32] kthread+0x38c/0x460 [ 216.697783][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 216.703127][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 216.708239][ T32] ret_from_fork+0x1f/0x30 [ 216.716787][ T1551] usb 3-1: USB disconnect, device number 86 [ 216.729092][ T32] usb 6-1: USB disconnect, device number 86 [ 216.937130][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 216.942603][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 217.037088][ T2633] usb 2-1: new high-speed USB device number 89 using dummy_hcd [ 217.057090][ T4407] usb 1-1: new high-speed USB device number 90 using dummy_hcd [ 217.067279][ T1551] usb 3-1: new high-speed USB device number 87 using dummy_hcd [ 217.077980][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 217.087236][ T32] usb 6-1: new high-speed USB device number 87 using dummy_hcd [ 217.090167][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 217.106043][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 217.115371][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 217.125564][ T4399] usb 5-1: config 0 descriptor?? [ 217.132426][ T4742] usb 4-1: config 0 descriptor?? [ 217.297122][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 217.307279][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 217.327118][ T2633] usb 2-1: Using ep0 maxpacket: 8 [ 217.337243][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 217.407999][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 217.415816][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 217.417530][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 217.423884][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.433147][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 217.443714][ T4742] Workqueue: usb_hub_wq hub_event [ 217.443754][ T4742] Call Trace: [ 217.443766][ T4742] dump_stack+0xfa/0x151 [ 217.443791][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 217.443817][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 217.443840][ T4742] sysfs_create_link+0x5f/0xc0 [ 217.443859][ T4742] device_add+0x789/0x1db0 [ 217.443882][ T4742] ? memset+0x20/0x40 [ 217.452766][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 217.457385][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 217.457420][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 217.457445][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 217.457476][ T4742] tty_register_device_attr+0x395/0x7b0 [ 217.457505][ T4742] ? send_break.part.0+0x300/0x300 [ 217.457530][ T4742] ? mark_held_locks+0x9f/0xe0 [ 217.457553][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 217.457577][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 217.460870][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 217.465179][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 217.471120][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 217.476321][ T4742] hso_serial_common_create+0x124/0x8b0 [ 217.476356][ T4742] ? kasan_unpoison+0x3a/0x60 [ 217.476382][ T4742] hso_probe+0xef9/0x1f70 [ 217.476405][ T4742] usb_probe_interface+0x315/0x7f0 [ 217.481342][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 217.485863][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 217.495834][ T1551] usb 3-1: config 0 descriptor?? executing program [ 217.499343][ T4742] really_probe+0x291/0xe60 [ 217.499377][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 217.499405][ T4742] driver_probe_device+0x26b/0x3d0 [ 217.499429][ T4742] __device_attach_driver+0x1d1/0x290 [ 217.499452][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 217.499476][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 217.499498][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 217.499519][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 217.511048][ T32] usb 6-1: config 0 descriptor?? [ 217.511354][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 217.522264][ T4407] usb 1-1: config 0 descriptor?? [ 217.527907][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 217.527945][ T4742] __device_attach+0x228/0x4a0 [ 217.527980][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 217.528005][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 217.528030][ T4742] bus_probe_device+0x1e4/0x290 [ 217.694205][ T4742] device_add+0xbdb/0x1db0 [ 217.698680][ T4742] ? wait_for_completion_io+0x270/0x270 [ 217.704286][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 217.710565][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 217.716617][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 217.722469][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 217.728743][ T4742] usb_set_configuration+0x113f/0x1910 [ 217.734340][ T4742] usb_generic_driver_probe+0xba/0x100 [ 217.739836][ T4742] usb_probe_device+0xd9/0x2c0 [ 217.744748][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 217.751003][ T4742] really_probe+0x291/0xe60 [ 217.755571][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 217.761936][ T4742] driver_probe_device+0x26b/0x3d0 [ 217.767096][ T4742] __device_attach_driver+0x1d1/0x290 [ 217.772530][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 217.777881][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 217.778895][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 217.778927][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 217.778948][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 217.778981][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 217.779005][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 217.813892][ T4742] __device_attach+0x228/0x4a0 [ 217.818776][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 217.824865][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 217.830259][ T4742] bus_probe_device+0x1e4/0x290 [ 217.835132][ T4742] device_add+0xbdb/0x1db0 [ 217.839569][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 217.845836][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 217.852312][ T4742] usb_new_device.cold+0x721/0x1058 [ 217.857665][ T4742] ? hub_disconnect+0x510/0x510 [ 217.862634][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 217.867605][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 217.873655][ T4742] hub_event+0x2357/0x4320 [ 217.878196][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 217.883425][ T4742] ? zap_class+0x5b1/0x9a0 [ 217.887884][ T4742] ? process_one_work+0x521/0x1580 [ 217.893019][ T4742] ? lock_release+0x6d0/0x6d0 [ 217.897716][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 217.903626][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 217.908668][ T4742] ? lock_is_held_type+0x98/0x110 [ 217.913725][ T4742] process_one_work+0x98d/0x1580 [ 217.918694][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 [ 217.924107][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 217.929083][ T4742] worker_thread+0x82b/0x1120 [ 217.933794][ T4742] ? __kthread_parkme+0x118/0x1d0 [ 217.938849][ T4742] ? process_one_work+0x1580/0x1580 [ 217.944084][ T4742] kthread+0x38c/0x460 [ 217.948182][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 [ 217.954313][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 217.959459][ T4742] ret_from_fork+0x1f/0x30 [ 217.964343][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 217.966319][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 217.972515][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.972539][ T32] Workqueue: usb_hub_wq hub_event [ 217.972574][ T32] Call Trace: [ 217.972587][ T32] dump_stack+0xfa/0x151 [ 217.972613][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 217.972638][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 218.015948][ T32] sysfs_create_link+0x5f/0xc0 [ 218.017091][ T4742] usb 4-1: USB disconnect, device number 87 [ 218.020817][ T32] device_add+0x789/0x1db0 [ 218.020847][ T32] ? memset+0x20/0x40 [ 218.020870][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 218.040697][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 218.046973][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 218.052296][ T32] tty_register_device_attr+0x395/0x7b0 executing program [ 218.057885][ T32] ? send_break.part.0+0x300/0x300 [ 218.063115][ T32] ? mark_held_locks+0x9f/0xe0 [ 218.067905][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 218.073398][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 218.079144][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 218.082379][ T4399] usb 5-1: USB disconnect, device number 87 [ 218.085873][ T32] hso_serial_common_create+0x124/0x8b0 [ 218.085908][ T32] ? kasan_unpoison+0x3a/0x60 [ 218.085933][ T32] hso_probe+0xef9/0x1f70 [ 218.085956][ T32] usb_probe_interface+0x315/0x7f0 [ 218.111979][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 218.117391][ T32] really_probe+0x291/0xe60 [ 218.122042][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 218.128370][ T32] driver_probe_device+0x26b/0x3d0 [ 218.133518][ T32] __device_attach_driver+0x1d1/0x290 [ 218.138955][ T32] ? driver_allows_async_probing+0x150/0x150 [ 218.144979][ T32] bus_for_each_drv+0x15f/0x1e0 [ 218.149865][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 218.154915][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 218.160929][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 218.166020][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 218.171879][ T32] __device_attach+0x228/0x4a0 [ 218.176679][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 218.182777][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 218.188092][ T32] bus_probe_device+0x1e4/0x290 [ 218.193082][ T32] device_add+0xbdb/0x1db0 [ 218.197525][ T32] ? wait_for_completion_io+0x270/0x270 [ 218.203116][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 executing program [ 218.209390][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 218.215487][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 218.221343][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 218.227702][ T32] usb_set_configuration+0x113f/0x1910 [ 218.233192][ T32] usb_generic_driver_probe+0xba/0x100 [ 218.238684][ T32] usb_probe_device+0xd9/0x2c0 [ 218.243741][ T32] ? usb_driver_release_interface+0x180/0x180 [ 218.251234][ T32] really_probe+0x291/0xe60 [ 218.256058][ T32] driver_probe_device+0x26b/0x3d0 [ 218.264153][ T32] __device_attach_driver+0x1d1/0x290 [ 218.269801][ T32] ? driver_allows_async_probing+0x150/0x150 [ 218.275946][ T32] bus_for_each_drv+0x15f/0x1e0 [ 218.281019][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 218.287493][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 218.293924][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 218.299266][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 218.305074][ T32] __device_attach+0x228/0x4a0 [ 218.310134][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 218.316221][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 218.321592][ T32] bus_probe_device+0x1e4/0x290 [ 218.326463][ T32] device_add+0xbdb/0x1db0 [ 218.331066][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 218.337555][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 218.344673][ T32] usb_new_device.cold+0x721/0x1058 [ 218.349984][ T32] ? hub_disconnect+0x510/0x510 [ 218.355056][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 218.360089][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 218.366170][ T32] hub_event+0x2357/0x4320 [ 218.370688][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 218.376665][ T32] ? zap_class+0x5b1/0x9a0 [ 218.381172][ T32] ? process_one_work+0x521/0x1580 [ 218.386918][ T32] ? lock_release+0x6d0/0x6d0 [ 218.391733][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 218.397395][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 218.402603][ T32] ? lock_is_held_type+0x98/0x110 [ 218.407660][ T32] process_one_work+0x98d/0x1580 [ 218.412709][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 218.418079][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 218.423023][ T32] worker_thread+0x82b/0x1120 [ 218.427851][ T32] ? __kthread_parkme+0x118/0x1d0 [ 218.432903][ T32] ? process_one_work+0x1580/0x1580 [ 218.438121][ T32] kthread+0x38c/0x460 [ 218.442318][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 218.447843][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 218.453089][ T32] ret_from_fork+0x1f/0x30 executing program [ 218.458792][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 218.473285][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 218.483206][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.493718][ T4407] Workqueue: usb_hub_wq hub_event [ 218.498781][ T4407] Call Trace: [ 218.502338][ T4407] dump_stack+0xfa/0x151 [ 218.506640][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 218.511781][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 218.517273][ T4407] sysfs_create_link+0x5f/0xc0 [ 218.522215][ T4407] device_add+0x789/0x1db0 [ 218.527175][ T4407] ? memset+0x20/0x40 [ 218.531184][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 218.536680][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 218.542953][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 218.548438][ T4407] tty_register_device_attr+0x395/0x7b0 [ 218.554052][ T4407] ? send_break.part.0+0x300/0x300 [ 218.559253][ T4407] ? mark_held_locks+0x9f/0xe0 [ 218.564320][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 218.569790][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 218.575677][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 218.581831][ T4407] hso_serial_common_create+0x124/0x8b0 [ 218.587410][ T4407] ? kasan_unpoison+0x3a/0x60 [ 218.592157][ T4407] hso_probe+0xef9/0x1f70 [ 218.596541][ T4407] usb_probe_interface+0x315/0x7f0 [ 218.601664][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 218.607048][ T4407] really_probe+0x291/0xe60 [ 218.611593][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 218.617882][ T4407] driver_probe_device+0x26b/0x3d0 [ 218.623187][ T4407] __device_attach_driver+0x1d1/0x290 [ 218.628620][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 218.634602][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 218.639474][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 218.644512][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 218.650512][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 218.655589][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 218.661874][ T4407] __device_attach+0x228/0x4a0 [ 218.666846][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 218.673346][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 218.678693][ T4407] bus_probe_device+0x1e4/0x290 [ 218.684272][ T4407] device_add+0xbdb/0x1db0 [ 218.688965][ T4407] ? wait_for_completion_io+0x270/0x270 [ 218.695795][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 218.702525][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 218.708929][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 218.714943][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 218.721193][ T4407] usb_set_configuration+0x113f/0x1910 [ 218.726697][ T4407] usb_generic_driver_probe+0xba/0x100 [ 218.732362][ T4407] usb_probe_device+0xd9/0x2c0 [ 218.737158][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 218.743230][ T4407] really_probe+0x291/0xe60 [ 218.747733][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 218.754741][ T4407] driver_probe_device+0x26b/0x3d0 [ 218.760562][ T4407] __device_attach_driver+0x1d1/0x290 [ 218.766038][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 218.772116][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 218.776978][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 218.782032][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 218.788016][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 218.793038][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 218.798851][ T4407] __device_attach+0x228/0x4a0 [ 218.803728][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 218.809834][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 218.815246][ T4407] bus_probe_device+0x1e4/0x290 [ 218.820105][ T4407] device_add+0xbdb/0x1db0 [ 218.824546][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 218.830901][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 218.837540][ T4407] usb_new_device.cold+0x721/0x1058 [ 218.842863][ T4407] ? hub_disconnect+0x510/0x510 [ 218.847718][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 218.852688][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 218.858998][ T4407] hub_event+0x2357/0x4320 [ 218.863623][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 218.868937][ T4407] ? zap_class+0x5b1/0x9a0 [ 218.873552][ T4407] ? process_one_work+0x521/0x1580 [ 218.885027][ T4407] ? lock_release+0x6d0/0x6d0 [ 218.889707][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 218.895228][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 218.900967][ T4407] ? lock_is_held_type+0x98/0x110 [ 218.905991][ T4407] process_one_work+0x98d/0x1580 [ 218.910943][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 218.916335][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 218.921283][ T4407] worker_thread+0x82b/0x1120 [ 218.925998][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 218.931056][ T4407] ? process_one_work+0x1580/0x1580 [ 218.936474][ T4407] kthread+0x38c/0x460 [ 218.940987][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 218.946197][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 218.951343][ T4407] ret_from_fork+0x1f/0x30 [ 218.958432][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 218.966342][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 218.969362][ T1551] usb 3-1: USB disconnect, device number 87 [ 218.975876][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 218.984101][ T4407] usb 1-1: USB disconnect, device number 90 [ 219.042259][ T2633] usb 2-1: config 0 descriptor?? [ 219.049064][ T32] usb 6-1: USB disconnect, device number 87 [ 219.257098][ T4742] usb 4-1: new high-speed USB device number 88 using dummy_hcd [ 219.265428][ T4399] usb 5-1: new high-speed USB device number 88 using dummy_hcd [ 219.318094][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 219.357209][ T1551] usb 3-1: new high-speed USB device number 88 using dummy_hcd [ 219.365374][ T4407] usb 1-1: new high-speed USB device number 91 using dummy_hcd [ 219.437124][ T32] usb 6-1: new high-speed USB device number 88 using dummy_hcd executing program [ 219.519748][ T2633] usb 2-1: USB disconnect, device number 89 [ 219.547110][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 219.553016][ T4399] usb 5-1: Using ep0 maxpacket: 8 [ 219.597094][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 219.608931][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 219.677218][ T32] usb 6-1: Using ep0 maxpacket: 8 [ 219.697448][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 219.706926][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 219.717739][ T4742] usb 4-1: config 0 descriptor?? [ 219.720415][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 219.728670][ T4399] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 219.732396][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 219.741826][ T4399] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 219.760721][ T4399] usb 5-1: config 0 descriptor?? [ 219.762166][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 219.775053][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 219.785825][ T4407] usb 1-1: config 0 descriptor?? [ 219.794317][ T1551] usb 3-1: config 0 descriptor?? [ 219.817680][ T32] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 219.827176][ T32] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 219.844948][ T32] usb 6-1: config 0 descriptor?? [ 219.917422][ T2633] usb 2-1: new high-speed USB device number 90 using dummy_hcd [ 219.988056][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 220.018358][ T4399] hso 5-1:0.0: Failed to find BULK IN ep [ 220.048462][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 220.059053][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 220.119036][ T32] hso 6-1:0.0: Failed to find BULK IN ep [ 220.157219][ T2633] usb 2-1: Using ep0 maxpacket: 8 executing program executing program [ 220.189062][ T32] usb 4-1: USB disconnect, device number 88 [ 220.219121][ T1551] usb 5-1: USB disconnect, device number 88 executing program executing program [ 220.257739][ T4407] usb 1-1: USB disconnect, device number 91 [ 220.267384][ T4399] usb 3-1: USB disconnect, device number 88 [ 220.277423][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 220.286592][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 220.315432][ T2633] usb 2-1: config 0 descriptor?? [ 220.329843][ T4742] usb 6-1: USB disconnect, device number 88 [ 220.587104][ T1551] usb 5-1: new high-speed USB device number 89 using dummy_hcd [ 220.597269][ T32] usb 4-1: new high-speed USB device number 89 using dummy_hcd [ 220.608436][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 220.627647][ T4407] usb 1-1: new high-speed USB device number 92 using dummy_hcd [ 220.677094][ T4399] usb 3-1: new high-speed USB device number 89 using dummy_hcd [ 220.697201][ T4742] usb 6-1: new high-speed USB device number 89 using dummy_hcd executing program [ 220.808873][ T4401] usb 2-1: USB disconnect, device number 90 [ 220.827504][ T1551] usb 5-1: Using ep0 maxpacket: 8 [ 220.837223][ T32] usb 4-1: Using ep0 maxpacket: 8 [ 220.867543][ T4407] usb 1-1: Using ep0 maxpacket: 8 [ 220.927179][ T4399] usb 3-1: Using ep0 maxpacket: 8 [ 220.947232][ T1551] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 220.956456][ T1551] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 220.965695][ T32] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 220.967155][ T4742] usb 6-1: Using ep0 maxpacket: 8 [ 220.974831][ T32] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 220.990737][ T1551] usb 5-1: config 0 descriptor?? [ 221.000612][ T32] usb 4-1: config 0 descriptor?? [ 221.027389][ T4407] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 221.036707][ T4407] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 221.064638][ T4407] usb 1-1: config 0 descriptor?? [ 221.077403][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 221.086485][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 221.100605][ T4399] usb 3-1: config 0 descriptor?? [ 221.127697][ T4742] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 221.137105][ T4742] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 221.149066][ T4742] usb 6-1: config 0 descriptor?? [ 221.247150][ T4401] usb 2-1: new high-speed USB device number 91 using dummy_hcd [ 221.259430][ T1551] hso 5-1:0.0: Failed to find BULK IN ep [ 221.271661][ T32] hso 4-1:0.0: Failed to find BULK IN ep [ 221.328575][ T4407] hso 1-1:0.0: Failed to find BULK IN ep [ 221.348247][ T4399] hso 3-1:0.0: Failed to find BULK IN ep [ 221.408992][ T4742] hso 6-1:0.0: Failed to find BULK IN ep executing program executing program [ 221.459767][ T4742] usb 5-1: USB disconnect, device number 89 [ 221.474049][ T4407] usb 4-1: USB disconnect, device number 89 [ 221.491246][ T4401] usb 2-1: Using ep0 maxpacket: 8 executing program executing program [ 221.530566][ T32] usb 1-1: USB disconnect, device number 92 [ 221.549833][ T1551] usb 3-1: USB disconnect, device number 89 executing program [ 221.607377][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 221.609691][ T4399] usb 6-1: USB disconnect, device number 89 [ 221.616515][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 221.667169][ T4401] usb 2-1: config 0 descriptor?? [ 221.847140][ T4407] usb 4-1: new high-speed USB device number 90 using dummy_hcd [ 221.867153][ T4742] usb 5-1: new high-speed USB device number 90 using dummy_hcd [ 221.927488][ T1551] usb 3-1: new high-speed USB device number 90 using dummy_hcd [ 221.935361][ T32] usb 1-1: new high-speed USB device number 93 using dummy_hcd [ 221.944544][ T4401] hso 2-1:0.0: Failed to find BULK IN ep [ 222.087083][ T4399] usb 6-1: new high-speed USB device number 90 using dummy_hcd [ 222.087082][ T4407] usb 4-1: Using ep0 maxpacket: 8 executing program [ 222.129210][ T2633] usb 2-1: USB disconnect, device number 91 [ 222.157173][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 222.187201][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 222.192579][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 222.217437][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 222.227385][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 222.245847][ T4407] usb 4-1: config 0 descriptor?? [ 222.307292][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 222.316426][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 222.317276][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 222.331379][ T4742] usb 5-1: config 0 descriptor?? [ 222.333785][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 222.342335][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 222.346641][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 222.361934][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 222.374670][ T1551] usb 3-1: config 0 descriptor?? [ 222.384028][ T32] usb 1-1: config 0 descriptor?? [ 222.487173][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 222.496857][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 222.510353][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 222.514205][ T4399] usb 6-1: config 0 descriptor?? [ 222.521287][ T2633] usb 2-1: new high-speed USB device number 92 using dummy_hcd [ 222.608152][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 222.638591][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 222.647938][ T32] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 222.655551][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.11.0-syzkaller #0 [ 222.665641][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.675724][ T32] Workqueue: usb_hub_wq hub_event [ 222.681254][ T32] Call Trace: [ 222.684572][ T32] dump_stack+0xfa/0x151 [ 222.689274][ T32] sysfs_warn_dup.cold+0x1c/0x29 [ 222.694867][ T32] sysfs_do_create_link_sd+0x11e/0x140 [ 222.700470][ T32] sysfs_create_link+0x5f/0xc0 [ 222.705964][ T32] device_add+0x789/0x1db0 [ 222.710381][ T32] ? memset+0x20/0x40 [ 222.714364][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 222.719854][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 222.726174][ T32] ? __init_waitqueue_head+0x6b/0xd0 [ 222.731583][ T32] tty_register_device_attr+0x395/0x7b0 [ 222.737486][ T32] ? send_break.part.0+0x300/0x300 [ 222.742609][ T32] ? mark_held_locks+0x9f/0xe0 [ 222.747372][ T32] ? lockdep_init_map_type+0x2c3/0x780 [ 222.752828][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 222.758551][ T32] ? tty_port_register_device_attr+0xbc/0x110 [ 222.764990][ T32] hso_serial_common_create+0x124/0x8b0 [ 222.770931][ T32] ? kasan_unpoison+0x3a/0x60 [ 222.775742][ T32] hso_probe+0xef9/0x1f70 [ 222.780084][ T32] usb_probe_interface+0x315/0x7f0 [ 222.785325][ T32] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 222.790702][ T32] really_probe+0x291/0xe60 [ 222.795230][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 222.801487][ T32] driver_probe_device+0x26b/0x3d0 executing program [ 222.806634][ T32] __device_attach_driver+0x1d1/0x290 [ 222.812360][ T32] ? driver_allows_async_probing+0x150/0x150 [ 222.818356][ T32] bus_for_each_drv+0x15f/0x1e0 [ 222.823244][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 222.828302][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 222.834369][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 222.839418][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 222.845258][ T32] __device_attach+0x228/0x4a0 [ 222.850051][ T32] ? __driver_attach_async_helper+0x330/0x330 executing program [ 222.856154][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 222.861473][ T32] bus_probe_device+0x1e4/0x290 [ 222.866532][ T32] device_add+0xbdb/0x1db0 [ 222.871265][ T32] ? wait_for_completion_io+0x270/0x270 [ 222.876841][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 222.883197][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 222.889486][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 222.895512][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 222.902133][ T32] usb_set_configuration+0x113f/0x1910 [ 222.910374][ T32] usb_generic_driver_probe+0xba/0x100 [ 222.916166][ T32] usb_probe_device+0xd9/0x2c0 [ 222.920960][ T32] ? usb_driver_release_interface+0x180/0x180 [ 222.927257][ T32] really_probe+0x291/0xe60 [ 222.931786][ T32] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 222.938306][ T32] driver_probe_device+0x26b/0x3d0 [ 222.943536][ T32] __device_attach_driver+0x1d1/0x290 [ 222.949165][ T32] ? driver_allows_async_probing+0x150/0x150 [ 222.955164][ T32] bus_for_each_drv+0x15f/0x1e0 [ 222.960127][ T32] ? bus_for_each_dev+0x1d0/0x1d0 [ 222.972719][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 222.978994][ T32] ? trace_hardirqs_on+0x5b/0x1a0 [ 222.984023][ T32] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 222.989872][ T32] __device_attach+0x228/0x4a0 [ 222.994745][ T32] ? __driver_attach_async_helper+0x330/0x330 [ 223.000875][ T32] ? kobject_uevent_env+0x2bb/0x1680 [ 223.007328][ T32] bus_probe_device+0x1e4/0x290 [ 223.012750][ T32] device_add+0xbdb/0x1db0 [ 223.017206][ T32] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 223.023585][ T32] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 223.029853][ T32] usb_new_device.cold+0x721/0x1058 [ 223.035252][ T32] ? hub_disconnect+0x510/0x510 [ 223.040106][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 223.045838][ T32] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 223.051834][ T32] hub_event+0x2357/0x4320 [ 223.056406][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 223.061698][ T32] ? zap_class+0x5b0/0x9a0 [ 223.066463][ T32] ? process_one_work+0x521/0x1580 [ 223.073699][ T32] ? lock_release+0x6d0/0x6d0 [ 223.078386][ T32] ? lock_downgrade+0x6d0/0x6d0 [ 223.083242][ T32] ? lock_is_held_type+0x98/0x110 [ 223.088541][ T32] process_one_work+0x98d/0x1580 [ 223.093490][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 223.098883][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 223.103823][ T32] worker_thread+0x64c/0x1120 [ 223.108657][ T32] ? __kthread_parkme+0x118/0x1d0 [ 223.113998][ T32] ? process_one_work+0x1580/0x1580 [ 223.119298][ T32] kthread+0x38c/0x460 [ 223.123371][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 223.128661][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 223.134238][ T32] ret_from_fork+0x1f/0x30 [ 223.145241][ T1551] usb 3-1: USB disconnect, device number 90 executing program executing program [ 223.155785][ T32] usb 1-1: USB disconnect, device number 93 [ 223.159315][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 223.170879][ T4401] usb 5-1: USB disconnect, device number 90 [ 223.178326][ T4407] usb 4-1: USB disconnect, device number 90 [ 223.197215][ T2633] usb 2-1: Using ep0 maxpacket: 8 executing program [ 223.327329][ T2633] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 223.336901][ T2633] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 223.354741][ T2633] usb 2-1: config 0 descriptor?? [ 223.368750][ T4399] usb 6-1: USB disconnect, device number 90 [ 223.517128][ T1551] usb 3-1: new high-speed USB device number 91 using dummy_hcd [ 223.527316][ T32] usb 1-1: new high-speed USB device number 94 using dummy_hcd [ 223.607093][ T4407] usb 4-1: new high-speed USB device number 91 using dummy_hcd [ 223.615050][ T4401] usb 5-1: new high-speed USB device number 91 using dummy_hcd [ 223.628063][ T2633] hso 2-1:0.0: Failed to find BULK IN ep [ 223.757098][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 223.767140][ T4399] usb 6-1: new high-speed USB device number 91 using dummy_hcd [ 223.767704][ T32] usb 1-1: Using ep0 maxpacket: 8 executing program [ 223.829002][ T5007] usb 2-1: USB disconnect, device number 92 [ 223.857363][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 223.862662][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 223.880545][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 223.890384][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 223.898939][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 223.908407][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 223.919166][ T32] usb 1-1: config 0 descriptor?? [ 223.925648][ T1551] usb 3-1: config 0 descriptor?? [ 223.987449][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 223.996912][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 224.005304][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 224.015466][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 224.025881][ T4401] usb 5-1: config 0 descriptor?? [ 224.032518][ T4407] usb 4-1: config 0 descriptor?? [ 224.047370][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 224.178009][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 224.185682][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 224.193987][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.204579][ T1551] Workqueue: usb_hub_wq hub_event [ 224.209613][ T1551] Call Trace: [ 224.212899][ T1551] dump_stack+0xfa/0x151 [ 224.217166][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 224.222281][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 224.228335][ T1551] sysfs_create_link+0x5f/0xc0 [ 224.236053][ T1551] device_add+0x789/0x1db0 [ 224.240685][ T1551] ? memset+0x20/0x40 [ 224.244675][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 224.250184][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 224.256450][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 224.261848][ T1551] tty_register_device_attr+0x395/0x7b0 [ 224.267420][ T1551] ? send_break.part.0+0x300/0x300 [ 224.272661][ T1551] ? mark_held_locks+0x9f/0xe0 [ 224.277472][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 224.282960][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 224.288908][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 224.296333][ T1551] hso_serial_common_create+0x124/0x8b0 [ 224.301895][ T1551] ? kasan_unpoison+0x3a/0x60 [ 224.306577][ T1551] hso_probe+0xef9/0x1f70 [ 224.310922][ T1551] usb_probe_interface+0x315/0x7f0 [ 224.316127][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 224.321637][ T1551] really_probe+0x291/0xe60 [ 224.326169][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 224.332446][ T1551] driver_probe_device+0x26b/0x3d0 [ 224.337604][ T1551] __device_attach_driver+0x1d1/0x290 [ 224.343361][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 224.349363][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 224.354241][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 224.359366][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 224.365478][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 224.370658][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 224.376648][ T1551] __device_attach+0x228/0x4a0 [ 224.381539][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 224.387915][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 224.393324][ T1551] bus_probe_device+0x1e4/0x290 [ 224.398294][ T1551] device_add+0xbdb/0x1db0 [ 224.402853][ T1551] ? wait_for_completion_io+0x270/0x270 [ 224.408428][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 224.414695][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 224.420798][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 224.426631][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 224.433009][ T1551] usb_set_configuration+0x113f/0x1910 [ 224.439231][ T1551] usb_generic_driver_probe+0xba/0x100 [ 224.444718][ T1551] usb_probe_device+0xd9/0x2c0 [ 224.449802][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 224.455990][ T1551] really_probe+0x291/0xe60 [ 224.460517][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 224.467033][ T1551] driver_probe_device+0x26b/0x3d0 [ 224.472167][ T1551] __device_attach_driver+0x1d1/0x290 [ 224.477573][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 224.483653][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 224.489051][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 224.494174][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 224.500194][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 224.505233][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 224.511070][ T1551] __device_attach+0x228/0x4a0 [ 224.515949][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 224.522125][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 224.527458][ T1551] bus_probe_device+0x1e4/0x290 [ 224.532327][ T1551] device_add+0xbdb/0x1db0 [ 224.536776][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 224.543050][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 224.553573][ T1551] usb_new_device.cold+0x721/0x1058 [ 224.558794][ T1551] ? hub_disconnect+0x510/0x510 [ 224.563663][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 224.568637][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 224.575161][ T1551] hub_event+0x2357/0x4320 [ 224.579790][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 224.584922][ T1551] ? zap_class+0x5b1/0x9a0 [ 224.589361][ T1551] ? process_one_work+0x521/0x1580 [ 224.595210][ T1551] ? lock_release+0x6d0/0x6d0 [ 224.599917][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 224.605715][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 224.611205][ T1551] ? lock_is_held_type+0x98/0x110 [ 224.616258][ T1551] process_one_work+0x98d/0x1580 [ 224.621218][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 224.626699][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 224.631658][ T1551] worker_thread+0x82b/0x1120 [ 224.636354][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 224.641402][ T1551] ? process_one_work+0x1580/0x1580 [ 224.646644][ T1551] kthread+0x38c/0x460 [ 224.650732][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 224.656061][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 224.661196][ T1551] ret_from_fork+0x1f/0x30 [ 224.673080][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' executing program [ 224.677217][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 224.680639][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 224.689779][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 224.698790][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.698815][ T4407] Workqueue: usb_hub_wq hub_event [ 224.698847][ T4407] Call Trace: executing program [ 224.698857][ T4407] dump_stack+0xfa/0x151 [ 224.731258][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 224.736498][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 224.741981][ T4407] sysfs_create_link+0x5f/0xc0 [ 224.746775][ T4407] device_add+0x789/0x1db0 [ 224.751244][ T4407] ? memset+0x20/0x40 [ 224.752237][ T4399] usb 6-1: config 0 descriptor?? [ 224.755247][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 224.755282][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 224.772035][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 224.777395][ T4407] tty_register_device_attr+0x395/0x7b0 [ 224.782988][ T4407] ? send_break.part.0+0x300/0x300 [ 224.788137][ T4407] ? mark_held_locks+0x9f/0xe0 [ 224.792961][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 224.798873][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 224.804718][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 224.810796][ T4407] hso_serial_common_create+0x124/0x8b0 [ 224.816529][ T4407] ? kasan_unpoison+0x3a/0x60 [ 224.821218][ T4407] hso_probe+0xef9/0x1f70 [ 224.825580][ T4407] usb_probe_interface+0x315/0x7f0 [ 224.830737][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 224.836849][ T4407] really_probe+0x291/0xe60 [ 224.841505][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 224.847896][ T4407] driver_probe_device+0x26b/0x3d0 [ 224.853051][ T4407] __device_attach_driver+0x1d1/0x290 [ 224.858456][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 224.864477][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 224.869375][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 224.874569][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 224.880580][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 224.885650][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 224.891918][ T4407] __device_attach+0x228/0x4a0 [ 224.896721][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 224.902811][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 224.908122][ T4407] bus_probe_device+0x1e4/0x290 [ 224.913013][ T4407] device_add+0xbdb/0x1db0 [ 224.917536][ T4407] ? wait_for_completion_io+0x270/0x270 [ 224.923274][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 224.929539][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 224.935558][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 224.941399][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 224.947666][ T4407] usb_set_configuration+0x113f/0x1910 [ 224.953163][ T4407] usb_generic_driver_probe+0xba/0x100 [ 224.958674][ T4407] usb_probe_device+0xd9/0x2c0 [ 224.963458][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 224.969573][ T4407] really_probe+0x291/0xe60 [ 224.974103][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 224.980358][ T4407] driver_probe_device+0x26b/0x3d0 [ 224.985489][ T4407] __device_attach_driver+0x1d1/0x290 [ 224.990875][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 224.996872][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 225.001748][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 225.006783][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 225.012955][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 225.017996][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 225.023836][ T4407] __device_attach+0x228/0x4a0 [ 225.028634][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 225.034834][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 225.040150][ T4407] bus_probe_device+0x1e4/0x290 [ 225.045305][ T4407] device_add+0xbdb/0x1db0 [ 225.049766][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 225.056247][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 225.062603][ T4407] usb_new_device.cold+0x721/0x1058 [ 225.067923][ T4407] ? hub_disconnect+0x510/0x510 [ 225.072935][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 225.077915][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 225.084264][ T4407] hub_event+0x2357/0x4320 [ 225.088712][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 225.094479][ T4407] ? zap_class+0x5b0/0x9a0 [ 225.098920][ T4407] ? process_one_work+0x521/0x1580 [ 225.104055][ T4407] ? lock_release+0x6d0/0x6d0 [ 225.108750][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 225.113618][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 225.118750][ T4407] ? lock_is_held_type+0x98/0x110 [ 225.123798][ T4407] process_one_work+0x98d/0x1580 [ 225.128755][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 225.134253][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 225.139223][ T4407] worker_thread+0x64c/0x1120 [ 225.143934][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 225.148981][ T4407] ? process_one_work+0x1580/0x1580 [ 225.154379][ T4407] kthread+0x38c/0x460 [ 225.158459][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 225.163684][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 225.168837][ T4407] ret_from_fork+0x1f/0x30 [ 225.174050][ T4401] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 225.181601][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 225.189692][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.199770][ T4401] Workqueue: usb_hub_wq hub_event [ 225.204840][ T4401] Call Trace: [ 225.208141][ T4401] dump_stack+0xfa/0x151 [ 225.212415][ T4401] sysfs_warn_dup.cold+0x1c/0x29 [ 225.217387][ T4401] sysfs_do_create_link_sd+0x11e/0x140 [ 225.222938][ T4401] sysfs_create_link+0x5f/0xc0 [ 225.227728][ T4401] device_add+0x789/0x1db0 executing program [ 225.232274][ T4401] ? memset+0x20/0x40 [ 225.236312][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 225.241799][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 225.248066][ T4401] ? __init_waitqueue_head+0x6b/0xd0 [ 225.253380][ T4401] tty_register_device_attr+0x395/0x7b0 [ 225.259167][ T4401] ? send_break.part.0+0x300/0x300 [ 225.264418][ T4401] ? mark_held_locks+0x9f/0xe0 [ 225.269300][ T4401] ? lockdep_init_map_type+0x2c3/0x780 [ 225.275605][ T4401] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 225.281358][ T4401] ? tty_port_register_device_attr+0xbc/0x110 [ 225.287459][ T4401] hso_serial_common_create+0x124/0x8b0 [ 225.293036][ T4401] ? kasan_unpoison+0x3a/0x60 [ 225.297761][ T4401] hso_probe+0xef9/0x1f70 [ 225.302117][ T4401] usb_probe_interface+0x315/0x7f0 [ 225.307342][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 225.313188][ T4401] really_probe+0x291/0xe60 [ 225.317738][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 225.324171][ T4401] driver_probe_device+0x26b/0x3d0 [ 225.329294][ T4401] __device_attach_driver+0x1d1/0x290 [ 225.335174][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 225.341801][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 225.347183][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 225.352958][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 225.360610][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 225.365760][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 225.371569][ T4401] __device_attach+0x228/0x4a0 [ 225.376612][ T4401] ? __driver_attach_async_helper+0x330/0x330 executing program [ 225.382794][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 225.389042][ T4401] bus_probe_device+0x1e4/0x290 [ 225.393912][ T4401] device_add+0xbdb/0x1db0 [ 225.398374][ T4401] ? wait_for_completion_io+0x270/0x270 [ 225.403959][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 225.410228][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 225.416324][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 225.422162][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 225.428470][ T4401] usb_set_configuration+0x113f/0x1910 [ 225.434080][ T4401] usb_generic_driver_probe+0xba/0x100 [ 225.439631][ T4401] usb_probe_device+0xd9/0x2c0 [ 225.444692][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 225.450880][ T4401] really_probe+0x291/0xe60 [ 225.455396][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 225.461643][ T4401] driver_probe_device+0x26b/0x3d0 [ 225.466796][ T4401] __device_attach_driver+0x1d1/0x290 [ 225.472605][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 225.478694][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 225.483543][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 225.488580][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 225.494574][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 225.499709][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 225.505513][ T4401] __device_attach+0x228/0x4a0 [ 225.510331][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 225.516521][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 225.522209][ T4401] bus_probe_device+0x1e4/0x290 [ 225.527761][ T4401] device_add+0xbdb/0x1db0 [ 225.532197][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 225.538500][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 225.545002][ T4401] usb_new_device.cold+0x721/0x1058 [ 225.550305][ T4401] ? hub_disconnect+0x510/0x510 [ 225.556748][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 225.563000][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 225.569234][ T4401] hub_event+0x2357/0x4320 [ 225.573744][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 225.578865][ T4401] ? zap_class+0x5b0/0x9a0 [ 225.583444][ T4401] ? process_one_work+0x521/0x1580 [ 225.588597][ T4401] ? lock_release+0x6d0/0x6d0 [ 225.593401][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 225.598579][ T4401] ? lock_is_held_type+0x98/0x110 [ 225.603803][ T4401] process_one_work+0x98d/0x1580 [ 225.608770][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 225.614147][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 225.619084][ T4401] worker_thread+0x64c/0x1120 [ 225.623765][ T4401] ? process_one_work+0x1580/0x1580 [ 225.628989][ T4401] kthread+0x38c/0x460 [ 225.633385][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 225.638597][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 225.644612][ T4401] ret_from_fork+0x1f/0x30 [ 225.649341][ T5007] usb 2-1: new high-speed USB device number 93 using dummy_hcd [ 225.657532][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 225.666716][ T32] usb 1-1: USB disconnect, device number 94 [ 225.679941][ T4401] usb 5-1: USB disconnect, device number 91 [ 225.694485][ T1551] usb 3-1: USB disconnect, device number 91 [ 225.718428][ T4407] usb 4-1: USB disconnect, device number 91 [ 225.868461][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 225.907281][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 226.017114][ T32] usb 1-1: new high-speed USB device number 95 using dummy_hcd [ 226.027185][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 226.036301][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 226.044741][ T4401] usb 5-1: new high-speed USB device number 92 using dummy_hcd [ 226.057297][ T1551] usb 3-1: new high-speed USB device number 92 using dummy_hcd executing program [ 226.065134][ T5007] usb 2-1: config 0 descriptor?? [ 226.074479][ T4399] usb 6-1: USB disconnect, device number 91 [ 226.087679][ T4407] usb 4-1: new high-speed USB device number 92 using dummy_hcd [ 226.257712][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 226.287090][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 226.297415][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 226.327776][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 226.344418][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 226.387613][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 226.397119][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 226.408894][ T32] usb 1-1: config 0 descriptor?? [ 226.427662][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 226.437635][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 226.445802][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 226.455221][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 226.468932][ T1551] usb 3-1: config 0 descriptor?? [ 226.474283][ T4401] usb 5-1: config 0 descriptor?? executing program [ 226.497714][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 226.507072][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 226.526647][ T4407] usb 4-1: config 0 descriptor?? [ 226.537286][ T4399] usb 6-1: new high-speed USB device number 92 using dummy_hcd [ 226.551146][ T5007] usb 2-1: USB disconnect, device number 93 [ 226.678861][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 226.738061][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 226.745813][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 226.753898][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.764666][ T1551] Workqueue: usb_hub_wq hub_event [ 226.769903][ T1551] Call Trace: [ 226.773195][ T1551] dump_stack+0xfa/0x151 [ 226.777563][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 226.783218][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 226.788841][ T1551] sysfs_create_link+0x5f/0xc0 [ 226.793795][ T1551] device_add+0x789/0x1db0 [ 226.798746][ T1551] ? memset+0x20/0x40 [ 226.803111][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 226.808967][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 226.815326][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 226.820658][ T1551] tty_register_device_attr+0x395/0x7b0 [ 226.826216][ T1551] ? send_break.part.0+0x300/0x300 [ 226.831536][ T1551] ? mark_held_locks+0x9f/0xe0 [ 226.836300][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 226.841777][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 226.847675][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 226.854197][ T1551] hso_serial_common_create+0x124/0x8b0 [ 226.859753][ T1551] ? kasan_unpoison+0x3a/0x60 [ 226.864528][ T1551] hso_probe+0xef9/0x1f70 [ 226.868893][ T1551] usb_probe_interface+0x315/0x7f0 [ 226.874244][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 226.879406][ T2633] usb 1-1: USB disconnect, device number 95 executing program [ 226.879621][ T1551] really_probe+0x291/0xe60 [ 226.890630][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 226.896899][ T1551] driver_probe_device+0x26b/0x3d0 [ 226.902045][ T1551] __device_attach_driver+0x1d1/0x290 [ 226.907466][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 226.913477][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 226.918400][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 226.923588][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 226.929958][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 executing program [ 226.935007][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 226.940868][ T1551] __device_attach+0x228/0x4a0 [ 226.945664][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 226.951764][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 226.957495][ T1551] bus_probe_device+0x1e4/0x290 [ 226.962391][ T1551] device_add+0xbdb/0x1db0 [ 226.966849][ T1551] ? wait_for_completion_io+0x270/0x270 [ 226.972506][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 226.978779][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 226.984791][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 226.990629][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 226.997074][ T1551] usb_set_configuration+0x113f/0x1910 [ 227.002674][ T1551] usb_generic_driver_probe+0xba/0x100 [ 227.008181][ T1551] usb_probe_device+0xd9/0x2c0 [ 227.012977][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 227.019335][ T1551] really_probe+0x291/0xe60 [ 227.024139][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 227.030508][ T1551] driver_probe_device+0x26b/0x3d0 [ 227.035648][ T1551] __device_attach_driver+0x1d1/0x290 [ 227.042854][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 227.049009][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 227.053866][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 227.058895][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 227.065096][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 227.070124][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 227.075948][ T1551] __device_attach+0x228/0x4a0 [ 227.080978][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 227.087283][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 227.092756][ T1551] bus_probe_device+0x1e4/0x290 [ 227.097617][ T1551] device_add+0xbdb/0x1db0 [ 227.102090][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 227.108372][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 227.114714][ T1551] usb_new_device.cold+0x721/0x1058 [ 227.119940][ T1551] ? hub_disconnect+0x510/0x510 [ 227.125167][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 227.131900][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 227.137900][ T1551] hub_event+0x2357/0x4320 [ 227.142340][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 227.147655][ T1551] ? zap_class+0x5b1/0x9a0 [ 227.152078][ T1551] ? process_one_work+0x521/0x1580 [ 227.157193][ T1551] ? lock_release+0x6d0/0x6d0 [ 227.161900][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 227.166759][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 227.171812][ T1551] ? lock_is_held_type+0x98/0x110 [ 227.176952][ T1551] process_one_work+0x98d/0x1580 [ 227.182029][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 227.187472][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 227.192500][ T1551] worker_thread+0x82b/0x1120 [ 227.198865][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 227.204064][ T1551] ? process_one_work+0x1580/0x1580 [ 227.209356][ T1551] kthread+0x38c/0x460 [ 227.213463][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 227.218679][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 227.223803][ T1551] ret_from_fork+0x1f/0x30 [ 227.231004][ T4401] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 227.240831][ T4401] usb 5-1: USB disconnect, device number 92 [ 227.249067][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 227.268173][ T1551] usb 3-1: USB disconnect, device number 92 [ 227.297756][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 227.377344][ T5007] usb 2-1: new high-speed USB device number 94 using dummy_hcd executing program [ 227.447150][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 227.452529][ T4407] usb 4-1: USB disconnect, device number 92 [ 227.456525][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 227.477567][ T4399] usb 6-1: config 0 descriptor?? [ 227.617084][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 227.627766][ T2633] usb 1-1: new high-speed USB device number 96 using dummy_hcd [ 227.628718][ T4401] usb 5-1: new high-speed USB device number 93 using dummy_hcd [ 227.643365][ T1551] usb 3-1: new high-speed USB device number 93 using dummy_hcd [ 227.737254][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 227.746891][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 227.748241][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 227.779096][ T5007] usb 2-1: config 0 descriptor?? [ 227.847159][ T4407] usb 4-1: new high-speed USB device number 93 using dummy_hcd [ 227.887235][ T4401] usb 5-1: Using ep0 maxpacket: 8 [ 227.893284][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 227.907085][ T2633] usb 1-1: Using ep0 maxpacket: 8 executing program [ 227.949910][ T4399] usb 6-1: USB disconnect, device number 92 [ 228.007393][ T4401] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 228.017078][ T4401] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 228.025784][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 228.035848][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 228.045806][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 228.053712][ T4401] usb 5-1: config 0 descriptor?? [ 228.060294][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 228.064133][ T1551] usb 3-1: config 0 descriptor?? [ 228.070791][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 228.090888][ T2633] usb 1-1: config 0 descriptor?? [ 228.107089][ T4407] usb 4-1: Using ep0 maxpacket: 8 executing program [ 228.227658][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 228.237139][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 228.247314][ T4742] usb 2-1: USB disconnect, device number 94 [ 228.260449][ T4407] usb 4-1: config 0 descriptor?? [ 228.327126][ T4399] usb 6-1: new high-speed USB device number 93 using dummy_hcd [ 228.358482][ T4401] hso 5-1:0.0: Failed to find BULK IN ep [ 228.373788][ T2633] hso 1-1:0.0: Failed to find BULK IN ep [ 228.409494][ T1551] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 228.528245][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 228.560692][ T4407] usb 5-1: USB disconnect, device number 93 executing program executing program [ 228.577649][ T2633] usb 1-1: USB disconnect, device number 96 [ 228.587101][ T4399] usb 6-1: Using ep0 maxpacket: 8 [ 228.612071][ T1551] usb 3-1: USB disconnect, device number 93 [ 228.677390][ T4742] usb 2-1: new high-speed USB device number 95 using dummy_hcd [ 228.707425][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 228.718231][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 228.730636][ T4399] usb 6-1: config 0 descriptor?? [ 228.731216][ T4401] usb 4-1: USB disconnect, device number 93 [ 228.917100][ T4407] usb 5-1: new high-speed USB device number 94 using dummy_hcd [ 228.928545][ T4742] usb 2-1: Using ep0 maxpacket: 8 [ 228.988159][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 229.000792][ T2633] usb 1-1: new high-speed USB device number 97 using dummy_hcd [ 229.037222][ T1551] usb 3-1: new high-speed USB device number 94 using dummy_hcd [ 229.087225][ T4742] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 229.096726][ T4742] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 229.107201][ T4401] usb 4-1: new high-speed USB device number 94 using dummy_hcd [ 229.110651][ T4742] usb 2-1: config 0 descriptor?? [ 229.157398][ T4407] usb 5-1: Using ep0 maxpacket: 8 executing program [ 229.190627][ T4399] usb 6-1: USB disconnect, device number 93 [ 229.277088][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 229.277157][ T1551] usb 3-1: Using ep0 maxpacket: 8 [ 229.287942][ T4407] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 229.297182][ T4407] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 229.309277][ T4407] usb 5-1: config 0 descriptor?? [ 229.357323][ T4401] usb 4-1: Using ep0 maxpacket: 8 [ 229.388194][ T4742] hso 2-1:0.0: Failed to find BULK IN ep [ 229.417473][ T1551] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 229.426949][ T1551] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 229.438496][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 229.442110][ T1551] usb 3-1: config 0 descriptor?? [ 229.448293][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 229.468734][ T2633] usb 1-1: config 0 descriptor?? [ 229.477576][ T4401] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 229.487173][ T4401] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 229.511832][ T4401] usb 4-1: config 0 descriptor?? executing program [ 229.567248][ T4399] usb 6-1: new high-speed USB device number 94 using dummy_hcd [ 229.569202][ T4407] hso 5-1:0.0: Failed to find BULK IN ep [ 229.606482][ T4407] usb 2-1: USB disconnect, device number 95 [ 229.717927][ T1551] hso 3-1:0.0: Failed to find BULK IN ep [ 229.758122][ T2633] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 229.770064][ T2633] usb 5-1: USB disconnect, device number 94 [ 229.789148][ T4401] hso 4-1:0.0: Failed to find BULK IN ep [ 229.817550][ T4399] usb 6-1: Using ep0 maxpacket: 8 executing program [ 229.919240][ T4401] usb 3-1: USB disconnect, device number 94 executing program executing program [ 229.963163][ T4742] usb 1-1: USB disconnect, device number 97 [ 229.969517][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 229.977416][ T4407] usb 2-1: new high-speed USB device number 96 using dummy_hcd [ 229.978803][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 229.999499][ T1551] usb 4-1: USB disconnect, device number 94 [ 230.006220][ T4399] usb 6-1: config 0 descriptor?? [ 230.147106][ T2633] usb 5-1: new high-speed USB device number 95 using dummy_hcd [ 230.227179][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 230.287988][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 230.347370][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 230.356855][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 230.365583][ T4401] usb 3-1: new high-speed USB device number 95 using dummy_hcd [ 230.377320][ T4742] usb 1-1: new high-speed USB device number 98 using dummy_hcd [ 230.380146][ T1551] usb 4-1: new high-speed USB device number 95 using dummy_hcd [ 230.394999][ T4407] usb 2-1: config 0 descriptor?? [ 230.407254][ T2633] usb 5-1: Using ep0 maxpacket: 8 executing program [ 230.489541][ T5007] usb 6-1: USB disconnect, device number 94 [ 230.527424][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 230.536702][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 230.547920][ T2633] usb 5-1: config 0 descriptor?? [ 230.607199][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 230.637338][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 230.657304][ T4742] usb 1-1: Using ep0 maxpacket: 8 [ 230.659131][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 230.727207][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 230.736520][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 230.747871][ T4401] usb 3-1: config 0 descriptor?? [ 230.757373][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 230.766638][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 230.777975][ T1551] usb 4-1: config 0 descriptor?? [ 230.798073][ T4742] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 230.809074][ T4742] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 230.819503][ T2633] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 230.840706][ T4742] usb 1-1: config 0 descriptor?? [ 230.847183][ T5007] usb 6-1: new high-speed USB device number 95 using dummy_hcd [ 230.867785][ T4407] usb 2-1: USB disconnect, device number 96 executing program [ 230.999294][ T2633] usb 5-1: USB disconnect, device number 95 [ 231.012210][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 231.038718][ T1551] hso 4-1:0.0: Failed to find BULK IN ep [ 231.097582][ T5007] usb 6-1: Using ep0 maxpacket: 8 [ 231.121282][ T4742] hso 1-1:0.0: Failed to find BULK IN ep executing program executing program [ 231.209026][ T4742] usb 3-1: USB disconnect, device number 95 [ 231.217178][ T5007] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 231.226259][ T5007] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 231.237385][ T4407] usb 2-1: new high-speed USB device number 97 using dummy_hcd [ 231.265100][ T5007] usb 6-1: config 0 descriptor?? [ 231.279871][ T1551] usb 4-1: USB disconnect, device number 95 executing program [ 231.321327][ T4401] usb 1-1: USB disconnect, device number 98 [ 231.378517][ T2633] usb 5-1: new high-speed USB device number 96 using dummy_hcd [ 231.487102][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 231.538135][ T5007] hso 6-1:0.0: Failed to find BULK IN ep [ 231.597342][ T4742] usb 3-1: new high-speed USB device number 96 using dummy_hcd [ 231.607349][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 231.616472][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 231.629786][ T4407] usb 2-1: config 0 descriptor?? [ 231.637145][ T1551] usb 4-1: new high-speed USB device number 96 using dummy_hcd [ 231.657116][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 231.687146][ T4401] usb 1-1: new high-speed USB device number 99 using dummy_hcd executing program [ 231.738984][ T5007] usb 6-1: USB disconnect, device number 95 [ 231.807280][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 231.816425][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 231.830032][ T2633] usb 5-1: config 0 descriptor?? [ 231.867277][ T4742] usb 3-1: Using ep0 maxpacket: 8 [ 231.877157][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 231.888582][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 231.929130][ T4401] usb 1-1: Using ep0 maxpacket: 8 [ 231.997205][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 232.006338][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 232.017921][ T1551] usb 4-1: config 0 descriptor?? [ 232.020178][ T4742] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 232.032527][ T4742] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 232.046463][ T4742] usb 3-1: config 0 descriptor?? [ 232.047440][ T4401] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 232.060701][ T4401] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 232.078529][ T2633] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 232.097244][ T5007] usb 6-1: new high-speed USB device number 96 using dummy_hcd [ 232.105824][ T4407] usb 2-1: USB disconnect, device number 97 [ 232.120983][ T4401] usb 1-1: config 0 descriptor?? executing program [ 232.267958][ T1551] hso 4-1:0.0: Failed to find BULK IN ep [ 232.283200][ T2633] usb 5-1: USB disconnect, device number 96 [ 232.318532][ T4742] hso 3-1:0.0: Failed to find BULK IN ep [ 232.337460][ T5007] usb 6-1: Using ep0 maxpacket: 8 [ 232.401102][ T4401] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 232.457283][ T5007] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 232.466419][ T5007] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 232.469506][ T4742] usb 4-1: USB disconnect, device number 96 [ 232.487233][ T4407] usb 2-1: new high-speed USB device number 98 using dummy_hcd [ 232.498369][ T5007] usb 6-1: config 0 descriptor?? executing program [ 232.521050][ T4399] usb 3-1: USB disconnect, device number 96 executing program [ 232.599194][ T4755] usb 1-1: USB disconnect, device number 99 [ 232.667301][ T2633] usb 5-1: new high-speed USB device number 97 using dummy_hcd [ 232.727099][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 232.758036][ T5007] hso 6-1:0.0: Failed to find BULK IN ep [ 232.847245][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 232.856606][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 232.869717][ T4407] usb 2-1: config 0 descriptor?? [ 232.917422][ T4399] usb 3-1: new high-speed USB device number 97 using dummy_hcd [ 232.925185][ T4742] usb 4-1: new high-speed USB device number 97 using dummy_hcd [ 232.933094][ T2633] usb 5-1: Using ep0 maxpacket: 8 executing program [ 232.958988][ T4628] usb 6-1: USB disconnect, device number 96 [ 233.047177][ T4755] usb 1-1: new high-speed USB device number 100 using dummy_hcd [ 233.107282][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 233.116516][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 233.127499][ T2633] usb 5-1: config 0 descriptor?? [ 233.128134][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 233.197224][ T4399] usb 3-1: Using ep0 maxpacket: 8 [ 233.202952][ T4742] usb 4-1: Using ep0 maxpacket: 8 executing program [ 233.329534][ T4407] usb 2-1: USB disconnect, device number 98 [ 233.357385][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 233.362660][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 233.371999][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 233.380125][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 233.389506][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 233.399539][ T4628] usb 6-1: new high-speed USB device number 97 using dummy_hcd [ 233.408155][ T2633] hso 5-1:0.0: Failed to find BULK IN ep [ 233.426498][ T4399] usb 3-1: config 0 descriptor?? [ 233.432921][ T4742] usb 4-1: config 0 descriptor?? [ 233.557297][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 233.566694][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 233.580253][ T4755] usb 1-1: config 0 descriptor?? executing program [ 233.609234][ T2633] usb 5-1: USB disconnect, device number 97 [ 233.677122][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 233.708209][ T4399] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 233.715794][ T4399] CPU: 0 PID: 4399 Comm: kworker/0:3 Not tainted 5.11.0-syzkaller #0 [ 233.723877][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.734278][ T4399] Workqueue: usb_hub_wq hub_event [ 233.737106][ T4407] usb 2-1: new high-speed USB device number 99 using dummy_hcd [ 233.740454][ T4399] Call Trace: [ 233.740471][ T4399] dump_stack+0xfa/0x151 [ 233.740501][ T4399] sysfs_warn_dup.cold+0x1c/0x29 [ 233.740529][ T4399] sysfs_do_create_link_sd+0x11e/0x140 [ 233.767604][ T4399] sysfs_create_link+0x5f/0xc0 [ 233.772480][ T4399] device_add+0x789/0x1db0 [ 233.776925][ T4399] ? memset+0x20/0x40 [ 233.780951][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 233.786441][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 233.792905][ T4399] ? __init_waitqueue_head+0x6b/0xd0 [ 233.798193][ T4399] tty_register_device_attr+0x395/0x7b0 [ 233.803738][ T4399] ? send_break.part.0+0x300/0x300 [ 233.808879][ T4399] ? mark_held_locks+0x9f/0xe0 [ 233.813649][ T4399] ? lockdep_init_map_type+0x2c3/0x780 [ 233.819103][ T4399] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 233.824816][ T4399] ? tty_port_register_device_attr+0xbc/0x110 [ 233.831040][ T4399] hso_serial_common_create+0x124/0x8b0 [ 233.836701][ T4399] ? kasan_unpoison+0x3a/0x60 [ 233.841387][ T4399] hso_probe+0xef9/0x1f70 [ 233.845790][ T4399] usb_probe_interface+0x315/0x7f0 [ 233.850902][ T4399] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 233.856302][ T4399] really_probe+0x291/0xe60 [ 233.860823][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 233.867095][ T4399] driver_probe_device+0x26b/0x3d0 [ 233.872441][ T4399] __device_attach_driver+0x1d1/0x290 executing program executing program [ 233.877957][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 233.884003][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 233.888957][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 233.894106][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 233.900115][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 233.905185][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 233.911004][ T4399] __device_attach+0x228/0x4a0 [ 233.915809][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 233.921906][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 233.927302][ T4399] bus_probe_device+0x1e4/0x290 [ 233.932191][ T4399] device_add+0xbdb/0x1db0 [ 233.936635][ T4399] ? wait_for_completion_io+0x270/0x270 [ 233.942209][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 233.948508][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 233.954647][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 233.960497][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 233.966788][ T4399] usb_set_configuration+0x113f/0x1910 [ 233.972398][ T4399] usb_generic_driver_probe+0xba/0x100 [ 233.978083][ T4399] usb_probe_device+0xd9/0x2c0 [ 233.982976][ T4399] ? usb_driver_release_interface+0x180/0x180 [ 233.987650][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 233.989245][ T4399] really_probe+0x291/0xe60 [ 233.989282][ T4399] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 233.989309][ T4399] driver_probe_device+0x26b/0x3d0 [ 233.989334][ T4399] __device_attach_driver+0x1d1/0x290 [ 234.016122][ T4399] ? driver_allows_async_probing+0x150/0x150 [ 234.022594][ T4399] bus_for_each_drv+0x15f/0x1e0 [ 234.027522][ T4399] ? bus_for_each_dev+0x1d0/0x1d0 [ 234.032582][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.038584][ T4399] ? trace_hardirqs_on+0x5b/0x1a0 [ 234.043909][ T4399] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 234.049746][ T4399] __device_attach+0x228/0x4a0 [ 234.054523][ T4399] ? __driver_attach_async_helper+0x330/0x330 [ 234.060607][ T4399] ? kobject_uevent_env+0x2bb/0x1680 [ 234.065898][ T4399] bus_probe_device+0x1e4/0x290 [ 234.071011][ T4399] device_add+0xbdb/0x1db0 [ 234.075432][ T4399] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 234.081802][ T4399] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 234.088600][ T4399] usb_new_device.cold+0x721/0x1058 [ 234.094097][ T4399] ? hub_disconnect+0x510/0x510 [ 234.098953][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 234.103898][ T4399] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.107175][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 234.109966][ T4399] hub_event+0x2357/0x4320 [ 234.110003][ T4399] ? hub_port_debounce+0x3c0/0x3c0 [ 234.110032][ T4399] ? zap_class+0x5b0/0x9a0 [ 234.110055][ T4399] ? process_one_work+0x521/0x1580 [ 234.119766][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 234.124139][ T4399] ? lock_release+0x6d0/0x6d0 [ 234.144766][ T4407] usb 2-1: config 0 descriptor?? [ 234.146802][ T4399] ? lock_downgrade+0x6d0/0x6d0 [ 234.146838][ T4399] ? lock_is_held_type+0x98/0x110 [ 234.146868][ T4399] process_one_work+0x98d/0x1580 [ 234.171414][ T4399] ? pwq_dec_nr_in_flight+0x320/0x320 [ 234.177004][ T4399] ? rwlock_bug.part.0+0x90/0x90 [ 234.182059][ T4399] worker_thread+0x64c/0x1120 [ 234.186764][ T4399] ? __kthread_parkme+0x118/0x1d0 [ 234.191901][ T4399] ? process_one_work+0x1580/0x1580 [ 234.197154][ T4399] kthread+0x38c/0x460 [ 234.201334][ T4399] ? _raw_spin_unlock_irq+0x1f/0x30 [ 234.206555][ T4399] ? __kthread_bind_mask+0xc0/0xc0 [ 234.211690][ T4399] ret_from_fork+0x1f/0x30 [ 234.217490][ T4755] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 234.224999][ T4755] CPU: 0 PID: 4755 Comm: kworker/0:6 Not tainted 5.11.0-syzkaller #0 [ 234.233069][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.243410][ T4755] Workqueue: usb_hub_wq hub_event [ 234.248442][ T4755] Call Trace: [ 234.251823][ T4755] dump_stack+0xfa/0x151 [ 234.256089][ T4755] sysfs_warn_dup.cold+0x1c/0x29 [ 234.261030][ T4755] sysfs_do_create_link_sd+0x11e/0x140 [ 234.266507][ T4755] sysfs_create_link+0x5f/0xc0 [ 234.271479][ T4755] device_add+0x789/0x1db0 [ 234.275906][ T4755] ? memset+0x20/0x40 [ 234.279897][ T4755] ? lockdep_init_map_type+0x2c3/0x780 [ 234.285704][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 234.291968][ T4755] ? __init_waitqueue_head+0x6b/0xd0 [ 234.297483][ T4755] tty_register_device_attr+0x395/0x7b0 [ 234.303240][ T4755] ? send_break.part.0+0x300/0x300 [ 234.308370][ T4755] ? mark_held_locks+0x9f/0xe0 [ 234.314395][ T4755] ? lockdep_init_map_type+0x2c3/0x780 [ 234.319866][ T4755] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 234.325793][ T4755] ? tty_port_register_device_attr+0xbc/0x110 [ 234.332054][ T4755] hso_serial_common_create+0x124/0x8b0 [ 234.337740][ T4755] ? kasan_unpoison+0x3a/0x60 [ 234.342592][ T4755] hso_probe+0xef9/0x1f70 [ 234.346918][ T4755] usb_probe_interface+0x315/0x7f0 [ 234.352067][ T4755] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 234.357462][ T4755] really_probe+0x291/0xe60 [ 234.362049][ T4755] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 234.369889][ T4755] driver_probe_device+0x26b/0x3d0 [ 234.375008][ T4755] __device_attach_driver+0x1d1/0x290 [ 234.380904][ T4755] ? driver_allows_async_probing+0x150/0x150 [ 234.387043][ T4755] bus_for_each_drv+0x15f/0x1e0 [ 234.391939][ T4755] ? bus_for_each_dev+0x1d0/0x1d0 [ 234.396975][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.402984][ T4755] ? trace_hardirqs_on+0x5b/0x1a0 [ 234.407561][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 234.408019][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 234.408056][ T4755] __device_attach+0x228/0x4a0 [ 234.427868][ T4755] ? __driver_attach_async_helper+0x330/0x330 [ 234.433966][ T4755] ? kobject_uevent_env+0x2bb/0x1680 [ 234.439271][ T4755] bus_probe_device+0x1e4/0x290 [ 234.444142][ T4755] device_add+0xbdb/0x1db0 [ 234.448581][ T4755] ? wait_for_completion_io+0x270/0x270 [ 234.454161][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 234.460420][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.466845][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 234.472988][ T4755] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 234.479350][ T4755] usb_set_configuration+0x113f/0x1910 [ 234.484837][ T4755] usb_generic_driver_probe+0xba/0x100 [ 234.490513][ T4755] usb_probe_device+0xd9/0x2c0 [ 234.495479][ T4755] ? usb_driver_release_interface+0x180/0x180 [ 234.501568][ T4755] really_probe+0x291/0xe60 [ 234.506093][ T4755] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 234.512365][ T4755] driver_probe_device+0x26b/0x3d0 [ 234.517496][ T4755] __device_attach_driver+0x1d1/0x290 [ 234.523582][ T4755] ? driver_allows_async_probing+0x150/0x150 [ 234.529685][ T4755] bus_for_each_drv+0x15f/0x1e0 [ 234.534571][ T4755] ? bus_for_each_dev+0x1d0/0x1d0 [ 234.539623][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.545634][ T4755] ? trace_hardirqs_on+0x5b/0x1a0 [ 234.550681][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 234.556598][ T4755] __device_attach+0x228/0x4a0 [ 234.561556][ T4755] ? __driver_attach_async_helper+0x330/0x330 [ 234.570958][ T4755] ? kobject_uevent_env+0x2bb/0x1680 [ 234.576285][ T4755] bus_probe_device+0x1e4/0x290 [ 234.581169][ T4755] device_add+0xbdb/0x1db0 [ 234.585628][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 234.591997][ T4755] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 234.599042][ T4755] usb_new_device.cold+0x721/0x1058 [ 234.604300][ T4755] ? hub_disconnect+0x510/0x510 [ 234.609199][ T4755] ? rwlock_bug.part.0+0x90/0x90 [ 234.614160][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.620179][ T4755] hub_event+0x2357/0x4320 [ 234.624625][ T4755] ? hub_port_debounce+0x3c0/0x3c0 [ 234.629763][ T4755] ? zap_class+0x5b0/0x9a0 [ 234.634289][ T4755] ? process_one_work+0x521/0x1580 [ 234.639516][ T4755] ? lock_release+0x6d0/0x6d0 [ 234.644222][ T4755] ? lock_downgrade+0x6d0/0x6d0 [ 234.649112][ T4755] ? do_raw_spin_lock+0x120/0x2b0 [ 234.654159][ T4755] ? lock_is_held_type+0x98/0x110 [ 234.659210][ T4755] process_one_work+0x98d/0x1580 [ 234.664186][ T4755] ? pwq_dec_nr_in_flight+0x320/0x320 [ 234.669599][ T4755] ? rwlock_bug.part.0+0x90/0x90 [ 234.674700][ T4755] worker_thread+0x64c/0x1120 [ 234.679473][ T4755] ? __kthread_parkme+0x118/0x1d0 [ 234.684629][ T4755] ? process_one_work+0x1580/0x1580 [ 234.689870][ T4755] kthread+0x38c/0x460 [ 234.693960][ T4755] ? _raw_spin_unlock_irq+0x1f/0x30 [ 234.699301][ T4755] ? __kthread_bind_mask+0xc0/0xc0 [ 234.704458][ T4755] ret_from_fork+0x1f/0x30 [ 234.708915][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 234.712356][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 234.717026][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.717047][ T4407] Workqueue: usb_hub_wq hub_event [ 234.717079][ T4407] Call Trace: [ 234.717088][ T4407] dump_stack+0xfa/0x151 [ 234.717113][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 234.750406][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 234.755981][ T4407] sysfs_create_link+0x5f/0xc0 [ 234.760773][ T4407] device_add+0x789/0x1db0 [ 234.765208][ T4407] ? memset+0x20/0x40 [ 234.769215][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 234.774690][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 234.780954][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 234.786260][ T4407] tty_register_device_attr+0x395/0x7b0 [ 234.791840][ T4407] ? send_break.part.0+0x300/0x300 [ 234.796976][ T4407] ? mark_held_locks+0x9f/0xe0 [ 234.802463][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 234.807943][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 234.813681][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 234.819768][ T4407] hso_serial_common_create+0x124/0x8b0 [ 234.825331][ T4407] ? kasan_unpoison+0x3a/0x60 [ 234.830038][ T4407] hso_probe+0xef9/0x1f70 [ 234.834409][ T4407] usb_probe_interface+0x315/0x7f0 [ 234.839535][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 234.845227][ T4407] really_probe+0x291/0xe60 [ 234.849747][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 234.856002][ T4407] driver_probe_device+0x26b/0x3d0 [ 234.861132][ T4407] __device_attach_driver+0x1d1/0x290 [ 234.866518][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 234.872508][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 234.877479][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 234.882612][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.893210][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 234.898263][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 234.904085][ T4407] __device_attach+0x228/0x4a0 [ 234.908864][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 234.914974][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 234.920279][ T4407] bus_probe_device+0x1e4/0x290 [ 234.925148][ T4407] device_add+0xbdb/0x1db0 [ 234.929681][ T4407] ? wait_for_completion_io+0x270/0x270 [ 234.935352][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 234.941632][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 234.947641][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 234.953928][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 234.960450][ T4407] usb_set_configuration+0x113f/0x1910 [ 234.965941][ T4407] usb_generic_driver_probe+0xba/0x100 [ 234.971436][ T4407] usb_probe_device+0xd9/0x2c0 [ 234.976310][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 234.982543][ T4407] really_probe+0x291/0xe60 [ 234.987251][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 234.994121][ T4407] driver_probe_device+0x26b/0x3d0 [ 234.999516][ T4407] __device_attach_driver+0x1d1/0x290 [ 235.004905][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 235.010901][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 235.015774][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 235.021013][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 235.027027][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 235.032267][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 235.038368][ T4407] __device_attach+0x228/0x4a0 [ 235.043164][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 235.049442][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 235.054754][ T4407] bus_probe_device+0x1e4/0x290 [ 235.059632][ T4407] device_add+0xbdb/0x1db0 [ 235.064062][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 235.070336][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 235.076602][ T4407] usb_new_device.cold+0x721/0x1058 [ 235.082872][ T4407] ? hub_disconnect+0x510/0x510 [ 235.087764][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 235.092808][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 235.098811][ T4407] hub_event+0x2357/0x4320 [ 235.103250][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 235.108555][ T4407] ? zap_class+0x5b0/0x9a0 [ 235.113345][ T4407] ? process_one_work+0x521/0x1580 [ 235.118500][ T4407] ? lock_release+0x6d0/0x6d0 [ 235.123207][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 235.128263][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 235.133317][ T4407] ? lock_is_held_type+0x98/0x110 [ 235.138383][ T4407] process_one_work+0x98d/0x1580 [ 235.143340][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 235.148731][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 235.153865][ T4407] worker_thread+0x64c/0x1120 [ 235.159343][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 235.164468][ T4407] ? process_one_work+0x1580/0x1580 [ 235.169679][ T4407] kthread+0x38c/0x460 [ 235.173759][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 235.178976][ T4407] ? __kthread_bind_mask+0xc0/0xc0 executing program [ 235.184109][ T4407] ret_from_fork+0x1f/0x30 [ 235.194690][ T4742] usb 4-1: USB disconnect, device number 97 [ 235.253705][ T4755] usb 1-1: USB disconnect, device number 100 [ 235.275771][ T4399] usb 3-1: USB disconnect, device number 97 [ 235.282129][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 235.291534][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 235.312956][ T4628] usb 6-1: config 0 descriptor?? [ 235.381628][ T4407] usb 2-1: USB disconnect, device number 99 [ 235.447279][ T2633] usb 5-1: new high-speed USB device number 98 using dummy_hcd [ 235.577554][ T4742] usb 4-1: new high-speed USB device number 98 using dummy_hcd [ 235.586369][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 235.677221][ T4399] usb 3-1: new high-speed USB device number 98 using dummy_hcd [ 235.717167][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 235.737114][ T4407] usb 2-1: new high-speed USB device number 100 using dummy_hcd [ 235.747261][ T4755] usb 1-1: new high-speed USB device number 101 using dummy_hcd executing program [ 235.779500][ T4628] usb 6-1: USB disconnect, device number 97 [ 235.867323][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 235.876836][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 235.886879][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 235.894797][ T2633] usb 5-1: config 0 descriptor?? [ 235.937450][ T4399] usb 3-1: Using ep0 maxpacket: 8 [ 235.977096][ T4407] usb 2-1: Using ep0 maxpacket: 8 [ 236.027314][ T4755] usb 1-1: Using ep0 maxpacket: 8 [ 236.057353][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 236.066591][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 236.078874][ T4742] usb 4-1: config 0 descriptor?? [ 236.097836][ T4407] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 236.107789][ T4407] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 236.117637][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 236.123505][ T4407] usb 2-1: config 0 descriptor?? [ 236.126830][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 236.145111][ T4399] usb 3-1: config 0 descriptor?? [ 236.158079][ T4628] usb 6-1: new high-speed USB device number 98 using dummy_hcd [ 236.166330][ T2633] hso 5-1:0.0: Failed to find BULK IN ep [ 236.177330][ T4755] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 236.186418][ T4755] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 236.235613][ T4755] usb 1-1: config 0 descriptor?? executing program [ 236.347929][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 236.364570][ T4742] usb 5-1: USB disconnect, device number 98 [ 236.388179][ T4407] hso 2-1:0.0: Failed to find BULK IN ep [ 236.407733][ T4628] usb 6-1: Using ep0 maxpacket: 8 [ 236.458568][ T4399] hso 3-1:0.0: Failed to find BULK IN ep [ 236.509028][ T4755] hso 1-1:0.0: Failed to find BULK IN ep [ 236.547286][ T4628] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a executing program executing program [ 236.549436][ T4407] usb 4-1: USB disconnect, device number 98 [ 236.556564][ T4628] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 236.579874][ T4628] usb 6-1: config 0 descriptor?? [ 236.601474][ T4755] usb 2-1: USB disconnect, device number 100 executing program [ 236.660920][ T4399] usb 3-1: USB disconnect, device number 98 executing program [ 236.709350][ T2633] usb 1-1: USB disconnect, device number 101 [ 236.788341][ T4742] usb 5-1: new high-speed USB device number 99 using dummy_hcd [ 236.848771][ T4628] hso 6-1:0.0: Failed to find BULK IN ep [ 236.947096][ T4407] usb 4-1: new high-speed USB device number 99 using dummy_hcd executing program [ 237.007176][ T4755] usb 2-1: new high-speed USB device number 101 using dummy_hcd [ 237.047161][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 237.053748][ T5007] usb 6-1: USB disconnect, device number 98 [ 237.117238][ T4399] usb 3-1: new high-speed USB device number 99 using dummy_hcd [ 237.167101][ T2633] usb 1-1: new high-speed USB device number 102 using dummy_hcd [ 237.177895][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 237.187108][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 237.192225][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 237.202037][ T4742] usb 5-1: config 0 descriptor?? [ 237.287271][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 237.307412][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 237.316526][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 237.327628][ T4407] usb 4-1: config 0 descriptor?? [ 237.357151][ T4399] usb 3-1: Using ep0 maxpacket: 8 [ 237.407449][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 237.417503][ T5007] usb 6-1: new high-speed USB device number 99 using dummy_hcd [ 237.437517][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 237.447480][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 237.465671][ T4755] usb 2-1: config 0 descriptor?? [ 237.472310][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 237.519430][ T4399] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 237.529299][ T4399] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 237.540882][ T4399] usb 3-1: config 0 descriptor?? [ 237.587336][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 237.588541][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 237.597570][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 237.614444][ T2633] usb 1-1: config 0 descriptor?? executing program [ 237.657434][ T5007] usb 6-1: Using ep0 maxpacket: 8 [ 237.673628][ T4742] usb 5-1: USB disconnect, device number 99 [ 237.748323][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 237.777453][ T5007] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 237.786631][ T5007] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 237.799001][ T5007] usb 6-1: config 0 descriptor?? [ 237.809422][ T4407] usb 4-1: USB disconnect, device number 99 [ 237.827640][ T4399] hso 3-1:0.0: Failed to find BULK IN ep [ 237.878189][ T2633] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 237.950629][ T4401] usb 2-1: USB disconnect, device number 101 executing program [ 238.023131][ T2633] usb 3-1: USB disconnect, device number 99 executing program [ 238.068828][ T5007] hso 6-1:0.0: Failed to find BULK IN ep [ 238.084644][ T5007] usb 1-1: USB disconnect, device number 102 [ 238.107366][ T4742] usb 5-1: new high-speed USB device number 100 using dummy_hcd [ 238.177732][ T4407] usb 4-1: new high-speed USB device number 100 using dummy_hcd executing program [ 238.268895][ T4399] usb 6-1: USB disconnect, device number 99 [ 238.317109][ T4401] usb 2-1: new high-speed USB device number 102 using dummy_hcd [ 238.407089][ T4742] usb 5-1: Using ep0 maxpacket: 8 [ 238.417081][ T4407] usb 4-1: Using ep0 maxpacket: 8 [ 238.447102][ T5007] usb 1-1: new high-speed USB device number 103 using dummy_hcd [ 238.457231][ T2633] usb 3-1: new high-speed USB device number 100 using dummy_hcd [ 238.537255][ T4407] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 238.546492][ T4407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 238.557587][ T4742] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 238.559012][ T4401] usb 2-1: Using ep0 maxpacket: 8 [ 238.566776][ T4742] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 238.575427][ T4407] usb 4-1: config 0 descriptor?? [ 238.587500][ T4742] usb 5-1: config 0 descriptor?? [ 238.687119][ T5007] usb 1-1: Using ep0 maxpacket: 8 [ 238.698104][ T4401] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 238.707361][ T4401] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 238.719764][ T4399] usb 6-1: new high-speed USB device number 100 using dummy_hcd [ 238.723765][ T4401] usb 2-1: config 0 descriptor?? [ 238.728751][ T2633] usb 3-1: Using ep0 maxpacket: 8 [ 238.807347][ T5007] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 238.816677][ T5007] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 238.827139][ T4407] hso 4-1:0.0: Failed to find BULK IN ep [ 238.844208][ T5007] usb 1-1: config 0 descriptor?? [ 238.859138][ T4742] hso 5-1:0.0: Failed to find BULK IN ep [ 238.907548][ T2633] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 238.916748][ T2633] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 238.945152][ T2633] usb 3-1: config 0 descriptor?? [ 238.988670][ T4401] hso 2-1:0.0: Failed to find BULK IN ep [ 239.008226][ T4399] usb 6-1: Using ep0 maxpacket: 8 executing program executing program [ 239.031747][ T4742] usb 4-1: USB disconnect, device number 100 [ 239.059665][ T4755] usb 5-1: USB disconnect, device number 100 [ 239.108211][ T5007] hso 1-1:0.0: Failed to find BULK IN ep [ 239.137815][ T4399] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 239.146962][ T4399] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 239.159254][ T4399] usb 6-1: config 0 descriptor?? [ 239.190964][ T5007] usb 2-1: USB disconnect, device number 102 [ 239.228734][ T2633] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 239.308901][ T2633] usb 1-1: USB disconnect, device number 103 executing program [ 239.428324][ T4399] hso 6-1:0.0: Failed to find BULK IN ep [ 239.434875][ T4401] usb 3-1: USB disconnect, device number 100 [ 239.447153][ T4755] usb 5-1: new high-speed USB device number 101 using dummy_hcd [ 239.467326][ T4742] usb 4-1: new high-speed USB device number 101 using dummy_hcd [ 239.557187][ T5007] usb 2-1: new high-speed USB device number 103 using dummy_hcd executing program [ 239.629234][ T4407] usb 6-1: USB disconnect, device number 100 [ 239.697210][ T4755] usb 5-1: Using ep0 maxpacket: 8 [ 239.727112][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 239.732708][ T2633] usb 1-1: new high-speed USB device number 104 using dummy_hcd [ 239.797123][ T5007] usb 2-1: Using ep0 maxpacket: 8 [ 239.847160][ T4401] usb 3-1: new high-speed USB device number 101 using dummy_hcd [ 239.857491][ T4755] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 239.867807][ T4755] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 239.882846][ T4755] usb 5-1: config 0 descriptor?? [ 239.917439][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 239.917502][ T5007] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 239.926535][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 239.935615][ T5007] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 239.941893][ T5007] usb 2-1: config 0 descriptor?? [ 239.958373][ T4742] usb 4-1: config 0 descriptor?? [ 239.997728][ T4407] usb 6-1: new high-speed USB device number 101 using dummy_hcd [ 240.007664][ T2633] usb 1-1: Using ep0 maxpacket: 8 [ 240.087131][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 240.137230][ T2633] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 240.147049][ T2633] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 240.160388][ T2633] usb 1-1: config 0 descriptor?? [ 240.168220][ T4755] hso 5-1:0.0: Failed to find BULK IN ep [ 240.207718][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 240.217058][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 240.235335][ T4401] usb 3-1: config 0 descriptor?? [ 240.248467][ T5007] hso 2-1:0.0: Failed to find BULK IN ep [ 240.253349][ T4742] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 240.257653][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 240.262458][ T4742] CPU: 0 PID: 4742 Comm: kworker/0:5 Not tainted 5.11.0-syzkaller #0 [ 240.275591][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.285798][ T4742] Workqueue: usb_hub_wq hub_event [ 240.290865][ T4742] Call Trace: [ 240.294163][ T4742] dump_stack+0xfa/0x151 [ 240.298427][ T4742] sysfs_warn_dup.cold+0x1c/0x29 [ 240.303396][ T4742] sysfs_do_create_link_sd+0x11e/0x140 [ 240.308885][ T4742] sysfs_create_link+0x5f/0xc0 [ 240.313669][ T4742] device_add+0x789/0x1db0 [ 240.318315][ T4742] ? memset+0x20/0x40 [ 240.322315][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 240.327796][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 240.334086][ T4742] ? __init_waitqueue_head+0x6b/0xd0 [ 240.339408][ T4742] tty_register_device_attr+0x395/0x7b0 [ 240.344998][ T4742] ? send_break.part.0+0x300/0x300 [ 240.350228][ T4742] ? mark_held_locks+0x9f/0xe0 [ 240.355105][ T4742] ? lockdep_init_map_type+0x2c3/0x780 [ 240.361059][ T4742] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 240.366817][ T4742] ? tty_port_register_device_attr+0xbc/0x110 [ 240.377778][ T4742] hso_serial_common_create+0x124/0x8b0 [ 240.383346][ T4742] ? kasan_unpoison+0x3a/0x60 [ 240.388281][ T4742] hso_probe+0xef9/0x1f70 [ 240.392609][ T4742] usb_probe_interface+0x315/0x7f0 [ 240.397718][ T4742] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 240.403097][ T4742] really_probe+0x291/0xe60 [ 240.407713][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 240.414298][ T4742] driver_probe_device+0x26b/0x3d0 [ 240.417215][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 240.419532][ T4742] __device_attach_driver+0x1d1/0x290 [ 240.419567][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 240.419594][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 240.419618][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 240.428708][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 240.434003][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 240.453243][ T4407] usb 6-1: config 0 descriptor?? [ 240.458054][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 240.458087][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 240.458117][ T4742] __device_attach+0x228/0x4a0 [ 240.458143][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 240.458169][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 240.458195][ T4742] bus_probe_device+0x1e4/0x290 [ 240.500109][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 240.501699][ T4742] device_add+0xbdb/0x1db0 [ 240.501732][ T4742] ? wait_for_completion_io+0x270/0x270 [ 240.501759][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 240.501784][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 240.529872][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 240.535992][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 240.542581][ T4742] usb_set_configuration+0x113f/0x1910 [ 240.548325][ T4742] usb_generic_driver_probe+0xba/0x100 [ 240.553827][ T4742] usb_probe_device+0xd9/0x2c0 [ 240.558624][ T4742] ? usb_driver_release_interface+0x180/0x180 [ 240.564831][ T4742] really_probe+0x291/0xe60 [ 240.569382][ T4742] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 240.577603][ T4742] driver_probe_device+0x26b/0x3d0 [ 240.583007][ T4742] __device_attach_driver+0x1d1/0x290 [ 240.588848][ T4742] ? driver_allows_async_probing+0x150/0x150 [ 240.594959][ T4742] bus_for_each_drv+0x15f/0x1e0 [ 240.600054][ T4742] ? bus_for_each_dev+0x1d0/0x1d0 [ 240.605223][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 240.611596][ T4742] ? trace_hardirqs_on+0x5b/0x1a0 [ 240.616618][ T4742] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 240.622576][ T4742] __device_attach+0x228/0x4a0 [ 240.627462][ T4742] ? __driver_attach_async_helper+0x330/0x330 [ 240.633691][ T4742] ? kobject_uevent_env+0x2bb/0x1680 [ 240.638977][ T4742] bus_probe_device+0x1e4/0x290 [ 240.643825][ T4742] device_add+0xbdb/0x1db0 [ 240.648251][ T4742] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 240.654589][ T4742] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 240.660852][ T4742] usb_new_device.cold+0x721/0x1058 [ 240.666072][ T4742] ? hub_disconnect+0x510/0x510 [ 240.670937][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 240.675965][ T4742] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 240.682068][ T4742] hub_event+0x2357/0x4320 [ 240.686495][ T4742] ? hub_port_debounce+0x3c0/0x3c0 [ 240.691624][ T4742] ? zap_class+0x5b0/0x9a0 [ 240.696077][ T4742] ? process_one_work+0x521/0x1580 [ 240.700147][ T4401] usb 3-1: USB disconnect, device number 101 [ 240.701393][ T4742] ? lock_release+0x6d0/0x6d0 [ 240.712213][ T4742] ? lock_downgrade+0x6d0/0x6d0 [ 240.717094][ T4742] ? do_raw_spin_lock+0x120/0x2b0 [ 240.722156][ T4742] ? lock_is_held_type+0x98/0x110 [ 240.727212][ T4742] process_one_work+0x98d/0x1580 [ 240.729000][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 240.732173][ T4742] ? pwq_dec_nr_in_flight+0x320/0x320 [ 240.732208][ T4742] ? rwlock_bug.part.0+0x90/0x90 [ 240.748949][ T4742] worker_thread+0x64c/0x1120 [ 240.753687][ T4742] ? __kthread_parkme+0x118/0x1d0 executing program executing program executing program executing program [ 240.758875][ T4742] ? process_one_work+0x1580/0x1580 [ 240.764193][ T4742] kthread+0x38c/0x460 [ 240.768298][ T4742] ? _raw_spin_unlock_irq+0x1f/0x30 [ 240.773549][ T4742] ? __kthread_bind_mask+0xc0/0xc0 [ 240.778887][ T4742] ret_from_fork+0x1f/0x30 [ 240.798162][ T2633] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 240.893126][ T4742] usb 4-1: USB disconnect, device number 101 [ 240.904754][ T4755] usb 2-1: USB disconnect, device number 103 [ 240.911942][ T2633] usb 5-1: USB disconnect, device number 101 [ 240.931770][ T4407] usb 6-1: USB disconnect, device number 101 executing program [ 241.002780][ T4399] usb 1-1: USB disconnect, device number 104 [ 241.187109][ T4401] usb 3-1: new high-speed USB device number 102 using dummy_hcd [ 241.297109][ T4742] usb 4-1: new high-speed USB device number 102 using dummy_hcd [ 241.297109][ T4407] usb 6-1: new high-speed USB device number 102 using dummy_hcd [ 241.317108][ T2633] usb 5-1: new high-speed USB device number 102 using dummy_hcd [ 241.325309][ T4755] usb 2-1: new high-speed USB device number 104 using dummy_hcd [ 241.407103][ T4399] usb 1-1: new high-speed USB device number 105 using dummy_hcd [ 241.427106][ T4401] usb 3-1: Using ep0 maxpacket: 8 [ 241.537097][ T4407] usb 6-1: Using ep0 maxpacket: 8 [ 241.548227][ T4401] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 241.558364][ T4401] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 241.567386][ T4742] usb 4-1: Using ep0 maxpacket: 8 [ 241.568973][ T4401] usb 3-1: config 0 descriptor?? [ 241.597193][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 241.617355][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 241.647421][ T4399] usb 1-1: Using ep0 maxpacket: 8 [ 241.657269][ T4407] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 241.666531][ T4407] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 241.680487][ T4407] usb 6-1: config 0 descriptor?? [ 241.737558][ T4742] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 241.747614][ T4742] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 241.759939][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 241.769589][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 241.777873][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 241.786939][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 241.796224][ T4742] usb 4-1: config 0 descriptor?? [ 241.804294][ T4755] usb 2-1: config 0 descriptor?? [ 241.810438][ T2633] usb 5-1: config 0 descriptor?? [ 241.817427][ T4399] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 241.826668][ T4399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 241.843334][ T4399] usb 1-1: config 0 descriptor?? [ 241.849756][ T4401] hso 3-1:0.0: Failed to find BULK IN ep [ 241.939273][ T4407] hso 6-1:0.0: Failed to find BULK IN ep [ 242.058140][ T2633] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 242.066031][ T2633] CPU: 0 PID: 2633 Comm: kworker/0:2 Not tainted 5.11.0-syzkaller #0 [ 242.074615][ T2633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.085398][ T2633] Workqueue: usb_hub_wq hub_event [ 242.090462][ T2633] Call Trace: [ 242.093772][ T2633] dump_stack+0xfa/0x151 [ 242.098290][ T2633] sysfs_warn_dup.cold+0x1c/0x29 [ 242.103421][ T2633] sysfs_do_create_link_sd+0x11e/0x140 [ 242.108906][ T2633] sysfs_create_link+0x5f/0xc0 [ 242.114247][ T2633] device_add+0x789/0x1db0 [ 242.118690][ T2633] ? memset+0x20/0x40 [ 242.122693][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 242.129358][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 242.136236][ T2633] ? __init_waitqueue_head+0x6b/0xd0 [ 242.141571][ T2633] tty_register_device_attr+0x395/0x7b0 [ 242.147248][ T2633] ? send_break.part.0+0x300/0x300 [ 242.152379][ T2633] ? mark_held_locks+0x9f/0xe0 [ 242.157157][ T2633] ? lockdep_init_map_type+0x2c3/0x780 [ 242.162638][ T2633] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 242.168383][ T2633] ? tty_port_register_device_attr+0xbc/0x110 [ 242.174465][ T2633] hso_serial_common_create+0x124/0x8b0 [ 242.180111][ T2633] ? kasan_unpoison+0x3a/0x60 [ 242.184808][ T2633] hso_probe+0xef9/0x1f70 [ 242.189155][ T2633] usb_probe_interface+0x315/0x7f0 [ 242.194291][ T2633] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 242.199773][ T2633] really_probe+0x291/0xe60 [ 242.204311][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 242.210672][ T2633] driver_probe_device+0x26b/0x3d0 [ 242.215815][ T2633] __device_attach_driver+0x1d1/0x290 [ 242.221216][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 242.227242][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 242.232136][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 242.237185][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.243367][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 242.248415][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 242.254256][ T2633] __device_attach+0x228/0x4a0 [ 242.259035][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 242.265237][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 242.271248][ T2633] bus_probe_device+0x1e4/0x290 [ 242.276124][ T2633] device_add+0xbdb/0x1db0 [ 242.280649][ T2633] ? wait_for_completion_io+0x270/0x270 [ 242.286228][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 242.293442][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.299530][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 242.305444][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 242.311704][ T2633] usb_set_configuration+0x113f/0x1910 [ 242.317183][ T2633] usb_generic_driver_probe+0xba/0x100 [ 242.322683][ T2633] usb_probe_device+0xd9/0x2c0 [ 242.327557][ T2633] ? usb_driver_release_interface+0x180/0x180 [ 242.333649][ T2633] really_probe+0x291/0xe60 [ 242.338197][ T2633] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 242.344764][ T2633] driver_probe_device+0x26b/0x3d0 [ 242.349897][ T2633] __device_attach_driver+0x1d1/0x290 [ 242.355291][ T2633] ? driver_allows_async_probing+0x150/0x150 [ 242.373207][ T2633] bus_for_each_drv+0x15f/0x1e0 [ 242.378093][ T2633] ? bus_for_each_dev+0x1d0/0x1d0 [ 242.383133][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.389140][ T2633] ? trace_hardirqs_on+0x5b/0x1a0 [ 242.394194][ T2633] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 242.400029][ T2633] __device_attach+0x228/0x4a0 [ 242.404812][ T2633] ? __driver_attach_async_helper+0x330/0x330 [ 242.410900][ T2633] ? kobject_uevent_env+0x2bb/0x1680 [ 242.416202][ T2633] bus_probe_device+0x1e4/0x290 [ 242.421855][ T2633] device_add+0xbdb/0x1db0 [ 242.426378][ T2633] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 242.432641][ T2633] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 242.438919][ T2633] usb_new_device.cold+0x721/0x1058 [ 242.444316][ T2633] ? hub_disconnect+0x510/0x510 [ 242.449193][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 242.454150][ T2633] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.460236][ T2633] hub_event+0x2357/0x4320 [ 242.464690][ T2633] ? hub_port_debounce+0x3c0/0x3c0 [ 242.469985][ T2633] ? zap_class+0x5b1/0x9a0 [ 242.474438][ T2633] ? process_one_work+0x521/0x1580 [ 242.479652][ T2633] ? lock_release+0x6d0/0x6d0 [ 242.484361][ T2633] ? lock_downgrade+0x6d0/0x6d0 [ 242.489232][ T2633] ? do_raw_spin_lock+0x120/0x2b0 [ 242.494380][ T2633] ? lock_is_held_type+0x98/0x110 [ 242.499516][ T2633] process_one_work+0x98d/0x1580 [ 242.504580][ T2633] ? pwq_dec_nr_in_flight+0x320/0x320 [ 242.509998][ T2633] ? rwlock_bug.part.0+0x90/0x90 [ 242.515038][ T2633] worker_thread+0x64c/0x1120 [ 242.519774][ T2633] ? __kthread_parkme+0x118/0x1d0 [ 242.524832][ T2633] ? process_one_work+0x1580/0x1580 [ 242.530057][ T2633] kthread+0x38c/0x460 [ 242.534763][ T2633] ? _raw_spin_unlock_irq+0x1f/0x30 [ 242.540167][ T2633] ? __kthread_bind_mask+0xc0/0xc0 [ 242.545325][ T2633] ret_from_fork+0x1f/0x30 [ 242.552010][ T4755] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 242.561312][ T4755] CPU: 0 PID: 4755 Comm: kworker/0:6 Not tainted 5.11.0-syzkaller #0 [ 242.569787][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.580275][ T4755] Workqueue: usb_hub_wq hub_event [ 242.585366][ T4755] Call Trace: [ 242.588666][ T4755] dump_stack+0xfa/0x151 [ 242.592931][ T4755] sysfs_warn_dup.cold+0x1c/0x29 [ 242.597889][ T4755] sysfs_do_create_link_sd+0x11e/0x140 [ 242.603361][ T4755] sysfs_create_link+0x5f/0xc0 [ 242.608135][ T4755] device_add+0x789/0x1db0 [ 242.612566][ T4755] ? memset+0x20/0x40 [ 242.616732][ T4755] ? lockdep_init_map_type+0x2c3/0x780 [ 242.622205][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 242.628459][ T4755] ? __init_waitqueue_head+0x6b/0xd0 [ 242.633758][ T4755] tty_register_device_attr+0x395/0x7b0 [ 242.639412][ T4755] ? send_break.part.0+0x300/0x300 [ 242.644554][ T4755] ? mark_held_locks+0x9f/0xe0 [ 242.649358][ T4755] ? lockdep_init_map_type+0x2c3/0x780 [ 242.654853][ T4755] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 242.660889][ T4755] ? tty_port_register_device_attr+0xbc/0x110 [ 242.666997][ T4755] hso_serial_common_create+0x124/0x8b0 [ 242.672579][ T4755] ? kasan_unpoison+0x3a/0x60 [ 242.677292][ T4755] hso_probe+0xef9/0x1f70 [ 242.683041][ T4755] usb_probe_interface+0x315/0x7f0 [ 242.688176][ T4755] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 242.693568][ T4755] really_probe+0x291/0xe60 [ 242.698123][ T4755] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 242.704399][ T4755] driver_probe_device+0x26b/0x3d0 [ 242.709528][ T4755] __device_attach_driver+0x1d1/0x290 [ 242.715080][ T4755] ? driver_allows_async_probing+0x150/0x150 [ 242.721698][ T4755] bus_for_each_drv+0x15f/0x1e0 [ 242.726595][ T4755] ? bus_for_each_dev+0x1d0/0x1d0 [ 242.731685][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.737690][ T4755] ? trace_hardirqs_on+0x5b/0x1a0 [ 242.742745][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 242.748764][ T4755] __device_attach+0x228/0x4a0 [ 242.753547][ T4755] ? __driver_attach_async_helper+0x330/0x330 [ 242.759740][ T4755] ? kobject_uevent_env+0x2bb/0x1680 [ 242.765046][ T4755] bus_probe_device+0x1e4/0x290 [ 242.770271][ T4755] device_add+0xbdb/0x1db0 [ 242.775102][ T4755] ? wait_for_completion_io+0x270/0x270 [ 242.781292][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 242.788010][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.794061][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 242.800063][ T4755] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 242.806331][ T4755] usb_set_configuration+0x113f/0x1910 [ 242.811931][ T4755] usb_generic_driver_probe+0xba/0x100 [ 242.817422][ T4755] usb_probe_device+0xd9/0x2c0 [ 242.822215][ T4755] ? usb_driver_release_interface+0x180/0x180 [ 242.828385][ T4755] really_probe+0x291/0xe60 [ 242.832927][ T4755] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 242.839214][ T4755] driver_probe_device+0x26b/0x3d0 [ 242.844350][ T4755] __device_attach_driver+0x1d1/0x290 [ 242.849748][ T4755] ? driver_allows_async_probing+0x150/0x150 [ 242.855765][ T4755] bus_for_each_drv+0x15f/0x1e0 [ 242.860734][ T4755] ? bus_for_each_dev+0x1d0/0x1d0 [ 242.865947][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.871946][ T4755] ? trace_hardirqs_on+0x5b/0x1a0 [ 242.876994][ T4755] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 242.882823][ T4755] __device_attach+0x228/0x4a0 [ 242.887615][ T4755] ? __driver_attach_async_helper+0x330/0x330 [ 242.893803][ T4755] ? kobject_uevent_env+0x2bb/0x1680 [ 242.899218][ T4755] bus_probe_device+0x1e4/0x290 [ 242.904095][ T4755] device_add+0xbdb/0x1db0 [ 242.908531][ T4755] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 242.914799][ T4755] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 242.921073][ T4755] usb_new_device.cold+0x721/0x1058 [ 242.926307][ T4755] ? hub_disconnect+0x510/0x510 [ 242.931285][ T4755] ? rwlock_bug.part.0+0x90/0x90 [ 242.936242][ T4755] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 242.942238][ T4755] hub_event+0x2357/0x4320 [ 242.946859][ T4755] ? hub_port_debounce+0x3c0/0x3c0 [ 242.951996][ T4755] ? zap_class+0x5b1/0x9a0 [ 242.956427][ T4755] ? process_one_work+0x521/0x1580 [ 242.961556][ T4755] ? lock_release+0x6d0/0x6d0 [ 242.966244][ T4755] ? lock_downgrade+0x6d0/0x6d0 [ 242.971467][ T4755] ? lock_is_held_type+0x98/0x110 [ 242.976620][ T4755] process_one_work+0x98d/0x1580 [ 242.981867][ T4755] ? pwq_dec_nr_in_flight+0x320/0x320 [ 242.987346][ T4755] ? rwlock_bug.part.0+0x90/0x90 [ 242.992319][ T4755] worker_thread+0x64c/0x1120 [ 242.997121][ T4755] ? __kthread_parkme+0x118/0x1d0 [ 243.002176][ T4755] ? process_one_work+0x1580/0x1580 [ 243.007407][ T4755] kthread+0x38c/0x460 executing program executing program executing program [ 243.011964][ T4755] ? _raw_spin_unlock_irq+0x1f/0x30 [ 243.017465][ T4755] ? __kthread_bind_mask+0xc0/0xc0 [ 243.023356][ T4755] ret_from_fork+0x1f/0x30 [ 243.033268][ T4742] hso 4-1:0.0: Failed to find BULK IN ep [ 243.041604][ T4407] usb 3-1: USB disconnect, device number 102 [ 243.058487][ T4399] hso 1-1:0.0: Failed to find BULK IN ep [ 243.062174][ T4401] usb 6-1: USB disconnect, device number 102 executing program [ 243.183088][ T4755] usb 2-1: USB disconnect, device number 104 executing program executing program [ 243.245001][ T1551] usb 4-1: USB disconnect, device number 102 [ 243.252548][ T5007] usb 5-1: USB disconnect, device number 102 [ 243.271774][ T32] usb 1-1: USB disconnect, device number 105 [ 243.427111][ T4407] usb 3-1: new high-speed USB device number 103 using dummy_hcd [ 243.447279][ T4401] usb 6-1: new high-speed USB device number 103 using dummy_hcd [ 243.567140][ T4755] usb 2-1: new high-speed USB device number 105 using dummy_hcd [ 243.617140][ T1551] usb 4-1: new high-speed USB device number 103 using dummy_hcd [ 243.647161][ T32] usb 1-1: new high-speed USB device number 106 using dummy_hcd [ 243.667174][ T5007] usb 5-1: new high-speed USB device number 103 using dummy_hcd [ 243.675021][ T4407] usb 3-1: Using ep0 maxpacket: 8 [ 243.687222][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 243.797213][ T4407] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 243.806347][ T4407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 243.815990][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 243.825562][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 243.837218][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 243.837983][ T4407] usb 3-1: config 0 descriptor?? [ 243.851592][ T4401] usb 6-1: config 0 descriptor?? [ 243.857223][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 243.888816][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 243.927716][ T5007] usb 5-1: Using ep0 maxpacket: 8 [ 243.977333][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 243.977396][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 243.986514][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 243.995764][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 244.003438][ T4755] usb 2-1: config 0 descriptor?? [ 244.007366][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 244.033699][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 244.044888][ T1551] usb 4-1: config 0 descriptor?? [ 244.053546][ T32] usb 1-1: config 0 descriptor?? [ 244.077527][ T5007] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 244.086979][ T5007] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 244.106131][ T5007] usb 5-1: config 0 descriptor?? [ 244.116032][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 244.122765][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 244.130751][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 244.139372][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.149803][ T4407] Workqueue: usb_hub_wq hub_event [ 244.155163][ T4407] Call Trace: [ 244.158556][ T4407] dump_stack+0xfa/0x151 [ 244.163003][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 244.167976][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 244.173466][ T4407] sysfs_create_link+0x5f/0xc0 [ 244.178275][ T4407] device_add+0x789/0x1db0 [ 244.182723][ T4407] ? memset+0x20/0x40 [ 244.186733][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 244.192327][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 244.198600][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 244.204256][ T4407] tty_register_device_attr+0x395/0x7b0 [ 244.209941][ T4407] ? send_break.part.0+0x300/0x300 [ 244.215070][ T4407] ? mark_held_locks+0x9f/0xe0 [ 244.220009][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 244.225476][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 244.232832][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 244.239312][ T4407] hso_serial_common_create+0x124/0x8b0 [ 244.245434][ T4407] ? kasan_unpoison+0x3a/0x60 [ 244.250297][ T4407] hso_probe+0xef9/0x1f70 [ 244.254634][ T4407] usb_probe_interface+0x315/0x7f0 [ 244.259868][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 244.265246][ T4407] really_probe+0x291/0xe60 [ 244.270109][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 244.276635][ T4407] driver_probe_device+0x26b/0x3d0 [ 244.281882][ T4407] __device_attach_driver+0x1d1/0x290 [ 244.287649][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 244.293817][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 244.298678][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 244.303826][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 244.309858][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 244.314881][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 244.321069][ T4407] __device_attach+0x228/0x4a0 [ 244.325857][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 244.331952][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 244.337375][ T4407] bus_probe_device+0x1e4/0x290 [ 244.342261][ T4407] device_add+0xbdb/0x1db0 [ 244.346800][ T4407] ? wait_for_completion_io+0x270/0x270 [ 244.352346][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 244.359577][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 244.365915][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 244.371734][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 executing program [ 244.377975][ T4407] usb_set_configuration+0x113f/0x1910 [ 244.383455][ T4407] usb_generic_driver_probe+0xba/0x100 [ 244.388923][ T4407] usb_probe_device+0xd9/0x2c0 [ 244.393711][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 244.399853][ T4407] really_probe+0x291/0xe60 [ 244.404394][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 244.410669][ T4407] driver_probe_device+0x26b/0x3d0 [ 244.415816][ T4407] __device_attach_driver+0x1d1/0x290 [ 244.421214][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 244.427420][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 244.432290][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 244.438100][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 244.444230][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 244.449363][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 244.455973][ T4407] __device_attach+0x228/0x4a0 [ 244.460759][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 244.466860][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 244.472147][ T4407] bus_probe_device+0x1e4/0x290 [ 244.477087][ T4407] device_add+0xbdb/0x1db0 [ 244.481830][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 244.488104][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 244.494439][ T4407] usb_new_device.cold+0x721/0x1058 [ 244.499643][ T4407] ? hub_disconnect+0x510/0x510 [ 244.504615][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 244.509584][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 244.515880][ T4407] hub_event+0x2357/0x4320 [ 244.520353][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 244.525641][ T4407] ? zap_class+0x5b0/0x9a0 [ 244.530062][ T4407] ? process_one_work+0x521/0x1580 [ 244.535206][ T4407] ? lock_release+0x6d0/0x6d0 [ 244.540095][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 244.545045][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 244.550430][ T4407] ? lock_is_held_type+0x98/0x110 [ 244.555649][ T4407] process_one_work+0x98d/0x1580 [ 244.560816][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 244.566198][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 244.571159][ T4407] worker_thread+0x64c/0x1120 [ 244.575874][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 244.580914][ T4407] ? process_one_work+0x1580/0x1580 [ 244.586147][ T4407] kthread+0x38c/0x460 [ 244.590945][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 244.596702][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 244.603825][ T4407] ret_from_fork+0x1f/0x30 [ 244.614459][ T4401] usb 6-1: USB disconnect, device number 103 [ 244.621464][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 244.625801][ T4407] usb 3-1: USB disconnect, device number 103 [ 244.634204][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 244.642111][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 244.651159][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.661272][ T1551] Workqueue: usb_hub_wq hub_event [ 244.666342][ T1551] Call Trace: [ 244.669987][ T1551] dump_stack+0xfa/0x151 [ 244.674255][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 244.679225][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 244.684718][ T1551] sysfs_create_link+0x5f/0xc0 [ 244.689776][ T1551] device_add+0x789/0x1db0 [ 244.694237][ T1551] ? memset+0x20/0x40 [ 244.698263][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 244.703771][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 244.710054][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 244.715377][ T1551] tty_register_device_attr+0x395/0x7b0 [ 244.720995][ T1551] ? send_break.part.0+0x300/0x300 [ 244.726148][ T1551] ? mark_held_locks+0x9f/0xe0 [ 244.730951][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 244.736452][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 244.742525][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 244.748633][ T1551] hso_serial_common_create+0x124/0x8b0 [ 244.754209][ T1551] ? kasan_unpoison+0x3a/0x60 [ 244.758916][ T1551] hso_probe+0xef9/0x1f70 [ 244.763360][ T1551] usb_probe_interface+0x315/0x7f0 [ 244.768591][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 244.774328][ T1551] really_probe+0x291/0xe60 executing program [ 244.778864][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 244.785135][ T1551] driver_probe_device+0x26b/0x3d0 [ 244.790366][ T1551] __device_attach_driver+0x1d1/0x290 [ 244.795771][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 244.801791][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 244.806681][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 244.811850][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 244.817870][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 244.822929][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 executing program [ 244.825437][ T4755] usb 2-1: USB disconnect, device number 105 [ 244.828770][ T1551] __device_attach+0x228/0x4a0 [ 244.828804][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 244.828832][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 244.828858][ T1551] bus_probe_device+0x1e4/0x290 [ 244.856449][ T1551] device_add+0xbdb/0x1db0 [ 244.861073][ T1551] ? wait_for_completion_io+0x270/0x270 [ 244.866647][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 244.872917][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 244.879219][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 244.887912][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 244.895117][ T1551] usb_set_configuration+0x113f/0x1910 [ 244.900619][ T1551] usb_generic_driver_probe+0xba/0x100 [ 244.906133][ T1551] usb_probe_device+0xd9/0x2c0 [ 244.910930][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 244.917028][ T1551] really_probe+0x291/0xe60 [ 244.921569][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 244.927951][ T1551] driver_probe_device+0x26b/0x3d0 [ 244.933092][ T1551] __device_attach_driver+0x1d1/0x290 [ 244.938499][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 244.944493][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 244.949353][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 244.954393][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 244.960412][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 244.965540][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 244.971455][ T1551] __device_attach+0x228/0x4a0 executing program [ 244.976755][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 244.983020][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 244.988700][ T1551] bus_probe_device+0x1e4/0x290 [ 244.993580][ T1551] device_add+0xbdb/0x1db0 [ 244.998026][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 245.004292][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 245.010846][ T1551] usb_new_device.cold+0x721/0x1058 [ 245.016078][ T1551] ? hub_disconnect+0x510/0x510 [ 245.021651][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 245.026741][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 245.032932][ T1551] hub_event+0x2357/0x4320 [ 245.037396][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 245.042631][ T1551] ? zap_class+0x5b1/0x9a0 [ 245.047060][ T1551] ? process_one_work+0x521/0x1580 [ 245.052312][ T1551] ? lock_release+0x6d0/0x6d0 [ 245.056996][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 245.061898][ T1551] ? lock_is_held_type+0x98/0x110 [ 245.067058][ T1551] process_one_work+0x98d/0x1580 [ 245.072011][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 245.077571][ T1551] ? rwlock_bug.part.0+0x90/0x90 executing program [ 245.082733][ T1551] worker_thread+0x64c/0x1120 [ 245.087596][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 245.095339][ T1551] ? process_one_work+0x1580/0x1580 [ 245.100617][ T1551] kthread+0x38c/0x460 [ 245.104718][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 245.110480][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 245.115778][ T1551] ret_from_fork+0x1f/0x30 [ 245.125304][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 245.144347][ T32] usb 1-1: USB disconnect, device number 106 [ 245.159041][ T1551] usb 4-1: USB disconnect, device number 103 [ 245.338168][ T5007] hso 5-1:0.0: Failed to find BULK IN ep [ 245.477101][ T4401] usb 6-1: new high-speed USB device number 104 using dummy_hcd [ 245.487859][ T4407] usb 3-1: new high-speed USB device number 104 using dummy_hcd [ 245.507241][ T32] usb 1-1: new high-speed USB device number 107 using dummy_hcd [ 245.517126][ T4755] usb 2-1: new high-speed USB device number 106 using dummy_hcd executing program [ 245.527208][ T1551] usb 4-1: new high-speed USB device number 104 using dummy_hcd [ 245.539854][ T2633] usb 5-1: USB disconnect, device number 103 [ 245.737192][ T4407] usb 3-1: Using ep0 maxpacket: 8 [ 245.743048][ T4401] usb 6-1: Using ep0 maxpacket: 8 [ 245.749458][ T32] usb 1-1: Using ep0 maxpacket: 8 [ 245.757205][ T4755] usb 2-1: Using ep0 maxpacket: 8 [ 245.767511][ T1551] usb 4-1: Using ep0 maxpacket: 8 [ 245.867360][ T32] usb 1-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 245.876632][ T32] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 245.886237][ T4401] usb 6-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 245.895503][ T4401] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 245.898382][ T4755] usb 2-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 245.903851][ T1551] usb 4-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 245.913164][ T4755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 245.922986][ T1551] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 245.939655][ T4407] usb 3-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 245.940448][ T4755] usb 2-1: config 0 descriptor?? [ 245.948824][ T4407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 245.979831][ T32] usb 1-1: config 0 descriptor?? [ 245.985612][ T4401] usb 6-1: config 0 descriptor?? [ 245.994257][ T4407] usb 3-1: config 0 descriptor?? [ 246.002985][ T1551] usb 4-1: config 0 descriptor?? [ 246.007446][ T2633] usb 5-1: new high-speed USB device number 104 using dummy_hcd [ 246.208016][ T4755] hso 2-1:0.0: Failed to find BULK IN ep [ 246.238491][ T32] hso 1-1:0.0: Failed to find BULK IN ep [ 246.257882][ T4407] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 246.265770][ T4407] CPU: 1 PID: 4407 Comm: kworker/1:5 Not tainted 5.11.0-syzkaller #0 [ 246.273891][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.284144][ T4407] Workqueue: usb_hub_wq hub_event [ 246.289289][ T4407] Call Trace: [ 246.292573][ T4407] dump_stack+0xfa/0x151 [ 246.296837][ T4407] sysfs_warn_dup.cold+0x1c/0x29 [ 246.302240][ T4407] sysfs_do_create_link_sd+0x11e/0x140 [ 246.307725][ T4407] sysfs_create_link+0x5f/0xc0 [ 246.312491][ T4407] device_add+0x789/0x1db0 [ 246.317039][ T4407] ? memset+0x20/0x40 [ 246.321044][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 246.326529][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 246.332782][ T4407] ? __init_waitqueue_head+0x6b/0xd0 [ 246.338112][ T4407] tty_register_device_attr+0x395/0x7b0 [ 246.343666][ T4407] ? send_break.part.0+0x300/0x300 [ 246.348791][ T4407] ? mark_held_locks+0x9f/0xe0 [ 246.353546][ T4407] ? lockdep_init_map_type+0x2c3/0x780 [ 246.359004][ T4407] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 246.364715][ T4407] ? tty_port_register_device_attr+0xbc/0x110 [ 246.370899][ T4407] hso_serial_common_create+0x124/0x8b0 [ 246.376523][ T4407] ? kasan_unpoison+0x3a/0x60 [ 246.381233][ T4407] hso_probe+0xef9/0x1f70 [ 246.385717][ T4407] usb_probe_interface+0x315/0x7f0 [ 246.391205][ T4407] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 246.396609][ T4407] really_probe+0x291/0xe60 [ 246.401618][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 246.407949][ T4407] driver_probe_device+0x26b/0x3d0 [ 246.413399][ T4407] __device_attach_driver+0x1d1/0x290 [ 246.418894][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 246.424911][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 246.429756][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 246.435142][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 246.441138][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 246.446259][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 246.452064][ T4407] __device_attach+0x228/0x4a0 executing program [ 246.456830][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 246.463079][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 246.468403][ T4407] bus_probe_device+0x1e4/0x290 [ 246.473282][ T4407] device_add+0xbdb/0x1db0 [ 246.477812][ T4407] ? wait_for_completion_io+0x270/0x270 [ 246.483386][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 246.489754][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 246.495779][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 246.501617][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 246.507908][ T4407] usb_set_configuration+0x113f/0x1910 [ 246.513471][ T4407] usb_generic_driver_probe+0xba/0x100 [ 246.519036][ T4407] usb_probe_device+0xd9/0x2c0 [ 246.524192][ T4407] ? usb_driver_release_interface+0x180/0x180 [ 246.530280][ T4407] really_probe+0x291/0xe60 [ 246.536024][ T4407] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 246.542351][ T4407] driver_probe_device+0x26b/0x3d0 [ 246.547634][ T4407] __device_attach_driver+0x1d1/0x290 [ 246.553586][ T4407] ? driver_allows_async_probing+0x150/0x150 [ 246.559715][ T4407] bus_for_each_drv+0x15f/0x1e0 [ 246.565805][ T4407] ? bus_for_each_dev+0x1d0/0x1d0 [ 246.571748][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 246.577800][ T4407] ? trace_hardirqs_on+0x5b/0x1a0 [ 246.582968][ T4407] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 246.588996][ T4407] __device_attach+0x228/0x4a0 [ 246.593873][ T4407] ? __driver_attach_async_helper+0x330/0x330 [ 246.600008][ T4407] ? kobject_uevent_env+0x2bb/0x1680 [ 246.605306][ T4407] bus_probe_device+0x1e4/0x290 [ 246.610217][ T4407] device_add+0xbdb/0x1db0 [ 246.614649][ T4407] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 246.620899][ T4407] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 246.627154][ T4407] usb_new_device.cold+0x721/0x1058 [ 246.632377][ T4407] ? hub_disconnect+0x510/0x510 [ 246.637251][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 246.642476][ T4407] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 246.648652][ T4407] hub_event+0x2357/0x4320 [ 246.653304][ T4407] ? hub_port_debounce+0x3c0/0x3c0 [ 246.658420][ T4407] ? zap_class+0x5b1/0x9a0 [ 246.663062][ T4407] ? process_one_work+0x521/0x1580 [ 246.668197][ T4407] ? lock_release+0x6d0/0x6d0 [ 246.672903][ T4407] ? lock_downgrade+0x6d0/0x6d0 [ 246.677762][ T4407] ? do_raw_spin_lock+0x120/0x2b0 [ 246.682827][ T4407] ? lock_is_held_type+0x98/0x110 [ 246.687911][ T4407] process_one_work+0x98d/0x1580 [ 246.693041][ T4407] ? pwq_dec_nr_in_flight+0x320/0x320 [ 246.698873][ T4407] ? rwlock_bug.part.0+0x90/0x90 [ 246.703993][ T4407] worker_thread+0x82b/0x1120 [ 246.708694][ T4407] ? __kthread_parkme+0x118/0x1d0 [ 246.713863][ T4407] ? process_one_work+0x1580/0x1580 [ 246.719068][ T4407] kthread+0x38c/0x460 [ 246.723143][ T4407] ? _raw_spin_unlock_irq+0x1f/0x30 [ 246.728544][ T4407] ? __kthread_bind_mask+0xc0/0xc0 [ 246.734102][ T4407] ret_from_fork+0x1f/0x30 [ 246.742241][ T1551] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 246.747327][ T2633] usb 5-1: Using ep0 maxpacket: 8 [ 246.750483][ T1551] CPU: 1 PID: 1551 Comm: kworker/1:2 Not tainted 5.11.0-syzkaller #0 [ 246.763830][ T1551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.774478][ T1551] Workqueue: usb_hub_wq hub_event [ 246.779747][ T1551] Call Trace: [ 246.783046][ T1551] dump_stack+0xfa/0x151 [ 246.789890][ T1551] sysfs_warn_dup.cold+0x1c/0x29 [ 246.795240][ T1551] sysfs_do_create_link_sd+0x11e/0x140 [ 246.800816][ T1551] sysfs_create_link+0x5f/0xc0 [ 246.805619][ T1551] device_add+0x789/0x1db0 executing program executing program executing program [ 246.810171][ T1551] ? memset+0x20/0x40 [ 246.814174][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 246.819670][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 246.826384][ T1551] ? __init_waitqueue_head+0x6b/0xd0 [ 246.831714][ T1551] tty_register_device_attr+0x395/0x7b0 [ 246.837473][ T1551] ? send_break.part.0+0x300/0x300 [ 246.842863][ T1551] ? mark_held_locks+0x9f/0xe0 [ 246.847655][ T1551] ? lockdep_init_map_type+0x2c3/0x780 [ 246.853170][ T1551] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 246.858924][ T1551] ? tty_port_register_device_attr+0xbc/0x110 [ 246.865040][ T1551] hso_serial_common_create+0x124/0x8b0 [ 246.870716][ T1551] ? kasan_unpoison+0x3a/0x60 [ 246.875613][ T1551] hso_probe+0xef9/0x1f70 [ 246.880211][ T1551] usb_probe_interface+0x315/0x7f0 [ 246.885630][ T1551] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 246.891037][ T1551] really_probe+0x291/0xe60 [ 246.895745][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 246.902276][ T1551] driver_probe_device+0x26b/0x3d0 executing program [ 246.907441][ T1551] __device_attach_driver+0x1d1/0x290 [ 246.913890][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 246.920211][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 246.925243][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 246.930312][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 246.936293][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 246.941411][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 246.947330][ T1551] __device_attach+0x228/0x4a0 [ 246.952128][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 246.958304][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 246.963645][ T1551] bus_probe_device+0x1e4/0x290 [ 246.968519][ T1551] device_add+0xbdb/0x1db0 [ 246.972967][ T1551] ? wait_for_completion_io+0x270/0x270 [ 246.978546][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 246.984869][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 246.990855][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 246.996657][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 247.002955][ T1551] usb_set_configuration+0x113f/0x1910 [ 247.008415][ T1551] usb_generic_driver_probe+0xba/0x100 [ 247.013885][ T1551] usb_probe_device+0xd9/0x2c0 [ 247.019711][ T1551] ? usb_driver_release_interface+0x180/0x180 [ 247.025780][ T1551] really_probe+0x291/0xe60 [ 247.030428][ T1551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 247.037798][ T1551] driver_probe_device+0x26b/0x3d0 [ 247.043356][ T1551] __device_attach_driver+0x1d1/0x290 [ 247.048748][ T1551] ? driver_allows_async_probing+0x150/0x150 [ 247.054987][ T1551] bus_for_each_drv+0x15f/0x1e0 [ 247.060143][ T1551] ? bus_for_each_dev+0x1d0/0x1d0 [ 247.065197][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 247.071927][ T1551] ? trace_hardirqs_on+0x5b/0x1a0 [ 247.077084][ T1551] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 247.082900][ T1551] __device_attach+0x228/0x4a0 [ 247.087717][ T1551] ? __driver_attach_async_helper+0x330/0x330 [ 247.093825][ T1551] ? kobject_uevent_env+0x2bb/0x1680 [ 247.099472][ T1551] bus_probe_device+0x1e4/0x290 [ 247.104629][ T1551] device_add+0xbdb/0x1db0 [ 247.109056][ T1551] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 247.115404][ T1551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 247.121746][ T1551] usb_new_device.cold+0x721/0x1058 [ 247.127088][ T1551] ? hub_disconnect+0x510/0x510 [ 247.131943][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 247.136901][ T1551] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 247.142914][ T1551] hub_event+0x2357/0x4320 [ 247.147521][ T1551] ? hub_port_debounce+0x3c0/0x3c0 [ 247.152661][ T1551] ? zap_class+0x5b1/0x9a0 [ 247.157076][ T1551] ? process_one_work+0x521/0x1580 [ 247.162287][ T1551] ? lock_release+0x6d0/0x6d0 [ 247.167192][ T1551] ? lock_downgrade+0x6d0/0x6d0 [ 247.172333][ T1551] ? do_raw_spin_lock+0x120/0x2b0 [ 247.177615][ T1551] ? lock_is_held_type+0x98/0x110 [ 247.182650][ T1551] process_one_work+0x98d/0x1580 [ 247.187632][ T1551] ? pwq_dec_nr_in_flight+0x320/0x320 [ 247.193711][ T1551] ? rwlock_bug.part.0+0x90/0x90 [ 247.198989][ T1551] worker_thread+0x82b/0x1120 [ 247.203768][ T1551] ? __kthread_parkme+0x118/0x1d0 [ 247.209716][ T1551] ? process_one_work+0x1580/0x1580 [ 247.214970][ T1551] kthread+0x38c/0x460 [ 247.219067][ T1551] ? _raw_spin_unlock_irq+0x1f/0x30 [ 247.224265][ T1551] ? __kthread_bind_mask+0xc0/0xc0 [ 247.229830][ T1551] ret_from_fork+0x1f/0x30 [ 247.235997][ T4401] hso 6-1:0.0: Failed to find BULK IN ep [ 247.245690][ T4401] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN [ 247.257032][ T4401] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 247.265473][ T4401] CPU: 1 PID: 4401 Comm: kworker/1:3 Not tainted 5.11.0-syzkaller #0 [ 247.273581][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.283917][ T4401] Workqueue: usb_hub_wq hub_event [ 247.288986][ T4401] RIP: 0010:cdev_del+0x22/0x90 [ 247.294136][ T4401] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 93 c0 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 [ 247.313851][ T4401] RSP: 0018:ffffc900002f7150 EFLAGS: 00010207 [ 247.319930][ T4401] RAX: dffffc0000000000 RBX: ffff88810833ea00 RCX: 0000000000000000 [ 247.327893][ T4401] RDX: 000000000000000c RSI: ffffffff8171ca4d RDI: 0000000000000064 [ 247.337047][ T4401] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8a1e8737 [ 247.345033][ T4401] R10: ffffffff8233a1ef R11: 000000000004e044 R12: ffff88810833ea08 [ 247.353020][ T4401] R13: ffff888108658000 R14: 0000000000000000 R15: ffff88810f1c7070 [ 247.361227][ T4401] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 247.370565][ T4401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.377146][ T4401] CR2: 00000000004ba438 CR3: 0000000007825000 CR4: 00000000001506e0 [ 247.385135][ T4401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.393137][ T4401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.401099][ T4401] Call Trace: [ 247.405075][ T4401] tty_unregister_device+0x112/0x1b0 [ 247.410392][ T4401] hso_probe.cold+0x70/0x16a [ 247.415053][ T4401] usb_probe_interface+0x315/0x7f0 [ 247.420261][ T4401] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 247.425626][ T4401] really_probe+0x291/0xe60 [ 247.430249][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 247.436796][ T4401] driver_probe_device+0x26b/0x3d0 [ 247.442056][ T4401] __device_attach_driver+0x1d1/0x290 [ 247.447530][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 247.453651][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 247.458675][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 247.463793][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 247.469784][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 247.474820][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 247.480705][ T4401] __device_attach+0x228/0x4a0 [ 247.485743][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 247.491997][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 247.497306][ T4401] bus_probe_device+0x1e4/0x290 [ 247.502148][ T4401] device_add+0xbdb/0x1db0 [ 247.506727][ T4401] ? wait_for_completion_io+0x270/0x270 [ 247.512262][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 247.518490][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 247.524462][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 247.530441][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 247.536781][ T4401] usb_set_configuration+0x113f/0x1910 [ 247.542245][ T4401] usb_generic_driver_probe+0xba/0x100 [ 247.547835][ T4401] usb_probe_device+0xd9/0x2c0 [ 247.552631][ T4401] ? usb_driver_release_interface+0x180/0x180 [ 247.558697][ T4401] really_probe+0x291/0xe60 [ 247.564017][ T4401] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 247.570552][ T4401] driver_probe_device+0x26b/0x3d0 [ 247.575663][ T4401] __device_attach_driver+0x1d1/0x290 [ 247.581039][ T4401] ? driver_allows_async_probing+0x150/0x150 [ 247.587225][ T4401] bus_for_each_drv+0x15f/0x1e0 [ 247.592110][ T4401] ? bus_for_each_dev+0x1d0/0x1d0 [ 247.597219][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 247.603391][ T4401] ? trace_hardirqs_on+0x5b/0x1a0 [ 247.608573][ T4401] ? _raw_spin_unlock_irqrestore+0x28/0x40 [ 247.614726][ T4401] __device_attach+0x228/0x4a0 [ 247.619855][ T4401] ? __driver_attach_async_helper+0x330/0x330 [ 247.626017][ T4401] ? kobject_uevent_env+0x2bb/0x1680 [ 247.631296][ T4401] bus_probe_device+0x1e4/0x290 [ 247.636140][ T4401] device_add+0xbdb/0x1db0 [ 247.640554][ T4401] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 247.646782][ T4401] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 247.653029][ T4401] usb_new_device.cold+0x721/0x1058 [ 247.658565][ T4401] ? hub_disconnect+0x510/0x510 [ 247.663430][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 247.668356][ T4401] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 247.675203][ T4401] hub_event+0x2357/0x4320 [ 247.679672][ T4401] ? hub_port_debounce+0x3c0/0x3c0 [ 247.684809][ T4401] ? zap_class+0x5b0/0x9a0 [ 247.689239][ T4401] ? process_one_work+0x521/0x1580 [ 247.694612][ T4401] ? lock_release+0x6d0/0x6d0 [ 247.700231][ T4401] ? lock_downgrade+0x6d0/0x6d0 [ 247.706459][ T4401] ? do_raw_spin_lock+0x120/0x2b0 [ 247.711618][ T4401] ? lock_is_held_type+0x98/0x110 [ 247.716839][ T4401] process_one_work+0x98d/0x1580 [ 247.725613][ T4401] ? pwq_dec_nr_in_flight+0x320/0x320 [ 247.731001][ T4401] ? rwlock_bug.part.0+0x90/0x90 [ 247.735938][ T4401] worker_thread+0x82b/0x1120 [ 247.740613][ T4401] ? process_one_work+0x1580/0x1580 [ 247.745824][ T4401] kthread+0x38c/0x460 [ 247.749890][ T4401] ? _raw_spin_unlock_irq+0x1f/0x30 [ 247.755103][ T4401] ? __kthread_bind_mask+0xc0/0xc0 [ 247.761290][ T4401] ret_from_fork+0x1f/0x30 [ 247.766505][ T4401] Modules linked in: [ 247.770607][ T4401] ---[ end trace d72d14656666fdbb ]--- [ 247.776082][ T4401] RIP: 0010:cdev_del+0x22/0x90 [ 247.781198][ T4401] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 93 c0 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 [ 247.800966][ T4401] RSP: 0018:ffffc900002f7150 EFLAGS: 00010207 [ 247.807092][ T4401] RAX: dffffc0000000000 RBX: ffff88810833ea00 RCX: 0000000000000000 [ 247.815427][ T4401] RDX: 000000000000000c RSI: ffffffff8171ca4d RDI: 0000000000000064 [ 247.823518][ T4401] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8a1e8737 [ 247.831645][ T4401] R10: ffffffff8233a1ef R11: 000000000004e044 R12: ffff88810833ea08 [ 247.839664][ T4401] R13: ffff888108658000 R14: 0000000000000000 R15: ffff88810f1c7070 [ 247.847791][ T4401] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 247.856736][ T4401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.863373][ T4401] CR2: 00000000004ba438 CR3: 0000000007825000 CR4: 00000000001506e0 [ 247.871407][ T4401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.877255][ T2633] usb 5-1: New USB device found, idVendor=0af0, idProduct=7901, bcdDevice=5b.0a [ 247.879535][ T4401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.889609][ T2633] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 247.898670][ T4401] Kernel panic - not syncing: Fatal exception [ 247.907623][ T4401] Kernel Offset: disabled [ 247.918967][ T4401] Rebooting in 86400 seconds..