Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 519.307371][ T95] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 519.315220][ T1804] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 519.322982][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 519.327249][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 519.330512][ T1806] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 519.330933][ T1805] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 519.417673][ T1806] usb 4-1: Using ep0 maxpacket: 32 [ 519.427369][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 519.437784][ T1804] usb 3-1: Using ep0 maxpacket: 32 [ 519.443256][ T95] usb 5-1: Using ep0 maxpacket: 32 [ 519.448553][ T12] usb 6-1: Using ep0 maxpacket: 32 [ 519.454182][ T1805] usb 2-1: Using ep0 maxpacket: 32 [ 519.537339][ T1806] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 519.546741][ T1806] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 519.557297][ T94] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 519.560274][ T1804] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 519.566561][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 519.575709][ T1804] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 519.586094][ T94] usb 1-1: config 0 descriptor?? [ 519.591736][ T12] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 519.605797][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 519.613886][ T95] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 519.623144][ T95] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 519.631394][ T1805] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 519.640463][ T1805] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 519.648630][ T1806] usb 4-1: config 0 descriptor?? [ 519.655026][ T1805] usb 2-1: config 0 descriptor?? [ 519.660641][ T95] usb 5-1: config 0 descriptor?? [ 519.666739][ T12] usb 6-1: config 0 descriptor?? [ 519.673606][ T1804] usb 3-1: config 0 descriptor?? [ 519.848976][ T94] hso 1-1:0.0: Failed to find BULK IN ep [ 519.908127][ T1806] hso 4-1:0.0: Failed to find BULK IN ep [ 519.918651][ T95] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 519.926182][ T95] CPU: 0 PID: 95 Comm: kworker/0:2 Not tainted 5.5.0-syzkaller #0 [ 519.933996][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 519.944205][ T95] Workqueue: usb_hub_wq hub_event [ 519.949307][ T95] Call Trace: [ 519.952599][ T95] dump_stack+0xef/0x16e [ 519.956848][ T95] sysfs_warn_dup.cold+0x1c/0x2d [ 519.961792][ T95] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 519.967937][ T95] sysfs_create_link+0x61/0xc0 [ 519.973210][ T95] device_add+0x756/0x1bf0 [ 519.977618][ T95] ? lockdep_init_map+0x1b0/0x5e0 [ 519.982636][ T95] ? device_link_remove+0x110/0x110 [ 519.987883][ T95] ? __init_waitqueue_head+0x31/0x90 [ 519.993174][ T95] tty_register_device_attr+0x341/0x6f0 [ 519.998757][ T95] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 520.004309][ T95] ? mark_held_locks+0x9f/0xe0 [ 520.009068][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.014863][ T95] ? tty_port_register_device_attr+0xb9/0x110 [ 520.020951][ T95] hso_serial_common_create+0x113/0x710 [ 520.026511][ T95] ? kasan_unpoison_shadow+0x30/0x40 [ 520.031800][ T95] hso_probe+0xc93/0x1b7b [ 520.036321][ T95] usb_probe_interface+0x310/0x800 [ 520.041665][ T95] ? usb_probe_device+0x140/0x140 [ 520.046786][ T95] really_probe+0x290/0xac0 [ 520.051314][ T95] driver_probe_device+0x223/0x350 [ 520.056527][ T95] __device_attach_driver+0x1d1/0x290 [ 520.061901][ T95] ? driver_allows_async_probing+0x160/0x160 [ 520.067923][ T95] bus_for_each_drv+0x162/0x1e0 [ 520.072787][ T95] ? bus_rescan_devices+0x20/0x20 [ 520.077807][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.083674][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 520.088959][ T95] __device_attach+0x217/0x390 [ 520.093807][ T95] ? device_bind_driver+0xd0/0xd0 [ 520.098834][ T95] bus_probe_device+0x1e4/0x290 [ 520.103800][ T95] device_add+0x1459/0x1bf0 [ 520.108297][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 520.109302][ T94] usb 4-1: USB disconnect, device number 2 [ 520.113596][ T95] ? device_link_remove+0x110/0x110 [ 520.113617][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.130521][ T95] usb_set_configuration+0xe47/0x17d0 [ 520.136013][ T95] generic_probe+0x9d/0xd5 [ 520.140453][ T95] usb_probe_device+0xaf/0x140 [ 520.145229][ T95] ? usb_suspend+0x5f0/0x5f0 [ 520.149831][ T95] really_probe+0x290/0xac0 [ 520.154439][ T95] driver_probe_device+0x223/0x350 executing program executing program [ 520.159549][ T95] __device_attach_driver+0x1d1/0x290 [ 520.164978][ T95] ? driver_allows_async_probing+0x160/0x160 [ 520.171113][ T95] bus_for_each_drv+0x162/0x1e0 [ 520.175967][ T95] ? bus_rescan_devices+0x20/0x20 [ 520.181119][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.186925][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 520.192215][ T95] __device_attach+0x217/0x390 [ 520.196985][ T95] ? device_bind_driver+0xd0/0xd0 [ 520.202160][ T95] bus_probe_device+0x1e4/0x290 [ 520.207025][ T95] device_add+0x1459/0x1bf0 [ 520.211651][ T95] ? device_link_remove+0x110/0x110 [ 520.216877][ T95] usb_new_device.cold+0x540/0xcd0 [ 520.221985][ T95] hub_event+0x21cb/0x4300 [ 520.226413][ T95] ? hub_port_debounce+0x350/0x350 [ 520.231537][ T95] ? find_held_lock+0x2d/0x110 [ 520.236306][ T95] ? mark_held_locks+0xe0/0xe0 [ 520.241074][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 520.246745][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 520.252207][ T95] process_one_work+0x94b/0x1620 executing program executing program [ 520.257347][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 520.262716][ T95] ? do_raw_spin_lock+0x129/0x290 [ 520.267814][ T95] worker_thread+0x96/0xe20 [ 520.272575][ T95] ? process_one_work+0x1620/0x1620 [ 520.277787][ T95] kthread+0x318/0x420 [ 520.281859][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 520.287217][ T95] ret_from_fork+0x24/0x30 [ 520.293334][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 520.301955][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-syzkaller #0 [ 520.310489][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 520.320555][ T12] Workqueue: usb_hub_wq hub_event [ 520.325570][ T12] Call Trace: [ 520.328848][ T12] dump_stack+0xef/0x16e [ 520.333077][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 520.338008][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 520.344196][ T12] sysfs_create_link+0x61/0xc0 [ 520.348966][ T12] device_add+0x756/0x1bf0 [ 520.353385][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 520.358580][ T12] ? device_link_remove+0x110/0x110 [ 520.363823][ T12] ? __init_waitqueue_head+0x31/0x90 [ 520.369104][ T12] tty_register_device_attr+0x341/0x6f0 [ 520.374748][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 520.380294][ T12] ? mark_held_locks+0x9f/0xe0 [ 520.385050][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.391005][ T12] ? tty_port_register_device_attr+0xb9/0x110 [ 520.397602][ T12] hso_serial_common_create+0x113/0x710 [ 520.403237][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 520.408524][ T12] hso_probe+0xc93/0x1b7b [ 520.413562][ T12] usb_probe_interface+0x310/0x800 [ 520.420839][ T12] ? usb_probe_device+0x140/0x140 [ 520.427335][ T12] really_probe+0x290/0xac0 [ 520.432094][ T12] driver_probe_device+0x223/0x350 [ 520.437277][ T12] __device_attach_driver+0x1d1/0x290 [ 520.443405][ T12] ? driver_allows_async_probing+0x160/0x160 [ 520.449427][ T12] bus_for_each_drv+0x162/0x1e0 [ 520.455284][ T12] ? bus_rescan_devices+0x20/0x20 executing program executing program [ 520.460310][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.466108][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 520.471440][ T12] __device_attach+0x217/0x390 [ 520.476212][ T12] ? device_bind_driver+0xd0/0xd0 [ 520.481531][ T12] bus_probe_device+0x1e4/0x290 [ 520.486447][ T12] device_add+0x1459/0x1bf0 [ 520.490990][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 520.496471][ T12] ? device_link_remove+0x110/0x110 [ 520.501686][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.507499][ T12] usb_set_configuration+0xe47/0x17d0 [ 520.513745][ T12] generic_probe+0x9d/0xd5 [ 520.518152][ T12] usb_probe_device+0xaf/0x140 [ 520.522904][ T12] ? usb_suspend+0x5f0/0x5f0 [ 520.527827][ T12] really_probe+0x290/0xac0 [ 520.532363][ T12] driver_probe_device+0x223/0x350 [ 520.537668][ T12] __device_attach_driver+0x1d1/0x290 [ 520.543124][ T12] ? driver_allows_async_probing+0x160/0x160 [ 520.549140][ T12] bus_for_each_drv+0x162/0x1e0 [ 520.554056][ T12] ? bus_rescan_devices+0x20/0x20 [ 520.559203][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.565016][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 520.570454][ T12] __device_attach+0x217/0x390 [ 520.575217][ T12] ? device_bind_driver+0xd0/0xd0 [ 520.580241][ T12] bus_probe_device+0x1e4/0x290 [ 520.585087][ T12] device_add+0x1459/0x1bf0 [ 520.589704][ T12] ? device_link_remove+0x110/0x110 [ 520.594895][ T12] usb_new_device.cold+0x540/0xcd0 [ 520.599998][ T12] hub_event+0x21cb/0x4300 [ 520.604512][ T12] ? hub_port_debounce+0x350/0x350 [ 520.609616][ T12] ? find_held_lock+0x2d/0x110 [ 520.614371][ T12] ? mark_held_locks+0xe0/0xe0 [ 520.619128][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 520.624669][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 520.629957][ T12] process_one_work+0x94b/0x1620 [ 520.634894][ T12] ? __wake_up_common+0x650/0x650 [ 520.639913][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 520.645811][ T12] worker_thread+0x96/0xe20 [ 520.651369][ T12] ? process_one_work+0x1620/0x1620 [ 520.656759][ T12] kthread+0x318/0x420 [ 520.660814][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 520.666177][ T12] ret_from_fork+0x24/0x30 [ 520.671158][ T1804] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 520.678671][ T1804] CPU: 0 PID: 1804 Comm: kworker/0:0 Not tainted 5.5.0-syzkaller #0 [ 520.686868][ T1804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 520.696923][ T1804] Workqueue: usb_hub_wq hub_event [ 520.702067][ T1804] Call Trace: [ 520.705533][ T1804] dump_stack+0xef/0x16e [ 520.710006][ T1804] sysfs_warn_dup.cold+0x1c/0x2d [ 520.714953][ T1804] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 520.721090][ T1804] sysfs_create_link+0x61/0xc0 [ 520.725865][ T1804] device_add+0x756/0x1bf0 [ 520.730294][ T1804] ? lockdep_init_map+0x1b0/0x5e0 [ 520.735323][ T1804] ? device_link_remove+0x110/0x110 [ 520.740530][ T1804] ? __init_waitqueue_head+0x31/0x90 [ 520.745920][ T1804] tty_register_device_attr+0x341/0x6f0 [ 520.751575][ T1804] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 520.757255][ T1804] ? mark_held_locks+0x9f/0xe0 [ 520.762018][ T1804] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.767907][ T1804] ? tty_port_register_device_attr+0xb9/0x110 [ 520.774070][ T1804] hso_serial_common_create+0x113/0x710 [ 520.779641][ T1804] ? kasan_unpoison_shadow+0x30/0x40 [ 520.784978][ T1804] hso_probe+0xc93/0x1b7b [ 520.789309][ T1804] usb_probe_interface+0x310/0x800 [ 520.794439][ T1804] ? usb_probe_device+0x140/0x140 [ 520.799460][ T1804] really_probe+0x290/0xac0 [ 520.803964][ T1804] driver_probe_device+0x223/0x350 [ 520.809097][ T1804] __device_attach_driver+0x1d1/0x290 [ 520.814479][ T1804] ? driver_allows_async_probing+0x160/0x160 [ 520.820587][ T1804] bus_for_each_drv+0x162/0x1e0 [ 520.825435][ T1804] ? bus_rescan_devices+0x20/0x20 [ 520.831299][ T1804] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.837106][ T1804] ? lockdep_hardirqs_on+0x382/0x580 [ 520.842632][ T1804] __device_attach+0x217/0x390 [ 520.847491][ T1804] ? device_bind_driver+0xd0/0xd0 [ 520.852510][ T1804] bus_probe_device+0x1e4/0x290 [ 520.857355][ T1804] device_add+0x1459/0x1bf0 [ 520.861849][ T1804] ? wait_for_completion+0x3c0/0x3c0 [ 520.867133][ T1804] ? device_link_remove+0x110/0x110 [ 520.872384][ T1804] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.878188][ T1804] usb_set_configuration+0xe47/0x17d0 [ 520.883564][ T1804] generic_probe+0x9d/0xd5 [ 520.887975][ T1804] usb_probe_device+0xaf/0x140 [ 520.892849][ T1804] ? usb_suspend+0x5f0/0x5f0 [ 520.897442][ T1804] really_probe+0x290/0xac0 [ 520.901938][ T1804] driver_probe_device+0x223/0x350 [ 520.907172][ T1804] __device_attach_driver+0x1d1/0x290 [ 520.912539][ T1804] ? driver_allows_async_probing+0x160/0x160 [ 520.918624][ T1804] bus_for_each_drv+0x162/0x1e0 [ 520.923473][ T1804] ? bus_rescan_devices+0x20/0x20 [ 520.928515][ T1804] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 520.934331][ T1804] ? lockdep_hardirqs_on+0x382/0x580 [ 520.939612][ T1804] __device_attach+0x217/0x390 [ 520.944377][ T1804] ? device_bind_driver+0xd0/0xd0 [ 520.949410][ T1804] bus_probe_device+0x1e4/0x290 [ 520.954436][ T1804] device_add+0x1459/0x1bf0 [ 520.958983][ T1804] ? device_link_remove+0x110/0x110 [ 520.964183][ T1804] usb_new_device.cold+0x540/0xcd0 [ 520.969356][ T1804] hub_event+0x21cb/0x4300 [ 520.973782][ T1804] ? hub_port_debounce+0x350/0x350 [ 520.978944][ T1804] ? find_held_lock+0x2d/0x110 [ 520.983699][ T1804] ? mark_held_locks+0xe0/0xe0 [ 520.988470][ T1804] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 520.994006][ T1804] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 520.999319][ T1804] process_one_work+0x94b/0x1620 [ 521.004374][ T1804] ? __wake_up_common+0x650/0x650 [ 521.009392][ T1804] ? pwq_dec_nr_in_flight+0x310/0x310 [ 521.014756][ T1804] worker_thread+0x96/0xe20 [ 521.019342][ T1804] ? process_one_work+0x1620/0x1620 [ 521.024537][ T1804] kthread+0x318/0x420 [ 521.028596][ T1804] ? kthread_create_on_node+0xf0/0xf0 [ 521.033967][ T1804] ret_from_fork+0x24/0x30 [ 521.039343][ T1805] hso 2-1:0.0: Failed to find BULK IN ep [ 521.048136][ T1805] usb 2-1: USB disconnect, device number 2 [ 521.055630][ T1804] hso 3-1:0.0: Failed to find BULK IN ep [ 521.062003][ T1804] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN [ 521.073011][ T1804] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 521.081409][ T1804] CPU: 0 PID: 1804 Comm: kworker/0:0 Not tainted 5.5.0-syzkaller #0 [ 521.089466][ T1804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 521.099585][ T1804] Workqueue: usb_hub_wq hub_event [ 521.104634][ T1804] RIP: 0010:cdev_del+0x22/0x90 [ 521.109393][ T1804] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 c6 d2 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 [ 521.128985][ T1804] RSP: 0018:ffff8881cdf0f258 EFLAGS: 00010207 [ 521.135169][ T1804] RAX: dffffc0000000000 RBX: ffff8881d5124400 RCX: ffffffff821539be [ 521.143131][ T1804] RDX: 000000000000000c RSI: ffffffff816c856d RDI: 0000000000000064 [ 521.151133][ T1804] RBP: 0000000000000000 R08: ffff8881cdf28000 R09: fffffbfff1265a8f [ 521.160139][ T1804] R10: fffffbfff1265a8e R11: ffffffff8932d477 R12: 0000000000000000 [ 521.168104][ T1804] R13: ffff8881d51af000 R14: ffff8881cd477000 R15: ffff8881cdf35070 [ 521.176065][ T1804] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 521.185000][ T1804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 521.191583][ T1804] CR2: 00000000004c44e8 CR3: 0000000007021000 CR4: 00000000001406f0 [ 521.199553][ T1804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 521.207683][ T1804] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 521.215644][ T1804] Call Trace: [ 521.218927][ T1804] tty_unregister_device+0x10d/0x1a0 [ 521.224202][ T1804] hso_probe.cold+0x6e/0x14c [ 521.228793][ T1804] usb_probe_interface+0x310/0x800 [ 521.233894][ T1804] ? usb_probe_device+0x140/0x140 [ 521.238937][ T1804] really_probe+0x290/0xac0 [ 521.243465][ T1804] driver_probe_device+0x223/0x350 [ 521.248590][ T1804] __device_attach_driver+0x1d1/0x290 [ 521.253958][ T1804] ? driver_allows_async_probing+0x160/0x160 [ 521.259930][ T1804] bus_for_each_drv+0x162/0x1e0 [ 521.264769][ T1804] ? bus_rescan_devices+0x20/0x20 [ 521.269780][ T1804] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 521.275695][ T1804] ? lockdep_hardirqs_on+0x382/0x580 [ 521.280967][ T1804] __device_attach+0x217/0x390 [ 521.285718][ T1804] ? device_bind_driver+0xd0/0xd0 [ 521.290730][ T1804] bus_probe_device+0x1e4/0x290 [ 521.295671][ T1804] device_add+0x1459/0x1bf0 [ 521.300342][ T1804] ? wait_for_completion+0x3c0/0x3c0 [ 521.305628][ T1804] ? device_link_remove+0x110/0x110 [ 521.311424][ T1804] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 521.317215][ T1804] usb_set_configuration+0xe47/0x17d0 [ 521.322685][ T1804] generic_probe+0x9d/0xd5 [ 521.327092][ T1804] usb_probe_device+0xaf/0x140 [ 521.331842][ T1804] ? usb_suspend+0x5f0/0x5f0 [ 521.336421][ T1804] really_probe+0x290/0xac0 [ 521.341077][ T1804] driver_probe_device+0x223/0x350 [ 521.346186][ T1804] __device_attach_driver+0x1d1/0x290 [ 521.351552][ T1804] ? driver_allows_async_probing+0x160/0x160 [ 521.357521][ T1804] bus_for_each_drv+0x162/0x1e0 [ 521.362366][ T1804] ? bus_rescan_devices+0x20/0x20 [ 521.367775][ T1804] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 521.375312][ T1804] ? lockdep_hardirqs_on+0x382/0x580 [ 521.380654][ T1804] __device_attach+0x217/0x390 [ 521.385526][ T1804] ? device_bind_driver+0xd0/0xd0 [ 521.390601][ T1804] bus_probe_device+0x1e4/0x290 [ 521.395440][ T1804] device_add+0x1459/0x1bf0 [ 521.399936][ T1804] ? device_link_remove+0x110/0x110 [ 521.405221][ T1804] usb_new_device.cold+0x540/0xcd0 [ 521.410602][ T1804] hub_event+0x21cb/0x4300 [ 521.415147][ T1804] ? hub_port_debounce+0x350/0x350 [ 521.420248][ T1804] ? find_held_lock+0x2d/0x110 [ 521.425053][ T1804] ? mark_held_locks+0xe0/0xe0 [ 521.429824][ T1804] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 521.435381][ T1804] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 521.440658][ T1804] process_one_work+0x94b/0x1620 [ 521.445596][ T1804] ? __wake_up_common+0x650/0x650 [ 521.450617][ T1804] ? pwq_dec_nr_in_flight+0x310/0x310 [ 521.456017][ T1804] worker_thread+0x96/0xe20 [ 521.460673][ T1804] ? process_one_work+0x1620/0x1620 [ 521.465870][ T1804] kthread+0x318/0x420 [ 521.470090][ T1804] ? kthread_create_on_node+0xf0/0xf0 [ 521.475561][ T1804] ret_from_fork+0x24/0x30 [ 521.479962][ T1804] Modules linked in: [ 521.483977][ T1804] ---[ end trace 8d6d14151f4765ef ]--- [ 521.489524][ T1804] RIP: 0010:cdev_del+0x22/0x90 [ 521.494290][ T1804] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 c6 d2 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 [ 521.514058][ T1804] RSP: 0018:ffff8881cdf0f258 EFLAGS: 00010207 [ 521.520148][ T1804] RAX: dffffc0000000000 RBX: ffff8881d5124400 RCX: ffffffff821539be [ 521.528154][ T1804] RDX: 000000000000000c RSI: ffffffff816c856d RDI: 0000000000000064 [ 521.536300][ T1804] RBP: 0000000000000000 R08: ffff8881cdf28000 R09: fffffbfff1265a8f [ 521.544302][ T1804] R10: fffffbfff1265a8e R11: ffffffff8932d477 R12: 0000000000000000 [ 521.552396][ T1804] R13: ffff8881d51af000 R14: ffff8881cd477000 R15: ffff8881cdf35070 [ 521.560402][ T1804] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 521.569507][ T1804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 521.576099][ T1804] CR2: 00000000004c44e8 CR3: 0000000007021000 CR4: 00000000001406f0 [ 521.584173][ T1804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 521.592284][ T1804] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 521.600402][ T1804] Kernel panic - not syncing: Fatal exception [ 521.607202][ T1804] Kernel Offset: disabled [ 521.611644][ T1804] Rebooting in 86400 seconds..