Warning: Permanently added '10.128.0.233' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 24.013948][ T285] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 24.013957][ T12] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 24.029138][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.033927][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 24.044710][ T21] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 24.052238][ T83] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 24.124229][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 24.129529][ T12] usb 2-1: Using ep0 maxpacket: 32 [ 24.144031][ T285] usb 6-1: Using ep0 maxpacket: 32 [ 24.163956][ T21] usb 5-1: Using ep0 maxpacket: 32 [ 24.169245][ T83] usb 3-1: Using ep0 maxpacket: 32 [ 24.175325][ T17] usb 4-1: Using ep0 maxpacket: 32 [ 24.243901][ T95] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 24.253206][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.261476][ T12] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 24.270764][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.280426][ T95] usb 1-1: config 0 descriptor?? [ 24.283959][ T285] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 24.292328][ T12] usb 2-1: config 0 descriptor?? [ 24.294639][ T285] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.303942][ T83] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 24.317366][ T83] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.325538][ T17] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 24.334610][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.342650][ T21] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 24.351718][ T21] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.361265][ T285] usb 6-1: config 0 descriptor?? [ 24.368208][ T17] usb 4-1: config 0 descriptor?? [ 24.375157][ T21] usb 5-1: config 0 descriptor?? [ 24.381524][ T83] usb 3-1: config 0 descriptor?? [ 24.544881][ T95] hso 1-1:0.0: Failed to find BULK IN ep [ 24.564203][ T12] hso 2-1:0.0: Failed to find BULK IN ep [ 24.614477][ T17] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 24.621965][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.6.0-rc7-syzkaller #0 [ 24.630252][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.640311][ T17] Workqueue: usb_hub_wq hub_event [ 24.645375][ T17] Call Trace: [ 24.648772][ T17] dump_stack+0xef/0x16e [ 24.653072][ T17] sysfs_warn_dup.cold+0x1c/0x2d [ 24.658008][ T17] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 24.664074][ T17] sysfs_create_link+0x61/0xc0 [ 24.668825][ T17] device_add+0x756/0x1bf0 [ 24.673284][ T17] ? lockdep_init_map+0x1b0/0x5e0 [ 24.678314][ T17] ? device_link_remove+0x110/0x110 [ 24.683504][ T17] ? __init_waitqueue_head+0x31/0x90 [ 24.688816][ T17] tty_register_device_attr+0x341/0x6f0 [ 24.694397][ T17] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 24.699926][ T17] ? mark_held_locks+0x9f/0xe0 [ 24.704678][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.710473][ T17] ? tty_port_register_device_attr+0xb9/0x110 [ 24.716519][ T17] hso_serial_common_create+0x113/0x710 [ 24.722048][ T17] ? kasan_unpoison_shadow+0x30/0x40 [ 24.727359][ T17] hso_probe+0xc93/0x1b7b [ 24.731767][ T17] usb_probe_interface+0x310/0x800 [ 24.736865][ T17] ? usb_probe_device+0x230/0x230 [ 24.741878][ T17] really_probe+0x290/0xac0 [ 24.746393][ T17] driver_probe_device+0x223/0x350 [ 24.751483][ T17] __device_attach_driver+0x1d1/0x290 [ 24.756839][ T17] ? driver_allows_async_probing+0x160/0x160 [ 24.762807][ T17] bus_for_each_drv+0x162/0x1e0 [ 24.767638][ T17] ? bus_rescan_devices+0x20/0x20 [ 24.772652][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.778446][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 24.783893][ T17] __device_attach+0x217/0x390 [ 24.788651][ T17] ? device_bind_driver+0xd0/0xd0 [ 24.793669][ T17] bus_probe_device+0x1e4/0x290 [ 24.798508][ T17] device_add+0x1459/0x1bf0 [ 24.803010][ T17] ? wait_for_completion+0x3c0/0x3c0 [ 24.808279][ T17] ? device_link_remove+0x110/0x110 executing program executing program [ 24.813475][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.819284][ T17] usb_set_configuration+0xece/0x1840 [ 24.824694][ T17] usb_generic_driver_probe+0x9d/0xe0 [ 24.830081][ T17] usb_probe_device+0xd9/0x230 [ 24.834830][ T17] ? usb_suspend+0x5f0/0x5f0 [ 24.839399][ T17] really_probe+0x290/0xac0 [ 24.843899][ T17] driver_probe_device+0x223/0x350 [ 24.849031][ T17] __device_attach_driver+0x1d1/0x290 [ 24.854492][ T17] ? driver_allows_async_probing+0x160/0x160 [ 24.860477][ T17] bus_for_each_drv+0x162/0x1e0 [ 24.865334][ T17] ? bus_rescan_devices+0x20/0x20 [ 24.870365][ T17] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.876173][ T17] ? lockdep_hardirqs_on+0x382/0x580 [ 24.881464][ T17] __device_attach+0x217/0x390 [ 24.886208][ T17] ? device_bind_driver+0xd0/0xd0 [ 24.891212][ T17] bus_probe_device+0x1e4/0x290 [ 24.896041][ T17] device_add+0x1459/0x1bf0 [ 24.900540][ T17] ? device_link_remove+0x110/0x110 [ 24.905742][ T17] usb_new_device.cold+0x540/0xcd0 [ 24.910873][ T17] hub_event+0x21cb/0x4300 [ 24.915288][ T17] ? hub_port_debounce+0x350/0x350 [ 24.920376][ T17] ? find_held_lock+0x2d/0x110 [ 24.925120][ T17] ? mark_held_locks+0xe0/0xe0 [ 24.929873][ T17] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 24.935408][ T17] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 24.940672][ T17] process_one_work+0x94b/0x1620 [ 24.945588][ T17] ? pwq_dec_nr_in_flight+0x310/0x310 [ 24.950938][ T17] ? do_raw_spin_lock+0x129/0x290 [ 24.955939][ T17] worker_thread+0x96/0xe20 [ 24.960428][ T17] ? process_one_work+0x1620/0x1620 executing program executing program [ 24.965617][ T17] kthread+0x318/0x420 [ 24.969676][ T17] ? kthread_create_on_node+0xf0/0xf0 [ 24.975054][ T17] ret_from_fork+0x24/0x30 [ 24.981817][ T21] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 24.989699][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.6.0-rc7-syzkaller #0 [ 24.997855][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.007956][ T21] Workqueue: usb_hub_wq hub_event [ 25.012977][ T21] Call Trace: [ 25.016274][ T21] dump_stack+0xef/0x16e [ 25.020524][ T21] sysfs_warn_dup.cold+0x1c/0x2d [ 25.025477][ T21] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 25.031552][ T21] sysfs_create_link+0x61/0xc0 [ 25.036311][ T21] device_add+0x756/0x1bf0 [ 25.040720][ T21] ? lockdep_init_map+0x1b0/0x5e0 [ 25.045736][ T21] ? device_link_remove+0x110/0x110 [ 25.050914][ T21] ? __init_waitqueue_head+0x31/0x90 [ 25.056186][ T21] tty_register_device_attr+0x341/0x6f0 [ 25.061707][ T21] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 25.067226][ T21] ? mark_held_locks+0x9f/0xe0 [ 25.071967][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.077751][ T21] ? tty_port_register_device_attr+0xb9/0x110 [ 25.083793][ T21] hso_serial_common_create+0x113/0x710 [ 25.089315][ T21] ? kasan_unpoison_shadow+0x30/0x40 [ 25.094573][ T21] hso_probe+0xc93/0x1b7b [ 25.098894][ T21] usb_probe_interface+0x310/0x800 [ 25.103985][ T21] ? usb_probe_device+0x230/0x230 [ 25.108991][ T21] really_probe+0x290/0xac0 [ 25.113470][ T21] driver_probe_device+0x223/0x350 [ 25.118563][ T21] __device_attach_driver+0x1d1/0x290 [ 25.123921][ T21] ? driver_allows_async_probing+0x160/0x160 [ 25.129880][ T21] bus_for_each_drv+0x162/0x1e0 [ 25.134710][ T21] ? bus_rescan_devices+0x20/0x20 [ 25.139719][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.145511][ T21] ? lockdep_hardirqs_on+0x382/0x580 [ 25.150777][ T21] __device_attach+0x217/0x390 [ 25.155527][ T21] ? device_bind_driver+0xd0/0xd0 [ 25.160526][ T21] bus_probe_device+0x1e4/0x290 executing program [ 25.165352][ T21] device_add+0x1459/0x1bf0 [ 25.169832][ T21] ? wait_for_completion+0x3c0/0x3c0 [ 25.175106][ T21] ? device_link_remove+0x110/0x110 [ 25.180303][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.186100][ T21] usb_set_configuration+0xece/0x1840 [ 25.191472][ T21] usb_generic_driver_probe+0x9d/0xe0 [ 25.196849][ T21] usb_probe_device+0xd9/0x230 [ 25.201620][ T21] ? usb_suspend+0x5f0/0x5f0 [ 25.206204][ T21] really_probe+0x290/0xac0 [ 25.210688][ T21] driver_probe_device+0x223/0x350 [ 25.215791][ T21] __device_attach_driver+0x1d1/0x290 [ 25.221145][ T21] ? driver_allows_async_probing+0x160/0x160 [ 25.227105][ T21] bus_for_each_drv+0x162/0x1e0 [ 25.231943][ T21] ? bus_rescan_devices+0x20/0x20 [ 25.236965][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.242768][ T21] ? lockdep_hardirqs_on+0x382/0x580 [ 25.248046][ T21] __device_attach+0x217/0x390 [ 25.252797][ T21] ? device_bind_driver+0xd0/0xd0 [ 25.257820][ T21] bus_probe_device+0x1e4/0x290 [ 25.262657][ T21] device_add+0x1459/0x1bf0 [ 25.267192][ T21] ? device_link_remove+0x110/0x110 [ 25.272380][ T21] usb_new_device.cold+0x540/0xcd0 [ 25.277470][ T21] hub_event+0x21cb/0x4300 [ 25.281951][ T21] ? hub_port_debounce+0x350/0x350 [ 25.287038][ T21] ? find_held_lock+0x2d/0x110 [ 25.291793][ T21] ? mark_held_locks+0xe0/0xe0 [ 25.296548][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.302082][ T21] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.307344][ T21] process_one_work+0x94b/0x1620 [ 25.312260][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.317705][ T21] ? do_raw_spin_lock+0x129/0x290 [ 25.322714][ T21] worker_thread+0x96/0xe20 [ 25.327204][ T21] ? process_one_work+0x1620/0x1620 [ 25.332381][ T21] kthread+0x318/0x420 [ 25.336428][ T21] ? kthread_create_on_node+0xf0/0xf0 [ 25.341795][ T21] ret_from_fork+0x24/0x30 [ 25.346945][ T83] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 25.354481][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.6.0-rc7-syzkaller #0 [ 25.362641][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.372703][ T83] Workqueue: usb_hub_wq hub_event [ 25.377716][ T83] Call Trace: [ 25.380991][ T83] dump_stack+0xef/0x16e [ 25.385216][ T83] sysfs_warn_dup.cold+0x1c/0x2d [ 25.390134][ T83] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 25.396177][ T83] sysfs_create_link+0x61/0xc0 [ 25.400920][ T83] device_add+0x756/0x1bf0 [ 25.405318][ T83] ? lockdep_init_map+0x1b0/0x5e0 [ 25.410327][ T83] ? device_link_remove+0x110/0x110 [ 25.415519][ T83] ? __init_waitqueue_head+0x31/0x90 [ 25.420813][ T83] tty_register_device_attr+0x341/0x6f0 [ 25.426347][ T83] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 25.431878][ T83] ? mark_held_locks+0x9f/0xe0 [ 25.436742][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.442544][ T83] ? tty_port_register_device_attr+0xb9/0x110 [ 25.448594][ T83] hso_serial_common_create+0x113/0x710 [ 25.454125][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 25.459393][ T83] hso_probe+0xc93/0x1b7b [ 25.463708][ T83] usb_probe_interface+0x310/0x800 [ 25.468800][ T83] ? usb_probe_device+0x230/0x230 [ 25.473801][ T83] really_probe+0x290/0xac0 [ 25.478284][ T83] driver_probe_device+0x223/0x350 [ 25.483386][ T83] __device_attach_driver+0x1d1/0x290 [ 25.488754][ T83] ? driver_allows_async_probing+0x160/0x160 [ 25.494740][ T83] bus_for_each_drv+0x162/0x1e0 [ 25.499581][ T83] ? bus_rescan_devices+0x20/0x20 [ 25.504601][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.510441][ T83] ? lockdep_hardirqs_on+0x382/0x580 executing program [ 25.515731][ T83] __device_attach+0x217/0x390 [ 25.520523][ T83] ? device_bind_driver+0xd0/0xd0 [ 25.525530][ T83] bus_probe_device+0x1e4/0x290 [ 25.530361][ T83] device_add+0x1459/0x1bf0 [ 25.534851][ T83] ? wait_for_completion+0x3c0/0x3c0 [ 25.540128][ T83] ? device_link_remove+0x110/0x110 [ 25.545328][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.551118][ T83] usb_set_configuration+0xece/0x1840 [ 25.556486][ T83] usb_generic_driver_probe+0x9d/0xe0 [ 25.561969][ T83] usb_probe_device+0xd9/0x230 [ 25.566744][ T83] ? usb_suspend+0x5f0/0x5f0 [ 25.571335][ T83] really_probe+0x290/0xac0 [ 25.575843][ T83] driver_probe_device+0x223/0x350 [ 25.580958][ T83] __device_attach_driver+0x1d1/0x290 [ 25.586311][ T83] ? driver_allows_async_probing+0x160/0x160 [ 25.592276][ T83] bus_for_each_drv+0x162/0x1e0 [ 25.597110][ T83] ? bus_rescan_devices+0x20/0x20 [ 25.602117][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.607901][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 25.613161][ T83] __device_attach+0x217/0x390 [ 25.617993][ T83] ? device_bind_driver+0xd0/0xd0 [ 25.623036][ T83] bus_probe_device+0x1e4/0x290 [ 25.627877][ T83] device_add+0x1459/0x1bf0 [ 25.632374][ T83] ? device_link_remove+0x110/0x110 [ 25.637592][ T83] usb_new_device.cold+0x540/0xcd0 [ 25.642686][ T83] hub_event+0x21cb/0x4300 [ 25.647078][ T83] ? hub_port_debounce+0x350/0x350 [ 25.652175][ T83] ? find_held_lock+0x2d/0x110 [ 25.656933][ T83] ? mark_held_locks+0xe0/0xe0 [ 25.661673][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.667240][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.672504][ T83] process_one_work+0x94b/0x1620 [ 25.677428][ T83] ? __wake_up_common+0x650/0x650 [ 25.682442][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.687795][ T83] worker_thread+0x96/0xe20 [ 25.692318][ T83] ? process_one_work+0x1620/0x1620 [ 25.697496][ T83] kthread+0x318/0x420 [ 25.701550][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 25.706906][ T83] ret_from_fork+0x24/0x30 [ 25.711793][ T285] hso 6-1:0.0: Failed to find BULK IN ep [ 25.720943][ T285] usb 6-1: USB disconnect, device number 2 [ 25.727106][ T21] hso 5-1:0.0: Failed to find BULK IN ep [ 25.732919][ T21] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN [ 25.743931][ T21] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 25.752336][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.6.0-rc7-syzkaller #0 [ 25.760473][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.770517][ T21] Workqueue: usb_hub_wq hub_event [ 25.775522][ T21] RIP: 0010:cdev_del+0x22/0x90 [ 25.780261][ T21] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 73 84 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 [ 25.799844][ T21] RSP: 0018:ffff8881da317240 EFLAGS: 00010207 [ 25.805921][ T21] RAX: dffffc0000000000 RBX: ffff8881d56e9900 RCX: ffffffff8216a8ce [ 25.813902][ T21] RDX: 000000000000000c RSI: ffffffff816cd3ad RDI: 0000000000000064 [ 25.821855][ T21] RBP: 0000000000000000 R08: ffff8881da24e200 R09: fffffbfff126648f [ 25.829811][ T21] R10: fffffbfff126648e R11: ffffffff89332477 R12: 0000000000000000 [ 25.837760][ T21] R13: ffff8881d51e9000 R14: ffff8881cc611000 R15: ffff8881ccfa0070 [ 25.845717][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 25.854631][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.861284][ T21] CR2: 00000000004c45e8 CR3: 0000000007021000 CR4: 00000000001406e0 [ 25.869243][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.877193][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.885267][ T21] Call Trace: [ 25.888654][ T21] tty_unregister_device+0x10d/0x1a0 [ 25.893955][ T21] hso_probe.cold+0x6e/0x14c [ 25.898579][ T21] usb_probe_interface+0x310/0x800 [ 25.903712][ T21] ? usb_probe_device+0x230/0x230 [ 25.908714][ T21] really_probe+0x290/0xac0 [ 25.913212][ T21] driver_probe_device+0x223/0x350 [ 25.918304][ T21] __device_attach_driver+0x1d1/0x290 [ 25.923658][ T21] ? driver_allows_async_probing+0x160/0x160 [ 25.929628][ T21] bus_for_each_drv+0x162/0x1e0 [ 25.934462][ T21] ? bus_rescan_devices+0x20/0x20 [ 25.939470][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.945266][ T21] ? lockdep_hardirqs_on+0x382/0x580 [ 25.950533][ T21] __device_attach+0x217/0x390 [ 25.955280][ T21] ? device_bind_driver+0xd0/0xd0 [ 25.960294][ T21] bus_probe_device+0x1e4/0x290 [ 25.965127][ T21] device_add+0x1459/0x1bf0 [ 25.969613][ T21] ? wait_for_completion+0x3c0/0x3c0 [ 25.974876][ T21] ? device_link_remove+0x110/0x110 [ 25.980089][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.985885][ T21] usb_set_configuration+0xece/0x1840 [ 25.991247][ T21] usb_generic_driver_probe+0x9d/0xe0 [ 25.996601][ T21] usb_probe_device+0xd9/0x230 [ 26.001354][ T21] ? usb_suspend+0x5f0/0x5f0 [ 26.006019][ T21] really_probe+0x290/0xac0 [ 26.010498][ T21] driver_probe_device+0x223/0x350 [ 26.015759][ T21] __device_attach_driver+0x1d1/0x290 [ 26.021124][ T21] ? driver_allows_async_probing+0x160/0x160 [ 26.027092][ T21] bus_for_each_drv+0x162/0x1e0 [ 26.031932][ T21] ? bus_rescan_devices+0x20/0x20 [ 26.036948][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.042821][ T21] ? lockdep_hardirqs_on+0x382/0x580 [ 26.048138][ T21] __device_attach+0x217/0x390 [ 26.052878][ T21] ? device_bind_driver+0xd0/0xd0 [ 26.057890][ T21] bus_probe_device+0x1e4/0x290 [ 26.062726][ T21] device_add+0x1459/0x1bf0 [ 26.067211][ T21] ? device_link_remove+0x110/0x110 [ 26.072485][ T21] usb_new_device.cold+0x540/0xcd0 [ 26.077571][ T21] hub_event+0x21cb/0x4300 [ 26.081977][ T21] ? hub_port_debounce+0x350/0x350 [ 26.087062][ T21] ? find_held_lock+0x2d/0x110 [ 26.091801][ T21] ? mark_held_locks+0xe0/0xe0 [ 26.096543][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.102066][ T21] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.107333][ T21] process_one_work+0x94b/0x1620 [ 26.112257][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.117633][ T21] ? do_raw_spin_lock+0x129/0x290 [ 26.122659][ T21] worker_thread+0x96/0xe20 [ 26.127167][ T21] ? process_one_work+0x1620/0x1620 [ 26.132349][ T21] kthread+0x318/0x420 [ 26.136400][ T21] ? kthread_create_on_node+0xf0/0xf0 [ 26.141758][ T21] ret_from_fork+0x24/0x30 [ 26.146151][ T21] Modules linked in: [ 26.150082][ T21] ---[ end trace 7e24408691805830 ]--- [ 26.155567][ T21] RIP: 0010:cdev_del+0x22/0x90 [ 26.160327][ T21] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 73 84 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 [ 26.180480][ T21] RSP: 0018:ffff8881da317240 EFLAGS: 00010207 [ 26.186596][ T21] RAX: dffffc0000000000 RBX: ffff8881d56e9900 RCX: ffffffff8216a8ce [ 26.194592][ T21] RDX: 000000000000000c RSI: ffffffff816cd3ad RDI: 0000000000000064 [ 26.202588][ T21] RBP: 0000000000000000 R08: ffff8881da24e200 R09: fffffbfff126648f [ 26.210549][ T21] R10: fffffbfff126648e R11: ffffffff89332477 R12: 0000000000000000 [ 26.218530][ T21] R13: ffff8881d51e9000 R14: ffff8881cc611000 R15: ffff8881ccfa0070 [ 26.226520][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 26.235483][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.242098][ T21] CR2: 00000000004c45e8 CR3: 0000000007021000 CR4: 00000000001406e0 [ 26.250063][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.258062][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.266060][ T21] Kernel panic - not syncing: Fatal exception [ 26.273303][ T21] Kernel Offset: disabled [ 26.277624][ T21] Rebooting in 86400 seconds..