Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 37.003992][ T95] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 37.004000][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.004356][ T12] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 37.027215][ T362] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 37.034791][ T368] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 37.042355][ T5] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 37.104087][ T22] usb 1-1: Using ep0 maxpacket: 32 [ 37.104320][ T95] usb 6-1: Using ep0 maxpacket: 32 [ 37.134294][ T368] usb 5-1: Using ep0 maxpacket: 32 [ 37.154070][ T12] usb 3-1: Using ep0 maxpacket: 32 [ 37.159435][ T362] usb 4-1: Using ep0 maxpacket: 32 [ 37.164666][ T5] usb 2-1: Using ep0 maxpacket: 32 [ 37.224092][ T22] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.233273][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.244148][ T95] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.247359][ T22] usb 1-1: config 0 descriptor?? [ 37.253335][ T95] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.266639][ T368] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.275894][ T368] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.284147][ T5] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.293361][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.304731][ T5] usb 2-1: config 0 descriptor?? [ 37.313469][ T368] usb 5-1: config 0 descriptor?? [ 37.323171][ T95] usb 6-1: config 0 descriptor?? [ 37.328393][ T362] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.337639][ T362] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.345997][ T12] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.355414][ T12] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.366530][ T12] usb 3-1: config 0 descriptor?? [ 37.373101][ T362] usb 4-1: config 0 descriptor?? [ 37.515096][ T22] hso 1-1:0.0: Failed to find BULK IN ep [ 37.584596][ T5] hso 2-1:0.0: Failed to find BULK IN ep [ 37.624812][ T12] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 37.632411][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.6.0-rc7-syzkaller #0 [ 37.640570][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.650622][ T12] Workqueue: usb_hub_wq hub_event [ 37.655630][ T12] Call Trace: [ 37.659035][ T12] dump_stack+0xef/0x16e [ 37.663354][ T12] sysfs_warn_dup.cold+0x1c/0x2d [ 37.668292][ T12] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 37.674357][ T12] sysfs_create_link+0x61/0xc0 [ 37.679140][ T12] device_add+0x756/0x1bf0 [ 37.683577][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 37.688600][ T12] ? device_link_remove+0x110/0x110 [ 37.694220][ T12] ? __init_waitqueue_head+0x31/0x90 [ 37.699501][ T12] tty_register_device_attr+0x341/0x6f0 [ 37.705036][ T12] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 37.710597][ T12] ? mark_held_locks+0x9f/0xe0 [ 37.715461][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 executing program [ 37.716516][ T22] usb 1-1: USB disconnect, device number 2 [ 37.721326][ T12] ? tty_port_register_device_attr+0xb9/0x110 [ 37.733303][ T12] hso_serial_common_create+0x113/0x710 [ 37.738870][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 37.744269][ T12] hso_probe+0xc93/0x1b7b [ 37.748612][ T12] usb_probe_interface+0x310/0x800 [ 37.753741][ T12] ? usb_probe_device+0x230/0x230 [ 37.758809][ T12] really_probe+0x290/0xac0 [ 37.763424][ T12] driver_probe_device+0x223/0x350 [ 37.768560][ T12] __device_attach_driver+0x1d1/0x290 executing program [ 37.773948][ T12] ? driver_allows_async_probing+0x160/0x160 [ 37.780258][ T12] bus_for_each_drv+0x162/0x1e0 [ 37.785115][ T12] ? bus_rescan_devices+0x20/0x20 [ 37.785973][ T83] usb 2-1: USB disconnect, device number 2 [ 37.790240][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.790259][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 37.807237][ T12] __device_attach+0x217/0x390 [ 37.812140][ T12] ? device_bind_driver+0xd0/0xd0 [ 37.817186][ T12] bus_probe_device+0x1e4/0x290 [ 37.822055][ T12] device_add+0x1459/0x1bf0 [ 37.826582][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 37.831873][ T12] ? device_link_remove+0x110/0x110 [ 37.837070][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.842863][ T12] usb_set_configuration+0xece/0x1840 [ 37.848226][ T12] usb_generic_driver_probe+0x9d/0xe0 [ 37.853585][ T12] usb_probe_device+0xd9/0x230 [ 37.858333][ T12] ? usb_suspend+0x5f0/0x5f0 [ 37.862902][ T12] really_probe+0x290/0xac0 [ 37.867421][ T12] driver_probe_device+0x223/0x350 [ 37.872514][ T12] __device_attach_driver+0x1d1/0x290 [ 37.877884][ T12] ? driver_allows_async_probing+0x160/0x160 [ 37.883845][ T12] bus_for_each_drv+0x162/0x1e0 [ 37.888693][ T12] ? bus_rescan_devices+0x20/0x20 [ 37.893705][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 37.900303][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 37.905588][ T12] __device_attach+0x217/0x390 [ 37.910350][ T12] ? device_bind_driver+0xd0/0xd0 [ 37.915395][ T12] bus_probe_device+0x1e4/0x290 [ 37.920243][ T12] device_add+0x1459/0x1bf0 [ 37.924758][ T12] ? device_link_remove+0x110/0x110 [ 37.930117][ T12] usb_new_device.cold+0x540/0xcd0 [ 37.935233][ T12] hub_event+0x21cb/0x4300 [ 37.939734][ T12] ? hub_port_debounce+0x350/0x350 [ 37.944855][ T12] ? find_held_lock+0x2d/0x110 [ 37.949601][ T12] ? mark_held_locks+0xe0/0xe0 [ 37.954494][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 37.960035][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 37.965303][ T12] process_one_work+0x94b/0x1620 [ 37.970318][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 executing program executing program executing program [ 37.975672][ T12] ? do_raw_spin_lock+0x129/0x290 [ 37.980710][ T12] worker_thread+0x96/0xe20 [ 37.985199][ T12] ? process_one_work+0x1620/0x1620 [ 37.990393][ T12] kthread+0x318/0x420 [ 37.994464][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 37.999821][ T12] ret_from_fork+0x24/0x30 [ 38.005139][ T368] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 38.012631][ T368] CPU: 0 PID: 368 Comm: kworker/0:4 Not tainted 5.6.0-rc7-syzkaller #0 [ 38.020871][ T368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.031138][ T368] Workqueue: usb_hub_wq hub_event [ 38.036176][ T368] Call Trace: [ 38.039580][ T368] dump_stack+0xef/0x16e [ 38.043847][ T368] sysfs_warn_dup.cold+0x1c/0x2d [ 38.048817][ T368] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 38.054994][ T368] sysfs_create_link+0x61/0xc0 [ 38.059997][ T368] device_add+0x756/0x1bf0 [ 38.064473][ T368] ? lockdep_init_map+0x1b0/0x5e0 [ 38.069517][ T368] ? device_link_remove+0x110/0x110 [ 38.074812][ T368] ? __init_waitqueue_head+0x31/0x90 [ 38.080250][ T368] tty_register_device_attr+0x341/0x6f0 [ 38.085808][ T368] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 38.092277][ T368] ? mark_held_locks+0x9f/0xe0 [ 38.097061][ T368] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.103222][ T368] ? tty_port_register_device_attr+0xb9/0x110 [ 38.109369][ T368] hso_serial_common_create+0x113/0x710 [ 38.115189][ T368] ? kasan_unpoison_shadow+0x30/0x40 [ 38.120468][ T368] hso_probe+0xc93/0x1b7b [ 38.125210][ T368] usb_probe_interface+0x310/0x800 [ 38.130432][ T368] ? usb_probe_device+0x230/0x230 [ 38.135892][ T368] really_probe+0x290/0xac0 [ 38.140448][ T368] driver_probe_device+0x223/0x350 [ 38.145709][ T368] __device_attach_driver+0x1d1/0x290 [ 38.151466][ T368] ? driver_allows_async_probing+0x160/0x160 [ 38.157541][ T368] bus_for_each_drv+0x162/0x1e0 [ 38.162494][ T368] ? bus_rescan_devices+0x20/0x20 [ 38.167518][ T368] ? _raw_spin_unlock_irqrestore+0x39/0x40 executing program [ 38.173685][ T368] ? lockdep_hardirqs_on+0x382/0x580 [ 38.179053][ T368] __device_attach+0x217/0x390 [ 38.183813][ T368] ? device_bind_driver+0xd0/0xd0 [ 38.188941][ T368] bus_probe_device+0x1e4/0x290 [ 38.193781][ T368] device_add+0x1459/0x1bf0 [ 38.198347][ T368] ? wait_for_completion+0x3c0/0x3c0 [ 38.203623][ T368] ? device_link_remove+0x110/0x110 [ 38.208949][ T368] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.214795][ T368] usb_set_configuration+0xece/0x1840 [ 38.221168][ T368] usb_generic_driver_probe+0x9d/0xe0 [ 38.226561][ T368] usb_probe_device+0xd9/0x230 [ 38.231347][ T368] ? usb_suspend+0x5f0/0x5f0 [ 38.236035][ T368] really_probe+0x290/0xac0 [ 38.240541][ T368] driver_probe_device+0x223/0x350 [ 38.245637][ T368] __device_attach_driver+0x1d1/0x290 [ 38.251183][ T368] ? driver_allows_async_probing+0x160/0x160 [ 38.257464][ T368] bus_for_each_drv+0x162/0x1e0 [ 38.262405][ T368] ? bus_rescan_devices+0x20/0x20 [ 38.267482][ T368] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.273290][ T368] ? lockdep_hardirqs_on+0x382/0x580 [ 38.278753][ T368] __device_attach+0x217/0x390 [ 38.283783][ T368] ? device_bind_driver+0xd0/0xd0 [ 38.288821][ T368] bus_probe_device+0x1e4/0x290 [ 38.293696][ T368] device_add+0x1459/0x1bf0 [ 38.298231][ T368] ? device_link_remove+0x110/0x110 [ 38.303434][ T368] usb_new_device.cold+0x540/0xcd0 [ 38.308551][ T368] hub_event+0x21cb/0x4300 [ 38.313003][ T368] ? hub_port_debounce+0x350/0x350 [ 38.318115][ T368] ? find_held_lock+0x2d/0x110 [ 38.322933][ T368] ? mark_held_locks+0xe0/0xe0 [ 38.327730][ T368] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 38.333293][ T368] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 38.338711][ T368] process_one_work+0x94b/0x1620 [ 38.343641][ T368] ? __wake_up_common+0x650/0x650 [ 38.348663][ T368] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.354976][ T368] worker_thread+0x96/0xe20 [ 38.359529][ T368] ? process_one_work+0x1620/0x1620 [ 38.364802][ T368] kthread+0x318/0x420 [ 38.368972][ T368] ? kthread_create_on_node+0xf0/0xf0 [ 38.374455][ T368] ret_from_fork+0x24/0x30 [ 38.379353][ T362] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 38.386986][ T362] CPU: 0 PID: 362 Comm: kworker/0:3 Not tainted 5.6.0-rc7-syzkaller #0 [ 38.395336][ T362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.405409][ T362] Workqueue: usb_hub_wq hub_event [ 38.410445][ T362] Call Trace: [ 38.414038][ T362] dump_stack+0xef/0x16e [ 38.418390][ T362] sysfs_warn_dup.cold+0x1c/0x2d [ 38.423825][ T362] sysfs_do_create_link_sd.isra.0+0x119/0x130 [ 38.430013][ T362] sysfs_create_link+0x61/0xc0 [ 38.434798][ T362] device_add+0x756/0x1bf0 [ 38.440600][ T362] ? lockdep_init_map+0x1b0/0x5e0 [ 38.445701][ T362] ? device_link_remove+0x110/0x110 [ 38.451098][ T362] ? __init_waitqueue_head+0x31/0x90 [ 38.456459][ T362] tty_register_device_attr+0x341/0x6f0 [ 38.462037][ T362] ? hung_up_tty_compat_ioctl+0x40/0x40 [ 38.467626][ T362] ? mark_held_locks+0x9f/0xe0 [ 38.473246][ T362] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.479188][ T362] ? tty_port_register_device_attr+0xb9/0x110 [ 38.485697][ T362] hso_serial_common_create+0x113/0x710 [ 38.491647][ T362] ? kasan_unpoison_shadow+0x30/0x40 [ 38.496972][ T362] hso_probe+0xc93/0x1b7b [ 38.501423][ T362] usb_probe_interface+0x310/0x800 [ 38.506543][ T362] ? usb_probe_device+0x230/0x230 [ 38.511820][ T362] really_probe+0x290/0xac0 [ 38.516379][ T362] driver_probe_device+0x223/0x350 [ 38.521507][ T362] __device_attach_driver+0x1d1/0x290 [ 38.526874][ T362] ? driver_allows_async_probing+0x160/0x160 [ 38.532967][ T362] bus_for_each_drv+0x162/0x1e0 [ 38.537873][ T362] ? bus_rescan_devices+0x20/0x20 [ 38.542992][ T362] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.548896][ T362] ? lockdep_hardirqs_on+0x382/0x580 [ 38.554192][ T362] __device_attach+0x217/0x390 [ 38.559096][ T362] ? device_bind_driver+0xd0/0xd0 [ 38.564135][ T362] bus_probe_device+0x1e4/0x290 [ 38.569070][ T362] device_add+0x1459/0x1bf0 [ 38.573572][ T362] ? wait_for_completion+0x3c0/0x3c0 [ 38.578862][ T362] ? device_link_remove+0x110/0x110 [ 38.584132][ T362] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.589928][ T362] usb_set_configuration+0xece/0x1840 [ 38.595387][ T362] usb_generic_driver_probe+0x9d/0xe0 [ 38.600745][ T362] usb_probe_device+0xd9/0x230 [ 38.605498][ T362] ? usb_suspend+0x5f0/0x5f0 [ 38.610092][ T362] really_probe+0x290/0xac0 [ 38.614585][ T362] driver_probe_device+0x223/0x350 [ 38.619702][ T362] __device_attach_driver+0x1d1/0x290 [ 38.625235][ T362] ? driver_allows_async_probing+0x160/0x160 [ 38.631236][ T362] bus_for_each_drv+0x162/0x1e0 [ 38.636088][ T362] ? bus_rescan_devices+0x20/0x20 [ 38.641186][ T362] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.646988][ T362] ? lockdep_hardirqs_on+0x382/0x580 [ 38.652274][ T362] __device_attach+0x217/0x390 [ 38.657026][ T362] ? device_bind_driver+0xd0/0xd0 [ 38.662033][ T362] bus_probe_device+0x1e4/0x290 [ 38.666868][ T362] device_add+0x1459/0x1bf0 [ 38.671465][ T362] ? device_link_remove+0x110/0x110 [ 38.676714][ T362] usb_new_device.cold+0x540/0xcd0 [ 38.681956][ T362] hub_event+0x21cb/0x4300 [ 38.686893][ T362] ? hub_port_debounce+0x350/0x350 [ 38.692008][ T362] ? find_held_lock+0x2d/0x110 [ 38.696887][ T362] ? mark_held_locks+0xe0/0xe0 [ 38.701647][ T362] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 38.707185][ T362] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 38.712462][ T362] process_one_work+0x94b/0x1620 [ 38.717508][ T362] ? __wake_up_common+0x650/0x650 [ 38.722635][ T362] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.728194][ T362] worker_thread+0x96/0xe20 [ 38.732712][ T362] ? process_one_work+0x1620/0x1620 [ 38.737919][ T362] kthread+0x318/0x420 [ 38.741978][ T362] ? kthread_create_on_node+0xf0/0xf0 [ 38.747355][ T362] ret_from_fork+0x24/0x30 [ 38.753151][ T95] hso 6-1:0.0: Failed to find BULK IN ep [ 38.762083][ T95] usb 6-1: USB disconnect, device number 2 [ 38.768213][ T362] hso 4-1:0.0: Failed to find BULK IN ep [ 38.774132][ T362] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN [ 38.785294][ T362] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 38.793704][ T362] CPU: 0 PID: 362 Comm: kworker/0:3 Not tainted 5.6.0-rc7-syzkaller #0 [ 38.802050][ T362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.812211][ T362] Workqueue: usb_hub_wq hub_event [ 38.817222][ T362] RIP: 0010:cdev_del+0x22/0x90 [ 38.821973][ T362] 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 [ 38.841564][ T362] RSP: 0018:ffff8881cd4df240 EFLAGS: 00010207 [ 38.847705][ T362] RAX: dffffc0000000000 RBX: ffff8881d571ca00 RCX: ffffffff8216a8ce [ 38.855779][ T362] RDX: 000000000000000c RSI: ffffffff816cd3ad RDI: 0000000000000064 [ 38.863815][ T362] RBP: 0000000000000000 R08: ffff8881cd4c3100 R09: fffffbfff126648f [ 38.871910][ T362] R10: fffffbfff126648e R11: ffffffff89332477 R12: 0000000000000000 [ 38.879882][ T362] R13: ffff8881d51c4000 R14: ffff8881cccdb000 R15: ffff8881cd54f070 [ 38.888141][ T362] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 38.897121][ T362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.903729][ T362] CR2: 00000000006d0090 CR3: 0000000007021000 CR4: 00000000001406f0 [ 38.911704][ T362] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.919667][ T362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.927628][ T362] Call Trace: [ 38.931068][ T362] tty_unregister_device+0x10d/0x1a0 [ 38.936375][ T362] hso_probe.cold+0x6e/0x14c [ 38.940971][ T362] usb_probe_interface+0x310/0x800 [ 38.946066][ T362] ? usb_probe_device+0x230/0x230 [ 38.951084][ T362] really_probe+0x290/0xac0 [ 38.955578][ T362] driver_probe_device+0x223/0x350 [ 38.960676][ T362] __device_attach_driver+0x1d1/0x290 [ 38.966732][ T362] ? driver_allows_async_probing+0x160/0x160 [ 38.972708][ T362] bus_for_each_drv+0x162/0x1e0 [ 38.977550][ T362] ? bus_rescan_devices+0x20/0x20 [ 38.982569][ T362] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 38.988469][ T362] ? lockdep_hardirqs_on+0x382/0x580 [ 38.993910][ T362] __device_attach+0x217/0x390 [ 38.998658][ T362] ? device_bind_driver+0xd0/0xd0 [ 39.003694][ T362] bus_probe_device+0x1e4/0x290 [ 39.008534][ T362] device_add+0x1459/0x1bf0 [ 39.013019][ T362] ? wait_for_completion+0x3c0/0x3c0 [ 39.018311][ T362] ? device_link_remove+0x110/0x110 [ 39.023517][ T362] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.029323][ T362] usb_set_configuration+0xece/0x1840 [ 39.034801][ T362] usb_generic_driver_probe+0x9d/0xe0 [ 39.040320][ T362] usb_probe_device+0xd9/0x230 [ 39.045304][ T362] ? usb_suspend+0x5f0/0x5f0 [ 39.049990][ T362] really_probe+0x290/0xac0 [ 39.054613][ T362] driver_probe_device+0x223/0x350 [ 39.059717][ T362] __device_attach_driver+0x1d1/0x290 [ 39.065075][ T362] ? driver_allows_async_probing+0x160/0x160 [ 39.072029][ T362] bus_for_each_drv+0x162/0x1e0 [ 39.076952][ T362] ? bus_rescan_devices+0x20/0x20 [ 39.082197][ T362] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.087999][ T362] ? lockdep_hardirqs_on+0x382/0x580 [ 39.093272][ T362] __device_attach+0x217/0x390 [ 39.098153][ T362] ? device_bind_driver+0xd0/0xd0 [ 39.103324][ T362] bus_probe_device+0x1e4/0x290 [ 39.108279][ T362] device_add+0x1459/0x1bf0 [ 39.112776][ T362] ? device_link_remove+0x110/0x110 [ 39.117963][ T362] usb_new_device.cold+0x540/0xcd0 [ 39.123068][ T362] hub_event+0x21cb/0x4300 [ 39.127490][ T362] ? hub_port_debounce+0x350/0x350 [ 39.132695][ T362] ? find_held_lock+0x2d/0x110 [ 39.137559][ T362] ? mark_held_locks+0xe0/0xe0 [ 39.142375][ T362] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 39.147934][ T362] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 39.153222][ T362] process_one_work+0x94b/0x1620 [ 39.158226][ T362] ? __wake_up_common+0x650/0x650 [ 39.163242][ T362] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.168957][ T362] worker_thread+0x96/0xe20 [ 39.173455][ T362] ? process_one_work+0x1620/0x1620 [ 39.178653][ T362] kthread+0x318/0x420 [ 39.182706][ T362] ? kthread_create_on_node+0xf0/0xf0 [ 39.188064][ T362] ret_from_fork+0x24/0x30 [ 39.192468][ T362] Modules linked in: [ 39.196422][ T362] ---[ end trace d7e351d2527d0688 ]--- [ 39.201888][ T362] RIP: 0010:cdev_del+0x22/0x90 [ 39.206703][ T362] 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 [ 39.226360][ T362] RSP: 0018:ffff8881cd4df240 EFLAGS: 00010207 [ 39.232699][ T362] RAX: dffffc0000000000 RBX: ffff8881d571ca00 RCX: ffffffff8216a8ce [ 39.240898][ T362] RDX: 000000000000000c RSI: ffffffff816cd3ad RDI: 0000000000000064 [ 39.248918][ T362] RBP: 0000000000000000 R08: ffff8881cd4c3100 R09: fffffbfff126648f [ 39.257101][ T362] R10: fffffbfff126648e R11: ffffffff89332477 R12: 0000000000000000 [ 39.265305][ T362] R13: ffff8881d51c4000 R14: ffff8881cccdb000 R15: ffff8881cd54f070 [ 39.273324][ T362] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 39.282252][ T362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.288967][ T362] CR2: 00000000006d0090 CR3: 0000000007021000 CR4: 00000000001406f0 [ 39.297026][ T362] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.305039][ T362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.313057][ T362] Kernel panic - not syncing: Fatal exception [ 39.320012][ T362] Kernel Offset: disabled [ 39.324338][ T362] Rebooting in 86400 seconds..