usb 3-1: USB disconnect, device number 62 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI CPU: 1 PID: 5690 Comm: kworker/1:5 Not tainted 5.1.0-rc3+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:device_del+0x76/0xb90 Code: f1 f1 f1 f1 c7 40 04 00 07 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 88 00 00 00 31 c0 e8 61 0a d6 fe 48 89 d8 48 c1 e8 03 <80> 3c 28 00 0f 85 82 0a 00 00 48 8b 03 4c 8d 63 60 31 f6 4c 8d 7b RSP: 0018:ffff8881cb6477c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000e5e8000 RDX: 0000000000003f15 RSI: ffffffff82665dff RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff8881cc0de000 R09: ffffed1039bf5706 R10: ffffed1039bf5705 R11: ffff8881cdfab82f R12: ffff8881cdfb0128 R13: ffff8881cdfab760 R14: ffff8881cdfb0030 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000006c26000 CR4: 00000000001406e0 Call Trace: device_unregister+0x11/0x30 hdm_disconnect+0xdf/0x200 usb_unbind_interface+0x1c4/0x8b0 device_release_driver_internal+0x431/0x4f0 bus_remove_device+0x2ee/0x4c0 device_del+0x462/0xb90 usb_disable_device+0x211/0x690 usb_disconnect+0x284/0x840 hub_event+0x13f8/0x35a0 process_one_work+0x90a/0x1580 worker_thread+0x96/0xe20 kthread+0x30e/0x420 ret_from_fork+0x3a/0x50 Modules linked in: ---[ end trace 7b8c321d76608e46 ]--- RIP: 0010:device_del+0x76/0xb90 Code: f1 f1 f1 f1 c7 40 04 00 07 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 88 00 00 00 31 c0 e8 61 0a d6 fe 48 89 d8 48 c1 e8 03 <80> 3c 28 00 0f 85 82 0a 00 00 48 8b 03 4c 8d 63 60 31 f6 4c 8d 7b RSP: 0018:ffff8881cb6477c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000e5e8000 RDX: 0000000000003f15 RSI: ffffffff82665dff RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff8881cc0de000 R09: ffffed1039bf5706 R10: ffffed1039bf5705 R11: ffff8881cdfab82f R12: ffff8881cdfb0128 R13: ffff8881cdfab760 R14: ffff8881cdfb0030 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000006c26000 CR4: 00000000001406e0