kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.3.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:dev_name include/linux/device.h:1103 [inline]
RIP: 0010:__dev_printk+0x3a/0x203 drivers/base/core.c:3306
Code: 89 f5 53 e8 6f 79 d2 fe 48 85 ed 0f 84 bc 01 00 00 e8 61 79 d2 fe 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 d2 21 f9 fe 4c 8b 7d 50 4d 85 ff 75 27 e8 34
RSP: 0018:ffff8881da1c7750 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffed103b438ef1 RCX: ffffffff812497a2
RDX: 000000000000001e RSI: ffffffff826b613f RDI: 00000000000000f0
RBP: 00000000000000a0 R08: ffff8881da186000 R09: ffffed103ae8e017
R10: ffffed103ae8e016 R11: ffff8881d74700b7 R12: ffffffff85f279c0
R13: ffff8881da1c77a8 R14: ffff8881d74717f0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff9654cee8 CR3: 00000001d1f2d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 _dev_info+0xd7/0x109 drivers/base/core.c:3352
 usbvision_release+0x1ad/0x210 drivers/media/usb/usbvision/usbvision-video.c:1379
 usbvision_disconnect+0x171/0x1e0 drivers/media/usb/usbvision/usbvision-video.c:1606
 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:423
 __device_release_driver drivers/base/dd.c:1134 [inline]
 device_release_driver_internal+0x42f/0x500 drivers/base/dd.c:1165
 bus_remove_device+0x2dc/0x4a0 drivers/base/bus.c:556
 device_del+0x420/0xb10 drivers/base/core.c:2339
 usb_disable_device+0x211/0x690 drivers/usb/core/message.c:1237
 usb_disconnect+0x284/0x8d0 drivers/usb/core/hub.c:2199
 hub_port_connect drivers/usb/core/hub.c:4949 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5213 [inline]
 port_event drivers/usb/core/hub.c:5359 [inline]
 hub_event+0x1454/0x3640 drivers/usb/core/hub.c:5441
 process_one_work+0x92b/0x1530 kernel/workqueue.c:2269
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417
 kthread+0x318/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in: