usb 1-1: usbvision_write_reg: failed: error -2
usb 1-1: usbvision_write_reg: failed: error -2
usb 1-1: usbvision_write_reg: failed: error -2
usb 1-1: usbvision_write_reg: failed: error -2
usb 1-1: usbvision_write_reg: failed: error -2
usbvision_i2c_register: can't write reg
videodev: could not get a free device node number
usb 1-1: USBVision[271]: video_register_device() failed
------------[ cut here ]------------
WARNING: CPU: 1 PID: 65 at fs/sysfs/file.c:327 sysfs_create_file_ns+0x13c/0x1c0 fs/sysfs/file.c:327
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 65 Comm: kworker/1:2 Not tainted 5.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xf6/0x16e lib/dump_stack.c:118
 panic+0x2aa/0x6e1 kernel/panic.c:231
 __warn.cold+0x20/0x50 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x41/0x80 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:540
RIP: 0010:sysfs_create_file_ns+0x13c/0x1c0 fs/sysfs/file.c:327
Code: 85 82 00 00 00 41 55 48 8b 7b 30 31 d2 48 89 ee 44 8b 4c 24 50 44 8b 44 24 40 e8 8f f9 ff ff 41 89 c5 58 eb 0d e8 f4 81 ae ff <0f> 0b 41 bd ea ff ff ff e8 e7 81 ae ff 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffff8881d599f0a8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8881ca2b03a8 RCX: ffffffff8286ed44
RDX: ffff8881d6f73200 RSI: ffffffff8191280c RDI: ffff8881ca2b03a8
RBP: ffffffff87dacf00 R08: 0000000000000000 R09: ffff8881ca2b0907
R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1103ab33e16
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8881ca2b03d8
 sysfs_create_file include/linux/sysfs.h:577 [inline]
 device_create_file+0xea/0x1d0 drivers/base/core.c:2074
 usbvision_create_sysfs drivers/staging/media/usbvision/usbvision-video.c:252 [inline]
 usbvision_probe.cold+0x1c3b/0x1f2a drivers/staging/media/usbvision/usbvision-video.c:1535
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:374
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_set_configuration+0xf05/0x18a0 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0xba/0xf2 drivers/usb/core/generic.c:239
 usb_probe_device+0xd9/0x250 drivers/usb/core/driver.c:272
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_new_device.cold+0x71d/0xfd4 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x2361/0x4390 drivers/usb/core/hub.c:5576
 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2417
 kthread+0x392/0x470 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Kernel Offset: disabled
Rebooting in 86400 seconds..