------------[ cut here ]------------
WARNING: CPU: 0 PID: 3187 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4e2/0x650 drivers/media/mc/mc-entity.c:666
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 3187 Comm: kworker/0:6 Not tainted 5.8.0-rc1-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+0x2f/0x35 kernel/panic.c:600
 report_bug+0x271/0x2f0 lib/bug.c:198
 exc_invalid_op+0x1e4/0x370 arch/x86/kernel/traps.c:235
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563
RIP: 0010:media_create_pad_link+0x4e2/0x650 drivers/media/mc/mc-entity.c:666
Code: 64 68 35 fd 44 89 e0 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 4d 68 35 fd 0f 0b 41 bc ea ff ff ff eb da e8 3e 68 35 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 2f 68 35 fd 0f 0b 41 bc ea ff ff
RSP: 0018:ffff8881cc40efd0 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff8881d22e7870 RCX: ffffc9000e08f000
RDX: 000000000003717d RSI: ffffffff840a06e2 RDI: 0000000000000002
RBP: ffff8881d22e5070 R08: ffff8881c5f6cb00 R09: ffffed1039affa98
R10: ffff8881cd7fd4bb R11: ffffed1039affa97 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline]
 uvc_mc_register_entities+0x468/0x77a drivers/media/usb/uvc/uvc_entity.c:114
 uvc_register_chains drivers/media/usb/uvc/uvc_driver.c:2103 [inline]
 uvc_probe.cold+0x20af/0x29be drivers/media/usb/uvc/uvc_driver.c:2229
 usb_probe_interface+0x310/0x800 drivers/usb/core/driver.c:374
 really_probe+0x290/0xac0 drivers/base/dd.c:525
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x390 drivers/base/dd.c:873
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb2b/0x1940 drivers/base/core.c:2680
 usb_set_configuration+0xed4/0x1850 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272
 really_probe+0x290/0xac0 drivers/base/dd.c:525
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x390 drivers/base/dd.c:873
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb2b/0x1940 drivers/base/core.c:2680
 usb_new_device.cold+0x5a2/0xfd9 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+0x226d/0x43c0 drivers/usb/core/hub.c:5576
 process_one_work+0x965/0x1620 kernel/workqueue.c:2269
 worker_thread+0x96/0xe10 kernel/workqueue.c:2415
 kthread+0x352/0x460 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Kernel Offset: disabled