------------[ cut here ]------------
WARNING: CPU: 1 PID: 20006 at drivers/media/v4l2-core/videobuf2-core.c:1663 __vb2_queue_cancel+0x5a3/0x890 drivers/media/v4l2-core/videobuf2-core.c:1663
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 20006 Comm: syz-executor.0 Not tainted 4.14.129 #23
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 panic+0x1f2/0x426 kernel/panic.c:182
 __warn.cold+0x2f/0x36 kernel/panic.c:546
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:960
RIP: 0010:__vb2_queue_cancel+0x5a3/0x890 drivers/media/v4l2-core/videobuf2-core.c:1663
RSP: 0018:ffff888096337978 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffffffff842af7b0 RCX: ffffc90005e2d000
RDX: 000000000000094a RSI: ffffffff8423c4e3 RDI: ffff88809e803dee
RBP: ffff8880963379e8 R08: ffff888060fca5c0 R09: 0000000000000001
R10: ffff8880963378d8 R11: ffff888096337867 R12: ffff88809e805d24
R13: ffff88809e805df8 R14: ffff88809e805e00 R15: ffff88809e805b20
kobject: 'kvm' (ffff8880a6e72b90): kobject_uevent_env
 vb2_core_streamoff+0x52/0x110 drivers/media/v4l2-core/videobuf2-core.c:1788
 __vb2_cleanup_fileio+0x78/0x150 drivers/media/v4l2-core/videobuf2-core.c:2313
 vb2_core_queue_release+0x1d/0x80 drivers/media/v4l2-core/videobuf2-core.c:2040
kobject: 'kvm' (ffff8880a6e72b90): fill_kobj_path: path = '/devices/virtual/misc/kvm'
 vb2_queue_release drivers/media/v4l2-core/videobuf2-v4l2.c:669 [inline]
 _vb2_fop_release+0x1cf/0x2a0 drivers/media/v4l2-core/videobuf2-v4l2.c:840
 vb2_fop_release+0x75/0xc0 drivers/media/v4l2-core/videobuf2-v4l2.c:854
 vivid_fop_release+0x180/0x3f0 drivers/media/platform/vivid/vivid-core.c:486
 v4l2_release+0xf9/0x190 drivers/media/v4l2-core/v4l2-dev.c:446
 __fput+0x275/0x7a0 fs/file_table.c:210
 ____fput+0x16/0x20 fs/file_table.c:244
 task_work_run+0x114/0x190 kernel/task_work.c:113
 get_signal+0x18a8/0x1cd0 kernel/signal.c:2220
 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4592c9
RSP: 002b:00007f0118a09c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: 000000000000006e RBX: 0000000000000003 RCX: 00000000004592c9
RDX: 000000000000006e RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0118a0a6d4
R13: 00000000004c53aa R14: 00000000004db138 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..