------------[ cut here ]------------ WARNING: CPU: 1 PID: 15875 at drivers/media/common/videobuf2/videobuf2-core.c:1882 __vb2_queue_cancel+0x8b6/0xc80 drivers/media/common/videobuf2/videobuf2-core.c:1882 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 15875 Comm: syz-executor.4 Not tainted 5.4.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:__vb2_queue_cancel+0x8b6/0xc80 drivers/media/common/videobuf2/videobuf2-core.c:1882 Code: 1e fb ff ff 48 89 df e8 a8 eb d7 fc e9 11 fb ff ff e8 2e 89 9c fc 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1a 89 9c fc <0f> 0b 48 8b 45 d0 48 05 28 02 00 00 48 89 c2 48 89 45 88 48 b8 00 RSP: 0018:ffff88805d7b7c08 EFLAGS: 00010293 RAX: ffff888054ab4380 RBX: 0000000000000001 RCX: ffffffff84d6c73e RDX: 0000000000000000 RSI: ffffffff84d6ced6 RDI: 0000000000000005 RBP: ffff88805d7b7c80 R08: ffff888054ab4380 R09: ffffed10430c4e88 R10: ffffed10430c4e87 R11: ffff88821862743f R12: ffff88821862743c R13: ffff8882186274d0 R14: ffff8882186271f8 R15: ffff8882186213f0 vb2_core_streamoff+0x60/0x150 drivers/media/common/videobuf2/videobuf2-core.c:2038 __vb2_cleanup_fileio+0x78/0x170 drivers/media/common/videobuf2/videobuf2-core.c:2575 vb2_core_queue_release+0x20/0x80 drivers/media/common/videobuf2/videobuf2-core.c:2302 vb2_queue_release drivers/media/common/videobuf2/videobuf2-v4l2.c:868 [inline] _vb2_fop_release+0x1cf/0x2a0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1041 vb2_fop_release+0x75/0xc0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1055 vivid_fop_release+0x18e/0x450 drivers/media/platform/vivid/vivid-core.c:475 v4l2_release+0x21f/0x390 drivers/media/v4l2-core/v4l2-dev.c:452 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_32_irqs_on arch/x86/entry/common.c:348 [inline] do_fast_syscall_32+0xb87/0xdb3 arch/x86/entry/common.c:404 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f6ea39 Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:000000000847fbec EFLAGS: 00000212 ORIG_RAX: 0000000000000006 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000006 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..