------------[ cut here ]------------ WARNING: CPU: 1 PID: 19138 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: 19138 Comm: syz-executor.3 Not tainted 5.4.0-rc4-next-20191025 #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+0x172/0x1f0 lib/dump_stack.c:113 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:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:__vb2_queue_cancel+0x8b6/0xc80 drivers/media/common/videobuf2/videobuf2-core.c:1882 Code: 1e fb ff ff 48 89 df e8 38 e9 d3 fc e9 11 fb ff ff e8 fe 03 98 fc 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ea 03 98 fc <0f> 0b 48 8b 45 d0 48 05 30 02 00 00 48 89 c2 48 89 45 88 48 b8 00 RSP: 0018:ffff88808dba7c18 EFLAGS: 00010293 RAX: ffff8880a74143c0 RBX: 0000000000000001 RCX: ffffffff84db643e RDX: 0000000000000000 RSI: ffffffff84db6bd6 RDI: 0000000000000005 RBP: ffff88808dba7c90 R08: ffff8880a74143c0 R09: ffffed1013f5d19d R10: ffffed1013f5d19c R11: ffff88809fae8ce7 R12: ffff88809fae8ce4 R13: ffff88809fae8d78 R14: ffff88809fae8a98 R15: ffff88809fae50a8 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:876 [inline] _vb2_fop_release+0x1cf/0x2a0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1049 vb2_fop_release+0x75/0xc0 drivers/media/common/videobuf2/videobuf2-v4l2.c:1063 vivid_fop_release+0x18e/0x470 drivers/media/platform/vivid/vivid-core.c:497 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_64+0x65f/0x760 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413ad1 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffcf0485400 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000413ad1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000000001 R08: ffffffff81009be7 R09: 0000000031543dd2 R10: 00007ffcf04854e0 R11: 0000000000000293 R12: 000000000075bf20 R13: 000000000006e743 R14: 0000000000760ad8 R15: 000000000075bf2c Kernel Offset: disabled Rebooting in 86400 seconds..