------------[ 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..