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WARNING: CPU: 1 PID: 27747 at drivers/vhost/vhost.c:657 vhost_dev_cleanup.cold+0x11/0x18 drivers/vhost/vhost.c:657
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 27747 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:vhost_dev_cleanup.cold+0x11/0x18 drivers/vhost/vhost.c:657
Code: 89 48 8d 70 02 e8 61 f8 ff ff e9 cd 6b 16 fe 48 89 ef e8 9d 03 88 f9 eb a1 e8 c6 27 52 f9 48 c7 c7 e0 25 3d 89 e8 25 59 e3 ff <0f> 0b e9 f0 79 17 fe e8 ae 27 52 f9 48 8d 7d 04 ba ff ff 37 00 48
RSP: 0018:ffff8880ab81f998 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffff888030d23a40 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1015703f25
RBP: ffff888030d28288 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888030d23af8
R13: ffff888030d23b48 R14: ffff888030d23af8 R15: ffff8880994b4578
 vhost_vsock_dev_release+0x373/0x4b0 drivers/vhost/vsock.c:711
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xbf3/0x2be0 kernel/exit.c:870
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath+0x3f0/0x4a0 arch/x86/entry/common.c:271
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:407
RIP: 0033:0x7f88d4d2b6a1
Code: Bad RIP value.
RSP: 002b:00007f88d367e2f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007f88d367e700 RCX: 00007f88d4d2b6a1
RDX: 00007f88d367e9d0 RSI: 00007f88d367e2f0 RDI: 00000000003d0f00
RBP: 00007ffec04adc00 R08: 00007f88d367e700 R09: 00007f88d367e700
R10: 00007f88d367e9d0 R11: 0000000000000206 R12: 00007ffec04ada6e
R13: 00007ffec04ada6f R14: 00007f88d367e300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..