------------[ cut here ]------------
WARNING: CPU: 0 PID: 3140 at arch/x86/kvm/x86.c:7265 kvm_arch_vcpu_ioctl_run+0x213/0x5c70 arch/x86/kvm/x86.c:7265
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3140 Comm: syz-executor4 Not tainted 4.14.0+ #88
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+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:181
 __warn+0x1c4/0x1e0 kernel/panic.c:542
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.12+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:926
RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5c70 arch/x86/kvm/x86.c:7265
RSP: 0018:ffff8801c8e6f4a0 EFLAGS: 00010297
RAX: ffff8801c96de580 RBX: ffff8801cb9fa000 RCX: ffff8801c861105c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c8610e78
RBP: ffff8801c8e6f870 R08: 1ffff100390c2a5b R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff8726cd60 R12: 0000000000000000
R13: ffff8801c96de580 R14: ffff8801cbd5a780 R15: ffff8801c8610c40
 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2551
 kvm_vcpu_compat_ioctl+0x3c1/0x4c0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2749
 C_SYSC_ioctl fs/compat_ioctl.c:1594 [inline]
 compat_SyS_ioctl+0x1d7/0x3290 fs/compat_ioctl.c:1541
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7f63c79
RSP: 002b:00000000f7f5f01c EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..