WARNING: CPU: 0 PID: 6872 at arch/x86/kvm/emulate.c:5696 x86_emulate_insn+0xd01/0x3c20 arch/x86/kvm/emulate.c:5696
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 6872 Comm: syz-executor6 Not tainted 4.15.0-rc7-mm1+ #56
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:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+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+0x22/0x40 arch/x86/entry/entry_64.S:1085
RIP: 0010:x86_emulate_insn+0xd01/0x3c20 arch/x86/kvm/emulate.c:5696
RSP: 0018:ffff8801c3b2f300 EFLAGS: 00010202
RAX: 0000000000010000 RBX: 1ffff10038765e69 RCX: ffffffff81155211
RDX: 0000000000002e80 RSI: ffffc90003b30000 RDI: ffff8801d1b8d108
RBP: ffff8801c3b2f410 R08: ffff8801d1b89880 R09: ffffffff85c256c0
R10: 000000000000141d R11: ffff8801d1b89880 R12: 00000000000000ff
R13: ffff8801d1b8d0e0 R14: 0000000000000002 R15: ffff8801d1b8d1e0
 x86_emulate_instruction+0x411/0x1ad0 arch/x86/kvm/x86.c:5829
 emulate_instruction arch/x86/include/asm/kvm_host.h:1180 [inline]
 handle_invalid_guest_state arch/x86/kvm/vmx.c:6906 [inline]
 vmx_handle_exit+0x6e3/0x1ce0 arch/x86/kvm/vmx.c:9042
 vcpu_enter_guest arch/x86/kvm/x86.c:7151 [inline]
 vcpu_run arch/x86/kvm/x86.c:7213 [inline]
 kvm_arch_vcpu_ioctl_run+0x1ca0/0x5cb0 arch/x86/kvm/x86.c:7380
 kvm_vcpu_ioctl+0x6f1/0xff0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2555
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x452e99
RSP: 002b:00007fa15d24bc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452e99
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000018
RBP: 0000000000000481 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4cb8
R13: 00000000ffffffff R14: 00007fa15d24c6d4 R15: 0000000000000001
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..