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kernel BUG at arch/x86/kvm/x86.c:7209!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 8885 Comm: syz-executor1 Not tainted 4.14.0+ #183
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c6fe2000 task.stack: ffff8801cac68000
RIP: 0010:complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7209
RSP: 0018:ffff8801cac6f620 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801c92f8e80 RCX: ffffffff810d3b72
RDX: 000000000000004f RSI: ffffc90004100000 RDI: ffff8801c92f90b8
RBP: ffff8801cac6f660 R08: 0000000000000000 R09: 0000000000000004
R10: 0000000000000000 R11: ffffffff87469d60 R12: ffffffff810d35b0
R13: ffff8801ca5f9000 R14: ffff8801ce923380 R15: ffff8801c92f8e80
FS:  00007f20c887b700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000205b6e00 CR3: 00000001c531b000 CR4: 00000000001426f0
Call Trace:
 kvm_arch_vcpu_ioctl_run+0x2e36/0x5d20 arch/x86/kvm/x86.c:7288
 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2551
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452879
RSP: 002b:00007f20c887abe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001b
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000023
R13: 00000000205b3000 R14: 00007f20c887b6d4 R15: 0000000000000000
Code: 01 00 00 00 48 89 df e8 1d ad 48 00 44 89 e6 4c 89 f7 45 31 e4 e8 df e8 4e 00 45 85 ed 41 0f 94 c4 e9 5f fc ff ff e8 ce 73 62 00 <0f> 0b e8 e7 db 98 00 e9 9c fa ff ff 89 45 c8 e8 da db 98 00 8b 
RIP: complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7209 RSP: ffff8801cac6f620
---[ end trace 373a136645a159d5 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..