kernel BUG at arch/x86/kvm/x86.c:7182!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3030 Comm: syz-executor0 Not tainted 4.14.0-rc1-next-20170918+ #6
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff88006d052640 task.stack: ffff880067e48000
RIP: 0010:complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7182
RSP: 0018:ffff880067e4f620 EFLAGS: 00010297
RAX: ffff88006d052640 RBX: ffff88006caa8040 RCX: 1ffff1000cfc9f3c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88006caa8278
RBP: ffff880067e4f660 R08: 0000000000000000 R09: 0000000000000001
R10: ffff880067e4fa58 R11: 0000000000000001 R12: ffffffff810d56e0
R13: ffff8800674f4000 R14: ffff88003cf04280 R15: ffff88006caa8040
FS:  00007f2950e6c700(0000) GS:ffff88003ed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54d7e87000 CR3: 000000003d1a3000 CR4: 00000000000026e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kvm_arch_vcpu_ioctl_run+0x2df5/0x5b90 arch/x86/kvm/x86.c:7261
 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2551
 vfs_ioctl fs/ioctl.c:45 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
 SYSC_ioctl fs/ioctl.c:700 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4474f9
RSP: 002b:00007f2950e6bc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004474f9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2950e6c9c0 R15: 00007f2950e6c700
Code: 01 00 00 00 48 89 df e8 8d ae 47 00 44 89 e6 4c 89 f7 45 31 e4 e8 af 51 4d 00 45 85 ed 41 0f 94 c4 e9 5f fc ff ff e8 ae 74 60 00 <0f> 0b e8 97 3c 95 00 e9 9c fa ff ff 89 45 c8 e8 8a 3c 95 00 8b 
RIP: complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7182 RSP: ffff880067e4f620
---[ end trace 147697e4703d6196 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..