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kernel BUG at arch/x86/kvm/x86.c:7150!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 3 PID: 11993 Comm: syz-executor0 Not tainted 4.13.0-rc5-next-20170817+ #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
task: ffff88002e8d0800 task.stack: ffff8800399b8000
RIP: 0010:complete_emulated_mmio+0x5be/0x6f0 arch/x86/kvm/x86.c:7150
RSP: 0018:ffff8800399bf620 EFLAGS: 00010212
RAX: 0000000000010000 RBX: ffff880069160a80 RCX: ffffc90003ea1000
RDX: 000000000000008a RSI: ffffffff810d0dfe RDI: ffff880069160ca0
RBP: ffff8800399bf660 R08: 0000000000000000 R09: ffffed0007337f2c
R10: ffff8800399bfa58 R11: ffff8800399bf9d0 R12: ffffffff810d0840
R13: ffff88006a2c4000 R14: ffff88003dc80600 R15: ffff880069160a80
FS:  00007f0c135f9700(0000) GS:ffff88006df00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000095000a CR3: 0000000055535000 CR4: 00000000000026e0
DR0: 0000000020001020 DR1: 0000000020001020 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 kvm_arch_vcpu_ioctl_run+0x2e2b/0x58b0 arch/x86/kvm/x86.c:7220
 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2591
 vfs_ioctl fs/ioctl.c:45 [inline]
 do_vfs_ioctl+0x1b1/0x1520 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: 0033:0x446749
RSP: 002b:00007f0c135f8c08 EFLAGS: 00000282 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000446749
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016
RBP: 0000000020008800 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 000000000000001b
R13: 00000000000055e0 R14: 00000000006e76a0 R15: 0000000000000016
Code: 01 00 00 00 48 89 df e8 51 9e 47 00 44 89 e6 4c 89 f7 45 31 e4 e8 93 25 4d 00 45 85 ed 41 0f 94 c4 e9 c5 fc ff ff e8 f2 2e 60 00 <0f> 0b e8 1b 99 94 00 e9 a0 fa ff ff 89 45 c8 e8 0e 99 94 00 8b 
RIP: complete_emulated_mmio+0x5be/0x6f0 arch/x86/kvm/x86.c:7150 RSP: ffff8800399bf620
---[ end trace 9faf1a12c4095b10 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..