------------[ cut here ]------------ 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: 19068 Comm: syz-executor5 Not tainted 4.14.0-rc6+ #145 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cac8c0c0 task.stack: ffff8801cc4b8000 RIP: 0010:complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7182 RSP: 0018:ffff8801cc4bf620 EFLAGS: 00010216 RAX: 0000000000010000 RBX: ffff8801c5ce1200 RCX: ffffc90003cf8000 RDX: 0000000000000097 RSI: ffffffff810d5db2 RDI: ffff8801c5ce1420 RBP: ffff8801cc4bf660 R08: 0000000000000000 R09: ffffed0039897f2c R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff810d57f0 R13: ffff8801bfdd5000 R14: ffff8801c5990b40 R15: ffff8801c5ce1200 FS: 00007ff8b2ac6700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa93d1b0db8 CR3: 00000001c3a65000 CR4: 00000000001426e0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: kvm_arch_vcpu_ioctl_run+0x2e07/0x5c70 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+0x1b1/0x1520 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: 0033:0x452869 RSP: 002b:00007ff8b2ac5be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452869 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000015 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 000000000000001b R13: 00000000205b3000 R14: 00007ff8b2ac66d4 R15: 000000000000000e Code: 01 00 00 00 48 89 df e8 ad 9c 47 00 44 89 e6 4c 89 f7 45 31 e4 e8 2f 42 4d 00 45 85 ed 41 0f 94 c4 e9 5f fc ff ff e8 8e 63 60 00 <0f> 0b e8 07 29 95 00 e9 9c fa ff ff 89 45 c8 e8 fa 28 95 00 8b RIP: complete_emulated_mmio+0x5c2/0x6f0 arch/x86/kvm/x86.c:7182 RSP: ffff8801cc4bf620 ---[ end trace 02fceaad2264c868 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..