WARNING: CPU: 1 PID: 3089 at arch/x86/kvm/x86.c:7293 kvm_arch_vcpu_ioctl_run+0x213/0x5d20 arch/x86/kvm/x86.c:7293 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3089 Comm: syz-executor5 Not tainted 4.14.0-next-20171116+ #44 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.10+0x37/0x80 arch/x86/kernel/traps.c:177 fixup_bug arch/x86/kernel/traps.c:246 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:926 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5d20 arch/x86/kvm/x86.c:7293 RSP: 0018:ffff8801bcf87670 EFLAGS: 00010293 RAX: ffff8801cc6d2380 RBX: ffff8801cbd13000 RCX: ffffffff810de5a3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cc1283b8 RBP: ffff8801bcf87a40 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 1ffff100379f0f72 R14: ffff8801cd6a4900 R15: ffff8801cc128180 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:00007f70078f8be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452879 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f1460 R13: 00000000ffffffff R14: 00007f70078f96d4 R15: 0000000000000002 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..