WARNING: CPU: 0 PID: 7046 at arch/x86/kvm/x86.c:7307 kvm_arch_vcpu_ioctl_run+0x1cc/0x5c60 arch/x86/kvm/x86.c:7307
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7046 Comm: syz-executor6 Not tainted 4.15.0-rc1+ #115
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.11+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:930
RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1cc/0x5c60 arch/x86/kvm/x86.c:7307
RSP: 0000:ffff8801d1b2f580 EFLAGS: 00010293
RAX: ffff8801c85d6300 RBX: ffff8801d369f000 RCX: ffffffff810de6cc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c81a0f38
RBP: ffff8801d1b2f910 R08: 0000000000000001 R09: 0000000000000001
R10: ffff8801d1b2f930 R11: 0000000000000001 R12: 0000000000000000
R13: 1ffff1003a365f4d R14: ffff8801d2e2fa00 R15: ffff8801c81a0d00
 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2574
 kvm_vcpu_compat_ioctl+0x364/0x450 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2769
 C_SYSC_ioctl fs/compat_ioctl.c:1473 [inline]
 compat_SyS_ioctl+0x151/0x2a30 fs/compat_ioctl.c:1419
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389