Re: [PATCH] KVM: x86: Initialize tdp_level during vCPU creation

From: Sean Christopherson
Date: Wed May 27 2020 - 13:08:19 EST

On Wed, May 27, 2020 at 06:56:19PM +0200, Paolo Bonzini wrote:
> On 27/05/20 18:29, Sean Christopherson wrote:
> > Ya. syzbot is hitting a #GP due to NULL pointer during debugfs on the exact
> > same sequence. I haven't been able to reproduce that one (have yet to try
> > syzbot's exact config), but it's another example of a "dumb" test hitting
> > meaningful bugs.
> Saw that, it's mine. :)

All yours. I as hoping it would be easily reproducible and fixable while I
was looking at the MMU BUG(), but that didn't happen.