Re: UBSAN: shift-out-of-bounds in kvm_vcpu_after_set_cpuid

[Paolo Bonzini]

On 12/01/21 00:01, Sean Christopherson wrote:
> > Perhaps cpuid_query_maxphyaddr() should just look at the low 5 bits of
> > CPUID.80000008H:EAX?

The low 6 bits I guess---yes, that would make sense and it would have 
also fixed the bug.

(Nevertheless it's a good idea to make rsvd_bits more robust as well, as 
in the commit that Sean referenced.

Paolo