Re: [PATCH v2] x86/mce: fix wrong no-return-ip logic in do_machine_check()

Borislav Petkov
2021-02-22T10:07:11Z

On Mon, Feb 22, 2021 at 05:31:09PM +0800, Aili Yao wrote:
> you can inject a memory UE to a VM, it should always be MCG_STATUS_RIPV 0.

So the signature you injected is not something the hardware would
generate - you just didn't set MCG_STATUS_RIPV.

If so, why should the code handle invalid signatures which the harware
cannot generate?

--
Regards/Gruss,
Boris.