Re: [PATCH v2 2/2] pci: ensure configuration access is within bounds

[Peter Maydell]

On Wed, 3 Jun 2020 at 21:26, P J P <ppandit@redhat.com> wrote:
>
> From: Prasad J Pandit <pjp@fedoraproject.org>
>
> While reading PCI configuration bytes, a guest may send an
> address towards the end of the configuration space. It may lead
> to an OOB access issue. Assert that 'address + len' is within
> PCI configuration space.

What does the spec say should happen when the guest does this?
Does it depend on the pci controller implementation?

thanks
-- PMM