Re: [PATCH v2 1/4] virtio-mem: validate device-reported block size

[Michael S. Tsirkin]

On Thu, Jul 16, 2026 at 05:59:05PM +0200, David Hildenbrand (Arm) wrote:
> > Or do we just always trust virtio mem devices explicitly?
> 
> It's hard for me to understand where we draw the line, really.
> 
> But maybe MST can clarify what we care about in virtio world where the
> hypervisor is fully in charge of the device,

Generally:
- The guest is expected to whitelist drivers (most drivers have not
  been audited).
- Denial of service by the hypervisor is not considered a threat
  (this is how cloud vendors charge their clients, by denying
  service to whoever did not pay).



-- 
MST