On Thu, Jul 05, 2018 at 03:19:04PM +1000, Alexey Kardashevskiy wrote:
> On Thu, 5 Jul 2018 12:42:20 +1000
> David Gibson wrote:
>
> > On Wed, Jul 04, 2018 at 03:00:52PM +1000, Alexey Kardashevskiy wrote:
> > > A VM which has:
> > > - a DMA capable device passed through to it (eg. network card);
On Thu, 5 Jul 2018 15:19:04 +1000
Alexey Kardashevskiy wrote:
> On Thu, 5 Jul 2018 12:42:20 +1000
> David Gibson wrote:
>
> > On Wed, Jul 04, 2018 at 03:00:52PM +1000, Alexey Kardashevskiy wrote:
> > > A VM which has:
> > > - a DMA capable device passed through to it (eg. network card);
> >
On Thu, 5 Jul 2018 12:42:20 +1000
David Gibson wrote:
> On Wed, Jul 04, 2018 at 03:00:52PM +1000, Alexey Kardashevskiy wrote:
> > A VM which has:
> > - a DMA capable device passed through to it (eg. network card);
> > - running a malicious kernel that ignores H_PUT_TCE failure;
> > - capabilit
On Wed, Jul 04, 2018 at 03:00:52PM +1000, Alexey Kardashevskiy wrote:
> A VM which has:
> - a DMA capable device passed through to it (eg. network card);
> - running a malicious kernel that ignores H_PUT_TCE failure;
> - capability of using IOMMU pages bigger that physical pages
> can create an
A VM which has:
- a DMA capable device passed through to it (eg. network card);
- running a malicious kernel that ignores H_PUT_TCE failure;
- capability of using IOMMU pages bigger that physical pages
can create an IOMMU mapping that exposes (for example) 16MB of
the host physical memory to the
