Re: [PATCH 00/03] Preventing zero GPU virtual address allocation

Chris Wilson
2015-05-21T09:59:47Z

On Thu, May 21, 2015 at 12:38:45PM +0300, David Weinehall wrote:
> On Thu, May 21, 2015 at 09:43:00AM +0100, Chris Wilson wrote:
> > On Thu, May 21, 2015 at 11:08:42AM +0300, David Weinehall wrote:
> [snip]
> > > Not exactly sure what you suggest here?
> >
> > That you have an unmitigated security hole in your design.
>
> No, I meant what you suggest as a remedy.

You place your own buffer at address 0 i.e. you explicitly control the
layout and reject the batch if it is outside of your control.
-Chris

--
Chris Wilson, Intel Open Source Technology Centre