[Mesa-dev] [PATCH] draw: avoid buffer overflows with bad geometry programs.

[Dave Airlie]

On 11 June 2014 10:48, Zack Rusin <zackr at vmware.com> wrote:
> To be honest I still don't like it. While the tgsi_exec specific paths in draw_gs don't matter to me and can be as ugly as they need to be, they can't be polluting the draw_pt_emit code, in other words the primitive_lengths can't be bogus at that point - prim_info can't lie about the amount of data that it's holding.

Thanks for following me on this journey! I think I got it now,
tgsi_exec wasn't bounding to the max output vertices, and causing
subsequent fallout.

I'll send that patch next!

Dave.