On Wed, Jun 03, 2020 at 06:17:32PM +0530, P J P wrote: > From: Prasad J Pandit <p...@fedoraproject.org> > > While accessing VGA registers via ati_mm_read/write routines, > a guest may set 's->regs.mm_index' such that it leads to infinite > recursion.
Lovely. > Increment the mm_index value to avoid it. Hmm, why modify mm_index? Shouldn't we just check it is non-zero before calling ati_mm_read/ati_mm_write? cheers, Gerd
