On Wed, 12 Oct 2011, Stefan Weil wrote: > Hi, > > the SDL zoom feature which is implemented in sdl_zoom_template.h > (and the SDL_rotozoom version which it is based on) accesses memory > beyond the allocated limits. > > This can be easily reproduced using Valgrind and some Linux desktop > which resizes QEMU's window to fill the whole screen (I did run the tests > on an Ubuntu netbook). > > Another effect can be observed by repeatedly increasing the zoom factor > with the Alt-Ctrl-+: the image grows up to a certain value and then > collapses again. > > It looks like other programs using SDL_rotozoom also discovered > out-of-bound problems, and in newer versions, the SDL_rotozoom > code was totally rewritten. > > For security reasons, I suggest disabling the zoom feature until > either the current code is replaced by a (tested) newer version > of SDL_rotozoom or fixed.
I am OK with that.