Bug#329974: xlibmesa-dri: function __driUtilCreateScreen is freeing never allocated data

[Michel Dänzer <daenzer@debian.org>]

On Tue, 2005-11-22 at 22:35 +0100, Samuel Hym wrote:
> 
> The __driUtilCreateScreen function (line 1357 and beyond...) is
> freeing, at the end, framebuffer.dev_priv that has never been
> allocated when drmOpen(NULL,BusID) fails to open
> for instance, which must be the case in this bug report (when
> /dev/dri/* are not readable for the user calling the function, for
> instance).
> 
> Initializing framebuffer.dev_priv at NULL at the very beginning of the
> function solved the symptom in my case but access to framebuffer.base
> should probably not be allowed either. In a word: framebuffer should
> be initialized to be somewhat valid in case of failures in the
> function.

Sounds like you could provide a patch? If you do, please also submit it
upstream at http://bugs.freedesktop.org .


-- 
Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer