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Bug#152128: vcg: xvcg dies with segfault when opening a vcg file

On Thu, Mar 09, 2006 at 11:19:38AM +0100, Matej Vela wrote:
> Justin Pryzby <justinpryzby@users.sourceforge.net> writes:
> > On Tue, Mar 07, 2006 at 11:47:25PM +0100, Matej Vela wrote:
> >> I think I've tracked this down to a memory overrun in src/X11dev.c.
> >> Does the attached patch work for you?
> >
> > That's awesome :)  How did you find it?
> I set a bunch of breakpoints to see where the stack got corrupted, i.e.
> where backtrace started printing question marks.  It turned out the code
> was using an XAnyEvent (size 20) in place of an XEvent (size 96); thus
> the overrun.
Saw that ..

> > I note that there's still a number of valgrind warnings :/
> Mostly harmless as far as I can tell, but patches are always welcome. ;)
What leads you to believe that they are harmless?  Sorry, just trying
to learn something (else) :)


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