xlib/libxi crash

[Peter Hutterer]

On Wed, May 12, 2010 at 11:02:10AM +0300, Rami Ylimäki wrote:
> ext Daniel Stone wrote:
> >On Wed, May 12, 2010 at 11:59:57AM +1000, Peter Hutterer wrote:
> >>Have a look at commit c34f76f475bc632490122e67b5a82575d69d5569
> >>    Pull down extra bytes when reading a GenericEvent (non-xcb).
> >>
> >>in libX11, I strongly suspect that this is the root issue here. libXi
> >>probably just uncovers this as XI2 is the only extension using long events
> >>so far.
> >
> >It's wildly incomplete, though:
> >http://people.freedesktop.org/~daniels/libx11-1.1.5-prexcb-genericevents.diff
> >is a better approximation of what's needed; works with 1.1.5 at least.
> >(Nevermind the version number in the directory name, long story.)
> >
> >Cheers,
> >Daniel
> 
> Thanks, it's indeed a problem in Xlib. I already tested the patch
> from Daniel but was still getting segmentation faults and sequence
> lost errors when testing with "xinput test-xi2" for example.
> However, the patch from Daniel certainly helps me to avoid the
> original crashes that I had. Unfortunately I haven't currently had
> time to investigate the remaining problems further.

can you open a bug for this please. I don't think I'll find the time to
investigate this either right now (non-xcb is somewhat of a limited use-case
for me) but having at least a bug number to point others too would be good.

Cheers,
  Peter