xinput test crashes server when touchpad clicked

Magnus Kessler Magnus.Kessler at
Fri Nov 28 00:48:03 PST 2008

On Thursday 27 November 2008, Peter Hutterer wrote:
> On Thu, Nov 27, 2008 at 11:49:58AM +0000, Magnus Kessler wrote:
> > Tested-by: Magnus Kessler <Magnus.Kessler at>
> >
> > That patch works fine for me. Thanks for fixing this.
> >
> > However, I see that the same unchecked access to p->key->xkbInfo exists
> > in other functions in xkbEvents.c as well, notably XkbSendStateNotify
> > and XkbSendControlsNotify (where it might be guarded by the
> > xkb_interest field?), XkbSendMapNotify, XkbHandleBell and
> > XkbSendActionMessage.
> >
> > It seems clear from the naming ("kbd") of the DeviceIntPtr parameter in
> > those cases that above functions are intended to be called only for
> > regular keyboard devices? Is this guaranteed?
> IIRC, these functions were always called with the VCK so that wouldn't
> cause any problems. We can't easily do that anymore, so the "bail out if
> it's not a keyboard" is the best approach.
> I'll amend the patch to fix the other occurances, but it'll take me a few
> days. If you get to it on the weekend, I'll be happy to review.
> Cheers,
>   Peter

Looks like you beat me to it with with the patch in your latest patch-set 
for 1.6. Please apply to main as well.



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