This bug was fixed in the package libgrip -
0.3.7+14.04.20140303-0ubuntu1
---------------
libgrip (0.3.7+14.04.20140303-0ubuntu1) trusty; urgency=low
[ Stephen M. Webb ]
* Replace use of deprecated GTK+-3.0 function in example code. (LP:
#1266597)
* fix some Lintian packaging complaints.
* p revent the Geis object from being used until it has been
successfully initialized (lp: #1276333). (LP: #1276333)
* debian/control: bump Standards-Version to 3.9.5 (no changes)
-- Ubuntu daily release <ps-jenk...@lists.canonical.com> Mon, 03 Mar 2014
20:07:30 +0000
** Changed in: libgrip (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1276333
Title:
evince/eog crash when using untrusted X11
Status in libgrip: multitouch gesture library for GTK:
Fix Committed
Status in “geis” package in Ubuntu:
New
Status in “libgrip” package in Ubuntu:
Fix Released
Bug description:
evince/eog crash when using untrusted X11 connection (ssh -X with
ForwardX11Trusted no) .
Somehow geis->backend ends up being NULL in this case, and it crashes
in geis_backend_create_token which is called with a NULL argument
from geis_backend_token_new (geis.c). I am not sure how this should be
handled, but adding a test at the top of geis_backend_token_new fixes
the problem:
if (!geis->backend)
return NULL;
This causes then a crash later in libgrip in the function
'processed_mapped_window_request' (gripgesturemanager.c), because it
calls geis_filter_add_term with a NULL filter. This may be fixed with
a test after 'geis_filter_new':
GeisFilter window_filter = geis_filter_new(priv->geis, filter_id);
if (NULL == window_filter)
return;
Not sure if there are better ways, but this seems to fix it for me.
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