yelp crashed with SIGSEGV in location_entry_constructed()

[LuoZheng]

i pressed F1 when using gedit and soon yelp crashed.no other influence.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: yelp 3.12.0-1~trusty1 [origin: LP-PPA-gnome3-team-gnome3-staging]
ProcVersionSignature: Ubuntu 3.13.0-31.55-generic 3.13.11.4
Uname: Linux 3.13.0-31-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: i386
CurrentDesktop: GNOME
Date: Mon Jul 7 22:28:38 2014
ExecutablePath: /usr/bin/yelp
InstallationDate: Installed on 2014-02-04 (153 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release i386 (20131016.1)
LocalLibraries: /home/lz/.mozilla/plugins/libaliedit32.so
ProcCmdline: yelp help:gnome-terminal
ProcEnviron:
 XDG_RUNTIME_DIR=<set>
 SHELL=/bin/bash
 LANGUAGE=zh_CN:zh
 PATH=(custom, no user)
 LANG=zh_CN.UTF-8
SegvAnalysis:
 Segfault happened at: 0xb76cc6a8: mov (%edx),%eax
 PC (0xb76cc6a8) ok
 source "(%edx)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: yelp
StacktraceTop:
 ?? () from /usr/lib/libyelp.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_object_new_valist () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_object_new () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 yelp_location_entry_new () from /usr/lib/libyelp.so.0
Title: yelp crashed with SIGSEGV in g_object_new_valist()
UpgradeStatus: Upgraded to trusty on 2014-04-19 (78 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Ubuntu GNOME (ug-bot)]

StacktraceTop:
 location_entry_constructed (object=0x9ce0250) at yelp-location-entry.c:450
 g_object_new_internal (class=class@entry=0x9cdaf78, params=0xbfaabbfc, n_params=3) at /build/buildd/glib2.0-2.41.2~git20140706.60226a03/./gobject/gobject.c:1814
 g_object_new_valist (object_type=object_type@entry=164462280, first_property_name=first_property_name@entry=0xb76e3417 "has-entry", var_args=<optimized out>, var_args@entry=0xbfaabcc8 "\001") at /build/buildd/glib2.0-2.41.2~git20140706.60226a03/./gobject/gobject.c:2034
 g_object_new (object_type=164462280, first_property_name=first_property_name@entry=0xb76e3417 "has-entry") at /build/buildd/glib2.0-2.41.2~git20140706.60226a03/./gobject/gobject.c:1617
 yelp_location_entry_new (view=0x9c96370, bookmarks=0x9b218e0) at yelp-location-entry.c:1627