gnome-shell crashed with SIGSEGV in __malloc_get_state()

[JIR]

This crash occurred at the same time as a newly-started Wine program froze. I am not sure if the two problems are related.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: gnome-shell 3.10.4-0ubuntu1~saucy1 [origin: LP-PPA-gnome3-team-gnome3]
ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4
Uname: Linux 3.11.0-18-generic i686
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: i386
Date: Thu Mar 20 11:42:41 2014
DisplayManager: gdm
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2012-10-20 (515 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
ProcCmdline: /usr/bin/gnome-shell
SegvAnalysis:
 Segfault happened at: 0xb682b0d6 <__GI___libc_free+38>: mov -0x4(%ecx),%ecx
 PC (0xb682b0d6) ok
 source "-0x4(%ecx)" (0xda859ea4) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 __GI___libc_free (mem=0xda859ea8) at malloc.c:2892
 g_free () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libclutter-1.0.so.0
 g_datalist_clear () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: gnome-shell crashed with SIGSEGV in __GI___libc_free()
UpgradeStatus: Upgraded to saucy on 2013-10-21 (149 days ago)
UserGroups: adm cdrom dialout dip fax floppy fuse lpadmin plugdev sambashare sudo tape vboxusers video

[Ubuntu GNOME (ug-bot)]

StacktraceSource:
 #0 0xb682b0d6 in __malloc_get_state () at hooks.c:466
   [Error: hooks.c was not found in source tree]
 #1 0xb69a0e0c in g_async_queue_push_unlocked (queue=0x9e394b90, data=0x1) at /build/buildd/glib2.0-2.39.3+git20140123.ee38a1af/./glib/gasyncqueue.c:319
   [Error: /build/buildd/glib2.0-2.39.3+git20140123.ee38a1af/./glib/gasyncqueue.c was not found in source tree]
 #2 0xb6db0000 in ?? () from /home/darkxst/gnome3-i386/usr/lib/i386-linux-gnu/libclutter-1.0.so.0
StacktraceTop:
 __malloc_get_state () at hooks.c:466
 g_async_queue_push_unlocked (queue=0x9e394b90, data=0x1) at /build/buildd/glib2.0-2.39.3+git20140123.ee38a1af/./glib/gasyncqueue.c:319
 ?? () from /home/darkxst/gnome3-i386/usr/lib/i386-linux-gnu/libclutter-1.0.so.0