mission-control-5 crashed with SIGSEGV in _int_free()

[Phil Corbett]

This just randomly popped up when I was using Empathy. No other apps were running at the time.

phil@ubuntu:~$ lsb_release -rd
Description: Ubuntu precise (development branch)
Release: 12.04

phil@ubuntu:~$ apt-cache policy telepathy-mission-control-5
telepathy-mission-control-5:
  Installed: 1:5.12.0-0ubuntu2
  Candidate: 1:5.12.0-0ubuntu2
  Version table:
 *** 1:5.12.0-0ubuntu2 0
        500 http://gb.archive.ubuntu.com/ubuntu/ precise/main i386 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: telepathy-mission-control-5 1:5.12.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
ApportVersion: 2.0.1-0ubuntu2
Architecture: i386
Date: Fri Apr 13 14:33:44 2012
ExecutablePath: /usr/lib/telepathy/mission-control-5
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic-pae root=UUID=BE762CEC762CA75D loop=/hostname/disks/root.disk ro quiet splash vt.handoff=7
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
SegvAnalysis:
 Segfault happened at: 0xb705094f: lock cmpxchg %ecx,(%edx)
 PC (0xb705094f) ok
 source "%ecx" ok
 destination "(%edx)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: telepathy-mission-control-5
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_free () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_hash_table_remove_all () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: mission-control-5 crashed with SIGSEGV in g_free()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Phil Corbett (chubble-10)]

It happened when I was being prompted for my Google Talk password

[Apport retracing service (apport)]

StacktraceTop:
 _int_free (av=0x0, p=0x8455a30, have_lock=0) at malloc.c:4031
 standard_free (mem=0x8455a38) at /build/buildd/glib2.0-2.32.0/./glib/gmem.c:98
 g_free (mem=0x8455a38) at /build/buildd/glib2.0-2.32.0/./glib/gmem.c:252
 g_hash_table_remove_all_nodes (hash_table=0x83b8650, notify=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/ghash.c:533
 g_hash_table_remove_all (hash_table=0x83b8650) at /build/buildd/glib2.0-2.32.0/./glib/ghash.c:1345

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.