pidgin crashed with SIGSEGV in g_type_check_instance_cast()

[Thomas M Steenholdt]

Pidgin starts okay, but crashes when double-clicking a buddy (XMPP)

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: pidgin 1:2.10.6-0ubuntu2
ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
Uname: Linux 3.5.0-15-generic x86_64
ApportVersion: 2.5.2-0ubuntu4
Architecture: amd64
CrashCounter: 1
Date: Fri Sep 21 08:31:56 2012
ExecutablePath: /usr/bin/pidgin
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
ProcCmdline: pidgin
ProcEnviron:
 PATH=(custom, user)
 LANG=en_DK.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fcd45f5fe8c <g_type_check_instance_cast+28>: mov (%rax),%rbp
 PC (0x7fcd45f5fe8c) ok
 source "(%rax)" (0x1f00000020) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: pidgin
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk.so.4
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: pidgin crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: Upgraded to quantal on 2012-08-16 (36 days ago)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo wireshark
XsessionErrors:
 (gnome-settings-daemon:2806): color-plugin-WARNING **: failed to reset xrandr-LVDS gamma tables: gamma size is zero
 (gnome-settings-daemon:2806): color-plugin-WARNING **: failed to reset xrandr-LVDS gamma tables: gamma size is zero

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_cast (type_instance=type_instance@entry=0x7fcd4a29fc60, iface_type=140519687843792) at /build/buildd/glib2.0-2.33.14/./gobject/gtype.c:3997
 settings_notify_cb (settings=0x7fcd49db3000, pspec=0x7fcd4a5d1f20, data=0x7fcd4a29fc60) at /build/buildd/libdbusmenu-12.10.1/./libdbusmenu-gtk/parser.c:1327
 g_closure_invoke (closure=0x7fcd4a47e7c0, return_value=0x0, n_param_values=2, param_values=0x7fffe3115a70, invocation_hint=0x7fffe3115a10) at /build/buildd/glib2.0-2.33.14/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=node@entry=0x7fcd49d90430, detail=detail@entry=3828, instance=instance@entry=0x7fcd49db3000, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffe3115a70) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3551
 g_signal_emit_valist (instance=0x7fcd49db3000, signal_id=<optimized out>, detail=3828, var_args=var_args@entry=0x7fffe3115cc8) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3300

[Launchpad Janitor (janitor)]

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