calibre crashed with SIGSEGV in DBusMenuExporter::setStatus()

[j^]

[103879.165306] calibre[15691]: segfault at 10 ip 00007f4642056210 sp 00007fff2c09b1d8 error 4 in libdbusmenu-qt.so.2.6.0[7f464204d000+32000]

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: calibre 0.8.8+dfsg-1ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Mon Sep 19 13:35:02 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/calibre
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110831)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.7 /usr/bin/calibre
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f4642056210 <_ZN16DBusMenuExporter9setStatusERK7QString>: mov 0x10(%rdi),%rax
 PC (0x7f4642056210) ok
 source "0x10(%rdi)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: calibre
StacktraceTop:
 DBusMenuExporter::setStatus(QString const&) () from /usr/lib/x86_64-linux-gnu/libdbusmenu-qt.so.2
 AppMenuPlatformMenuBar::setAltPressed(bool) () from /usr/lib/x86_64-linux-gnu/qt4/plugins/menubar/libappmenu-qt.so
 AppMenuPlatformMenuBar::menuBarEventFilter(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/qt4/plugins/menubar/libappmenu-qt.so
 QMenuBar::eventFilter(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
Title: calibre crashed with SIGSEGV in DBusMenuExporter::setStatus()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 DBusMenuExporter::setStatus (this=0x0, status=...) at /build/buildd/libdbusmenu-qt-0.9.0/src/dbusmenuexporter.cpp:463
 AppMenuPlatformMenuBar::setAltPressed (this=0x4f88d20, pressed=<optimized out>) at /build/buildd/appmenu-qt-0.2.2/src/appmenuplatformmenubar.cpp:217
 AppMenuPlatformMenuBar::menuBarEventFilter (this=0x4f88d20, event=0x7fff2c09bae0) at /build/buildd/appmenu-qt-0.2.2/src/appmenuplatformmenubar.cpp:180
 QMenuBar::eventFilter (this=0x4f88c70, object=0x49e3cf0, event=0x7fff2c09bae0) at widgets/qmenubar.cpp:1612
 eventFilter (a1=0x7fff2c09bae0, a0=0x49e3cf0, this=0x4f88c70) at sipQtGuipart5.cpp:14684

[Launchpad Janitor (janitor)]

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