qbittorrent crashed with SIGSEGV in QFactoryLoader::instance()

[miraceti]

Qbittorrent crashed on startup, after the crash it start ok.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: qbittorrent 2.9.5-1
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Mon Mar 12 16:04:57 2012
ExecutablePath: /usr/bin/qbittorrent
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110831)
ProcCmdline: qbittorrent
ProcEnviron:
 LANGUAGE=en_AU:en
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fb4b7736040: add %al,(%rax)
 PC (0x7fb4b7736040) ok
 source "%al" ok
 destination "(%rax)" (0x7fb4b7736040) in non-writable VMA region: 0x7fb4b7732000-0x7fb4b773c000 r-xp /usr/lib/x86_64-linux-gnu/qt4/plugins/menubar/libappmenu-qt.so
SegvReason: writing VMA /usr/lib/x86_64-linux-gnu/qt4/plugins/menubar/libappmenu-qt.so
Signal: 11
SourcePackage: qbittorrent
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/menubar/libappmenu-qt.so
 QFactoryLoader::instance(QString const&) const () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
 QIcon::addFile(QString const&, QSize const&, QIcon::Mode, QIcon::State) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 QIcon::QIcon(QString const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
Title: qbittorrent crashed with SIGSEGV in QFactoryLoader::instance()
UpgradeStatus: Upgraded to precise on 2012-03-12 (0 days ago)
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 ?? () from /tmp/tmpIJpdF2/usr/lib/x86_64-linux-gnu/qt4/plugins/menubar/libappmenu-qt.so
 QFactoryLoader::instance (this=<optimized out>, key=<optimized out>) at plugin/qfactoryloader.cpp:276
 QIcon::addFile (this=0x7fff662affe0, fileName=..., size=..., mode=QIcon::Normal, state=QIcon::Off) at image/qicon.cpp:843
 QIcon::QIcon (this=<optimized out>, fileName=<optimized out>) at image/qicon.cpp:565
 ScalableEntry::pixmap (this=0x17ef420, size=..., mode=QIcon::Normal, state=QIcon::Off) at image/qiconloader.cpp:515

[Launchpad Janitor (janitor)]

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