Application that crashed: kontact
Version of the application: 4.3.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30.5-43.fc11.i586 i686

What I was doing when the application crashed:
When Akregator (in Kontact) crashed I am left with duplicate articles. On restart of Kontact when trying to delete these duplicates Kontact then crashes.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7fb5780 (LWP 22678))]

Thread 2 (Thread 0xb5064b70 (LWP 22688)):
#0  0x00adf422 in __kernel_vsyscall ()
#1  0x0033b2d2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x03e8e2bf in QWaitConditionPrivate::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:85
#3  QWaitCondition::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:159
#4  0x03e83926 in QThreadPoolThread::run (this=0xa754e38) at concurrent/qthreadpool.cpp:140
#5  0x03e8d2f2 in QThreadPrivate::start (arg=0xa754e38) at thread/qthread_unix.cpp:188
#6  0x00336935 in start_thread () from /lib/libpthread.so.0
#7  0x004fc94e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7fb5780 (LWP 22678)):
[KCrash Handler]
#6  0x09259445 in Akregator::Article::title (this=0xa846578) at /usr/src/debug/kdepim-4.3.1/akregator/src/article.cpp:375
#7  0x09265fa5 in Akregator::ArticleModel::Private::Private(const QList<Akregator::Article> &, struct Akregator::ArticleModel *) (this=0xac5c928, articles_=@0xbfe888a4, qq=0xa6789b8)
    at /usr/src/debug/kdepim-4.3.1/akregator/src/articlemodel.cpp:66
#8  0x09266108 in Akregator::ArticleModel::ArticleModel(const QList<Akregator::Article> &, struct QObject *) (this=0xa6789b8, articles=@0xbfe888a4, parent=0x0)
    at /usr/src/debug/kdepim-4.3.1/akregator/src/articlemodel.cpp:69
#9  0x09286d16 in Akregator::SelectionController::articleHeadersAvailable (this=0xa1d7ef0, job=0xabd6160) at /usr/src/debug/kdepim-4.3.1/akregator/src/selectioncontroller.cpp:208
#10 0x0928712f in Akregator::SelectionController::qt_metacall (this=0xa1d7ef0, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xbfe889d8)
    at /usr/src/debug/kdepim-4.3.1/i586-redhat-linux-gnu/akregator/src/selectioncontroller.moc:86
#11 0x03f93843 in QMetaObject::activate (sender=0xabd6160, from_signal_index=4, to_signal_index=4, argv=0xbfe889d8) at kernel/qobject.cpp:3112
#12 0x03f944a2 in QMetaObject::activate (sender=0xabd6160, m=0x43f0ee8, local_signal_index=0, argv=0xbfe889d8) at kernel/qobject.cpp:3186
#13 0x04258743 in KJob::finished (this=0xabd6160, _t1=0xabd6160) at /usr/src/debug/kdelibs-4.3.1/i586-redhat-linux-gnu/kdecore/kjob.moc:167
#14 0x04258a0d in KJob::emitResult (this=0xabd6160) at /usr/src/debug/kdelibs-4.3.1/kdecore/jobs/kjob.cpp:302
#15 0x0926052a in Akregator::ArticleListJob::doList (this=0xabd6160) at /usr/src/debug/kdepim-4.3.1/akregator/src/articlejobs.cpp:190
#16 0x09260671 in Akregator::ArticleListJob::qt_metacall (this=0xabd6160, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0xbfe88b0c)
    at /usr/src/debug/kdepim-4.3.1/i586-redhat-linux-gnu/akregator/src/articlejobs.moc:215
#17 0x03f93843 in QMetaObject::activate (sender=0xa6ae1e0, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3112
#18 0x03f944a2 in QMetaObject::activate (sender=0xa6ae1e0, m=0x406e3c8, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3186
#19 0x03f98957 in QSingleShotTimer::timeout (this=0xa6ae1e0) at .moc/release-shared/qtimer.moc:76
#20 0x03f98a6c in QSingleShotTimer::timerEvent (this=0xa6ae1e0) at kernel/qtimer.cpp:298
#21 0x03f8d95f in QObject::event (this=0xa6ae1e0, e=0xbfe88fa0) at kernel/qobject.cpp:1074
#22 0x04d47974 in QApplicationPrivate::notify_helper (this=0x9f50380, receiver=0xa6ae1e0, e=0xbfe88fa0) at kernel/qapplication.cpp:4056
#23 0x04d4f0e9 in QApplication::notify (this=0xbfe89304, receiver=0xa6ae1e0, e=0xbfe88fa0) at kernel/qapplication.cpp:3603
#24 0x045cc60a in KApplication::notify (this=0xbfe89304, receiver=0xa6ae1e0, event=0xbfe88fa0) at /usr/src/debug/kdelibs-4.3.1/kdeui/kernel/kapplication.cpp:302
#25 0x03f7dafb in QCoreApplication::notifyInternal (this=0xbfe89304, receiver=0xa6ae1e0, event=0xbfe88fa0) at kernel/qcoreapplication.cpp:610
#26 0x03faad6e in QCoreApplication::sendEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.h:213
#27 QTimerInfoList::activateTimers (event=<value optimized out>, receiver=<value optimized out>) at kernel/qeventdispatcher_unix.cpp:572
#28 0x03fa8690 in timerSourceDispatch (source=0x9f3c548) at kernel/qeventdispatcher_glib.cpp:165
#29 0x03d95308 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x03d989e0 in ?? () from /lib/libglib-2.0.so.0
#31 0x03d98b13 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x03fa85dc in QEventDispatcherGlib::processEvents (this=0x9f1ca28, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:327
#33 0x04de6cb5 in QGuiEventDispatcherGlib::processEvents (this=0x9f1ca28, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x03f7c0c9 in QEventLoop::processEvents (this=0xbfe89264, flags={i = 36}) at kernel/qeventloop.cpp:149
#35 0x03f7c51a in QEventLoop::exec (this=0xbfe89264, flags={i = 0}) at kernel/qeventloop.cpp:201
#36 0x03f7e99f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x04d477f7 in QApplication::exec () at kernel/qapplication.cpp:3525
#38 0x0804b2e6 in main (argc=1, argv=0xbfe89524) at /usr/src/debug/kdepim-4.3.1/kontact/src/main.cpp:218

Reported using DrKonqi