Application: kontact (4.4.3)
KDE Platform Version: 4.4.3 (KDE 4.4.3) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.29.6 x86_64
Distribution (Platform): Slackware Packages

-- Information about the crash:
Crash occurs while pressing right arrows to go to next mail.

 -- Backtrace:
Application: Kontact (kontact), signal: Aborted
[Current thread is 0 (LWP 5050)]

Thread 2 (Thread 0x7f6449b89950 (LWP 17925)):
#0  0x00007f6470f9f41d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f64712464e3 in QWaitConditionPrivate::wait (this=0x1a51df0, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  0x00007f6471246056 in QWaitCondition::wait (this=0x1a4b928, mutex=0x1a4b920, time=30000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f6471236231 in QThreadPoolThread::run (this=0x7f644c001f80) at concurrent/qthreadpool.cpp:140
#4  0x00007f6471245b0a in QThreadPrivate::start (arg=0x7f644c001f80) at thread/qthread_unix.cpp:248
#5  0x00007f6470f9b3a0 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f646f58fbdd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f647733a760 (LWP 5050)):
[KCrash Handler]
#5  0x00007f646f4ddea5 in raise () from /lib64/libc.so.6
#6  0x00007f646f4dfab3 in abort () from /lib64/libc.so.6
#7  0x00007f64712391cd in qt_message_output (msgType=QtFatalMsg, buf=0x3c2af38 "ASSERT: \"i >= 0 && i < size()\" in file /usr/local/qt46/include/QtCore/qbytearray.h, line 397")
    at global/qglobal.cpp:2250
#8  0x00007f64712393c5 in qt_message (msgType=QtFatalMsg, msg=0x7f64713fc168 "ASSERT: \"%s\" in file %s, line %d", ap=0x7fff03d375f0) at global/qglobal.cpp:2296
#9  0x00007f64712394f1 in qFatal (msg=0x7f64713fc168 "ASSERT: \"%s\" in file %s, line %d") at global/qglobal.cpp:2479
#10 0x00007f6471239767 in qt_assert (assertion=0x7f645c86014c "i >= 0 && i < size()", file=0x7f645c860120 "/usr/local/qt46/include/QtCore/qbytearray.h", line=397) at global/qglobal.cpp:2013
#11 0x00007f645c429ea3 in QByteArray::operator[] (this=0x7e29df8, i=21) at /usr/local/qt46/include/QtCore/qbytearray.h:397
#12 0x00007f645c425f33 in KMMessagePart::fileName (this=0x7e29dc8) at /home/fox/src/kde/src/kdepim/kmail/kmmsgpart.cpp:452
#13 0x00007f645c5eac3f in partNode::fillMimePartTree (this=0x7e29da0, parentItem=0x70823b0, mimePartTree=0x0, labelDescr=@0x7fff03d37b10, labelCntType=@0x7fff03d37b00, labelEncoding=@0x7fff03d37af0, 
    size=0, revertOrder=false) at /home/fox/src/kde/src/kdepim/kmail/partNode.cpp:523
#14 0x00007f645c5ea6c2 in partNode::fillMimePartTree (this=0x7295d40, parentItem=0x70823b0, mimePartTree=0x0, labelDescr=@0x7fff03d37e40, labelCntType=@0x7fff03d37e30, labelEncoding=@0x7fff03d37e20, 
    size=0, revertOrder=false) at /home/fox/src/kde/src/kdepim/kmail/partNode.cpp:500
#15 0x00007f645c5eb207 in partNode::fillMimePartTree (this=0x77b5020, parentItem=0x0, mimePartTree=0xc84ae0, labelDescr=@0x7fff03d380c0, labelCntType=@0x7fff03d38170, labelEncoding=@0x7fff03d380b0, 
    size=3729, revertOrder=false) at /home/fox/src/kde/src/kdepim/kmail/partNode.cpp:561
#16 0x00007f645c4072a2 in KMReaderWin::parseMsg (this=0xc85a30, aMsg=0x90f7960) at /home/fox/src/kde/src/kdepim/kmail/kmreaderwin.cpp:1586
#17 0x00007f645c3f8f10 in KMReaderWin::displayMessage (this=0xc85a30) at /home/fox/src/kde/src/kdepim/kmail/kmreaderwin.cpp:1536
#18 0x00007f645c3f9085 in KMReaderWin::updateReaderWin (this=0xc85a30) at /home/fox/src/kde/src/kdepim/kmail/kmreaderwin.cpp:1479
#19 0x00007f645c3fe351 in KMReaderWin::qt_metacall (this=0xc85a30, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0x7fff03d38770) at /home/fox/src/kde/build/kdepim/kmail/kmreaderwin.moc:179
#20 0x00007f647137a89f in QMetaObject::metacall (object=0xc85a30, cl=QMetaObject::InvokeMetaMethod, idx=33, argv=0x7fff03d38770) at kernel/qmetaobject.cpp:237
#21 0x00007f647138fc10 in QMetaObject::activate (sender=0xc85ad8, m=0x7f64716e9740, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#22 0x00007f64713f8986 in QTimer::timeout (this=0xc85ad8) at .moc/debug-shared/moc_qtimer.cpp:134
#23 0x00007f647139a132 in QTimer::timerEvent (this=0xc85ad8, e=0x7fff03d39320) at kernel/qtimer.cpp:271
#24 0x00007f647138a456 in QObject::event (this=0xc85ad8, e=0x7fff03d39320) at kernel/qobject.cpp:1212
#25 0x00007f64701c269b in QApplicationPrivate::notify_helper (this=0x6629c0, receiver=0xc85ad8, e=0x7fff03d39320) at kernel/qapplication.cpp:4304
#26 0x00007f64701c2b24 in QApplication::notify (this=0x7fff03d39790, receiver=0xc85ad8, e=0x7fff03d39320) at kernel/qapplication.cpp:3708
#27 0x00007f6472304b91 in KApplication::notify (this=0x7fff03d39790, receiver=0xc85ad8, event=0x7fff03d39320) at /home/fox/src/kde/src/kdelibs/kdeui/kernel/kapplication.cpp:302
#28 0x00007f6471372a99 in QCoreApplication::notifyInternal (this=0x7fff03d39790, receiver=0xc85ad8, event=0x7fff03d39320) at kernel/qcoreapplication.cpp:704
#29 0x00007f64751fef01 in QCoreApplication::sendEvent () from /usr/local/qt46/lib/libQt3Support.so.4
#30 0x00007f64713b20c7 in QTimerInfoList::activateTimers (this=0x669060) at kernel/qeventdispatcher_unix.cpp:603
#31 0x00007f64713af79f in timerSourceDispatch (source=0x669000) at kernel/qeventdispatcher_glib.cpp:184
#32 0x00007f6468b0528b in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#33 0x00007f6468b08a4d in ?? () from /usr/lib64/libglib-2.0.so.0
#34 0x00007f6468b08c0b in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#35 0x00007f64713ae4c1 in QEventDispatcherGlib::processEvents (this=0x65eec0, flags={i = 64198048}) at kernel/qeventdispatcher_glib.cpp:412
#36 0x00007f64702b69eb in QGuiEventDispatcherGlib::processEvents (this=0x65eec0, flags={i = 64198144}) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f647136ee93 in QEventLoop::processEvents (this=0x7fff03d396e0, flags={i = 64198256}) at kernel/qeventloop.cpp:149
#38 0x00007f647136f0b7 in QEventLoop::exec (this=0x7fff03d396e0, flags={i = 64198384}) at kernel/qeventloop.cpp:201
#39 0x00007f64713734e3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#40 0x00007f64701c562c in QApplication::exec () at kernel/qapplication.cpp:3583
#41 0x00000000004040d4 in main (argc=3, argv=0x7fff03d39c98) at /home/fox/src/kde/src/kdepim/kontact/src/main.cpp:224

Reported using DrKonqi