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-gentoo-r5 x86_64

What I was doing when the application crashed:
I moved the archive and feed list from the KDE 3.5.10 akregator to the new one and started reading the new ones. It worked fine for the first feed but it crashed when clicking on the new item in the second feed.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  strlen () at ../sysdeps/x86_64/strlen.S:48
#6  0x00007f95fc588763 in c4_String (this=0x7fffeee437e0, p=0xe68297b0 <Address 0xe68297b0 out of bounds>)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/src/string.cpp:129
#7  0x00007f95fc58a107 in c4_Property (this=0x7fffeee43810, type_=<value optimized out>, name_=0xe68297b0 <Address 0xe68297b0 out of bounds>)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/src/view.cpp:1100
#8  0x00007f95fc57dcec in f4_CreateFormat (prop_=@0x1a32628, seq_=@0x1a37920)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/include/mk4.inl:524
#9  0x00007f95fc58c63d in c4_Sequence::PropIndex (this=0x1a37920, prop_=@0x1a32628)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/src/viewx.cpp:292
#10 0x00007f95fc58d729 in c4_Sequence::Set (this=0xe68297b0, index_=272, prop_=@0x0, buf_=@0x0)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/src/viewx.cpp:325
#11 0x00007f95fc585731 in c4_HashViewer::SetItem (this=0x1a37eb0, row_=272, col_=21, buf_=@0x7fffeee43a00)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/src/remap.cpp:366
#12 0x00007f95fc58cdf4 in c4_Sequence::SetAt (this=0x1a37550, index_=272, newElem_={_seq = 0x2ded010, _index = 0})
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/src/viewx.cpp:104
#13 0x00007f95fc58e76b in Akregator::Backend::FeedStorageMK4Impl::setStatus (this=0x1a36e70, guid=<value optimized out>, status=8)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/plugins/mk4storage/metakit/include/mk4.inl:89
#14 0x00007f95fceb2072 in Akregator::Article::setStatus (this=0x7fffeee43cf0, stat=1) at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/src/article.cpp:367
#15 0x00007f95fceb8515 in Akregator::ArticleModifyJob::doStart (this=0x1e4c100) at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1/akregator/src/articlejobs.cpp:145
#16 0x00007f95fceb8a6d in Akregator::ArticleModifyJob::qt_metacall (this=0x1e4c100, _c=QMetaObject::InvokeMetaMethod, _id=-427649104, _a=<value optimized out>)
    at /var/tmp/portage/kde-base/akregator-4.3.1/work/akregator-4.3.1_build/akregator/src/articlejobs.moc:162
#17 0x00007f9614184e4d in QMetaObject::activate (sender=0x40e6d70, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3101
#18 0x00007f961418b30f in QSingleShotTimer::timerEvent (this=0x40e6d70) at kernel/qtimer.cpp:298
#19 0x00007f96141816e3 in QObject::event (this=0x40e6d70, e=0xe68297b0) at kernel/qobject.cpp:1066
#20 0x00007f9614f2facd in QApplicationPrivate::notify_helper (this=0xf012c0, receiver=0x40e6d70, e=0x7fffeee444d0) at kernel/qapplication.cpp:4056
#21 0x00007f9614f384ea in QApplication::notify (this=0x7fffeee44920, receiver=0x40e6d70, e=0x7fffeee444d0) at kernel/qapplication.cpp:4021
#22 0x00007f9615cb489b in KApplication::notify (this=0x7fffeee44920, receiver=0x40e6d70, event=0x7fffeee444d0)
    at /var/tmp/portage/kde-base/kdelibs-4.3.1-r1/work/kdelibs-4.3.1/kdeui/kernel/kapplication.cpp:302
#23 0x00007f9614172d4b in QCoreApplication::notifyInternal (this=0x7fffeee44920, receiver=0x40e6d70, event=0x7fffeee444d0) at kernel/qcoreapplication.cpp:606
#24 0x00007f961419b21e in QTimerInfoList::activateTimers (this=0xf04b30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#25 0x00007f9614197f3d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#26 0x00007f960f773ce0 in IA__g_main_context_dispatch (context=0xf03910) at gmain.c:1824
#27 0x00007f960f777408 in g_main_context_iterate (context=0xf03910, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2455
#28 0x00007f960f7775cc in IA__g_main_context_iteration (context=0xf03910, may_block=1) at gmain.c:2518
#29 0x00007f9614197e9f in QEventDispatcherGlib::processEvents (this=0xf00010, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#30 0x00007f9614fb5d0f in QGuiEventDispatcherGlib::processEvents (this=0xe68297b0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#31 0x00007f96141716f2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -287029440}) at kernel/qeventloop.cpp:149
#32 0x00007f961417188c in QEventLoop::exec (this=0x7fffeee44780, flags={i = -287029360}) at kernel/qeventloop.cpp:197
#33 0x00007f961417392c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#34 0x0000000000404b59 in main (argc=1, argv=0x7fffeee44ef8) at /var/tmp/portage/kde-base/kontact-4.3.1/work/kontact-4.3.1/kontact/src/main.cpp:218

Reported using DrKonqi