Application that crashed: akregator
Version of the application: 1.5.1
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.5-127.fc12.x86_64 x86_64

What I was doing when the application crashed:
Using Akregator on a fresh Fedora 12 x86_64 installation.  Feeds are imported correctly from previous version (whatever was in Fedora 8), but clicking on an article to view it causes an immediate crash.

 -- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fd2d8b6f840 (LWP 2092))]

Thread 3 (Thread 0x7fd2ca49f710 (LWP 2113)):
#0  0x0000003ee64d4aa3 in poll () from /lib64/libc.so.6
#1  0x0000003ee900a2a5 in send_dg () from /lib64/libresolv.so.2
#2  0x0000003ee900be54 in __libc_res_nsend () from /lib64/libresolv.so.2
#3  0x0000003ee9008771 in __libc_res_nquery () from /lib64/libresolv.so.2
#4  0x0000003ee9008d01 in __libc_res_nquerydomain () from /lib64/libresolv.so.2
#5  0x0000003ee900950b in __libc_res_nsearch () from /lib64/libresolv.so.2
#6  0x00007fd2c8e72807 in _nss_dns_gethostbyname4_r () from /lib64/libnss_dns.so.2
#7  0x0000003ee64c6944 in gaih_inet () from /lib64/libc.so.6
#8  0x0000003ee64c870f in getaddrinfo () from /lib64/libc.so.6
#9  0x0000003ef288c162 in ?? () from /usr/lib64/libQtNetwork.so.4
#10 0x0000003ef2881c22 in QHostInfo::fromName(QString const&) () from /usr/lib64/libQtNetwork.so.4
#11 0x0000003ef71b8ccb in ?? () from /usr/lib64/libkio.so.5
#12 0x0000003ef71b93e7 in ?? () from /usr/lib64/libkio.so.5
#13 0x0000003ef1c50d14 in ?? () from /usr/lib64/libQtCore.so.4
#14 0x0000003ef1c59d25 in ?? () from /usr/lib64/libQtCore.so.4
#15 0x0000003ee6c06a3a in start_thread () from /lib64/libpthread.so.0
#16 0x0000003ee64ddf3d in clone () from /lib64/libc.so.6
#17 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd2c9a9e710 (LWP 2114)):
#0  0x0000003ee64d4aa3 in poll () from /lib64/libc.so.6
#1  0x0000003ee900a2a5 in send_dg () from /lib64/libresolv.so.2
#2  0x0000003ee900be54 in __libc_res_nsend () from /lib64/libresolv.so.2
#3  0x0000003ee9008771 in __libc_res_nquery () from /lib64/libresolv.so.2
#4  0x0000003ee9008d01 in __libc_res_nquerydomain () from /lib64/libresolv.so.2
#5  0x0000003ee900950b in __libc_res_nsearch () from /lib64/libresolv.so.2
#6  0x00007fd2c8e72807 in _nss_dns_gethostbyname4_r () from /lib64/libnss_dns.so.2
#7  0x0000003ee64c6944 in gaih_inet () from /lib64/libc.so.6
#8  0x0000003ee64c870f in getaddrinfo () from /lib64/libc.so.6
#9  0x0000003ef288c162 in ?? () from /usr/lib64/libQtNetwork.so.4
#10 0x0000003ef2881c22 in QHostInfo::fromName(QString const&) () from /usr/lib64/libQtNetwork.so.4
#11 0x0000003ef71b8ccb in ?? () from /usr/lib64/libkio.so.5
#12 0x0000003ef71b93e7 in ?? () from /usr/lib64/libkio.so.5
#13 0x0000003ef1c50d14 in ?? () from /usr/lib64/libQtCore.so.4
#14 0x0000003ef1c59d25 in ?? () from /usr/lib64/libQtCore.so.4
#15 0x0000003ee6c06a3a in start_thread () from /lib64/libpthread.so.0
#16 0x0000003ee64ddf3d in clone () from /lib64/libc.so.6
#17 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd2d8b6f840 (LWP 2092)):
[KCrash Handler]
#5  0x00007fd2d0919623 in QString::free(QString::Data*) () from /usr/lib64/kde4/akregator_mk4storage_plugin.so
#6  0x00007fd2d0925b42 in QString::free(QString::Data*) () from /usr/lib64/kde4/akregator_mk4storage_plugin.so
#7  0x00007fd2d09106bb in QString::free(QString::Data*) () from /usr/lib64/kde4/akregator_mk4storage_plugin.so
#8  0x00007fd2d0919626 in QString::free(QString::Data*) () from /usr/lib64/kde4/akregator_mk4storage_plugin.so
#9  0x00007fd2d092652e in QString::free(QString::Data*) () from /usr/lib64/kde4/akregator_mk4storage_plugin.so
#10 0x00007fd2d0923928 in QString::free(QString::Data*) () from /usr/lib64/kde4/akregator_mk4storage_plugin.so
#11 0x00007fd2d092b641 in QString::free(QString::Data*) () from /usr/lib64/kde4/akregator_mk4storage_plugin.so
#12 0x00007fd2d0d7fdb7 in Akregator::Article::enclosure() const () from /usr/lib64/kde4/akregatorpart.so
#13 0x00007fd2d0dd62c7 in ?? () from /usr/lib64/kde4/akregatorpart.so
#14 0x00007fd2d0dcb575 in ?? () from /usr/lib64/kde4/akregatorpart.so
#15 0x00007fd2d0df1f93 in Akregator::MainWidget::slotArticleSelected(Akregator::Article const&) () from /usr/lib64/kde4/akregatorpart.so
#16 0x00007fd2d0df7ea6 in Akregator::MainWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/kde4/akregatorpart.so
#17 0x0000003ef1d5408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#18 0x00007fd2d0d7f265 in KConfigGroup::writeEntry(QString const&, QStringList const&, QFlags<KConfigBase::WriteConfigFlag>) () from /usr/lib64/kde4/akregatorpart.so
#19 0x00007fd2d0da8d0d in ?? () from /usr/lib64/kde4/akregatorpart.so
#20 0x00007fd2d0daa3fc in ?? () from /usr/lib64/kde4/akregatorpart.so
#21 0x0000003ef1d5408c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#22 0x0000003ef32ac8d7 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () from /usr/lib64/libQtGui.so.4
#23 0x0000003ef32b12ff in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () from /usr/lib64/libQtGui.so.4
#24 0x0000003ef32b4298 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib64/libQtGui.so.4
#25 0x0000003ef329a961 in ?? () from /usr/lib64/libQtGui.so.4
#26 0x0000003ef329b5e9 in QTreeView::setSelection(QRect const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib64/libQtGui.so.4
#27 0x0000003ef3261c36 in QAbstractItemView::mousePressEvent(QMouseEvent*) () from /usr/lib64/libQtGui.so.4
#28 0x00007fd2d0db3f06 in Akregator::ArticleListView::mousePressEvent(QMouseEvent*) () from /usr/lib64/kde4/akregatorpart.so
#29 0x0000003ef2dddcbe in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x0000003ef3135a16 in QFrame::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#31 0x0000003ef3266abb in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib64/libQtGui.so.4
#32 0x0000003ef329d9d0 in QTreeView::viewportEvent(QEvent*) () from /usr/lib64/libQtGui.so.4
#33 0x0000003ef1d3e187 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#34 0x0000003ef2d8f62c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#35 0x0000003ef2d96715 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#36 0x0000003ef6211786 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#37 0x0000003ef1d3ee6c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#38 0x0000003ef2d95ff2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib64/libQtGui.so.4
#39 0x0000003ef2dfb9ee in ?? () from /usr/lib64/libQtGui.so.4
#40 0x0000003ef2dfaaa8 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#41 0x0000003ef2e2284c in ?? () from /usr/lib64/libQtGui.so.4
#42 0x0000003ee8c3922e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#43 0x0000003ee8c3cc18 in ?? () from /lib64/libglib-2.0.so.0
#44 0x0000003ee8c3cd3a in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#45 0x0000003ef1d671e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#46 0x0000003ef2e21ffe in ?? () from /usr/lib64/libQtGui.so.4
#47 0x0000003ef1d3d772 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#48 0x0000003ef1d3db44 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#49 0x0000003ef1d3fcd9 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#50 0x0000000000408dad in _start ()

Reported using DrKonqi