Application: kontact (4.11.3)
KDE Platform Version: 4.11.3
Qt Version: 4.8.4
Operating System: Linux 3.11.0-15-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
After clicking the feeds icon Kontact will crash every time

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6554be9800 (LWP 6150))]

Thread 5 (Thread 0x7f6534c0d700 (LWP 6151)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f654f9d71cd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f654f9d7209 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f654c101f6e in start_thread (arg=0x7f6534c0d700) at pthread_create.c:311
#4  0x00007f65521679cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f64f430a700 (LWP 6152)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f654f717bbd in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f654fa06a76 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f654c101f6e in start_thread (arg=0x7f64f430a700) at pthread_create.c:311
#4  0x00007f65521679cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f64e4b66700 (LWP 6159)):
#0  0x00007f654c105043 in __pthread_mutex_unlock_usercnt (mutex=0x7f64d8000a60, decr=1) at pthread_mutex_unlock.c:41
#1  0x00007f654bc693d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f654bc295b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f654bc297ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f65528e0a76 in QEventDispatcherGlib::processEvents (this=0x7f64d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f65528b25ef in QEventLoop::processEvents (this=this@entry=0x7f64e4b65d30, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f65528b28e5 in QEventLoop::exec (this=this@entry=0x7f64e4b65d30, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f65527b188f in QThread::exec (this=this@entry=0x2385a60) at thread/qthread.cpp:542
#8  0x00007f6552893d13 in QInotifyFileSystemWatcherEngine::run (this=0x2385a60) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f65527b3f2f in QThreadPrivate::start (arg=0x2385a60) at thread/qthread_unix.cpp:338
#10 0x00007f654c101f6e in start_thread (arg=0x7f64e4b66700) at pthread_create.c:311
#11 0x00007f65521679cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f64df197700 (LWP 6161)):
#0  0x00007f654bc690ed in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f654bc69399 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f654bc28c17 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f654bc295c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f654bc297ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f65528e0a76 in QEventDispatcherGlib::processEvents (this=0x7f64cc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f65528b25ef in QEventLoop::processEvents (this=this@entry=0x7f64df196d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f65528b28e5 in QEventLoop::exec (this=this@entry=0x7f64df196d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f65527b188f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f65527b3f2f in QThreadPrivate::start (arg=0x1c747f0) at thread/qthread_unix.cpp:338
#10 0x00007f654c101f6e in start_thread (arg=0x7f64df197700) at pthread_create.c:311
#11 0x00007f65521679cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f6554be9800 (LWP 6150)):
[KCrash Handler]
#6  __memcpy_ssse3 () at ../sysdeps/x86_64/multiarch/memcpy-ssse3.S:2495
#7  0x00007f64c89bb5d6 in memcpy (__len=<optimized out>, __src=<optimized out>, __dest=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:51
#8  c4_Bytes::_MakeCopy (this=0x7fffd8b792c0) at ../../../../akregator/plugins/mk4storage/metakit/src/table.cpp:138
#9  0x00007f64c89b1b53 in c4_FormatB::SetOne (this=0xd59a9b0, index_=0, xbuf_=..., ignoreMemos_=ignoreMemos_@entry=false) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:594
#10 0x00007f64c89b25f1 in c4_FormatS::Set (this=<optimized out>, index_=<optimized out>, buf_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/format.cpp:862
#11 0x00007f64c89bdf1d in c4_Sequence::SetAt (this=0xd449bb0, index_=index_@entry=0, newElem_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/viewx.cpp:103
#12 0x00007f64c89bc8ac in c4_Row::operator= (this=this@entry=0x7fffd8b79440, rowRef_=...) at ../../../../akregator/plugins/mk4storage/metakit/src/view.cpp:1007
#13 0x00007f64c89bfe77 in Akregator::Backend::FeedStorageMK4Impl::setStatus (this=0xb7d6e00, guid=..., status=1) at ../../../../akregator/plugins/mk4storage/feedstoragemk4impl.cpp:394
#14 0x00007f64c9f86fd3 in Akregator::Article::setStatus (this=0xd436470, stat=0) at ../../../akregator/src/article.cpp:368
#15 0x00007f64c9f8bf98 in Akregator::Feed::fetch (this=0xb7d8800, followDiscovery=followDiscovery@entry=false) at ../../../akregator/src/feed.cpp:587
#16 0x00007f64c9fa49d8 in Akregator::FetchQueue::fetchNextFeed (this=0x83a3190) at ../../../akregator/src/fetchqueue.cpp:90
#17 0x00007f64c9fa4a9c in Akregator::FetchQueue::addFeed (this=this@entry=0x83a3190, f=f@entry=0xb7d8800) at ../../../akregator/src/fetchqueue.cpp:77
#18 0x00007f64c9f8a06c in Akregator::Feed::slotAddToFetchQueue (this=0xb7d8800, queue=0x83a3190, intervalFetchOnly=<optimized out>) at ../../../akregator/src/feed.cpp:438
#19 0x00007f64c9fa1538 in Akregator::Folder::slotAddToFetchQueue (this=<optimized out>, queue=0x83a3190, intervalFetchOnly=<optimized out>) at ../../../akregator/src/folder.cpp:356
#20 0x00007f64de0ccd3b in Akregator::MainWidget::slotFetchAllFeeds (this=0xa7924a0) at ../../../akregator/src/mainwidget.cpp:795
#21 0x00007f64de0c8a99 in Akregator::Part::qt_static_metacall (_o=0xd553ad5, _id=4137, _a=0x15, _c=<optimized out>) at ./akregator_part.moc:164
#22 0x00007f65528c7a58 in QMetaObject::activate (sender=0xa8e0730, m=m@entry=0x7f64de315320 <Akregator::LoadFeedListCommand::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffd8b79750) at kernel/qobject.cpp:3539
#23 0x00007f64de0b5f59 in result (_t1=..., this=<optimized out>) at ./loadfeedlistcommand.moc:104
#24 Akregator::LoadFeedListCommand::Private::emitResult (this=this@entry=0xa8e0760, list=...) at ../../../akregator/src/loadfeedlistcommand.cpp:62
#25 0x00007f64de0b6331 in Akregator::LoadFeedListCommand::Private::handleDocument (this=this@entry=0xa8e0760, doc=...) at ../../../akregator/src/loadfeedlistcommand.cpp:84
#26 0x00007f64de0b6ce3 in Akregator::LoadFeedListCommand::Private::doLoad (this=0xa8e0760) at ../../../akregator/src/loadfeedlistcommand.cpp:184
#27 0x00007f64de0b6faa in Akregator::LoadFeedListCommand::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./loadfeedlistcommand.moc:55
#28 0x00007f65528c7a58 in QMetaObject::activate (sender=sender@entry=0x29475a0, m=m@entry=0x7f6552c13e40 <QSingleShotTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#29 0x00007f65528d088a in timeout (this=0x29475a0) at .moc/release-shared/qtimer.moc:97
#30 QSingleShotTimer::timerEvent (this=0x29475a0) at kernel/qtimer.cpp:317
#31 0x00007f65528cbbe1 in QObject::event (this=0x29475a0, e=<optimized out>) at kernel/qobject.cpp:1156
#32 0x00007f65532a4dfc in QApplicationPrivate::notify_helper (this=this@entry=0x1a1b290, receiver=receiver@entry=0x29475a0, e=e@entry=0x7fffd8b79f20) at kernel/qapplication.cpp:4567
#33 0x00007f65532ab470 in QApplication::notify (this=this@entry=0x7fffd8b7a2a0, receiver=receiver@entry=0x29475a0, e=e@entry=0x7fffd8b79f20) at kernel/qapplication.cpp:4353
#34 0x00007f6553faea6a in KApplication::notify (this=0x7fffd8b7a2a0, receiver=0x29475a0, event=0x7fffd8b79f20) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f65528b38bd in QCoreApplication::notifyInternal (this=0x7fffd8b7a2a0, receiver=0x29475a0, event=0x7fffd8b79f20) at kernel/qcoreapplication.cpp:946
#36 0x00007f65528e3403 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#37 QTimerInfoList::activateTimers (this=0x1a26930) at kernel/qeventdispatcher_unix.cpp:622
#38 0x00007f65528e07a1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#39 0x00007f654bc293b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f654bc29708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f654bc297ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f65528e0a55 in QEventDispatcherGlib::processEvents (this=0x19df690, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#43 0x00007f65533469d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#44 0x00007f65528b25ef in QEventLoop::processEvents (this=this@entry=0x7fffd8b7a1a0, flags=...) at kernel/qeventloop.cpp:149
#45 0x00007f65528b28e5 in QEventLoop::exec (this=this@entry=0x7fffd8b7a1a0, flags=...) at kernel/qeventloop.cpp:204
#46 0x00007f65528b7e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#47 0x00007f65532a334c in QApplication::exec () at kernel/qapplication.cpp:3828
#48 0x0000000000403660 in main (argc=1, argv=0x7fffd8b7a3e8) at ../../../kontact/src/main.cpp:219

Reported using DrKonqi