Application: kwalletd (0.2)
KDE Platform Version: 4.12.95
Qt Version: 4.8.6
Operating System: Linux 3.13.0-10-generic x86_64
Distribution: Ubuntu Trusty Tahr (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Kwallet crashes from time to time for no apparent reason (Kubuntu 14.04 KDE 4.13 Beta)

-- Backtrace:
Application: KDE Wallet Service (kwalletd), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  QList<unsigned long>::removeAll (this=this@entry=0x18d0e20, _t=@0x7fffc6a8d8a8: 27263210) at /usr/include/qt4/QtCore/qlist.h:784
#7  0x00007fef86179ae7 in KWindowSystemPrivate::removeClient (this=0x18d0dd0, w=27263210) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:305
#8  0x00007fef8618846b in NETRootInfo::update (this=this@entry=0x18d0df8, dirty_props=dirty_props@entry=0x7fffc6a8da30) at ../../kdeui/windowmanagement/netwm.cpp:2224
#9  0x00007fef861898bb in NETRootInfo::event (this=this@entry=0x18d0df8, event=event@entry=0x7fffc6a8dba0, properties=properties@entry=0x7fffc6a8dab0, properties_size=properties_size@entry=5) at ../../kdeui/windowmanagement/netwm.cpp:2099
#10 0x00007fef861796bb in KWindowSystemPrivate::x11Event (this=0x18d0dd0, ev=0x7fffc6a8dba0) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:190
#11 0x00007fef8607dd48 in publicX11Event (e=0x7fffc6a8dba0, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#12 KSystemEventFilterPrivate::filterEvent (this=0x19fd640, message=0x7fffc6a8dba0) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#13 0x00007fef84cfe35e in QAbstractEventDispatcher::filterEvent (this=0x1a80750, message=0x1a80768, message@entry=0x7fffc6a8dba0) at kernel/qabstracteventdispatcher.cpp:542
#14 0x00007fef84147a30 in x11EventSourceDispatch (s=0x18e7c30, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#15 0x00007fef80a54e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fef80a55048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007fef80a550ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fef84d397a1 in QEventDispatcherGlib::processEvents (this=0x18db0c0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#19 0x00007fef84147bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#20 0x00007fef84d0b0af in QEventLoop::processEvents (this=this@entry=0x7fffc6a8df70, flags=...) at kernel/qeventloop.cpp:149
#21 0x00007fef84d0b3a5 in QEventLoop::exec (this=this@entry=0x7fffc6a8df70, flags=...) at kernel/qeventloop.cpp:204
#22 0x00007fef84d10b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#23 0x00007fef840a437c in QApplication::exec () at kernel/qapplication.cpp:3828
#24 0x00007fef86853486 in kdemain (argc=1, argv=0x7fffc6a8e298) at ../../kwalletd/main.cpp:191
#25 0x00007fef8649eec5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=1, argv=0x7fffc6a8e298, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc6a8e288) at libc-start.c:287
#26 0x00000000004006fe in _start ()

Reported using DrKonqi