Application: kmail (1.13.5)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:

I was using firefox and used the "Send link"  menu option in the File menu. KMail was not configured.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fdbc9c20820 (LWP 2017))]

Thread 2 (Thread 0x7fdba7585710 (LWP 2027)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fdba75849d0 in ?? ()
#2  0x00007fff5d904852 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7fdbc9c20820 (LWP 2017)):
[KCrash Handler]
#6  size (this=0x18) at /usr/include/qt4/QtCore/qhash.h:291
#7  QHash<QString, MessageList::Core::Aggregation*>::values (this=0x18) at /usr/include/qt4/QtCore/qhash.h:693
#8  0x00007fdbc1d05d5e in MessageList::Utils::AggregationComboBoxPrivate::slotLoadAggregations (this=0xf3c330) at ../../messagelist/utils/aggregationcombobox.cpp:93
#9  0x00007fdbc1d05f69 in MessageList::Utils::AggregationComboBox::AggregationComboBox (this=0xf39fc0, parent=<value optimized out>) at ../../messagelist/utils/aggregationcombobox.cpp:35
#10 0x00007fdbc84e03ee in AppearancePageHeadersTab::AppearancePageHeadersTab (this=0xf3a1f0, parent=<value optimized out>) at ../../kmail/configuredialog.cpp:1606
#11 0x00007fdbc84e1311 in AppearancePage::AppearancePage (this=0x1009090, instance=<value optimized out>, parent=<value optimized out>) at ../../kmail/configuredialog.cpp:1128
#12 0x00007fdba6b836d7 in create_kmail_config_appearance (parent=0x1029310) at ../../kmail/kcm_kmail.cpp:49
#13 0x00007fdbbe8331f9 in KCModuleLoader::loadModule (mod=..., report=<value optimized out>, parent=<value optimized out>, args=<value optimized out>) at ../../kutils/kcmoduleloader.cpp:111
#14 0x00007fdbbe837699 in KCModuleProxyPrivate::loadModule (this=0xec0be0) at ../../kutils/kcmoduleproxy.cpp:106
#15 0x00007fdbbe8381c5 in KCModuleProxy::realModule (this=<value optimized out>) at ../../kutils/kcmoduleproxy.cpp:83
#16 0x00007fdbbe838239 in KCModuleProxy::useRootOnlyMessage (this=0x7fff5d8ac7a0) at ../../kutils/kcmoduleproxy.cpp:315
#17 0x00007fdbbe83479e in KCMultiDialog::addModule (this=0xda52f0, moduleInfo=..., parentItem=<value optimized out>, args=<value optimized out>) at ../../kutils/kcmultidialog.cpp:339
#18 0x00007fdbbe83558e in KCMultiDialog::addModule (this=0xda52f0, path=<value optimized out>, args=...) at ../../kutils/kcmultidialog.cpp:320
#19 0x00007fdbc84bfc49 in ConfigureDialog::ConfigureDialog (this=0xda52f0, parent=<value optimized out>, modal=<value optimized out>) at ../../kmail/configuredialog.cpp:212
#20 0x00007fdbc8695619 in KMKernel::slotShowConfigurationDialog (this=0x7fff5d8af750) at ../../kmail/kmkernel.cpp:2014
#21 0x00007fdbc86a10e6 in KMKernel::qt_metacall (this=0x7fff5d8af750, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff5d8ade50) at ./kmkernel.moc:241
#22 0x00007fdbc6fcbb27 in QMetaObject::activate (sender=0xbe7370, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fdbc72e60f0) at kernel/qobject.cpp:3280
#23 0x00007fdbc7497852 in QAction::triggered (this=0x7fff5d8ac7a0, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#24 0x00007fdbc7498f5b in QAction::activate (this=0xbe7370, event=<value optimized out>) at kernel/qaction.cpp:1256
#25 0x00007fdbc78ffdc1 in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0xbe7370, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:993
#26 0x00007fdbc7905782 in QMenuPrivate::activateAction (this=0xc65dd0, action=0xbe7370, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1085
#27 0x00007fdbc9727cee in KMenu::mouseReleaseEvent (this=0xc65d90, e=0x18) at ../../kdeui/widgets/kmenu.cpp:471
#28 0x00007fdbc74f504e in QWidget::event (this=0xc65d90, event=0x7fff5d8aeaa0) at kernel/qwidget.cpp:8187
#29 0x00007fdbc790790b in QMenu::event (this=0xc65d90, e=0x7fff5d8aeaa0) at widgets/qmenu.cpp:2410
#30 0x00007fdbc749efdc in QApplicationPrivate::notify_helper (this=0x7956c0, receiver=0xc65d90, e=0x7fff5d8aeaa0) at kernel/qapplication.cpp:4396
#31 0x00007fdbc74a530e in QApplication::notify (this=0x7fff5d8af8c0, receiver=0xc65d90, e=0x7fff5d8aeaa0) at kernel/qapplication.cpp:3959
#32 0x00007fdbc9647156 in KApplication::notify (this=0x7fff5d8af8c0, receiver=0xc65d90, event=0x7fff5d8aeaa0) at ../../kdeui/kernel/kapplication.cpp:310
#33 0x00007fdbc6fb3cdc in QCoreApplication::notifyInternal (this=0x7fff5d8af8c0, receiver=0xc65d90, event=0x7fff5d8aeaa0) at kernel/qcoreapplication.cpp:732
#34 0x00007fdbc74a3dbe in sendEvent (receiver=0xc65d90, event=0x7fff5d8aeaa0, alienWidget=0x0, nativeWidget=0xc65d90, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#35 QApplicationPrivate::sendMouseEvent (receiver=0xc65d90, event=0x7fff5d8aeaa0, alienWidget=0x0, nativeWidget=0xc65d90, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#36 0x00007fdbc75277bd in QETWidget::translateMouseEvent (this=0xc65d90, event=<value optimized out>) at kernel/qapplication_x11.cpp:4337
#37 0x00007fdbc7525c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff5d8af3c0) at kernel/qapplication_x11.cpp:3536
#38 0x00007fdbc75520e2 in x11EventSourceDispatch (s=0x79c2a0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#39 0x00007fdbbd73d342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#40 0x00007fdbbd7412a8 in ?? () from /lib/libglib-2.0.so.0
#41 0x00007fdbbd74145c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#42 0x00007fdbc6fe0193 in QEventDispatcherGlib::processEvents (this=0x7598a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#43 0x00007fdbc7551a4e in QGuiEventDispatcherGlib::processEvents (this=0x7fff5d8ac7a0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#44 0x00007fdbc6fb2a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#45 0x00007fdbc6fb2dec in QEventLoop::exec (this=0x7fff5d8af6f0, flags=) at kernel/qeventloop.cpp:201
#46 0x00007fdbc6fb6ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#47 0x0000000000403212 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../kmail/main.cpp:156

Reported using DrKonqi