Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.1 (KDE 4.3.1) "release 4"
Qt Version: 4.5.2
Operating System: Linux 2.6.31-10-desktop i686
Distribution: "openSUSE 11.2 RC 1 (i586)"

What I was doing when the application crashed:
I did the following:
1. open my IMAP inbox
2. mark a couple of mails in the list
3. click "Spam"
4. wait a moment an click "Cancel"
Then kmail / kontact crashed

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb10f410a in KMCommand::slotTransferCancelled() () from /usr/lib/libkmailprivate.so.4
#7  0xb10f96cc in KMCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#8  0xb10f9ad3 in KMFilterActionCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#9  0xb77cf324 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0xb77d0045 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0xb7c53d85 in KDialog::cancelClicked() () from /usr/lib/libkdeui.so.5
#12 0xb7c568b8 in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#13 0xb7c59113 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#14 0xb7c7e1d2 in KProgressDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#15 0xb77cf324 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#16 0xb77d0045 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#17 0xb77d2065 in QSignalMapper::mapped(int) () from /usr/lib/libQtCore.so.4
#18 0xb77d293c in QSignalMapper::map(QObject*) () from /usr/lib/libQtCore.so.4
#19 0xb77d2b1e in QSignalMapper::map() () from /usr/lib/libQtCore.so.4
#20 0xb77d3340 in QSignalMapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#21 0xb77cf324 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#22 0xb77cf801 in QMetaObject::activate(QObject*, QMetaObject const*, int, int, void**) () from /usr/lib/libQtCore.so.4
#23 0xb74894b5 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#24 0xb71a12fd in ?? () from /usr/lib/libQtGui.so.4
#25 0xb71a303b in ?? () from /usr/lib/libQtGui.so.4
#26 0xb71a32d6 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#27 0xb6e54bec in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#28 0xb71a1190 in QAbstractButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0xb724e333 in QPushButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb6dfd94c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0xb6e05c0b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#32 0xb7cf3ce1 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#33 0xb77b8e3e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#34 0xb6e04c2c in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#35 0xb6e7583a in ?? () from /usr/lib/libQtGui.so.4
#36 0xb6e74dae in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#37 0xb6e9fb08 in ?? () from /usr/lib/libQtGui.so.4
#38 0xb5108522 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#39 0xb510bdf8 in ?? () from /usr/lib/libglib-2.0.so.0
#40 0xb510bf1e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#41 0xb77e4aa8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0xb6e9f23a in ?? () from /usr/lib/libQtGui.so.4
#43 0xb77b745d in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#44 0xb77b78a9 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#45 0xb77b9d40 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#46 0xb6dfd7c4 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#47 0x0804b546 in _start ()

Reported using DrKonqi