Application that crashed: kontact
Version of the application: 4.3.0 rc1
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-rc6-git3 x86_64

What I was doing when the application crashed:

hi,

to reproduce:
create a new task, add title, add a participant, remove the participant, ok -> crash

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  QString::operator== (this=<value optimized out>, other=@0x197c580) at tools/qstring.cpp:1910
#6  0x00007f18ba36130f in KCal::Person::operator== (this=0x1974500, person=@0x197f680) at /var/tmp/portage/kde-base/kdepimlibs-9999/work/kdepimlibs-9999/kcal/person.cpp:96
#7  0x00007f18ba319cc9 in KCal::Attendee::operator== (this=0x19a0b20, attendee=@0x197c580) at /var/tmp/portage/kde-base/kdepimlibs-9999/work/kdepimlibs-9999/kcal/attendee.cpp:90
#8  0x00007f18a095bb6f in KOAttendeeEditor::cancelAttendeeIncidence (this=0x11770c0, incidence=<value optimized out>)
    at /var/tmp/portage/kde-base/korganizer-9999/work/korganizer-9999/korganizer/koattendeeeditor.cpp:476
#9  0x00007f18a08fc149 in KOIncidenceEditor::cancelRemovedAttendees (this=0x19475e0, incidence=0x195e740)
    at /var/tmp/portage/kde-base/korganizer-9999/work/korganizer-9999/korganizer/koincidenceeditor.cpp:168
#10 0x00007f18a08ffca4 in KOTodoEditor::fillTodo (this=0x19475e0, todo=0x195e740) at /var/tmp/portage/kde-base/korganizer-9999/work/korganizer-9999/korganizer/kotodoeditor.cpp:350
#11 0x00007f18a09002b8 in KOTodoEditor::processInput (this=0x19475e0) at /var/tmp/portage/kde-base/korganizer-9999/work/korganizer-9999/korganizer/kotodoeditor.cpp:268
#12 0x00007f18a08fc371 in KOIncidenceEditor::slotButtonClicked (this=0x19475e0, button=<value optimized out>)
    at /var/tmp/portage/kde-base/korganizer-9999/work/korganizer-9999/korganizer/koincidenceeditor.cpp:102
#13 0x00007f18b8289a25 in KDialog::qt_metacall (this=0x19475e0, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0x7fff46ccf1e0)
    at /var/tmp/portage/kde-base/kdelibs-9999-r1/work/kdelibs-9999_build/kdeui/kdialog.moc:184
#14 0x00007f18b83283a6 in KPageDialog::qt_metacall (this=0x19a0b20, _c=26723712, _id=94, _a=0xd) at /var/tmp/portage/kde-base/kdelibs-9999-r1/work/kdelibs-9999_build/kdeui/kpagedialog.moc:64
#15 0x00007f18a08fb0e5 in KOIncidenceEditor::qt_metacall (this=0x19a0b20, _c=26723712, _id=94, _a=0xd)
    at /var/tmp/portage/kde-base/korganizer-9999/work/korganizer-9999_build/korganizer/koincidenceeditor.moc:107
#16 0x00007f18a09003a5 in KOTodoEditor::qt_metacall (this=0x19a0b20, _c=26723712, _id=94, _a=0xd)
    at /var/tmp/portage/kde-base/korganizer-9999/work/korganizer-9999_build/korganizer/kotodoeditor.moc:65
#17 0x00007f18b69bac23 in QMetaObject::activate (sender=0x1812818, from_signal_index=<value optimized out>, to_signal_index=4, argv=0xd) at kernel/qobject.cpp:3117
#18 0x00007f18b69bfbfe in QSignalMapper::mapped (this=0x19a0b20, _t1=4) at .moc/debug-shared/moc_qsignalmapper.cpp:95
#19 0x00007f18b69bff50 in QSignalMapper::map (this=0x1812818, sender=0x185b5f0) at kernel/qsignalmapper.cpp:266
#20 0x00007f18b69c062c in QSignalMapper::qt_metacall (this=0x1812818, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff46ccf350) at .moc/debug-shared/moc_qsignalmapper.cpp:81
#21 0x00007f18b69bac23 in QMetaObject::activate (sender=0x185b5f0, from_signal_index=<value optimized out>, to_signal_index=30, argv=0xd) at kernel/qobject.cpp:3117
#22 0x00007f18b7aedf97 in QAbstractButton::clicked(bool) () from /usr/lib64/qt4/libQtGui.so.4
#23 0x00007f18b7877e6b in ?? () from /usr/lib64/qt4/libQtGui.so.4
#24 0x00007f18b7879585 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#25 0x00007f18b787978d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#26 0x00007f18b7537deb in QWidget::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#27 0x00007f18b787878f in QAbstractButton::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#28 0x00007f18b79089c7 in QPushButton::event(QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#29 0x00007f18b74eb2fe in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#30 0x00007f18b74f28c8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#31 0x00007f18b8301411 in KApplication::notify (this=0x7fff46cd1910, receiver=0x185b5f0, event=0x7fff46ccfd10)
    at /var/tmp/portage/kde-base/kdelibs-9999-r1/work/kdelibs-9999/kdeui/kernel/kapplication.cpp:302
#32 0x00007f18b69a6cf3 in QCoreApplication::notifyInternal (this=0x7fff46cd1910, receiver=0x185b5f0, event=0x7fff46ccfd10) at kernel/qcoreapplication.cpp:606
#33 0x00007f18b74f229b in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib64/qt4/libQtGui.so.4
#34 0x00007f18b75500b8 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#35 0x00007f18b754e908 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#36 0x00007f18b7573ae2 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#37 0x00007f18b1dd84b2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#38 0x00007f18b1ddb795 in ?? () from /usr/lib/libglib-2.0.so.0
#39 0x00007f18b1ddbc9b in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#40 0x00007f18b69cf44e in QEventDispatcherGlib::processEvents (this=0x634cb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#41 0x00007f18b75738cf in ?? () from /usr/lib64/qt4/libQtGui.so.4
#42 0x00007f18b69a5f85 in QEventLoop::processEvents (this=<value optimized out>, flags=@0x7fff46cd1840) at kernel/qeventloop.cpp:149
#43 0x00007f18b69a60f6 in QEventLoop::exec (this=0x7fff46cd1880, flags=@0x7fff46cd1890) at kernel/qeventloop.cpp:196
#44 0x00007f18b69a831b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#45 0x0000000000404148 in main (argc=1, argv=0x7fff46cd1e38) at /var/tmp/portage/kde-base/kontact-9999/work/kontact-9999/kontact/src/main.cpp:218

Reported using DrKonqi