Application that crashed: kontact
Version of the application: 4.3.3
KDE Version: 4.3.3 (KDE 4.3.3) "release 1"
Qt Version: 4.5.3
Operating System: Linux 2.6.27.29-0.1-pae i686

What I was doing when the application crashed:
kmail crashed while selecting a message to read from IMAP after having deleted a few mails

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb65b590a in QString::operator=(QString const&) () from /usr/lib/libQtCore.so.4
#7  0xb77deeff in KPIM::ProgressItem::setStatus (this=0x92e7ab0, v=@0xbfa72e9c) at /usr/src/debug/kdepim-4.3.3/libkdepim/progressmanager.cpp:118
#8  0xb0e7ab41 in KMFolderImap::checkValidity (this=0x86efd88) at /usr/src/debug/kdepim-4.3.3/kmail/kmfolderimap.cpp:1091
#9  0xb0e7b344 in KMFolderImap::getFolder (this=0x86efd88, force=false) at /usr/src/debug/kdepim-4.3.3/kmail/kmfolderimap.cpp:1249
#10 0xb0e7bae3 in KMFolderImap::addMsgQuiet (this=0x86efd88, msgList=
        {{p = {static shared_null = {ref = {_q_value = 112593}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0xbfa73018}, d = 0xbfa73018}})
    at /usr/src/debug/kdepim-4.3.3/kmail/kmfolderimap.cpp:387
#11 0xb0e81cb8 in KMFolderImap::qt_metacall (this=0x86efd88, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbfa730ec) at /usr/src/debug/kdepim-4.3.3/build/kmail/kmfolderimap.moc:156
#12 0xb6677ee8 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#13 0xb6678b72 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#14 0xb0fcb423 in KMail::FolderJob::messageCopied (this=0x930c998, _t1=
        {{p = {static shared_null = {ref = {_q_value = 112593}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0xbfa73170}, d = 0xbfa73170}})
    at /usr/src/debug/kdepim-4.3.3/build/kmail/folderjob.moc:120
#15 0xb0fdb28c in KMail::ImapJob::slotCopyMessageResult (this=0x930c998, job=0x99325d8) at /usr/src/debug/kdepim-4.3.3/kmail/imapjob.cpp:655
#16 0xb0fdc784 in KMail::ImapJob::qt_metacall (this=0x930c998, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfa7327c) at /usr/src/debug/kdepim-4.3.3/build/kmail/imapjob.moc:88
#17 0xb6677ee8 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#18 0xb6678b72 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#19 0xb689d863 in KJob::result(KJob*) () from /usr/lib/libkdecore.so.5
#20 0xb689dd09 in KJob::emitResult() () from /usr/lib/libkdecore.so.5
#21 0xb6f1a045 in KIO::SimpleJob::slotFinished() () from /usr/lib/libkio.so.5
#22 0xb6f16cc3 in KIO::SimpleJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#23 0xb6677ee8 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#24 0xb6678b72 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#25 0xb6fe14a7 in KIO::SlaveInterface::finished() () from /usr/lib/libkio.so.5
#26 0xb6fe51e7 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /usr/lib/libkio.so.5
#27 0xb6fe1987 in KIO::SlaveInterface::dispatch() () from /usr/lib/libkio.so.5
#28 0xb6fd36fd in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#29 0xb6fd5b93 in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#30 0xb6677ee8 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#31 0xb6678b72 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#32 0xb6eddcd7 in KIO::Connection::readyRead() () from /usr/lib/libkio.so.5
#33 0xb6edf643 in ?? () from /usr/lib/libkio.so.5
#34 0xb6edfa26 in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#35 0xb667160b in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#36 0xb66730d0 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#37 0xb5b3a76c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#38 0xb5b42a5e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#39 0xb6c5082d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#40 0xb66628fb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#41 0xb6663545 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#42 0xb666373d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#43 0xb668e4ff in ?? () from /usr/lib/libQtCore.so.4
#44 0xb4d83e28 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#45 0xb4d87453 in ?? () from /usr/lib/libglib-2.0.so.0
#46 0xb4d875d8 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#47 0xb668e071 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#48 0xb5bdacc5 in ?? () from /usr/lib/libQtGui.so.4
#49 0xb6660f1a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#50 0xb6661362 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#51 0xb6663809 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#52 0xb5b3a5e7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#53 0x0804c04f in main (argc=1, argv=0xbfa74174) at /usr/src/debug/kdepim-4.3.3/kontact/src/main.cpp:218

Reported using DrKonqi