Application that crashed: kmail
Version of the application: 1.12.0
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.29.6-217.2.8.fc11.i686.PAE i686
Distribution: "Fedora release 11 (Leonidas)"

What I was doing when the application crashed:
During certain operations, ranging from deleting IMAP folders to downloading very large (> 4,000 e-mails) folders kmail segfaults.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0x003d642f in KMMsgBase::storage() const () from /usr/lib/libkmailprivate.so.4
#7  0x0057c612 in KMail::ImapJob::slotGetMessageResult(KJob*) () from /usr/lib/libkmailprivate.so.4
#8  0x0058132f in KMail::ImapJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#9  0x04c69c73 in QMetaObject::activate (sender=0xa48ef08, from_signal_index=7, to_signal_index=7, argv=0xbfb50698) at kernel/qobject.cpp:3113
#10 0x04c6a8d2 in QMetaObject::activate (sender=0xa48ef08, m=0x5bfd8a8, local_signal_index=3, argv=0xbfb50698) at kernel/qobject.cpp:3187
#11 0x05a68d53 in KJob::result (this=0xa48ef08, _t1=0xa48ef08) at /usr/src/debug/kdelibs-4.3.0/i586-redhat-linux-gnu/kdecore/kjob.moc:188
#12 0x05a691f9 in KJob::emitResult (this=0xa48ef08) at /usr/src/debug/kdelibs-4.3.0/kdecore/jobs/kjob.cpp:304
#13 0x06f0f350 in KIO::SimpleJob::slotFinished (this=0xa48ef08) at /usr/src/debug/kdelibs-4.3.0/kio/kio/job.cpp:477
#14 0x06f0f87a in KIO::TransferJob::slotFinished (this=0xa48ef08) at /usr/src/debug/kdelibs-4.3.0/kio/kio/job.cpp:948
#15 0x06f0d0f3 in KIO::SimpleJob::slotError (this=0xa48ef08, err=111, errorText=@0xbfb50ad8) at /usr/src/debug/kdelibs-4.3.0/kio/kio/job.cpp:489
#16 0x06f0d23e in KIO::SimpleJob::qt_metacall (this=0xa48ef08, _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0xbfb509d4) at /usr/src/debug/kdelibs-4.3.0/i586-redhat-linux-gnu/kio/jobclasses.moc:158
#17 0x06f0d3fa in KIO::TransferJob::qt_metacall (this=0xa48ef08, _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0xbfb509d4) at /usr/src/debug/kdelibs-4.3.0/i586-redhat-linux-gnu/kio/jobclasses.moc:331
#18 0x04c69c73 in QMetaObject::activate (sender=0xa409910, from_signal_index=6, to_signal_index=6, argv=0xbfb509d4) at kernel/qobject.cpp:3113
#19 0x04c6a8d2 in QMetaObject::activate (sender=0xa409910, m=0x70f2b64, local_signal_index=2, argv=0xbfb509d4) at kernel/qobject.cpp:3187
#20 0x06fdaed9 in KIO::SlaveInterface::error (this=0xa409910, _t1=111, _t2=@0xbfb50ad8) at /usr/src/debug/kdelibs-4.3.0/i586-redhat-linux-gnu/kio/slaveinterface.moc:153
#21 0x06fdee8c in KIO::SlaveInterface::dispatch (this=0xa409910, _cmd=102, rawdata=@0xbfb50b28) at /usr/src/debug/kdelibs-4.3.0/kio/kio/slaveinterface.cpp:208
#22 0x06fdb313 in KIO::SlaveInterface::dispatch (this=0xa409910) at /usr/src/debug/kdelibs-4.3.0/kio/kio/slaveinterface.cpp:91
#23 0x06fcd3ea in KIO::Slave::gotInput (this=0xa409910) at /usr/src/debug/kdelibs-4.3.0/kio/kio/slave.cpp:322
#24 0x06fcf7e3 in KIO::Slave::qt_metacall (this=0xa409910, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfb50c6c) at /usr/src/debug/kdelibs-4.3.0/i586-redhat-linux-gnu/kio/slave.moc:76
#25 0x04c69c73 in QMetaObject::activate (sender=0xa405df8, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#26 0x04c6a8d2 in QMetaObject::activate (sender=0xa405df8, m=0x70ef4a0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#27 0x06ed64b7 in KIO::Connection::readyRead (this=0xa405df8) at /usr/src/debug/kdelibs-4.3.0/i586-redhat-linux-gnu/kio/connection.moc:86
#28 0x06ed828e in KIO::ConnectionPrivate::dequeue (this=0xa406830) at /usr/src/debug/kdelibs-4.3.0/kio/kio/connection.cpp:82
#29 0x06ed83b6 in KIO::Connection::qt_metacall (this=0xa405df8, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xa407f30) at /usr/src/debug/kdelibs-4.3.0/i586-redhat-linux-gnu/kio/connection.moc:73
#30 0x04c6291b in QMetaCallEvent::placeMetaCall (this=0xa8a9110, object=0xa405df8) at kernel/qobject.cpp:477
#31 0x04c6400e in QObject::event (this=0xa405df8, e=0xa8a9110) at kernel/qobject.cpp:1111
#32 0x04e70884 in QApplicationPrivate::notify_helper (this=0x9ae9360, receiver=0xa405df8, e=0xa8a9110) at kernel/qapplication.cpp:4056
#33 0x04e77f0e in QApplication::notify (this=0xbfb51580, receiver=0xa405df8, e=0xa8a9110) at kernel/qapplication.cpp:4021
#34 0x05dd8a7a in KApplication::notify (this=0xbfb51580, receiver=0xa405df8, event=0xa8a9110) at /usr/src/debug/kdelibs-4.3.0/kdeui/kernel/kapplication.cpp:302
#35 0x04c53f4b in QCoreApplication::notifyInternal (this=0xbfb51580, receiver=0xa405df8, event=0xa8a9110) at kernel/qcoreapplication.cpp:610
#36 0x04c54b68 in QCoreApplication::sendEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.h:213
#37 QCoreApplicationPrivate::sendPostedEvents (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.cpp:1247
#38 0x04c54d3d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#39 0x04c7edaf in QCoreApplication::sendPostedEvents () at kernel/qcoreapplication.h:218
#40 postEventSourceDispatch () at kernel/qeventdispatcher_glib.cpp:210
#41 0x092e5cf8 in g_main_dispatch (context=<value optimized out>) at gmain.c:1824
#42 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2377
#43 0x092e9370 in g_main_context_iterate (context=0x9aeab10, block=<value optimized out>, dispatch=1, self=0x9b17160) at gmain.c:2455
#44 0x092e94a3 in IA__g_main_context_iteration (context=0x9aeab10, may_block=1) at gmain.c:2518
#45 0x04c7e9dc in QEventDispatcherGlib::processEvents (this=0x9ac0df8, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:327
#46 0x04f0f9e5 in QGuiEventDispatcherGlib::processEvents (this=0x9ac0df8, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#47 0x04c52539 in QEventLoop::processEvents (this=0xbfb51464, flags={i = 36}) at kernel/qeventloop.cpp:149
#48 0x04c5298a in QEventLoop::exec (this=0xbfb51464, flags={i = 0}) at kernel/qeventloop.cpp:201
#49 0x04c54dff in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#50 0x04e70707 in QApplication::exec () at kernel/qapplication.cpp:3525
#51 0x0804a592 in main (argc=3, argv=0xbfb51734) at /usr/src/debug/kdepim-4.3.0/kmail/main.cpp:146

Reported using DrKonqi