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 2.6.30-1-686 i686

What I was doing when the application crashed:
I am using gmail via IMAP. When I try to save an attachment, it is being downloaded, and just after kmail finishes downloading, it crashes. It is not a constant error, sometimes the file is being saved and everything is OK. Also, it happens when I try to save quite a big files (~25 MB).

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  DwString::c_str (this=0xa644ff0, msg=0xa3e8088, partSpecifier=...) at ../../mimelib/mimelib/string.h:618
#7  DwMessageComponent::partId (this=0xa644ff0, msg=0xa3e8088, partSpecifier=...) at ../../mimelib/mimelib/msgcmp.h:259
#8  KMLoadPartsCommand::slotPartRetrieved (this=0xa644ff0, msg=0xa3e8088, partSpecifier=...) at ../../kmail/kmcommands.cpp:2735
#9  0xb75ce34d in KMLoadPartsCommand::qt_metacall (this=0xa644ff0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfba2dc8) at ./kmcommands.moc:1858
#10 0xb707ead3 in QMetaObject::activate (sender=0xa5a0b00, from_signal_index=5, to_signal_index=5, argv=0xbfba2dc8) at kernel/qobject.cpp:3112
#11 0xb707f722 in QMetaObject::activate (sender=0xa5a0b00, m=0xb79f04d0, local_signal_index=1, argv=0xbfba2dc8) at kernel/qobject.cpp:3186
#12 0xb76233e9 in KMail::FolderJob::messageUpdated (this=0xa5a0b00, _t1=0xa3e8088, _t2=...) at ./folderjob.moc:106
#13 0xb762fcbb in KMail::ImapJob::slotGetMessageResult (this=0xa5a0b00, job=0xa6453d8) at ../../kmail/imapjob.cpp:476
#14 0xb763425c in KMail::ImapJob::qt_metacall (this=0xa5a0b00, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfba2f3c) at ./imapjob.moc:82
#15 0xb707ead3 in QMetaObject::activate (sender=0xa6453d8, from_signal_index=7, to_signal_index=7, argv=0xbfba2f3c) at kernel/qobject.cpp:3112
#16 0xb707f722 in QMetaObject::activate (sender=0xa6453d8, m=0xb7c2efe8, local_signal_index=3, argv=0xbfba2f3c) at kernel/qobject.cpp:3186
#17 0xb7ad4083 in KJob::result (this=0xa6453d8, _t1=0xa6453d8) at ./kjob.moc:188
#18 0xb7ad4529 in KJob::emitResult (this=0xa6453d8) at ../../kdecore/jobs/kjob.cpp:304
#19 0xb52e89e5 in KIO::SimpleJob::slotFinished (this=0xa6453d8) at ../../kio/kio/job.cpp:477
#20 0xb52e9343 in KIO::TransferJob::slotFinished (this=0xa6453d8) at ../../kio/kio/job.cpp:948
#21 0xb52e58d3 in KIO::TransferJob::qt_metacall (this=0xa6453d8, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbfba3178) at ./jobclasses.moc:343
#22 0xb707ead3 in QMetaObject::activate (sender=0xa278e80, from_signal_index=8, to_signal_index=8, argv=0x0) at kernel/qobject.cpp:3112
#23 0xb707f722 in QMetaObject::activate (sender=0xa278e80, m=0xb548fb64, local_signal_index=4, argv=0x0) at kernel/qobject.cpp:3186
#24 0xb53ae6d7 in KIO::SlaveInterface::finished (this=0xa278e80) at ./slaveinterface.moc:165
#25 0xb53b2487 in KIO::SlaveInterface::dispatch (this=0xa278e80, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:175
#26 0xb53aebb7 in KIO::SlaveInterface::dispatch (this=0xa278e80) at ../../kio/kio/slaveinterface.cpp:91
#27 0xb53a0b9d in KIO::Slave::gotInput (this=0xa278e80) at ../../kio/kio/slave.cpp:322
#28 0xb53a3083 in KIO::Slave::qt_metacall (this=0xa278e80, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfba3448) at ./slave.moc:76
#29 0xb707ead3 in QMetaObject::activate (sender=0xa279210, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3112
#30 0xb707f722 in QMetaObject::activate (sender=0xa279210, m=0xb548c4a0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3186
#31 0xb52ad427 in KIO::Connection::readyRead (this=0xa279210) at ./connection.moc:86
#32 0xb52aed33 in KIO::ConnectionPrivate::dequeue (this=0xa278608) at ../../kio/kio/connection.cpp:82
#33 0xb52af116 in KIO::Connection::qt_metacall (this=0xa279210, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xa671678) at ./connection.moc:73
#34 0xb70782db in QMetaCallEvent::placeMetaCall (this=0xa5b7128, object=0xa279210) at kernel/qobject.cpp:477
#35 0xb7079db0 in QObject::event (this=0xa279210, e=0xa5b7128) at kernel/qobject.cpp:1110
#36 0xb66a97d4 in QApplicationPrivate::notify_helper (this=0x9c7d830, receiver=0xa279210, e=0xa5b7128) at kernel/qapplication.cpp:4056
#37 0xb66b193e in QApplication::notify (this=0xbfba3c78, receiver=0xa279210, e=0xa5b7128) at kernel/qapplication.cpp:3603
#38 0xb7e0700d in KApplication::notify (this=0xbfba3c78, receiver=0xa279210, event=0xa5b7128) at ../../kdeui/kernel/kapplication.cpp:302
#39 0xb706996b in QCoreApplication::notifyInternal (this=0xbfba3c78, receiver=0xa279210, event=0xa5b7128) at kernel/qcoreapplication.cpp:610
#40 0xb706a5ae in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9c56e60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#41 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9c56e60) at kernel/qcoreapplication.cpp:1247
#42 0xb706a78d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#43 0xb7094baf in QCoreApplication::sendPostedEvents (s=0x9c7ef90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#44 postEventSourceDispatch (s=0x9c7ef90) at kernel/qeventdispatcher_glib.cpp:210
#45 0xb479d368 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#46 0xb47a08c3 in ?? () from /usr/lib/libglib-2.0.so.0
#47 0xb47a0a48 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#48 0xb70947f8 in QEventDispatcherGlib::processEvents (this=0x9c56bb0, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#49 0xb6748f85 in QGuiEventDispatcherGlib::processEvents (this=0x9c56bb0, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#50 0xb7067fba in QEventLoop::processEvents (this=0xbfba3b80, flags=...) at kernel/qeventloop.cpp:149
#51 0xb7068402 in QEventLoop::exec (this=0xbfba3b80, flags=...) at kernel/qeventloop.cpp:201
#52 0xb706a859 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#53 0xb66a9657 in QApplication::exec () at kernel/qapplication.cpp:3525
#54 0x0804a6d0 in main (argc=-1252919680, argv=0xa6742b0) at ../../kmail/main.cpp:146

This bug may be a duplicate of or related to bug 201996

Reported using DrKonqi