Application that crashed: kmail
Version of the application: 1.12.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-17-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Switched back to Kmail from another desktop, mousewheel down in the message list, crash. This is the first time this has happened.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x00007f22a5a23d41 in DwString::c_str (aDwBodyPart=0x250c280, aPart=0x3c9f1a8, withBody=true) at ../../mimelib/mimelib/string.h:618
#6  DwMessageComponent::partId (aDwBodyPart=0x250c280, aPart=0x3c9f1a8, withBody=true) at ../../mimelib/mimelib/msgcmp.h:259
#7  KMMessage::bodyPart (aDwBodyPart=0x250c280, aPart=0x3c9f1a8, withBody=true) at ../../kmail/kmmessage.cpp:2719
#8  0x00007f22a5d49359 in partNode::msgPart (this=<value optimized out>, url=..., w=0x11b0920) at ../../kmail/partNode.h:99
#9  statusBarMessage (this=<value optimized out>, url=..., w=0x11b0920) at ../../kmail/urlhandlermanager.cpp:549
#10 0x00007f22a5d49034 in KMail::URLHandlerManager::statusBarMessage (this=0x221aca0, url=..., w=0x11b0920) at ../../kmail/urlhandlermanager.cpp:323
#11 0x00007f22a5b1356c in KMReaderWin::slotUrlOn (this=0x11b0920, aUrl=<value optimized out>) at ../../kmail/kmreaderwin.cpp:2023
#12 0x00007f22a5b1404e in KMReaderWin::qt_metacall (this=0x11b0920, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbe29d000) at ./kmreaderwin.moc:178
#13 0x00007f22a474eddc in QMetaObject::activate (sender=0x114fb70, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x7f22a40c9e90) at kernel/qobject.cpp:3113
#14 0x00007f22a118d7a2 in KHTMLPart::onURL (this=0x7f22a40c9e40, _t1=<value optimized out>) at ./khtml_part.moc:400
#15 0x00007f22a11a3d15 in KHTMLPart::overURL (this=0x114fb70, url=..., target=...) at ../../khtml/khtml_part.cpp:3521
#16 0x00007f22a11a5d91 in KHTMLPart::handleMouseMoveEventOver (this=0x114fb70, event=<value optimized out>) at ../../khtml/khtml_part.cpp:6351
#17 0x00007f22a11a614b in KHTMLPart::khtmlMouseMoveEvent (this=0x114fb70, event=0x7fffbe29e2c0) at ../../khtml/khtml_part.cpp:6399
#18 0x00007f22a4749155 in QObject::event (this=0x114fb70, e=0x7fffbe29e2c0) at kernel/qobject.cpp:1142
#19 0x00007f22a4bccefc in QApplicationPrivate::notify_helper (this=0x9e9a70, receiver=0x114fb70, e=0x7fffbe29e2c0) at kernel/qapplication.cpp:4056
#20 0x00007f22a4bd41ce in QApplication::notify (this=0x7fffbe2a0f60, receiver=0x114fb70, e=0x7fffbe29e2c0) at kernel/qapplication.cpp:4021
#21 0x00007f22a698fab6 in KApplication::notify (this=0x7fffbe2a0f60, receiver=0x114fb70, event=0x7fffbe29e2c0) at ../../kdeui/kernel/kapplication.cpp:302
#22 0x00007f22a4739c2c in QCoreApplication::notifyInternal (this=0x7fffbe2a0f60, receiver=0x114fb70, event=0x7fffbe29e2c0) at kernel/qcoreapplication.cpp:610
#23 0x00007f22a1181632 in QCoreApplication::sendEvent (this=0x135a7c0, _mouse=<value optimized out>) at /usr/include/qt4/QtCore/qcoreapplication.h:213
#24 KHTMLView::mouseMoveEvent (this=0x135a7c0, _mouse=<value optimized out>) at ../../khtml/khtmlview.cpp:1541
#25 0x00007f22a4c1b822 in QWidget::event (this=0x135a7c0, event=0x7fffbe29ef30) at kernel/qwidget.cpp:7534
#26 0x00007f22a4f772a6 in QFrame::event (this=0x135a7c0, e=0x7fffbe29ef30) at widgets/qframe.cpp:559
#27 0x00007f22a117e675 in KHTMLView::widgetEvent (this=0x135a7c0, e=0x0) at ../../khtml/khtmlview.cpp:2338
#28 0x00007f22a117e98f in KHTMLView::eventFilter (this=0x135a7c0, o=0x135b9e0, e=0x7fffbe29ef30) at ../../khtml/khtmlview.cpp:2191
#29 0x00007f22a4738f47 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x135b9e0, event=0x7fffbe29ef30) at kernel/qcoreapplication.cpp:726
#30 0x00007f22a4bccecc in QApplicationPrivate::notify_helper (this=0x9e9a70, receiver=0x135b9e0, e=0x7fffbe29ef30) at kernel/qapplication.cpp:4052
#31 0x00007f22a4bd4011 in QApplication::notify (this=<value optimized out>, receiver=0x135b9e0, e=0x7fffbe29ef30) at kernel/qapplication.cpp:3758
#32 0x00007f22a698fab6 in KApplication::notify (this=0x7fffbe2a0f60, receiver=0x135b9e0, event=0x7fffbe29ef30) at ../../kdeui/kernel/kapplication.cpp:302
#33 0x00007f22a4739c2c in QCoreApplication::notifyInternal (this=0x7fffbe2a0f60, receiver=0x135b9e0, event=0x7fffbe29ef30) at kernel/qcoreapplication.cpp:610
#34 0x00007f22a4bd38e0 in QCoreApplication::sendSpontaneousEvent (receiver=0x135b9e0, event=0x7fffbe29ef30, alienWidget=0x135b9e0, nativeWidget=0x11405b0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#35 QApplicationPrivate::sendMouseEvent (receiver=0x135b9e0, event=0x7fffbe29ef30, alienWidget=0x135b9e0, nativeWidget=0x11405b0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at kernel/qapplication.cpp:2924
#36 0x00007f22a4c39a0e in QETWidget::translateMouseEvent (this=0x11405b0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#37 0x00007f22a4c38aa9 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffbe2a0a60) at kernel/qapplication_x11.cpp:3550
#38 0x00007f22a4c61d0c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#39 0x00007f229b9d2bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#40 0x00007f229b9d6598 in ?? () from /lib/libglib-2.0.so.0
#41 0x00007f229b9d66c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#42 0x00007f22a47621a6 in QEventDispatcherGlib::processEvents (this=0x9b0930, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#43 0x00007f22a4c614be in QGuiEventDispatcherGlib::processEvents (this=0x7f22a40c9e40, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#44 0x00007f22a4738532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#45 0x00007f22a4738904 in QEventLoop::exec (this=0x7fffbe2a0d90, flags=) at kernel/qeventloop.cpp:201
#46 0x00007f22a473aab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#47 0x0000000000402fe9 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../kmail/main.cpp:146

This bug may be a duplicate of or related to bug 219836

Reported using DrKonqi