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 2.6.31-9-rt x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I started kmail and it crashed. It displayed a window shortly. I was using the scroll wheel of my mouse and switching to another application.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x0000000000000000 in ?? ()
#6  0x00007febb6e51d6c in KMail::FancyHeaderStyle::format (this=<value optimized out>, message=<value optimized out>, strategy=<value optimized out>, vCardName=<value optimized out>, 
    printing=<value optimized out>, topLevel=true) at ../../kmail/headerstyle.cpp:563
#7  0x00007febb6cf3367 in KMReaderWin::writeMsgHeader (this=0x15f2a70, aMsg=<value optimized out>, hasVCard=false, topLevel=<value optimized out>) at ../../kmail/kmreaderwin.cpp:1783
#8  0x00007febb6cf9bf8 in KMReaderWin::parseMsg (this=0x15f2a70, aMsg=0x24ff040) at ../../kmail/kmreaderwin.cpp:1668
#9  0x00007febb6ce8eda in KMReaderWin::displayMessage (this=0x15f2a70) at ../../kmail/kmreaderwin.cpp:1605
#10 0x00007febb6ce90b4 in KMReaderWin::updateReaderWin (this=0x15f2a70) at ../../kmail/kmreaderwin.cpp:1545
#11 0x00007febb6cf4f9d in KMReaderWin::qt_metacall (this=0x15f2a70, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff133ccce0) at ./kmreaderwin.moc:168
#12 0x00007febb592fddc in QMetaObject::activate (sender=0x15f2b18, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x42cd488) at kernel/qobject.cpp:3113
#13 0x00007febb5929d83 in QObject::event (this=0x15f2b18, e=0x24ff040) at kernel/qobject.cpp:1075
#14 0x00007febb5dadefc in QApplicationPrivate::notify_helper (this=0x113bae0, receiver=0x15f2b18, e=0x7fff133cd2e0) at kernel/qapplication.cpp:4056
#15 0x00007febb5db51ce in QApplication::notify (this=0x7fff133cd750, receiver=0x15f2b18, e=0x7fff133cd2e0) at kernel/qapplication.cpp:4021
#16 0x00007febb7b70ab6 in KApplication::notify (this=0x7fff133cd750, receiver=0x15f2b18, event=0x7fff133cd2e0) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x00007febb591ac2c in QCoreApplication::notifyInternal (this=0x7fff133cd750, receiver=0x15f2b18, event=0x7fff133cd2e0) at kernel/qcoreapplication.cpp:610
#18 0x00007febb5945862 in QCoreApplication::sendEvent (this=0x10e8ba0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#19 QTimerInfoList::activateTimers (this=0x10e8ba0) at kernel/qeventdispatcher_unix.cpp:572
#20 0x00007febb594325d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#21 0x00007febacbb3bbe in g_main_dispatch (context=0x10e7920) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:1960
#22 IA__g_main_context_dispatch (context=0x10e7920) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2513
#23 0x00007febacbb7588 in g_main_context_iterate (context=0x10e7920, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2591
#24 0x00007febacbb76b0 in IA__g_main_context_iteration (context=0x10e7920, may_block=1) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2654
#25 0x00007febb59431a6 in QEventDispatcherGlib::processEvents (this=0x10b1930, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#26 0x00007febb5e424be in QGuiEventDispatcherGlib::processEvents (this=0x7fff133c2280, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#27 0x00007febb5919532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#28 0x00007febb5919904 in QEventLoop::exec (this=0x7fff133cd580, flags=) at kernel/qeventloop.cpp:201
#29 0x00007febb591bab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#30 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 182427

Reported using DrKonqi