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 2.6.31-20-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
when searching large message folder kmail crashes with segfault

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0x014c2558 in ?? () from /lib/tls/i686/cmov/libc.so.6
#7  0x014c4978 in malloc () from /lib/tls/i686/cmov/libc.so.6
#8  0x0141dbb7 in operator new(unsigned int) () from /usr/lib/libstdc++.so.6
#9  0x02b6096c in QPen (this=0xbfa4115c, brush=..., width=0, s=Qt::SolidLine, c=Qt::SquareCap, j=Qt::BevelJoin) at painting/qpen.cpp:323
#10 0x02b277d1 in QPainter::initFrom (this=0xbfa413a0, widget=0x9c0e2e0) at painting/qpainter.cpp:1483
#11 0x02b2ec11 in QPainter::begin (this=0xbfa413a0, pd=0xa32b53c) at painting/qpainter.cpp:1792
#12 0x02b2f2f8 in QPainter (this=0xbfa413a0, pd=0x9c0e2e8) at painting/qpainter.cpp:1411
#13 0x02a5efb1 in QWidgetPrivate::drawWidget (this=0x9e2b9f0, pdev=0xa32b53c, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0xa33ea90) at kernel/qwidget.cpp:5044
#14 0x02bed2f8 in QWidgetBackingStore::sync (this=0xa33ea90) at painting/qbackingstore.cpp:1269
#15 0x02a50116 in QWidgetPrivate::syncBackingStore (this=0x9e2b9f0) at kernel/qwidget.cpp:1603
#16 0x02a57215 in QWidget::event (this=0x9c0e2e0, event=0xafc6ba8) at kernel/qwidget.cpp:7827
#17 0x02e24297 in QMainWindow::event (this=0x9c0e2e0, event=0xafc6ba8) at widgets/qmainwindow.cpp:1399
#18 0x006bddc4 in KMainWindow::event (this=0x9c0e2e0, ev=0xafc6ba8) at ../../kdeui/widgets/kmainwindow.cpp:1094
#19 0x0070430f in KXmlGuiWindow::event (this=0x9c0e2e0, ev=0xafc6ba8) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:131
#20 0x02a01f54 in QApplicationPrivate::notify_helper (this=0x9cc65e8, receiver=0x9c0e2e0, e=0xafc6ba8) at kernel/qapplication.cpp:4056
#21 0x02a095ca in QApplication::notify (this=0xbfa41f90, receiver=0x9c0e2e0, e=0xafc6ba8) at kernel/qapplication.cpp:4021
#22 0x005d7bfa in KApplication::notify (this=0xbfa41f90, receiver=0x9c0e2e0, event=0xafc6ba8) at ../../kdeui/kernel/kapplication.cpp:302
#23 0x0126f6cb in QCoreApplication::notifyInternal (this=0xbfa41f90, receiver=0x9c0e2e0, event=0xafc6ba8) at kernel/qcoreapplication.cpp:610
#24 0x012702b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9beffa8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9beffa8) at kernel/qcoreapplication.cpp:1247
#26 0x0127047d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#27 0x0129a3ff in QCoreApplication::sendPostedEvents (s=0x9c18e10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#28 postEventSourceDispatch (s=0x9c18e10) at kernel/qeventdispatcher_glib.cpp:210
#29 0x04edfe88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x04ee3730 in ?? () from /lib/libglib-2.0.so.0
#31 0x04ee3863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x0129a02c in QEventDispatcherGlib::processEvents (this=0x9bf0180, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#33 0x02aa2be5 in QGuiEventDispatcherGlib::processEvents (this=0x9bf0180, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x0126dc79 in QEventLoop::processEvents (this=0xbfa41e54, flags=) at kernel/qeventloop.cpp:149
#35 0x0126e0ca in QEventLoop::exec (this=0xbfa41e54, flags=...) at kernel/qeventloop.cpp:201
#36 0x0127053f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x02a01dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#38 0x0804a702 in main (argc=3, argv=0xbfa42144) at ../../kmail/main.cpp:146

Reported using DrKonqi