Application that crashed: kmplot
Version of the application: 1.2.1
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic-pae i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
When I close the 'edit constraints' dialog after adding some constraints, it crashes.

 -- Backtrace:
Application: KmPlot (kmplot), signal: Segmentation fault
[KCrash Handler]
#6  0xb6189448 in ?? () from /lib/tls/i686/cmov/libc.so.6
#7  0xb618b868 in malloc () from /lib/tls/i686/cmov/libc.so.6
#8  0xb6d3a6bd in qMalloc (size=28) at global/qmalloc.cpp:55
#9  0xb65c59bb in QVector<QCrossingEdge>::malloc (this=0xbfbcf4fc, asize=0, aalloc=1) at ../../include/QtCore/../../src/corelib/tools/qvector.h:382
#10 QVector<QCrossingEdge>::realloc (this=0xbfbcf4fc, asize=0, aalloc=1) at ../../include/QtCore/../../src/corelib/tools/qvector.h:453
#11 0xb65c405b in QVector<QCrossingEdge>::append (this=0xbfbcf6dc, list=..., y=-337499.99999971676, mode=QPathClipper::ClipMode) at ../../include/QtCore/../../src/corelib/tools/qvector.h:525
#12 QVector<QCrossingEdge>::operator<< (this=0xbfbcf6dc, list=..., y=-337499.99999971676, mode=QPathClipper::ClipMode) at ../../include/QtCore/../../src/corelib/tools/qvector.h:284
#13 findCrossings (this=0xbfbcf6dc, list=..., y=-337499.99999971676, mode=QPathClipper::ClipMode) at painting/qpathclipper.cpp:1963
#14 QPathClipper::handleCrossingEdges (this=0xbfbcf6dc, list=..., y=-337499.99999971676, mode=QPathClipper::ClipMode) at painting/qpathclipper.cpp:1972
#15 0xb65c4c70 in QPathClipper::doClip (this=0xbfbcf6dc, list=..., mode=QPathClipper::ClipMode) at painting/qpathclipper.cpp:1842
#16 0xb65c4fca in QPathClipper::clip (this=0xbfbcf6dc, operation=QPathClipper::BoolAnd) at painting/qpathclipper.cpp:1763
#17 0xb65b6754 in QPainterPath::intersected (this=0xbfbcf7cc, p=...) at painting/qpainterpath.cpp:3123
#18 0xb664c8ae in QX11PaintEnginePrivate::fillPath (this=0x8f33a28, path=..., gc_mode=QX11PaintEnginePrivate::PenGC, transform=true) at painting/qpaintengine_x11.cpp:1737
#19 0xb664d0d4 in QX11PaintEngine::drawPath (this=0x8ee2b60, path=...) at painting/qpaintengine_x11.cpp:1804
#20 0xb6644772 in QX11PaintEngine::drawLines (this=0x8ee2b60, lines=0xbfbd0b00, lineCount=1) at painting/qpaintengine_x11.cpp:719
#21 0xb65a7425 in QPainter::drawLines (this=0xbfbd0efc, lines=0xbfbd0b00, lineCount=1) at painting/qpainter.cpp:4590
#22 0xb4067fd2 in QPainter::drawLine (painter=0xbfbd0efc, points=...) at /usr/include/qt4/QtGui/qpainter.h:527
#23 QPainter::drawLine (painter=0xbfbd0efc, points=...) at /usr/include/qt4/QtGui/qpainter.h:549
#24 drawPolyline (painter=0xbfbd0efc, points=...) at ../../../kmplot/kmplot/view.cpp:1768
#25 0xb407444f in View::drawPlot (this=0x8d57b00, plot=..., painter=0xbfbd0efc) at ../../../kmplot/kmplot/view.cpp:2000
#26 0xb407d057 in View::drawFunction (this=0x8d57b00, function=0x8f71b38, painter=0xbfbd0efc) at ../../../kmplot/kmplot/view.cpp:1701
#27 0xb407d668 in View::draw (this=0x8d57b00, dev=0x8d57c1c, medium=View::Screen) at ../../../kmplot/kmplot/view.cpp:411
#28 0xb407d852 in View::drawPlot (this=0x8d57b00) at ../../../kmplot/kmplot/view.cpp:2975
#29 0xb4091dcf in KConstantEditor::dialogFinished (this=0x9019e10) at ../../../kmplot/kmplot/kconstanteditor.cpp:102
#30 0xb4092e53 in KConstantEditor::qt_metacall (this=0x9019e10, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfbd100c) at ./kconstanteditor.moc:89
#31 0xb6e46263 in QMetaObject::activate (sender=0x9019e10, from_signal_index=52, to_signal_index=52, argv=0x0) at kernel/qobject.cpp:3113
#32 0xb6e46ec2 in QMetaObject::activate (sender=0x9019e10, m=0xb755d144, local_signal_index=16, argv=0x0) at kernel/qobject.cpp:3187
#33 0xb7315317 in KDialog::finished (this=0x9019e10) at ./kdialog.moc:295
#34 0xb7315393 in KDialog::hideEvent (this=0x9019e10, event=0x8d77350) at ../../kdeui/dialogs/kdialog.cpp:961
#35 0xb64c8b9b in QWidget::event (this=0x9019e10, event=0xbfbd1484) at kernel/qwidget.cpp:7752
#36 0xb6473f54 in QApplicationPrivate::notify_helper (this=0x8b8d038, receiver=0x9019e10, e=0xbfbd1484) at kernel/qapplication.cpp:4056
#37 0xb647b5ca in QApplication::notify (this=0xbfbd2310, receiver=0x9019e10, e=0xbfbd1484) at kernel/qapplication.cpp:4021
#38 0xb73b114a in KApplication::notify (this=0xbfbd2310, receiver=0x9019e10, event=0xbfbd1484) at ../../kdeui/kernel/kapplication.cpp:302
#39 0xb6e306cb in QCoreApplication::notifyInternal (this=0xbfbd2310, receiver=0x9019e10, event=0xbfbd1484) at kernel/qcoreapplication.cpp:610
#40 0xb64c79ca in QCoreApplication::sendEvent (this=0x908b640) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#41 QWidgetPrivate::hide_helper (this=0x908b640) at kernel/qwidget.cpp:6842
#42 0xb64cff50 in QWidget::setVisible (this=0x9019e10, visible=false) at kernel/qwidget.cpp:7012
#43 0xb6961bff in QDialog::setVisible (this=0x9019e10, visible=false) at dialogs/qdialog.cpp:758
#44 0xb64ce500 in QWidget::hide (this=0x908b640, mode=QWidgetPrivate::CloseWithEvent) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:477
#45 QWidgetPrivate::close_helper (this=0x908b640, mode=QWidgetPrivate::CloseWithEvent) at kernel/qwidget.cpp:7130
#46 0xb64ce688 in QWidget::close (this=0x9019e10) at kernel/qwidget.cpp:7193
#47 0xb7317e58 in KDialog::slotButtonClicked (this=0x9019e10, button=64) at ../../kdeui/dialogs/kdialog.cpp:885
#48 0xb731a369 in KDialog::qt_metacall (this=0x9019e10, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbfbd1788) at ./kdialog.moc:184
#49 0xb4092dea in KConstantEditor::qt_metacall (this=0x9019e10, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbfbd1788) at ./kconstanteditor.moc:75
#50 0xb6e46263 in QMetaObject::activate (sender=0x90128d0, from_signal_index=4, to_signal_index=4, argv=0xbfbd1788) at kernel/qobject.cpp:3113
#51 0xb6e46ec2 in QMetaObject::activate (sender=0x90128d0, m=0xb6f20878, local_signal_index=0, argv=0xbfbd1788) at kernel/qobject.cpp:3187
#52 0xb6e48e73 in QSignalMapper::mapped (this=0x90128d0, _t1=64) at .moc/release-shared/moc_qsignalmapper.cpp:95
#53 0xb6e4970d in QSignalMapper::map (this=0x90128d0, sender=0x90365b8) at kernel/qsignalmapper.cpp:266
#54 0xb6e498ee in QSignalMapper::map (this=0x90128d0) at kernel/qsignalmapper.cpp:257
#55 0xb6e4a12b in QSignalMapper::qt_metacall (this=0x90128d0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfbd1958) at .moc/release-shared/moc_qsignalmapper.cpp:81
#56 0xb6e46263 in QMetaObject::activate (sender=0x90365b8, from_signal_index=29, to_signal_index=30, argv=0xbfbd1958) at kernel/qobject.cpp:3113
#57 0xb6e466d8 in QMetaObject::activate (sender=0x90365b8, m=0xb6ce70a4, from_local_signal_index=2, to_local_signal_index=3, argv=0xbfbd1958) at kernel/qobject.cpp:3207
#58 0xb6b00cc1 in QAbstractButton::clicked (this=0x90365b8, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:200
#59 0xb6829549 in QAbstractButtonPrivate::emitClicked (this=0x905fb50) at widgets/qabstractbutton.cpp:543
#60 0xb682b1a4 in QAbstractButtonPrivate::click (this=0x905fb50) at widgets/qabstractbutton.cpp:536
#61 0xb682b28e in QAbstractButton::timerEvent (this=0x90365b8, e=0xbfbd1fb0) at widgets/qabstractbutton.cpp:1247
#62 0xb6e403bf in QObject::event (this=0x90365b8, e=0xbfbd1fb0) at kernel/qobject.cpp:1075
#63 0xb64c8906 in QWidget::event (this=0x90365b8, event=0xbfbd1fb0) at kernel/qwidget.cpp:7946
#64 0xb68293ee in QAbstractButton::event (this=0x90365b8, e=0xb625d3e8) at widgets/qabstractbutton.cpp:1077
#65 0xb68d366d in QPushButton::event (this=0x90365b8, e=0xbfbd1fb0) at widgets/qpushbutton.cpp:662
#66 0xb6473f54 in QApplicationPrivate::notify_helper (this=0x8b8d038, receiver=0x90365b8, e=0xbfbd1fb0) at kernel/qapplication.cpp:4056
#67 0xb647b5ca in QApplication::notify (this=0xbfbd2310, receiver=0x90365b8, e=0xbfbd1fb0) at kernel/qapplication.cpp:4021
#68 0xb73b114a in KApplication::notify (this=0xbfbd2310, receiver=0x90365b8, event=0xbfbd1fb0) at ../../kdeui/kernel/kapplication.cpp:302
#69 0xb6e306cb in QCoreApplication::notifyInternal (this=0xbfbd2310, receiver=0x90365b8, event=0xbfbd1fb0) at kernel/qcoreapplication.cpp:610
#70 0xb6e5d7ce in QCoreApplication::sendEvent (this=0x8b90234) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#71 QTimerInfoList::activateTimers (this=0x8b90234) at kernel/qeventdispatcher_unix.cpp:572
#72 0xb6e5b0e0 in timerSourceDispatch (source=0x8b90200) at kernel/qeventdispatcher_glib.cpp:165
#73 0xb5be9e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#74 0xb5bed720 in ?? () from /lib/libglib-2.0.so.0
#75 0xb5bed853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#76 0xb6e5b02c in QEventDispatcherGlib::processEvents (this=0x8b77a30, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#77 0xb6514be5 in QGuiEventDispatcherGlib::processEvents (this=0x8b77a30, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#78 0xb6e2ec79 in QEventLoop::processEvents (this=0xbfbd2274, flags=) at kernel/qeventloop.cpp:149
#79 0xb6e2f0ca in QEventLoop::exec (this=0xbfbd2274, flags=...) at kernel/qeventloop.cpp:201
#80 0xb6e3153f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#81 0xb6473dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#82 0x0804fc78 in main (argc=1, argv=0xbfbd24b4) at ../../../kmplot/kmplot/main.cpp:79

Reported using DrKonqi