Version:           1.11.0 (using 4.2.00 (KDE 4.2.0), Debian packages)
Compiler:          cc
OS:                Linux (i686) release 2.6.26-1-686

When trying to modify tools bar (remove "create a task"), KMail crashes.

[Current thread is 1 (Thread 0xb4124700 (LWP 4124))]

Thread 2 (Thread 0xb2733b90 (LWP 4471)):
#0  0xb7f6c424 in __kernel_vsyscall ()
#1  0xb64255b1 in select () from /lib/i686/cmov/libc.so.6
#2  0xb6fcb670 in QProcessManager::run (this=0x9d47a58) at io/qprocess_unix.cpp:301
#3  0xb6efc52e in QThreadPrivate::start (arg=0x9d47a58) at thread/qthread_unix.cpp:185
#4  0xb56464e5 in start_thread (arg=0xb2733b90) at pthread_create.c:297
#5  0xb642d10e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb4124700 (LWP 4124)):
[KCrash Handler]
#6  0xb7f6c424 in __kernel_vsyscall ()
#7  0xb6375640 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#8  0xb6377008 in *__GI_abort () at abort.c:88
#9  0xb63b9213 in malloc_printerr (action=2, str=0xb648a064 "free(): invalid pointer", ptr=0xb3be678) at malloc.c:5999
#10 0xb63bb135 in *__GI___libc_free (mem=0xb3be678) at malloc.c:3589
#11 0xb6ef6d9d in qFree (ptr=0xb3be678) at global/qmalloc.cpp:56
#12 0xb6f407c0 in QString::free (d=0xb3be678) at tools/qstring.cpp:928
#13 0xb61c01a6 in ~QDomNodePrivate (this=0xb99cb28) at ../../include/QtCore/../../src/corelib/tools/qstring.h:825
#14 0xb61cb11a in ~QDomAttrPrivate (this=0xb99cb28) at dom/qdom.cpp:356
#15 0xb61bef5f in QDomNamedNodeMapPrivate::clearMap (this=0xb99c9f8) at dom/qdom.cpp:3037
#16 0xb61bf0a5 in ~QDomNamedNodeMapPrivate (this=0xb99c9f8) at dom/qdom.cpp:3009
#17 0xb61c1441 in ~QDomElementPrivate (this=0xb999e60) at dom/qdom.cpp:4385
#18 0xb61c00e0 in ~QDomNodePrivate (this=0xa6abee8) at dom/qdom.cpp:1455
#19 0xb61c1451 in ~QDomElementPrivate (this=0xa6abee8) at dom/qdom.cpp:4386
#20 0xb61c00e0 in ~QDomNodePrivate (this=0xb993a68) at dom/qdom.cpp:1455
#21 0xb61c1451 in ~QDomElementPrivate (this=0xb993a68) at dom/qdom.cpp:4386
#22 0xb61c00e0 in ~QDomNodePrivate (this=0xb99de48) at dom/qdom.cpp:1455
#23 0xb61c0289 in ~QDomDocumentPrivate (this=0xb99de48) at dom/qdom.cpp:6144
#24 0xb61b8642 in QDomNode::operator= (this=0xa06e478, n=@0xbfe8540c) at dom/qdom.cpp:2013
#25 0xb61baa54 in QDomDocument::operator= (this=0xa06e478, x=@0xbfe8540c) at dom/qdom.cpp:6586
#26 0xb7ed04aa in KXMLGUIClient::setXMLGUIBuildDocument (this=0xa06e454, doc=@0xbfe8540c) at ../../kdeui/xmlgui/kxmlguiclient.cpp:558
#27 0xb7ed2c0f in KXMLGUIClient::setDOMDocument (this=0xa06e454, document=@0xbfe85488, merge=false) at ../../kdeui/xmlgui/kxmlguiclient.cpp:270
#28 0xb7ed354f in KXMLGUIClient::setXML (this=0xa06e454, document=@0xbfe85514, merge=<value optimized out>) at ../../kdeui/xmlgui/kxmlguiclient.cpp:236
#29 0xb7ed4110 in KXMLGUIClient::setXMLFile (this=0xa06e454, _file=@0xbfe855c0, merge=false, setXMLDoc=true) at ../../kdeui/xmlgui/kxmlguiclient.cpp:219
#30 0xb7ecc6ac in KXmlGuiWindow::createGUI (this=0xa06e420, xmlfile=@0xbfe85608) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:261
#31 0xb72b4845 in ?? () from /usr/lib/libkmailprivate.so.4
#32 0xb72b5b68 in ?? () from /usr/lib/libkmailprivate.so.4
#33 0xb7000be0 in QMetaObject::activate (sender=0xbfe86944, from_signal_index=72, to_signal_index=72, argv=0x0) at kernel/qobject.cpp:3031
#34 0xb7001962 in QMetaObject::activate (sender=0xbfe86944, m=0xb7f41628, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3101
#35 0xb7d132b7 in KEditToolBar::newToolbarConfig (this=0xbfe86944) at ./kedittoolbar.moc:96
#36 0xb7d1a3fb in KEditToolBarPrivate::_k_slotApply (this=0xb49f048) at ../../kdeui/dialogs/kedittoolbar.cpp:614
#37 0xb7d1cbcb in KEditToolBar::qt_metacall (this=0xbfe86944, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfe857c8) at ./kedittoolbar.moc:78
#38 0xb7000be0 in QMetaObject::activate (sender=0xbfe86944, from_signal_index=42, to_signal_index=42, argv=0x0) at kernel/qobject.cpp:3031
#39 0xb7001962 in QMetaObject::activate (sender=0xbfe86944, m=0xb7f41464, local_signal_index=7, argv=0x0) at kernel/qobject.cpp:3101
#40 0xb7d0e2a7 in KDialog::applyClicked (this=0xbfe86944) at ./kdialog.moc:235
#41 0xb7d10c15 in KDialog::slotButtonClicked (this=0xbfe86944, button=8) at ../../kdeui/dialogs/kdialog.cpp:847
#42 0xb7d12084 in KDialog::qt_metacall (this=0xbfe86944, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbfe8598c) at ./kdialog.moc:181
#43 0xb7d1cb5a in KEditToolBar::qt_metacall (this=0xbfe86944, _c=QMetaObject::InvokeMetaMethod, _id=68, _a=0xbfe8598c) at ./kedittoolbar.moc:70
#44 0xb7000be0 in QMetaObject::activate (sender=0xb3cfaa0, from_signal_index=4, to_signal_index=4, argv=0xbfe8598c) at kernel/qobject.cpp:3031
#45 0xb7001962 in QMetaObject::activate (sender=0xb3cfaa0, m=0xb70ce038, local_signal_index=0, argv=0xbfe8598c) at kernel/qobject.cpp:3101
#46 0xb70049f3 in QSignalMapper::mapped (this=0xb3cfaa0, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:93
#47 0xb700527d in QSignalMapper::map (this=0xb3cfaa0, sender=0xb3f1018) at kernel/qsignalmapper.cpp:271
#48 0xb700546e in QSignalMapper::map (this=0xb3cfaa0) at kernel/qsignalmapper.cpp:262
#49 0xb7005d3b in QSignalMapper::qt_metacall (this=0xb3cfaa0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfe85b0c) at .moc/release-shared/moc_qsignalmapper.cpp:80
#50 0xb7000be0 in QMetaObject::activate (sender=0xb3f1018, from_signal_index=29, to_signal_index=30, argv=0xbfe85b0c) at kernel/qobject.cpp:3031
#51 0xb7000fe0 in QMetaObject::activate (sender=0xb3f1018, m=0xb6e98ac4, from_local_signal_index=2, to_local_signal_index=3, argv=0xbfe85b0c) at kernel/qobject.cpp:3121
#52 0xb6ccbb71 in QAbstractButton::clicked (this=0xb3f1018, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:185
#53 0xb6a1eea9 in QAbstractButtonPrivate::emitClicked (this=0xb3f1238) at widgets/qabstractbutton.cpp:538
#54 0xb6a20aa4 in QAbstractButtonPrivate::click (this=0xb3f1238) at widgets/qabstractbutton.cpp:531
#55 0xb6a20d36 in QAbstractButton::mouseReleaseEvent (this=0xb3f1018, e=0xbfe861ac) at widgets/qabstractbutton.cpp:1110
#56 0xb67397c2 in QWidget::event (this=0xb3f1018, event=0xbfe861ac) at kernel/qwidget.cpp:7163
#57 0xb6a1ed4e in QAbstractButton::event (this=0xb3f1018, e=0xbfe861ac) at widgets/qabstractbutton.cpp:1072
#58 0xb6ac5630 in QPushButton::event (this=0xb3f1018, e=0xbfe861ac) at widgets/qpushbutton.cpp:652
#59 0xb66e179c in QApplicationPrivate::notify_helper (this=0x9d43f60, receiver=0xb3f1018, e=0xbfe861ac) at kernel/qapplication.cpp:3803
#60 0xb66e9fd1 in QApplication::notify (this=0xbfe887e8, receiver=0xb3f1018, e=0xbfe861ac) at kernel/qapplication.cpp:3528
#61 0xb7da677d in KApplication::notify (this=0xbfe887e8, receiver=0xb3f1018, event=0xbfe861ac) at ../../kdeui/kernel/kapplication.cpp:307
#62 0xb6fec0e1 in QCoreApplication::notifyInternal (this=0xbfe887e8, receiver=0xb3f1018, event=0xbfe861ac) at kernel/qcoreapplication.cpp:587
#63 0xb66e925e in QApplicationPrivate::sendMouseEvent (receiver=0xb3f1018, event=0xbfe861ac, alienWidget=0xb3f1018, nativeWidget=0xbfe86944, buttonDown=0xb6ea4670, lastMouseReceiver=@0xb6ea4674)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:212
#64 0xb6752e2d in QETWidget::translateMouseEvent (this=0xbfe86944, event=0xbfe8669c) at kernel/qapplication_x11.cpp:4044
#65 0xb6751c11 in QApplication::x11ProcessEvent (this=0xbfe887e8, event=0xbfe8669c) at kernel/qapplication_x11.cpp:3162
#66 0xb677b63a in x11EventSourceDispatch (s=0x9d47670, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:142
#67 0xb49f1368 in IA__g_main_context_dispatch (context=0x9d46498) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2144
#68 0xb49f4a03 in g_main_context_iterate (context=0x9d46498, block=1, dispatch=1, self=0x9d43e48) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2778
#69 0xb49f4bc1 in IA__g_main_context_iteration (context=0x9d46498, may_block=1) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2841
#70 0xb70165e8 in QEventDispatcherGlib::processEvents (this=0x9d3c1d8, flags={i = -1075287976}) at kernel/qeventdispatcher_glib.cpp:319
#71 0xb677ad75 in QGuiEventDispatcherGlib::processEvents (this=0x9d3c1d8, flags={i = -1075287928}) at kernel/qguieventdispatcher_glib.cpp:198
#72 0xb6fea7aa in QEventLoop::processEvents (this=0xbfe868fc, flags={i = -1075287864}) at kernel/qeventloop.cpp:143
#73 0xb6fea96a in QEventLoop::exec (this=0xbfe868fc, flags={i = -1075287804}) at kernel/qeventloop.cpp:194
#74 0xb6b4a647 in QDialog::exec (this=0xbfe86944) at dialogs/qdialog.cpp:447
#75 0xb72b49d4 in ?? () from /usr/lib/libkmailprivate.so.4
#76 0xb72b5b78 in ?? () from /usr/lib/libkmailprivate.so.4
#77 0xb7000be0 in QMetaObject::activate (sender=0xa68cab0, from_signal_index=5, to_signal_index=6, argv=0xbfe86a8c) at kernel/qobject.cpp:3031
#78 0xb7000fe0 in QMetaObject::activate (sender=0xa68cab0, m=0xb6e883d8, from_local_signal_index=1, to_local_signal_index=2, argv=0xbfe86a8c) at kernel/qobject.cpp:3121
#79 0xb66db4a1 in QAction::triggered (this=0xa68cab0, _t1=false) at .moc/release-shared/moc_qaction.cpp:216
#80 0xb66dbe0f in QAction::activate (this=0xa68cab0, event=QAction::Trigger) at kernel/qaction.cpp:1125
#81 0xb6ab5294 in QMenuPrivate::activateAction (this=0xb41bc40, action=0xa68cab0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1002
#82 0xb6ab5d22 in QMenu::mouseReleaseEvent (this=0xb41bbc8, e=0xbfe8722c) at widgets/qmenu.cpp:2169
#83 0xb7e8b835 in KMenu::mouseReleaseEvent (this=0xb41bbc8, e=0xbfe8722c) at ../../kdeui/widgets/kmenu.cpp:454
#84 0xb67397c2 in QWidget::event (this=0xb41bbc8, event=0xbfe8722c) at kernel/qwidget.cpp:7163
#85 0xb6ab8019 in QMenu::event (this=0xb41bbc8, e=0xbfe8722c) at widgets/qmenu.cpp:2265
#86 0xb66e179c in QApplicationPrivate::notify_helper (this=0x9d43f60, receiver=0xb41bbc8, e=0xbfe8722c) at kernel/qapplication.cpp:3803
#87 0xb66e9fd1 in QApplication::notify (this=0xbfe887e8, receiver=0xb41bbc8, e=0xbfe8722c) at kernel/qapplication.cpp:3528
#88 0xb7da677d in KApplication::notify (this=0xbfe887e8, receiver=0xb41bbc8, event=0xbfe8722c) at ../../kdeui/kernel/kapplication.cpp:307
#89 0xb6fec0e1 in QCoreApplication::notifyInternal (this=0xbfe887e8, receiver=0xb41bbc8, event=0xbfe8722c) at kernel/qcoreapplication.cpp:587
#90 0xb66e925e in QApplicationPrivate::sendMouseEvent (receiver=0xb41bbc8, event=0xbfe8722c, alienWidget=0x0, nativeWidget=0xb41bbc8, buttonDown=0xb6ea4670, lastMouseReceiver=@0xb6ea4674)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:212
#91 0xb6753077 in QETWidget::translateMouseEvent (this=0xb41bbc8, event=0xbfe8771c) at kernel/qapplication_x11.cpp:3978
#92 0xb6751c11 in QApplication::x11ProcessEvent (this=0xbfe887e8, event=0xbfe8771c) at kernel/qapplication_x11.cpp:3162
#93 0xb677b63a in x11EventSourceDispatch (s=0x9d47670, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:142
#94 0xb49f1368 in IA__g_main_context_dispatch (context=0x9d46498) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2144
#95 0xb49f4a03 in g_main_context_iterate (context=0x9d46498, block=1, dispatch=1, self=0x9d43e48) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2778
#96 0xb49f4bc1 in IA__g_main_context_iteration (context=0x9d46498, may_block=1) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2841
#97 0xb70165e8 in QEventDispatcherGlib::processEvents (this=0x9d3c1d8, flags={i = -1075283752}) at kernel/qeventdispatcher_glib.cpp:319
#98 0xb677ad75 in QGuiEventDispatcherGlib::processEvents (this=0x9d3c1d8, flags={i = -1075283704}) at kernel/qguieventdispatcher_glib.cpp:198
#99 0xb6fea7aa in QEventLoop::processEvents (this=0xbfe8797c, flags={i = -1075283640}) at kernel/qeventloop.cpp:143
#100 0xb6fea96a in QEventLoop::exec (this=0xbfe8797c, flags={i = -1075283580}) at kernel/qeventloop.cpp:194
#101 0xb6ab7de1 in QMenu::exec (this=0xb41bbc8, p=@0xbfe87fdc, action=0x0) at widgets/qmenu.cpp:1938
#102 0xb7ec2175 in KToolBar::contextMenuEvent (this=0xb29c238, event=0xbfe87fc4) at ../../kdeui/widgets/ktoolbar.cpp:722
#103 0xb6739acd in QWidget::event (this=0xb29c238, event=0xbfe87fc4) at kernel/qwidget.cpp:7320
#104 0xb6af552f in QToolBar::event (this=0xb29c238, event=0xbfe87fc4) at widgets/qtoolbar.cpp:1143
#105 0xb66e179c in QApplicationPrivate::notify_helper (this=0x9d43f60, receiver=0xb29c238, e=0xbfe87fc4) at kernel/qapplication.cpp:3803
#106 0xb66e9b45 in QApplication::notify (this=0xbfe887e8, receiver=0xb29c238, e=0xbfe87fc4) at kernel/qapplication.cpp:3614
#107 0xb7da677d in KApplication::notify (this=0xbfe887e8, receiver=0xb29c238, event=0xbfe87fc4) at ../../kdeui/kernel/kapplication.cpp:307
#108 0xb6fec0e1 in QCoreApplication::notifyInternal (this=0xbfe887e8, receiver=0xb29c238, event=0xbfe87fc4) at kernel/qcoreapplication.cpp:587
#109 0xb66ec75e in QCoreApplication::sendSpontaneousEvent (receiver=0xb29c238, event=0x6) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:212
#110 0xb67535b7 in QETWidget::translateMouseEvent (this=0xa06e420, event=0xbfe8848c) at kernel/qapplication_x11.cpp:4050
#111 0xb6751c11 in QApplication::x11ProcessEvent (this=0xbfe887e8, event=0xbfe8848c) at kernel/qapplication_x11.cpp:3162
#112 0xb677b63a in x11EventSourceDispatch (s=0x9d47670, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:142
#113 0xb49f1368 in IA__g_main_context_dispatch (context=0x9d46498) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2144
#114 0xb49f4a03 in g_main_context_iterate (context=0x9d46498, block=1, dispatch=1, self=0x9d43e48) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2778
#115 0xb49f4bc1 in IA__g_main_context_iteration (context=0x9d46498, may_block=1) at /tmp/buildd/glib2.0-2.18.4/glib/gmain.c:2841
#116 0xb70165e8 in QEventDispatcherGlib::processEvents (this=0x9d3c1d8, flags={i = -1075280312}) at kernel/qeventdispatcher_glib.cpp:319
#117 0xb677ad75 in QGuiEventDispatcherGlib::processEvents (this=0x9d3c1d8, flags={i = -1075280264}) at kernel/qguieventdispatcher_glib.cpp:198
#118 0xb6fea7aa in QEventLoop::processEvents (this=0xbfe886f0, flags={i = -1075280200}) at kernel/qeventloop.cpp:143
#119 0xb6fea96a in QEventLoop::exec (this=0xbfe886f0, flags={i = -1075280136}) at kernel/qeventloop.cpp:194
#120 0xb6fed025 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:845
#121 0xb66e1617 in QApplication::exec () at kernel/qapplication.cpp:3331
#122 0x0804a6a0 in _start ()