Application that crashed: digikamthemedesigner
Version of the application: 0.11.0-svn (rev.: 955139)
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-020630-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I opened the DLR theme ,changed its colors a bit and saved it. After pressing the close button the program crashed.

 -- Backtrace:
Application: digiKam-Designer (digikamthemedesigner), signal: Aborted
[KCrash Handler]
#5  0x00007f2c3f575fb5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007f2c3f577bc3 in *__GI_abort () at abort.c:88
#7  0x00007f2c3f5bace0 in malloc_printerr (action=2, str=0x7f2c3f67ca86 "free(): invalid pointer", ptr=0x40f6) at malloc.c:5999
#8  0x00007f2c460d27fe in ~ImagePropertiesTab (this=0x125f500) at /home/tobias/digikam/graphics/digikam/libs/imageproperties/imagepropertiestab.cpp:292
#9  0x00007f2c401b5871 in QObjectPrivate::deleteChildren (this=0x126d430) at kernel/qobject.cpp:1854
#10 0x00007f2c40d70072 in ~QWidget (this=0x12674d0) at kernel/qwidget.cpp:1366
#11 0x00007f2c41172ec8 in ~QSplitter (this=0x12674d0) at widgets/qsplitter.cpp:1008
#12 0x00007f2c401b5871 in QObjectPrivate::deleteChildren (this=0x1230c00) at kernel/qobject.cpp:1854
#13 0x00007f2c40d70072 in ~QWidget (this=0x1230b20) at kernel/qwidget.cpp:1366
#14 0x000000000074d66b in ~MainWindow (this=0x1230b20) at /home/tobias/digikam/graphics/digikam/themedesigner/mainwindow.cpp:267
#15 0x00007f2c401b6f45 in QObject::event (this=0x1230b20, e=0x40f6) at kernel/qobject.cpp:1101
#16 0x00007f2c40d7461d in QWidget::event (this=0x1230b20, event=0x18bfdd0) at kernel/qwidget.cpp:7918
#17 0x00007f2c40d23b9d in QApplicationPrivate::notify_helper (this=0x1107df0, receiver=0x1230b20, e=0x18bfdd0) at kernel/qapplication.cpp:4057
#18 0x00007f2c40d2bdea in QApplication::notify (this=0x7fff2b04f040, receiver=0x1230b20, e=0x18bfdd0) at kernel/qapplication.cpp:4022
#19 0x00007f2c4215306b in KApplication::notify (this=0x7fff2b04f040, receiver=0x1230b20, event=0x18bfdd0) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:302
#20 0x00007f2c401a6dfc in QCoreApplication::notifyInternal (this=0x7fff2b04f040, receiver=0x1230b20, event=0x18bfdd0) at kernel/qcoreapplication.cpp:610
#21 0x00007f2c401a7a6a in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x10d8560) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#22 0x00007f2c401d08a3 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#23 0x00007f2c38e3a20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0x00007f2c38e3d8e0 in ?? () from /usr/lib/libglib-2.0.so.0
#25 0x00007f2c38e3da7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0x00007f2c401d052f in QEventDispatcherGlib::processEvents (this=0x10d7d70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#27 0x00007f2c40dbc70f in QGuiEventDispatcherGlib::processEvents (this=0x40f6, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#28 0x00007f2c401a56a2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 721743664}) at kernel/qeventloop.cpp:149
#29 0x00007f2c401a5a6d in QEventLoop::exec (this=0x7fff2b04ef70, flags={i = 721743744}) at kernel/qeventloop.cpp:200
#30 0x00007f2c401a7d34 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#31 0x000000000074b34b in main (argc=1, argv=0x7fff2b04f2b8) at /home/tobias/digikam/graphics/digikam/themedesigner/main.cpp:70

Reported using DrKonqi