LightDM-KDE KCM crashes every time on load with a Segmentation fault.

Reproducible: Always

Steps to Reproduce:
1. Load KCM
Actual Results:  
Crash

Expected Results:  
Run

Application: KDE-Kontrollmodul (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb56f6710 (LWP 2924))]

Thread 2 (Thread 0xaea8ab70 (LWP 2925)):
#0  0xb5fbabb4 in poll () from /lib/libc.so.6
#1  0xb597df9b in g_poll () from /usr/lib/libglib-2.0.so.0
#2  0xb596f486 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0xb596fb8b in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#4  0xaecec25a in ?? () from /usr/lib/libgio-2.0.so.0
#5  0xb5996304 in ?? () from /usr/lib/libglib-2.0.so.0
#6  0xb212ba01 in ?? () from /usr/X11R6/lib/libGL.so.1
#7  0x5c8b0824 in ?? ()
#8  0xbab80424 in ?? ()
#9  0xcd000000 in ?? ()
#10 0x3dd38980 in ?? ()
#11 0xfffff001 in ?? ()
#12 0xe8c30173 in ?? ()
#13 0x000e3233 in ?? ()
#14 0xae14c181 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb56f6710 (LWP 2924)):
[KCrash Handler]
#6  0xb4bf319c in QFormInternal::domPropertyToVariant (afb=0x83ca288, meta=0xb6c0f47c, p=0x8445560) at ../lib/uilib/properties.cpp:140
#7  0xb4b9d82a in QFormInternal::QAbstractFormBuilder::toVariant (this=0x83ca288, meta=0xb6c0f47c, p=0x8445560) at ../lib/uilib/abstractformbuilder.cpp:1002
#8  0xb4bb8241 in QFormInternal::QFormBuilder::applyProperties (this=0x83ca288, o=0x84479e8, properties=...) at ../lib/uilib/formbuilder.cpp:547
#9  0xb4b94967 in QFormInternal::FormBuilderPrivate::applyProperties (this=0x83ca288, o=0x84479e8, properties=...) at quiloader.cpp:414
#10 0xb4ba743a in QFormInternal::QAbstractFormBuilder::create (this=0x83ca288, ui_widget=0x8412500, parentWidget=0x83c9a88) at ../lib/uilib/abstractformbuilder.cpp:303
#11 0xb4bb860e in QFormInternal::QFormBuilder::create (this=0x83ca288, ui_widget=0x8412500, parentWidget=0x83c9a88) at ../lib/uilib/formbuilder.cpp:157
#12 0xb4b92436 in QFormInternal::FormBuilderPrivate::create (this=0x83ca288, ui_widget=0x8412500, parentWidget=0x83c9a88) at quiloader.cpp:452
#13 0xb4bac764 in QFormInternal::QAbstractFormBuilder::create (this=0x83ca288, ui=0xbfa754e0, parentWidget=0x83c9a88) at ../lib/uilib/abstractformbuilder.cpp:248
#14 0xb4bb7f7b in QFormInternal::QFormBuilder::create (this=0x83ca288, ui=0xbfa754e0, parentWidget=0x83c9a88) at ../lib/uilib/formbuilder.cpp:369
#15 0xb4b92c29 in QFormInternal::FormBuilderPrivate::create (this=0x83ca288, ui=0xbfa754e0, parentWidget=0x0) at quiloader.cpp:447
#16 0xaedfc4d6 in QFormInternal::QAbstractFormBuilder::load (this=0x83ca288, dev=0x0, parentWidget=0x1) at ../lib/uilib/abstractformbuilder.cpp:221
#17 0xaedf3d2f in QUiLoader::load (this=0xbfa7562c, device=0xbfa75640, parentWidget=0x83c9a88) at quiloader.cpp:664
#18 0xaedf0664 in ConfigOptions::setTheme (this=0x83c9a88, themeDir=...) at /usr/src/debug/lightdm-kde-greeter-0.2.1/kcm/configoptions.cpp:95
#19 0xaede81b8 in ThemeConfig::onThemeSelected (this=0x83cdc90, index=...) at /usr/src/debug/lightdm-kde-greeter-0.2.1/kcm/themeconfig.cpp:108
#20 0xaede8584 in ThemeConfig::ThemeConfig (this=0x83cdc90, parent=0x824aea8) at /usr/src/debug/lightdm-kde-greeter-0.2.1/kcm/themeconfig.cpp:68
#21 0xaedef81f in LightDMKcm::LightDMKcm (this=0x824aea8, parent=0x8304a28, args=...) at /usr/src/debug/lightdm-kde-greeter-0.2.1/kcm/lightdmkcm.cpp:64
#22 0xaedf0257 in KPluginFactory::createInstance<LightDMKcm, QWidget> (parentWidget=0x0, parent=0x8304a28, args=...) at /usr/include/kpluginfactory.h:477
#23 0xb7156226 in KPluginFactory::create (this=0x82e8370, iface=0xb77003c0 "KCModule", parentWidget=0x0, parent=0x8304a28, args=..., keyword=...) at /usr/src/debug/kdelibs-4.9.0/kdecore/util/kpluginfactory.cpp:203
#24 0xb284dee9 in create<KCModule> (parent=0x8304a28, this=0x82e8370, args=..., keyword=..., parentWidget=0x0) at /usr/src/debug/kdelibs-4.9.0/kdecore/util/kpluginfactory.h:531
#25 createInstance<KCModule> (error=0xbfa75a98, args=..., parent=0x8304a28, parentWidget=0x0, this=0x827ba68) at /usr/src/debug/kdelibs-4.9.0/kdecore/services/kservice.h:565
#26 createInstance<KCModule> (error=0xbfa75a98, args=..., parent=0x8304a28, this=0x827ba68) at /usr/src/debug/kdelibs-4.9.0/kdecore/services/kservice.h:542
#27 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0x8304a28, args=...) at /usr/src/debug/kdelibs-4.9.0/kutils/kcmoduleloader.cpp:89
#28 0xb2853749 in KCModuleProxyPrivate::loadModule (this=0x829c020) at /usr/src/debug/kdelibs-4.9.0/kutils/kcmoduleproxy.cpp:106
#29 0xb2854594 in KCModuleProxy::realModule (this=0x8304a28) at /usr/src/debug/kdelibs-4.9.0/kutils/kcmoduleproxy.cpp:83
#30 0xb2854912 in KCModuleProxy::useRootOnlyMessage (this=0x8304a28) at /usr/src/debug/kdelibs-4.9.0/kutils/kcmoduleproxy.cpp:315
#31 0xb28503d4 in KCMultiDialog::addModule (this=0x827aaa0, moduleInfo=..., parentItem=0x0, args=...) at /usr/src/debug/kdelibs-4.9.0/kutils/kcmultidialog.cpp:390
#32 0xb52c90e6 in kdemain () from /usr/lib/libkdeinit4_kcmshell4.so
#33 0x0804fc3f in _start ()