• SEGFAULT when trying to add custom string property to a block reference

back trace:

Thread [1] 5622 (Suspended : Signal : SIGSEGV:Segmentation fault)	
	malloc_consolidate() at 0xb50470e8	
	_int_malloc() at 0xb5048743	
	_int_realloc() at 0xb504a2d3	
	realloc() at 0xb504bbd3	
	qRealloc() at 0xb535a864	
	QVectorData::reallocate() at 0xb53c78ac	
	0xb58ddc9f	
	0xb5a3f96e	
	0xb5a361fd	
	0xb5a3989f	
	0xb5a39b1a	
	QRegion::operator+=() at 0xb5a3b283	
	0xb5acf62c	
	QWidgetPrivate::syncBackingStore() at 0xb58ca7e2	
	QWidget::event() at 0xb58daf74	
	QMainWindow::event() at 0xb5d2c6d5	
	RMainWindowQt::event() at RMainWindowQt.cpp:624 0x8e86f7d	
	QApplicationPrivate::notify_helper() at 0xb5871d7c	
	QApplication::notify() at 0xb5875b64	
	QCoreApplication::notifyInternal() at 0xb547215b	
	QCoreApplicationPrivate::sendPostedEvents() at 0xb5473457	
	QCoreApplication::sendPostedEvents() at 0xb547363d	
	0xb54a2344	
	g_main_context_dispatch() at 0xb4aee509	
	0xb4aeed10	
	g_main_context_iteration() at 0xb4aeefce	
	QEventDispatcherGlib::processEvents() at 0xb54a2741	
	0xb5932a55	
	QCoreApplication::processEvents() at 0xb54738e9	
	0xb6930965	
	QScriptEngineAgentPrivate::atStatement() at 0xb6bc297b	
	0xb6a41232	
	0xb6a8d39a	
	0xaa2d721d	
	0xb6a423e3	
	0xb6af06e0	
	0xb6ac201e	
	QScriptValue::call() at 0xb6bd2e67	
	REcmaShellPropertyEditor::updateGui() at REcmaShellPropertyEditor.cpp:1,183 0x8d3b975	
	RPropertyEditor::updateFromDocument() at RPropertyEditor.cpp:226 0x8fb3f7d	
	REcmaShellPropertyEditor::updateFromDocument() at REcmaShellPropertyEditor.cpp:111 0x8d370ba	
	RMainWindow::notifyPropertyListeners() at RMainWindow.cpp:245 0x8f9de71	
	RMainWindowQt::event() at RMainWindowQt.cpp:568 0x8e86eb7	
	QApplicationPrivate::notify_helper() at 0xb5871d7c	
	QApplication::notify() at 0xb5875b64	
	QCoreApplication::notifyInternal() at 0xb547215b	
	QCoreApplicationPrivate::sendPostedEvents() at 0xb5473457	
	QCoreApplication::sendPostedEvents() at 0xb547363d	
	0xb54a2344	
	g_main_context_dispatch() at 0xb4aee509	
	0xb4aeed10	
	g_main_context_iteration() at 0xb4aeefce	
	QEventDispatcherGlib::processEvents() at 0xb54a2741	
	0xb5932a55	
	QEventLoop::processEvents() at 0xb547131d	
	QEventLoop::exec() at 0xb54715aa	
	QCoreApplication::exec() at 0xb5473701	
	qtscript_QCoreApplication_static_call() at 0xb08dc4b7	
	0xb6bd813c	
	0xb6ac1f68	
	0xb6a9164c	
	0xb083e0f4	
	0xb6a44262	
	0xb6a445f7	
	0xb6bb0f92	
	QScriptEngine::evaluate() at 0xb6bba46f	
	RScriptHandlerEcma::eval() at RScriptHandlerEcma.cpp:790 0x87d5a26	
	RScriptHandlerEcma::doScript() at RScriptHandlerEcma.cpp:786 0x87d591f	
	RScriptHandler::init() at RScriptHandler.cpp:31 0x8fbbbc2	
	main() at main.cpp:256 0x87cf40a	

Thread [1] 5996 (Suspended : Signal : SIGABRT:Aborted)	
	__kernel_vsyscall() at 0xffffe424	
	raise() at 0xb50048df	
	abort() at 0xb5006220	
	__libc_message() at 0xb5040e07	
	malloc_printerr() at 0xb5046e2b	
	_int_free() at 0xb5047c67	
	free() at 0xb504ba6d	
	qFree() at 0xb535a82d	
	0xb58a3573	
	0xb58a35ae	
	0xb58a38bd	
	QObject::~QObject() at 0xb548a72a	
	QLayout::~QLayout() at 0xb58a864a	
	QGridLayout::~QGridLayout() at 0xb58a1483	
	QtScriptShell_QGridLayout::~QtScriptShell_QGridLayout() at 0xb01e0820	
	QtScriptShell_QGridLayout::~QtScriptShell_QGridLayout() at 0xb01e0872	
	QWidget::~QWidget() at 0xb58d1e25	
	QGroupBox::~QGroupBox() at 0xb5d0d141	
	QtScriptShell_QGroupBox::~QtScriptShell_QGroupBox() at 0xb01e4bf0	
	QtScriptShell_QGroupBox::~QtScriptShell_QGroupBox() at 0xb01e4c42	
	RScriptHandlerEcma::ecmaDestroy() at RScriptHandlerEcma.cpp:1,271 0x87d9245	
	0xb6bd813c	
	0xb6ac1f68	
	0xb6a9164c	
	0xaa2fce4a	
	0xb6a423e3	
	0xb6af06e0	
	0xb6ac201e	
	QScriptValue::call() at 0xb6bd2e67	
	REcmaShellPropertyEditor::updateGui() at REcmaShellPropertyEditor.cpp:1,183 0x8d3b975	
	RPropertyEditor::updateFromDocument() at RPropertyEditor.cpp:226 0x8fb3f7d	
	REcmaShellPropertyEditor::updateFromDocument() at REcmaShellPropertyEditor.cpp:111 0x8d370ba	
	RMainWindow::notifyPropertyListeners() at RMainWindow.cpp:245 0x8f9de71	
	RMainWindowQt::event() at RMainWindowQt.cpp:568 0x8e86eb7	
	QApplicationPrivate::notify_helper() at 0xb5871d7c	
	QApplication::notify() at 0xb5875b64	
	QCoreApplication::notifyInternal() at 0xb547215b	
	QCoreApplicationPrivate::sendPostedEvents() at 0xb5473457	
	QCoreApplication::sendPostedEvents() at 0xb547363d	
	0xb54a2344	
	g_main_context_dispatch() at 0xb4aee509	
	0xb4aeed10	
	g_main_context_iteration() at 0xb4aeefce	
	QEventDispatcherGlib::processEvents() at 0xb54a2741	
	0xb5932a55	
	QEventLoop::processEvents() at 0xb547131d	
	QEventLoop::exec() at 0xb54715aa	
	QCoreApplication::exec() at 0xb5473701	
	qtscript_QCoreApplication_static_call() at 0xb08dc4b7	
	0xb6bd813c	
	0xb6ac1f68	
	0xb6a9164c	
	0xb083e0f4	
	0xb6a44262	
	0xb6a445f7	
	0xb6bb0f92	
	QScriptEngine::evaluate() at 0xb6bba46f	
	RScriptHandlerEcma::eval() at RScriptHandlerEcma.cpp:790 0x87d5a26	
	RScriptHandlerEcma::doScript() at RScriptHandlerEcma.cpp:786 0x87d591f	
	RScriptHandler::init() at RScriptHandler.cpp:31 0x8fbbbc2	
	main() at main.cpp:256 0x87cf40a