[Webkit-unassigned] [Bug 95968] [Qt][WK2] API tests crashes with Qt 5.0-beta1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=95968





--- Comment #6 from Peter Varga <pvarga at webkit.org>  2012-09-21 04:06:35 PST ---
I've noticed that this test doesn't crash in release mode all the time. I'm almost sure this crash is caused by a QtDeclarative bug. It seems the problem isn't in the WebView and it's not related to the WebKit. I suppose that the crash is happening in the Qt Quick Test framework.

The problem occurs when the declarative tries to look up the lastResultChanged property in the QML property cache (QQmlPropertyCache::findProperty). The function findProperty iterates through QQmlVMEMetaObject chain in a loop to find a meta-object which holds a particular context (see src/qml/qml/qqmlpropertycache.cpp:946). It seems this meta-object chain is messed up in some cases because the function parentVMEMetaObject returns a wrong pointer instead of nil.

I think this bug should be reported to the QtDeclarative developers.

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