[Webkit-unassigned] [Bug 78435] UString.h will crash if is8bit is checked and UString::isNull() == true

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=78435





--- Comment #4 from Benjamin Poulain <benjamin at webkit.org>  2012-02-12 12:41:23 PST ---
(In reply to comment #0)
> If you look at UString.h it seems that it is just a wrapper around WTF::StringImpl.  Most of the functions in UString.h check if it is null, but not UString::is8bit.  This can lead to a null pointer de-reference.  For instance, if you do this...
> 
>     m_mainFrame->script()->evaluateInWorld(ScriptSourceCode(""), ...);

This looks similar to r106600

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