[Webkit-unassigned] [Bug 38535] WebKit crashes at DebuggerCallFrame::functionName() if m_callFrame is the top global callframe.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38535





--- Comment #13 from Yongjun Zhang <yongjun_zhang at apple.com>  2010-12-23 12:40:36 PST ---
 It turns out WebScriptDebugger in WebKit has empty implementations for willExecuteProgram and didExecuteProgram.  As a result, if the top call frame is from a program, WebKitScriptDebugger doesn't record that callframe as the top frame, and WebScriptDebugger's callframe stack is wrong from this point.  That could cause crash if we trying to access the top call from from this stack when an exception throws because the saved top frame could be invalid.

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