[Webkit-unassigned] [Bug 43986] New: [REGRESSION] Web Inspector: crash on closing window with open inspector

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=43986

           Summary: [REGRESSION] Web Inspector: crash on closing window
                    with open inspector
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://webkit.org
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rowan at irowan.com


Created an attachment (id=64362)
 --> (https://bugs.webkit.org/attachment.cgi?id=64362)
Sample crash report

I'm currently on r65222; for the last few days, WebKit has been crashing for me if I close a window with an open inspector.  I can reproduce this easily.

Steps to reproduce:
1) Open WebKit
2) Go to http://webkit.org/
3) Open the web inspector (I use the keyboard shortcut, it opens on the Resources pane by default)
4) Enable resources (I don't have the always-on option enabled)
5) Close the window

I then get a crash, like the following:


Application Specific Information:
objc_msgSend() selector name: _isClosed

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libobjc.A.dylib                   0x00007fff80c4d120 objc_msgSend + 44
1   com.apple.WebKit                  0x0000000100a3ddb4 -[WebInspectorWindowController close] + 84
2   com.apple.WebKit                  0x0000000100a3d86f -[WebInspectorWindowController destroyInspectorView] + 159
3   com.apple.WebCore                 0x00000001010793ab WebCore::InspectorFrontendHost::closeWindow() + 27
4   com.apple.WebCore                 0x000000010122f206 WebCore::jsInspectorFrontendHostPrototypeFunctionCloseWindow(JSC::ExecState*) + 118
5   ???                               0x000039209b6001aa 0 + 62812208497066
6   com.apple.JavaScriptCore          0x00000001007d8f54 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, JSC::JSValue*) + 900

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