[Webkit-unassigned] [Bug 46240] New: REGRESSION: Web Inspector: Crash closing window with open Inspector

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=46240

           Summary: REGRESSION: Web Inspector: Crash closing window with
                    open Inspector
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P1
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: s+webkit at sidneysm.com
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, loislo at chromium.org


r67472

Steps to reproduce:
1. Launch
2. Open the inspector
3. Close the browser window

I can reproduce fairly consistently, but not 100% of the time.


Process:         Safari [18275]
Path:            /Applications/Safari.app/Contents/MacOS/Safari
Identifier:      org.webkit.nightly.WebKit
Version:         r67472 (67472)
Code Type:       X86-64 (Native)
Parent Process:  launchd [175]

Date/Time:       2010-09-21 22:31:26.070 -0400
OS Version:      Mac OS X 10.6.4 (10F569)
Report Version:  6

Interval Since Last Report:          6432305 sec
Crashes Since Last Report:           55
Per-App Interval Since Last Report:  187482 sec
Per-App Crashes Since Last Report:   1
Anonymous UUID:                      24E4CADA-DF7C-479C-B204-B47FAE162734

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000010
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Application Specific Information:
objc_msgSend() selector name: _isClosed


Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libobjc.A.dylib                   0x00007fff85e0d11c objc_msgSend + 40
1   com.apple.WebKit                  0x0000000100a437b4 -[WebInspectorWindowController close] + 84
2   com.apple.WebKit                  0x0000000100a43cef -[WebInspectorWindowController destroyInspectorView:] + 127
3   com.apple.WebCore                 0x000000010106f10b WebCore::InspectorFrontendHost::disconnectFromBackend() + 27
4   com.apple.WebCore                 0x0000000101228636 WebCore::jsInspectorFrontendHostPrototypeFunctionDisconnectFromBackend(JSC::ExecState*) + 118
5   ???                               0x000020f6780001aa 0 + 36242947309994
6   com.apple.JavaScriptCore          0x00000001007e068f JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, JSC::JSValue*) + 911

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