[Webkit-unassigned] [Bug 114145] New: Web Inspector: InspectorFrontendClientQt delete self in inspectorClientDestroyed function

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=114145

           Summary: Web Inspector: InspectorFrontendClientQt delete self
                    in inspectorClientDestroyed function
           Product: WebKit
           Version: 525.x (Safari 3.2)
          Platform: Unspecified
        OS/Version: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kvodinskiy at mail.ru


>>>>>>	Qt5WebKitd.dll!WebCore::InspectorFrontendClientQt::~InspectorFrontendClientQt()  Line 292	C++
     Qt5WebKitd.dll!WebCore::InspectorFrontendClientQt::`scalar deleting destructor'()  + 0xf bytes    C++
     Qt5WebKitd.dll!WTF::deleteOwnedPtr<WTF::MemoryInstrumentation::InstrumentedPointer<WebCore::WebKitCSSSVGDocumentValue> >(WTF::MemoryInstrumentation::InstrumentedPointer<WebCore::WebKitCSSSVGDocumentValue> * ptr=0x07695588)  Line 60 + 0x20 bytes    C++
     Qt5WebKitd.dll!WTF::PassOwnPtr<WebCore::WorkerEventQueue>::~PassOwnPtr<WebCore::WorkerEventQueue>()  Line 63 + 0x12 bytes    C++
     Qt5WebKitd.dll!WebCore::InspectorController::~InspectorController()  Line 176 + 0x21 bytes    C++
     Qt5WebKitd.dll!WebCore::InspectorController::`scalar deleting destructor'()  + 0xf bytes    C++
     Qt5WebKitd.dll!WTF::deleteOwnedPtr<WebCore::InspectorController>(WebCore::InspectorController * ptr=0x07639478)  Line 60 + 0x1c bytes    C++
     Qt5WebKitd.dll!WTF::PassOwnPtr<WebCore::InspectorController>::~PassOwnPtr<WebCore::InspectorController>()  Line 56 + 0x12 bytes    C++
     Qt5WebKitd.dll!WebCore::Page::~Page()  Line 218 + 0xec bytes    C++
     Qt5WebKitd.dll!WebCore::Page::`scalar deleting destructor'()  + 0xf bytes    C++
     Qt5WebKitd.dll!QWebPageAdapter::deletePage()  Line 237 + 0x1f bytes    C++
     Qt5WebKitWidgetsd.dll!QWebPagePrivate::~QWebPagePrivate()  Line 238    C++
     Qt5WebKitWidgetsd.dll!QWebPagePrivate::`scalar deleting destructor'()  + 0xf bytes    C++
     Qt5WebKitWidgetsd.dll!QWebPage::~QWebPage()  Line 1368 + 0x23 bytes    C++
     Qt5WebKitWidgetsd.dll!WebKit::InspectorClientWebPage::~InspectorClientWebPage()  + 0xf bytes    C++
     Qt5WebKitWidgetsd.dll!WebKit::InspectorClientWebPage::`scalar deleting destructor'()  + 0xf bytes    C++
     Qt5WebKitWidgetsd.dll!QWebViewPrivate::detachCurrentPage()  Line 236 + 0x24 bytes    C++
     Qt5WebKitWidgetsd.dll!QWebViewPrivate::~QWebViewPrivate()  Line 64    C++
     Qt5WebKitWidgetsd.dll!QWebViewPrivate::`scalar deleting destructor'()  + 0xf bytes    C++
     Qt5WebKitWidgetsd.dll!QWebView::~QWebView()  Line 199 + 0x23 bytes    C++
     Qt5WebKitWidgetsd.dll!QWebView::`vector deleting destructor'()  + 0x4d bytes    C++
     Qt5WebKitd.dll!WTF::deleteOwnedPtr<QObject>(QObject * ptr=0x0406ed38)  Line 60 + 0x21 bytes    C++
     Qt5WebKitd.dll!WTF::PassOwnPtr<QQuickItem>::~PassOwnPtr<QQuickItem>()  Line 56 + 0x12 bytes    C++
     Qt5WebKitd.dll!WebCore::InspectorFrontendClientQt::destroyInspectorView(bool notifyInspectorController=false)  Line 373 + 0x8 bytes    C++
>>>>>>	Qt5WebKitd.dll!WebCore::InspectorFrontendClientQt::inspectorClientDestroyed()  Line 378	C++
     Qt5WebKitd.dll!WebCore::InspectorClientQt::closeInspectorFrontend()  Line 216    C++
     Qt5WebKitd.dll!WebCore::InspectorController::close()  Line 270    C++
     Qt5WebKitd.dll!QWebPageAdapter::didCloseInspector()  Line 1024    C++
     Qt5WebKitWidgetsd.dll!QWebInspector::closeEvent(QCloseEvent * event=0x05363000)  Line 182    C++
     Qt5Widgetsd.dll!QWidget::event(QEvent * event=0x05363000)  Line 8024    C++
     Qt5WebKitWidgetsd.dll!QWebInspector::event(QEvent * ev=0x05363000)  Line 148    C++

Follow these steps in InspectorFrontendClientQt::inspectorClientDestroyed to write freed memory:
m_inspectorClient = 0;
m_inspectedWebPage = 0;

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