[Webkit-unassigned] [Bug 30385] New: [Qt] QGLauncher crashes while closing a window

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30385

           Summary: [Qt] QGLauncher crashes while closing a window
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Keywords: Qt
          Severity: Normal
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tonikitoo at webkit.org
                CC: hausmann at webkit.org


Suppose the following situation:

1) a QGWV object is create.
2) a custom QWebPage-devivated class is create and set as QGWBV's page.

QGraphicsWebView* webView = new QGraphicsWebView;
WebPage* page = new WebPage;
webView->setPage(page);

NOTE: "webView" is not parent of "page".

3) submit a load.

page->mainFrame()->setHtml("<some/html/here>");

If one tries to delete the "webView" object during the load, it is deleted
successfuly (its 'pageClient' reference is also deleted) *BUT* the object
"page" itself is not deleted since it is *not* a children of "webView". Ongoing
painting actions can still try to access (the now invalid) pageClient pointer
right after QGWV deletion.

see both attached backtraces...

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