[Webkit-unassigned] [Bug 111902] New: ASSERT d->m_defersLoading != defers on detik.com

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=111902

           Summary: ASSERT d->m_defersLoading != defers on detik.com
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org
                CC: beidson at apple.com, japhet at chromium.org


I can fairly reliably reproduce this assertion failing on detik.com with just a few reloads.

I didn't investigate in a lot of detail, but looks like the page has multiple iframes with the same URL. Their MainResourceLoaders all appear to share the same ResourceHandle.

As every iframe begins to load, Safari briefly defers loads for the MainResourceLoader. If another load starts and gets deferred in the meanwhile, then we are deferring the same ResourceHandle again.

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