[Webkit-unassigned] [Bug 228226] New: ASSERTION FAILED: areEssentiallyEqual(rendererMappedResult, result) in RenderGeometryMap::mapToContainer

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228226

            Bug ID: 228226
           Summary: ASSERTION FAILED:
                    areEssentiallyEqual(rendererMappedResult, result) in
                    RenderGeometryMap::mapToContainer
           Product: WebKit
           Version: WebKit Local Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tlock.chijin at gmail.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 434075

  --> https://bugs.webkit.org/attachment.cgi?id=434075&action=review

This file is generated by a browser fuzzer

I build webkitgtk-2.32.0 on Linux with Debug build. During the MiniBrowser renders the attachment html file, the WebProcess aborts with the ASSERTION FAILED info.

ASSERTION FAILED: areEssentiallyEqual(rendererMappedResult, result)
../Source/WebCore/rendering/RenderGeometryMap.cpp(117) : WebCore::FloatPoint WebCore::RenderGeometryMap::mapToContainer(const WebCore::FloatPoint &, const WebCore::RenderLayerModelObject *) const

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