[Webkit-unassigned] [Bug 165926] New: Possible nullptr dereference when applying pagination to viewport

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165926

            Bug ID: 165926
           Summary: Possible nullptr dereference when applying pagination
                    to viewport
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

In FrameView::applyPaginationToViewport we check if documentElement is nullptr before accessing its renderer.

Later, we dereference documentElement without checking for null.

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