[Webkit-unassigned] [Bug 38530] New: SVG fonts may create blank Glyph Cache Pages

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38530

           Summary: SVG fonts may create blank Glyph Cache Pages
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: joepeck at webkit.org


If the primary font is non-SVG, but there is an SVG segment, than when
initializing GlyphPages a page may attempt to be filled with an SVG font. This
results in a null font being used in GlyphPage::fill() which does not crash but
instead fills the page buffer with 0s. This point can be reached if the SVG
font is loading while layout occurs.

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