[Webkit-unassigned] [Bug 186914] New: [WPE][ThreadedRendering] WPE crashes rendering SVG content when using ThreadedRendering

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jun 22 02:02:21 PDT 2018


            Bug ID: 186914
           Summary: [WPE][ThreadedRendering] WPE crashes rendering SVG
                    content when using ThreadedRendering
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit WPE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: magomez at igalia.com
                CC: bugs-noreply at webkitgtk.org

Some SVG content uses GraphicsContext::clipToImageBuffer to define a clipping from the contents of an ImageBuffer. But GraphicsContextImpl doesn't have an implementation for this method so the call cannot be delegated and recorded. Instead, cairo GraphicsContext tries to perform cairo operations while in the recording state which causes the crash.

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