[Webkit-unassigned] [Bug 156690] New: REGRESSION(r198782): SHOULD NEVER BE REACHED failure in ImageSource::setData since r198782

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Apr 18 02:32:20 PDT 2016


https://bugs.webkit.org/show_bug.cgi?id=156690

            Bug ID: 156690
           Summary: REGRESSION(r198782): SHOULD NEVER BE REACHED failure
                    in ImageSource::setData since r198782
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Gtk, Regression
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: bugs-noreply at webkitgtk.org, sabouhallawa at apple.com,
                    simon.fraser at apple.com

The assertion is wrong, because it assumes that ImageDecoder::create() always returns a valid pointer, which is only true for the CG implementation. The non CG implementation can return nullptr if there isn't enough data to figure out the image format or if the image format is not supported. This is causing several crashes in the debug bots.

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