[Webkit-unassigned] [Bug 80778] New: Null argument to texSubImage2D crashes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=80778

           Summary: Null argument to texSubImage2D crashes
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: WebGL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kbr at google.com
                CC: senorblanco at chromium.org, jamesr at chromium.org,
                    zmo at google.com, twiz at chromium.org


Passing null to the texSubImage2D variant taking ArrayBufferData causes a crash in both Safari and Chromium. At one point the intent of the code was to generate an INVALID_VALUE OpenGL error, but at some point this regressed. It also isn't tested by the WebGL conformance tests. The exact behavior is still being discussed on the public_webgl mailing list but minimally the code should be patched immediately to avoid crashing.

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