<!doctype html>
<html>
  <head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <title>ImageData Crash Test</title>
  </head>
  <body onload="crash();">
    <canvas id="c" width="10" height="10"></canvas>
    <script>
      function crash() {
        var canvas = document.getElementById('c');
        var ctx = canvas.getContext('2d');
        var imgData = {data: new Array(10*10*4), width: 10, height: 10};

        imgData[0] = 0;
        ctx.putImageData(imgData, 0, 0);
      }
    </script>
  </body>
</html>
