chromium/third_party/blink/web_tests/svg/filters/big-viewbox.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="200px" height="200px" viewBox="0 0 100000 100000">
  <defs>
    <filter x="0%" y="0%" width="100%" height="100%" id="f1">
      <feOffset/>
    </filter>
  </defs>
  <rect fill="green" width="50000" height="50000" filter="url(#f1)"/>
</svg>