layout/style/crashtests/long-url-list-stack-overflow.html

<!DOCTYPE html>
<html>
<head>
<style id="s"></style>
<script type="text/javascript">

// Duplicates the string 2^n times
function exp(s, n)
{
  for (var i = 0; i < n; ++i)
    s += s;
  return s;
}

var stylesheet = "@-moz-document url(http://www.w3.org/)" + exp(", url-prefix(file:///)", 20) + " { }";
document.getElementById("s").textContent = stylesheet;

</script>
</head>
<body>
<div></div>
</body>
</html>