1 files changed, 20 insertions, 0 deletions
diff --git a/gfx/tests/crashtests/1205900.html b/gfx/tests/crashtests/1205900.html
new file mode 100644
index 0000000000..5e1f47cae5
--- /dev/null
+++ b/gfx/tests/crashtests/1205900.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+</head>
+
+<body>
+<canvas id="canvas0"></canvas>
+
+<script>
+  var canvas0=document.getElementById("canvas0");
+  var ctx=canvas0.getContext("2d");
+  canvas0.addEventListener("DOMAttrModified",
+                                           function(event) {
+                                             canvas0.toBlob(function(){},"image/jpeg",1);
+                                           }, true); 
+  canvas0.setAttribute("height",470)
+</script>
+
+</body>
+</html>