limit the number of filter primitives we're willing to accept on a single filter

longsonr · moz-wptsync-bot · commit dc377a66e142 · 2025-07-12T09:47:43.000+01:00
Differential Revision: https://phabricator.services.mozilla.com/D256994 bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1975943 gecko-commit: ca0cb06ff8f3923966e155b0cecd1483b7b0a0dd gecko-reviewers: emilio
diff --git a/css/filter-effects/crashtests/filter-primitive-crash.html b/css/filter-effects/crashtests/filter-primitive-crash.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<title>
+  Having lots of filter primitives shouldn't crash.
+</title>
+<div style="filter:url(#test1)">test</div>
+<svg
+  width="768"
+  height="768"
+  viewBox="0 0 768 768"
+  xmlns="http://www.w3.org/2000/svg">
+    <filter id="test1">
+        <feMorphology operator="dilate" radius="1" />
+    </filter>
+</svg>
+<script>
+test1.innerHTML = test1.innerHTML.repeat(10000);
+</script>
