1 files changed, 25 insertions, 0 deletions
diff --git a/editor/libeditor/crashtests/1464251.html b/editor/libeditor/crashtests/1464251.html
new file mode 100644
index 0000000000..afe7e87561
--- /dev/null
+++ b/editor/libeditor/crashtests/1464251.html
@@ -0,0 +1,25 @@
+<script>
+var count = 0;
+function onLoad() {
+  // For emulating the traditional behavior, collapse Selection to end of the
+  // text node in the <s> which is the deepest last child (and a container) of
+  // the <body> (i.e., end of the the text node after the last comment node).
+  const s = document.querySelector("s");
+  getSelection().collapse(s.lastChild, s.lastChild.length);
+  document.execCommand("delete");
+}
+
+function onInputOrDOMNodeInserted() {
+  if (++count >= 3) {
+    return;
+  }
+  addEventListener("DOMNodeInserted", onInputOrDOMNodeInserted);
+  document.execCommand("removeFormat");
+  document.execCommand("insertText", false, "1");
+}
+</script>
+<body onload="onLoad()">
+<ol oninput="onInputOrDOMNodeInserted()" contenteditable>
+<!-- x -->
+<s>
+<!-- x -->