diff --git a/layout/svg/crashtests/612662-1.svg b/layout/svg/crashtests/612662-1.svg
new file mode 100644
index 00000000000..73dc98ed199
--- /dev/null
+++ b/layout/svg/crashtests/612662-1.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" style="background: url(#a); direction: rtl; margin: -32944px;"></svg>
diff --git a/layout/svg/crashtests/612662-2.svg b/layout/svg/crashtests/612662-2.svg
new file mode 100644
index 00000000000..b46841132f7
--- /dev/null
+++ b/layout/svg/crashtests/612662-2.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+     style="direction: rtl; margin: -32944px;
+            background: url(data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3C%2Fsvg%3E)"></svg>
diff --git a/layout/svg/crashtests/crashtests.list b/layout/svg/crashtests/crashtests.list
index b919f335d7d..ef09401e671 100644
--- a/layout/svg/crashtests/crashtests.list
+++ b/layout/svg/crashtests/crashtests.list
@@ -97,3 +97,5 @@ load 590291-1.svg
 load 601999-1.html
 load 605626-1.svg
 load 610954-1.html
+load 612662-1.html
+load 612662-2.html