Fix boundscheck lost in last String#rindex change.

jruby · Apr 1, 2015 · 5a353b7 · 5a353b7
1 parent 78b3cfd
commit 5a353b7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/src/main/java/org/jruby/util/StringSupport.java b/core/src/main/java/org/jruby/util/StringSupport.java
@@ -926,7 +926,7 @@ private static int strRindex(ByteList str, ByteList sub, int s, int pos, Encodin
         t = sub.begin();
         slen = sub.realSize();
 
-        while (s >= sbeg) {
+        while (s >= sbeg && s + slen <= sbeg + str.realSize()) {
             if (ByteList.memcmp(strBytes, s, subBytes, t, slen) == 0) {
                 return pos;
             }