[Truffle] Limit maximum source section length.

jruby · Jan 5, 2016 · 4c72563 · 4c72563
1 parent f9e8fa0
commit 4c72563
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/control/SequenceNode.java b/truffle/src/main/java/org/jruby/truffle/nodes/control/SequenceNode.java
@@ -89,6 +89,9 @@ private static SourceSection enclosing(SourceSection base, RubyNode[] sequence)
             length += base.getSource().getLineLength(n) + 1;
         }
 
+        length = Math.min(length, base.getSource().getLength() - index);
+        length = Math.max(0, length);
+
         return base.getSource().createSection(base.getIdentifier(), index, length);
     }