--- a/jdk/src/java.desktop/share/classes/javax/swing/text/AsyncBoxView.java	Sun Oct 05 10:23:13 2014 -0700
+++ b/jdk/src/java.desktop/share/classes/javax/swing/text/AsyncBoxView.java	Tue Oct 07 18:03:58 2014 +0400
@@ -854,7 +854,7 @@
                                          int direction,
                                          Position.Bias[] biasRet)
                                                   throws BadLocationException {
-        if (pos < -1) {
+        if (pos < -1 || pos > getDocument().getLength()) {
             throw new BadLocationException("invalid position", pos);
         }
         return Utilities.getNextVisualPositionFrom(