--- old/src/share/native/sun/awt/image/jpeg/imageioJPEG.c	Mon Sep  7 13:25:13 2009
+++ openjdk/jdk/src/share/native/sun/awt/image/jpeg/imageioJPEG.c	Mon Sep  7 13:25:12 2009
@@ -1837,6 +1837,13 @@
         return JNI_FALSE;
     }
 
+    if (stepX > cinfo->image_width) {
+        stepX = cinfo->image_width;
+    }
+    if (stepY > cinfo->image_height) {
+        stepY = cinfo->image_height;
+    }
+
     /*
      * First get the source bands array and copy it to our local array
      * so we don't have to worry about pinning and unpinning it again.