--- a/src/java.base/share/classes/sun/nio/ch/IOUtil.java	Thu Nov 09 20:51:37 2017 +0000
+++ b/src/java.base/share/classes/sun/nio/ch/IOUtil.java	Thu Nov 09 13:30:03 2017 -0800
@@ -297,7 +297,7 @@
                      NativeDispatcher nd)
         throws IOException
     {
-        return read(fd, bufs, offset, bufs.length, false, -1, nd);
+        return read(fd, bufs, offset, length, false, -1, nd);
     }
 
     static long read(FileDescriptor fd, ByteBuffer[] bufs, int offset, int length,