--- /dev/null	2017-07-17 09:23:50.184000000 -0400
+++ new/test/sun/security/provider/DSA/TestMaxLengthDER.java	2017-07-18 13:47:53.163767247 -0400
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8183591
+ * @summary Test decoding of DER length fields containing Integer.MAX_VALUE
+ * @run main TestMaxLengthDER
+ */
+
+import java.io.*;
+import java.math.*;
+import java.security.*;
+import java.security.spec.*;
+
+public class TestMaxLengthDER {
+
+    public static void main(String[] args) throws Exception {
+
+        String message = "Message";
+        Signature sig = Signature.getInstance("SHA256withDSA");
+        KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
+        SecureRandom rnd = new SecureRandom();
+        rnd.setSeed(1);
+        kpg.initialize(2048, rnd);
+        KeyPair kp = kpg.generateKeyPair();
+        sig.initSign(kp.getPrivate());
+        sig.update(message.getBytes());
+        byte[] sigData = sig.sign();
+
+        // Set the length of the second integer to Integer.MAX_VALUE
+        // First copy all the signature data to the correct location
+        int lengthPos = sigData[3] + 5;
+        byte[] modifiedSigData = new byte[sigData.length + 4];
+        System.arraycopy(sigData, 0, modifiedSigData, 0, lengthPos);
+        System.arraycopy(sigData, lengthPos + 1, modifiedSigData,
+            lengthPos + 5, sigData.length - (lengthPos + 1));
+
+        // Increase the length (in bytes) of the sequence to account for
+        // the larger length field
+        modifiedSigData[1] += 4;
+
+        // Modify the length field
+        modifiedSigData[lengthPos] = (byte) 0x84;
+        modifiedSigData[lengthPos + 1] = (byte) 0x7F;
+        modifiedSigData[lengthPos + 2] = (byte) 0xFF;
+        modifiedSigData[lengthPos + 3] = (byte) 0xFF;
+        modifiedSigData[lengthPos + 4] = (byte) 0xFF;
+
+        sig.initVerify(kp.getPublic());
+        sig.update(message.getBytes());
+
+        try {
+            sig.verify(modifiedSigData);
+            throw new RuntimeException("No exception on misencoded signature");
+        } catch (SignatureException ex) {
+            if (ex.getCause() instanceof EOFException) {
+                // this is expected
+            } else {
+                throw ex;
+            }
+        }
+    }
+}