1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import sun.misc.Unsafe;
  25 
  26 import java.lang.reflect.Field;
  27 
  28 /*
  29  * @test
  30  * @run main/othervm Crash
  31  */
  32 public class Crash {
  33     public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException {
  34         Field f = Unsafe.class.getDeclaredField("theUnsafe");
  35         f.setAccessible(true);
  36         Unsafe u = (Unsafe) f.get(null);
  37         u.setMemory(0, 42, (byte) 0xFF);
  38     }
  39 }