Mercurial > hg > graal-jvmci-8
comparison test/serviceability/jvmti/GetObjectSizeOverflowAgent.java @ 17946:997fd9660dd5
8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
Reviewed-by: dholmes, sspitsyn
author | allwin |
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date | Thu, 22 May 2014 09:12:29 +0200 |
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17945:15766b73dc1d | 17946:997fd9660dd5 |
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1 /* | |
2 * Copyright (c) 2014, 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 import java.lang.instrument.*; | |
24 | |
25 public class GetObjectSizeOverflowAgent { | |
26 | |
27 static Instrumentation instrumentation; | |
28 | |
29 public static void premain(String agentArgs, Instrumentation instrumentation) { | |
30 GetObjectSizeOverflowAgent.instrumentation = instrumentation; | |
31 } | |
32 | |
33 public static void main(String[] args) throws Exception { | |
34 int[] a = new int[600_000_000]; | |
35 long size = instrumentation.getObjectSize(a); | |
36 | |
37 if (size < 2_400_000_000L) { | |
38 throw new RuntimeException("Invalid size of array, expected >= 2400000000, got " + size); | |
39 } | |
40 | |
41 System.out.println("GetObjectSizeOverflow passed"); | |
42 } | |
43 } |