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comparison test/serviceability/jvmti/GetObjectSizeOverflow.java @ 17946:997fd9660dd5

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8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method Reviewed-by: dholmes, sspitsyn
author allwin
date Thu, 22 May 2014 09:12:29 +0200
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children 09f19d3de485
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17945:15766b73dc1d 17946:997fd9660dd5
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.io.PrintWriter;
24 import com.oracle.java.testlibrary.*;
25
26 /*
27 * Test to verify GetObjectSize does not overflow on a 600M element int[]
28 *
29 * @test
30 * @bug 8027230
31 * @library /testlibrary
32 * @build GetObjectSizeOverflowAgent
33 * @run main ClassFileInstaller GetObjectSizeOverflowAgent
34 * @run main GetObjectSizeOverflow
35 */
36 public class GetObjectSizeOverflow {
37 public static void main(String[] args) throws Exception {
38
39 if (!Platform.is64bit()) {
40 System.out.println("Test needs a 4GB heap and can only be run as a 64bit process, skipping.");
41 return;
42 }
43
44 PrintWriter pw = new PrintWriter("MANIFEST.MF");
45 pw.println("Premain-Class: GetObjectSizeOverflowAgent");
46 pw.close();
47
48 ProcessBuilder pb = new ProcessBuilder();
49 pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"});
50 pb.start().waitFor();
51
52 ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar", "GetObjectSizeOverflowAgent");
53 OutputAnalyzer output = new OutputAnalyzer(pt.start());
54
55 if (output.getStdout().contains("Could not reserve enough space") || output.getStderr().contains("java.lang.OutOfMemoryError")) {
56 System.out.println("stdout: " + output.getStdout());
57 System.out.println("stderr: " + output.getStderr());
58 System.out.println("Test could not reserve or allocate enough space, skipping");
59 return;
60 }
61
62 output.stdoutShouldContain("GetObjectSizeOverflow passed");
63 }
64 }