jdk8-mips64-public/hotspot: test/serviceability/jvmti/GetObjectSizeOverflow.java@997fd9660dd5

8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method
Reviewed-by: dholmes, sspitsyn

     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.*;

    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  {

    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         }

    44         PrintWriter pw = new PrintWriter("MANIFEST.MF");

    45         pw.println("Premain-Class: GetObjectSizeOverflowAgent");

    46         pw.close();

    48         ProcessBuilder pb = new ProcessBuilder();

    49         pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"});

    50         pb.start().waitFor();

    52         ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar",  "GetObjectSizeOverflowAgent");

    53         OutputAnalyzer output = new OutputAnalyzer(pt.start());

    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         }

    62         output.stdoutShouldContain("GetObjectSizeOverflow passed");

    63     }

    64 }

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