jdk8-mips64-public/hotspot: test/serviceability/jvmti/GetObjectSizeOverflowAgent.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.lang.instrument.*;

    25 public class GetObjectSizeOverflowAgent {

    27     static Instrumentation instrumentation;

    29     public static void premain(String agentArgs, Instrumentation instrumentation) {

    30         GetObjectSizeOverflowAgent.instrumentation = instrumentation;

    31     }

    33     public static void main(String[] args) throws Exception {

    34         int[] a = new int[600_000_000];

    35         long size = instrumentation.getObjectSize(a);

    37         if (size < 2_400_000_000L) {

    38             throw new RuntimeException("Invalid size of array, expected >= 2400000000, got " + size);

    39         }

    41         System.out.println("GetObjectSizeOverflow passed");

    42     }

    43 }

Mercurial > jdk8-mips64-public > hotspot / file revision