Mercurial > hg > graal-jvmci-8
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/serviceability/jvmti/GetObjectSizeOverflowAgent.java Thu May 22 09:12:29 2014 +0200 @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +import java.lang.instrument.*; + +public class GetObjectSizeOverflowAgent { + + static Instrumentation instrumentation; + + public static void premain(String agentArgs, Instrumentation instrumentation) { + GetObjectSizeOverflowAgent.instrumentation = instrumentation; + } + + public static void main(String[] args) throws Exception { + int[] a = new int[600_000_000]; + long size = instrumentation.getObjectSize(a); + + if (size < 2_400_000_000L) { + throw new RuntimeException("Invalid size of array, expected >= 2400000000, got " + size); + } + + System.out.println("GetObjectSizeOverflow passed"); + } +}