1 /*
2 * Copyright (c) 2014, 2015, 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 */
27 * @summary Add simple range check into VM implemenation of Unsafe access methods
28 * @library /testlibrary
29 * @modules java.base/jdk.internal.misc
30 * java.management
31 */
32
33 import jdk.test.lib.*;
34 import jdk.internal.misc.Unsafe;
35
36 public class RangeCheck {
37
38 public static void main(String args[]) throws Exception {
39 if (!Platform.isDebugBuild()) {
40 System.out.println("Testing assert which requires a debug build. Passing silently.");
41 return;
42 }
43
44 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
45 true,
46 "-Xmx32m",
47 "-XaddExports:java.base/jdk.internal.misc=ALL-UNNAMED",
48 "-XX:-TransmitErrorReport",
49 "-XX:-CreateCoredumpOnCrash",
50 "-XX:-InlineUnsafeOps", // The compiler intrinsics doesn't have the assert
51 DummyClassWithMainRangeCheck.class.getName());
52
53 OutputAnalyzer output = new OutputAnalyzer(pb.start());
54 output.shouldMatch("assert\\(byte_offset < p_size\\) failed: Unsafe access: offset \\d+ > object's size \\d+");
55 }
56
57 public static class DummyClassWithMainRangeCheck {
58 public static void main(String args[]) throws Exception {
59 Unsafe unsafe = Utils.getUnsafe();
60 unsafe.getObject(new DummyClassWithMainRangeCheck(), Short.MAX_VALUE);
61 }
62 }
63 }
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1 /*
2 * Copyright (c) 2014, 2016, 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 */
27 * @summary Add simple range check into VM implemenation of Unsafe access methods
28 * @library /testlibrary
29 * @modules java.base/jdk.internal.misc
30 * java.management
31 */
32
33 import jdk.test.lib.*;
34 import jdk.internal.misc.Unsafe;
35
36 public class RangeCheck {
37
38 public static void main(String args[]) throws Exception {
39 if (!Platform.isDebugBuild()) {
40 System.out.println("Testing assert which requires a debug build. Passing silently.");
41 return;
42 }
43
44 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
45 true,
46 "-Xmx32m",
47 "--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED",
48 "-XX:-TransmitErrorReport",
49 "-XX:-CreateCoredumpOnCrash",
50 "-XX:-InlineUnsafeOps", // The compiler intrinsics doesn't have the assert
51 DummyClassWithMainRangeCheck.class.getName());
52
53 OutputAnalyzer output = new OutputAnalyzer(pb.start());
54 output.shouldMatch("assert\\(byte_offset < p_size\\) failed: Unsafe access: offset \\d+ > object's size \\d+");
55 }
56
57 public static class DummyClassWithMainRangeCheck {
58 public static void main(String args[]) throws Exception {
59 Unsafe unsafe = Utils.getUnsafe();
60 unsafe.getObject(new DummyClassWithMainRangeCheck(), Short.MAX_VALUE);
61 }
62 }
63 }
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