85 lines
3.3 KiB
Java
85 lines
3.3 KiB
Java
/*
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* Copyright (c) 2013, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Test that touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION
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* @library /test/lib
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* @requires vm.bits == 64
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* java.management
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run driver ReadFromNoaccessArea
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*/
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.whitebox.WhiteBox;
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import jtreg.SkippedException;
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public class ReadFromNoaccessArea {
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public static void main(String args[]) throws Exception {
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-Xbootclasspath/a:.",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+WhiteBoxAPI",
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"-XX:+UseCompressedOops",
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"-XX:HeapBaseMinAddress=33G",
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"-XX:-CreateCoredumpOnCrash",
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"-Xmx128m",
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DummyClassWithMainTryingToReadFromNoaccessArea.class.getName());
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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System.out.println("******* Printing stdout for analysis in case of failure *******");
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System.out.println(output.getStdout());
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System.out.println("******* Printing stderr for analysis in case of failure *******");
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System.out.println(output.getStderr());
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System.out.println("***************************************************************");
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if (output.getStdout() != null && output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) {
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throw new SkippedException("There is no protected page in ReservedHeapSpace in these circumstance");
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}
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output.shouldNotHaveExitValue(0);
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if (Platform.isWindows()) {
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output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
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} else if (Platform.isOSX()) {
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output.shouldContain("SIGBUS");
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} else {
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output.shouldContain("SIGSEGV");
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}
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}
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public static class DummyClassWithMainTryingToReadFromNoaccessArea {
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// This method calls whitebox method reading from noaccess area
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public static void main(String args[]) throws Exception {
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WhiteBox.getWhiteBox().readFromNoaccessArea();
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}
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}
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}
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