test/jdk/java/lang/ProcessBuilder/JspawnhelperWarnings.java - master - githubmirror/panama-vector

test/jdk/java/lang/ProcessBuilder/JspawnhelperWarnings.java
101 строка4 KB
Thomas Stuefe
8377907: (process) Race in ProcessBuilder can cause JVM hangs
19 мар 2026, 08:04
19 мар 2026, 08:04deccad2
/*
 * Copyright (c) 2024, 2026, 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.
 */

/*
 * @test id=badargs
 * @bug 8325567 8325621 8379967
 * @requires (os.family == "linux") | (os.family == "aix") | (os.family == "mac")
 * @library /test/lib
 * @run driver JspawnhelperWarnings badargs
 */

/*
 * @test id=badversion
 * @bug 8325567 8325621 8379967
 * @requires (os.family == "linux") | (os.family == "aix") | (os.family == "mac")
 * @library /test/lib
 * @run driver JspawnhelperWarnings badversion
 */

import java.nio.file.Paths;
import java.util.Arrays;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;

public class JspawnhelperWarnings {

    // See childproc_errorcodes.h
    static final int ESTEP_JSPAWN_ARG_ERROR = 1;
    static final int ESTEP_JSPAWN_VERSION_ERROR = 2;

    // See exitCodeFromErrorCode() in childproc_errorcodes.c
    static final int EXITCODE_OFFSET = 0x10;

    private static void tryWithNArgs(int nArgs) throws Exception {
        System.out.println("Running jspawnhelper with " + nArgs + " args");
        String[] args = new String[nArgs + 1];
        Arrays.fill(args, "1");
        args[0] = Paths.get(System.getProperty("java.home"), "lib", "jspawnhelper").toString();
        Process p = ProcessTools.startProcess("jspawnhelper", new ProcessBuilder(args));
        OutputAnalyzer oa = new OutputAnalyzer(p);
        oa.shouldHaveExitValue(EXITCODE_OFFSET + ESTEP_JSPAWN_ARG_ERROR);
        oa.shouldContain("jspawnhelper fail: (1-0-0)");
        oa.shouldContain("This command is not for general use");
        if (nArgs != 1) {
            oa.shouldContain("Incorrect number of arguments");
        } else {
            oa.shouldContain("Incorrect Java version");
        }
    }

    private static void testVersion() throws Exception {
        String[] args = new String[2];
        args[0] = Paths.get(System.getProperty("java.home"), "lib", "jspawnhelper").toString();
        args[1] = "wrongVersion";
        Process p = ProcessTools.startProcess("jspawnhelper", new ProcessBuilder(args));
        OutputAnalyzer oa = new OutputAnalyzer(p);
        oa.shouldHaveExitValue(EXITCODE_OFFSET + ESTEP_JSPAWN_VERSION_ERROR);
        oa.shouldContain("jspawnhelper fail: (2-0-0)");
        oa.shouldContain("This command is not for general use");
        oa.shouldContain("Incorrect Java version: wrongVersion");
    }

    public static void main(String[] args) throws Exception {
        if (args.length != 1) {
            throw new RuntimeException("test argument error");
        }
        switch (args[0]) {
            case "badargs" -> {
                for (int nArgs = 0; nArgs < 10; nArgs++) {
                    if (nArgs != 1) {
                        tryWithNArgs(nArgs);
                    }
                }
            }
            case "badversion" -> {
                testVersion();
            }
            default -> throw new RuntimeException("test argument error");
        }
    }
}