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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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101
test/jdk/java/lang/ProcessBuilder/JspawnhelperWarnings.java Normal file
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/*
* 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");
}
}
}