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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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test/jdk/sun/tools/jhsdb/BasicLauncherTest.java Normal file
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/*
* Copyright (c) 2015, 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
* @summary Basic test for jhsdb launcher
* @library /test/lib
* @requires vm.hasSA
* @requires vm.gc != "Z"
* @build jdk.test.lib.apps.*
* @run main/timeout=480 BasicLauncherTest
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.OutputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;
import java.util.Optional;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.Platform;
import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.SA.SATestUtils;
import jdk.test.lib.Utils;
public class BasicLauncherTest {
private static LingeredApp theApp = null;
private static boolean useJavaLauncher = false;
private static JDKToolLauncher createSALauncher() {
JDKToolLauncher launcher = null;
if (useJavaLauncher) {
// Use java launcher if we need to pass additional parameters to VM
// for debugging purpose
// e.g. -Xlog:class+load=info:file=/tmp/BasicLauncherTest.log
launcher = JDKToolLauncher.createUsingTestJDK("java");
launcher.addToolArg("sun.jvm.hotspot.SALauncher");
}
else {
launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
}
launcher.addVMArgs(Utils.getFilteredTestJavaOpts("-Xcomp"));
return launcher;
}
public static void launchCLHSDB()
throws IOException {
System.out.println("Starting LingeredApp");
try {
theApp = LingeredApp.startApp();
System.out.println("Starting clhsdb against " + theApp.getPid());
JDKToolLauncher launcher = createSALauncher();
launcher.addToolArg("clhsdb");
launcher.addToolArg("--pid=" + Long.toString(theApp.getPid()));
ProcessBuilder processBuilder = SATestUtils.createProcessBuilder(launcher);
processBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
Process toolProcess = processBuilder.start();
try (OutputStream out = toolProcess.getOutputStream()) {
out.write("universe\n".getBytes());
out.write("quit\n".getBytes());
}
// By default child process output stream redirected to pipe, so we are reading it in foreground.
Exception unexpected = null;
try (BufferedReader reader =
new BufferedReader(new InputStreamReader(toolProcess.getInputStream()))) {
String line;
while ((line = reader.readLine()) != null) {
line = line.trim();
System.out.println(line);
if (line.contains("unknown subtype of CollectedHeap")) {
unexpected = new RuntimeException("CollectedHeap type should be known.");
break;
}
}
}
toolProcess.waitFor();
if (toolProcess.exitValue() != 0) {
throw new RuntimeException("FAILED CLHSDB terminated with non-zero exit code " + toolProcess.exitValue());
}
if (unexpected != null) {
throw unexpected;
}
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
}
public static void launchJStack() throws IOException {
System.out.println("Starting LingeredApp");
try {
theApp = LingeredApp.startApp("-Xmx256m");
System.out.println("Starting jstack against " + theApp.getPid());
JDKToolLauncher launcher = createSALauncher();
launcher.addToolArg("jstack");
launcher.addToolArg("--pid=" + Long.toString(theApp.getPid()));
ProcessBuilder processBuilder = SATestUtils.createProcessBuilder(launcher);
OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
output.shouldContain("No deadlocks found");
output.shouldNotContain("illegal bci");
output.shouldNotContain("AssertionFailure");
output.shouldHaveExitValue(0);
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
}
/**
*
* @param vmArgs - vm and java arguments to launch test app
* @return exit code of tool
*/
public static void launch(String expectedMessage,
Optional<String> unexpectedMessage, List<String> toolArgs)
throws IOException {
System.out.println("Starting LingeredApp");
try {
theApp = LingeredApp.startApp("-Xmx256m");
System.out.println("Starting " + toolArgs.get(0) + " against " + theApp.getPid());
JDKToolLauncher launcher = createSALauncher();
for (String cmd : toolArgs) {
launcher.addToolArg(cmd);
}
launcher.addToolArg("--pid=" + Long.toString(theApp.getPid()));
ProcessBuilder processBuilder = SATestUtils.createProcessBuilder(launcher);
processBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
output.shouldContain(expectedMessage);
unexpectedMessage.ifPresent(output::shouldNotContain);
output.shouldHaveExitValue(0);
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
}
public static void launch(String expectedMessage,
String unexpectedMessage, String... toolArgs)
throws IOException {
launch(expectedMessage, Optional.ofNullable(unexpectedMessage),
Arrays.asList(toolArgs));
}
public static void main(String[] args) throws Exception {
SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
launchCLHSDB();
launch("compiler detected", null, "jmap", "--clstats");
launchJStack();
launch("compiler detected", null, "jmap");
launch("Java System Properties",
"System Properties info not available", "jinfo");
launch("java.threads", null, "jsnap");
// The test throws RuntimeException on error.
// IOException is thrown if LingeredApp can't start because of some bad
// environment condition
System.out.println("Test PASSED");
}
}