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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/hotspot/jtreg/runtime/cds/appcds/cacheObject/ArchivedIntegerCacheTest.java Normal file
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/*
* Copyright (c) 2018, 2025, 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 Test primitive box caches integrity in various scenarios (IntegerCache etc)
* @requires vm.cds.write.archived.java.heap
* @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/cds/appcds
* @compile --add-exports java.base/jdk.internal.misc=ALL-UNNAMED CheckIntegerCacheApp.java ArchivedIntegerHolder.java
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar WhiteBox.jar jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar boxCache.jar CheckIntegerCacheApp
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar boxCache-boot.jar ArchivedIntegerHolder
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:./WhiteBox.jar ArchivedIntegerCacheTest
*/
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.helpers.ClassFileInstaller;
import jdk.test.whitebox.WhiteBox;
public class ArchivedIntegerCacheTest {
private static WhiteBox WB = WhiteBox.getWhiteBox();
public static String[] mixArgs(String... args) {
String bootJar = ClassFileInstaller.getJarPath("boxCache-boot.jar");
String[] newArgs = new String[args.length + 5];
newArgs[0] = "--add-exports";
newArgs[1] = "java.base/jdk.internal.misc=ALL-UNNAMED";
newArgs[2] = "-Xbootclasspath/a:" + bootJar;
newArgs[3] = "-XX:+IgnoreUnrecognizedVMOptions";
newArgs[4] = "-XX:ArchiveHeapTestClass=ArchivedIntegerHolder";
System.arraycopy(args, 0, newArgs, 5, args.length);
return newArgs;
}
public static void main(String[] args) throws Exception {
String appJar = ClassFileInstaller.getJarPath("boxCache.jar");
Path userDir = Paths.get(CDSTestUtils.getOutputDir());
Path moduleDir = Files.createTempDirectory(userDir, "mods");
//
// Dump default archive
//
OutputAnalyzer output = TestCommon.dump(appJar,
TestCommon.list("CheckIntegerCacheApp"),
mixArgs());
TestCommon.checkDump(output);
// Test case 1)
// - Default options
System.out.println("----------------------- Test case 1 ----------------------");
output = TestCommon.exec(appJar,
mixArgs("CheckIntegerCacheApp", "127"));
TestCommon.checkExec(output);
// Test case 2)
// - Default archive
// - Larger -XX:AutoBoxCacheMax
System.out.println("----------------------- Test case 2 ----------------------");
output = TestCommon.exec(appJar,
mixArgs("-XX:AutoBoxCacheMax=20000",
"CheckIntegerCacheApp", "20000"));
TestCommon.checkExec(output);
//
// Dump with -XX:AutoBoxCacheMax specified
//
output = TestCommon.dump(appJar,
TestCommon.list("CheckIntegerCacheApp"),
mixArgs("-XX:AutoBoxCacheMax=20000"));
TestCommon.checkDump(output);
// Test case 3)
// - Large archived cache
// - Default options
System.out.println("----------------------- Test case 3 ----------------------");
output = TestCommon.exec(appJar,
mixArgs("--module-path", moduleDir.toString(),
"CheckIntegerCacheApp", "127"));
TestCommon.checkExec(output);
// Test case 4)
// - Large archived cache
// - Matching options
System.out.println("----------------------- Test case 4 ----------------------");
output = TestCommon.exec(appJar,
mixArgs("--module-path", moduleDir.toString(),
"-XX:AutoBoxCacheMax=20000",
"CheckIntegerCacheApp", "20000"));
TestCommon.checkExec(output);
// Test case 5)
// - Large archived cache
// - Larger requested cache
System.out.println("----------------------- Test case 5 ----------------------");
output = TestCommon.exec(appJar,
mixArgs("--module-path", moduleDir.toString(),
"-XX:AutoBoxCacheMax=30000",
"CheckIntegerCacheApp", "30000"));
TestCommon.checkExec(output);
// Test case 6)
// - Cache is too large to archive
output = TestCommon.dump(appJar,
TestCommon.list("CheckIntegerCacheApp"),
mixArgs("-XX:AutoBoxCacheMax=2000000",
"-Xmx1g",
"-XX:NewSize=1g",
"-Xlog:cds+heap=info",
"-Xlog:gc+region+cds",
"-Xlog:gc+region=trace"));
if (WB.canWriteMappedJavaHeapArchive()) {
// The mapping AOT heap archiving mechanism is unable to cache larger objects.
TestCommon.checkDump(output, "Cannot archive the sub-graph referenced from [Ljava.lang.Integer; object");
}
}
}