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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/hotspot/jtreg/compiler/inlining/ResolvedClassTest.java Normal file
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/*
* Copyright (c) 2022, 2023, 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
* @bug 8279515
*
* @requires vm.flagless & vm.compiler1.enabled & vm.compiler2.enabled
* @modules java.base/jdk.internal.misc
* @library /test/lib /
*
* @run driver compiler.jsr292.ResolvedClassTest
*/
package compiler.jsr292;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.io.IOException;
public class ResolvedClassTest {
/* ======================================================================== */
static void testStatic() throws IOException {
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-XX:+IgnoreUnrecognizedVMOptions", "-showversion",
"-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining",
"-Xbatch", "-XX:CompileCommand=quiet", "-XX:CompileCommand=compileonly," + TestStatic.class.getName() + "::test",
TestStatic.class.getName());
OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
analyzer.shouldHaveExitValue(0);
analyzer.shouldNotContain("TestStatic$A::m (1 bytes) failed to inline: not inlineable");
analyzer.shouldNotContain("TestStatic$A::m (1 bytes) failed to inline: no static binding");
analyzer.shouldContain("TestStatic$A::m (1 bytes) inline");
}
static class TestStatic {
static class A {
static void m() {}
}
static class B extends A {}
// @DontInline
static void test() {
B.m(); // invokestatic B "m" => A::m
}
public static void main(String[] args) {
for (int i = 0; i < 20_000; i++) {
test();
}
}
}
/* ======================================================================== */
static void testStaticInit() throws IOException {
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-XX:+IgnoreUnrecognizedVMOptions", "-showversion",
"-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining",
"-Xbatch", "-XX:CompileCommand=quiet", "-XX:CompileCommand=compileonly," + TestStaticInit.class.getName() + "::test",
TestStaticInit.class.getName());
OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
analyzer.shouldHaveExitValue(0);
analyzer.shouldContain("TestStaticInit$A::m (1 bytes) failed to inline: no static binding");
}
static class TestStaticInit {
static class A {
static {
for (int i = 0; i < 20_000; i++) {
TestStaticInit.test();
}
}
static void m() {}
}
static class B extends A {}
// @DontInline
static void test() {
B.m(); // A::<clinit> => test() => A::m()
}
public static void main(String[] args) {
A.m(); // trigger initialization of A
}
}
/* ======================================================================== */
static void testIndy() throws IOException {
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-XX:+IgnoreUnrecognizedVMOptions", "-showversion",
"-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining",
"-Xbatch", "-XX:CompileCommand=quiet", "-XX:CompileCommand=compileonly," + TestIndy.class.getName() + "::test",
TestIndy.class.getName());
OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
analyzer.shouldHaveExitValue(0);
analyzer.shouldNotMatch("java\\.lang\\.invoke\\..+::linkToTargetMethod \\(9 bytes\\) failed to inline: not inlineable");
analyzer.shouldMatch("java\\.lang\\.invoke\\..+::linkToTargetMethod \\(9 bytes\\) force inline by annotation");
analyzer.shouldContain("java/lang/invoke/MethodHandle::invokeBasic (not loaded) failed to inline: not inlineable");
}
static class TestIndy {
static String str = "";
// @DontInline
static void test() {
String s1 = "" + str; // indy (linked)
for (int i = 0; i < 200_000; i++) {} // trigger OSR compilation
String s2 = "" + str; // indy (not linked)
}
public static void main(String[] args) {
test();
}
}
/* ======================================================================== */
public static void main(String[] args) throws IOException {
testStatic();
testStaticInit();
testIndy();
}
}