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

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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/micro/org/openjdk/bench/java/util/ZipFind.java
+++ b/test/micro/org/openjdk/bench/java/util/ZipFind.java
@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2014, 2022, 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.
+ */
+package org.openjdk.bench.java.util;
+
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.concurrent.TimeUnit;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+/**
+ * Tests ZipFile.getEntry() on the microbenchmarks.jar zip file
+ */
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@State(Scope.Thread)
+@Warmup(iterations = 4, time = 2)
+@Measurement(iterations = 4, time = 2)
+@Fork(value = 3)
+public class ZipFind {
+
+    // Files that exist in the microbenchmarks.jar zip file
+    public static final String[] existingFiles = {"org/openjdk/bench/java/util/ZipFind.class",
+            "org/openjdk/bench/vm/lang/Throw.class",
+            "org/openjdk/bench/java/nio/ByteBuffers.class"};
+    public static String[] nonExistingFiles = {"/try/to/findme.not", "needle/in/a/HayStack.class"};
+
+    private ZipFile zip;
+
+    @Setup
+    public void prepare() throws IOException, URISyntaxException {
+        String zipFile = this.getClass().getProtectionDomain().getCodeSource().getLocation().toURI().getPath();
+        zip = new ZipFile(zipFile);
+
+        // Verify no typos in the filename lists above
+        assert zip.getEntry(ZipFind.nonExistingFiles[0]) == null;
+        assert zip.getEntry(ZipFind.existingFiles[0]) != null;
+        assert zip.getEntry(ZipFind.existingFiles[1]) != null;
+        assert zip.getEntry(ZipFind.existingFiles[2]) != null;
+    }
+
+    @TearDown
+    public void cleanup() throws IOException {
+        zip.close();
+    }
+
+    @Benchmark
+    public ZipEntry testOneNonExisting() throws IOException {
+         return zip.getEntry(ZipFind.nonExistingFiles[0]);
+    }
+
+    @Benchmark
+    public void testTwoNonExisting(Blackhole bh) throws IOException {
+        bh.consume(zip.getEntry(nonExistingFiles[0]));
+        bh.consume(zip.getEntry(nonExistingFiles[1]));
+    }
+
+    @Benchmark
+    public void testNonExistingAndExisting(Blackhole bh) throws IOException {
+        bh.consume(zip.getEntry(nonExistingFiles[0]));
+        bh.consume(zip.getEntry(existingFiles[0]));
+    }
+
+    @Benchmark
+    public ZipEntry testOneExisting() throws IOException {
+        return zip.getEntry(ZipFind.existingFiles[0]);
+    }
+
+    @Benchmark
+    public void testTwoExisting(Blackhole bh) throws IOException {
+        bh.consume(zip.getEntry(existingFiles[0]));
+        bh.consume(zip.getEntry(existingFiles[1]));
+    }
+
+    @Benchmark
+    public void testThreeExisting(Blackhole bh) throws IOException {
+        bh.consume(zip.getEntry(existingFiles[0]));
+        bh.consume(zip.getEntry(existingFiles[1]));
+        bh.consume(zip.getEntry(existingFiles[2]));
+    }
+}