From bda0922495eaac95097c41b505b4ed3403161a65 Mon Sep 17 00:00:00 2001
From: yawkat <jonas.konrad@oracle.com>
Date: Sun, 5 Jan 2025 13:48:42 +0100
Subject: [PATCH] exclude ConcurrentLinkedHashMap

---
 fuzzing-tests/build.gradle.kts                | 10 ++++-
 .../fuzzing/jazzer/ClassNameMatcher.java      |  2 +-
 .../jazzer/PrepareClusterFuzzTask.java        | 44 +++++++++++++------
 3 files changed, 39 insertions(+), 17 deletions(-)

diff --git a/fuzzing-tests/build.gradle.kts b/fuzzing-tests/build.gradle.kts
index 0c64c66..837c7ab 100644
--- a/fuzzing-tests/build.gradle.kts
+++ b/fuzzing-tests/build.gradle.kts
@@ -33,8 +33,14 @@ dependencies {
 }
 
 tasks.withType<PrepareClusterFuzzTask> {
-    introspectorIncludes = listOf("io.micronaut.*")
-    introspectorExcludes = listOf("io.micronaut.context.*")
+    introspector {
+        includes = listOf("io.micronaut.*")
+        excludes = listOf(
+            "io.micronaut.context.*",
+            "io.micronaut.core.util.clhm.ConcurrentLinkedHashMap*",
+            "io.micronaut.core.util.clhm.ConcurrentLinkedHashMap*",
+        )
+    }
 }
 
 tasks.named<JazzerTask>("jazzer") {
diff --git a/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/ClassNameMatcher.java b/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/ClassNameMatcher.java
index da49a81..0b5fa85 100644
--- a/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/ClassNameMatcher.java
+++ b/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/ClassNameMatcher.java
@@ -14,7 +14,7 @@ public ClassNameMatcher(Collection<String> patterns) {
         exactMatch = new HashSet<>();
         prefixes = new ArrayList<>();
         for (String pattern : patterns) {
-            if (pattern.endsWith(".*")) {
+            if (pattern.endsWith("*")) {
                 prefixes.add(pattern.substring(0, pattern.length() - 1));
             } else {
                 exactMatch.add(pattern);
diff --git a/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/PrepareClusterFuzzTask.java b/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/PrepareClusterFuzzTask.java
index a126763..69cd33d 100644
--- a/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/PrepareClusterFuzzTask.java
+++ b/jazzer-plugin/src/main/java/io/micronaut/fuzzing/jazzer/PrepareClusterFuzzTask.java
@@ -1,10 +1,11 @@
 package io.micronaut.fuzzing.jazzer;
 
 import io.micronaut.fuzzing.processor.DefinedFuzzTarget;
+import org.gradle.api.Action;
 import org.gradle.api.file.DirectoryProperty;
 import org.gradle.api.provider.SetProperty;
 import org.gradle.api.tasks.Input;
-import org.gradle.api.tasks.Optional;
+import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.OutputDirectory;
 import org.gradle.api.tasks.TaskAction;
 import org.slf4j.Logger;
@@ -37,21 +38,19 @@ public abstract class PrepareClusterFuzzTask extends BaseJazzerTask {
     public abstract DirectoryProperty getOutputDirectory();
 
     /**
-     * Class name patterns to include in the introspector report. By default, all dependencies are
-     * included, but this can be too much for the report.
+     * Introspector-specific settings. Note that these don't affect the actual fuzzing, only the
+     * introspector report.
      */
-    @Input
-    @Optional
-    public abstract SetProperty<String> getIntrospectorIncludes();
+    @Nested
+    public abstract Introspector getIntrospector();
 
     /**
-     * Class name patterns to exclude in the introspector report. By default, all dependencies are
-     * included, but this can be too much for the report.
-     * <p>This takes precedence over {@link #getIntrospectorIncludes()}.
+     * Introspector-specific settings. Note that these don't affect the actual fuzzing, only the
+     * introspector report.
      */
-    @Input
-    @Optional
-    public abstract SetProperty<String> getIntrospectorExcludes();
+    public final void introspector(Action<? super Introspector> action) {
+        action.execute(getIntrospector());
+    }
 
     @TaskAction
     public void run() throws IOException {
@@ -120,14 +119,14 @@ public void prepareIntrospectorJars() throws IOException {
             forIntrospector.add(dst);
         }
         try (ClasspathAccess classpathAccess = new ClasspathAccess(forIntrospector)) {
-            Set<String> includePatterns = getIntrospectorIncludes().getOrNull();
+            Set<String> includePatterns = getIntrospector().getIncludes().getOrNull();
             ClassNameMatcher introspectorIncludes;
             if (includePatterns == null || includePatterns.isEmpty()) {
                 introspectorIncludes = null;
             } else {
                 introspectorIncludes = new ClassNameMatcher(includePatterns);
             }
-            ClassNameMatcher introspectorExcludes = new ClassNameMatcher(getIntrospectorExcludes().orElse(Set.of()).get());
+            ClassNameMatcher introspectorExcludes = new ClassNameMatcher(getIntrospector().getExcludes().orElse(Set.of()).get());
             classpathAccess.walkFileTree(root -> new SimpleFileVisitor<>() {
                 @Override
                 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
@@ -207,4 +206,21 @@ static Map<String, String> assignTargetNames(Collection<String> targetClasses) {
         }
         return targetNames;
     }
+
+    public interface Introspector {
+        /**
+         * Class name patterns to include in the introspector report. By default, all dependencies are
+         * included, but this can be too much for the report.
+         */
+        @Input
+        SetProperty<String> getIncludes();
+
+        /**
+         * Class name patterns to exclude in the introspector report. By default, all dependencies are
+         * included, but this can be too much for the report.
+         * <p>This takes precedence over {@link #getIncludes()}.
+         */
+        @Input
+        SetProperty<String> getExcludes();
+    }
 }