Fuzz java parcel surfaces

Adding a fuzzer for java backend of the parcel.
Test: m java_binder_parcel_fuzzer && ./jazzer_helper.sh --fuzz_target
      java_binder_parcel_fuzzer --target_class parcelfuzzer.ParcelFuzzer
Bug: 232439254

Change-Id: I6ebebb810d707d23a6e4ad9dab1fb51a80f96f69

core/java/Android.bp

@@ -432,6 +432,7 @@ filegroup {
         "android/os/IInterface.java",
         "android/os/Binder.java",
         "android/os/IBinder.java",
+        "android/os/Parcelable.java",
     ],
 }
 

core/tests/fuzzers/FuzzService/FuzzBinder.java

@@ -34,12 +34,12 @@ public class FuzzBinder {
         fuzzServiceInternal(binder, data);
     }
 
-    // This API creates random parcel object
-    public static void createRandomParcel(Parcel parcel, byte[] data) {
-        getRandomParcel(parcel, data);
+    // This API fills parcel object
+    public static void fillRandomParcel(Parcel parcel, byte[] data) {
+        fillParcelInternal(parcel, data);
     }
 
     private static native void fuzzServiceInternal(IBinder binder, byte[] data);
-    private static native void getRandomParcel(Parcel parcel, byte[] data);
+    private static native void fillParcelInternal(Parcel parcel, byte[] data);
     private static native int registerNatives();
 }

core/tests/fuzzers/FuzzService/random_parcel_jni.cpp

@@ -38,7 +38,7 @@ JNIEXPORT jint JNICALL Java_randomparcel_FuzzBinder_registerNatives(JNIEnv* env)
     return registerFrameworkNatives(env);
 }
 
-JNIEXPORT void JNICALL Java_randomparcel_FuzzBinder_getRandomParcel(JNIEnv *env, jobject thiz, jobject jparcel, jbyteArray fuzzData) {
+JNIEXPORT void JNICALL Java_randomparcel_FuzzBinder_fillParcelInternal(JNIEnv *env, jobject thiz, jobject jparcel, jbyteArray fuzzData) {
     size_t len = static_cast<size_t>(env->GetArrayLength(fuzzData));
     uint8_t data[len];
     env->GetByteArrayRegion(fuzzData, 0, len, reinterpret_cast<jbyte*>(data));

core/tests/fuzzers/FuzzService/random_parcel_jni.h

@@ -24,5 +24,5 @@ extern "C" {
     // Function from AndroidRuntime
     jint registerFrameworkNatives(JNIEnv* env);
 
-    JNIEXPORT void JNICALL Java_randomparcel_FuzzBinder_getRandomParcel(JNIEnv *env, jobject thiz, jobject parcel, jbyteArray fuzzData);
+    JNIEXPORT void JNICALL Java_randomparcel_FuzzBinder_fillParcelInternal(JNIEnv *env, jobject thiz, jobject parcel, jbyteArray fuzzData);
 }

core/tests/fuzzers/ParcelFuzzer/Android.bp

@@ -0,0 +1,40 @@
+package {
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+java_fuzz {
+    name: "java_binder_parcel_fuzzer",
+    srcs: [
+        "ParcelFuzzer.java",
+        "ReadUtils.java",
+        "FuzzUtils.java",
+        "FuzzOperation.java",
+        "ReadOperation.java",
+        ":framework-core-sources-for-fuzzers",
+    ],
+    static_libs: [
+        "jazzer",
+        "random_parcel_lib",
+        "binderReadParcelIface-java",
+    ],
+    jni_libs: [
+        "librandom_parcel_jni",
+        "libc++",
+        "libandroid_runtime",
+    ],
+    libs: [
+        "framework",
+        "unsupportedappusage",
+        "ext",
+        "framework-res",
+    ],
+    native_bridge_supported: true,
+    fuzz_config: {
+        cc: [
+            "smoreland@google.com",
+            "waghpawan@google.com",
+        ],
+        // Adds bugs to hotlist "AIDL fuzzers bugs" on buganizer
+        hotlists: ["4637097"],
+    },
+}

core/tests/fuzzers/ParcelFuzzer/FuzzOperation.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package parcelfuzzer;
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+
+public interface FuzzOperation {
+    void doFuzz(FuzzedDataProvider data);
+}

core/tests/fuzzers/ParcelFuzzer/FuzzUtils.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package parcelfuzzer;
+
+import android.os.Parcel;
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+
+import randomparcel.FuzzBinder;
+
+public class FuzzUtils {
+    public static FuzzOperation[] FUZZ_OPERATIONS =
+            new FuzzOperation[] {
+                new FuzzOperation() {
+                    @java.lang.Override
+                    public void doFuzz(FuzzedDataProvider provider) {
+                        // Fuzz Append
+                        int start = provider.consumeInt();
+                        int len = provider.consumeInt();
+                        Parcel p1 = null;
+                        Parcel p2 = null;
+
+                        try {
+                            p1 = Parcel.obtain();
+                            p2 = Parcel.obtain();
+
+                            byte[] data =
+                                    provider.consumeBytes(
+                                            provider.consumeInt(0, provider.remainingBytes()));
+                            FuzzBinder.fillRandomParcel(p1, data);
+                            FuzzBinder.fillRandomParcel(p2, provider.consumeRemainingAsBytes());
+
+                            p1.appendFrom(p2, start, len);
+
+                        } catch (Exception e) {
+                            // Rethrow exception as runtime exceptions are catched
+                            // at highest level.
+                            throw e;
+                        } finally {
+                            p1.recycle();
+                            p2.recycle();
+                        }
+                    }
+                },
+                new FuzzOperation() {
+                    @java.lang.Override
+                    public void doFuzz(FuzzedDataProvider provider) {
+                        // Fuzz Read
+                        // Use maximum bytes to generate read instructions and remaining for parcel
+                        // creation
+                        int maxParcelBytes = provider.remainingBytes() / 3;
+                        byte[] data = provider.consumeBytes(maxParcelBytes);
+                        Parcel randomParcel = null;
+
+                        try {
+                            randomParcel = Parcel.obtain();
+                            FuzzBinder.fillRandomParcel(randomParcel, data);
+
+                            while (provider.remainingBytes() > 0) {
+                                provider.pickValue(ReadUtils.READ_OPERATIONS)
+                                        .readParcel(randomParcel, provider);
+                            }
+
+                        } catch (Exception e) {
+                            // Rethrow exception as runtime exceptions are catched
+                            // at highest level.
+                            throw e;
+                        } finally {
+                            randomParcel.recycle();
+                        }
+                    }
+                },
+            };
+}

core/tests/fuzzers/ParcelFuzzer/ParcelFuzzer.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package parcelfuzzer;
+
+import android.util.Log;
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+
+import randomparcel.FuzzBinder;
+
+public class ParcelFuzzer {
+
+    static {
+        // Initialize JNI dependencies
+        FuzzBinder.init();
+    }
+
+    public static void fuzzerTestOneInput(FuzzedDataProvider provider) {
+        // Default behavior for Java APIs is to throw RuntimeException.
+        // We need to fuzz to detect other problems which are not handled explicitly.
+        // TODO(b/150808347): Change known API exceptions to subclass of
+        // RuntimeExceptions and catch those only.
+        try {
+            provider.pickValue(FuzzUtils.FUZZ_OPERATIONS).doFuzz(provider);
+        } catch (RuntimeException e) {
+            Log.e("ParcelFuzzer", "Exception occurred while fuzzing ", e);
+        }
+    }
+}

core/tests/fuzzers/ParcelFuzzer/ReadOperation.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package parcelfuzzer;
+
+import android.os.Parcel;
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+
+public interface ReadOperation {
+    void readParcel(Parcel parcel, FuzzedDataProvider provider);
+}

core/tests/fuzzers/ParcelFuzzer/ReadUtils.java

@@ -0,0 +1,435 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package parcelfuzzer;
+
+import android.os.Binder;
+import android.os.IBinder;
+import android.os.IInterface;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import parcelables.EmptyParcelable;
+import parcelables.GenericDataParcelable;
+import parcelables.SingleDataParcelable;
+
+public class ReadUtils {
+    public static int MAX_LEN = 1000000;
+    public static int MIN_LEN = 0;
+
+    private static class SomeParcelable implements Parcelable {
+        private final int mValue;
+
+        private SomeParcelable(Parcel in) {
+            this.mValue = in.readInt();
+        }
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(Parcel out, int flags) {
+            out.writeInt(mValue);
+        }
+
+        public static Parcelable.Creator<SomeParcelable> CREATOR =
+                new Parcelable.Creator<SomeParcelable>() {
+
+                    @Override
+                    public SomeParcelable createFromParcel(Parcel source) {
+                        return new SomeParcelable(source);
+                    }
+
+                    @Override
+                    public SomeParcelable[] newArray(int size) {
+                        return new SomeParcelable[size];
+                    }
+                };
+    }
+
+    private static class TestClassLoader extends ClassLoader {
+        TestClassLoader() {
+            super();
+        }
+    }
+
+    private static class TestInterface implements IInterface {
+        public Binder binder;
+        private static final String DESCRIPTOR = "TestInterface";
+
+        TestInterface() {
+            binder = new Binder();
+            binder.attachInterface(this, DESCRIPTOR);
+        }
+
+        public IBinder asBinder() {
+            return binder;
+        }
+
+        public static TestInterface asInterface(IBinder binder) {
+            if (binder != null) {
+                IInterface iface = binder.queryLocalInterface(DESCRIPTOR);
+                if (iface != null && iface instanceof TestInterface) {
+                    return (TestInterface) iface;
+                }
+            }
+            return null;
+        }
+    }
+
+    public static ReadOperation[] READ_OPERATIONS =
+            new ReadOperation[] {
+                    (parcel, provider) -> {
+                        parcel.setDataPosition(provider.consumeInt());
+                    },
+                    (parcel, provider) -> {
+                        parcel.setDataCapacity(provider.consumeInt());
+                    },
+                    (parcel, provider) -> {
+                        parcel.setDataSize(provider.consumeInt());
+                    },
+                    (parcel, provider) -> {
+                        parcel.dataSize();
+                    },
+                    (parcel, provider) -> {
+                        parcel.dataPosition();
+                    },
+                    (parcel, provider) -> {
+                        parcel.dataCapacity();
+                    },
+
+                    // read basic types
+                    (parcel, provider) -> {
+                        parcel.readByte();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readBoolean();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readInt();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readLong();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readFloat();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readDouble();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readString();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readString8();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readString16();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readBlob();
+                    },
+                    (parcel, provider) -> {
+                        parcel.readStrongBinder();
+                    },
+
+                    // read arrays of random length
+                    (parcel, provider) -> {
+                        byte[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new byte[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new byte[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readByteArray(array);
+                    },
+                    (parcel, provider) -> {
+                        char[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new char[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new char[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readCharArray(array);
+                    },
+                    (parcel, provider) -> {
+                        int[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new int[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new int[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readIntArray(array);
+                    },
+                    (parcel, provider) -> {
+                        double[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new double[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new double[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readDoubleArray(array);
+                    },
+                    (parcel, provider) -> {
+                        float[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new float[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new float[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readFloatArray(array);
+                    },
+                    (parcel, provider) -> {
+                        boolean[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new boolean[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new boolean[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readBooleanArray(array);
+                    },
+                    (parcel, provider) -> {
+                        long[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new long[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new long[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readLongArray(array);
+                    },
+                    (parcel, provider) -> {
+                        IBinder[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new IBinder[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new IBinder[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readBinderArray(array);
+                    },
+                    (parcel, provider) -> {
+                        ArrayList<IBinder> arrayList = new ArrayList<IBinder>();
+                        parcel.readBinderList(arrayList);
+                    },
+
+                    // unmarshall from random parcel data and random bytes
+                    (parcel, provider) -> {
+                        byte[] data = parcel.marshall();
+                        Parcel p = Parcel.obtain();
+                        p.unmarshall(data, provider.consumeInt(), provider.consumeInt());
+                        p.recycle();
+                    },
+                    (parcel, provider) -> {
+                        byte[] data = provider.consumeRemainingAsBytes();
+                        Parcel p = Parcel.obtain();
+                        p.unmarshall(data, provider.consumeInt(), provider.consumeInt());
+                        p.recycle();
+                    },
+                    (parcel, provider) -> {
+                        parcel.hasFileDescriptors(provider.consumeInt(), provider.consumeInt());
+                    },
+
+                    // read AIDL generated parcelables
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelable(loader, SingleDataParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelableArray(loader, SingleDataParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        SingleDataParcelable[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new SingleDataParcelable[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new SingleDataParcelable[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readTypedArray(array, SingleDataParcelable.CREATOR);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelable(loader, EmptyParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelableArray(loader, EmptyParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        EmptyParcelable[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new EmptyParcelable[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new EmptyParcelable[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readTypedArray(array, EmptyParcelable.CREATOR);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelable(loader, GenericDataParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelableArray(loader, GenericDataParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        GenericDataParcelable[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new GenericDataParcelable[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            int len = provider.consumeInt(MIN_LEN, MAX_LEN);
+                            array = new GenericDataParcelable[len];
+                        }
+                        parcel.readTypedArray(array, GenericDataParcelable.CREATOR);
+                    },
+
+                    // read parcelables
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelable(loader, SomeParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelableArray(loader, SomeParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        SomeParcelable[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new SomeParcelable[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new SomeParcelable[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readTypedArray(array, SomeParcelable.CREATOR);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelableArray(loader);
+                    },
+                    (parcel, provider) -> {
+                        parcel.hasFileDescriptors(provider.consumeInt(), provider.consumeInt());
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readParcelableArray(loader);
+                    },
+
+                    // read lists
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readArrayList(loader);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readArrayList(loader, Object.class);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readArrayList(loader, SomeParcelable.class);
+                    },
+
+                    // read sparse arrays
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readSparseArray(loader);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readSparseArray(loader, Object.class);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readSparseArray(loader, SomeParcelable.class);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readSerializable(loader, Object.class);
+                    },
+
+                    // read interface
+                    (parcel, provider) -> {
+                        TestInterface[] array;
+                        if (provider.consumeBoolean()) {
+                            int pos = parcel.dataPosition();
+                            array = new TestInterface[Math.min(MAX_LEN, parcel.readInt())];
+                            parcel.setDataPosition(pos);
+                        } else {
+                            array = new TestInterface[provider.consumeInt(MIN_LEN, MAX_LEN)];
+                        }
+                        parcel.readInterfaceArray(array, TestInterface::asInterface);
+                    },
+                    (parcel, provider) -> {
+                        int w = provider.consumeInt(MIN_LEN, MAX_LEN);
+                        int h = provider.consumeInt(MIN_LEN, MAX_LEN);
+                        TestInterface[][] array = new TestInterface[w][h];
+                        parcel.readFixedArray(array, TestInterface::asInterface);
+                    },
+                    (parcel, provider) -> {
+                        ArrayList<TestInterface> array = new ArrayList<TestInterface>();
+                        parcel.readInterfaceList(array, TestInterface::asInterface);
+                    },
+
+                    // read bundle
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readBundle(loader);
+                    },
+                    (parcel, provider) -> {
+                        parcel.readBundle();
+                    },
+
+                    // read HashMap
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readHashMap(loader);
+                    },
+                    (parcel, provider) -> {
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readHashMap(loader, String.class, String.class);
+                    },
+                    (parcel, provider) -> {
+                        HashMap<String, String> hashMap = new HashMap<>();
+                        TestClassLoader loader = new TestClassLoader();
+                        parcel.readMap(hashMap, loader, String.class, String.class);
+                    },
+            };
+}