Add a fuzzer for AIDL VHAL

Test: android.hardware.automotive.vehicle@V1-default-service_fuzzer
Bug: 231622881
Change-Id: Ib338393aab48f8001d4252b067cb788550e770bd
diff --git a/automotive/vehicle/aidl/impl/vhal/Android.bp b/automotive/vehicle/aidl/impl/vhal/Android.bp
index 5abcaf6..8b4f559 100644
--- a/automotive/vehicle/aidl/impl/vhal/Android.bp
+++ b/automotive/vehicle/aidl/impl/vhal/Android.bp
@@ -66,3 +66,36 @@
         "libbinder_ndk",
     ],
 }
+
+cc_fuzz {
+    name: "android.hardware.automotive.vehicle@V1-default-service_fuzzer",
+    vendor: true,
+    defaults: [
+        "FakeVehicleHardwareDefaults",
+        "VehicleHalDefaults",
+        "android-automotive-large-parcelable-defaults",
+    ],
+    header_libs: [
+        "IVehicleHardware",
+        "VehicleHalDefaultConfig",
+    ],
+    static_libs: [
+        "DefaultVehicleHal",
+        "FakeVehicleHardware",
+        "VehicleHalUtils",
+        "libbase",
+        "libbinder_random_parcel",
+        "libcutils",
+    ],
+    shared_libs: [
+        "libbinder_ndk",
+        "libbinder",
+        "libutils",
+    ],
+    srcs: ["src/fuzzer.cpp"],
+    fuzz_config: {
+        cc: [
+            "keithmok@google.com",
+        ],
+    },
+}
diff --git a/automotive/vehicle/aidl/impl/vhal/src/fuzzer.cpp b/automotive/vehicle/aidl/impl/vhal/src/fuzzer.cpp
new file mode 100644
index 0000000..ac1e3b1
--- /dev/null
+++ b/automotive/vehicle/aidl/impl/vhal/src/fuzzer.cpp
@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+#include <DefaultVehicleHal.h>
+#include <FakeVehicleHardware.h>
+#include <fuzzbinder/libbinder_ndk_driver.h>
+#include <fuzzer/FuzzedDataProvider.h>
+
+using ::android::fuzzService;
+using ::android::hardware::automotive::vehicle::DefaultVehicleHal;
+using ::android::hardware::automotive::vehicle::fake::FakeVehicleHardware;
+using ::ndk::SharedRefBase;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    std::unique_ptr<FakeVehicleHardware> hardware = std::make_unique<FakeVehicleHardware>();
+    std::shared_ptr<DefaultVehicleHal> vhal =
+            ::ndk::SharedRefBase::make<DefaultVehicleHal>(std::move(hardware));
+
+    fuzzService(vhal->asBinder().get(), FuzzedDataProvider(data, size));
+
+    return 0;
+}