Adding fuzzer for VoldNativeService

vold_native_service_fuzzer is added to fuzz VoldNativeService.

BUG: 232439428
Test: m vold_native_service_fuzzer
Test: adb sync && adb shell data/fuzz/x86_64/vold_native_service_fuzzer/vold_native_service_fuzzer
Change-Id: I2bf33f68e2a51b4ac390b5a5ad47d07260e94122

tests/Android.bp

@@ -16,3 +16,27 @@ cc_test {
     static_libs: ["libvold"],
     shared_libs: ["libbinder"]
 }
+
+cc_fuzz {
+    name: "vold_native_service_fuzzer",
+    defaults: [
+        "vold_default_flags",
+        "vold_default_libs",
+        "keystore2_use_latest_aidl_ndk_shared",
+        "service_fuzzer_defaults",
+    ],
+    static_libs: [
+        "libvold",
+        "android.security.maintenance-ndk",
+        "libkeymint_support",
+    ],
+    header_libs: ["libvold_headers"],
+    srcs: [
+        "VoldFuzzer.cpp",
+    ],
+    fuzz_config: {
+        cc: [
+            "maco@google.com",
+        ],
+    }
+}

tests/VoldFuzzer.cpp

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2023 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 <fuzzbinder/libbinder_driver.h>
+
+#include "VoldNativeService.h"
+
+using ::android::fuzzService;
+using ::android::sp;
+
+struct selabel_handle* sehandle;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    auto voldService = sp<android::vold::VoldNativeService>::make();
+    fuzzService(voldService, FuzzedDataProvider(data, size));
+    return 0;
+}