Merge "Fuzz MDnsService" am: bf65a5401a am: 5a1e156361 am: 4d3e959e9f am: 0a143327ca

Original change: https://android-review.googlesource.com/c/platform/system/netd/+/2441889

Change-Id: I24853def831e800a4c78664e96a2481fd171373f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

2 files changed, 109 insertions, 0 deletions

diff --git a/server/Android.bp b/server/Android.bp
index 1f893749..a0df195b 100644
--- a/server/Android.bp
+++ b/server/Android.bp
@@ -248,3 +248,82 @@ cc_test {
     ],
     // tidy: false,  // cuts test build time by almost 1 minute
 }
+
+cc_defaults {
+    name: "netd_aidl_fuzzer_defaults",
+    defaults: [
+        "netd_aidl_interface_lateststable_cpp_static",
+        "netd_defaults",
+    ],
+    include_dirs: [
+        "external/mdnsresponder/mDNSShared",
+        "system/netd/include",
+    ],
+    shared_libs: [
+        "android.system.net.netd@1.0",
+        "android.system.net.netd@1.1",
+        "android.system.net.netd-V1-ndk",
+        "libdl",
+        "libhidlbase",
+        "libmdnssd",
+        "libnetd_updatable",
+        "libnetd_resolv",
+        "libnetdutils",
+        "libnetutils",
+        "liblog",
+        "libpcap",
+        "libprocessgroup",
+        "libselinux",
+        "libsysutils",
+        "libutils",
+        "mdns_aidl_interface-V1-cpp",
+        "netd_event_listener_interface-V1-cpp",
+        "oemnetd_aidl_interface-cpp",
+    ],
+    static_libs: [
+        "libip_checksum",
+        "libnetd_server",
+        "libtcutils",
+    ],
+    srcs: [
+        "DummyNetwork.cpp",
+        "EventReporter.cpp",
+        "FwmarkServer.cpp",
+        "LocalNetwork.cpp",
+        "MDnsEventReporter.cpp",
+        "MDnsSdListener.cpp",
+        "MDnsService.cpp",
+        "NetdCommand.cpp",
+        "NetdHwAidlService.cpp",
+        "NetdHwService.cpp",
+        "NetdNativeService.cpp",
+        "NetlinkHandler.cpp",
+        "Network.cpp",
+        "NetworkController.cpp",
+        "OemNetdListener.cpp",
+        "PhysicalNetwork.cpp",
+        "PppController.cpp",
+        "Process.cpp",
+        "UnreachableNetwork.cpp",
+        "VirtualNetwork.cpp",
+        "oem_iptables_hook.cpp",
+        "Controllers.cpp",
+    ],
+    fuzz_config: {
+        cc: [
+            "cken@google.com",
+            "maze@google.com",
+        ],
+    }
+}
+
+cc_fuzz {
+    name: "mdns_service_fuzzer",
+    defaults: [
+        "service_fuzzer_defaults",
+        "netd_aidl_fuzzer_defaults",
+    ],
+    srcs: [
+        "aidl-fuzzers/MDnsServiceFuzzer.cpp",
+    ],
+}
diff --git a/server/aidl-fuzzers/MDnsServiceFuzzer.cpp b/server/aidl-fuzzers/MDnsServiceFuzzer.cpp
new file mode 100644
index 00000000..afee63da
--- /dev/null
+++ b/server/aidl-fuzzers/MDnsServiceFuzzer.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 <fuzzer/FuzzedDataProvider.h>
+
+#include "MDnsService.h"
+
+using android::fuzzService;
+using android::net::MDnsService;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    auto mdnsService = new MDnsService();
+    fuzzService(mdnsService, FuzzedDataProvider(data, size));
+
+    return 0;
+}