Adding multiple fuzzers for libbinder.
Adding fuzzers in libbinder for Binder, BpBinder, MemoryHeapBase, ParcelBlob, PersistableBundle, Stability, Status, and TextOutput. These follow the same framework style.
Test: Tested on a Pixel3a device for 500k iterations each.
Signed-off-by: Corbin Souffrant <corbin.souffrant@leviathansecurity.com>
Change-Id: I53b85570a3abde854b01ffefc2739b79b39af7e2
diff --git a/libs/binder/tests/fuzzers/StatusFuzz.cpp b/libs/binder/tests/fuzzers/StatusFuzz.cpp
new file mode 100644
index 0000000..4f6ad6f
--- /dev/null
+++ b/libs/binder/tests/fuzzers/StatusFuzz.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2020 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 <StatusFuzzFunctions.h>
+#include <binder/Parcel.h>
+#include <binder/Status.h>
+#include <commonFuzzHelpers.h>
+#include <fuzzer/FuzzedDataProvider.h>
+#include <utils/String8.h>
+#include <cstdint>
+#include <sstream>
+#include <string>
+
+namespace android {
+// Fuzzer entry point.
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ FuzzedDataProvider fdp(data, size);
+
+ int32_t exceptionCode = fdp.ConsumeIntegral<int32_t>();
+ std::string message_str = fdp.ConsumeRandomLengthString(fdp.remaining_bytes());
+ String8 message(message_str.c_str());
+
+ Parcel parcel;
+ std::vector<uint8_t> buf = fdp.ConsumeBytes<uint8_t>(
+ fdp.ConsumeIntegralInRange<size_t>(0, fdp.remaining_bytes() - 1));
+ parcel.write(buf.data(), buf.size());
+ binder::Status status = binder::Status::fromExceptionCode(exceptionCode, message);
+
+ while (fdp.remaining_bytes() > 0) {
+ callArbitraryFunction(&fdp, gStatusOperations, &status, &parcel);
+ }
+ return 0;
+}
+} // namespace android