Merge "Add bspatch_fuzzer"
diff --git a/bsdiff.gyp b/bsdiff.gyp
index 318c344..65802f4 100644
--- a/bsdiff.gyp
+++ b/bsdiff.gyp
@@ -170,5 +170,21 @@
},
],
}],
+ # fuzzer target
+ ['USE_fuzzer == 1', {
+ 'targets': [
+ {
+ 'target_name': 'bspatch_fuzzer',
+ 'type': 'executable',
+ 'dependencies': [
+ 'libbspatch-static',
+ ],
+ 'includes': ['../../platform2/common-mk/common_fuzzer.gypi'],
+ 'sources': [
+ 'bspatch_fuzzer.cc',
+ ],
+ },
+ ],
+ }],
],
}
diff --git a/bspatch_fuzzer.cc b/bspatch_fuzzer.cc
new file mode 100644
index 0000000..84409dd
--- /dev/null
+++ b/bspatch_fuzzer.cc
@@ -0,0 +1,38 @@
+// Copyright 2018 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <iostream>
+#include <memory>
+#include <vector>
+
+#include "bsdiff/bspatch.h"
+#include "bsdiff/memory_file.h"
+#include "bsdiff/sink_file.h"
+
+namespace {
+
+void FuzzBspatch(const uint8_t* data, size_t size) {
+ const size_t kBufferSize = 1024;
+ std::vector<uint8_t> source_buffer(kBufferSize);
+ std::unique_ptr<bsdiff::FileInterface> source(
+ new bsdiff::MemoryFile(source_buffer.data(), source_buffer.size()));
+ std::unique_ptr<bsdiff::FileInterface> target(new bsdiff::SinkFile(
+ [](const uint8_t* data, size_t size) { return size; }));
+ bsdiff::bspatch(source, target, data, size);
+}
+
+struct Environment {
+ Environment() {
+ // To turn off logging for bsdiff library.
+ std::cerr.setstate(std::ios_base::failbit);
+ }
+};
+
+} // namespace
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ static Environment env;
+ FuzzBspatch(data, size);
+ return 0;
+}
