Add a fuzzer for the wire server and Dawn frontend
BUG=dawn:34
Change-Id: Ia82b52276c91ed3bd1a246548115e75ba0ede7f2
Reviewed-on: https://dawn-review.googlesource.com/c/2302
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Dan Sinclair <dsinclair@google.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
diff --git a/BUILD.gn b/BUILD.gn
index 891c909..12efda6 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1030,4 +1030,18 @@
":dawn_spirv_cross_fuzzer_common",
]
}
+
+ fuzzer_test("dawn_wire_server_and_frontend_fuzzer") {
+ sources = [
+ "src/fuzzers/DawnWireServerAndFrontendFuzzer.cpp",
+ ]
+
+ deps = [
+ ":libdawn",
+ ":libdawn_native",
+ ":libdawn_wire",
+ ]
+
+ additional_configs = [ ":dawn_shared_library_public" ]
+ }
}
diff --git a/src/fuzzers/DawnWireServerAndFrontendFuzzer.cpp b/src/fuzzers/DawnWireServerAndFrontendFuzzer.cpp
new file mode 100644
index 0000000..b08e1d1
--- /dev/null
+++ b/src/fuzzers/DawnWireServerAndFrontendFuzzer.cpp
@@ -0,0 +1,51 @@
+// Copyright 2018 The Dawn Authors
+//
+// 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 "dawn/dawncpp.h"
+#include "dawn_native/DawnNative.h"
+#include "dawn_native/NullBackend.h"
+#include "dawn_wire/Wire.h"
+
+#include <vector>
+
+class DevNull : public dawn_wire::CommandSerializer {
+ public:
+ void* GetCmdSpace(size_t size) override {
+ if (size > buf.size()) {
+ buf.resize(size);
+ }
+ return buf.data();
+ }
+ bool Flush() override {
+ return true;
+ };
+
+ private:
+ std::vector<char> buf;
+};
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ dawnProcTable procs = dawn_native::GetProcs();
+ dawnSetProcs(&procs);
+
+ dawn::Device nullDevice = dawn_native::null::CreateDevice();
+
+ DevNull devNull;
+ std::unique_ptr<dawn_wire::CommandHandler> wireServer(
+ dawn_wire::NewServerCommandHandler(nullDevice.Get(), procs, &devNull));
+
+ wireServer->HandleCommands(reinterpret_cast<const char*>(data), size);
+
+ return 0;
+}
