Initial commit

fuzz/CMakeLists.txt

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+# Copyright 2020 The Tint 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.
+
+add_executable(tint_fuzz tint_fuzz.cc)
+target_link_libraries(tint_fuzz libtint)
+tint_default_compile_options(tint_fuzz)
+target_link_options(tint_fuzz PRIVATE
+  -fno-omit-frame-pointer
+  -fsanitize=fuzzer,address,undefined
+  -fsanitize-address-use-after-scope
+  -O1
+  -g
+)
+target_compile_options(tint_fuzz PRIVATE
+  -fsanitize=fuzzer,address,undefined
+  -Wno-missing-prototypes
+)
+

fuzz/tint_fuzz.cc

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+// Copyright 2020 The Tint 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 <string>
+
+#include "src/reader/wgsl/parser.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  std::string str(reinterpret_cast<const char*>(data), size);
+
+  tint::reader::wgsl::Parser parser(str);
+  parser.Parse();
+
+  return 0;
+}
+