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Add WebGPU specific fuzzer for validation (#2628)

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Fixes #2627
This commit is contained in:
Ryan Harrison 2019-05-28 11:51:52 -07:00 committed by GitHub
parent 5a06fa4661
commit f051812343
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 51 additions and 0 deletions
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15
test/fuzzers/BUILD.gn
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@ -40,6 +40,7 @@ if (!build_with_chromium || use_fuzzing_engine) {
":spvtools_opt_webgputovulkan_fuzzer",
":spvtools_opt_vulkantowebgpu_fuzzer",
":spvtools_val_fuzzer",
":spvtools_val_webgpu_fuzzer",
]
}
}
@ -108,6 +109,12 @@ spvtools_fuzzer("spvtools_val_fuzzer_src") {
]
}
spvtools_fuzzer("spvtools_val_webgpu_fuzzer_src") {
sources = [
"spvtools_val_webgpu_fuzzer.cpp",
]
}
if (!build_with_chromium || use_fuzzing_engine) {
fuzzer_test("spvtools_binary_parser_fuzzer") {
sources = []
@ -165,4 +172,12 @@ if (!build_with_chromium || use_fuzzing_engine) {
]
seed_corpus = "corpora/spv"
}
fuzzer_test("spvtools_val_webgpu_fuzzer") {
sources = []
deps = [
":spvtools_val_webgpu_fuzzer_src",
]
seed_corpus = "corpora/spv"
}
}

36
test/fuzzers/spvtools_val_webgpu_fuzzer.cpp Normal file
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@ -0,0 +1,36 @@
// Copyright (c) 2019 Google Inc.
//
// 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 <cstdint>
#include <vector>
#include "spirv-tools/libspirv.hpp"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
spvtools::SpirvTools tools(SPV_ENV_WEBGPU_0);
tools.SetMessageConsumer([](spv_message_level_t, const char*,
const spv_position_t&, const char*) {});
std::vector<uint32_t> input;
input.resize(size >> 2);
size_t count = 0;
for (size_t i = 0; (i + 3) < size; i += 4) {
input[count++] = data[i] | (data[i + 1] << 8) | (data[i + 2] << 16) |
(data[i + 3]) << 24;
}
tools.Validate(input);
return 0;
}