mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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2d12367ced
Instead calculate a hash based on the input and use that as a seed into random data generation for the target env. Also fixes issue where input data was not actually being fed into one fuzzer. Fixes #4450
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright (c) 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <cstdint>
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#include <vector>
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#include "spirv-tools/libspirv.hpp"
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#include "test/fuzzers/random_generator.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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if (size < 1) {
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return 0;
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}
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spvtools::fuzzers::RandomGenerator random_gen(data, size);
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const spv_context context = spvContextCreate(random_gen.GetTargetEnv());
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if (context == nullptr) {
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return 0;
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}
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std::vector<uint32_t> input;
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input.resize(size >> 2);
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size_t count = 0;
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for (size_t i = 0; (i + 3) < size; i += 4) {
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input[count++] = data[i] | (data[i + 1] << 8) | (data[i + 2] << 16) |
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(data[i + 3]) << 24;
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}
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spvBinaryParse(context, nullptr, input.data(), input.size(), nullptr, nullptr,
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nullptr);
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spvContextDestroy(context);
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return 0;
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}
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