62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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==============================================================================*/
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#include <fuzzer/FuzzedDataProvider.h>
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#include <cstdint>
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#include <cstdlib>
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#include "tensorflow/core/platform/stringprintf.h"
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// This is a fuzzer for tensorflow::strings::Printf
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namespace {
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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FuzzedDataProvider fuzzed_data(data, size);
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const char split = fuzzed_data.ConsumeIntegral<char>();
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const char split_a = split & 0x07;
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const char split_b = (split >> 3) & 0x07;
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const std::string ss[3] = {
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fuzzed_data.ConsumeBytesAsString(split_a),
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fuzzed_data.ConsumeBytesAsString(split_b),
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fuzzed_data.ConsumeRemainingBytesAsString(),
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};
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const std::string all = ss[0] + ss[1] + ss[2];
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int n[4] = {-1, -1, -1, -1};
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const std::string ret =
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tensorflow::strings::Printf("%n%s%n%s%n%s%n", &n[0], ss[0].c_str(), &n[1],
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ss[1].c_str(), &n[2], ss[2].c_str(), &n[3]);
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int size_so_far = 0;
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for (int i = 0; i < 3; i++) {
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assert(n[i] >= 0);
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assert(n[i] <= size_so_far);
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size_so_far += ss[i].size();
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}
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assert(n[3] >= 0);
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assert(n[3] <= size_so_far);
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assert(n[3] <= all.size());
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assert(n[3] <= size - 1);
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assert(ret.size() == n[3]);
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return 0;
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}
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} // namespace
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