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f3c3d2b935
This CL adds fuzzing support, in the form of GN logic, docs, and an example fuzzer. You can run this fuzzer with the following: $ pw_fuzzer/examples/build_and_run_toy_fuzzer.sh This is rather bare-bones at the moment. Additional features, like corpus and dictionary integration, more sanitizers, etc. are follow-on work. Change-Id: I7fb4d5ecbb59d1e9b69f4594db4222728b8da2f9
36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
// Copyright 2020 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://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, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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// When fuzzing is disabled, this test is compiled in place of the fuzzer
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// binary. It verifies the fuzzer can be built and linked, and that it will not
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// crash on known, fixed inputs.
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#include <cstddef>
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#include <cstdint>
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#include "gtest/gtest.h"
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#include "pw_log/log.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
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TEST(Fuzzer, EmptyInput) {
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PW_LOG_INFO("Fuzzing is disabled for the current platform and/or compiler.");
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PW_LOG_INFO("Executing the fuzz target function as a unit test instead.");
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uint8_t tmp = 0;
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EXPECT_EQ(LLVMFuzzerTestOneInput(&tmp, 0), 0);
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EXPECT_EQ(LLVMFuzzerTestOneInput(nullptr, 0), 0);
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}
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// TODO(pwbug/178): Add support for testing a seed corpus.
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