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json-c/fuzz
Chris Wolfe 088deea2cc
Merge 968bdd099d into f2fc1ca00a 		3 years ago
..
tests get the fuzzer built and running as part of Ctest 5 years ago
CMakeLists.txt set the right standard 5 years ago
README.md make independent test cases for each of the files in fuzz/test/* 5 years ago
build.sh Merge 968bdd099da343fd5112589590dc79e6c8f12f69 into f2fc1ca00a9f35aa67c987f45a4f86ae5ad22e57 3 years ago
standalone_runner.cc begin getting the fuzzers built as part of CI; add a runner making it possible to exercise them 5 years ago
tokener_parse_ex_fuzzer.cc Improve a bit the coverage of the fuzzer 3 years ago
tokener_parse_ex_fuzzer.dict pull in fuzzers, add CI scripts later 7 years ago

README.md

Fuzzers

This directory contains fuzzers that
target llvm's LibFuzzer. They are built
and run automatically by
Google's OSS-Fuzz infrastructure.

How do I test or run the fuzzers like oss-fuzz?

git clone https://github.com/google/oss-fuzz.git
cd oss-fuzz
python infra/helper.py build_image json-c
python infra/helper.py build_fuzzers --sanitizer address --engine libfuzzer --architecture x86_64 json-c
python infra/helper.py run_fuzzer json-c tokener_parse_ex_fuzzer

How do I add new unit or regression tests for the fuzzer?

The tests directory contains json files that can be used to either test the fuzzer itself or be used as regression tests. As long as the files end in .json, cmake will pick them up and generate a Ctest test case. If/when oss-fuzz finds a bug with a fuzzer, simply pull that test case into the ./tests directory and it will serve as a regression test.

Note - the fuzzers are not being run with sanitizers in this repository's CI at the moment; we're strictly building them here to ensure that they function.

How do I reproduce a failure form a fuzzer?

Use the steps detailed on OSS-fuzz.

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