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2038bf6183
fmt/test/fuzzing
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Victor Zverovich 2038bf6183 Update format_to usage
2021-07-13 07:56:24 -07:00
..
.gitignore
build.sh Add float fuzzer and cleanup 2020-10-14 20:13:09 -07:00
chrono-duration.cc Update format_to usage 2021-07-13 07:56:24 -07:00
CMakeLists.txt Add float fuzzer and cleanup 2020-10-14 20:13:09 -07:00
float.cc Fuzz fallback formatter 2020-11-03 19:34:35 -08:00
fuzzer-common.h Cleanup fuzzing 2020-10-13 09:08:04 -07:00
main.cc Cleanup fuzzing 2020-10-13 09:08:04 -07:00
named-arg.cc Add float fuzzer and cleanup 2020-10-14 20:13:09 -07:00
one-arg.cc Add float fuzzer and cleanup 2020-10-14 20:13:09 -07:00
README.md Cleanup 2020-10-11 10:13:42 -07:00
two-args.cc Cleanup fuzzing 2020-10-13 09:08:04 -07:00

README.md

Running the fuzzers locally

There is a helper script to build the fuzzers, which has only been tested on Debian and Ubuntu linux so far. There should be no problems fuzzing on Windows (using clang>=8) or on Mac, but the script will probably not work out of the box.

Something along

mkdir build
cd build
export CXX=clang++
export CXXFLAGS="-fsanitize=fuzzer-no-link -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION= -g"
cmake .. -DFMT_SAFE_DURATION_CAST=On -DFMT_FUZZ=On -DFMT_FUZZ_LINKMAIN=Off -DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer"
cmake --build .

should work to build the fuzzers for all platforms which clang supports.

Execute a fuzzer with for instance

cd build
export UBSAN_OPTIONS=halt_on_error=1
mkdir out_chrono
bin/fuzzer_chrono_duration out_chrono