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Poul Sander |
2022-01-15 13:55 |
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# Running the fuzzers locally |
| f8deb5b9 |
Poul Sander |
2022-01-15 13:55 |
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Poul Sander |
2022-01-15 13:55 |
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There is a [helper script](build.sh) to build the fuzzers, which has only been |
| f8deb5b9 |
Poul Sander |
2022-01-15 13:55 |
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tested on Debian and Ubuntu linux so far. There should be no problems fuzzing on |
| f8deb5b9 |
Poul Sander |
2022-01-15 13:55 |
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Windows (using clang>=8) or on Mac, but the script will probably not work out of |
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Poul Sander |
2022-01-15 13:55 |
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the box. |
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Poul Sander |
2022-01-15 13:55 |
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|
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Poul Sander |
2022-01-15 13:55 |
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Something along |
| f8deb5b9 |
Poul Sander |
2022-01-15 13:55 |
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```sh |
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Poul Sander |
2022-01-15 13:55 |
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mkdir build |
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Poul Sander |
2022-01-15 13:55 |
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cd build |
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Poul Sander |
2022-01-15 13:55 |
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export CXX=clang++ |
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Poul Sander |
2022-01-15 13:55 |
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export CXXFLAGS="-fsanitize=fuzzer-no-link -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION= -g" |
| f8deb5b9 |
Poul Sander |
2022-01-15 13:55 |
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cmake .. -DFMT_SAFE_DURATION_CAST=On -DFMT_FUZZ=On -DFMT_FUZZ_LINKMAIN=Off -DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer" |
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Poul Sander |
2022-01-15 13:55 |
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cmake --build . |
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Poul Sander |
2022-01-15 13:55 |
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``` |
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Poul Sander |
2022-01-15 13:55 |
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should work to build the fuzzers for all platforms which clang supports. |
| f8deb5b9 |
Poul Sander |
2022-01-15 13:55 |
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|
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Poul Sander |
2022-01-15 13:55 |
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Execute a fuzzer with for instance |
| f8deb5b9 |
Poul Sander |
2022-01-15 13:55 |
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```sh |
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Poul Sander |
2022-01-15 13:55 |
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cd build |
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Poul Sander |
2022-01-15 13:55 |
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export UBSAN_OPTIONS=halt_on_error=1 |
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Poul Sander |
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mkdir out_chrono |
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Poul Sander |
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bin/fuzzer_chrono_duration out_chrono |
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Poul Sander |
2022-01-15 13:55 |
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``` |
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