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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/fmt/test/fuzzing/README.md | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/fmt/test/fuzzing/README.md')
-rw-r--r-- | src/fmt/test/fuzzing/README.md | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/fmt/test/fuzzing/README.md b/src/fmt/test/fuzzing/README.md new file mode 100644 index 000000000..bb3d0e04f --- /dev/null +++ b/src/fmt/test/fuzzing/README.md @@ -0,0 +1,25 @@ +# Running the fuzzers locally + +There is a [helper script](build.sh) 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 +```sh +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 +```sh +cd build +export UBSAN_OPTIONS=halt_on_error=1 +mkdir out_chrono +bin/fuzzer_chrono_duration out_chrono +``` |