From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/fmt/test/fuzzing/README.md | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/fmt/test/fuzzing/README.md (limited to 'src/fmt/test/fuzzing/README.md') 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 +``` -- cgit v1.2.3