test/fuzzing/README.md

   1 To build the fuzzers with libFuzzer to perform actual fuzzing, build with:
   2
   3 ```shell
   4 CXX=clang++ CXXFLAGS="-fsanitize=address,fuzzer-no-link" meson fuzzbuild --default-library=static -Dfuzzer_ldflags="-fsanitize=address,fuzzer"
   5
   6 ninja -Cfuzzbuild
   7 ```
   8
   9 Then, run the fuzzer like this:
  10
  11 fuzzbuild/test/fuzzing/hb-{shape,draw,subset,set}-fuzzer [-max_len=2048] [CORPUS_DIR]
  12
  13 Where max_len specifies the maximal length of font files to handle.
  14 The smaller the faster.
  15
  16 For more details consult the following locations:
  17   - http://llvm.org/docs/LibFuzzer.html