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diff --git a/fuzz/README.rst b/fuzz/README.rst new file mode 100644 index 0000000..54ae832 --- /dev/null +++ b/fuzz/README.rst @@ -0,0 +1,33 @@ +Fuzzer +====== + +This directory contains fuzzer target mainly written to integrate +nghttp2 into `oss-fuzz <https://github.com/google/oss-fuzz>`_. + +fuzz_target.cc contains an entry point of fuzzer. corpus directory +contains initial data for fuzzer. + +The file name of initial data under corpus is the lower-cased hex +string of SHA-256 hash of its own content. + +corpus/h2spec contains input data which was recorded when we ran +`h2spec <https://github.com/summerwind/h2spec>`_ against nghttpd. + +corpus/nghttp contains input data which was recorded when we ran +nghttp against nghttpd with some varying command line options of +nghttp. + + +To build fuzz_target.cc, make sure that libnghttp2 is built with +following compiler/linker flags: + +.. code-block:: text + + CPPFLAGS="-fsanitize-coverage=edge -fsanitize=address" + LDFLAGS="-fsanitize-coverage=edge -fsanitize=address" + +Then, fuzz_target.cc can be built using the following command: + +.. code-block:: text + + $ clang++ -fsanitize-coverage=edge -fsanitize=address -I../lib/includes -std=c++11 fuzz_target.cc ../lib/.libs/libnghttp2.a /usr/lib/llvm-3.9/lib/libFuzzer.a -o nghttp2_fuzzer |