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c73ebb8537
Before merging in the oss-fuzz corpora from Google, there are some changes to the fuzzer. - Add a read corpus script, to display corpus files nicely. - Change the behaviour of the fuzzer so that TLV parse failures all now go down the same execution paths, which should reduce the size of the corpora. - Make unknown TLVs a failure to parse, which should decrease the size of the corpora as well. Closes #1881
Fuzz tests ========== The goal is to add tests for *ALL* protocols supported in libcurl. Building the fuzz target ======================== From the CURL root directory: export CC=clang-5.0 export CXX=clang++-5.0 export CFLAGS="-fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp" export CXXFLAGS="-fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp -stdlib=libc++" ./configure --disable-shared --enable-debug --enable-maintainer-mode make -sj cd tests/fuzz (optional) export LIB_FUZZING_ENGINE=<path to libFuzzer.a> make check