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| author | Kurt Roeckx <kurt@roeckx.be> | 2016-12-15 20:06:51 +0100 |
|---|---|---|
| committer | Kurt Roeckx <kurt@roeckx.be> | 2016-12-16 01:08:22 +0100 |
| commit | e104d01debba258ceed728ddf84d8cb3ef655d85 (patch) | |
| tree | a7845ff191423783e19c896f53551d1d41a74e82 /fuzz | |
| parent | 2fd54ebadfe2d1d1a001694552624636871003db (diff) | |
| download | openssl-new-e104d01debba258ceed728ddf84d8cb3ef655d85.tar.gz | |
Document the recommended parameters for fuzzing
We use those parameters for calculating the coverage.
Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #2088
Diffstat (limited to 'fuzz')
| -rw-r--r-- | fuzz/README.md | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fuzz/README.md b/fuzz/README.md index 69c388121b..e0d2eb68fb 100644 --- a/fuzz/README.md +++ b/fuzz/README.md @@ -40,7 +40,10 @@ Configure for fuzzing: --with-fuzzer-lib=../../svn-work/Fuzzer/libFuzzer \ -DPEDANTIC enable-asan enable-ubsan no-shared \ -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION \ - -fsanitize-coverage=edge,indirect-calls,8bit-counters + -fsanitize-coverage=edge,indirect-calls,8bit-counters \ + enable-ec_nistp_64_gcc_128 -fno-sanitize=alignment enable-tls1_3 \ + enable-weak-ssl-ciphers enable-rc5 enable-md2 \ + enable-ssl3 enable-ssl3-method enable-nextprotoneg $ sudo apt-get install make $ LDCMD=clang++ make -j $ fuzz/helper.py $FUZZER @@ -58,9 +61,14 @@ AFL Configure for fuzzing: $ sudo apt-get install afl-clang - $ CC=afl-clang-fast ./config enable-fuzz-afl no-shared + $ CC=afl-clang-fast ./config enable-fuzz-afl no-shared -DPEDANTIC \ + enable-tls1_3 enable-weak-ssl-ciphers enable-rc5 enable-md2 \ + enable-ssl3 enable-ssl3-method enable-nextprotoneg \ + enable-ec_nistp_64_gcc_128 $ make +The following options can also be enabled: enable-asan, enable-ubsan, enable-msan + Run one of the fuzzers: $ afl-fuzz -i fuzz/corpora/$FUZZER -o fuzz/corpora/$FUZZER/out fuzz/$FUZZER |