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Diffstat (limited to 'devel/fuzz/README.md')
| -rw-r--r-- | devel/fuzz/README.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/devel/fuzz/README.md b/devel/fuzz/README.md index 29668d2708..2961532810 100644 --- a/devel/fuzz/README.md +++ b/devel/fuzz/README.md @@ -8,3 +8,27 @@ assume they are fuzzers it should run. The initial values for each parser fuzzer are taken from the $NAME.in directory. + +# Reproducing a specific issue + +Assuming an issue on the "gnutls_pkcs7_parser_fuzzer" was found, and the +reproducer is placed in $FILE, to reproduce locally use the following commands +on top dir: + +``` +$ CFLAGS="-fsanitize=address -g -O2" ./configure +$ make -j$(nproc) +$ cd devel/fuzz +$ make gnutls_pkcs7_parser_fuzzer +$ ./gnutls_pkcs7_parser_fuzzer <$FILE +``` + +Alternatively (if local reproduction is not possible), you can reproduce it +using the original docker instance used to find the issue as follows. + +``` +sudo docker run --rm -e ASAN_OPTIONS="detect_leaks=0" -ti -v $FILE:/testcase ossfuzz/gnutls reproduce gnutls_pkcs7_parser_fuzzer +``` + + + |