1#!/bin/sh -eu 2 3# First step: In the top directory execute 4# export CC=clang-5.0 5# export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp" 6# ./configure --enable-static --disable-gtk-doc --enable-runtime=libidn2 --enable-builtin=libidn2 7# make clean 8# make -j$(nproc) LIB_FUZZING_ENGINE="-lFuzzer" 9# cd fuzz 10# make -j$(nproc) check 11 12# 13# Read the docs at https://github.com/google/oss-fuzz/blob/master/docs/corpora.md 14# then install 'google-cloud-sdk' and execute 'gcloud init'. 15# Now 'gsutil' should be ready to use. 16 17if test -z "$1"; then 18 echo "Usage: $0 <fuzzer target>" 19 echo "Example: $0 libpsl_fuzzer" 20 exit 1 21fi 22 23fuzzer=$1 24project=$(echo $1 | cut -d'_' -f1) 25 26# sync/copy the OSS-Fuzz corpora into the .new directory 27mkdir -p ${fuzzer}.new 28cp -p ${fuzzer}.in/* ${fuzzer}.new 29gsutil -m rsync gs://${project}-corpus.clusterfuzz-external.appspot.com/libFuzzer/${fuzzer} ${fuzzer}.new 30 31# create fuzzer target 32BUILD_ONLY=1 ./run-clang.sh ${fuzzer} 33 34# merge the corpora into the .in directory 35./${fuzzer} -merge=1 ${fuzzer}.in ${fuzzer}.new 36 37# now clear .new dir and put all corpora there 38rm -f ${fuzzer}.new/* 39mv ${fuzzer}.in/* ${fuzzer}.new 40 41# now merge again (optimizes number of corpora) 42./${fuzzer} -merge=1 ${fuzzer}.in ${fuzzer}.new 43 44echo 45echo "If new files have been added, 'git add' and 'git commit' them." 46