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fuzz/get_ossfuzz_corpora
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Tim Rühsen
Update fuzzing tools and build scripts
16 янв 2022, 14:59
16 янв 2022, 14:59
97f8ae5
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#!/bin/sh -eu # As a first step see README.md and follow the steps under "Running a fuzzer using clang". # You might need 'gsutil' to download new corpora from the Google cloud: # Read the docs at https://github.com/google/oss-fuzz/blob/master/docs/corpora.md # then install 'google-cloud-sdk' and execute 'gcloud init'. # Now 'gsutil' should be ready to use. if test -z "$1"; then echo "Usage: $0 <fuzzer target>" echo "Example: $0 libpsl_fuzzer" exit 1 fi if ! grep -q FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION Makefile; then echo "The fuzzers haven't been built for fuzzing (maybe for regression testing !?)" echo "Please built regarding README.md and try again." exit 1 fi fuzzer=$1 project=$(echo $1 | cut -d'_' -f1) # sync/copy the OSS-Fuzz corpora into the .new directory mkdir -p ${fuzzer}.in ${fuzzer}.new cp -fp ${fuzzer}.in/* ${fuzzer}.new 2>/dev/null || true gsutil cp $(gsutil ls gs://${project}-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/${fuzzer}|tail -n 1) ${fuzzer}.new/ (cd ${fuzzer}.new && unzip -o *.zip && mv *.zip ..) # create fuzzer target BUILD_ONLY=1 ./run-clang.sh ${fuzzer} # merge the corpora into the .in directory ./${fuzzer} -merge=1 ${fuzzer}.in ${fuzzer}.new # now clear .new dir and put all corpora there rm -rf ${fuzzer}.new mv ${fuzzer}.in ${fuzzer}.new mkdir ${fuzzer}.in # now merge again (optimizes number of corpora) ./${fuzzer} -merge=1 ${fuzzer}.in ${fuzzer}.new echo echo "If new files have been added, 'git add' and 'git commit' them."