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