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[nss-coverage] avoid extra build for cryptofuzz #537

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Oct 31, 2024
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[nss-coverage] avoid extra build for cryptofuzz #537

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72 changes: 30 additions & 42 deletions services/nss-coverage/launch-worker.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -70,11 +70,10 @@ function clone-corpus {
shift 2

mkdir -p corpus
cd corpus

pushd corpus
if [[ ! -d "$name" ]]; then
mkdir "$name"
cd "$name"
pushd "$name"

# There may be no OSS-Fuzz corpus yet for new fuzz targets
code=$(retry-curl --no-fail -w "%{http_code}" -O "$url")
Expand All @@ -85,10 +84,9 @@ function clone-corpus {
fi
rm public.zip

cd ..
popd
fi

cd ..
popd
}

function clone-nssfuzz-corpus {
Expand Down Expand Up @@ -164,11 +162,27 @@ done
total_targets=$(("${#targets[@]}" + "${#tls_targets[@]}"))
curr_target_n=1

# Build nss with tls fuzzing mode
update-ec2-status "[$(date -Iseconds)] building nss with tls fuzzing mode ($curr_target_n/$total_targets have run)"
pushd nss
time ./build.sh -c -v --fuzz=tls --disable-tests
popd

# For each nssfuzz target with tls fuzzing mode, clone corpus & run
for target in "${!tls_targets[@]}"; do
update-ec2-status "[$(date -Iseconds)] cloning corpus for $target ($curr_target_n/$total_targets)"
clone-nssfuzz-corpus "$target"

update-ec2-status "[$(date -Iseconds)] running $target ($curr_target_n/$total_targets)"
run-nssfuzz-target "$target" "$target"
((curr_target_n++))
done

# Build nss w/o tls fuzzing mode
update-ec2-status "[$(date -Iseconds)] building nss w/o tls fuzzing mode"
cd nss
pushd nss
time ./build.sh -c -v --fuzz --disable-tests
cd ..
popd

# For each nssfuzz target w/o tls fuzzing mode, clone corpus & run
for target in "${!targets[@]}"; do
Expand All @@ -185,54 +199,28 @@ for target in "${!targets[@]}"; do
((curr_target_n++))
done

# Build nss with tls fuzzing mode
update-ec2-status "[$(date -Iseconds)] building nss with tls fuzzing mode ($curr_target_n/$total_targets have run)"
cd nss
time ./build.sh -c -v --fuzz=tls --disable-tests
cd ..

# For each nssfuzz target with tls fuzzing mode, clone corpus & run
for target in "${!tls_targets[@]}"; do
update-ec2-status "[$(date -Iseconds)] cloning corpus for $target ($curr_target_n/$total_targets)"
clone-nssfuzz-corpus "$target"

update-ec2-status "[$(date -Iseconds)] running $target ($curr_target_n/$total_targets)"
run-nssfuzz-target "$target" "$target"
((curr_target_n++))
done

# Build nss for cryptofuzz
export CFLAGS="$CFLAGS -fsanitize=address,undefined,fuzzer-no-link"
export CXXFLAGS="$CXXFLAGS -fsanitize=address,undefined,fuzzer-no-link -DCRYPTOFUZZ_NO_OPENSSL -D_GLIBCXX_DEBUG"

update-ec2-status "[$(date -Iseconds)] building nss for cryptofuzz"
cd nss
time ./build.sh -c -v --fuzz --disable-tests
cd ..

# Generate cryptofuzz headers
cd cryptofuzz
pushd cryptofuzz
./gen_repository.py
cd ..

# Build cryptofuzz nss module
NSS_NSPR_PATH="$(realpath .)"

export NSS_NSPR_PATH
export CXXFLAGS="$CXXFLAGS -I $NSS_NSPR_PATH/dist/public/nss -I $NSS_NSPR_PATH/dist/Debug/include/nspr -DCRYPTOFUZZ_NSS"
export NSS_NSPR_PATH="$HOME"
export CFLAGS="$CFLAGS -fsanitize=address,undefined,fuzzer-no-link"
export CXXFLAGS="$CXXFLAGS -fsanitize=address,undefined,fuzzer-no-link"
export CXXFLAGS="$CXXFLAGS -I $NSS_NSPR_PATH/dist/public/nss -I $NSS_NSPR_PATH/dist/Debug/include/nspr -DCRYPTOFUZZ_NSS -DCRYPTOFUZZ_NO_OPENSSL"
export LINK_FLAGS="$LINK_FLAGS -lsqlite3"

update-ec2-status "[$(date -Iseconds)] building cryptofuzz nss module"
cd cryptofuzz/modules/nss
pushd modules/nss
time make -j"$(nproc)"
cd ../..
popd

# Build cryptofuzz
export LIBFUZZER_LINK="-fsanitize=fuzzer"

update-ec2-status "[$(date -Iseconds)] building cryptofuzz"
time make -j"$(nproc)"
cd ..
popd

# Clone cryptofuzz nss corpus
update-ec2-status "[$(date -Iseconds)] cloning cryptofuzz nss corpus"
Expand Down
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