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Diffstat (limited to 'tools/oss-fuzz.sh')
-rwxr-xr-x | tools/oss-fuzz.sh | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tools/oss-fuzz.sh b/tools/oss-fuzz.sh new file mode 100755 index 0000000000..200407fcca --- /dev/null +++ b/tools/oss-fuzz.sh @@ -0,0 +1,51 @@ +#!/bin/bash +# SPDX-License-Identifier: LGPL-2.1+ + +set -ex + +export LC_CTYPE=C.UTF-8 + +export CC=${CC:-clang} +export CXX=${CXX:-clang++} +clang_version="$($CC --version | sed -nr 's/.*version ([^ ]+?) .*/\1/p' | sed -r 's/-$//')" + +SANITIZER=${SANITIZER:-address -fsanitize-address-use-after-scope} +flags="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=$SANITIZER -fsanitize-coverage=trace-pc-guard,trace-cmp" + +clang_lib="/usr/lib64/clang/${clang_version}/lib/linux" +[ -d "$clang_lib" ] || clang_lib="/usr/lib/clang/${clang_version}/lib/linux" + +export CFLAGS=${CFLAGS:-$flags} +export CXXFLAGS=${CXXFLAGS:-$flags} +export LDFLAGS=${LDFLAGS:--L${clang_lib}} + +export WORK=${WORK:-$(pwd)} +export OUT=${OUT:-$(pwd)/out} +mkdir -p $OUT + +build=$WORK/build +rm -rf $build +mkdir -p $build + +fuzzflag="oss-fuzz=true" +if [ -z "$FUZZING_ENGINE" ]; then + fuzzflag="llvm-fuzz=true" +fi + +meson $build -D$fuzzflag -Db_lundef=false +ninja -C $build fuzzers + +for d in "$(dirname "$0")/../test/fuzz-corpus/"*; do + zip -jqr $OUT/fuzz-$(basename "$d")_seed_corpus.zip "$d" +done + +# get fuzz-dns-packet corpus +df=$build/dns-fuzzing +git clone --depth 1 https://github.com/CZ-NIC/dns-fuzzing $df +zip -jqr $OUT/fuzz-dns-packet_seed_corpus.zip $df/packet + +# install the private shared library without executable permissions +install -Dt $OUT/src/shared/ -m 0644 $build/src/shared/libsystemd-shared-*.so + +find $build -maxdepth 1 -type f -executable -name "fuzz-*" -exec mv {} $OUT \; +cp src/fuzz/*.options $OUT |