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Commit | Line | Data |
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ff12a795 | 1 | #!/usr/bin/env bash |
db9ecf05 | 2 | # SPDX-License-Identifier: LGPL-2.1-or-later |
7db7d5b7 JR |
3 | |
4 | set -ex | |
5 | ||
6 | export LC_CTYPE=C.UTF-8 | |
7 | ||
36cd9913 ZJS |
8 | export CC=${CC:-clang} |
9 | export CXX=${CXX:-clang++} | |
10 | clang_version="$($CC --version | sed -nr 's/.*version ([^ ]+?) .*/\1/p' | sed -r 's/-$//')" | |
11 | ||
31e57a35 | 12 | SANITIZER=${SANITIZER:-address -fsanitize-address-use-after-scope} |
9c5c4677 | 13 | flags="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=$SANITIZER" |
31e57a35 | 14 | |
36cd9913 ZJS |
15 | clang_lib="/usr/lib64/clang/${clang_version}/lib/linux" |
16 | [ -d "$clang_lib" ] || clang_lib="/usr/lib/clang/${clang_version}/lib/linux" | |
17 | ||
31e57a35 JR |
18 | export CFLAGS=${CFLAGS:-$flags} |
19 | export CXXFLAGS=${CXXFLAGS:-$flags} | |
36cd9913 ZJS |
20 | export LDFLAGS=${LDFLAGS:--L${clang_lib}} |
21 | ||
31e57a35 JR |
22 | export WORK=${WORK:-$(pwd)} |
23 | export OUT=${OUT:-$(pwd)/out} | |
f7e0d22d | 24 | mkdir -p "$OUT" |
31e57a35 | 25 | |
f7e0d22d FS |
26 | build="$WORK/build" |
27 | rm -rf "$build" | |
28 | mkdir -p "$build" | |
7d941c06 | 29 | |
31e57a35 | 30 | if [ -z "$FUZZING_ENGINE" ]; then |
cc5549ca | 31 | fuzzflag="llvm-fuzz=true" |
1f034000 EV |
32 | else |
33 | fuzzflag="oss-fuzz=true" | |
2fd1beb3 EV |
34 | |
35 | apt-get update | |
36 | apt-get install -y gperf m4 gettext python3-pip \ | |
37 | libcap-dev libmount-dev libkmod-dev \ | |
4997d1b9 | 38 | pkg-config wget python3-jinja2 |
4b65fc87 EV |
39 | |
40 | # gnu-efi is installed here to enable -Dgnu-efi behind which fuzz-bcd | |
41 | # is hidden. It isn't linked against efi. It doesn't | |
42 | # even include "efi.h" because "bcd.c" can work in "unit test" mode | |
43 | # where it isn't necessary. | |
44 | apt-get install -y gnu-efi zstd | |
45 | ||
4997d1b9 EV |
46 | pip3 install -r .github/workflows/requirements.txt --require-hashes |
47 | ||
48 | # https://github.com/google/oss-fuzz/issues/6868 | |
49 | ORIG_PYTHONPATH=$(python3 -c 'import sys;print(":".join(sys.path[1:]))') | |
50 | export PYTHONPATH="$ORIG_PYTHONPATH:/usr/lib/python3/dist-packages/" | |
2fd1beb3 | 51 | |
1f034000 EV |
52 | if [[ "$SANITIZER" == undefined ]]; then |
53 | UBSAN_FLAGS="-fsanitize=pointer-overflow -fno-sanitize-recover=pointer-overflow" | |
54 | CFLAGS="$CFLAGS $UBSAN_FLAGS" | |
55 | CXXFLAGS="$CXXFLAGS $UBSAN_FLAGS" | |
56 | fi | |
31e57a35 JR |
57 | fi |
58 | ||
f7e0d22d FS |
59 | if ! meson "$build" "-D$fuzzflag" -Db_lundef=false; then |
60 | cat "$build/meson-logs/meson-log.txt" | |
77591e97 EV |
61 | exit 1 |
62 | fi | |
63 | ||
f7e0d22d | 64 | ninja -v -C "$build" fuzzers |
7db7d5b7 | 65 | |
4b65fc87 EV |
66 | # Compressed BCD files are kept in test/test-bcd so let's unpack them |
67 | # and put them all in the seed corpus. | |
68 | bcd=$(mktemp -d) | |
69 | for i in test/test-bcd/*.zst; do | |
70 | unzstd "$i" -o "$bcd/$(basename "${i%.zst}")"; | |
71 | done | |
72 | zip -jqr "$OUT/fuzz-bcd_seed_corpus.zip" "$bcd" | |
73 | rm -rf "$bcd" | |
74 | ||
93b575b2 ZJS |
75 | # The seed corpus is a separate flat archive for each fuzzer, |
76 | # with a fixed name ${fuzzer}_seed_corpus.zip. | |
77 | for d in "$(dirname "$0")/../test/fuzz/fuzz-"*; do | |
f7e0d22d | 78 | zip -jqr "$OUT/$(basename "$d")_seed_corpus.zip" "$d" |
2bd37c5b JR |
79 | done |
80 | ||
81 | # get fuzz-dns-packet corpus | |
f7e0d22d FS |
82 | df="$build/dns-fuzzing" |
83 | git clone --depth 1 https://github.com/CZ-NIC/dns-fuzzing "$df" | |
84 | zip -jqr "$OUT/fuzz-dns-packet_seed_corpus.zip" "$df/packet" | |
7db7d5b7 | 85 | |
4287c855 ZJS |
86 | install -Dt "$OUT/src/shared/" \ |
87 | "$build"/src/shared/libsystemd-shared-*.so \ | |
88 | "$build"/src/core/libsystemd-core-*.so | |
7db7d5b7 | 89 | |
f7e0d22d | 90 | wget -O "$OUT/fuzz-json.dict" https://raw.githubusercontent.com/rc0r/afl-fuzz/master/dictionaries/json.dict |
6315d12b | 91 | |
f7e0d22d FS |
92 | find "$build" -maxdepth 1 -type f -executable -name "fuzz-*" -exec mv {} "$OUT" \; |
93 | find src -type f -name "fuzz-*.dict" -exec cp {} "$OUT" \; | |
94 | cp src/fuzz/*.options "$OUT" |