mirror of https://github.com/google/oss-fuzz.git
40 lines
1.8 KiB
Bash
40 lines
1.8 KiB
Bash
|
#!/bin/bash -eu
|
||
|
|
# Copyright 2022 Google LLC
|
||
|
|
#
|
||
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
# you may not use this file except in compliance with the License.
|
||
|
|
# You may obtain a copy of the License at
|
||
|
|
#
|
||
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
#
|
||
|
|
# Unless required by applicable law or agreed to in writing, software
|
||
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
# See the License for the specific language governing permissions and
|
||
|
|
# limitations under the License.
|
||
|
|
|
||
|
|
fuzzer=coverage_atheris_fuzzer.py
|
||
|
|
fuzzer_basename=$(basename -s .py $fuzzer)
|
||
|
|
fuzzer_package=${fuzzer_basename}.pkg
|
||
|
|
|
||
|
|
# To avoid issues with Python version conflicts, or changes in environment
|
||
|
|
# over time on the OSS-Fuzz bots, we use pyinstaller to create a standalone
|
||
|
|
# package. Though not necessarily required for reproducing issues, this is
|
||
|
|
# required to keep fuzzers working properly in OSS-Fuzz.
|
||
|
|
pyinstaller --distpath $OUT --onefile --name $fuzzer_package $fuzzer
|
||
|
|
|
||
|
|
# Create execution wrapper. Atheris requires that certain libraries are
|
||
|
|
# preloaded, so this is also done here to ensure compatibility and simplify
|
||
|
|
# test case reproduction. Since this helper script is what OSS-Fuzz will
|
||
|
|
# actually execute, it is also always required.
|
||
|
|
# NOTE: If you are fuzzing python-only code and do not have native C/C++
|
||
|
|
# extensions, then remove the LD_PRELOAD line below as preloading sanitizer
|
||
|
|
# library is not required and can lead to unexpected startup crashes.
|
||
|
|
echo "#!/bin/sh
|
||
|
|
# LLVMFuzzerTestOneInput for fuzzer detection.
|
||
|
|
this_dir=\$(dirname \"\$0\")
|
||
|
|
LD_PRELOAD=\$this_dir/sanitizer_with_fuzzer.so \
|
||
|
|
ASAN_OPTIONS=\$ASAN_OPTIONS:symbolize=1:external_symbolizer_path=\$this_dir/llvm-symbolizer:detect_leaks=0 \
|
||
|
|
\$this_dir/$fuzzer_package \$@" > $OUT/$fuzzer_basename
|
||
|
|
chmod +x $OUT/$fuzzer_basename
|