oss-fuzz/infra/sanitizers/pysecsan/tests/poe/libvcs-cve-2022-21187/fuzz_libvcs.py

46 lines
1.3 KiB
Python

#!/usr/bin/python3
# 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.
"""Targets https://github.com/advisories/GHSA-mv2w-4jqc-6fg4."""
import sys
import atheris
import pysecsan
from libvcs.shortcuts import create_repo
pysecsan.add_hooks()
def test_one_input(data):
"""Target code injection in libvcs."""
fdp = atheris.FuzzedDataProvider(data)
mercurial_repo = create_repo(url=fdp.ConsumeUnicodeNoSurrogates(128),
vcs='hg',
repo_dir='./')
try:
mercurial_repo.update_repo()
except (ValueError, FileNotFoundError) as exception:
_ = exception # Satisfy lint
def main():
"""Set up and start fuzzing."""
atheris.instrument_all()
atheris.Setup(sys.argv, test_one_input, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == '__main__':
main()