oss-fuzz/projects/et-xmlfile/fuzz_write.py

52 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.
import os
import sys
import atheris
from io import BytesIO
try:
import lxml
except ImportError:
raise ImportError("lxml is required to run the tests.")
from et_xmlfile import xmlfile
def recursive_write(xf, fdp, level):
if level == 1:
xf.write(fdp.ConsumeUnicodeNoSurrogates(50))
else:
with xf.element(fdp.ConsumeUnicodeNoSurrogates(50)):
recursive_write(xf, fdp, level-1)
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
f2 = BytesIO()
# Call write on et_xmlfile 10 times.
with xmlfile(f2) as xf:
recursive_write(xf, fdp, 10)
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()