oss-fuzz/projects/soupsieve/fuzz_closest.py

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#!/usr/bin/python3
# Copyright 2023 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 sys
import atheris
from bs4 import BeautifulSoup
import unittest
import soupsieve as sv
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
html_str = fdp.ConsumeUnicodeNoSurrogates(1024)
soupsieve_str = fdp.ConsumeUnicodeNoSurrogates(1024)
try:
the_soup = BeautifulSoup(html_str, 'html.parser')
except:
# We do not want to deal with any errors in BeautifulSoup
return
try:
elems = list(sv.select(soupsieve_str, the_soup))
for elem in elems:
sv.closest('div', elem)
except sv.SelectorSyntaxError:
pass
except RecursionError:
# Not interesting
# Fixes, e.g. https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54288
pass
except NotImplementedError:
# Not implemented
# Catches e.g. https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54276
pass
sv.purge()
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput)
atheris.Fuzz()
if __name__ == "__main__":
main()