oss-fuzz/projects/python-rison/fuzz_decode.py

48 lines
1.1 KiB
Python

#!/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 json
import atheris
import prison
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
val_to_use = fdp.ConsumeUnicodeNoSurrogates(32768)
# Ensure it's valid json.
try:
json.loads(val_to_use)
except:
return
try:
loaded = prison.loads(val_to_use)
except prison.decoder.ParserException:
pass
return
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput)
atheris.Fuzz()
if __name__ == "__main__":
main()