#!/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 atheris import sys with atheris.instrument_imports(): import sqlalchemy from sqlalchemy import create_engine, Table, Column, Integer, MetaData from sqlalchemy.sql import text from sqlalchemy.exc import SQLAlchemyError import sqlalchemy_jsonfield from sqlalchemy_jsonfield import JSONField @atheris.instrument_func def TestInput(data): fdp = atheris.FuzzedDataProvider(data) metadata = MetaData() fuzz_table = Table('fuzz_table', metadata, Column('id', Integer, primary_key=True), Column('Col1', JSONField(enforce_string=fdp.ConsumeBool(),enforce_unicode=fdp.ConsumeBool()) ) ) engine = create_engine('sqlite:///fuzz.db') metadata.create_all(engine) try: with engine.connect() as conn: conn.execute(text(fdp.ConsumeString(100))) except (SQLAlchemyError, UnicodeEncodeError) as e: pass except ValueError as e: if "the query contains a null character" not in str(e): raise e def main(): atheris.Setup(sys.argv, TestInput, enable_python_coverage=True) atheris.Fuzz() if __name__ == "__main__": main()