mirror of https://github.com/google/oss-fuzz.git
72 lines
1.9 KiB
Python
72 lines
1.9 KiB
Python
#!/usr/bin/python3
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# Copyright 2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import atheris
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import sys
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with atheris.instrument_imports():
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import sqlalchemy
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from sqlalchemy import (
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create_engine,
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insert,
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Table,
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Column,
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Integer,
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String,
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MetaData
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)
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import sqlalchemy_utils as utils
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from sqlalchemy.sql import text
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from sqlalchemy.exc import SQLAlchemyError
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@atheris.instrument_func
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def TestInput(data):
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if len(data) < 10:
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pass
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fdp = atheris.FuzzedDataProvider(data)
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db_str = 'sqlite:///fuzz.db'
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metadata = MetaData()
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fuzz_table = Table('fuzz_table', metadata,
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Column('id', Integer, primary_key=True),
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Column('Col1', String))
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engine = create_engine(db_str)
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metadata.create_all(engine)
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if not utils.database_exists(db_str):
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utils.create_database(db_str)
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assert utils.database_exists(db_str)
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try:
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with engine.connect() as conn:
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conn.execute(text(fdp.ConsumeString(100)))
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except (SQLAlchemyError, UnicodeEncodeError) as e:
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pass
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except ValueError as e:
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if "the query contains a null character" not in str(e):
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raise e
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utils.drop_database(db_str)
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assert not utils.database_exists(db_str)
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def main():
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atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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