oss-fuzz/projects/sqlalchemy/sqlalchemy_fuzzer.py

53 lines
1.5 KiB
Python

#!/usr/bin/python3
# Copyright 2021 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
with atheris.instrument_imports():
import sqlalchemy
from sqlalchemy import create_engine
from sqlalchemy import Table, Column, Integer, String, MetaData
from sqlalchemy.sql import text
@atheris.instrument_func
def TestOneInput(input_bytes):
try:
sql_string = input_bytes.decode("utf-8")
metadata = MetaData()
fuzz_table = Table('fuzz_table', metadata,
Column('id', Integer, primary_key=True),
Column('column1', String),
Column('column2', String),
)
engine = create_engine('sqlite:///fuzz.db')
metadata.create_all(engine)
statement = text(sql_string)
with engine.connect() as conn:
conn.execute(statement)
except Exception as e:
pass
def main():
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()