ClickHouse/docker/test/libfuzzer/run_libfuzzer.py

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#!/usr/bin/env python3
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import configparser
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import logging
import os
from pathlib import Path
import subprocess
DEBUGGER = os.getenv("DEBUGGER", "")
FUZZER_ARGS = os.getenv("FUZZER_ARGS", "")
def run_fuzzer(fuzzer: str):
logging.info(f"Running fuzzer {fuzzer}...")
corpus_dir = f"{fuzzer}.in"
with Path(corpus_dir) as path:
if not path.exists() or not path.is_dir():
corpus_dir = ""
options_file = f"{fuzzer}.options"
custom_libfuzzer_options = ""
with Path(options_file) as path:
if path.exists() and path.is_file():
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parser = configparser.ConfigParser()
parser.read(path)
if parser.has_section("asan"):
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os.environ[
"ASAN_OPTIONS"
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] = f"{os.environ['ASAN_OPTIONS']}:{':'.join('%s=%s' % (key, value) for key, value in parser['asan'].items())}"
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if parser.has_section("msan"):
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os.environ[
"MSAN_OPTIONS"
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] = f"{os.environ['MSAN_OPTIONS']}:{':'.join('%s=%s' % (key, value) for key, value in parser['msan'].items())}"
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if parser.has_section("ubsan"):
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os.environ[
"UBSAN_OPTIONS"
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] = f"{os.environ['UBSAN_OPTIONS']}:{':'.join('%s=%s' % (key, value) for key, value in parser['ubsan'].items())}"
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if parser.has_section("libfuzzer"):
custom_libfuzzer_options = " ".join(
"-%s=%s" % (key, value)
for key, value in parser["libfuzzer"].items()
)
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cmd_line = f"{DEBUGGER} ./{fuzzer} {FUZZER_ARGS} {corpus_dir}"
if custom_libfuzzer_options:
cmd_line += f" {custom_libfuzzer_options}"
if not "-dict=" in cmd_line and Path(f"{fuzzer}.dict").exists():
cmd_line += f" -dict={fuzzer}.dict"
cmd_line += " < /dev/null"
logging.info(f"...will execute: {cmd_line}")
subprocess.check_call(cmd_line, shell=True)
def main():
logging.basicConfig(level=logging.INFO)
subprocess.check_call("ls -al", shell=True)
with Path() as current:
for fuzzer in current.iterdir():
if (current / fuzzer).is_file() and os.access(current / fuzzer, os.X_OK):
run_fuzzer(fuzzer)
exit(0)
if __name__ == "__main__":
main()