Atheris
Atheris is a sophisticated coverage-guided fuzzing engine for Python, adept at testing both Python code and native CPython extensions. Built on libFuzzer, it excels in identifying vulnerabilities by leveraging Address Sanitizer and Undefined Behavior Sanitizer. Atheris supports multiple platforms and Python versions, ensuring seamless integration and effective bug detection.
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Top Atheris Features
- Coverage-guided fuzzing engine
- Supports native CPython extensions
- Instrumentation of Python bytecode
- Built-in libFuzzer integration
- Custom mutators for inputs
- Integration with coverage.py
- Experimental regex instrumentation
- Supports macOS and Linux
- Handles uncaught Python exceptions
- Custom crossover functions support
- Fuzzing without grammar requirements
- FuzzedDataProvider for input types
- OSS-Fuzz compatibility
- Detailed documentation available
- Easy installation via pip
- Python version range 3.6-3.11
- Instrument imports with context manager
- Advanced error reporting
- Supports Address Sanitizer integration.
