atheris

Atheris is a coverage-guided fuzzer for Python and native CPython extensions, leveraging libFuzzer for efficient bug detection. It provides features such as bytecode instrumentation for enhanced coverage analysis, the ability to fuzz both Python code and native libraries, and integrates with sanitizers like Address Sanitizer for comprehensive bug identification. The tool is designed for Linux and macOS, supporting multiple Python versions and offering installation via pip or from source for advanced configurations.