There's a wrapper for CPython to get it to implement the tracing code, afl-python[1]. Alex Gaynor did a basic intro to it a few days ago which is a better write

There's a wrapper for CPython to get it to implement the tracing code, afl-python[1]. Alex Gaynor did a basic intro to it a few days ago which is a better write-up that the project itself has! Of course, this doesn't work so well with mixed C/Python code. [1]: https://bitbucket.org/jwilk/python-afl https://bitbucket.org/jwilk/python-afl [2]: https://alexgaynor.net/2015/apr/13/introduction-to-fuzzing-in-python-with-afl/ https://alexgaynor.net/2015/apr/13/introduction-to-fuzzing-i...