AFL++: Combining Incremental Steps of Fuzzing Research Andrea Fioraldi†, Dominik Maier‡, Heiko Eißfeldt, Marc Heuse§ {andrea, dominik, heiko, marc}@aflplus.plus †Sapienza University of Rome, ‡TU Berlin, §The Hacker’s Choice Abstract In this paper, we present AFL++, a community-driven open- source tool that incorporates state-of-the-art fuzzing research,