aflpp

Multi-core fuzzer for C/C++ projects with advanced instrumentation and mutation strategies. AFL++ is a fork of the original AFL fuzzer that offers better fuzzing performance and more advanced features while maintaining stability. A major benefit over libFuzzer is that AFL++ has stable support for running fuzzing campaigns on multiple cores, making it ideal for large-scale fuzzing efforts. Choose AFL++ when: Compile and run: AFL++ has many dependencies including LLVM, Python, and Rust. We recommend using a current Debian or Ubuntu distribution for fuzzing with AFL++. Prior to installing afl++, check the clang version dependency of the packge with apt-cache show afl++ , and install the matching lld version (e.g., lld-17 ). Refer to the Dockerfile for Ubuntu version requirements and dependencies. Set LLVM_CONFIG to specify Clang version (e.g., llvm-config-18 ).