afl++

Powerful fuzzing tool for finding bugs and vulnerabilities in software

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About

American Fuzzy Lop++

afl-fuzzafl-ccafl-clangafl-clang++afl-gccafl-g++afl-asafl-tminafl-analyze

Compile a target program with AFL instrumentation using afl-cc$ afl-cc -o target target.c

Start fuzzing with AFL++ using initial test cases$ afl-fuzz -i input_dir -o output_dir ./target

Minimize a crashing input to smaller test case$ afl-tmin -i crash_input -o minimized_crash -- ./target @@