Google's American Fuzzy Lop is a brute-force fuzzer coupled with an exceedingly simple but rock-solid instrumentation-guided genetic algorithm. afl++ is a superior fork to Google's afl. It has more speed, more and better mutations, more and better instrumentation, custom module support, etc.
4a0b42a62272c8f07cfba8f5f2fc43a5c072a30d0dbee47732bb2f06ecd7e44f