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> Rust’s implementation of LibFuzzer,

Would that be the LLVM one wrapped in some rust API? From the last month or so accidentally rabbit holed by fuzz testing I am really liking the LLVM one but have a vague sense that I should probably try AFL++ as well.

The paper suggests it was a java implementation distinct from those two. The approach of turning the bytestring into a program is good, worth looking at the IR fuzzer in the LLVM suite - this looks like a fair reference for it https://arxiv.org/abs/2402.05256



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