libFuzzer – a library for coverage-guided fuzz testing. — LLVM 22.0.0git documentation

libFuzzer – a library for coverage-guided fuzz testing.¶ Introduction¶ LibFuzzer is an in-process, coverage-guided, evolutionary fuzzing engine. LibFuzzer is linked with the library under test, and feeds fuzzed inputs to the library via a specific fuzzing entrypoint (aka “target function”); the fuzzer then tracks which areas of the code are reached, and generates mutations on the corpus of input d

[fcicq]

see also https://github.com/google/oss-fuzz. Note: enable other sanitizer with clang.