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9eda5b373c
This adds the env option PX4_FUZZ which runs the LLVM libFuzzer which throws random bytes at mavlink_receiver using MAVLink messages over UDP. The MAVLink messages that are being sent are valid, so the CRC is calculated but the payload and msgid, etc. are generally garbage, unless the fuzzing gets a msgid right by chance. As I understand it, libFuzzer watches the test coverage and will try to execute as much of the code as possible.