Currently for fixed or variable byte parameters, OperationParamMutator can only fill with random bytes. Using repeated bytes biased toward INTERESTING_U8 values may help to find certain classes of bugs that trigger for all-zeroes or all-0xff bytes (e.g., CLN's funding_txid==0 assertion crash.
Currently for fixed or variable byte parameters,
OperationParamMutatorcan only fill with random bytes. Using repeated bytes biased towardINTERESTING_U8values may help to find certain classes of bugs that trigger for all-zeroes or all-0xffbytes (e.g., CLN's funding_txid==0 assertion crash.