BuzzHouse's Grammar Drifts: How a Fuzzer Stops Repeating Itself
BuzzHouse’s query grammar uses bounded, drifting probability intervals plus depth/width budgets so the fuzzer keeps producing new query shapes instead of repeating itself.
Testing
ClickHouse Fuzzes Itself with Oracles: Two Runs, One MD5
BuzzHouse pairs every random query with an oracle query and compares the two result files by MD5 to catch wrong answers, not just crashes.