faa86b71ac fuzz: Use ConsumeUInt256 helper to simplify rolling_bloom_filter fuzz test (MarcoFalke)
aaaa61fd30 fuzz: Speed up rolling_bloom_filter fuzz test (MarcoFalke)
Pull request description:
Without a size limit on the input data, the runtime is unbounded. Fix this by picking an upper bound on the maximum number of fuzz operations.
Reproducer from OSS-Fuzz (without bug report):
[clusterfuzz-testcase-rolling_bloom_filter-5980807721254912.log](https://github.com/bitcoin/bitcoin/files/6822159/clusterfuzz-testcase-rolling_bloom_filter-5980807721254912.log)
ACKs for top commit:
practicalswift:
cr ACK faa86b71ac
theStack:
Concept and code review ACK faa86b71ac
Tree-SHA512: eace588509dfddb2ba97baf86379fa713fa6eb758184abff676cb95807ff8ff36905eeaddeba05665b8464c35c57e2138f88caec71cbfb255e546bbe76558da0