Fuzz the Block-Level Sequence Producer API #3437
Merged
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Adds external matchfinder registration to
FUZZ_setRandomParameters()
. This allows the fuzzers to catch 3/4 of the bugs from #3433. (The 4th bug is captured in zstreamtest.c). I ran the fuzzers overnight and did not find any new crashes, only timeouts and one OOM (these don't indicate real bugs in zstd).