go-fuzz is a fuzzer for Go:
https://github.com/dvyukov/go-fuzz

Since oss-fuzz aimed at supporting multiple fuzzers, go-fuzz support should be possible and would be useful.

go-fuzz contains 70 fuzzers for Go std lib and other popular packages but there is no story for continous running:
https://github.com/dvyukov/go-fuzz/tree/master/examples