[Fuzzing] Add fuzzing harness for HTTP3Frame
#11128
Merged
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The
proxy/http3package isn't covered by fuzz tests at all currently. Since HTTP3 is interfaced directly with the user-agent, it's a prime attack target.This PR contributes a fuzzing setup for the
HTTP3Frameparser. In depends on the H3 tools to compile, so we've extendedoss-fuzz.shto run the existing utility script.