etcd:fuzz_kv_proxy: Crash with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=4525041667145728 Project: etcd Fuzzing Engine: libFuzzer Fuzz Target: fuzzkvproxy Job Type: libfuzzerasanetcd Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x00001dcf216a Crash State: NULL Sanitizer: address ASAN Recommended Security...