go-coap:fuzz_unmarshal_data: Crash with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=6246853338267648 Project: go-coap Fuzzing Engine: libFuzzer Fuzz Target: fuzzunmarshaldata Job Type: libfuzzerasango-coap Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0xfffffffffffffff0 Crash State: NULL Sanitizer: address ASAN...