icu:date_format_fuzzer: Stack-buffer-overflow in _canonicalize

Project: https://github.com/unicode-org/icu.git Detailed Report: https://oss-fuzz.com/testcase?key=5173052832808960 Project: icu Fuzzing Engine: libFuzzer Fuzz Target: dateformatfuzzer Job Type: libfuzzerasanicu Platform Id: linux Crash Type: Stack-buffer-overflow READ Crash Address: 0x7ffe8e5824...