gnutls:gnutls_x509_crq_parser_fuzzer: Use-of-uninitialized-value in check_mgf1

Project: https://gitlab.com/gnutls/gnutls.git Detailed Report: https://oss-fuzz.com/testcase?key=5047673256214528 Project: gnutls Fuzzing Engine: libFuzzer Fuzz Target: gnutlsx509crqparserfuzzer Job Type: libfuzzermsangnutls Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address:...