pem:fuzz_pem: Segv on unknown address with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=4671327080349696 Project: pem Fuzzing Engine: libFuzzer Fuzz Target: fuzzpem Job Type: libfuzzerasanpem Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: NULL Sanitizer: address ASAN Crash Revision:...