nss:mpi-sub: Crash with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=5390361039077376 Project: nss Fuzzing Engine: libFuzzer Fuzz Target: mpi-sub Job Type: libfuzzerasannss Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x7ff882566c10 Crash State: NULL Sanitizer: address ASAN Recommended Security...