nss: Crash in fexpand

Project: https://hg.mozilla.org/projects/nss Detailed report: https://oss-fuzz.com/testcase?key=6677346901819392 Project: nss Fuzzer: libFuzzernsstls-server Fuzz target binary: tls-server Job Type: libfuzzerasannss Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x604000030000 Crash...