tidb:fuzzNewHexLiteral: Null-dereference READ in pthread_create

Detailed Report: https://oss-fuzz.com/testcase?key=4884867227713536 Project: tidb Fuzzing Engine: libFuzzer Fuzz Target: fuzzNewHexLiteral Job Type: libfuzzerasantidb Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: pthreadcreate cgotrypthreadcreate...