Redis Find a runtime error: applying zero offset to null pointer whiling fuzzing the Redis

SOURCE: c->db = &server.db[id];

NOTE: server.db is NULL

STACK: db.c:393:14: runtime error: applying zero offset to null pointer #0 0x753ad6 in selectDb /root/ljie_workspace/Redis/build_asan/src/db.c:393:14 #1 0x890376 in createClient /root/ljie_workspace/Redis/build_asan/src/networking.c:108:5 #2 0xc7c28a in moduleInitModulesSystem /root/ljie_workspace/Redis/build_asan/src/module.c:5555:37 #3 0xc77e85 in main /root/ljie_workspace/Redis/build_asan/src/server.c:4925:5 SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-offset