diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc index fdd9b107bf2..090546e5013 100644 --- a/sql/sql_acl.cc +++ b/sql/sql_acl.cc @@ -3999,7 +3999,8 @@ bool mysql_grant(THD *thd, const char *db, List &list, if (lower_case_table_names && db) { - strmov(tmp_db,db); + strnmov(tmp_db,db,NAME_LEN); + tmp_db[NAME_LEN]= '\0'; my_casedn_str(files_charset_info, tmp_db); db=tmp_db; }