Lock wait timeout during CREATE TABLE AS SELECT FROM mysql.innodb_table_stats

MariaDB [test]> use test;

MariaDB [test]> create table t1 (a int, key(a)) engine=InnoDB;

MariaDB [test]> analyze table t1;

MariaDB [test]> create table t1_stat as SELECT *  FROM mysql.innodb_table_stats WHERE table_name='t1';

Query OK, 1 row affected, 1 warning (50.114 sec)

Records: 1  Duplicates: 0  Warnings: 1

MariaDB [test]> show warnings;

+---------+------+-----------------------------------------------------------------------+

| Level   | Code | Message                                                               |

+---------+------+-----------------------------------------------------------------------+

| Warning | 1088 | Error updating stats for table after table rebuild: Lock wait timeout |

+---------+------+-----------------------------------------------------------------------+

1 row in set (0.000 sec)