Assertion `0' failed in add_to_locked_mutex upon shutdown or DROP TABLE

CREATE TABLE t1 (a INT) ENGINE=Aria;

CREATE VIEW v1 AS SELECT * FROM t1;

CREATE TABLE t2 (b INT) ENGINE=Aria;

CREATE TABLE t3 (a INT);

LOCK TABLES t1 WRITE CONCURRENT, v1 WRITE, t2 WRITE CONCURRENT;

--error ER_BAD_FIELD_ERROR

ALTER TABLE t1 CHANGE x xx INT;

--connect (con1,localhost,root,,test)

REPLACE INTO t3 VALUES (NULL);

--connection default

--error ER_TABLE_NOT_LOCKED_FOR_WRITE

FLUSH TABLES;

DELETE FROM t1;

2020-02-17 21:45:51 140619617933056 [Note] /data/bld/10.2-debug-nightly/bin/mysqld (initiated by: root[root] @ localhost [127.0.0.1]): Normal shutdown

2020-02-17 21:45:51 140619617933056 [Note] Event Scheduler: Purging the queue. 0 events

mysqld: /data/src/10.2/mysys/thr_mutex.c:747: add_to_locked_mutex: Assertion `0' failed.

200217 21:45:51 [ERROR] mysqld got signal 6 ;

stdlib/abort.c:91(__GI_abort)[0x7fe49436b42a]

assert/assert.c:92(__assert_fail_base)[0x7fe494362e67]

/lib/x86_64-linux-gnu/libc.so.6(+0x2bf12)[0x7fe494362f12]

mysys/thr_mutex.c:749(add_to_locked_mutex)[0x562c1ea5fd2c]

mysys/thr_mutex.c:723(add_used_to_locked_mutex)[0x562c1ea5fc30]

mysys/thr_mutex.c:387(safe_mutex_lock)[0x562c1ea5efc0]

psi/mysql_thread.h:673(inline_mysql_mutex_lock)[0x562c1e925920]

maria/ma_close.c:68(maria_close)[0x562c1e925dfd]

maria/ha_maria.cc:1278(ha_maria::close())[0x562c1e8a1ed4]

sql/handler.cc:2650(handler::ha_close())[0x562c1e317853]

sql/table.cc:3490(closefrm(TABLE*))[0x562c1e19b2a6]

sql/table_cache.cc:223(intern_close_table(TABLE*))[0x562c1e288d67]

sql/table_cache.cc:334(tc_purge(bool))[0x562c1e28918b]

sql/sql_base.cc:376(close_cached_tables(THD*, TABLE_LIST*, bool, unsigned long))[0x562c1e01d5ed]

sql/table_cache.cc:648(tdc_start_shutdown())[0x562c1e28a20c]

sql/mysqld.cc:2225(clean_up(bool))[0x562c1df9be5c]

sql/mysqld.cc:2100(unireg_end())[0x562c1df9b95c]

sql/mysqld.cc:2026(kill_server(void*))[0x562c1df9b856]

sql/mysqld.cc:2051(kill_server_thread)[0x562c1df9b898]

perfschema/pfs.cc:1871(pfs_spawn_thread)[0x562c1e9fd6de]

nptl/pthread_create.c:456(start_thread)[0x7fe4962eb4a4]

x86_64/clone.S:99(clone)[0x7fe49441fd0f]

CREATE TABLE t1 (a INT) ENGINE=Aria;

CREATE VIEW v1 AS SELECT * FROM t1;

CREATE TABLE t2 (b INT) ENGINE=Aria;

CREATE TABLE t3 (a INT);

LOCK TABLES t1 WRITE CONCURRENT, v1 WRITE, t2 WRITE CONCURRENT;

--error ER_BAD_FIELD_ERROR

ALTER TABLE t1 CHANGE x xx INT;

--connect (con1,localhost,root,,test)

REPLACE INTO t3 VALUES (NULL);

--connection default

--error ER_TABLE_NOT_LOCKED_FOR_WRITE

FLUSH TABLES;

DELETE FROM t1;

# Cleanup

UNLOCK TABLES;

--disconnect con1

DROP VIEW v1;

DROP TABLE t1, t2, t3;

mysqld: /data/src/10.2/mysys/thr_mutex.c:747: add_to_locked_mutex: Assertion `0' failed.

200217 21:48:51 [ERROR] mysqld got signal 6 ;

linux/raise.c:51(__GI_raise)[0x7f5db397cfff]

stdlib/abort.c:91(__GI_abort)[0x7f5db397e42a]

assert/assert.c:92(__assert_fail_base)[0x7f5db3975e67]

/lib/x86_64-linux-gnu/libc.so.6(+0x2bf12)[0x7f5db3975f12]

mysys/thr_mutex.c:749(add_to_locked_mutex)[0x55d52ade3d2c]

mysys/thr_mutex.c:723(add_used_to_locked_mutex)[0x55d52ade3c30]

mysys/thr_mutex.c:387(safe_mutex_lock)[0x55d52ade2fc0]

psi/mysql_thread.h:673(inline_mysql_mutex_lock)[0x55d52aca9920]

maria/ma_close.c:68(maria_close)[0x55d52aca9dfd]

maria/ha_maria.cc:1278(ha_maria::close())[0x55d52ac25ed4]

sql/handler.cc:2650(handler::ha_close())[0x55d52a69b853]

sql/table.cc:3490(closefrm(TABLE*))[0x55d52a51f2a6]

sql/table_cache.cc:223(intern_close_table(TABLE*))[0x55d52a60cd67]

sql/table_cache.cc:1131(tdc_remove_table(THD*, enum_tdc_remove_table_type, char const*, char const*, bool))[0x55d52a60f7fa]

sql/sql_table.cc:2440(mysql_rm_table_no_locks(THD*, TABLE_LIST*, bool, bool, bool, bool, bool))[0x55d52a4db229]

sql/sql_table.cc:2089(mysql_rm_table(THD*, TABLE_LIST*, char, char))[0x55d52a4da5f5]

sql/sql_parse.cc:4505(mysql_execute_command(THD*))[0x55d52a41985b]

sql/sql_parse.cc:7739(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55d52a423bea]

sql/sql_parse.cc:1833(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55d52a411f43]

sql/sql_parse.cc:1384(do_command(THD*))[0x55d52a410897]

sql/sql_connect.cc:1336(do_handle_one_connection(CONNECT*))[0x55d52a5658d3]

sql/sql_connect.cc:1242(handle_one_connection)[0x55d52a56563e]

perfschema/pfs.cc:1871(pfs_spawn_thread)[0x55d52ad816de]

nptl/pthread_create.c:456(start_thread)[0x7f5db58fe4a4]

x86_64/clone.S:99(clone)[0x7f5db3a32d0f]

Trying to get some variables.

Some pointers may be invalid and cause the dump to abort.

Query (0x7f5d9c012448): DROP TABLE t1, t2, t3

Connection ID (thread ID): 4

Status: NOT_KILLED