Assertion `lock_trx_has_sys_table_locks(trx) == 0' failed upon ALTER TABLE .. ADD FOREIGN KEY

--source include/have_innodb.inc

CREATE TABLE t5 (i1 int, v1 varchar(1), KEY v1 (v1,i1), FULLTEXT KEY v1_2 (v1)) ENGINE=InnoDB ;

ALTER TABLE t5 ADD FOREIGN KEY x (v1) REFERENCES t5 (vcol2) ;

 10.4 f545e3cfa9fcc6b706a6e0ee6f2af2124e514e18

10.4/storage/innobase/row/row0mysql.cc:3481: dberr_t row_drop_table_for_mysql(const char*, trx_t*, enum_sql_command, bool, bool): Assertion `lock_trx_has_sys_table_locks(trx) == 0' failed.

181012 11:06:31 [ERROR] mysqld got signal 6 ;

Server version: 10.4.0-MariaDB-debug-log

linux/raise.c:54(__GI_raise)[0x7fad04548428]

stdlib/abort.c:91(__GI_abort)[0x7fad0454a02a]

assert/assert.c:92(__assert_fail_base)[0x7fad04540bd7]

/lib/x86_64-linux-gnu/libc.so.6(+0x2dc82)[0x7fad04540c82]

row/row0mysql.cc:3484(row_drop_table_for_mysql(char const*, trx_t*, enum_sql_command, bool, bool))[0x555c100c01d6]

row/row0mysql.cc:2693(row_table_add_foreign_constraints(trx_t*, char const*, unsigned long, char const*, bool))[0x555c100bc626]

handler/ha_innodb.cc:12389(create_table_info_t::create_table(bool))[0x555c0fe3bfae]

handler/ha_innodb.cc:12585(ha_innobase::create(char const*, TABLE*, HA_CREATE_INFO*, bool, trx_t*))[0x555c0fe67a38]

handler/ha_innodb.cc:12632(ha_innobase::create(char const*, TABLE*, HA_CREATE_INFO*))[0x555c0fe3ce14]

sql/handler.cc:4595(handler::ha_create(char const*, TABLE*, HA_CREATE_INFO*))[0x555c0f6161d0]

sql/handler.cc:4969(ha_create_table(THD*, char const*, char const*, char const*, HA_CREATE_INFO*, st_mysql_const_unsigned_lex_string*))[0x555c0f618fef]

sql/sql_table.cc:9760(mysql_alter_table(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, unsigned int, st_order*, bool))[0x555c0f1395dd]

sql/sql_alter.cc:497(Sql_cmd_alter_table::execute(THD*))[0x555c0f277208]

sql/sql_parse.cc:6288(mysql_execute_command(THD*))[0x555c0ef30b73]

sql/sql_parse.cc:8087(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x555c0ef3b389]

sql/sql_parse.cc:1852(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x555c0ef1629b]

sql/sql_parse.cc:1395(do_command(THD*))[0x555c0ef13433]

sql/sql_connect.cc:1402(do_handle_one_connection(CONNECT*))[0x555c0f26869a]

sql/sql_connect.cc:1309(handle_one_connection)[0x555c0f268077]

perfschema/pfs.cc:1864(pfs_spawn_thread)[0x555c1057412b]

/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7fad051856ba]

x86_64/clone.S:111(clone)[0x7fad0461a41d]

Trying to get some variables.

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

Query (0x62b00007e288): ALTER TABLE t5 ADD FOREIGN KEY x (v1) REFERENCES t5 (vcol2)

Connection ID (thread ID): 9

Status: NOT_KILLED