Assertions failed in Diagnostics_area upon actions with transactional Aria table under parallel BACKUP STAGE BLOCK_COMMIT or FTWRL

CREATE TABLE t1 (a INT) ENGINE=Aria TRANSACTIONAL=1;

BACKUP STAGE START;

BACKUP STAGE BLOCK_COMMIT;

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

SET lock_wait_timeout= 1;

--error 0,ER_LOCK_WAIT_TIMEOUT

UPDATE t1 SET a = 1;

# Cleanup

--disconnect con1

--connection default

BACKUP STAGE END;

DROP TABLE t1;

mysqld: /data/src/10.4/sql/sql_error.cc:445: void Diagnostics_area::set_error_status(uint, const char*, const char*, const Sql_user_condition_identity&, const Sql_condition*): Assertion `! is_set() || m_can_overwrite_status' failed.

200728  2:35:56 [ERROR] mysqld got signal 6 ;

#7  0x00007f6bfc12ef12 in __GI___assert_fail (assertion=0x555ab4660d98 "! is_set() || m_can_overwrite_status", file=0x555ab4660c68 "/data/src/10.4/sql/sql_error.cc", line=445, function=0x555ab4661100 <Diagnostics_area::set_error_status(unsigned int, char const*, char const*, Sql_user_condition_identity const&, Sql_condition const*)::__PRETTY_FUNCTION__> "void Diagnostics_area::set_error_status(uint, const char*, const char*, const Sql_user_condition_identity&, const Sql_condition*)") at assert.c:101

#8  0x0000555ab391cd9c in Diagnostics_area::set_error_status (this=0x7f6bd80064d8, sql_errno=1205, message=0x7f6bf628c660 "Lock wait timeout exceeded; try restarting transaction", sqlstate=0x555ab468897d "HY000", ucid=..., error_condition=0x0) at /data/src/10.4/sql/sql_error.cc:445

#9  0x0000555ab38f7f27 in THD::raise_condition (this=0x7f6bd8000af0, sql_errno=1205, sqlstate=0x555ab468897d "HY000", level=Sql_state_errno_level::WARN_LEVEL_ERROR, ucid=..., msg=0x7f6bf628c660 "Lock wait timeout exceeded; try restarting transaction") at /data/src/10.4/sql/sql_class.cc:1100

#10 0x0000555ab383e184 in THD::raise_condition (this=0x7f6bd8000af0, sql_errno=1205, sqlstate=0x0, level=Sql_state_errno_level::WARN_LEVEL_ERROR, msg=0x7f6bf628c660 "Lock wait timeout exceeded; try restarting transaction") at /data/src/10.4/sql/sql_class.h:4372

#11 0x0000555ab3830e46 in my_message_sql (error=1205, str=0x7f6bf628c660 "Lock wait timeout exceeded; try restarting transaction", MyFlags=0) at /data/src/10.4/sql/mysqld.cc:3377

#12 0x0000555ab4555d6e in my_error (nr=1205, MyFlags=0) at /data/src/10.4/mysys/my_error.c:125

#13 0x0000555ab3b01d04 in MDL_context::acquire_lock (this=0x7f6bd8000c10, mdl_request=0x7f6bf628ca00, lock_wait_timeout=1) at /data/src/10.4/sql/mdl.cc:2365

#14 0x0000555ab3cc846f in ha_maria_implicit_commit (thd=0x7f6bd8000af0, new_trn=false) at /data/src/10.4/sql/handler.cc:144

#15 0x0000555ab3979e0d in mysql_execute_command (thd=0x7f6bd8000af0) at /data/src/10.4/sql/sql_parse.cc:6159

#16 0x0000555ab397ec91 in mysql_parse (thd=0x7f6bd8000af0, rawbuf=0x7f6bd8011dd8 "UPDATE t1 SET a = 1", length=19, parser_state=0x7f6bf628d570, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:7896

#17 0x0000555ab396b1c6 in dispatch_command (command=COM_QUERY, thd=0x7f6bd8000af0, packet=0x7f6bd80083a1 "UPDATE t1 SET a = 1", packet_length=19, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1835

#18 0x0000555ab3969968 in do_command (thd=0x7f6bd8000af0) at /data/src/10.4/sql/sql_parse.cc:1353

#19 0x0000555ab3af2b0c in do_handle_one_connection (connect=0x555ab74f4520) at /data/src/10.4/sql/sql_connect.cc:1412

#20 0x0000555ab3af285b in handle_one_connection (arg=0x555ab74f4520) at /data/src/10.4/sql/sql_connect.cc:1316

#21 0x0000555ab44f2879 in pfs_spawn_thread (arg=0x555ab7452190) at /data/src/10.4/storage/perfschema/pfs.cc:1869

#22 0x00007f6bfe0b74a4 in start_thread (arg=0x7f6bf628e700) at pthread_create.c:456

#23 0x00007f6bfc1ebd0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97