Assertion `offset < table->s->reclength' failed in dump_leaf_key

CREATE TABLE t1 (id INT PRIMARY KEY, a VARCHAR(1024) NOT NULL);

INSERT INTO t1 VALUES (1,'foo'),(2,'bar');

SET SQL_MODE= '';

SELECT GROUP_CONCAT( IF( id, '', a ), MID( a, 10, 0 ) ) AS f FROM t1;

# Cleanup

DROP TABLE t1;

mysqld: /data/src/10.2/sql/item_sum.cc:3207: int dump_leaf_key(void*, element_count, void*): Assertion `offset < table->s->reclength' failed.

200522 21:03:03 [ERROR] mysqld got signal 6 ;

#7  0x00007ff8c1d18f12 in __GI___assert_fail (assertion=0x5599e1fb3c5b "offset < table->s->reclength", file=0x5599e1fb3808 "/data/src/10.2/sql/item_sum.cc", line=3207, function=0x5599e1fb4c80 <dump_leaf_key::__PRETTY_FUNCTION__> "int dump_leaf_key(void*, element_count, void*)") at assert.c:101

#8  0x00005599e179203f in dump_leaf_key (key_arg=0x7ff8ac175038, count=1, item_arg=0x7ff8ac012c58) at /data/src/10.2/sql/item_sum.cc:3207

#9  0x00005599e1793617 in Item_func_group_concat::add (this=0x7ff8ac012c58) at /data/src/10.2/sql/item_sum.cc:3584

#10 0x00005599e1794d43 in Aggregator_simple::add (this=0x7ff8ac015658) at /data/src/10.2/sql/item_sum.h:708

#11 0x00005599e14c2a95 in Item_sum::aggregator_add (this=0x7ff8ac012c58) at /data/src/10.2/sql/item_sum.h:553

#12 0x00005599e14c2980 in Item_sum::reset_and_add (this=0x7ff8ac012c58) at /data/src/10.2/sql/item_sum.h:440

#13 0x00005599e14b74fd in init_sum_functions (func_ptr=0x7ff8ac013fb8, end_ptr=0x7ff8ac013fc0) at /data/src/10.2/sql/sql_select.cc:23850

#14 0x00005599e14ae3aa in end_send_group (join=0x7ff8ac013820, join_tab=0x7ff8ac014ed8, end_of_records=false) at /data/src/10.2/sql/sql_select.cc:20244

#15 0x00005599e14ab4c7 in evaluate_join_record (join=0x7ff8ac013820, join_tab=0x7ff8ac014b28, error=0) at /data/src/10.2/sql/sql_select.cc:19087

#16 0x00005599e14aadb3 in sub_select (join=0x7ff8ac013820, join_tab=0x7ff8ac014b28, end_of_records=false) at /data/src/10.2/sql/sql_select.cc:18867

#17 0x00005599e14aa33a in do_select (join=0x7ff8ac013820, procedure=0x0) at /data/src/10.2/sql/sql_select.cc:18411

#18 0x00005599e1483e21 in JOIN::exec_inner (this=0x7ff8ac013820) at /data/src/10.2/sql/sql_select.cc:3633

#19 0x00005599e14832dc in JOIN::exec (this=0x7ff8ac013820) at /data/src/10.2/sql/sql_select.cc:3428

#20 0x00005599e1484492 in mysql_select (thd=0x7ff8ac000af0, tables=0x7ff8ac013108, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7ff8ac013800, unit=0x7ff8ac0046e8, select_lex=0x7ff8ac004e28) at /data/src/10.2/sql/sql_select.cc:3828

#21 0x00005599e1478644 in handle_select (thd=0x7ff8ac000af0, lex=0x7ff8ac004628, result=0x7ff8ac013800, setup_tables_done_option=0) at /data/src/10.2/sql/sql_select.cc:361

#22 0x00005599e1444139 in execute_sqlcom_select (thd=0x7ff8ac000af0, all_tables=0x7ff8ac013108) at /data/src/10.2/sql/sql_parse.cc:6225

#23 0x00005599e143a9e0 in mysql_execute_command (thd=0x7ff8ac000af0) at /data/src/10.2/sql/sql_parse.cc:3532

#24 0x00005599e1447e6f in mysql_parse (thd=0x7ff8ac000af0, rawbuf=0x7ff8ac012448 "SELECT GROUP_CONCAT( IF( id, '', a ), MID( a, 10, 0 ) ) AS f FROM t1", length=68, parser_state=0x7ff8bc04c610, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:7740

#25 0x00005599e14361c2 in dispatch_command (command=COM_QUERY, thd=0x7ff8ac000af0, packet=0x7ff8ac08bff1 "", packet_length=68, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:1832

#26 0x00005599e1434c3d in do_command (thd=0x7ff8ac000af0) at /data/src/10.2/sql/sql_parse.cc:1385

#27 0x00005599e1589ac9 in do_handle_one_connection (connect=0x5599e528efa0) at /data/src/10.2/sql/sql_connect.cc:1336

#28 0x00005599e1589834 in handle_one_connection (arg=0x5599e528efa0) at /data/src/10.2/sql/sql_connect.cc:1241

#29 0x00005599e1d9efd6 in pfs_spawn_thread (arg=0x5599e5232eb0) at /data/src/10.2/storage/perfschema/pfs.cc:1869

#30 0x00007ff8c3ca14a4 in start_thread (arg=0x7ff8bc04d700) at pthread_create.c:456

#31 0x00007ff8c1dd5d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97