Assertion `!str || str != Ptr || !is_alloced()' failed in String::copy upon SELECT with sjis

SET NAMES sjis;

CREATE TABLE t (a VARCHAR(3));

INSERT INTO t VALUES (''),('');

SELECT GROUP_CONCAT(PASSWORD(a)) AS f FROM t;

# Cleanup

DROP TABLE t;

mysqld: /data/src/10.4/sql/sql_string.cc:441: bool String::copy(const char*, size_t, CHARSET_INFO*, CHARSET_INFO*, uint*): Assertion `!str || str != Ptr || !is_alloced()' failed.

211101 19:13:51 [ERROR] mysqld got signal 6 ;

#7  0x00007f5613857f36 in __GI___assert_fail (assertion=0x55e54ba33c28 "!str || str != Ptr || !is_alloced()", file=0x55e54ba33998 "/data/src/10.4/sql/sql_string.cc", line=441, function=0x55e54ba33c50 "bool String::copy(const char*, size_t, CHARSET_INFO*, CHARSET_INFO*, uint*)") at assert.c:101

#8  0x000055e54addb7ea in String::copy (this=0x7f55fc014e20, str=0x7f55fc0f3010 "", arg_length=0, from_cs=0x55e54c398b20 <my_charset_latin1>, to_cs=0x55e54c3dc7a0 <my_charset_sjis_japanese_ci>, errors=0x7f560d6d997c) at /data/src/10.4/sql/sql_string.cc:441

#9  0x000055e54b13d63d in Item_func::val_str_from_val_str_ascii (this=0x7f55fc014df0, str=0x7f55fc014e20, ascii_buffer=0x7f55fc014eb0) at /data/src/10.4/sql/item_strfunc.cc:116

#10 0x000055e54afe5200 in Item_str_ascii_func::val_str (this=0x7f55fc014df0, str=0x7f55fc014e20) at /data/src/10.4/sql/item_strfunc.h:93

#11 0x000055e54b0a6baf in Item::save_str_in_field (this=0x7f55fc014df0, field=0x7f55fc05b0f8, no_conversions=true) at /data/src/10.4/sql/item.cc:6677

#12 0x000055e54af2d49e in Type_handler_string_result::Item_save_in_field (this=0x55e54c2cedd0 <type_handler_varchar>, item=0x7f55fc014df0, field=0x7f55fc05b0f8, no_conversions=true) at /data/src/10.4/sql/sql_type.cc:3817

#13 0x000055e54b0a6efb in Item::save_in_field (this=0x7f55fc014df0, field=0x7f55fc05b0f8, no_conversions=true) at /data/src/10.4/sql/item.cc:6725

#14 0x000055e54ac6de05 in Item_result_field::save_in_result_field (this=0x7f55fc014df0, no_conversions=true) at /data/src/10.4/sql/item.h:3259

#15 0x000055e54ad916ca in copy_funcs (func_ptr=0x7f55fc05adb8, thd=0x7f55fc000d90) at /data/src/10.4/sql/sql_select.cc:25716

#16 0x000055e54b183a6f in Item_func_group_concat::add (this=0x7f55fc014f50) at /data/src/10.4/sql/item_sum.cc:3993

#17 0x000055e54b185ce6 in Aggregator_simple::add (this=0x7f55fc0181f8) at /data/src/10.4/sql/item_sum.h:716

#18 0x000055e54ad9e82f in Item_sum::aggregator_add (this=0x7f55fc014f50) at /data/src/10.4/sql/item_sum.h:558

#19 0x000055e54ad9162a in update_sum_func (func_ptr=0x7f55fc016ad0) at /data/src/10.4/sql/sql_select.cc:25686

#20 0x000055e54ad87c03 in end_send_group (join=0x7f55fc016428, join_tab=0x7f55fc017a80, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:21997

#21 0x000055e54ad84760 in evaluate_join_record (join=0x7f55fc016428, join_tab=0x7f55fc0176d8, error=0) at /data/src/10.4/sql/sql_select.cc:20815

#22 0x000055e54ad84166 in sub_select (join=0x7f55fc016428, join_tab=0x7f55fc0176d8, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:20627

#23 0x000055e54ad83476 in do_select (join=0x7f55fc016428, procedure=0x0) at /data/src/10.4/sql/sql_select.cc:20126

#24 0x000055e54ad57df9 in JOIN::exec_inner (this=0x7f55fc016428) at /data/src/10.4/sql/sql_select.cc:4534

#25 0x000055e54ad56f28 in JOIN::exec (this=0x7f55fc016428) at /data/src/10.4/sql/sql_select.cc:4316

#26 0x000055e54ad586a7 in mysql_select (thd=0x7f55fc000d90, tables=0x7f55fc015428, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7f55fc016400, unit=0x7f55fc004cc0, select_lex=0x7f55fc014850) at /data/src/10.4/sql/sql_select.cc:4755

#27 0x000055e54ad47ec6 in handle_select (thd=0x7f55fc000d90, lex=0x7f55fc004c00, result=0x7f55fc016400, setup_tables_done_option=0) at /data/src/10.4/sql/sql_select.cc:436

#28 0x000055e54ad0c797 in execute_sqlcom_select (thd=0x7f55fc000d90, all_tables=0x7f55fc015428) at /data/src/10.4/sql/sql_parse.cc:6449

#29 0x000055e54ad02f64 in mysql_execute_command (thd=0x7f55fc000d90) at /data/src/10.4/sql/sql_parse.cc:3963

#30 0x000055e54ad107c9 in mysql_parse (thd=0x7f55fc000d90, rawbuf=0x7f55fc014798 "SELECT GROUP_CONCAT(PASSWORD(a)) AS f FROM t", length=44, parser_state=0x7f560d6db4d0, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:7995

#31 0x000055e54acfcad1 in dispatch_command (command=COM_QUERY, thd=0x7f55fc000d90, packet=0x7f55fc00abf1 "", packet_length=44, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1857

#32 0x000055e54acfb337 in do_command (thd=0x7f55fc000d90) at /data/src/10.4/sql/sql_parse.cc:1373

#33 0x000055e54ae8da20 in do_handle_one_connection (connect=0x55e54df3b400) at /data/src/10.4/sql/sql_connect.cc:1420

#34 0x000055e54ae8d6b9 in handle_one_connection (arg=0x55e54df3b400) at /data/src/10.4/sql/sql_connect.cc:1316

#35 0x000055e54b8bf748 in pfs_spawn_thread (arg=0x55e54de90dd0) at /data/src/10.4/storage/perfschema/pfs.cc:1869

#36 0x00007f5613d70609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#37 0x00007f5613943293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95