InnoDB: Failing assertion: len <= MAX_TABLE_NAME_LEN

--source include/have_innodb.inc

set names utf8;

let $d= `select repeat('❎', 45)`;

let $t= `select repeat('❎', 64)`;

eval create database `$d`;

eval use `$d`;

create table t (a int primary key) engine=innodb;

eval create or replace table u (

  a int primary key,

  constraint `$t` foreign key d (a) references t (a)) engine=innodb;

#select * from information_schema.innodb_sys_foreign;

eval create or replace table u (

  a int primary key,

  constraint `$t` foreign key d (a) references t (a)) engine=innodb;

#select * from information_schema.innodb_sys_foreign;

show create table u;

use test;

eval drop database `$d`;

#5  0x00005580cf377991 in ut_dbg_assertion_failed (expr=0x5580cf8d2fec "len <= MAX_TABLE_NAME_LEN", file=0x5580cf95086b "../src/storage/innobase/dict/dict0load.cc", line=3690) at ../src/storage/innobase/ut/ut0dbg.cc:60

#6  0x00005580cf44f98e in dict_load_foreigns (table_name=0x7f43c80ee490 "@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e/u", col_names=0x0, check_recursive=false, check_charsets=true, ignore_err=DICT_ERR_IGNORE_NONE, fk_tables=std::deque with 0 elements) at ../src/storage/innobase/dict/dict0load.cc:3690

#7  0x00005580cf133244 in create_table_info_t::create_table (this=0x7f43c80ee208, create_fk=true) at ../src/storage/innobase/handler/ha_innodb.cc:12718

#8  0x00005580cf14f4ad in ha_innobase::create (this=0x7f43d002a9c0, name=0x7f43c80f1b20 "./@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e/u", form=0x7f43c80eef08, create_info=0x7f43c80f2080, file_per_table=true, trx=0x7f43e02dc218) at ../src/storage/innobase/handler/ha_innodb.cc:13167

#9  0x00005580cf134157 in ha_innobase::create (this=0x7f43d002a9c0, name=0x7f43c80f1b20 "./@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e/u", form=0x7f43c80eef08, create_info=0x7f43c80f2080) at ../src/storage/innobase/handler/ha_innodb.cc:13220

#10 0x00005580ceef71c3 in handler::ha_create (this=0x7f43d002a9c0, name=0x7f43c80f1b20 "./@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e/u", form=0x7f43c80eef08, info_arg=0x7f43c80f2080) at ../src/sql/handler.cc:4510

#11 0x00005580ceef8394 in ha_create_table (thd=0x7f43d0008ef8, path=0x7f43c80f1b20 "./@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e/u", db=0x7f43d001c3b8 "❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎", table_name=0x7f43d001bd48 "u", create_info=0x7f43c80f2080, frm=0x7f43c80f1b10) at ../src/sql/handler.cc:4883

#12 0x00005580ced98188 in rea_create_table (thd=0x7f43d0008ef8, frm=0x7f43c80f1b10, path=0x7f43c80f1b20 "./@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e/u", db=0x7f43d001c3b8 "❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎", table_name=0x7f43d001bd48 "u", create_info=0x7f43c80f2080, file=0x7f43d001ce80, no_ha_create_table=false) at ../src/sql/unireg.cc:429

#13 0x00005580ced366f8 in create_table_impl (thd=0x7f43d0008ef8, orig_db=0x7f43d001c3b8 "❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎", orig_table_name=0x7f43d001bd48 "u", db=0x7f43d001c3b8 "❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎", table_name=0x7f43d001bd48 "u", path=0x7f43c80f1b20 "./@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e@274e/u", options=..., create_info=0x7f43c80f2080, alter_info=0x7f43c80f1fd8, create_table_mode=0, is_trans=0x7f43c80f1e47, key_info=0x7f43c80f1d38, key_count=0x7f43c80f1d34, frm=0x7f43c80f1b10) at ../src/sql/sql_table.cc:5006

#14 0x00005580ced35be6 in mysql_create_table_no_lock (thd=0x7f43d0008ef8, db=0x7f43d001c3b8 "❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎", table_name=0x7f43d001bd48 "u", create_info=0x7f43c80f2080, alter_info=0x7f43c80f1fd8, is_trans=0x7f43c80f1e47, create_table_mode=0) at ../src/sql/sql_table.cc:5116

#15 0x00005580ced36e2c in mysql_create_table (thd=0x7f43d0008ef8, create_table=0x7f43d001bd98, create_info=0x7f43c80f2080, alter_info=0x7f43c80f1fd8) at ../src/sql/sql_table.cc:5184

#16 0x00005580ced4897a in Sql_cmd_create_table::execute (this=0x7f43d001bd78, thd=0x7f43d0008ef8) at ../src/sql/sql_table.cc:11067

#17 0x00005580cec5e6bd in mysql_execute_command (thd=0x7f43d0008ef8) at ../src/sql/sql_parse.cc:6017

#18 0x00005580cec52928 in mysql_parse (thd=0x7f43d0008ef8, rawbuf=0x7f43d001ba00 "create or replace table u (\na int primary key,\nconstraint `❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎ ❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎❎` foreign key d (a) references t (a)) engine=innodb", length=302, parser_state=0x7f43c80f4560, is_com_multi=false, is_next_command=false) at ../src/sql/sql_parse.cc:7793

3682            /* Now we get a foreign key constraint id */

3683            field = rec_get_nth_field_old(

3684                    rec, DICT_FLD__SYS_FOREIGN_FOR_NAME__ID, &len);

3685

3686            /* Copy the string because the page may be modified or evicted

3687            after mtr_commit() below. */

3688            char    fk_id[MAX_TABLE_NAME_LEN + 1];

3689

3690            ut_a(len <= MAX_TABLE_NAME_LEN);