Assertion `length <= 64' failed in PFS_variable_name_row::make_row and Assertion `length <= NAME_CHAR_LEN' failed on performance_schema related SELECT

# mysqld options required for replay:  --performance-schema

SET @X2345678901234567890123456789012345678901234567890123456789012345 = 12;

SELECT * FROM performance_schema.user_variables_by_thread;

mysqld: /test/10.5_dbg/storage/perfschema/table_helper.cc:840: void PFS_variable_name_row::make_row(const char*, size_t): Assertion `length <= 64' failed.

Core was generated by `/test/MD110820-mariadb-10.5.6-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGABRT, Aborted.

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6)

    at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

[Current thread is 1 (Thread 0x153e0f5bc700 (LWP 583194))]

(gdb) bt

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

#1  0x00005573fc076b86 in my_write_core (sig=sig@entry=6) at /test/10.5_dbg/mysys/stacktrace.c:519

#2  0x00005573fb82dd7b in handle_fatal_signal (sig=6) at /test/10.5_dbg/sql/signal_handler.cc:330

#3  <signal handler called>

#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51

#5  0x0000153e0d8528b1 in __GI_abort () at abort.c:79

#6  0x0000153e0d84242a in __assert_fail_base (fmt=0x153e0d9c9a38 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x5573fc1d0c1e "length <= 64", file=file@entry=0x5573fc43ddb8 "/test/10.5_dbg/storage/perfschema/table_helper.cc", line=line@entry=840, function=function@entry=0x5573fc43e220 <PFS_variable_name_row::make_row(char const*, unsigned long)::__PRETTY_FUNCTION__> "void PFS_variable_name_row::make_row(const char*, size_t)") at assert.c:92

#7  0x0000153e0d8424a2 in __GI___assert_fail (assertion=assertion@entry=0x5573fc1d0c1e "length <= 64", file=file@entry=0x5573fc43ddb8 "/test/10.5_dbg/storage/perfschema/table_helper.cc", line=line@entry=840, function=function@entry=0x5573fc43e220 <PFS_variable_name_row::make_row(char const*, unsigned long)::__PRETTY_FUNCTION__> "void PFS_variable_name_row::make_row(const char*, size_t)") at assert.c:101

#8  0x00005573fbb8c39b in PFS_variable_name_row::make_row (this=this@entry=0x153de4899d88, str=str@entry=0x153de4823350 "X2345678901234567890123456789012345678901234567890123456789012345", length=length@entry=65) at /test/10.5_dbg/storage/perfschema/table_helper.cc:840

#9  0x00005573fbb9b2d3 in User_variables::materialize (this=this@entry=0x153de4861868, pfs=pfs@entry=0x153e0b01a280, thd=thd@entry=0x153de4815088) at /test/10.5_dbg/storage/perfschema/table_uvar_by_thread.cc:109

#10 0x00005573fbb9b5a1 in table_uvar_by_thread::materialize (this=this@entry=0x153de4861840, thread=thread@entry=0x153e0b01a280) at /test/10.5_dbg/storage/perfschema/table_uvar_by_thread.cc:251

#11 0x00005573fbb9b73e in table_uvar_by_thread::rnd_next (this=0x153de4861840) at /test/10.5_dbg/storage/perfschema/table_uvar_by_thread.cc:194

#12 0x00005573fbb375f1 in ha_perfschema::rnd_next (this=0x153de488a0a0, buf=0x153de4852fc0 "\377") at /test/10.5_dbg/storage/perfschema/ha_perfschema.cc:359

#13 0x00005573fb835cf2 in handler::ha_rnd_next (this=0x153de488a0a0, buf=0x153de4852fc0 "\377") at /test/10.5_dbg/sql/handler.cc:3060

#14 0x00005573fb9d74b5 in rr_sequential (info=0x153de48783d8) at /test/10.5_dbg/sql/records.cc:519

#15 0x00005573fb5d67c2 in READ_RECORD::read_record (this=0x153de48783d8) at /test/10.5_dbg/sql/records.h:80

#16 join_init_read_record (tab=0x153de4878310) at /test/10.5_dbg/sql/sql_select.cc:21569

#17 0x00005573fb5c59f1 in sub_select (join=0x153de4876bc8, join_tab=0x153de4878310, end_of_records=<optimized out>) at /test/10.5_dbg/sql/sql_select.cc:20621

#18 0x00005573fb5ffb32 in do_select (procedure=0x0, join=0x153de4876bc8) at /test/10.5_dbg/sql/sql_select.cc:20158

#19 JOIN::exec_inner (this=this@entry=0x153de4876bc8) at /test/10.5_dbg/sql/sql_select.cc:4450

#20 0x00005573fb60014d in JOIN::exec (this=this@entry=0x153de4876bc8) at /test/10.5_dbg/sql/sql_select.cc:4231

#21 0x00005573fb5fe449 in mysql_select (thd=thd@entry=0x153de4815088, tables=<optimized out>, fields=@0x153de48742c8: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x153de4874728, last = 0x153de48775f8, elements = 3}, <No data fields>}, conds=0x0, og_num=0, order=<optimized out>, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x153de4876ba0, unit=0x153de48190a0, select_lex=0x153de4874178) at /test/10.5_dbg/sql/sql_select.cc:4655

#22 0x00005573fb5fe778 in handle_select (thd=thd@entry=0x153de4815088, lex=lex@entry=0x153de4818fd8, result=result@entry=0x153de4876ba0, setup_tables_done_option=setup_tables_done_option@entry=0) at /test/10.5_dbg/sql/sql_select.cc:417

#23 0x00005573fb586d72 in execute_sqlcom_select (thd=thd@entry=0x153de4815088, all_tables=0x153de48747b8) at /test/10.5_dbg/sql/sql_parse.cc:6210

#24 0x00005573fb57fe46 in mysql_execute_command (thd=thd@entry=0x153de4815088) at /test/10.5_dbg/sql/sql_parse.cc:3932

#25 0x00005573fb58cd4e in mysql_parse (thd=thd@entry=0x153de4815088, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x153e0f5bb350, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.5_dbg/sql/sql_parse.cc:7994

#26 0x00005573fb57977e in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x153de4815088, packet=packet@entry=0x153de4867089 "", packet_length=packet_length@entry=57, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.5_dbg/sql/sql_parse.cc:1867

#27 0x00005573fb577f58 in do_command (thd=0x153de4815088) at /test/10.5_dbg/sql/sql_parse.cc:1348

#28 0x00005573fb6d4bc9 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x153de8072b88, put_in_cache=put_in_cache@entry=true) at /test/10.5_dbg/sql/sql_connect.cc:1410

#29 0x00005573fb6d52e5 in handle_one_connection (arg=arg@entry=0x153de8072b88) at /test/10.5_dbg/sql/sql_connect.cc:1312

#30 0x00005573fbb3b572 in pfs_spawn_thread (arg=0x153e0c446508) at /test/10.5_dbg/storage/perfschema/pfs.cc:2201

#31 0x0000153e0e5356db in start_thread (arg=0x153e0f5bc700) at pthread_create.c:463

#32 0x0000153e0d933a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95