EXECUTE IMMEDIATE CONCAT('SELECT SCHEMA_NAME from information_schema.schemata where schema_name=''' , REPEAT('a',193), '''');

SELECT SCHEMA_NAME from information_schema.schemata where schema_name='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'

SELECT SCHEMA_NAME from information_schema.schemata where schema_name=REPEAT('a',193);

SET COLLATION_CONNECTION=eucjpms_bin, SESSION CHARACTER_SET_CLIENT=cp932;

SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.schemata WHERE schema_name='имя_базы_в_кодировке_утф8_длиной_больше_чем_45';

mysqld: /test/10.5_dbg/sql/sql_array.h:140: Elem& Dynamic_array<Elem>::at(size_t) [with Elem = st_mysql_const_lex_string*; size_t = long unsigned int]: Assertion `idx < array.elements' failed.

Core was generated by `/test/MD250620-mariadb-10.5.5-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 0x146f7d299700 (LWP 2963673))]

(gdb) bt

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

#1  0x000055eed390b7d0 in my_write_core (sig=sig@entry=6) at /test/10.5_dbg/mysys/stacktrace.c:518

#2  0x000055eed30c447a 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  0x0000146f7b52f801 in __GI_abort () at abort.c:79

#6  0x0000146f7b51f39a in __assert_fail_base (fmt=0x146f7b6a67d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x55eed3a7226b "idx < array.elements", file=file@entry=0x55eed3a6d438 "/test/10.5_dbg/sql/sql_array.h", line=line@entry=140, function=function@entry=0x55eed3aa1f20 <Dynamic_array<st_mysql_const_lex_string*>::at(unsigned long)::__PRETTY_FUNCTION__> "Elem& Dynamic_array<Elem>::at(size_t) [with Elem = st_mysql_const_lex_string*; size_t = long unsigned int]") at assert.c:92

#7  0x0000146f7b51f412 in __GI___assert_fail (assertion=assertion@entry=0x55eed3a7226b "idx < array.elements", file=file@entry=0x55eed3a6d438 "/test/10.5_dbg/sql/sql_array.h", line=line@entry=140, function=function@entry=0x55eed3aa1f20 <Dynamic_array<st_mysql_const_lex_string*>::at(unsigned long)::__PRETTY_FUNCTION__> "Elem& Dynamic_array<Elem>::at(size_t) [with Elem = st_mysql_const_lex_string*; size_t = long unsigned int]") at assert.c:101

#8  0x000055eed2ebf857 in Dynamic_array<st_mysql_const_lex_string*>::at (idx=0, this=0x146f7d297080) at /test/10.5_dbg/sql/sql_array.h:140

#9  fill_schema_schemata (thd=0x146f59815088, tables=0x146f59874898, cond=0x146f598753a8) at /test/10.5_dbg/sql/sql_show.cc:5306

#10 0x000055eed2ec464b in get_schema_tables_result (join=join@entry=0x146f59876270, executed_place=executed_place@entry=PROCESSED_BY_JOIN_EXEC) at /test/10.5_dbg/sql/sql_show.cc:8675

#11 0x000055eed2e97dc3 in JOIN::exec_inner (this=this@entry=0x146f59876270) at /test/10.5_dbg/sql/sql_select.cc:4401

#12 0x000055eed2e9876b in JOIN::exec (this=this@entry=0x146f59876270) at /test/10.5_dbg/sql/sql_select.cc:4225

#13 0x000055eed2e96a80 in mysql_select (thd=thd@entry=0x146f59815088, tables=<optimized out>, fields=@0x146f59874388: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x146f598747f8, last = 0x146f598747f8, elements = 1}, <No data fields>}, conds=0x146f598753a8, og_num=0, order=<optimized out>, group=0x0, having=0x0, proc_param=0x0, select_options=2684619520, result=0x146f59876248, unit=0x146f598190a0, select_lex=0x146f59874238) at /test/10.5_dbg/sql/sql_select.cc:4649

#14 0x000055eed2e96daf in handle_select (thd=thd@entry=0x146f59815088, lex=lex@entry=0x146f59818fd8, result=result@entry=0x146f59876248, setup_tables_done_option=setup_tables_done_option@entry=0) at /test/10.5_dbg/sql/sql_select.cc:417

#15 0x000055eed2e206c9 in execute_sqlcom_select (thd=thd@entry=0x146f59815088, all_tables=0x146f59874898) at /test/10.5_dbg/sql/sql_parse.cc:6211

#16 0x000055eed2e197c2 in mysql_execute_command (thd=thd@entry=0x146f59815088) at /test/10.5_dbg/sql/sql_parse.cc:3939

#17 0x000055eed2e26638 in mysql_parse (thd=thd@entry=0x146f59815088, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x146f7d298350, 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:7995

#18 0x000055eed2e13110 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x146f59815088, packet=packet@entry=0x146f59867089 "SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.schemata WHERE schema_name='имя_базы_в_кодировке_утф8_длиной_больше_чем_45'", packet_length=packet_length@entry=153, 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:1874

#19 0x000055eed2e118ea in do_command (thd=0x146f59815088) at /test/10.5_dbg/sql/sql_parse.cc:1355

#20 0x000055eed2f6d15f in do_handle_one_connection (connect=<optimized out>, connect@entry=0x146f5c0d2028, put_in_cache=put_in_cache@entry=true) at /test/10.5_dbg/sql/sql_connect.cc:1411

#21 0x000055eed2f6d87b in handle_one_connection (arg=arg@entry=0x146f5c0d2028) at /test/10.5_dbg/sql/sql_connect.cc:1313

#22 0x000055eed33d011c in pfs_spawn_thread (arg=0x146f7a046508) at /test/10.5_dbg/storage/perfschema/pfs.cc:2201

#23 0x0000146f7c2126db in start_thread (arg=0x146f7d299700) at pthread_create.c:463

#24 0x0000146f7b61088f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

SET @@global.character_set_connection=utf8; 

SET NAMES sjis; 

SET @@collation_connection=DEFAULT;

SELECT SCHEMA_NAME FROM information_schema.schemata WHERE SCHEMA_NAME='имя_базы_в_кодировке_утф8_длиной_больше_чем_45';