SET sql_mode='';

CREATE TABLE t (a POINT GENERATED ALWAYS AS (1) STORED,b INT GENERATED ALWAYS AS (1) VIRTUAL);

SET sql_mode=DEFAULT;

SELECT * FROM information_schema.COLUMNS;

Core was generated by `/test/MD170225-mariadb-11.8.1-linux-x86_64-opt/bin/mariadbd --no-defaults --max'.

Program terminated with signal SIGSEGV, Segmentation fault.

#0  Item::print_parenthesised (this=0x0, str=0x14ca7f3bffa8, query_type=8857, parent_prec=LOWEST_PRECEDENCE) at /test/11.8_opt/sql/item.cc:512

512	  bool need_parens= precedence() < parent_prec;

[Current thread is 1 (Thread 0x14ca7f3c36c0 (LWP 3688570))]

(gdb) bt

#0  Item::print_parenthesised (this=0x0, str=0x14ca7f3bffa8, query_type=8857, parent_prec=LOWEST_PRECEDENCE) at /test/11.8_opt/sql/item.cc:512

#1  0x0000562ee8f5406f in Item::print_for_table_def (this=0x0, str=0x14ca7f3bffa8) at /test/11.8_opt/sql/item.h:2051

#2  Virtual_column_info::print (this=0x14ca2050ad60, str=0x14ca7f3bffa8)at /test/11.8_opt/sql/item.h:8232

#3  get_schema_column_record (thd=0x14ca20000c68, tables=0x14ca7f3c08c0, table=0x14ca20027f40, res=<optimized out>, db_name=0x14ca2001ee38, table_name=0x14ca20045590) at /test/11.8_opt/sql/sql_show.cc:6579

#4  0x0000562ee8f4a6a9 in fill_schema_table_from_frm (thd=0x14ca20000c68, mem_root=0x14ca7f3c0540, table=0x14ca20027f40, db_name=0x14ca2001ee38, table_name=0x14ca20045590, open_tables_state_backup=0x14ca7f3c04b0, can_deadlock=false, schema_table=<optimized out>)at /test/11.8_opt/sql/sql_show.cc:5295

#5  get_all_tables (thd=0x14ca20000c68, tables=0x14ca20017c48, cond=<optimized out>) at /test/11.8_opt/sql/sql_show.cc:5648

#6  0x0000562ee8f528e6 in get_schema_tables_result (join=join@entry=0x14ca200198b0, executed_place=executed_place@entry=PROCESSED_BY_JOIN_EXEC)at /test/11.8_opt/sql/sql_show.cc:9713

#7  0x0000562ee8f10375 in JOIN::exec_inner (this=this@entry=0x14ca200198b0)at /test/11.8_opt/sql/sql_select.cc:5020

#8  0x0000562ee8ef6297 in JOIN::exec (this=0x14ca200198b0)at /test/11.8_opt/sql/sql_select.cc:4842

#9  mysql_select (thd=thd@entry=0x14ca20000c68, tables=<optimized out>, fields=@0x14ca20017898: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x14ca20017bc8, last = 0x14ca2001c1b0, elements = 24}, <No data fields>}, conds=<optimized out>, og_num=<optimized out>, order=<optimized out>, group=0x0, having=0x0, proc_param=0x0, select_options=<optimized out>, result=0x14ca20019888, unit=0x14ca20004fc0, select_lex=0x14ca200175e0)at /test/11.8_opt/sql/sql_select.cc:5375

#10 0x0000562ee8ef5f19 in handle_select (thd=thd@entry=0x14ca20000c68, lex=lex@entry=0x14ca20004ee0, result=result@entry=0x14ca20019888, setup_tables_done_option=setup_tables_done_option@entry=0)at /test/11.8_opt/sql/sql_select.cc:633

#11 0x0000562ee8ec350e in execute_sqlcom_select (thd=thd@entry=0x14ca20000c68, all_tables=0x14ca20017c48) at /test/11.8_opt/sql/sql_parse.cc:6191

#12 0x0000562ee8ec1a00 in mysql_execute_command (thd=thd@entry=0x14ca20000c68, is_called_from_prepared_stmt=false) at /test/11.8_opt/sql/sql_parse.cc:3979

#13 0x0000562ee8eba261 in mysql_parse (thd=thd@entry=0x14ca20000c68, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x14ca7f3c2430)at /test/11.8_opt/sql/sql_parse.cc:7915

#14 0x0000562ee8eb86f0 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x14ca20000c68, packet=packet@entry=0x14ca200088a9 "SELECT * FROM information_schema.COLUMNS", packet_length=packet_length@entry=40, blocking=true)at /test/11.8_opt/sql/sql_parse.cc:1902

#15 0x0000562ee8eba671 in do_command (thd=thd@entry=0x14ca20000c68, blocking=true) at /test/11.8_opt/sql/sql_parse.cc:1415

#16 0x0000562ee8fe5e8d in do_handle_one_connection (connect=<optimized out>, connect@entry=0x562f03af3dd8, put_in_cache=true)at /test/11.8_opt/sql/sql_connect.cc:1415

#17 0x0000562ee8fe5c4f in handle_one_connection (arg=arg@entry=0x562f03af3dd8)at /test/11.8_opt/sql/sql_connect.cc:1327

#18 0x0000562ee936ad29 in pfs_spawn_thread (arg=0x562f03aa06c8)at /test/11.8_opt/storage/perfschema/pfs.cc:2198

#19 0x000014ca84c9caa4 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447

#20 0x000014ca84d29c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78