The table mysql.general_log is not protected during backup

SET GLOBAL log_output='TABLE',general_log=1;

BACKUP STAGE start;

BACKUP STAGE block_commit;

--connect con1, localhost, root

SET GLOBAL general_log=0;

--disconnect con1

--connection default

UNLOCK TABLES;

(rr) bt

#0  write_meta_file (meta_file=22, rows=2, dirty=dirty@entry=true) at /mariadb/10.11/storage/csv/ha_tina.cc:364

#1  0x000056513596c463 in ha_tina::init_tina_writer (this=this@entry=0x7fb8c801d520) at /mariadb/10.11/storage/csv/ha_tina.cc:414

#2  0x000056513596d424 in ha_tina::write_row (this=0x7fb8c801d520, buf=<optimized out>) at /mariadb/10.11/storage/csv/ha_tina.cc:1036

#3  0x000056513576d161 in handler::ha_write_row (this=0x7fb8c801d520, buf=0x7fb8c801d0a0 "f\331c\223\b-\034\025") at /mariadb/10.11/sql/handler.cc:7751

#4  0x00005651358441e2 in Log_to_csv_event_handler::log_general (this=<optimized out>, thd=0x7fb8c8002758, event_time=..., user_host=0x7fb8e7ffd9c0 "[root] @ localhost []", user_host_len=21, thread_id_arg=5, command_type=0x565135f2f826 "Connect", command_type_len=7, sql_text=0x7fb8e7ffdc10 "root@localhost on  using Socket", sql_text_len=31, client_cs=0x56513678c200 <my_charset_latin1>) at /mariadb/10.11/sql/log.cc:921

#5  0x0000565135845ff7 in LOGGER::general_log_write (this=this@entry=0x56513685d420 <logger>, thd=thd@entry=0x7fb8c8002758, command=command@entry=COM_CONNECT, query=query@entry=0x7fb8e7ffdc10 "root@localhost on  using Socket", query_length=31) at /mariadb/10.11/sql/log.cc:1507

#6  0x000056513584606b in LOGGER::general_log_print (this=this@entry=0x56513685d420 <logger>, thd=thd@entry=0x7fb8c8002758, command=command@entry=COM_CONNECT, format=format@entry=0x565135edb762 "%s@%s on %s using %s", args=args@entry=0x7fb8e7ffe048) at /mariadb/10.11/sql/log.cc:1532

#7  0x0000565135846161 in general_log_print (thd=thd@entry=0x7fb8c8002758, command=command@entry=COM_CONNECT, format=format@entry=0x565135edb762 "%s@%s on %s using %s") at /mariadb/10.11/sql/log.cc:7141

#8  0x00005651354835ca in acl_authenticate (thd=thd@entry=0x7fb8c8002758, com_change_user_pkt_len=com_change_user_pkt_len@entry=0) at /mariadb/10.11/sql/sql_acl.cc:14603

#9  0x0000565135628959 in check_connection (thd=thd@entry=0x7fb8c8002758) at /mariadb/10.11/sql/sql_connect.cc:1083

#10 0x0000565135628c55 in login_connection (thd=thd@entry=0x7fb8c8002758) at /mariadb/10.11/sql/sql_connect.cc:1149

#11 0x0000565135628ffe in thd_prepare_connection (thd=0x7fb8c8002758) at /mariadb/10.11/sql/sql_connect.cc:1333

#12 0x0000565135629464 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x5651528e8d08, put_in_cache=put_in_cache@entry=true) at /mariadb/10.11/sql/sql_connect.cc:1407

#13 0x0000565135629571 in handle_one_connection (arg=0x5651528e8d08) at /mariadb/10.11/sql/sql_connect.cc:1319

#14 0x00007fb8edea1732 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447

#15 0x00007fb8edf1c100 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100

"2024-09-05 10:53:55.505128","root[root] @ localhost []",4,1,"Query","BACKUP STAGE start"

"2024-09-05 10:53:55.508824","root[root] @ localhost []",4,1,"Query","BACKUP STAGE block_commit"

"2024-09-05 10:53:55.535836","[root] @ localhost []",5,1,"Connect","root@localhost on  using Socket"

"2024-09-05 10:53:55.540602","root[root] @ localhost []",5,1,"Init DB","test"

"2024-09-05 10:53:55.541475","root[root] @ localhost []",5,1,"Query","SET GLOBAL general_log=0"

"2024-09-05 11:18:47.963999","root[root] @ localhost []",4,1,"Query","FLUSH TABLES WITH READ LOCK"

"2024-09-05 11:18:47.976701","[root] @ localhost []",5,1,"Connect","root@localhost on  using Socket"

"2024-09-05 11:18:47.979514","root[root] @ localhost []",5,1,"Init DB","test"

"2024-09-05 11:18:47.979960","root[root] @ localhost []",5,1,"Query","SET GLOBAL general_log=0"

REPAIR TABLE mysql.general_log;