Assertion failure in Diagnostics_area::sql_errno upon interrupted ALTER

CREATE TABLE t (a INT) ENGINE=MyISAM;

INSERT INTO t VALUES (1);

LOCK TABLE t READ;

--connect (con1,localhost,root,,)

SET max_statement_time= 0.001;

--error ER_STATEMENT_TIMEOUT

ALTER TABLE t FORCE;

--error ER_STATEMENT_TIMEOUT

ALTER TABLE IF EXISTS t FORCE;

# Cleanup

--disconnect con1

--connection default

UNLOCK TABLES;

DROP TABLE t;

mariadbd: /data/bld/11.4-asan/sql/sql_error.h:1087: uint Diagnostics_area::sql_errno() const: Assertion `m_status == DA_ERROR' failed.

241210  0:21:57 [ERROR] mysqld got signal 6 ;

#9  0x00007fd846e53e32 in __GI___assert_fail (assertion=0x55f50d4b2660 "m_status == DA_ERROR", file=0x55f50d4b26a0 "/data/bld/11.4-asan/sql/sql_error.h", line=1087, function=0x55f50d4b2700 "uint Diagnostics_area::sql_errno() const") at ./assert/assert.c:101

#10 0x000055f50afe9956 in Diagnostics_area::sql_errno (this=0x62c0000f6368) at /data/bld/11.4-asan/sql/sql_error.h:1087

#11 0x000055f50b5f9d95 in mysql_alter_table (thd=0x62c0000f0218, new_db=0x62c0000f4f98, new_name=0x62c0000f53f8, create_info=0x7fd83af59ce0, table_list=0x629000267358, recreate_info=0x7fd83af59a70, alter_info=0x7fd83af59b30, order_num=0, order=0x0, ignore=false, if_exists=true) at /data/bld/11.4-asan/sql/sql_table.cc:10513

#12 0x000055f50b7cf433 in Sql_cmd_alter_table::execute (this=0x629000267a70, thd=0x62c0000f0218) at /data/bld/11.4-asan/sql/sql_alter.cc:701

#13 0x000055f50b2ef9f0 in mysql_execute_command (thd=0x62c0000f0218, is_called_from_prepared_stmt=false) at /data/bld/11.4-asan/sql/sql_parse.cc:5864

#14 0x000055f50b2fcb2e in mysql_parse (thd=0x62c0000f0218, rawbuf=0x629000267238 "ALTER TABLE IF EXISTS t FORCE", length=29, parser_state=0x7fd83af5ba90) at /data/bld/11.4-asan/sql/sql_parse.cc:7893

#15 0x000055f50b2d3cbe in dispatch_command (command=COM_QUERY, thd=0x62c0000f0218, packet=0x62900025d219 "ALTER TABLE IF EXISTS t FORCE", packet_length=29, blocking=true) at /data/bld/11.4-asan/sql/sql_parse.cc:1905

#16 0x000055f50b2d09f6 in do_command (thd=0x62c0000f0218, blocking=true) at /data/bld/11.4-asan/sql/sql_parse.cc:1418

#17 0x000055f50b7b075b in do_handle_one_connection (connect=0x6080000036b8, put_in_cache=true) at /data/bld/11.4-asan/sql/sql_connect.cc:1429

#18 0x000055f50b7b02ba in handle_one_connection (arg=0x6080000036b8) at /data/bld/11.4-asan/sql/sql_connect.cc:1341

#19 0x000055f50c4299ee in pfs_spawn_thread (arg=0x617000005f18) at /data/bld/11.4-asan/storage/perfschema/pfs.cc:2201

#20 0x00007fd846ea8044 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442

#21 0x00007fd846f2861c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

commit 2f5174e556cd247133aa14d7b37372ae49fe83c5

Author: Vladislav Vaintroub

Date:   Thu Feb 1 02:14:23 2024 +0100

    MDEV-33075 Resolve server shutdown issues on macOS, Solaris, and FreeBSD