Merge 10.3 into 10.4

16 files changed, 350 insertions, 9 deletions

diff --git a/mysql-test/main/ctype_filename.result b/mysql-test/main/ctype_filename.result
index 7536ea97fb1..955e1ff8a8f 100644
--- a/mysql-test/main/ctype_filename.result
+++ b/mysql-test/main/ctype_filename.result
@@ -22,9 +22,40 @@ SELECT @a:=CONVERT('aя' USING filename) AS `@a`, BINARY @a, REVERSE(@a), HEX(@a
 @a	BINARY @a	REVERSE(@a)	HEX(@a)	HEX(REVERSE(@a))
 aя	a@r1	яa	61407231	40723161
 #
+# Beginning of 10.2 test.
+#
+# MDEV-25462: Assertion `m_status == DA_ERROR || m_status == DA_OK ||
+# m_status == DA_OK_BULK' failed in Diagnostics_area::message from
+# get_schema_tables_record
+#
+SELECT @@character_set_client, @@character_set_connection, @@character_set_results;
+@@character_set_client	@@character_set_connection	@@character_set_results
+utf8	utf8	utf8
+SET @old_character_set_client= @@character_set_client;
+SET @old_character_set_connection= @@character_set_connection;
+SET @old_character_set_results= @@character_set_results;
+SET NAMES 'filename';
+ERROR 42000: Variable 'character_set_client' can't be set to the value of 'filename'
+SELECT @@character_set_client, @@character_set_connection, @@character_set_results;
+@@character_set_client	@@character_set_connection	@@character_set_results
+utf8	utf8	utf8
+CREATE VIEW v2 AS SELECT 1;
+SHOW TABLE STATUS;
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
+v2	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	VIEW	NULL	NULL
+DROP VIEW v2;
+SET @@character_set_client= @old_character_set_client;
+SET @@character_set_connection= @old_character_set_connection;
+SET @@character_set_results= @old_character_set_results;
+#
+# End of 10.2 test
+#
+#
 # MDEV-22022 Various mangled SQL statements will crash 10.3 to 10.5 debug builds
 #
 SET CHARACTER_SET_CLIENT=17;
+ERROR 42000: Variable 'character_set_client' can't be set to the value of '17'
 SELECT doc.`Children`.0 FROM t1;
-ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '?Children??0?FROM?t1' at line 1
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '.0 FROM t1' at line 1
 SET NAMES latin1;
+# End of 10.3 tests
diff --git a/mysql-test/main/ctype_filename.test b/mysql-test/main/ctype_filename.test
index 6f77a6c5a3a..0c38172a0ef 100644
--- a/mysql-test/main/ctype_filename.test
+++ b/mysql-test/main/ctype_filename.test
@@ -28,12 +28,40 @@ select convert(convert(',' using filename) using binary);
 SET NAMES utf8;
 SELECT @a:=CONVERT('aя' USING filename) AS `@a`, BINARY @a, REVERSE(@a), HEX(@a), HEX(REVERSE(@a));
 
+--echo #
+--echo # Beginning of 10.2 test.
+--echo #
+--echo # MDEV-25462: Assertion `m_status == DA_ERROR || m_status == DA_OK ||
+--echo # m_status == DA_OK_BULK' failed in Diagnostics_area::message from
+--echo # get_schema_tables_record
+--echo #
+
+SELECT @@character_set_client, @@character_set_connection, @@character_set_results;
+SET @old_character_set_client= @@character_set_client;
+SET @old_character_set_connection= @@character_set_connection;
+SET @old_character_set_results= @@character_set_results;
+--error ER_WRONG_VALUE_FOR_VAR
+SET NAMES 'filename';
+SELECT @@character_set_client, @@character_set_connection, @@character_set_results;
+CREATE VIEW v2 AS SELECT 1;
+SHOW TABLE STATUS;
+DROP VIEW v2;
+SET @@character_set_client= @old_character_set_client;
+SET @@character_set_connection= @old_character_set_connection;
+SET @@character_set_results= @old_character_set_results;
+
+--echo #
+--echo # End of 10.2 test
+--echo #
 
 --echo #
 --echo # MDEV-22022 Various mangled SQL statements will crash 10.3 to 10.5 debug builds
 --echo #
 
+--error ER_WRONG_VALUE_FOR_VAR
 SET CHARACTER_SET_CLIENT=17;
 --error ER_PARSE_ERROR
 SELECT doc.`Children`.0 FROM t1;
 SET NAMES latin1;
+
+--echo # End of 10.3 tests
diff --git a/mysql-test/main/mysqld--help.result b/mysql-test/main/mysqld--help.result
index 45b1e4afe05..c008df32257 100644
--- a/mysql-test/main/mysqld--help.result
+++ b/mysql-test/main/mysqld--help.result
@@ -1519,7 +1519,7 @@ lc-messages-dir MYSQL_SHAREDIR/
 lc-time-names en_US
 local-infile TRUE
 lock-wait-timeout 86400
-log-bin (No default value)
+log-bin foo
 log-bin-compress FALSE
 log-bin-compress-min-len 256
 log-bin-index (No default value)
diff --git a/mysql-test/main/mysqld--help.test b/mysql-test/main/mysqld--help.test
index 6fff3f51006..b54af092a5e 100644
--- a/mysql-test/main/mysqld--help.test
+++ b/mysql-test/main/mysqld--help.test
@@ -13,7 +13,7 @@
 # force symbolic-links=0 (valgrind build has a different default)
 #
 
-exec $MYSQLD_BOOTSTRAP_CMD --symbolic-links=0 --lower-case-table-names=1 --help --verbose > $MYSQL_TMP_DIR/mysqld--help.txt 2>&1;
+exec $MYSQLD_BOOTSTRAP_CMD --symbolic-links=0 --log-bin=foo --lower-case-table-names=1 --help --verbose > $MYSQL_TMP_DIR/mysqld--help.txt 2>&1;
 
 # The inline perl code below will copy $MYSQL_TMP_DIR/mysqld--help.txt
 # to output, but filter away some variable stuff (e.g. paths).
diff --git a/mysql-test/main/subselect4.result b/mysql-test/main/subselect4.result
index 4452c456022..e4e9a5c8917 100644
--- a/mysql-test/main/subselect4.result
+++ b/mysql-test/main/subselect4.result
@@ -2721,7 +2721,15 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 SELECT a FROM t1 WHERE (a, a) IN (SELECT 1, 2) AND a = (SELECT MIN(b) FROM t2);
 a
 DROP TABLE t1,t2;
-# End of 10.2 tests
+#
+# MDEV-22462: Item_in_subselect::create_single_in_to_exists_cond(JOIN *, Item **, Item **): Assertion `false' failed.
+#
+select 1 from dual where 1 in (select 5 from dual where 1);
+1
+create table t1 (a int);
+insert into t1 values (1),(2),(3);
+update t1 set a = 2 where a in (select a from dual where a = a);
+drop table t1;
 #
 # MDEV-18335: Assertion `!error || error == 137' failed in subselect_rowid_merge_engine::init
 #
@@ -2847,6 +2855,17 @@ INSERT INTO t2 VALUES (3),(4);
 SELECT 1 IN (SELECT (SELECT a FROM t1) AS x FROM t2 GROUP BY x);
 ERROR 21000: Subquery returns more than 1 row
 drop table t1,t2;
+#
+# MDEV-25629: Crash in get_sort_by_table() in subquery with order by having outer ref
+#
+CREATE TABLE t1 (i1 int);
+insert into t1 values (1),(2);
+SELECT 1
+FROM (t1 JOIN t1 AS ref_t1 ON
+(t1.i1 > (SELECT ref_t1.i1 AS c0 FROM t1 b ORDER BY -c0)));
+ERROR 21000: Subquery returns more than 1 row
+DROP TABLE t1;
+# End of 10.2 tests
 # End of 10.3 tests
 #
 # MDEV-19134: EXISTS() slower if ORDER BY is defined
diff --git a/mysql-test/main/subselect4.test b/mysql-test/main/subselect4.test
index a2dfc48ffe2..329a6726a6b 100644
--- a/mysql-test/main/subselect4.test
+++ b/mysql-test/main/subselect4.test
@@ -2236,7 +2236,17 @@ SELECT a FROM t1 WHERE (a, a) IN (SELECT 1, 2) AND a = (SELECT MIN(b) FROM t2);
 
 DROP TABLE t1,t2;
 
---echo # End of 10.2 tests
+--echo #
+--echo # MDEV-22462: Item_in_subselect::create_single_in_to_exists_cond(JOIN *, Item **, Item **): Assertion `false' failed.
+--echo #
+
+select 1 from dual where 1 in (select 5 from dual where 1);
+
+create table t1 (a int);
+insert into t1 values (1),(2),(3);
+
+update t1 set a = 2 where a in (select a from dual where a = a);
+drop table t1;
 
 --echo #
 --echo # MDEV-18335: Assertion `!error || error == 137' failed in subselect_rowid_merge_engine::init
@@ -2353,6 +2363,21 @@ INSERT INTO t2 VALUES (3),(4); # Optional, fails either way
 SELECT 1 IN (SELECT (SELECT a FROM t1) AS x FROM t2 GROUP BY x);
 drop table t1,t2;
 
+--echo #
+--echo # MDEV-25629: Crash in get_sort_by_table() in subquery with order by having outer ref
+--echo #
+CREATE TABLE t1 (i1 int);
+insert into t1 values (1),(2);
+
+--error ER_SUBQUERY_NO_1_ROW
+SELECT 1
+FROM (t1 JOIN t1 AS ref_t1 ON
+	(t1.i1 > (SELECT ref_t1.i1 AS c0 FROM t1 b ORDER BY -c0)));
+
+DROP TABLE t1;
+
+--echo # End of 10.2 tests
+
 --echo # End of 10.3 tests
 
 --echo #
diff --git a/mysql-test/suite/binlog/r/binlog_admin_cmd_kill.result b/mysql-test/suite/binlog/r/binlog_admin_cmd_kill.result
index a2eb7ee5c0a..d9bfead8dd1 100644
--- a/mysql-test/suite/binlog/r/binlog_admin_cmd_kill.result
+++ b/mysql-test/suite/binlog/r/binlog_admin_cmd_kill.result
@@ -20,7 +20,7 @@ master-bin.000001	#	Query	#	#	use `test`; CREATE TABLE t1 (f INT) ENGINE=INNODB
 master-bin.000001	#	Gtid	#	#	GTID #-#-#
 master-bin.000001	#	Query	#	#	use `test`; CREATE TABLE t2 (f INT) ENGINE=INNODB
 DROP TABLE t1,t2;
-FLUSH LOGS;
+RESET MASTER;
 #
 # Kill OPTIMIZE command after table modification
 #
diff --git a/mysql-test/suite/binlog/t/binlog_admin_cmd_kill.test b/mysql-test/suite/binlog/t/binlog_admin_cmd_kill.test
index 9b248097ae2..e2397f0eab8 100644
--- a/mysql-test/suite/binlog/t/binlog_admin_cmd_kill.test
+++ b/mysql-test/suite/binlog/t/binlog_admin_cmd_kill.test
@@ -56,7 +56,7 @@ SET debug_sync = 'reset';
 --source include/show_binlog_events.inc
 DROP TABLE t1,t2;
 
-FLUSH LOGS;
+RESET MASTER;
 
 --echo #
 --echo # Kill OPTIMIZE command after table modification
@@ -81,6 +81,9 @@ eval KILL $thd_id;
 SET debug_sync = 'reset';
 --disconnect con1
 
+--let $wait_binlog_event= OPTIMIZE
+--source include/wait_for_binlog_event.inc
+
 DROP TABLE t1,t2;
 let $binlog_file= query_get_value(SHOW MASTER STATUS, File, 1);
 FLUSH LOGS;
diff --git a/mysql-test/suite/galera/disabled.def b/mysql-test/suite/galera/disabled.def
index bd7ebd5a95a..590a8623223 100644
--- a/mysql-test/suite/galera/disabled.def
+++ b/mysql-test/suite/galera/disabled.def
@@ -40,11 +40,9 @@ galera_var_notify_cmd : MDEV-21905 Galera test galera_var_notify_cmd causes hang
 galera_var_reject_queries : assertion in inline_mysql_socket_send
 galera_var_replicate_myisam_on : MDEV-24062 Galera test failure on galera_var_replicate_myisam_on
 galera_var_retry_autocommit: MDEV-18181 Galera test failure on galera.galera_var_retry_autocommit
-#galera_wan : MDEV-17259 Test failure on galera.galera_wan
 mysql-wsrep#198 : MDEV-24446: galera.mysql-wsrep#198 MTR failed: query 'reap' failed: 2000: Unknown MySQL error
 partition : MDEV-19958 Galera test failure on galera.partition
 query_cache: MDEV-15805 Test failure on galera.query_cache
-#sql_log_bin : MDEV-21491 galera.sql_log_bin
 versioning_trx_id: MDEV-18590: galera.versioning_trx_id: Test failure: mysqltest: Result content mismatch
 galera_wsrep_provider_unset_set: wsrep_provider is read-only for security reasons
 pxc-421: wsrep_provider is read-only for security reasons
diff --git a/mysql-test/suite/innodb_fts/r/innodb-fts-ddl.result b/mysql-test/suite/innodb_fts/r/innodb-fts-ddl.result
index b50bf047265..a64086c9802 100644
--- a/mysql-test/suite/innodb_fts/r/innodb-fts-ddl.result
+++ b/mysql-test/suite/innodb_fts/r/innodb-fts-ddl.result
@@ -264,6 +264,18 @@ t1	CREATE TABLE `t1` (
   `f1` int(11) NOT NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
 DROP TABLE t1;
+#
+# MDEV-25271 Double free of table when inplace alter
+#        FTS add index fails
+#
+call mtr.add_suppression("InnoDB: Operating system error number .* in a file operation.");
+call mtr.add_suppression("InnoDB: Error number .* means");
+call mtr.add_suppression("InnoDB: Cannot create file");
+call mtr.add_suppression("InnoDB: Failed to create");
+CREATE TABLE t1(a TEXT, FTS_DOC_ID BIGINT UNSIGNED NOT NULL UNIQUE) ENGINE=InnoDB;
+ALTER TABLE t1 ADD FULLTEXT(a), ALGORITHM=INPLACE;
+ERROR HY000: Got error 11 "Resource temporarily unavailable" from storage engine InnoDB
+DROP TABLE t1;
 CREATE TABLE t1 (a VARCHAR(3)) ENGINE=InnoDB;
 ALTER TABLE t1 ADD FULLTEXT KEY(a), ADD COLUMN b VARCHAR(3), ADD FULLTEXT KEY(b);
 DROP TABLE t1;
diff --git a/mysql-test/suite/innodb_fts/r/misc_debug.result b/mysql-test/suite/innodb_fts/r/misc_debug.result
index 10e3cf8874d..41f8d08ea7d 100644
--- a/mysql-test/suite/innodb_fts/r/misc_debug.result
+++ b/mysql-test/suite/innodb_fts/r/misc_debug.result
@@ -52,3 +52,16 @@ CHECK TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	check	status	OK
 DROP TABLE t1;
+#
+# MDEV-25663 Double free of transaction during TRUNCATE
+#
+call mtr.add_suppression("InnoDB: \\(Too many concurrent transactions\\)");
+SET DEBUG_DBUG='-d,ib_create_table_fail_too_many_trx';
+CREATE TABLE t1 (b CHAR(12), FULLTEXT KEY(b)) engine=InnoDB;
+SET @save_dbug= @@debug_dbug;
+SET debug_dbug='+d,ib_create_table_fail_too_many_trx';
+TRUNCATE t1;
+ERROR HY000: Got error -1 "Internal error < 0 (Not system error)" from storage engine InnoDB
+SET debug_dbug=@save_dbug;
+DROP TABLE t1;
+# End of 10.3 tests
diff --git a/mysql-test/suite/innodb_fts/t/innodb-fts-ddl.opt b/mysql-test/suite/innodb_fts/t/innodb-fts-ddl.opt
new file mode 100644
index 00000000000..e6ae8d0fe0a
--- /dev/null
+++ b/mysql-test/suite/innodb_fts/t/innodb-fts-ddl.opt
@@ -0,0 +1 @@
+--enable-plugin-innodb-sys-tables
diff --git a/mysql-test/suite/innodb_fts/t/innodb-fts-ddl.test b/mysql-test/suite/innodb_fts/t/innodb-fts-ddl.test
index 7c56811a2d9..78494910b48 100644
--- a/mysql-test/suite/innodb_fts/t/innodb-fts-ddl.test
+++ b/mysql-test/suite/innodb_fts/t/innodb-fts-ddl.test
@@ -319,6 +319,25 @@ ALTER TABLE t1 ADD FTS_DOC_ID INT UNSIGNED NOT NULL, ALGORITHM=INPLACE;
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
 
+--echo #
+--echo # MDEV-25271 Double free of table when inplace alter
+--echo #        FTS add index fails
+--echo #
+call mtr.add_suppression("InnoDB: Operating system error number .* in a file operation.");
+call mtr.add_suppression("InnoDB: Error number .* means");
+call mtr.add_suppression("InnoDB: Cannot create file");
+call mtr.add_suppression("InnoDB: Failed to create");
+
+let MYSQLD_DATADIR=`select @@datadir`;
+CREATE TABLE t1(a TEXT, FTS_DOC_ID BIGINT UNSIGNED NOT NULL UNIQUE) ENGINE=InnoDB;
+let $fts_aux_file= `select concat('FTS_',right(concat(repeat('0',16), lower(hex(TABLE_ID))),16),'_BEING_DELETED.ibd') FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME='test/t1'`;
+write_file $MYSQLD_DATADIR/test/$fts_aux_file;
+EOF
+--error ER_GET_ERRNO
+ALTER TABLE t1 ADD FULLTEXT(a), ALGORITHM=INPLACE;
+DROP TABLE t1;
+remove_file $MYSQLD_DATADIR/test/$fts_aux_file;
+
 # Add more than one FTS index
 CREATE TABLE t1 (a VARCHAR(3)) ENGINE=InnoDB;
 ALTER TABLE t1 ADD FULLTEXT KEY(a), ADD COLUMN b VARCHAR(3), ADD FULLTEXT KEY(b);
diff --git a/mysql-test/suite/innodb_fts/t/misc_debug.test b/mysql-test/suite/innodb_fts/t/misc_debug.test
index 461e3f1d9d4..90cb84976ce 100644
--- a/mysql-test/suite/innodb_fts/t/misc_debug.test
+++ b/mysql-test/suite/innodb_fts/t/misc_debug.test
@@ -83,3 +83,18 @@ ALTER TABLE t1 ADD bl INT AS (LENGTH(b)) VIRTUAL;
 CHECK TABLE t1;
 DROP TABLE t1;
 --source include/wait_until_count_sessions.inc
+
+--echo #
+--echo # MDEV-25663 Double free of transaction during TRUNCATE
+--echo #
+call mtr.add_suppression("InnoDB: \\(Too many concurrent transactions\\)");
+SET DEBUG_DBUG='-d,ib_create_table_fail_too_many_trx';
+
+CREATE TABLE t1 (b CHAR(12), FULLTEXT KEY(b)) engine=InnoDB;
+SET @save_dbug= @@debug_dbug;
+SET debug_dbug='+d,ib_create_table_fail_too_many_trx';
+--error ER_GET_ERRNO
+TRUNCATE t1;
+SET debug_dbug=@save_dbug;
+DROP TABLE t1;
+--echo # End of 10.3 tests
diff --git a/mysql-test/suite/perfschema/r/hostcache_ipv4_auth_ed25519.result b/mysql-test/suite/perfschema/r/hostcache_ipv4_auth_ed25519.result
new file mode 100644
index 00000000000..fdb2c53fcf3
--- /dev/null
+++ b/mysql-test/suite/perfschema/r/hostcache_ipv4_auth_ed25519.result
@@ -0,0 +1,121 @@
+install soname 'auth_ed25519';
+flush status;
+flush hosts;
+flush user_resources;
+flush privileges;
+select `User`, `Host` from mysql.`user` where `host` like '%\\%%';
+User	Host
+select `User`, `Host` from mysql.`user` where `user` like '192.%';
+User	Host
+select `User`, `Host` from mysql.`user` where `user` like '2001:%';
+User	Host
+select `User`, `Host` from mysql.`user` where `user` like 'santa.claus.%';
+User	Host
+create user plug1@'santa.claus.ipv4.example.com'
+  identified with ed25519;
+update mysql.global_priv set priv=json_set(priv, '$.authentication_string', 'foo') where user='plug1';
+flush privileges;
+create user plug2@'santa.claus.ipv4.example.com'
+  identified with ED25519 as 'vubFBzIrapbfHct1/J72dnUryz5VS7lA6XHH8sIx4TI';
+set @saved_dbug = @@global.debug_dbug;
+set global debug_dbug= "+d,vio_peer_addr_fake_ipv4,getnameinfo_fake_ipv4,getaddrinfo_fake_good_ipv4";
+connect(127.0.0.1,plug1,foo,test,PORT,SOCKET);
+connect con1, 127.0.0.1, plug1,foo,,$MASTER_MYPORT;
+ERROR 28000: Access denied for user 'plug1'@'santa.claus.ipv4.example.com' (using password: YES)
+"Dumping performance_schema.host_cache"
+IP	192.0.2.4
+HOST	santa.claus.ipv4.example.com
+HOST_VALIDATED	YES
+SUM_CONNECT_ERRORS	1
+COUNT_HOST_BLOCKED_ERRORS	0
+COUNT_NAMEINFO_TRANSIENT_ERRORS	0
+COUNT_NAMEINFO_PERMANENT_ERRORS	0
+COUNT_FORMAT_ERRORS	0
+COUNT_ADDRINFO_TRANSIENT_ERRORS	0
+COUNT_ADDRINFO_PERMANENT_ERRORS	0
+COUNT_FCRDNS_ERRORS	0
+COUNT_HOST_ACL_ERRORS	0
+COUNT_NO_AUTH_PLUGIN_ERRORS	0
+COUNT_AUTH_PLUGIN_ERRORS	0
+COUNT_HANDSHAKE_ERRORS	1
+COUNT_PROXY_USER_ERRORS	0
+COUNT_PROXY_USER_ACL_ERRORS	0
+COUNT_AUTHENTICATION_ERRORS	0
+COUNT_SSL_ERRORS	0
+COUNT_MAX_USER_CONNECTIONS_ERRORS	0
+COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
+COUNT_DEFAULT_DATABASE_ERRORS	0
+COUNT_INIT_CONNECT_ERRORS	0
+COUNT_LOCAL_ERRORS	0
+COUNT_UNKNOWN_ERRORS	0
+FIRST_ERROR_SEEN	set
+LAST_ERROR_SEEN	set
+connect(127.0.0.1,plug2,bar,test,PORT,SOCKET);
+connect con1, 127.0.0.1, plug2,bar,,$MASTER_MYPORT;
+ERROR 28000: Access denied for user 'plug2'@'santa.claus.ipv4.example.com' (using password: YES)
+"Dumping performance_schema.host_cache"
+IP	192.0.2.4
+HOST	santa.claus.ipv4.example.com
+HOST_VALIDATED	YES
+SUM_CONNECT_ERRORS	1
+COUNT_HOST_BLOCKED_ERRORS	0
+COUNT_NAMEINFO_TRANSIENT_ERRORS	0
+COUNT_NAMEINFO_PERMANENT_ERRORS	0
+COUNT_FORMAT_ERRORS	0
+COUNT_ADDRINFO_TRANSIENT_ERRORS	0
+COUNT_ADDRINFO_PERMANENT_ERRORS	0
+COUNT_FCRDNS_ERRORS	0
+COUNT_HOST_ACL_ERRORS	0
+COUNT_NO_AUTH_PLUGIN_ERRORS	0
+COUNT_AUTH_PLUGIN_ERRORS	0
+COUNT_HANDSHAKE_ERRORS	1
+COUNT_PROXY_USER_ERRORS	0
+COUNT_PROXY_USER_ACL_ERRORS	0
+COUNT_AUTHENTICATION_ERRORS	1
+COUNT_SSL_ERRORS	0
+COUNT_MAX_USER_CONNECTIONS_ERRORS	0
+COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
+COUNT_DEFAULT_DATABASE_ERRORS	0
+COUNT_INIT_CONNECT_ERRORS	0
+COUNT_LOCAL_ERRORS	0
+COUNT_UNKNOWN_ERRORS	0
+FIRST_ERROR_SEEN	set
+LAST_ERROR_SEEN	set
+connect con1, 127.0.0.1, plug2,foo,,$MASTER_MYPORT;
+select current_user();
+current_user()
+plug2@santa.claus.ipv4.example.com
+disconnect con1;
+connection default;
+"Dumping performance_schema.host_cache"
+IP	192.0.2.4
+HOST	santa.claus.ipv4.example.com
+HOST_VALIDATED	YES
+SUM_CONNECT_ERRORS	0
+COUNT_HOST_BLOCKED_ERRORS	0
+COUNT_NAMEINFO_TRANSIENT_ERRORS	0
+COUNT_NAMEINFO_PERMANENT_ERRORS	0
+COUNT_FORMAT_ERRORS	0
+COUNT_ADDRINFO_TRANSIENT_ERRORS	0
+COUNT_ADDRINFO_PERMANENT_ERRORS	0
+COUNT_FCRDNS_ERRORS	0
+COUNT_HOST_ACL_ERRORS	0
+COUNT_NO_AUTH_PLUGIN_ERRORS	0
+COUNT_AUTH_PLUGIN_ERRORS	0
+COUNT_HANDSHAKE_ERRORS	1
+COUNT_PROXY_USER_ERRORS	0
+COUNT_PROXY_USER_ACL_ERRORS	0
+COUNT_AUTHENTICATION_ERRORS	1
+COUNT_SSL_ERRORS	0
+COUNT_MAX_USER_CONNECTIONS_ERRORS	0
+COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
+COUNT_DEFAULT_DATABASE_ERRORS	0
+COUNT_INIT_CONNECT_ERRORS	0
+COUNT_LOCAL_ERRORS	0
+COUNT_UNKNOWN_ERRORS	0
+FIRST_ERROR_SEEN	set
+LAST_ERROR_SEEN	set
+drop user plug1@'santa.claus.ipv4.example.com';
+drop user plug2@'santa.claus.ipv4.example.com';
+set @@global.debug_dbug = @saved_dbug;
+uninstall plugin ed25519;
diff --git a/mysql-test/suite/perfschema/t/hostcache_ipv4_auth_ed25519.test b/mysql-test/suite/perfschema/t/hostcache_ipv4_auth_ed25519.test
new file mode 100644
index 00000000000..4c68d3af51e
--- /dev/null
+++ b/mysql-test/suite/perfschema/t/hostcache_ipv4_auth_ed25519.test
@@ -0,0 +1,56 @@
+#
+# Tests for the performance_schema host_cache.
+#
+# Test authorization with auth plugins.
+# error reporting in:
+# - column COUNT_AUTH_PLUGIN_ERRORS
+# - column COUNT_PROXY_USER_ERRORS
+# - column COUNT_PROXY_USER_ACL_ERRORS
+
+source include/not_embedded.inc;
+source include/have_debug.inc;
+source include/have_perfschema.inc;
+source include/have_plugin_auth.inc;
+source include/have_hostname_cache.inc;
+
+if (!$AUTH_ED25519_SO) {
+  skip No auth_ed25519 plugin;
+}
+install soname 'auth_ed25519';
+
+# Enforce a clean state
+source ../include/wait_for_pfs_thread_count.inc;
+source ../include/hostcache_set_state.inc;
+
+create user plug1@'santa.claus.ipv4.example.com'
+  identified with ed25519;
+update mysql.global_priv set priv=json_set(priv, '$.authentication_string', 'foo') where user='plug1';
+flush privileges;
+
+create user plug2@'santa.claus.ipv4.example.com'
+  identified with ED25519 as 'vubFBzIrapbfHct1/J72dnUryz5VS7lA6XHH8sIx4TI';
+
+set @saved_dbug = @@global.debug_dbug;
+set global debug_dbug= "+d,vio_peer_addr_fake_ipv4,getnameinfo_fake_ipv4,getaddrinfo_fake_good_ipv4";
+
+replace_result $MASTER_MYPORT PORT $MASTER_MYSOCK SOCKET;
+error ER_ACCESS_DENIED_ERROR;
+connect con1, 127.0.0.1, plug1,foo,,$MASTER_MYPORT;
+source ../include/hostcache_dump.inc;
+
+replace_result $MASTER_MYPORT PORT $MASTER_MYSOCK SOCKET;
+error ER_ACCESS_DENIED_ERROR;
+connect con1, 127.0.0.1, plug2,bar,,$MASTER_MYPORT;
+source ../include/hostcache_dump.inc;
+
+connect con1, 127.0.0.1, plug2,foo,,$MASTER_MYPORT;
+select current_user();
+disconnect con1;
+connection default;
+source ../include/hostcache_dump.inc;
+
+drop user plug1@'santa.claus.ipv4.example.com';
+drop user plug2@'santa.claus.ipv4.example.com';
+
+set @@global.debug_dbug = @saved_dbug;
+uninstall plugin ed25519;