MDEV-28613 LeakSanitizer caused by I_S query using LIMIT ROWS EXAMINED

Problem:
========
- InnoDB fails to free the allocated buffer of stored cursor
when information schema query is interrupted.

Solution:
=========
- In case of error handling, information schema query should free
the allocated buffer to store the cursor.

mysql-test/suite/innodb/r/innodb_stats_fetch.result

@@ -150,3 +150,25 @@ max_data_length	0
 index_length	16384
 DROP TABLE test_ps_fetch;
 set @@use_stat_tables = @save_use_stat_tables;
+#
+# MDEV-28613 LeakSanitizer caused by I_S query using LIMIT ROWS EXAMINED
+#
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES LIMIT ROWS EXAMINED 5;
+Warnings:
+Level	Warning
+Code	1931
+Message	Query execution was interrupted. The query exceeded LIMIT ROWS EXAMINED 5. The query result may be incomplete
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES LIMIT ROWS EXAMINED 5;
+Warnings:
+Level	Warning
+Code	1931
+Message	Query execution was interrupted. The query exceeded LIMIT ROWS EXAMINED 5. The query result may be incomplete
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS LIMIT ROWS EXAMINED 5;
+Warnings:
+Level	Warning
+Code	1931
+Message	Query execution was interrupted. The query exceeded LIMIT ROWS EXAMINED 5. The query result may be incomplete
+SELECT SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES LIMIT ROWS EXAMINED 5;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_VIRTUAL LIMIT ROWS EXAMINED 5;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN LIMIT ROWS EXAMINED 5;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS LIMIT ROWS EXAMINED 5;

mysql-test/suite/innodb/t/innodb_stats_fetch.opt

+--innodb_sys_tables
+--innodb_sys_indexes
+--innodb_sys_virtual
+--innodb_sys_foreign
+--innodb_sys_foreign_cols
+--innodb_sys_tablestats
+--innodb_sys_tablespaces

mysql-test/suite/innodb/t/innodb_stats_fetch.test

@@ -81,3 +81,16 @@ FROM information_schema.tables WHERE table_name = 'test_ps_fetch';
 
 DROP TABLE test_ps_fetch;
 set @@use_stat_tables = @save_use_stat_tables;
+
+--echo #
+--echo # MDEV-28613 LeakSanitizer caused by I_S query using LIMIT ROWS EXAMINED
+--echo #
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES LIMIT ROWS EXAMINED 5;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES LIMIT ROWS EXAMINED 5;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESTATS LIMIT ROWS EXAMINED 5;
+--disable_result_log
+SELECT SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES LIMIT ROWS EXAMINED 5;
+--enable_result_log
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_VIRTUAL LIMIT ROWS EXAMINED 5;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN LIMIT ROWS EXAMINED 5;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_FOREIGN_COLS LIMIT ROWS EXAMINED 5;