MDEV-32890 LeakSanitizer errors in mem_heap_create_block_func upon query from...

MDEV-32890  LeakSanitizer errors in mem_heap_create_block_func upon query from I_S.INNODB_SYS_TABLES with LIMIT ROWS EXAMINED

- innodb_sys_tables query fails to free the object which contains
sys_tables information in case of error.

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

@@ -153,6 +153,7 @@ set @@use_stat_tables = @save_use_stat_tables;
 #
 # MDEV-28613 LeakSanitizer caused by I_S query using LIMIT ROWS EXAMINED
 #
+CREATE TABLE t1(f1 VARCHAR(255), FULLTEXT(f1))ENGINE=InnoDB;
 SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES LIMIT ROWS EXAMINED 5;
 Warnings:
 Level	Warning
@@ -172,3 +173,4 @@ SELECT SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES LIMIT ROWS EXAMINED
 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;
+DROP TABLE t1;

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

@@ -85,6 +85,7 @@ set @@use_stat_tables = @save_use_stat_tables;
 --echo #
 --echo # MDEV-28613 LeakSanitizer caused by I_S query using LIMIT ROWS EXAMINED
 --echo #
+CREATE TABLE t1(f1 VARCHAR(255), FULLTEXT(f1))ENGINE=InnoDB;
 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;
@@ -94,3 +95,4 @@ SELECT SPACE FROM INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES LIMIT ROWS EXAMINED
 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;
+DROP TABLE t1;

storage/innobase/handler/i_s.cc

@@ -5070,6 +5070,9 @@ i_s_sys_tables_fill_table(
 				thd, table_rec, tables->table);
 			if (err) {
 				err = i_s_sys_error_handling(err, thd);
+				if (table_rec) {
+					dict_mem_table_free(table_rec);
+				}
 				goto func_exit;
 			}
 		} else {