diff --git a/mysql-test/r/func_time.result b/mysql-test/r/func_time.result
index 670754c623e..ba1c6ec57d6 100644
--- a/mysql-test/r/func_time.result
+++ b/mysql-test/r/func_time.result
@@ -2374,3 +2374,13 @@ EXTRACT(HOUR FROM TIME('1 02:00:00'))	EXTRACT(HOUR FROM TIME('26:00:00'))
 SELECT EXTRACT(DAY FROM TIME('1 02:00:00')), EXTRACT(DAY FROM TIME('26:00:00'));
 EXTRACT(DAY FROM TIME('1 02:00:00'))	EXTRACT(DAY FROM TIME('26:00:00'))
 1	1
+#
+# MDEV-5504 Server crashes in String::length on SELECT with MONTHNAME, GROUP BY, ROLLUP
+#
+CREATE TABLE t1 (i INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT 1 FROM t1 GROUP BY MONTHNAME(0) WITH ROLLUP;
+1
+1
+1
+DROP TABLE t1;
diff --git a/mysql-test/r/subselect_mat.result b/mysql-test/r/subselect_mat.result
index ce93f70df63..09271e21c66 100644
--- a/mysql-test/r/subselect_mat.result
+++ b/mysql-test/r/subselect_mat.result
@@ -2037,6 +2037,24 @@ INSERT INTO t1 VALUES (1,3,5),(2,4,6);
 SELECT * FROM t1 WHERE 8 IN (SELECT MIN(pk) FROM t1) AND (pk = a OR pk = b);
 pk	a	b
 DROP TABLE t1;
+# 
+#  MDEV-5368: Server crashes in Item_in_subselect::optimize on 2nd 
+#    execution of PS with IN subqueries, materialization+semijoin
+# 
+CREATE TABLE t1 (a INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(3);
+CREATE TABLE t2 (b INT) ENGINE=MyISAM;
+CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM t2;
+INSERT INTO t2 VALUES (8),(9);
+PREPARE stmt FROM "
+SELECT * FROM t1 WHERE 1 IN ( SELECT b FROM v2 WHERE 2 IN ( SELECT MAX(a) FROM t1 ) )
+";
+EXECUTE stmt;
+a
+EXECUTE stmt;
+a
+DROP TABLE t1, t2;
+DROP VIEW v2;
 # End of 5.3 tests
 #
 # MDEV-5056: Wrong result (extra rows) with materialization+semijoin, IN subqueries
diff --git a/mysql-test/r/subselect_sj_mat.result b/mysql-test/r/subselect_sj_mat.result
index 2ccb108eb38..ba34543c2e3 100644
--- a/mysql-test/r/subselect_sj_mat.result
+++ b/mysql-test/r/subselect_sj_mat.result
@@ -2077,6 +2077,24 @@ INSERT INTO t1 VALUES (1,3,5),(2,4,6);
 SELECT * FROM t1 WHERE 8 IN (SELECT MIN(pk) FROM t1) AND (pk = a OR pk = b);
 pk	a	b
 DROP TABLE t1;
+# 
+#  MDEV-5368: Server crashes in Item_in_subselect::optimize on 2nd 
+#    execution of PS with IN subqueries, materialization+semijoin
+# 
+CREATE TABLE t1 (a INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(3);
+CREATE TABLE t2 (b INT) ENGINE=MyISAM;
+CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM t2;
+INSERT INTO t2 VALUES (8),(9);
+PREPARE stmt FROM "
+SELECT * FROM t1 WHERE 1 IN ( SELECT b FROM v2 WHERE 2 IN ( SELECT MAX(a) FROM t1 ) )
+";
+EXECUTE stmt;
+a
+EXECUTE stmt;
+a
+DROP TABLE t1, t2;
+DROP VIEW v2;
 # End of 5.3 tests
 #
 # MDEV-5056: Wrong result (extra rows) with materialization+semijoin, IN subqueries
diff --git a/mysql-test/t/func_time.test b/mysql-test/t/func_time.test
index d1b26cb478d..40f921325c9 100644
--- a/mysql-test/t/func_time.test
+++ b/mysql-test/t/func_time.test
@@ -1447,3 +1447,12 @@ SELECT EXTRACT(HOUR FROM '1 02:00:00'), EXTRACT(HOUR FROM '26:00:00');
 SELECT EXTRACT(HOUR FROM TIME'1 02:00:00'), EXTRACT(HOUR FROM TIME'26:00:00');
 SELECT EXTRACT(HOUR FROM TIME('1 02:00:00')), EXTRACT(HOUR FROM TIME('26:00:00'));
 SELECT EXTRACT(DAY FROM TIME('1 02:00:00')), EXTRACT(DAY FROM TIME('26:00:00'));
+
+
+--echo #
+--echo # MDEV-5504 Server crashes in String::length on SELECT with MONTHNAME, GROUP BY, ROLLUP
+--echo #
+CREATE TABLE t1 (i INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT 1 FROM t1 GROUP BY MONTHNAME(0) WITH ROLLUP;
+DROP TABLE t1;
diff --git a/mysql-test/t/subselect_sj_mat.test b/mysql-test/t/subselect_sj_mat.test
index 4194c0a9e00..52a73d24822 100644
--- a/mysql-test/t/subselect_sj_mat.test
+++ b/mysql-test/t/subselect_sj_mat.test
@@ -1725,6 +1725,26 @@ INSERT INTO t1 VALUES (1,3,5),(2,4,6);
 SELECT * FROM t1 WHERE 8 IN (SELECT MIN(pk) FROM t1) AND (pk = a OR pk = b);
 DROP TABLE t1;
 
+--echo # 
+--echo #  MDEV-5368: Server crashes in Item_in_subselect::optimize on 2nd 
+--echo #    execution of PS with IN subqueries, materialization+semijoin
+--echo # 
+CREATE TABLE t1 (a INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(3);
+
+CREATE TABLE t2 (b INT) ENGINE=MyISAM;
+CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM t2;
+INSERT INTO t2 VALUES (8),(9);
+
+PREPARE stmt FROM "
+SELECT * FROM t1 WHERE 1 IN ( SELECT b FROM v2 WHERE 2 IN ( SELECT MAX(a) FROM t1 ) )
+";
+
+EXECUTE stmt;
+EXECUTE stmt;
+DROP TABLE t1, t2;
+DROP VIEW v2;
+
 --echo # End of 5.3 tests