1 files changed, 36 insertions, 0 deletions
diff --git a/mysql-test/main/func_str.test b/mysql-test/main/func_str.test
index 64aca38c115..c122516d756 100644
--- a/mysql-test/main/func_str.test
+++ b/mysql-test/main/func_str.test
@@ -1945,6 +1945,42 @@ SELECT f1,HEX(f2) FROM t1                  WHERE f1='YQ==' AND (f2= from_base64(
 SELECT f1,HEX(f2) FROM t1                  WHERE f1='YQ==' AND (f2= from_base64("Yq==") OR f2= from_base64("YQ=="));
 DROP TABLE t1;
 
+
+--echo #
+--echo # MDEV-18738 ASAN heap-use-after-free in copy_if_not_alloced / copy_fields
+--echo #
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT REPLACE( CAST( CURDATE() AS BINARY ), CURDATE(), REPEAT('a',32) ) AS f FROM t1 GROUP BY f;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT REPLACE( LEFT( CURDATE(), 4), LEFT(CURDATE(),4), REPEAT('a',32) ) AS f FROM t1 GROUP BY f;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT REPLACE(RIGHT(CURDATE(), 4), RIGHT(CURDATE(),4), REPEAT('a',32)) AS f FROM t1 GROUP BY f;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2);
+SELECT REPLACE(SUBSTR(CURDATE(),2,3), SUBSTR(CURDATE(),2,3), REPEAT('a',32)) AS f FROM t1 GROUP BY f;
+DROP TABLE t1;
+
+
+--echo #
+--echo # MDEV-19359 ASAN heap-use-after-free in copy_if_not_alloced / make_sortkey
+--echo #
+
+CREATE TABLE t1 (a INT, b TIME, c TIME);
+INSERT INTO t1 VALUES (NULL,'22:56:45','22:56:45'),(4,'12:51:42','12:51:42');
+SELECT REPLACE( BINARY c, a, b ) f FROM t1 GROUP BY f WITH ROLLUP;
+DROP TABLE t1;
+
+
 --echo #
 --echo # End of 10.1 tests
 --echo #