diff --git a/mysql-test/main/func_str.result b/mysql-test/main/func_str.result
index 09ed83dc216..a15a253df0c 100644
--- a/mysql-test/main/func_str.result
+++ b/mysql-test/main/func_str.result
@@ -5332,3 +5332,17 @@ DO OCT(-9223372036854775808);
 #
 # End of 10.5 tests
 #
+#
+# Start of 10.6 tests
+#
+#
+# MDEV-29552 LEFT and RIGHT with big value for parameter 'len' >0 return empty value in view
+#
+create view v1 as select left('hello', 4294967295);
+select * from v1;
+left('hello', 4294967295)
+hello
+drop view v1;
+#
+# End of 10.6 tests
+#
diff --git a/mysql-test/main/func_str.test b/mysql-test/main/func_str.test
index 8a33b8e8d40..ecbc1157c87 100644
--- a/mysql-test/main/func_str.test
+++ b/mysql-test/main/func_str.test
@@ -2380,3 +2380,19 @@ DO OCT(-9223372036854775808);
 --echo #
 --echo # End of 10.5 tests
 --echo #
+
+--echo #
+--echo # Start of 10.6 tests
+--echo #
+
+--echo #
+--echo # MDEV-29552 LEFT and RIGHT with big value for parameter 'len' >0 return empty value in view
+--echo #
+
+create view v1 as select left('hello', 4294967295);
+select * from v1;
+drop view v1;
+
+--echo #
+--echo # End of 10.6 tests
+--echo #
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc
index efcacd0cba0..b4ccc2611a3 100644
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -64,11 +64,14 @@ size_t username_char_length= USERNAME_CHAR_LENGTH;
 static uint32 max_length_for_string(Item *item)
 {
   ulonglong length= item->val_int();
-  /* Note that if value is NULL, val_int() returned 0 */
+  if (item->null_value)
+    return 0;
+  if (length > (ulonglong) LONGLONG_MAX && !item->unsigned_flag)
+    return 0; // Negative
   if (length > (ulonglong) INT_MAX32)
   {
     /* Limit string length to maxium string length in MariaDB (2G) */
-    length= item->unsigned_flag ? (ulonglong) INT_MAX32 : 0;
+    length= (ulonglong) INT_MAX32;
   }
   return (uint32) length;
 }