MDEV-16905 ASAN heap-use-after-free in __interceptor_strnlen / ... / …

…TABLE::verify_constraints upon INSERT into temporary table with CHECK constraint just a test case
MariaDB · Feb 5, 2019 · 2273799 · 2273799
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commit 2273799
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diff --git a/mysql-test/r/check.result b/mysql-test/r/check.result
@@ -95,3 +95,10 @@ Warnings:
 Warning	4025	CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
 alter table t1;
 drop table t1;
+create temporary table t1 (a int default 0, check (a > 0));
+alter table t1 drop constraint if exists non_existing_constraint;
+Warnings:
+Note	1091	Can't DROP CONSTRAINT `non_existing_constraint`; check that it exists
+insert into t1 () values ();
+ERROR 23000: CONSTRAINT `CONSTRAINT_1` failed for `test`.`t1`
+drop table t1;
diff --git a/mysql-test/t/check.test b/mysql-test/t/check.test
@@ -115,3 +115,12 @@ insert into t1 () values ();
 alter ignore table t1 add constraint check (f > 0);
 alter table t1;
 drop table t1;
+
+#
+# MDEV-16905 ASAN heap-use-after-free in __interceptor_strnlen / ... / TABLE::verify_constraints upon INSERT into temporary table with CHECK constraint
+#
+create temporary table t1 (a int default 0, check (a > 0));
+alter table t1 drop constraint if exists non_existing_constraint;
+--error ER_CONSTRAINT_FAILED
+insert into t1 () values ();
+drop table t1;