Fix crash when an entry was added to the mysql.tables_priv

table with an empty hostname. (Bug #11330)

1 files changed, 8 insertions, 0 deletions

diff --git a/mysql-test/t/grant.test b/mysql-test/t/grant.test
index 1c8fbe0ff0d..d80ef638e79 100644
--- a/mysql-test/t/grant.test
+++ b/mysql-test/t/grant.test
@@ -392,3 +392,11 @@ revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;
 delete from mysql.user where user=_binary'mysqltest_1';
 drop database mysqltest;
 
+#
+# Bug #11330: Entry in tables_priv with host = '' causes crash
+#
+connection default;
+use mysql;
+insert into tables_priv values ('','mysqltest_1','test_table','test_grantor','',CURRENT_TIMESTAMP,'Select','Select');
+flush privileges;
+delete from tables_priv where host = '' and user = 'mysqltest_1';