[MDEV-21858] START/STOP ALL SLAVES does not return access errors Created: 2020-03-02  Updated: 2023-04-27

Status: Open
Project: MariaDB Server
Component/s: Authentication and Privilege System, Replication
Affects Version/s: 10.1, 10.2, 10.3, 10.4
Fix Version/s: 10.4

Type: Bug Priority: Major
Reporter: Elena Stepanova Assignee: Alexander Barkov
Resolution: Unresolved Votes: 0
Labels: None


 Description    

MariaDB [(none)]> show grants;
 
+---------------------------------------+
 
| Grants for u@localhost                |
 
+---------------------------------------+
 
| GRANT USAGE ON *.* TO `u`@`localhost` |
 
+---------------------------------------+
 
1 row in set (0.000 sec)
 
 
 
MariaDB [(none)]> stop slave;
 
ERROR 1045 (28000): Access denied for user 'u'@'localhost' (using password: NO)
 
MariaDB [(none)]> stop all slaves;
 
Query OK, 0 rows affected (0.000 sec)

Same with start all slaves.
The commands don't actually do anything if the user is unprivileged, so there is no security problem, but I suppose they should be returning the error rather than silently do nothing.
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