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  1. MariaDB Server
  2. MDEV-9729

strange mariadb server auth behavior

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      I have build a rpm from mariadb tarball. When I install it from cent os 7.I encount the following strange behavior :

      MariaDB [(none)]> show grants for lcs;
      +----------------------------------------------------------------------------------------------------+
      | Grants for lcs@%                                                                                   |
      +----------------------------------------------------------------------------------------------------+
      | GRANT USAGE ON *.* TO 'lcs'@'%' IDENTIFIED BY PASSWORD '*C2ECDF0BCD9219C43E8C4781BF515F8F9429EA82' |
      | GRANT ALL PRIVILEGES ON `lcsdb`.* TO 'lcs'@'%'                                                     |
      +----------------------------------------------------------------------------------------------------+
      2 rows in set (0.00 sec)
       
      MariaDB [(none)]> quit
      Bye
      [root@localhost code]# /usr/local/mysql/bin/mysql -ulcs 
      Welcome to the MariaDB monitor.  Commands end with ; or \g.
      Your MariaDB connection id is 542
      Server version: 10.1.12-MariaDB Source distribution
       
      Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.
       
      Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
       
      MariaDB [(none)]> 
      [root@localhost code]# /usr/local/mysql/bin/mysql -ulcs  -plcs
      ERROR 1045 (28000): Access denied for user 'lcs'@'localhost' (using password: YES)
      

      So I have create a user with a password,but I can login without it,moreover,if I try to login with the correct pwd,it fails.

      If I delete the mariadb data dir(/var/lib/mysql) and reinstall the rpm,then everything is normal.

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            Unassigned Unassigned
            cyy chen yuanyuan
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