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  1. MariaDB Server
  2. MDEV-34523

mysqladmin logrotate with SELinux enforced fails

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    Description

      Running mysqladmin from logrotate, which is in the logrotate_t: no matter whether the file is in mysqld_var_run_t or mysqld_db_t, by default it won't work.

      logrotate script:

      /data/bases/log/mariadb.log
      /data/bases/log/slow-queries.log

      { daily rotate 180 missingok compress delaycompress sharedscripts shred postrotate if test -x /usr/bin/mysqladmin && /usr/bin/mysqladmin ping &> /dev/null; then /usr/bin/mysqladmin flush-logs &> /dev/null || true fi endscript }

      In the context of logrotate, the access to the MariaDB socket is denied:

      type=AVC msg=audit(1719876242.096:38931154): avc: denied

      { write }

      for pid=2007545 comm="mysqladmin" name="mysql.sock" dev="dm-6" ino=139 scontext=system_u:system_r:logrotate_t:s0-s0:c0.c1023 tcontext=system_u:object_r:mysqld_db_t:s0 tclass=sock_file permissive=0

      ls -lZ /var/lib/mysql/mysql.sock
      srwxrwxrwx. 1 mysql mysql system_u:object_r:mysqld_db_t:s0 0 Jul 2 18:19 /data/bases/mysql.sock

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            Unassigned Unassigned
            martin.reinhardt@mariadb.com Martin Reinhardt
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