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  1. MariaDB Server
  2. MDEV-8588

Assertion failure in file ha_innodb.cc line 21140 if at least one encrypted table exists and encryption service is not available




      • start server with file_key_management plugin and a valid key_management_filename, otherwise default options;
      • create an encrypted InnoDB table;
      • shutdown the server;
      • start server without file_key_management plugin (or with an invalid key_management_filename which is basically the same)

      2015-08-09 18:01:14 140240402089824 [ERROR] InnoDB: Tablespace id 7 encrypted but encryption service not available. Can't continue opening tablespace.
      2015-08-09 18:01:14 7f8c43598760  InnoDB: Assertion failure in thread 140240402089824 in file ha_innodb.cc line 21140
      InnoDB: We intentionally generate a memory trap.

      Stack trace from 10.1 afd59b575a75ebbc57f71ce2865fdff85e3e233b

      #3  <signal handler called>
      #4  0x00007f7ad3829165 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
      #5  0x00007f7ad382c3e0 in *__GI_abort () at abort.c:92
      #6  0x00007f7ad655baf0 in ib_logf (level=IB_LOG_LEVEL_FATAL, format=0x7f7ad6c80900 "Tablespace id %ld encrypted but encryption service not available. Can't continue opening tablespace.\n") at 10.1/storage/xtradb/handler/ha_innodb.cc:21140
      #7  0x00007f7ad67a8801 in fil_read_first_page (data_file=13, one_read_already=0, flags=0x7ffeb27fd0a8, space_id=0x7ffeb27fd0a0, min_flushed_lsn=0x7ffeb27fd098, max_flushed_lsn=0x7ffeb27fd098, crypt_data=0x7ffeb27fd0b8) at 10.1/storage/xtradb/fil/fil0fil.cc:2066
      #8  0x00007f7ad67abae2 in fil_open_single_table_tablespace (validate=true, fix_dict=true, id=4, flags=0, tablename=0x7f7ab122c478 "test/t1", path_in=0x0) at 10.1/storage/xtradb/fil/fil0fil.cc:3765
      #9  0x00007f7ad6785da5 in dict_check_tablespaces_and_store_max_id (dict_check=DICT_CHECK_NONE_LOADED) at 10.1/storage/xtradb/dict/dict0load.cc:1171
      #10 0x00007f7ad66a8656 in innobase_start_or_create_for_mysql () at 10.1/storage/xtradb/srv/srv0start.cc:2592
      #11 0x00007f7ad653e9d4 in innobase_init (p=0x7f7ad2c2e270) at 10.1/storage/xtradb/handler/ha_innodb.cc:4101
      #12 0x00007f7ad63cdd56 in ha_initialize_handlerton (plugin=0x7f7ad2d756e8) at 10.1/sql/handler.cc:513
      #13 0x00007f7ad61b44cc in plugin_initialize (tmp_root=0x7ffeb2801750, plugin=0x7f7ad2d756e8, argc=0x7f7ad7476430, argv=0x7f7ad2c1e6a0, options_only=false) at 10.1/sql/sql_plugin.cc:1407
      #14 0x00007f7ad61b509e in plugin_init (argc=0x7f7ad7476430, argv=0x7f7ad2c1e6a0, flags=2) at 10.1/sql/sql_plugin.cc:1680
      #15 0x00007f7ad6097fe4 in init_server_components () at 10.1/sql/mysqld.cc:5160
      #16 0x00007f7ad6098f7c in mysqld_main (argc=11, argv=0x7f7ad2c1e6a0) at 10.1/sql/mysqld.cc:5717
      #17 0x00007f7ad608e800 in main (argc=11, argv=0x7ffeb28024a8) at 10.1/sql/main.cc:25

      I would expect that the table could not be read, but crashing on startup because there is an unreadable user table (not a system table!) seems to be an overkill.
      Also,[ documentation|https://mariadb.com/kb/en/mariadb/data-at-rest-encryption/#file_key_management_filename] suggests otherwise:

      If the key file can not be read at server startup, for example if the file key is not present, the encryption will not work and encrypted tables will be unreadable.


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              jplindst Jan Lindström (Inactive)
              elenst Elena Stepanova
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