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  1. MariaDB Server
  2. MDEV-26074

Assertion `!is_thread_specific || (mysqld_server_initialized && thd)' failed upon OPTIMIZE on Aria table

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      SET ARIA_REPAIR_THREADS= 2;
      CREATE TABLE t (f CHAR(8), FULLTEXT KEY(f)) ENGINE=Aria ROW_FORMAT=DYNAMIC;
      INSERT INTO t VALUES ('foo'),('bar'),('baz');
      DELETE FROM t LIMIT 1;
      OPTIMIZE TABLE t;
       
      # Cleanup
      DROP TABLE t;
      

      10.6 add782a1

      mariadbd: /data/src/10.6/sql/mysqld.cc:3619: void my_malloc_size_cb_func(long long int, my_bool): Assertion `!is_thread_specific || (mysqld_server_initialized && thd)' failed.
      210701 19:00:36 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007f6da7d86f36 in __GI___assert_fail (assertion=0x55bae7cdb998 "!is_thread_specific || (mysqld_server_initialized && thd)", file=0x55bae7cda156 "/data/src/10.6/sql/mysqld.cc", line=3619, function=0x55bae7cdb9d8 "void my_malloc_size_cb_func(long long int, my_bool)") at assert.c:101
      #8  0x000055bae6df8726 in my_malloc_size_cb_func (size=65520, is_thread_specific=1 '\001') at /data/src/10.6/sql/mysqld.cc:3619
      #9  0x000055bae7c03fef in my_malloc (key=0, size=65496, my_flags=69648) at /data/src/10.6/mysys/my_malloc.c:108
      #10 0x000055bae7bf64a4 in alloc_root (mem_root=0x7f6d90081ca0, length=24) at /data/src/10.6/mysys/my_alloc.c:244
      #11 0x000055bae7577493 in maria_ft_linearize (wtree=0x7f6da1cbc9e0, mem_root=0x7f6d90081ca0) at /data/src/10.6/storage/maria/ma_ft_parser.c:57
      #12 0x000055bae762bbbd in _ma_ft_parserecord (info=0x7f6d901a3d68, keynr=0, record=0x7f6d90081f90 "\376bar     ", mem_root=0x7f6d90081ca0) at /data/src/10.6/storage/maria/ma_ft_update.c:133
      #13 0x000055bae7624a1f in sort_maria_ft_key_read (sort_param=0x7f6d900817b8, key=0x7f6d84000de0 '\245' <repeats 200 times>...) at /data/src/10.6/storage/maria/ma_check.c:4859
      #14 0x000055bae762e1e3 in _ma_thr_find_all_keys_exec (sort_param=0x7f6d900817b8) at /data/src/10.6/storage/maria/ma_sort.c:471
      #15 0x000055bae762e36b in _ma_thr_find_all_keys (arg=0x7f6d900817b8) at /data/src/10.6/storage/maria/ma_sort.c:526
      #16 0x000055bae7673567 in pfs_spawn_thread (arg=0x55baeab07808) at /data/src/10.6/storage/perfschema/pfs.cc:2201
      #17 0x00007f6da829f609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #18 0x00007f6da7e72293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

      Not reproducible on 10.5.
      No obvious problem on a non-debug build.

      The failure started happening on 10.6 after this commit:

      commit cc125bebfe9d06870cf1b66bd42c730398c8aa30
      Author: Monty
      Date:   Wed Apr 14 13:40:36 2021 +0300
       
          Fix all warnings given by UBSAN
      

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            Assignee:
            monty Michael Widenius
            Reporter:
            elenst Elena Stepanova
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              Updated:

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