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  1. MariaDB Server
  2. MDEV-25923

Memory not freed or Assertion `old_flags == ((my_flags & 0x10000U) ? 1 : 0)' failed in my_realloc upon ALTER on Aria table with GIS column

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      --source include/have_sequence.inc
       
      CREATE TABLE t1 (pk INT PRIMARY KEY, a POINT DEFAULT ST_GEOMFROMTEXT('Point(1 1)')) ENGINE=Aria;
      INSERT INTO t1 (pk) SELECT seq FROM seq_1_to_100;
       
      SET SESSION ARIA_REPAIR_THREADS= 2;
      ALTER TABLE t1 ROW_FORMAT=DYNAMIC;
       
      # Cleanup
      DROP TABLE t1;
      

      10.6 193bfdd8 debug

      mariadbd: /data/src/10.6/mysys/my_malloc.c:148: my_realloc: Assertion `old_flags == ((my_flags & 0x10000U) ? 1 : 0)' failed.
      210615 11:30:08 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007f1f3cbf9f36 in __GI___assert_fail (assertion=0x561dd490de20 "old_flags == ((my_flags & 0x10000U) ? 1 : 0)", file=0x561dd490dce0 "/data/src/10.6/mysys/my_malloc.c", line=148, function=0x561dd490de78 <__PRETTY_FUNCTION__.15053> "my_realloc") at assert.c:101
      #8  0x0000561dd4398f01 in my_realloc (key=0, old_point=0x7f1f1c082958, size=131, my_flags=64) at /data/src/10.6/mysys/my_malloc.c:148
      #9  0x0000561dd3d5eaa3 in _ma_alloc_buffer (old_addr=0x7f1f1c082598, old_size=0x7f1f1c082860, new_size=131, flag=0) at /data/src/10.6/storage/maria/ma_open.c:1253
      #10 0x0000561dd3dbb59d in sort_get_next_record (sort_param=0x7f1f1c0820c8) at /data/src/10.6/storage/maria/ma_check.c:5248
      #11 0x0000561dd3dba161 in sort_key_read (sort_param=0x7f1f1c0820c8, key=0x7f1f200010e8 '\245' <repeats 200 times>...) at /data/src/10.6/storage/maria/ma_check.c:4811
      #12 0x0000561dd3dc3b54 in _ma_thr_find_all_keys_exec (sort_param=0x7f1f1c0820c8) at /data/src/10.6/storage/maria/ma_sort.c:471
      #13 0x0000561dd3dc3cdc in _ma_thr_find_all_keys (arg=0x7f1f1c0820c8) at /data/src/10.6/storage/maria/ma_sort.c:526
      #14 0x0000561dd3e08ed9 in pfs_spawn_thread (arg=0x561dd799aab8) at /data/src/10.6/storage/perfschema/pfs.cc:2201
      #15 0x00007f1f3d111609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #16 0x00007f1f3cce5293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

      10.6 193bfdd8 non-debug

      Warning: Memory not freed: 16
      

      The failure apparently appeared in 10.6 after this commit:

      commit cc125bebfe9d06870cf1b66bd42c730398c8aa30
      Author: Monty <monty@mariadb.org>
      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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