[MDEV-25925] Warning: Memory not freed: 32 on INSERT DELAYED - Jira

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SET sql_mode='TRADITIONAL';

CREATE TABLE t (c BLOB) ENGINE=MyISAM;

INSERT DELAYED INTO t VALUES (''||'');

SHUTDOWN;

Leads to:

10.6.2 6c39eaeb126328e7813b146ecf652d51e4508981 (Debug)
2021-06-15 20:06:25 0 [Note] /test/MD120621-mariadb-10.6.2-linux-x86_64-dbg/bin/mysqld: Shutdown complete

Warning: Memory not freed: 32
Warning: 32 bytes lost at 0x154d240085a0, allocated by T@0 at sql/sql_string.cc:45, sql/field.cc:8603, sql/field.cc:7303, sql/item.cc:6707, sql/sql_type.cc:4345, sql/item.cc:6713, sql/sql_base.cc:8829, sql/sql_base.cc:8882
Memory lost: 32 bytes in 1 chunks
Warning: 32 bytes lost at 0x154d240085a0, allocated by T@0 at sql/sql_string.cc:45, sql/field.cc:8603, sql/field.cc:7303, sql/item.cc:6707, sql/sql_type.cc:4345, sql/item.cc:6713, sql/sql_base.cc:8829, sql/sql_base.cc:8882
Memory lost: 32 bytes in 1 chunks

Affects both debug and optimized builds, from 10.2 to 10.6.
Other versions have different amounts of memory not freed (all less than 32)

relates to

MDEV-24436 INSERT DELAYED leaks memory in 10.5.8

MDEV-24467 Memory not freed after failed INSERT DELAYED

Estimated:

Not Specified

Remaining:

Logged:

5h 20m

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