[MDEV-26186] 280 Bytes lost in mysys/array.c, mysys/hash.c, sql/sp.cc, sql/sp.cc, sql/item_create.cc, sql/item_create.cc, sql/sql_yacc.yy:10748 when using oracle sql_mode - Jira

Type: Bug
Status: Closed (View Workflow)
Priority: Major
Resolution: Fixed
Affects Version/s: 10.5, 10.6, 10.7(EOL), 10.8(EOL), 10.9(EOL), 10.10(EOL), 10.11
Fix Version/s: 10.8.8, 10.5.22, 10.6.15, 10.9.8, 10.10.6, 10.11.5, 11.0.3, 11.1.2, 11.2.1
Component/s: Server
Labels:

SET sql_mode= 'oracle';

WHILE f(8)<1 DO SELECT 1;

SHUTDOWN;

Leads to:

10.7.0 57f14eab20ae2733eb341f3d293515a10a40bc48 (Optimized)
2021-07-20 18:09:19 0 [Note] /test/MD090721-mariadb-10.7.0-linux-x86_64-opt/bin/mysqld: Shutdown complete
Warning: Memory not freed: 280

10.7.0 57f14eab20ae2733eb341f3d293515a10a40bc48 (Debug)
2021-07-20 18:09:18 0 [Note] /test/MD090721-mariadb-10.7.0-linux-x86_64-dbg/bin/mysqld: Shutdown complete
Warning: Memory not freed: 280
Warning: 280 bytes lost at 0x150bc0022480, allocated by T@0 at 0x55de58a978ba, mysys/array.c:71, mysys/hash.c:98, sql/sp.cc:2324, sql/sp.cc:2639, sql/item_create.cc:2601, sql/item_create.cc:2450, sql/sql_yacc.yy:10748
Memory lost: 280 bytes in 1 chunks
Warning: 280 bytes lost at 0x150bc0022480, allocated by T@0 at sql/sql_parse.cc:10378, mysys/array.c:71, mysys/hash.c:98, sql/sp.cc:2324, sql/sp.cc:2639, sql/item_create.cc:2601, sql/item_create.cc:2450, sql/sql_yacc.yy:10748
Memory lost: 280 bytes in 1 chunks

Present in 10.5 to 10.11, in debug and optimized. Not present in 10.2 to 10.4.

relates to

MDEV-30680 Warning: Memory not freed: 280 on mangled query, LeakSanitizer: detected memory leaks

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