[MDEV-28085] MariaDB SEGV issue - Jira

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Type: Bug
Status: Closed (View Workflow)
Priority: Major
Resolution: Duplicate
Affects Version/s: 10.9.0, 10.2(EOL), 10.3(EOL), 10.4(EOL), 10.5, 10.6, 10.7(EOL), 10.8(EOL)
Fix Version/s: N/A
Component/s: N/A
Labels:
None
Environment:
Linux jie-2 5.4.143-1-pve #1 SMP PVE 5.4.143-1 (Tue, 28 Sep 2021 09:10:37 +0200) x86_64 x86_64 x86_64 GNU/Linux

PoC:

START TRANSACTION WITH CONSISTENT SNAPSHOT ;

CREATE TABLE v3 ( v5 INT ( 16 ) , v4 INT ) ENGINE = MEMORY ;

SELECT v4 IS NULL FROM v3 WHERE '' = 98 ;

ALTER TABLE v3 ADD ( v6 INT DEFAULT ( ( 'x' IN ( 'x' , 'x' , 'x' , CURRENT_USER , SPACE ( 'x' ) , lower ( 'x' ) ) ) + 91 ) ) ;

LOCK TABLE v3 WRITE ;

ALTER TABLE v3 ADD COLUMN ONE INT DEFAULT ( ( ( 'x' = RIGHT ( 'x' , 16 ) ) ) + v4 | CONVERT ( v4 , CHAR ( 23 ) ) ) ;

report (compiled with ASAN):

Thread pointer: 0x62b00015e218

Attempting backtrace. You can use the following information to find out

where mysqld died. If you see no messages after this, something went

terribly wrong...

I am confused that there is no details in the report. There is also no core dump.

duplicates

MDEV-24176 Server crashes after insert in the table with virtual column generated using date_format() and if()

relates to

MDEV-26407 Server crashes in Item_func_in::cleanup/Item::cleanup_processor

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