[MDEV-29471] Buffer overflow in page_cur_insert_rec_low() Created: 2022-09-06  Updated: 2022-09-06  Resolved: 2022-09-06

Status: Closed
Project: MariaDB Server
Component/s: Storage Engine - InnoDB
Affects Version/s: N/A
Fix Version/s: 10.5.18, 10.6.10, 10.7.6, 10.8.5, 10.9.3, 10.10.2

Type: Bug Priority: Blocker
Reporter: Marko Mäkelä Assignee: Marko Mäkelä
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Problem/Incident
is caused by MDEV-29438 Recovery or backup of instant ALTER T... Closed

 Description   

The fix of MDEV-29438 introduced a failure of the test gcol.innodb_virtual_basic in MemorySanitizer and some AddressSanitizer builds.

The reason is that a record whose size is less than 8 bytes is being compared to the previous infimum record (whose size is 8 bytes).
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