[MDEV-26864] Race condition between transaction commit and undo log truncation Created: 2021-10-20 Updated: 2022-05-10 Resolved: 2021-10-21 |
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| Status: | Closed |
| Project: | MariaDB Server |
| Component/s: | Storage Engine - InnoDB |
| Affects Version/s: | 10.2, 10.3, 10.4, 10.5 |
| Fix Version/s: | 10.2.41, 10.3.32, 10.4.22, 10.5.13, 10.6.3 |
| Type: | Bug | Priority: | Blocker |
| Reporter: | Marko Mäkelä | Assignee: | Marko Mäkelä |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | not-10.6, upstream | ||
| Issue Links: |
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| Description |
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There is a race condition between InnoDB undo tablespace truncation and transaction commit. The transaction is releasing the rollback segment reference prematurely. |
| Comments |
| Comment by Marko Mäkelä [ 2021-10-21 ] |
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This race condition does not affect the MariaDB Server 10.6 series, because the code was restructured before the GA release on a merge of |