[MDEV-22392] Race condition on SET GLOBAL innodb_buffer_pool_evict='uncompressed' - Jira

Details

Type: Bug
Status: Closed (View Workflow)
Priority: Major
Resolution: Fixed
Affects Version/s: 5.5(EOL), 10.0(EOL), 10.1(EOL), 10.2(EOL), 10.3(EOL), 10.4(EOL), 10.5
Fix Version/s: 10.1.45, 10.2.32, 10.3.23, 10.4.13, 10.5.3
Component/s: Storage Engine - InnoDB
Labels:
- upstream-fixed

Description

MySQL 5.7.30 includes the fix
Bug#30405531 : I_INNODB_ZIP.BUG16067973 FAILS ON UBSAN WEEKLY-TRUNK
of a race condition between the debug instrumentation SET GLOBAL innodb_buffer_pool_evict='uncompressed'; and buf_LRU_free_block(), which was later renamed to buf_LRU_free_page().

The fix is applicable to MariaDB. It is only affecting debug builds.

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Issue Links

blocks

MDEV-22394 Merge new release of InnoDB 5.7.30 to 10.2

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Activity

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Marko Mäkelä added a comment - 2020-04-28 08:25

Because the code is very different in 5.5, I will not fix it there.

Marko Mäkelä added a comment - 2020-04-28 08:25 Because the code is very different in 5.5, I will not fix it there.

Marko Mäkelä added a comment - 2020-04-28 08:39

The function buf_LRU_free_page() in the XtraDB storage engine of MariaDB 10.1 appears to be following the old buf_LRU_free_block() API. Hence, we can only fix this in InnoDB.

In MariaDB 10.2, XtraDB is not being built any more.

Marko Mäkelä added a comment - 2020-04-28 08:39 The function buf_LRU_free_page() in the XtraDB storage engine of MariaDB 10.1 appears to be following the old buf_LRU_free_block() API. Hence, we can only fix this in InnoDB. In MariaDB 10.2, XtraDB is not being built any more.

People

Assignee:: Marko Mäkelä

Reporter:: Marko Mäkelä

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Dates

Created:: 2020-04-28 07:32

Updated:: 2020-04-28 16:21

Resolved:: 2020-04-28 16:21

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