[MDEV-28690] Releasing an not-acquired lock in the create_worker_threads - Jira

Details

Type: Bug
Status: Closed (View Workflow)
Priority: Critical
Resolution: Fixed
Affects Version/s: 10.9.1, 10.3(EOL), 10.4(EOL), 10.5, 10.6, 10.7(EOL), 10.8(EOL)
Fix Version/s: 10.3.36, 10.4.26, 10.5.17, 10.6.9, 10.7.5, 10.8.4, 10.9.2
Component/s: Backup
Labels:
- leak
Environment:
All

Description

There is unlocking of a resource that is not locked, CWE-832, in the method create_worker_threads. That is, when "compress: pthread_create() failed", lock thd->ctrl_mutex is released. Yet, when coming to err branch, the lock is erroneously released again.

Location: https://github.com/MariaDB/server/blob/10.9/extra/mariabackup/ds_compress.cc#L364-L391

Thank you for your checking.

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Assignee:: Marko Mäkelä

Reporter:: Ryan

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 2022-05-29 06:03

Updated:: 2022-07-13 14:55

Resolved:: 2022-05-30 13:11

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