mysqld crash double free or corruption
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Percona Server moved to https://jira.percona.com/projects/PS |
Fix Released
|
High
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Unassigned | ||
5.1 |
Fix Released
|
High
|
Unassigned | ||
5.5 |
Fix Released
|
High
|
Unassigned |
Bug Description
We're running Percona-
This system has 2 quad-core cpus ( xeon 5620 ) and 72GB ram
the issue happened a couple times this morning.
we're not sure which query it was running when the crash happened.
I'm attaching the portion of the error log with the backtrace for these crashes
It looks there was a double free in the QueryStripComments class cleanup method?
After the initial crash, there was another crash after it finished the recovery.
It restarted after that crash, and then it crashed again, again in the QueryStripComments cleanup method
the server started again after that crash, and we logged onto mysql and set query_cache_
Related branches
- Stewart Smith (community): Approve
- Laurynas Biveinis: Pending requested
- Alexey Kopytov: Pending requested
-
Diff: 1752 lines (+1210/-418)1 file modifiedpatches/query_cache_enhance.patch (+1210/-418)
- Laurynas Biveinis (community): Disapprove
- Laurynas Biveinis (community): Approve
-
Diff: 67 lines (+27/-1)4 files modifiedPercona-Server/mysql-test/r/percona_bug856404.result (+8/-0)
Percona-Server/mysql-test/t/percona_bug856404-master.opt (+1/-0)
Percona-Server/mysql-test/t/percona_bug856404.test (+15/-0)
Percona-Server/sql/sql_cache.cc (+3/-1)
Changed in percona-server: | |
assignee: | nobody → Oleg Tsarev (tsarev) |
Are you seeing this with current Percona Server releases? I've done a quick audit of the code and this does not currently seem possible. We can reopen this bug if you can reproduce with current Percona Server release.
Thanks for your bug report,
stewart