Bug 360621 – kernel dm crypt: memory leaks and workqueue memory exhaustion

Bug 360621 - kernel dm crypt: memory leaks and workqueue memory exhaustion

Summary:	kernel dm crypt: memory leaks and workqueue memory exhaustion

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	5.0
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Milan Broz
QA Contact:	Martin Jenner
Docs Contact:

URL:
Whiteboard:
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Depends On:
Blocks:	RHEL5.1-DiskEnc
	Show dependency tree / graph

Reported:	2007-10-31 13:28 EDT by Milan Broz
Modified:	2013-02-28 23:05 EST (History)
CC List:	3 users (show)

See Also:
Fixed In Version:	RHBA-2008-0314
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2008-05-21 11:00:15 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Description Milan Broz 2007-10-31 13:28:52 EDT

There are several bugfixes in upstream dm-crypt code which

- fixes some memory leaks in dm-crypt
  commit 55b42c5ae9c048de25233434afc7b71b01bee9e6
  commit 815f9e32709b014a459919176a4f0feebd42731e

- fixes possible memory exhaustion and deadlock if many io requests are queued
and improves pefrormance on smp system
  commit 9934a8bea2fc67e6f07d74304eca2a91d251bfe8
  commit cabf08e4d3d1181d7c408edae97fb4d1c31518af

- fixes panics on device removal (temporary mapping in cryptsetup)
  commit 80b16c192e469541263d6bfd9177662ceb632ecc

This bugzilla covers backporting of these fixes.

Comment 1 RHEL Product and Program Management 2007-10-31 13:45:32 EDT

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 3 Don Zickus 2007-12-17 14:37:21 EST

in 2.6.18-61.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Comment 6 errata-xmlrpc 2008-05-21 11:00:15 EDT

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2008-0314.html

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