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Bug 483285

Summary:	fix oops when using skb_seq_read
Product:	Red Hat Enterprise Linux 5	Reporter:	Mike Christie <mchristi>
Component:	kernel	Assignee:	Mike Christie <mchristi>
Status:	CLOSED ERRATA	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	medium	Docs Contact:
Priority:	high
Version:	5.4	CC:	emcnabb, qcai
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2009-09-02 08:31:00 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	483701

Description Mike Christie 2009-01-30 17:38:34 UTC

Description of problem:


Drivers like iscsi that use skb_seq_read will oops when network drivers like ixgbe link skbs and use LRO.



Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:

The fixes are in the network maintiner's tree here:

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=71b3346d182355f19509fadb8fe45114a35cc499

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=95e3b24cfb4ec0479d2c42f7a1780d68063a542a


I would also like to bring in one other fix to that code, so upstream and RHEL match. It is already in linus's tree:

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=5b5a60da281c767196427ce8144deae6ec46b389

Comment 1 RHEL Program Management 2009-02-03 03:41:24 UTC

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 2 RHEL Program Management 2009-02-16 15:23:06 UTC

Updating PM score.

Comment 3 Don Zickus 2009-03-04 20:01:29 UTC

in kernel-2.6.18-133.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Please do NOT transition this bugzilla state to VERIFIED until our QE team
has sent specific instructions indicating when to do so.  However feel free
to provide a comment indicating that this fix has been verified.

Comment 7 errata-xmlrpc 2009-09-02 08:31:00 UTC

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 therefore 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/RHSA-2009-1243.html