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Bug 568305

Summary: [x86_64]: copy_user_c can zero more data than needed [rhel-5.2.z]
Product: Red Hat Enterprise Linux 5 Reporter: RHEL Program Management <pm-rhel>
Component: kernelAssignee: Jiri Pirko <jpirko>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: medium Docs Contact:
Priority: low    
Version: 5.3CC: anton, dhoward, dzickus, hdong, jpirko, khorenko, moshiro, pm-eus, qcai, rkhan, tao, vmayatsk, yanwang
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-03-17 03:19:02 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: 490938    
Bug Blocks:    
Attachments:
Description Flags
reproduce on kernel 2.6.18-92.el5
none
verify on kernel 2.6.18-92.1.37 none

Description RHEL Program Management 2010-02-25 11:05:30 UTC
This bug has been copied from bug #490938 and has been proposed
to be backported to 5.2 z-stream (EUS).

Comment 3 Jiri Pirko 2010-03-01 15:57:29 UTC
in 2.6.18-92.1.36.el5

Comment 5 yanfu,wang 2010-03-09 03:02:12 UTC
Created attachment 398669 [details]
reproduce on kernel 2.6.18-92.el5

Comment 6 yanfu,wang 2010-03-09 03:03:27 UTC
Created attachment 398670 [details]
verify on kernel 2.6.18-92.1.37

Comment 7 yanfu,wang 2010-03-09 03:04:40 UTC
reproduce on kernel 5.2 GA and verify on kernel 2.6.18-92.1.37, no problem now, these results had been attached.

Comment 9 errata-xmlrpc 2010-03-17 03:19:02 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-2010-0148.html