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Bug 488931

Summary: ACLs on NFS mounted directories disappear
Product: Red Hat Enterprise Linux 4 Reporter: Tomas Smetana <tsmetana>
Component: kernelAssignee: Steve Dickson <steved>
Status: CLOSED ERRATA QA Contact: Petr Beňas <pbenas>
Severity: high Docs Contact:
Priority: high    
Version: 4.7CC: jlayton, pbenas, pstehlik, steved, tao, vgoyal
Target Milestone: rcKeywords: Regression
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-02-16 15:55:26 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: 583726    
Attachments:
Description Flags
Backported patch none

Description Tomas Smetana 2009-03-06 09:15:15 UTC 
Description of problem:
There is a bug in the client-side NFS caching which causes the ACLs on a NFS mounted directories to "disappear".

Version-Release number of selected component (if applicable):
kernel-2.9.9-42.EL and any newer

How reproducible:
always

Steps to Reproduce:
On a server side (whatever system):
1. Create a NFS export: e.g. write into /etc/exports something like this:
/tmp *(rw,no_root_squash)
2. Create a testing directory: mkdir /tmp/test1
3. Change its ACL somehow, e.g.: setfacl -m u:tsmetana:w /tmp/test1

On a client side (RHEL-4):
4. mount -t nfs <server>:/tmp -o rw /mnt/nfs_test
5. cd /mnt/nfs_test/test1
6. getfacl . (the output shows correct ACLs)
7. mkdir dir1
8. getfacl . (this output is different from the previous)

Actual results:
Only the default ACL is shown:
# file: .
# owner: root
# group: root
user::rwx
group::rwx
other::r-x

Expected results:
The correct ACLs is shown:
# file: .
# owner: root
# group: root
user::rwx
user:tsmetana:-w-
group::r-x
mask::rwx
other::r-x

Additional info:
This is a known bug that was fixed in the commit 4814f56d19137b3b9fa8e00e1d332b3683b950de NFSv3: Client-side nfsacl caching fix
Comment 1 Tomas Smetana 2009-03-06 09:16:24 UTC 
Created attachment 334273 [details]
Backported patch
Comment 12 RHEL Program Management 2009-06-05 13:46:54 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 13 Vivek Goyal 2009-08-19 14:45:04 UTC 
Committed in 89.10.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/
Comment 19 Petr Beňas 2010-12-08 15:34:06 UTC 
Reproduced in 89.9.EL and verified in 89.10.EL.
Comment 21 errata-xmlrpc 2011-02-16 15:55:26 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-2011-0263.html