[Natty] SRU: nfsd4: permit read opens of executable-only files

Brad Figg brad.figg at canonical.com
Fri Dec 16 17:26:05 UTC 2011

On 12/15/2011 12:31 PM, Chris J Arges wrote:
> SRU Justification
> Impact:
> NFSv4 mount point does not allow binary files to run when permissions
> are set to 111.
> Fix:
> Upstream commit a043226bc140a2c1dde162246d68a67e5043e6b2.
> Applies with minor conflicts.
> Testcase:
> Mount a directory using nfsv4. Inside that directory place a binary with
> ---x--x--x permissions. Try to execute the binary. Without this patch it
> will not execute.
> Notes:
> This patch fixes this issue, but requires support from the nfs client as
> well. The Natty version of the client will need additional fixes to
> complete the fix. The upstream maintainer has verified that the kernel
> is doing the right thing. http://comments.gmane.org/gmane.linux.nfs/43028
> Thanks,
> --chris j arges

The SRU justification should be added to the LP Bug.

Brad Figg brad.figg at canonical.com http://www.canonical.com

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