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SubjectRe: [RFC][PATCH 0/2] Correct behavior for listxattr and 'trusted' xattrs
On Tue, Mar 02, 2010 at 07:01:05PM +1100, James Morris wrote:
> I audited the kernel for users of the trusted xattr namespace, and found
> the following filesystems not checking for CAP_SYS_ADMIN:
>
> - jffs2
> - ocfs2
> - btrfs
> - xfs

Now that everyone felt the consensus is that we need the check I look
into adding it into XFS, but it seems like we already have that check
in xfs_xattr_put_listent:

/*
* Only show root namespace entries if we are actually allowed to
* see them.
*/
if ((flags & XFS_ATTR_ROOT) && !capable(CAP_SYS_ADMIN))
return 0;

Can you send me the testcases where XFs shows trusted attributes?



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