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Date: Tue, 3 Nov 2015 16:17:20 +0100 From: Andreas Gruenbacher <agruenba@...hat.com> To: Alexander Viro <viro@...iv.linux.org.uk>, "Theodore Ts'o" <tytso@....edu>, Andreas Dilger <adilger.kernel@...ger.ca>, "J. Bruce Fields" <bfields@...ldses.org>, Jeff Layton <jlayton@...chiereds.net>, Trond Myklebust <trond.myklebust@...marydata.com>, Anna Schumaker <anna.schumaker@...app.com>, Dave Chinner <david@...morbit.com>, linux-ext4@...r.kernel.org, xfs@....sgi.com, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org, linux-api@...r.kernel.org Cc: Andreas Gruenbacher <agruenba@...hat.com> Subject: [PATCH v13 44/51] xfs: Don't allow unmapped identifiers in richacls Don't allow acls which contain unmapped identifiers: they are meaningful for remote file systems only. Signed-off-by: Andreas Gruenbacher <agruenba@...hat.com> --- fs/xfs/xfs_richacl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/xfs/xfs_richacl.c b/fs/xfs/xfs_richacl.c index f8f5a62..4a2e21a 100644 --- a/fs/xfs/xfs_richacl.c +++ b/fs/xfs/xfs_richacl.c @@ -78,6 +78,10 @@ __xfs_set_richacl(struct inode *inode, struct richacl *acl, int xflags) if (!acl) return xfs_remove_richacl(inode); + /* Don't allow acls with unmapped identifiers. */ + if (richacl_has_unmapped_identifiers(acl)) + return -EINVAL; + if (richacl_equiv_mode(acl, &mode) == 0) { xfs_set_mode(inode, mode); return xfs_remove_richacl(inode); -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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