lkml.org 
[lkml]   [2015]   [Oct]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v11 41/48] xfs: Don't allow unmapped identifiers in richacls
Date
Don't allow acls which contain unmapped identifiers: they are meaningful
for remote file systems only.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.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 73c2d24..4f938b7 100644
--- a/fs/xfs/xfs_richacl.c
+++ b/fs/xfs/xfs_richacl.c
@@ -77,6 +77,10 @@ xfs_set_richacl(struct inode *inode, struct richacl *acl)
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


\
 
 \ /
  Last update: 2015-10-16 17:41    [W:0.283 / U:0.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site