selinux: prevent rentry into the FS

BUG fix.  Keep us from re-entering the fs when we aren't supposed to.

See discussion at
http://marc.info/?t=120716967100004&r=1&w=2

Signed-off-by: Josef Bacik <jbacik@redhat.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index c2fef7b12dc7..820d07a60ab0 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -180,7 +180,7 @@ static int inode_alloc_security(struct inode *inode)
         struct task_security_struct *tsec = current->security;
         struct inode_security_struct *isec;
 
-        isec = kmem_cache_zalloc(sel_inode_cache, GFP_KERNEL);
+        isec = kmem_cache_zalloc(sel_inode_cache, GFP_NOFS);
         if (!isec)
                 return -ENOMEM;
 
@@ -2429,7 +2429,7 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
                 return -EOPNOTSUPP;
 
         if (name) {
-                namep = kstrdup(XATTR_SELINUX_SUFFIX, GFP_KERNEL);
+                namep = kstrdup(XATTR_SELINUX_SUFFIX, GFP_NOFS);
                 if (!namep)
                         return -ENOMEM;
                 *name = namep;