smackfs load append mode fix

Given just how hard it is to find the code that uses MAY_APPEND
it's probably not a big surprise that this went unnoticed for so
long. The Smack rules loading code is incorrectly setting the
MAY_READ bit when MAY_APPEND is requested.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: James Morris <jmorris@namei.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 71e2b914363..8e42800878f 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -334,7 +334,7 @@ static ssize_t smk_write_load(struct file *file, const char __user *buf,
                 break;
         case 'a':
         case 'A':
-                rule.smk_access |= MAY_READ;
+                rule.smk_access |= MAY_APPEND;
                 break;
         default:
                 goto out;