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>
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 71e2b91..8e42800 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -334,7 +334,7 @@
break;
case 'a':
case 'A':
- rule.smk_access |= MAY_READ;
+ rule.smk_access |= MAY_APPEND;
break;
default:
goto out;