Smack: Fix setting label on successful file open

While opening with CAP_MAC_OVERRIDE file label is not set.
Other calls may access it after CAP_MAC_OVERRIDE is dropped from process.

Signed-off-by: Marcin Niesluchowski <m.niesluchow@samsung.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 16ae8534b14c..7091b46adab2 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -1477,8 +1477,10 @@ static int smack_file_open(struct file *file, const struct cred *cred)
         struct smk_audit_info ad;
         int rc;
 
-        if (smack_privileged(CAP_MAC_OVERRIDE))
+        if (smack_privileged(CAP_MAC_OVERRIDE)) {
+                file->f_security = isp->smk_inode;
                 return 0;
+        }
 
         smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
         smk_ad_setfield_u_fs_path(&ad, file->f_path);