From: Marcin Niesluchowski <m.niesluchow@samsung.com>
Date: Tue, 19 Aug 2014 12:26:32 +0000 (+0200)
Subject: Smack: Fix setting label on successful file open
X-Git-Tag: submit/tizen_ivi/20150108.095140~8
X-Git-Url: http://review.tizen.org/git/?p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git;a=commitdiff_plain;h=246e0a911ae3217f8fead1fd6e0a7db4f0968adf

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.

Change-Id: I937d070e1c0cb251f4a0dd3291efbc94be3ca548
Signed-off-by: Marcin Niesluchowski <m.niesluchow@samsung.com>
Signed-off-by: Rafal Krypa <r.krypa@samsung.com>
Origin: git://git.gitorious.org/smack-next/kernel.git# smack-for-3.18
(cherry picked from commit 6047a807302a008d48bd2a4822025b725580c361)

Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
---

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index d347b79..47ed6a4 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);