meta-agl-bsp/recipes-kernel/linux/linux-4.14/Smack-Handle-CGROUP2-in-the-same-way-that-CGROUP.patch


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

From 63f5acdf097b7baca8d0f7056a037f8811b48aaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Bollo?= <jose.bollo@iot.bzh>
Date: Tue, 27 Feb 2018 17:06:21 +0100
Subject: [PATCH] Smack: Handle CGROUP2 in the same way that CGROUP
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The new file system CGROUP2 isn't actually handled
by smack. This changes makes Smack treat equally
CGROUP and CGROUP2 items.

Signed-off-by: José Bollo <jose.bollo@iot.bzh>
---
 security/smack/smack_lsm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 03fdecba93bb..5d77ed04422c 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3431,6 +3431,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode)
 	if (opt_dentry->d_parent == opt_dentry) {
 		switch (sbp->s_magic) {
 		case CGROUP_SUPER_MAGIC:
+		case CGROUP2_SUPER_MAGIC:
 			/*
 			 * The cgroup filesystem is never mounted,
 			 * so there's no opportunity to set the mount
@@ -3474,6 +3475,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode)
 	switch (sbp->s_magic) {
 	case SMACK_MAGIC:
 	case CGROUP_SUPER_MAGIC:
+	case CGROUP2_SUPER_MAGIC:
 		/*
 		 * Casey says that it's a little embarrassing
 		 * that the smack file system doesn't do
-- 
2.14.3