diff options
Diffstat (limited to 'meta-sota-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch')
-rw-r--r-- | meta-sota-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/meta-sota-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch b/meta-sota-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch deleted file mode 100644 index a1eeac3..0000000 --- a/meta-sota-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch +++ /dev/null | |||
@@ -1,49 +0,0 @@ | |||
1 | From c8bbb0f916de54610513e376070aea531af19dd6 Mon Sep 17 00:00:00 2001 | ||
2 | From: jooseong lee <jooseong.lee@samsung.com> | ||
3 | Date: Thu, 3 Nov 2016 10:55:43 +0100 | ||
4 | Subject: [PATCH 4/4] Smack: Assign smack_known_web label for kernel thread's | ||
5 | MIME-Version: 1.0 | ||
6 | Content-Type: text/plain; charset=UTF-8 | ||
7 | Content-Transfer-Encoding: 8bit | ||
8 | |||
9 | Assign smack_known_web label for kernel thread's socket in the sk_alloc_security hook | ||
10 | |||
11 | Creating struct sock by sk_alloc function in various kernel subsystems | ||
12 | like bluetooth dosen't call smack_socket_post_create(). In such case, | ||
13 | received sock label is the floor('_') label and makes access deny. | ||
14 | |||
15 | Refers-to: https://review.tizen.org/gerrit/#/c/80717/4 | ||
16 | |||
17 | Change-Id: I2e5c9359bfede84a988fd4d4d74cdb9dfdfc52d8 | ||
18 | Signed-off-by: jooseong lee <jooseong.lee@samsung.com> | ||
19 | Signed-off-by: José Bollo <jose.bollo@iot.bzh> | ||
20 | --- | ||
21 | security/smack/smack_lsm.c | 12 ++++++++++-- | ||
22 | 1 file changed, 10 insertions(+), 2 deletions(-) | ||
23 | |||
24 | diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c | ||
25 | index cf8a93f..21651bc 100644 | ||
26 | --- a/security/smack/smack_lsm.c | ||
27 | +++ b/security/smack/smack_lsm.c | ||
28 | @@ -2321,8 +2321,16 @@ static int smack_sk_alloc_security(struct sock *sk, int family, gfp_t gfp_flags) | ||
29 | if (ssp == NULL) | ||
30 | return -ENOMEM; | ||
31 | |||
32 | - ssp->smk_in = skp; | ||
33 | - ssp->smk_out = skp; | ||
34 | + /* | ||
35 | + * Sockets created by kernel threads receive web label. | ||
36 | + */ | ||
37 | + if (unlikely(current->flags & PF_KTHREAD)) { | ||
38 | + ssp->smk_in = &smack_known_web; | ||
39 | + ssp->smk_out = &smack_known_web; | ||
40 | + } else { | ||
41 | + ssp->smk_in = skp; | ||
42 | + ssp->smk_out = skp; | ||
43 | + } | ||
44 | ssp->smk_packet = NULL; | ||
45 | |||
46 | sk->sk_security = ssp; | ||
47 | -- | ||
48 | 2.7.4 | ||
49 | |||