diff options
author | Karthik Ramanan <a0393906@ti.com> | 2017-01-05 18:01:23 +0530 |
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committer | Karthik Ramanan <a0393906@ti.com> | 2017-01-05 18:04:31 +0530 |
commit | 554f8d394c626d3a151127e67caddc3196e3ffc1 (patch) | |
tree | f87d6aa5792cf619659dd07db5dabdf569c8dd20 /meta-agl-bsp/meta-ti/recipes-kernel/linux/files/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch | |
parent | e48bb054957454cdb5265e27a5680694e272e98a (diff) |
dra7xx-evm: Fix issue with bluetooth pairing
This patch is ported from meta-agl-extra
Commit details below:
commit c50805d25ba95473e8b4d1eb28d1203a328cd77a
Author: José Bollo <jose.bollo@iot.bzh>
Change-Id: I54a40935d6d2bbd9c267985c9e23a14bdffb7a3c
Signed-off-by: Karthik Ramanan <a0393906@ti.com>
Diffstat (limited to 'meta-agl-bsp/meta-ti/recipes-kernel/linux/files/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch')
-rw-r--r-- | meta-agl-bsp/meta-ti/recipes-kernel/linux/files/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-ti/recipes-kernel/linux/files/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch b/meta-agl-bsp/meta-ti/recipes-kernel/linux/files/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch new file mode 100644 index 000000000..a1eeac3d7 --- /dev/null +++ b/meta-agl-bsp/meta-ti/recipes-kernel/linux/files/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch @@ -0,0 +1,49 @@ +From c8bbb0f916de54610513e376070aea531af19dd6 Mon Sep 17 00:00:00 2001 +From: jooseong lee <jooseong.lee@samsung.com> +Date: Thu, 3 Nov 2016 10:55:43 +0100 +Subject: [PATCH 4/4] Smack: Assign smack_known_web label for kernel thread's +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Assign smack_known_web label for kernel thread's socket in the sk_alloc_security hook + +Creating struct sock by sk_alloc function in various kernel subsystems +like bluetooth dosen't call smack_socket_post_create(). In such case, +received sock label is the floor('_') label and makes access deny. + +Refers-to: https://review.tizen.org/gerrit/#/c/80717/4 + +Change-Id: I2e5c9359bfede84a988fd4d4d74cdb9dfdfc52d8 +Signed-off-by: jooseong lee <jooseong.lee@samsung.com> +Signed-off-by: José Bollo <jose.bollo@iot.bzh> +--- + security/smack/smack_lsm.c | 12 ++++++++++-- + 1 file changed, 10 insertions(+), 2 deletions(-) + +diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c +index cf8a93f..21651bc 100644 +--- a/security/smack/smack_lsm.c ++++ b/security/smack/smack_lsm.c +@@ -2321,8 +2321,16 @@ static int smack_sk_alloc_security(struct sock *sk, int family, gfp_t gfp_flags) + if (ssp == NULL) + return -ENOMEM; + +- ssp->smk_in = skp; +- ssp->smk_out = skp; ++ /* ++ * Sockets created by kernel threads receive web label. ++ */ ++ if (unlikely(current->flags & PF_KTHREAD)) { ++ ssp->smk_in = &smack_known_web; ++ ssp->smk_out = &smack_known_web; ++ } else { ++ ssp->smk_in = skp; ++ ssp->smk_out = skp; ++ } + ssp->smk_packet = NULL; + + sk->sk_security = ssp; +-- +2.7.4 + |