From fb57dd647f577b5df40380c6f3996443bbe0cf8b Mon Sep 17 00:00:00 2001 From: Jan-Simon Möller Date: Fri, 6 Jan 2017 01:26:50 +0100 Subject: Apply bluetooth/smack patches also to rpi kernel MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This changeset patches the rpi with the needed changes to allow bluetooth to work together with smack. The patches were developed for porter and are a backport of patches submitted for 4.10+ . Bug-AGL: SPEC-293 Change-Id: I96d04a709de6ad7843840d9ae154f041173948a2 Signed-off-by: Jan-Simon Möller --- ...n-smack_known_web-label-for-kernel-thread.patch | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch (limited to 'meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch') diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/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-raspberrypi/recipes-kernel/linux/linux-raspberrypi/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 +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 +Signed-off-by: José Bollo +--- + 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 + -- cgit 1.2.3-korg