diff options
author | Jan-Simon Möller <jsmoeller@linuxfoundation.org> | 2017-01-06 01:26:50 +0100 |
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committer | Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2017-01-06 10:54:03 +0000 |
commit | fb57dd647f577b5df40380c6f3996443bbe0cf8b (patch) | |
tree | 6b42f2cce75559cdecdc3e34ab6738d2916ff9ef /meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch | |
parent | 5dbfea7fd40a029a5067dd9800c3205addd6b798 (diff) |
Apply bluetooth/smack patches also to rpi kernelchinook_3.0.0chinook/3.0.03.0.0
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 <jsmoeller@linuxfoundation.org>
Diffstat (limited to 'meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch')
-rw-r--r-- | meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/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-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 <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 + |