diff options
| author |   José Bollo <jose.bollo@iot.bzh> | 2017-05-12 16:14:07 +0200 |
|---|---|---|
| committer |   Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2017-05-12 21:53:54 +0000 |
| commit | 0c195f1e4b14db865cd08a03d69982b133ee6fb5 (patch) | |
| tree | 9fc14007a337f20f65995f8a3ee16e277cee2f1e /meta-agl-bsp/meta-rcar-gen3/recipes-kernel | |
| parent | 4755ea39d3310a59530f06a17162c1abb2be6451 (diff) | |
linux-renesas: Applies Smack patch for bluetooth
This patch allows kernel sockets to be used by applications.
Bug-AGL: SPEC-554
Change-Id: Ib3562cb68334500b375b5dd341ead314c438f5e6
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/9371
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-boot-test: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Diffstat (limited to 'meta-agl-bsp/meta-rcar-gen3/recipes-kernel')
2 files changed, 57 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/files/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch b/meta-agl-bsp/meta-rcar-gen3/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-rcar-gen3/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 + diff --git a/meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/linux-renesas_4.9.bbappend b/meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/linux-renesas_4.9.bbappend new file mode 100644 index 000000000..869153212 --- /dev/null +++ b/meta-agl-bsp/meta-rcar-gen3/recipes-kernel/linux/linux-renesas_4.9.bbappend @@ -0,0 +1,8 @@ +FILESEXTRAPATHS_prepend := "${THISDIR}/files:" + +#------------------------------------------------------------------------- +# smack patches for handling bluetooth + +SRC_URI_append_smack = "\ + file://0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch \ +" |