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[3.13.y-ckt,stable] Patch "mac80211: drop unencrypted frames in mesh fwding" has been added to staging queue

Message ID 1428446924-32559-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa April 7, 2015, 10:48 p.m. UTC
This is a note to let you know that I have just added a patch titled

    mac80211: drop unencrypted frames in mesh fwding

to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11-ckt19.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

From e27592fb8fc04271f3be44ba9d8ff51d96befb4a Mon Sep 17 00:00:00 2001
From: Bob Copeland <me@bobcopeland.com>
Date: Mon, 2 Mar 2015 14:28:52 -0500
Subject: mac80211: drop unencrypted frames in mesh fwding

commit d0c22119f574b851e63360c6b8660fe9593bbc3c upstream.

The mesh forwarding path was not checking that data
frames were protected when running an encrypted network;
add the necessary check.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 net/mac80211/rx.c | 3 +++
 1 file changed, 3 insertions(+)

--
1.9.1
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Patch

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index bdd1634..94c9df7 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2079,6 +2079,9 @@  ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 	hdr = (struct ieee80211_hdr *) skb->data;
 	mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);

+	if (ieee80211_drop_unencrypted(rx, hdr->frame_control))
+		return RX_DROP_MONITOR;
+
 	/* frame is in RMC, don't forward */
 	if (ieee80211_is_data(hdr->frame_control) &&
 	    is_multicast_ether_addr(hdr->addr1) &&