From: Thomas Pedersen <thomas@cozybit.com>
To: linux-wireless@vger.kernel.org
Cc: Javier Cardona <javier@cozybit.com>,
johannes@sipsolutions.net, linville@tuxdriver.com
Subject: [PATCH 1/9] mac80211: Fix RCU pointer dereference in mesh_path_discard_frame()
Date: Wed, 24 Aug 2011 18:40:44 -0700 [thread overview]
Message-ID: <1314236452-7226-2-git-send-email-thomas@cozybit.com> (raw)
In-Reply-To: <1314236452-7226-1-git-send-email-thomas@cozybit.com>
From: Javier Cardona <javier@cozybit.com>
Reported by Pedro Larbig (ASPj)
Signed-off-by: Javier Cardona <javier@cozybit.com>
---
net/mac80211/mesh_pathtbl.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 3c2bcb2..ee35f75 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -991,7 +991,9 @@ void mesh_path_discard_frame(struct sk_buff *skb,
da = hdr->addr3;
ra = hdr->addr1;
+ rcu_read_lock();
mpath = mesh_path_lookup(da, sdata);
+ rcu_read_unlock();
if (mpath)
sn = ++mpath->sn;
mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl, skb->data,
--
1.7.4.1
next prev parent reply other threads:[~2011-08-25 1:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-25 1:40 [PATCH 0/9] mesh fixes Thomas Pedersen
2011-08-25 1:40 ` Thomas Pedersen [this message]
2011-08-25 2:08 ` [PATCH 1/9] mac80211: Fix RCU pointer dereference in mesh_path_discard_frame() Johannes Berg
2011-08-25 18:16 ` Javier Cardona
2011-08-25 18:21 ` Johannes Berg
2011-08-25 18:45 ` Javier Cardona
2011-08-25 18:48 ` Johannes Berg
2011-08-25 19:04 ` Javier Cardona
2011-08-25 1:40 ` [PATCH 2/9] mac80211: Limit amount of HWMP frames and forwarded data packets in queues on mesh interfaces Thomas Pedersen
2011-08-25 5:08 ` Johannes Berg
2011-08-25 17:46 ` Javier Cardona
2011-08-25 1:40 ` [PATCH 3/9] mac80211: Remove mesh paths when an interface is removed Thomas Pedersen
2011-08-25 1:40 ` [PATCH 4/9] mac80211: Improve mpath state locking Thomas Pedersen
2011-08-25 1:40 ` [PATCH 5/9] mac80211: Remove redundant mesh path expiration checks Thomas Pedersen
2011-08-25 1:40 ` [PATCH 6/9] mac80211: Don't iterate twice over all mpaths when once in sufficient Thomas Pedersen
2011-08-25 1:40 ` [PATCH 7/9] mac80211: Consolidate {mesh,mpp}_path_flush into one function Thomas Pedersen
2011-08-25 1:40 ` [PATCH 8/9] mac80211: Don't take the mesh path resize lock when deleting an mpath Thomas Pedersen
2011-08-25 1:40 ` [PATCH 9/9] mac80211: Consolidate mesh path duplicated functions Thomas Pedersen
2011-08-27 0:18 ` [PATCH v2 0/8] mesh fixes Javier Cardona
2011-08-27 0:18 ` [PATCH v2 1/8] mac80211: Fix RCU pointer dereference in mesh_path_discard_frame() Javier Cardona
2011-08-27 0:18 ` [PATCH v2 2/8] mac80211: Remove mesh paths when an interface is removed Javier Cardona
2011-08-27 0:18 ` [PATCH v2 3/8] mac80211: Improve mpath state locking Javier Cardona
2011-08-27 0:18 ` [PATCH v2 4/8] mac80211: Remove redundant mesh path expiration checks Javier Cardona
2011-08-27 0:18 ` [PATCH v2 5/8] mac80211: Don't iterate twice over all mpaths when once in sufficient Javier Cardona
2011-08-27 0:18 ` [PATCH v2 6/8] mac80211: Consolidate {mesh,mpp}_path_flush into one function Javier Cardona
2011-08-29 13:49 ` Johannes Berg
2011-08-29 18:36 ` Javier Cardona
2011-08-29 18:38 ` Johannes Berg
2011-08-27 0:18 ` [PATCH v2 7/8] mac80211: Don't take the mesh path resize lock when deleting an mpath Javier Cardona
2011-08-29 13:49 ` Johannes Berg
2011-08-27 0:18 ` [PATCH v2 8/8] mac80211: Consolidate mesh path duplicated functions Javier Cardona
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