lkml.org 
[lkml]   [2014]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3.13.y-ckt 06/96] vxlan: fix a free after use
Date
3.13.11-ckt13 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Li RongQing <roy.qing.li@gmail.com>

[ Upstream commit 7a9f526fc3ee49b6034af2f243676ee0a27dcaa8 ]

pskb_may_pull maybe change skb->data and make eth pointer oboslete,
so eth needs to reload

Fixes: 91269e390d062 ("vxlan: using pskb_may_pull as early as possible")
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
drivers/net/vxlan.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 0969176..1812b79 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1893,6 +1893,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
msg->icmph.icmp6_type == NDISC_NEIGHBOUR_SOLICITATION)
return neigh_reduce(dev, skb);
}
+ eth = eth_hdr(skb);
#endif
}

--
1.9.1


\
 
 \ /
  Last update: 2014-12-15 21:21    [W:2.277 / U:0.608 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site