diff options
| author | David Stevens <dlstevens@us.ibm.com> | 2014-03-18 12:32:29 -0400 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-04-18 11:07:06 +0200 |
| commit | c72c1e886766c2be276e765fc444c23d2ee1543e (patch) | |
| tree | 838b338387f03ddf6f400dab1e63b8b6ca5a4055 | |
| parent | 6caa13565114dc0b946eba39835bd69ebd508205 (diff) | |
vxlan: fix potential NULL dereference in arp_reduce()
[ Upstream commit 7346135dcd3f9b57f30a5512094848c678d7143e ]
This patch fixes a NULL pointer dereference in the event of an
skb allocation failure in arp_reduce().
Signed-Off-By: David L Stevens <dlstevens@us.ibm.com>
Acked-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
| -rw-r--r-- | drivers/net/vxlan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 32c45c3d820..020fe03f37c 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1212,6 +1212,9 @@ static int arp_reduce(struct net_device *dev, struct sk_buff *skb) neigh_release(n); + if (reply == NULL) + goto out; + skb_reset_mac_header(reply); __skb_pull(reply, skb_network_offset(reply)); reply->ip_summed = CHECKSUM_UNNECESSARY; |