3.2-stable review patch. If anyone has any objections, please let me know.
------------------ From: Sarveshwar Bandi <[email protected]> [ Upstream commit 6caab7b0544e83e6c160b5e80f5a4a7dd69545c7 ] If lower layer driver leaves the ip header in the skb fragment, it needs to be first pulled into skb->data before inspecting ip header length or ip version number. Signed-off-by: Sarveshwar Bandi <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Ben Hutchings <[email protected]> --- net/bridge/br_netfilter.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 577ea5d..7c1745d 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -245,6 +245,9 @@ static int br_parse_ip_options(struct sk_buff *skb) struct net_device *dev = skb->dev; u32 len; + if (!pskb_may_pull(skb, sizeof(struct iphdr))) + goto inhdr_error; + iph = ip_hdr(skb); opt = &(IPCB(skb)->opt); -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
