diff options
| author | Alex Shi <alex.shi@linaro.org> | 2015-03-19 08:57:04 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-03-19 08:57:04 +0800 |
| commit | ba0bfedf4c9cad58f56a7038d1462ffc21cd33df (patch) | |
| tree | bc5582403ad15b835d1b69b2ab81bda44292f3e3 /net/ipv4 | |
| parent | 43e7406efd7822d75c64310461d2cbca0ece19f0 (diff) | |
| parent | 7f4e64246049cef5ae1eca37eec1701a9477799e (diff) | |
Merge tag 'v3.10.72' into linux-linaro-lsklsk-v3.10-15.03linux-linaro-lsk-v3.10
This is the 3.10.72 stable release
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/ip_fragment.c | 11 | ||||
| -rw-r--r-- | net/ipv4/ip_output.c | 3 |
2 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index b66910aaef4d..4c1884fed548 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -678,27 +678,30 @@ EXPORT_SYMBOL(ip_defrag); struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user) { struct iphdr iph; + int netoff; u32 len; if (skb->protocol != htons(ETH_P_IP)) return skb; - if (!skb_copy_bits(skb, 0, &iph, sizeof(iph))) + netoff = skb_network_offset(skb); + + if (skb_copy_bits(skb, netoff, &iph, sizeof(iph)) < 0) return skb; if (iph.ihl < 5 || iph.version != 4) return skb; len = ntohs(iph.tot_len); - if (skb->len < len || len < (iph.ihl * 4)) + if (skb->len < netoff + len || len < (iph.ihl * 4)) return skb; if (ip_is_fragment(&iph)) { skb = skb_share_check(skb, GFP_ATOMIC); if (skb) { - if (!pskb_may_pull(skb, iph.ihl*4)) + if (!pskb_may_pull(skb, netoff + iph.ihl * 4)) return skb; - if (pskb_trim_rcsum(skb, len)) + if (pskb_trim_rcsum(skb, netoff + len)) return skb; memset(IPCB(skb), 0, sizeof(struct inet_skb_parm)); if (ip_defrag(skb, user)) diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index def18547748e..57e745086302 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -845,7 +845,8 @@ static int __ip_append_data(struct sock *sk, cork->length += length; if (((length > mtu) || (skb && skb_has_frags(skb))) && (sk->sk_protocol == IPPROTO_UDP) && - (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len) { + (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len && + (sk->sk_type == SOCK_DGRAM)) { err = ip_ufo_append_data(sk, queue, getfrag, from, length, hh_len, fragheaderlen, transhdrlen, maxfraglen, flags); |