blob: 188e40738a2f9b1259a765b2e7b674f96f235c1d (
plain)
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diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0336422..0bb0ac9 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2166,13 +2166,19 @@ struct sk_buff *tcp_tso_segment(struct s
if (!pskb_may_pull(skb, thlen))
goto out;
- segs = NULL;
- if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST))
- goto out;
-
oldlen = (u16)~skb->len;
__skb_pull(skb, thlen);
+ if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) {
+ /* Packet is from an untrusted source, reset gso_segs. */
+ int mss = skb_shinfo(skb)->gso_size;
+
+ skb_shinfo(skb)->gso_segs = (skb->len + mss - 1) / mss;
+
+ segs = NULL;
+ goto out;
+ }
+
segs = skb_segment(skb, features);
if (IS_ERR(segs))
goto out;
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