diff options
| author | Mark Brown <[email protected]> | 2023-07-23 22:33:05 +0000 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2023-07-23 22:33:05 +0000 |
| commit | de1b43a57aff8b1808bbfe0402932f9e373d1172 (patch) | |
| tree | 699c828946223aab18a0aab5175e6902a8ce2e42 /net/ipv4/udp_offload.c | |
| parent | ASoC: wm8960: Add DAC filter characteristics selection (diff) | |
| parent | Linux 6.5-rc3 (diff) | |
| download | kernel-de1b43a57aff8b1808bbfe0402932f9e373d1172.tar.gz kernel-de1b43a57aff8b1808bbfe0402932f9e373d1172.zip | |
ASoC: Merge up fixes from mainline
There's several things here that will really help my CI.
Diffstat (limited to 'net/ipv4/udp_offload.c')
| -rw-r--r-- | net/ipv4/udp_offload.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 75aa4de5b731..f402946da344 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -274,13 +274,20 @@ struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb, __sum16 check; __be16 newlen; - if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) - return __udp_gso_segment_list(gso_skb, features, is_ipv6); - mss = skb_shinfo(gso_skb)->gso_size; if (gso_skb->len <= sizeof(*uh) + mss) return ERR_PTR(-EINVAL); + if (skb_gso_ok(gso_skb, features | NETIF_F_GSO_ROBUST)) { + /* Packet is from an untrusted source, reset gso_segs. */ + skb_shinfo(gso_skb)->gso_segs = DIV_ROUND_UP(gso_skb->len - sizeof(*uh), + mss); + return NULL; + } + + if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) + return __udp_gso_segment_list(gso_skb, features, is_ipv6); + skb_pull(gso_skb, sizeof(*uh)); /* clear destructor to avoid skb_segment assigning it to tail */ @@ -388,8 +395,7 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, if (!pskb_may_pull(skb, sizeof(struct udphdr))) goto out; - if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4 && - !skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) return __udp_gso_segment(skb, features, false); mss = skb_shinfo(skb)->gso_size; |