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authorWillem de Bruijn <willemb@google.com>2018-05-22 11:34:39 -0400
committerDavid S. Miller <davem@davemloft.net>2018-05-23 14:48:44 -0400
commitff06342cbca0ec2c0d5da8685d2691e2d0e9764a (patch)
treecaf80215af338031f807e099685cd9369ad22343
parentMerge branch 'net-sfp-small-improvements' (diff)
downloadlinux-dev-ff06342cbca0ec2c0d5da8685d2691e2d0e9764a.tar.xz
linux-dev-ff06342cbca0ec2c0d5da8685d2691e2d0e9764a.zip
udp: exclude gso from xfrm paths
UDP GSO delays final datagram construction to the GSO layer. This conflicts with protocol transformations. Fixes: bec1f6f69736 ("udp: generate gso with UDP_SEGMENT") CC: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/udp.c3
-rw-r--r--net/ipv6/udp.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ff4d4ba67735..d71f1f3e1155 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -788,7 +788,8 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4,
return -EINVAL;
if (sk->sk_no_check_tx)
return -EINVAL;
- if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite)
+ if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite ||
+ dst_xfrm(skb_dst(skb)))
return -EIO;
skb_shinfo(skb)->gso_size = cork->gso_size;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 2839c1bd1e58..426c9d2b418d 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1053,7 +1053,8 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,
return -EINVAL;
if (udp_sk(sk)->no_check6_tx)
return -EINVAL;
- if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite)
+ if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite ||
+ dst_xfrm(skb_dst(skb)))
return -EIO;
skb_shinfo(skb)->gso_size = cork->gso_size;