diff options
| -rw-r--r-- | net/ipv6/ip6_output.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 7c76e3d1821..1c6f0fc4369 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1087,9 +1087,11 @@ static inline int ip6_ufo_append_data(struct sock *sk, if (!err) { struct frag_hdr fhdr; - /* specify the length of each IP datagram fragment*/ - skb_shinfo(skb)->gso_size = mtu - fragheaderlen - - sizeof(struct frag_hdr); + /* Specify the length of each IPv6 datagram fragment. + * It has to be a multiple of 8. + */ + skb_shinfo(skb)->gso_size = (mtu - fragheaderlen - + sizeof(struct frag_hdr)) & ~7; skb_shinfo(skb)->gso_type = SKB_GSO_UDP; ipv6_select_ident(skb, &fhdr); skb_shinfo(skb)->ip6_frag_id = fhdr.identification; |