ipv4: Return EINVAL when ping_group_range sysctl doesn't map to user ns

[mirror_ubuntu-bionic-kernel.git] / net / sctp / offload.c

diff --git a/net/sctp/offload.c b/net/sctp/offload.c
index 275925b93b2909a32e9a5ab83a16e9b0f5717e24..35bc7106d1827a80f1135fe4797bec36cb7c669a 100644 (file)
--- a/net/sctp/offload.c
+++ b/net/sctp/offload.c
@@ -45,6 +45,9 @@ static struct sk_buff *sctp_gso_segment(struct sk_buff *skb,
        struct sk_buff *segs = ERR_PTR(-EINVAL);
        struct sctphdr *sh;
 
+       if (!(skb_shinfo(skb)->gso_type & SKB_GSO_SCTP))
+               goto out;
+
        sh = sctp_hdr(skb);
        if (!pskb_may_pull(skb, sizeof(*sh)))
                goto out;