1 files changed, 3 insertions, 0 deletions

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 2b90a786e475..629019e6f8e9 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -141,6 +141,9 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         if (type == ICMPV6_PKT_TOOBIG) {
                 struct dst_entry *dst = NULL;
 
+                if (!ip6_sk_accept_pmtu(sk))
+                        goto out;
+
                 if (sock_owned_by_user(sk))
                         goto out;
                 if ((1 << sk->sk_state) & (DCCPF_LISTEN | DCCPF_CLOSED))