1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f05099fc5901..051ad481973f 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -479,6 +479,9 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         if (sk == NULL)
                 return;
 
+        if (type == ICMPV6_PKT_TOOBIG)
+                ip6_sk_update_pmtu(skb, sk, info);
+
         np = inet6_sk(sk);
 
         if (!icmpv6_err_convert(type, code, &err) && !np->recverr)