1 files changed, 2 insertions, 0 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 58585748bdac..50678f9a2763 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -634,7 +634,9 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
                 if (!harderr || sk->sk_state != TCP_ESTABLISHED)
                         goto out;
         } else {
+                bh_lock_sock(sk);
                 ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1));
+                bh_unlock_sock(sk);
         }
         sk->sk_err = err;
         sk->sk_error_report(sk);