diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index daebd93..760dc82 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -490,6 +490,14 @@
 			/* Partially cloned skb? */
 			if (skb_shared(frag))
 				goto slow_path;
+
+			BUG_ON(frag->sk);
+			if (skb->sk) {
+				sock_hold(skb->sk);
+				frag->sk = skb->sk;
+				frag->destructor = sock_wfree;
+				skb->truesize -= frag->truesize;
+			}
 		}
 
 		/* Everything is OK. Generate! */