Index: uspace/srv/net/udp/udp_inet.c
===================================================================
--- uspace/srv/net/udp/udp_inet.c	(revision 695b6ff32cdb5ebb7fa100f5cba53b124a106990)
+++ uspace/srv/net/udp/udp_inet.c	(revision 865b9817d13bfe38c3c0832bbbb859184dcb2e71)
@@ -71,4 +71,7 @@
 
 	udp_received_pdu(pdu);
+
+	/* We don't want udp_pdu_delete() to free dgram->data */
+	pdu->data = NULL;
 	udp_pdu_delete(pdu);