Fixed a crash in source address lookup

diff --git a/src/charon/plugins/kernel_netlink/kernel_netlink_net.c b/src/charon/plugins/kernel_netlink/kernel_netlink_net.c
index d9331276c3654089d661dc48a0edb68022200e96..ab2ca7d13a12f75b5e890262ee16735acf93ea1c 100644 (file)
--- a/src/charon/plugins/kernel_netlink/kernel_netlink_net.c
+++ b/src/charon/plugins/kernel_netlink/kernel_netlink_net.c
@@ -861,15 +861,18 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest,
                                {
                                        /* got a source address */
                                        new_src = host_create_from_chunk(msg->rtm_family, rta_src, 0);
-                                       if (get_vip_refcount(this, src))
-                                       {       /* skip source address if it is installed by us */
-                                               new_src->destroy(new_src);
-                                       }
-                                       else
+                                       if (new_src)
                                        {
-                                               DESTROY_IF(src);
-                                               src = new_src;
-                                               best = msg->rtm_dst_len;
+                                               if (get_vip_refcount(this, new_src))
+                                               {       /* skip source address if it is installed by us */
+                                                       new_src->destroy(new_src);
+                                               }
+                                               else
+                                               {
+                                                       DESTROY_IF(src);
+                                                       src = new_src;
+                                                       best = msg->rtm_dst_len;
+                                               }
                                        }
                                        continue;
                                }