Type: fix
In ip6_neighbor_probe(), if the interface is not enabled for ip6,
return NULL and skip trying to build a packet.
If the interface is not enabled, its mcast adjacency will be set to
~0 and a seg fault will ensue.
Change-Id: I825c9f40a0d5b2a77f788ac8dbd618138706383d
Signed-off-by: Matthew Smith <mgsmith@netgate.com>
if (!h0)
return NULL;;
+ /* if the interface has been disabled for ip6, later steps to retrieve
+ * an adjacency will result in a segv.
+ */
+ if (!ip6_link_is_enabled (adj->rewrite_header.sw_if_index))
+ return NULL;
+
b0 = vlib_get_buffer (vm, bi0);
hw_if0 = vnet_get_sup_hw_interface (vnm, adj->rewrite_header.sw_if_index);