bgpd: Fixup crash when leaking from default vrf for mpls vpn's

When we get a update on a route that we already have information on from another router and that route has been leaked ensure that we do not crash when trying to releak the code when we may want to modify the as path. Signed-off-by: Donald Sharp <[email protected]>
FRRouting · Sep 17, 2024 · b28ec43 · b28ec43
1 parent d3e76a4
commit b28ec43
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/bgpd/bgp_mplsvpn.c b/bgpd/bgp_mplsvpn.c
@@ -2399,6 +2399,7 @@ static void vpn_leak_to_vrf_update_onevrf(struct bgp *to_bgp,   /* to */
 	 * detection
 	 */
 	if (path_vpn->extra && path_vpn->extra->vrfleak &&
+	    path_vpn->extra->vrfleak->bgp_orig &&
 	    (to_bgp->as != path_vpn->extra->vrfleak->bgp_orig->as)) {
 		new_aspath = aspath_dup(static_attr.aspath);
 		new_aspath =