From: Mark Stapp <mjs@cisco.com>
Date: Mon, 1 Apr 2024 17:00:04 +0000 (-0400)
Subject: zebra: don't deref vxlan-vni array
X-Git-Tag: docker/9.1.1~31^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=59b445a07e78b388fc2908bd426ba8584af7217e;p=matthieu%2Ffrr.git

zebra: don't deref vxlan-vni array

Null-check the vxlan-vni array info coming into zebra from
the dataplane.

Signed-off-by: Mark Stapp <mjs@cisco.com>
(cherry picked from commit 75ef259b1dd9273478414ea0684243f535ec8f33)
---

diff --git a/zebra/interface.c b/zebra/interface.c
index 1afd9d5a7d..2e0ec95219 100644
--- a/zebra/interface.c
+++ b/zebra/interface.c
@@ -1800,6 +1800,9 @@ interface_bridge_vxlan_vlan_vni_map_update(struct zebra_dplane_ctx *ctx,
 	vlanid_t vid;
 	int i;
 
+	if (vniarray == NULL)
+		return;
+
 	memset(&vni_start, 0, sizeof(vni_start));
 	memset(&vni_end, 0, sizeof(vni_end));