From: Igor Ryzhov <iryzhov@nfware.com>
Date: Wed, 15 Sep 2021 10:48:29 +0000 (+0300)
Subject: ospf6d: fix possible NULL dereference
X-Git-Tag: base_8.1~61^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=390dce127525f4529cd239af91b8e68c6965b56a;p=matthieu%2Ffrr.git

ospf6d: fix possible NULL dereference

OSPF6_CMD_CHECK_RUNNING doesn't check that ospf6 is not NULL.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
---

diff --git a/ospf6d/ospf6_gr_helper.c b/ospf6d/ospf6_gr_helper.c
index 76496c050f..77eb9e8b39 100644
--- a/ospf6d/ospf6_gr_helper.c
+++ b/ospf6d/ospf6_gr_helper.c
@@ -1155,7 +1155,10 @@ DEFPY(show_ipv6_ospf6_gr_helper,
 	bool detail = false;
 
 	ospf6 = ospf6_lookup_by_vrf_name(VRF_DEFAULT_NAME);
-	OSPF6_CMD_CHECK_RUNNING();
+	if (ospf6 == NULL) {
+		vty_out(vty, "OSPFv3 is not configured\n");
+		return CMD_SUCCESS;
+	}
 
 	if (argv_find(argv, argc, "detail", &idx))
 		detail = true;