From: Donald Sharp <sharpd@cumulusnetworks.com>
Date: Tue, 2 Apr 2019 18:15:49 +0000 (-0400)
Subject: pimd: Zero out nhop being used
X-Git-Tag: 7.1_pulled~77^2~4
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=2ccc414b19c9c2115fae5b2c36c69b480b7cfcd9;p=mirror%2Ffrr.git

pimd: Zero out nhop being used

Zero out the lookup nexthop for usage, prevent a crash.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
---

diff --git a/pimd/pim_nht.c b/pimd/pim_nht.c
index 5e550dfe85..31051cf731 100644
--- a/pimd/pim_nht.c
+++ b/pimd/pim_nht.c
@@ -899,6 +899,8 @@ int pim_ecmp_fib_lookup_if_vif_index(struct pim_instance *pim,
 	if (PIM_DEBUG_PIM_NHT)
 		pim_inet4_dump("<addr?>", src->u.prefix4, addr_str,
 			       sizeof(addr_str));
+
+	memset(&nhop, 0, sizeof(nhop));
 	if (!pim_ecmp_nexthop_lookup(pim, &nhop, src, grp, 0)) {
 		if (PIM_DEBUG_PIM_NHT)
 			zlog_debug(