From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 18 Jun 2021 06:18:57 +0000 (+0900)
Subject: arp-util: check ifindex and mac address
X-Git-Tag: v249-rc3~17^2~25
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=504bf2b54a4d9f16caaf25425a4879a458aaa2b7;p=thirdparty%2Fsystemd.git

arp-util: check ifindex and mac address
---

diff --git a/src/libsystemd-network/arp-util.c b/src/libsystemd-network/arp-util.c
index d17ae1be04b..9786fccfbd0 100644
--- a/src/libsystemd-network/arp-util.c
+++ b/src/libsystemd-network/arp-util.c
@@ -8,6 +8,7 @@
 #include <netinet/if_ether.h>
 
 #include "arp-util.h"
+#include "ether-addr-util.h"
 #include "fd-util.h"
 #include "unaligned.h"
 #include "util.h"
@@ -115,8 +116,10 @@ static int arp_send_packet(
         ssize_t n;
 
         assert(fd >= 0);
+        assert(ifindex > 0);
         assert(pa != 0);
         assert(ha);
+        assert(!ether_addr_is_null(ha));
 
         memcpy(&arp.arp_sha, ha, ETH_ALEN);
         memcpy(&arp.arp_tpa, &pa, sizeof(pa));