From 40c4c9b2ba424b6d434a29cb2f596450eb6da288 Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Thu, 9 Jan 2020 16:45:57 +0900
Subject: [PATCH] Fix potential non-null-terminated string bug

---
 src/UDPConnection.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/UDPConnection.cpp b/src/UDPConnection.cpp
index 54cf423..fd021b3 100644
--- a/src/UDPConnection.cpp
+++ b/src/UDPConnection.cpp
@@ -2907,6 +2907,7 @@ UDPC_IPV6_ADDR_TYPE UDPC_strtoa_link(const char *addrStr, uint32_t *linkId_out)
     else {
         struct ifreq req{{0}, 0, 0};
         std::strncpy(req.ifr_name, linkName, IFNAMSIZ);
+        req.ifr_name[IFNAMSIZ - 1] = 0;
         int socketHandle = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
         if(ioctl(socketHandle, SIOCGIFINDEX, &req) < 0) {
             UDPC_CLEANUPSOCKET(socketHandle);