kumquat-buildroot/package/odhcp6c/0001-dhcpv6-fix-strncpy-bounds.patch
Fabrice Fontaine 0a91cb8534 odhcp6c: fix build with gcc 8
Retrieve and backport upstream patch to fix build with gcc 8

Fixes:
 - http://autobuild.buildroot.org/results/1c6f0d1f2fcd3474af81b3851d875f834a3a0a4f

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2019-01-19 23:14:28 +01:00

29 lines
1.2 KiB
Diff

From 327f73dd7093d04c2dbea13ee30fc3dfafc5e944 Mon Sep 17 00:00:00 2001
From: Hans Dedecker <dedeckeh@gmail.com>
Date: Sat, 21 Apr 2018 13:40:29 +0200
Subject: [PATCH] dhcpv6: fix strncpy bounds
Fixes dhcpv6.c:138:2: error: 'strncpy' specified bound 16 equals destination size [-Werror=stringop-truncation] strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
[Retrieved (and backported) from:
https://github.com/openwrt/odhcp6c/commit/327f73dd7093d04c2dbea13ee30fc3dfafc5e944]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
src/dhcpv6.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 0b3585c..d70d533 100644
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -135,7 +135,7 @@ int init_dhcpv6(const char *ifname, unsigned int options, int sol_timeout)
// Detect interface
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
if (ioctl(sock, SIOCGIFINDEX, &ifr) < 0)
return -1;