From 0a91cb8534ef9d65dd4c9f98e40d6630b3a8611f Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Wed, 16 Jan 2019 20:29:10 +0100 Subject: [PATCH] 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 Signed-off-by: Peter Korsgaard --- .../0001-dhcpv6-fix-strncpy-bounds.patch | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 package/odhcp6c/0001-dhcpv6-fix-strncpy-bounds.patch diff --git a/package/odhcp6c/0001-dhcpv6-fix-strncpy-bounds.patch b/package/odhcp6c/0001-dhcpv6-fix-strncpy-bounds.patch new file mode 100644 index 0000000000..abf5191522 --- /dev/null +++ b/package/odhcp6c/0001-dhcpv6-fix-strncpy-bounds.patch @@ -0,0 +1,28 @@ +From 327f73dd7093d04c2dbea13ee30fc3dfafc5e944 Mon Sep 17 00:00:00 2001 +From: Hans Dedecker +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 +Signed-off-by: Hans Dedecker +[Retrieved (and backported) from: +https://github.com/openwrt/odhcp6c/commit/327f73dd7093d04c2dbea13ee30fc3dfafc5e944] +Signed-off-by: Fabrice Fontaine +--- + 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; + -- 2.30.2