From 1f8b93686f775588c2febb6d06bb6b9e2260255c Mon Sep 17 00:00:00 2001 From: Joan Lledó Date: Sat, 11 Aug 2018 18:17:10 +0200 Subject: lwip: Fix a buffer overflow and clear compiler warnings GCC 8 new warning -Wstringop-truncation detected some buffer overflows. * lwip/options.c (parse_opt): Fix the buffer overflow. * lwip/pfinet-ops.c (dev_ifconf): Likewise. --- lwip/pfinet-ops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lwip/pfinet-ops.c') diff --git a/lwip/pfinet-ops.c b/lwip/pfinet-ops.c index 56b7dcd1..1af2a3fe 100644 --- a/lwip/pfinet-ops.c +++ b/lwip/pfinet-ops.c @@ -61,7 +61,7 @@ dev_ifconf (struct ifconf *ifc) memset (ifr, 0, sizeof (struct ifreq)); strncpy (ifr->ifr_name, netif_get_state (netif)->devname, - strlen (netif_get_state (netif)->devname) + 1); + sizeof (ifr->ifr_name)-1); saddr->sin_len = sizeof (struct sockaddr_in); saddr->sin_family = AF_INET; saddr->sin_addr.s_addr = netif_ip4_addr (netif)->addr; -- cgit v1.2.3