From 5b4de241e6421744d02737a1b8e0200bd27978a3 Mon Sep 17 00:00:00 2001
From: Michael Adam <obnox@samba.org>
Date: Wed, 3 Feb 2016 11:41:23 +0100
Subject: [PATCH] lib:socket: fix CID 1350009 - illegal memory accesses 
 (BUFFER_SIZE_WARNING)

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11735

Pair-Programmed-With: Guenther Deschner <gd@samba.org>

Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
(cherry picked from commit 8b36428b195f6e1d1063f1abccb718f2665d271f)
---
 lib/socket/interfaces.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/socket/interfaces.c b/lib/socket/interfaces.c
index cf094f0..847fa62 100644
--- a/lib/socket/interfaces.c
+++ b/lib/socket/interfaces.c
@@ -140,6 +140,11 @@ static void query_iface_speed_from_name(const char *name, uint64_t *speed)
 		return;
 	}
 
+	if (strlen(name) >= IF_NAMESIZE) {
+		DBG_ERR("Interface name too long.");
+		goto done;
+	}
+
 	strncpy(ifr.ifr_name, name, IF_NAMESIZE);
 
 	ifr.ifr_data = (void *)&edata;
-- 
2.5.0