From 60ec4d29019c553451d828fe366c8acc46fc8162 Mon Sep 17 00:00:00 2001
From: Vadim Zhukov <persgray@gmail.com>
Date: Wed, 19 Jul 2017 13:55:08 +0300
Subject: Use size_t instead of int when calling sysctl(3).

Otherwise, it writes sizeof(size_t) bytes to &oldlen, smashing the stack.
---
 plugins-root/check_dhcp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins-root/check_dhcp.c b/plugins-root/check_dhcp.c
index f4c2dafd..ad673237 100644
--- a/plugins-root/check_dhcp.c
+++ b/plugins-root/check_dhcp.c
@@ -323,7 +323,8 @@ int get_hardware_address(int sock,char *interface_name){
 #elif defined(__bsd__)
 						/* King 2004	see ACKNOWLEDGEMENTS */
 
-        int                     mib[6], len;
+        size_t                  len;
+        int                     mib[6];
         char                    *buf;
         unsigned char           *ptr;
         struct if_msghdr        *ifm;
-- 
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