From 4ead40cf679d896eff3ab14ed7eba86f83d463b0 Mon Sep 17 00:00:00 2001
From: Simon Kelley <simon@thekelleys.org.uk>
Date: Tue, 5 Feb 2013 14:51:14 +0000
Subject: [PATCH] Fix use-after-free

---
 src/dhcp6.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dhcp6.c b/src/dhcp6.c
index 4175732..76aaf87 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -620,10 +620,10 @@ void dhcp_construct_contexts(time_t now)
       if (context->flags & CONTEXT_GC)
 	{
 	  *up = context->next;
-	  free(context);
 	  param.newone = 1; /* include deletion */ 
 	  if (context->flags & CONTEXT_RA_NAME)
-	    param.newname = 1;
+	    param.newname = 1; 
+	  free(context);
 	}
       else
 	up = &context->next;