From fcc6541fdee2af8005766c3cd4b81e5edd8ae5ea Mon Sep 17 00:00:00 2001
From: Jeremy <jeremy@sturgix.com>
Date: Tue, 1 Dec 2015 12:27:29 -0500
Subject: [PATCH] src/common/compat.c:tor_vasprintf() - changed vsnprintf() to
 tor_vsnprintf() which ensures string is null terminated.

---
 src/common/compat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/compat.c b/src/common/compat.c
index 7d72b4b7fd..6f357530a6 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -580,7 +580,8 @@ tor_vasprintf(char **strp, const char *fmt, va_list args)
     return len;
   }
   strp_tmp = tor_malloc(len+1);
-  r = vsnprintf(strp_tmp, len+1, fmt, args);
+  /* use of tor_vsnprintf() will ensure string is null terminated */
+  r = tor_vsnprintf(strp_tmp, len+1, fmt, args);
   if (r != len) {
     tor_free(strp_tmp);
     *strp = NULL;