From 915facad2232ff68b740ad698d9cb2b8c2277f6e Mon Sep 17 00:00:00 2001
From: zq301 <zhaoqian301@gmail.com>
Date: Sun, 24 Jan 2016 14:39:48 +0800
Subject: [PATCH] a memory overflow in shell-vars.c

" sprintf(numbuf, "0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x",...)" . the formatted data wrote to "numbuf" is 39 bytes, but numbuf is 32 bytes.
---
 apps/shell/shell-vars.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/shell/shell-vars.c b/apps/shell/shell-vars.c
index b28834f4a..1e562d944 100644
--- a/apps/shell/shell-vars.c
+++ b/apps/shell/shell-vars.c
@@ -90,7 +90,8 @@ PROCESS_THREAD(shell_var_process, ev, data)
 {
   int i;
   int j;
-  char numbuf[32];
+  
+  char numbuf[39];
   
   PROCESS_BEGIN();