From 32d8f697b178247d59333685e2b476ae91a91606 Mon Sep 17 00:00:00 2001
From: "shingil.kang" <shingil.kang@samsung.com>
Date: Fri, 23 Sep 2016 17:50:37 +0900
Subject: [PATCH] Fixed a buffer underflow which could happen during processing
 sdb shell command.

Change-Id: I0faa48855632d00e18b9e054b4f83e786b24bdd9
Signed-off-by: shingil.kang <shingil.kang@samsung.com>
---
 src/services.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/services.c b/src/services.c
index 2fbcaa7..64cc80b 100644
--- a/src/services.c
+++ b/src/services.c
@@ -563,7 +563,7 @@ static void get_env(char *key, char **env)
         e = buf + (strlen(buf) - 1);
 
         // trim string
-        while(*e == ' ' ||  *e == '\n' || *e == '\t') {
+        while( (e > s) && (*e == ' ' ||  *e == '\n' || *e == '\t')) {
             e--;
         }
         *(e+1) ='\0';
-- 
2.7.4