From d1e868879bb8f95b3c2b16d4f8b2560b2a23ff74 Mon Sep 17 00:00:00 2001
From: Leandro Pereira <leandro@hardinfo.org>
Date: Sat, 30 Jul 2016 19:59:14 -0300
Subject: Fix possible buffer overflow while reading HDD temperature

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

(limited to 'hardinfo/socket.c')

diff --git a/hardinfo/socket.c b/hardinfo/socket.c
index 339df30e..40cb8e50 100644
--- a/hardinfo/socket.c
+++ b/hardinfo/socket.c
@@ -96,10 +96,10 @@ int sock_ready_to_write(Socket * s)
 
 int sock_read(Socket * s, gchar * buffer, gint size)
 {
-    if (sock_ready_to_read(s)) {
+    if (size > 2 && sock_ready_to_read(s)) {
 	gint n;
 
-	n = read(s->sock, buffer, size);
+	n = read(s->sock, buffer, size - 1);
 	if (n > 0) {
             buffer[n] = '\0';
         } else {
-- 
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