From 24aef4fbf141afe79e016f7097ef0d67f026b9b7 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Mon, 6 Aug 2018 09:19:45 +0200
Subject: [PATCH] sftp: Add missing size checks

CID 1238630

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/sftp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sftp.c b/src/sftp.c
index 3dd4c60e..640d1a0f 100644
--- a/src/sftp.c
+++ b/src/sftp.c
@@ -355,7 +355,7 @@ sftp_packet sftp_packet_read(sftp_session sftp) {
   ssh_buffer_get_u8(packet->payload, &packet->type);
 
   size = ntohl(tmp);
-  if (size == 0) {
+  if (size == 0 || size > UINT32_MAX) {
     return packet;
   }
   size--;