From 9f4f29cbeec4b7eaa822e5377a749d0721853e36 Mon Sep 17 00:00:00 2001
From: Fu Siyuan <siyuan.fu@intel.com>
Date: Tue, 2 Jan 2018 11:44:21 +0800
Subject: [PATCH] NetworkPkg: Check allocated buffer pointer before use.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Sriram Subramanian <sriram-s@hpe.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
---
 NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
index f2239fd8c0..327b4cf1cf 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp6.c
@@ -2,7 +2,7 @@
   Functions implementation related with DHCPv6 for UefiPxeBc Driver.
 
   (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
-  Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
 
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -2030,6 +2030,9 @@ PxeBcDhcp6CallBack (
       SelectAd   = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp6.Packet.Offer;
       *NewPacket = AllocateZeroPool (SelectAd->Size);
       ASSERT (*NewPacket != NULL);
+      if (*NewPacket == NULL) {
+        return EFI_ABORTED;
+      }
       CopyMem (*NewPacket, SelectAd, SelectAd->Size);
     }
     break;
-- 
2.39.2