From b6b8ce18f01ceb4db18cceabb19397c62f9bbe08 Mon Sep 17 00:00:00 2001
From: Ted John <ted@brambles.org>
Date: Wed, 13 Jul 2016 19:57:14 +0100
Subject: [PATCH] Fix #4062: Crash when unable to allocate image table

Check if realloc succeeded.
---
 src/object/ImageTable.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/object/ImageTable.cpp b/src/object/ImageTable.cpp
index a8c81266d5..558ac3ce00 100644
--- a/src/object/ImageTable.cpp
+++ b/src/object/ImageTable.cpp
@@ -44,6 +44,11 @@ void ImageTable::Read(IReadObjectContext * context, IStream * stream)
 
         _dataSize = imageDataSize;
         _data = Memory::Reallocate(_data, _dataSize);
+        if (_data == nullptr)
+        {
+            context->LogError(OBJECT_ERROR_BAD_IMAGE_TABLE, "Image table too large.");
+            throw;
+        }
 
         // Read g1 element headers
         uintptr_t imageDataBase = (uintptr_t)_data;