From 28e691995a7d14f3001eede5f00f62b9a64d8a69 Mon Sep 17 00:00:00 2001
From: Tom Sepez <tsepez@chromium.org>
Date: Thu, 16 Feb 2017 12:20:13 -0800
Subject: Avoid a potential leak in CPDF_IndirectObjectHolder
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Keep a vector of object superseeded by another object.  These will
no longer be returned from the holder, but it will clean them

Change-Id: If9754ff6614bd79e9de6ce8c3492230435813218
Reviewed-on: https://pdfium-review.googlesource.com/2790
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
---
 core/fpdfapi/parser/cpdf_indirect_object_holder.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'core/fpdfapi/parser/cpdf_indirect_object_holder.h')

diff --git a/core/fpdfapi/parser/cpdf_indirect_object_holder.h b/core/fpdfapi/parser/cpdf_indirect_object_holder.h
index 1b174d8b62..b6d33a3cd5 100644
--- a/core/fpdfapi/parser/cpdf_indirect_object_holder.h
+++ b/core/fpdfapi/parser/cpdf_indirect_object_holder.h
@@ -11,6 +11,7 @@
 #include <memory>
 #include <type_traits>
 #include <utility>
+#include <vector>
 
 #include "core/fpdfapi/parser/cpdf_object.h"
 #include "core/fxcrt/cfx_string_pool_template.h"
@@ -70,6 +71,7 @@ class CPDF_IndirectObjectHolder {
  private:
   uint32_t m_LastObjNum;
   std::map<uint32_t, std::unique_ptr<CPDF_Object>> m_IndirectObjs;
+  std::vector<std::unique_ptr<CPDF_Object>> m_OrphanObjs;
   CFX_WeakPtr<CFX_ByteStringPool> m_pByteStringPool;
 };
 
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