From dbd80ca0866b451b0b12067610bfd93119495560 Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Mon, 18 Feb 2008 23:24:02 +0000
Subject: [PATCH] fixed bug #1896500 - Exception during compile

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5545 212acab6-be3b-0410-9dea-997c60f758d6
---
 Source/icon.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/icon.cpp b/Source/icon.cpp
index 30bb9bca..71a194df 100644
--- a/Source/icon.cpp
+++ b/Source/icon.cpp
@@ -360,6 +360,11 @@ int generate_unicons_offsets(LPBYTE exeHeader, size_t exeHeaderSize, LPBYTE unin
     {
       offset = re.GetResourceOffsetA(RT_ICON, MAKEINTRESOURCE(icon_index), NSIS_DEFAULT_LANG);
 
+      if (offset > exeHeaderSize)
+      {
+        throw exception("invalid icon offset (possibly compressed icon)");
+      }
+
       size = *(LPDWORD)seeker;
       seeker += sizeof(DWORD);
       *(LPDWORD) seeker = FIX_ENDIAN_INT32(offset);