From 289ff60cc23ea934c53fde89b5fee6eed0a050a2 Mon Sep 17 00:00:00 2001
From: Scott Mansell <phiren@gmail.com>
Date: Sun, 26 Jul 2026 22:22:18 +1200
Subject: [PATCH] GCZ: use 64-bit for m_data_offset

A malicious GCZ file could probably force this to be negative.
Shouldn't cause any issues other than file read failures, but need to fix
because it is causing errors on MSVC.
---
 Source/Core/DiscIO/CompressedBlob.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/Core/DiscIO/CompressedBlob.h b/Source/Core/DiscIO/CompressedBlob.h
index 6f44e77976..712bb93917 100644
--- a/Source/Core/DiscIO/CompressedBlob.h
+++ b/Source/Core/DiscIO/CompressedBlob.h
@@ -72,7 +72,7 @@ private:
   CompressedBlobHeader m_header = {};
   std::vector<u64> m_block_pointers = {};
   std::vector<u32> m_hashes = {};
-  int m_data_offset = 0;
+  u64 m_data_offset = 0;
   File::DirectIOFile m_file = {};
   u64 m_file_size = 0;
   std::vector<u8> m_zlib_buffer = {};