From dbae4cf8d5030ed73672b8d330dfff585c27c131 Mon Sep 17 00:00:00 2001
From: A13501350 <18516149786@163.com>
Date: Thu, 27 Aug 2026 17:14:20 +0800
Subject: [PATCH] Fix IIS ReadFileChunk: allocate m_dwPageSize bytes instead of
 1

---
 iis/mymodule.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/iis/mymodule.cpp b/iis/mymodule.cpp
index dfaee4b2cb..8137a04494 100644
--- a/iis/mymodule.cpp
+++ b/iis/mymodule.cpp
@@ -302,7 +302,7 @@ HRESULT CMyHttpModule::ReadFileChunk(HTTP_DATA_CHUNK *chunk, char *buf)
 	HRESULT hr = S_OK;
 
     pIoBuffer = (BYTE *)VirtualAlloc(NULL,
-                                        1,
+                                        m_dwPageSize,
                                         MEM_COMMIT | MEM_RESERVE,
                                         PAGE_READWRITE);
     if (pIoBuffer == NULL)