From 3fbfd1da2ca1523e078382bf30e9c13c3d1ad938 Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverbeet@codeweavers.com>
Date: Tue, 11 Apr 2023 17:58:01 +0200
Subject: [PATCH] d3dcompiler: Check for minimum bytecode size in
 d3dcompiler_strip_shader().

---
 dlls/d3dcompiler_43/blob.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/d3dcompiler_43/blob.c b/dlls/d3dcompiler_43/blob.c
index 7a76fa0adce..3477469f9c3 100644
--- a/dlls/d3dcompiler_43/blob.c
+++ b/dlls/d3dcompiler_43/blob.c
@@ -367,7 +367,7 @@ static HRESULT d3dcompiler_strip_shader(const void *data, SIZE_T data_size, UINT
         return E_FAIL;
     }
 
-    if (!data || !data_size)
+    if (!data || data_size < DXBC_HEADER_SIZE)
     {
         WARN("Invalid arguments: data %p, data_size %Iu.\n", data, data_size);
         return D3DERR_INVALIDCALL;