From 18cf3a27e66dc2e1094dace085d9b41ec122df12 Mon Sep 17 00:00:00 2001
From: Sergey Miryanov <sergey.miryanov@gmail.com>
Date: Wed, 7 May 2025 23:10:42 +0500
Subject: [PATCH] Fix memory leak if error occured in
 _sys_getwindowsversion_from_kernel32

---
 Python/sysmodule.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 00dce4527fbb90..41b9a6b276a3b1 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1670,6 +1670,9 @@ _sys_getwindowsversion_from_kernel32(void)
         !GetFileVersionInfoW(kernel32_path, 0, verblock_size, verblock) ||
         !VerQueryValueW(verblock, L"", (LPVOID)&ffi, &ffi_len)) {
         PyErr_SetFromWindowsErr(0);
+        if (verblock) {
+            PyMem_RawFree(verblock);
+        }
         return NULL;
     }