From: Sergey Miryanov <sergey.miryanov@gmail.com>
Date: Thu, 8 May 2025 11:09:20 +0000 (-0700)
Subject: gh-133597: Fix memory leak if error occurred in _sys_getwindowsversion_from_kernel32... 
X-Git-Tag: v3.15.0a1~1835
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ec8fc83a83914d2ae97e52529e98ce63aaf831c;p=thirdparty%2FPython%2Fcpython.git

gh-133597: Fix memory leak if error occurred in _sys_getwindowsversion_from_kernel32 (GH-133598)
---

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 00dce4527fbb..41b9a6b276a3 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;
     }