From b2ec8567887e5304cf2997fae4a23f09c9b80748 Mon Sep 17 00:00:00 2001
From: AN Long <aisk@users.noreply.github.com>
Date: Wed, 20 May 2026 05:31:00 +0900
Subject: [PATCH] gh-149983: Fix PyErr_NoMemory call without GIL in
 winconsoleio.c (GH-149984) (cherry picked from commit
 3d2aa899bad1c0e274640dc0c4323f1744e73435)

Co-authored-by: AN Long <aisk@users.noreply.github.com>
---
 Modules/_io/winconsoleio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/_io/winconsoleio.c b/Modules/_io/winconsoleio.c
index 950b7fe241ccde..d7e81738828e0c 100644
--- a/Modules/_io/winconsoleio.c
+++ b/Modules/_io/winconsoleio.c
@@ -673,12 +673,13 @@ read_console_w(HANDLE handle, DWORD maxlen, DWORD *readlen) {
             maxlen += 1;
             Py_BLOCK_THREADS
             newbuf = (wchar_t*)PyMem_Realloc(buf, maxlen * sizeof(wchar_t));
-            Py_UNBLOCK_THREADS
             if (!newbuf) {
                 sig = -1;
                 PyErr_NoMemory();
+                Py_UNBLOCK_THREADS
                 break;
             }
+            Py_UNBLOCK_THREADS
             buf = newbuf;
             /* Only advance by n and not BUFSIZ in this case */
             off += n;