From ad6c7003e38a9f8bdf8d865fb5fa0f3c03690315 Mon Sep 17 00:00:00 2001
From: Inada Naoki <songofacandy@gmail.com>
Date: Fri, 25 Feb 2022 14:13:14 +0900
Subject: [PATCH] bpo-46606: Remove redundant +1. (GH-31561)

---
 Modules/posixmodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 5e942c43dd6..d3cfc828184 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -8186,7 +8186,7 @@ os_setgroups(PyObject *module, PyObject *groups)
         return NULL;
     }
 
-    gid_t *grouplist = PyMem_New(gid_t, len+1); // Avoid malloc(0)
+    gid_t *grouplist = PyMem_New(gid_t, len);
     for (Py_ssize_t i = 0; i < len; i++) {
         PyObject *elem;
         elem = PySequence_GetItem(groups, i);