From: sobolevn <mail@sobolevn.me>
Date: Tue, 30 Jun 2026 11:28:17 +0000 (+0300)
Subject: gh-151126: Fix a possible crash during the startup with no memory under `Py_STACKREF_... 
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ecdef1773006529b0fea6639d0effeecbb41679c;p=thirdparty%2FPython%2Fcpython.git

gh-151126: Fix a possible crash during the startup with no memory under `Py_STACKREF_DEBUG` (#152478)
---

diff --git a/Python/pystate.c b/Python/pystate.c
index 29f13e92e0dd..e90642fa882d 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -656,6 +656,9 @@ init_interpreter(PyInterpreterState *interp,
         NULL,
         &alloc
     );
+    if (interp->open_stackrefs_table == NULL) {
+        return _PyStatus_NO_MEMORY();
+    }
 #  ifdef Py_STACKREF_CLOSE_DEBUG
     interp->closed_stackrefs_table = _Py_hashtable_new_full(
         _Py_hashtable_hash_ptr,
@@ -664,6 +667,9 @@ init_interpreter(PyInterpreterState *interp,
         NULL,
         &alloc
     );
+    if (interp->closed_stackrefs_table == NULL) {
+        return _PyStatus_NO_MEMORY();
+    }
 #  endif
     _Py_stackref_associate(interp, Py_None, PyStackRef_None);
     _Py_stackref_associate(interp, Py_False, PyStackRef_False);