https://github.com/python/cpython/commit/ecdef1773006529b0fea6639d0effeecbb41679c
commit: ecdef1773006529b0fea6639d0effeecbb41679c
branch: main
author: sobolevn <[email protected]>
committer: sobolevn <[email protected]>
date: 2026-06-30T14:28:17+03:00
summary:
gh-151126: Fix a possible crash during the startup with no memory under
`Py_STACKREF_DEBUG` (#152478)
files:
M Python/pystate.c
diff --git a/Python/pystate.c b/Python/pystate.c
index 29f13e92e0dd1f..e90642fa882db7 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);
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