From: sobolevn <mail@sobolevn.me>
Date: Fri, 26 Jun 2026 11:41:55 +0000 (+0300)
Subject: gh-152156: Fix a crash in `interpeters.create` under limited memory conditions (... 
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ad66bf10dbb929bcf8efd889e56a9b9068319ca;p=thirdparty%2FPython%2Fcpython.git

gh-152156: Fix a crash in `interpeters.create` under limited memory conditions (#152163)
---

diff --git a/Misc/NEWS.d/next/Library/2026-06-25-10-07-54.gh-issue-152156.gscPU9.rst b/Misc/NEWS.d/next/Library/2026-06-25-10-07-54.gh-issue-152156.gscPU9.rst
new file mode 100644
index 000000000000..30e561274dc5
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-06-25-10-07-54.gh-issue-152156.gscPU9.rst
@@ -0,0 +1,2 @@
+Fix a possible crash in :func:`concurrent.interpreters.create` under limited
+memory conditions.
diff --git a/Modules/_interpchannelsmodule.c b/Modules/_interpchannelsmodule.c
index 3614890757d6..05957081079d 100644
--- a/Modules/_interpchannelsmodule.c
+++ b/Modules/_interpchannelsmodule.c
@@ -2951,10 +2951,8 @@ channelsmod_create(PyObject *self, PyObject *args, PyObject *kwds)
                            &cidobj);
     if (handle_channel_error(err, self, cid)) {
         assert(cidobj == NULL);
-        err = channel_destroy(&_globals.channels, cid);
-        if (handle_channel_error(err, self, cid)) {
-            // XXX issue a warning?
-        }
+        assert(PyErr_Occurred());
+        (void)channel_destroy(&_globals.channels, cid);
         return NULL;
     }
     assert(cidobj != NULL);