From: Peter Bierma <zintensitydev@gmail.com>
Date: Tue, 28 Jul 2026 16:06:52 +0000 (-0400)
Subject: gh-154822: Fix racy assertion during finalization (GH-154824)
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cb0f028537448db9457747873f8f4c9e6b607500;p=thirdparty%2FPython%2Fcpython.git

gh-154822: Fix racy assertion during finalization (GH-154824)
---

diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
index 01ca459b2eb2..500a1a1949a5 100644
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -3827,8 +3827,8 @@ handle_thread_shutdown_exception(PyThreadState *tstate)
     assert(tstate != NULL);
     assert(_PyErr_Occurred(tstate));
     PyInterpreterState *interp = tstate->interp;
-    assert(interp->threads.head != NULL);
     _PyEval_StopTheWorld(interp);
+    assert(interp->threads.head != NULL);
 
     // We don't have to worry about locking this because the
     // world is stopped.