From 7228a19f7e395fb770826ed351cdd838c9798f62 Mon Sep 17 00:00:00 2001
From: Bhuvansh Kataria <bhuvanshkataria@gmail.com>
Date: Wed, 29 Jul 2026 19:49:37 +0000
Subject: [PATCH 1/3] gh-154871: Fix Task.get_context() crash on uninitialized
 Task

---
 Lib/test/test_asyncio/test_tasks.py                         | 4 ++++
 .../Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst  | 3 +++
 Modules/_asynciomodule.c                                    | 6 +++++-
 3 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst

diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py
index 110cd0936c007c..cc74f49522cba6 100644
--- a/Lib/test/test_asyncio/test_tasks.py
+++ b/Lib/test/test_asyncio/test_tasks.py
@@ -2924,6 +2924,10 @@ async def coro():
         with self.assertRaises(AttributeError):
             del task._log_destroy_pending
 
+    def test_get_context_uninitialized(self):
+        task = self.Task.__new__(self.Task)
+        self.assertIsNone(task.get_context())
+
 
 @unittest.skipUnless(hasattr(futures, '_CFuture') and
                      hasattr(tasks, '_CTask'),
diff --git a/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst b/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
new file mode 100644
index 00000000000000..e6e4da35cd70e0
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
@@ -0,0 +1,3 @@
+Fixed a crash in :meth:`_asyncio.Task.get_context` when called on an
+uninitialized task. The method now returns ``None`` instead of crashing the
+interpreter.
diff --git a/Modules/_asynciomodule.c b/Modules/_asynciomodule.c
index 0cd41d0b4c4d0d..debdb66a2315bd 100644
--- a/Modules/_asynciomodule.c
+++ b/Modules/_asynciomodule.c
@@ -2787,7 +2787,11 @@ static PyObject *
 _asyncio_Task_get_context_impl(TaskObj *self)
 /*[clinic end generated code: output=6996f53d3dc01aef input=87c0b209b8fceeeb]*/
 {
-    return Py_NewRef(self->task_context);
+    if (self->task_context) {
+        return Py_NewRef(self->task_context);
+    }
+
+    Py_RETURN_NONE;
 }
 
 /*[clinic input]

From 7891d3e72220d1aaabffa51ea5c47ff30d3200d1 Mon Sep 17 00:00:00 2001
From: Bhuvansh <bhuvanshkataria@gmail.com>
Date: Thu, 30 Jul 2026 01:25:45 +0530
Subject: [PATCH 2/3] Update 2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst

---
 .../Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst b/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
index e6e4da35cd70e0..b761c5b5d2a8ed 100644
--- a/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
+++ b/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
@@ -1,3 +1,3 @@
-Fixed a crash in :meth:`_asyncio.Task.get_context` when called on an
-uninitialized task. The method now returns ``None`` instead of crashing the
-interpreter.
+Fixed a crash in ``_asyncio.Task.get_context()`` when called on an
+uninitialized task. The method now returns ``None`` instead of crashing
+the interpreter.

From 6d980984d03c3bea6899fd2c5a1fc41b113244d6 Mon Sep 17 00:00:00 2001
From: Bhuvansh Kataria <bhuvanshkataria@gmail.com>
Date: Wed, 29 Jul 2026 20:27:16 +0000
Subject: [PATCH 3/3] gh-154871: Address review comments

---
 Lib/test/test_asyncio/test_tasks.py                    | 10 ++++++++--
 .../2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst     |  5 ++---
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py
index cc74f49522cba6..ad9b09857f8fd2 100644
--- a/Lib/test/test_asyncio/test_tasks.py
+++ b/Lib/test/test_asyncio/test_tasks.py
@@ -2924,8 +2924,14 @@ async def coro():
         with self.assertRaises(AttributeError):
             del task._log_destroy_pending
 
-    def test_get_context_uninitialized(self):
-        task = self.Task.__new__(self.Task)
+    def test_get_context_uninitialized_segfault(self):
+        # https://github.com/python/cpython/issues/154871
+
+        class UninitializedTask(self.Task):
+            def __init__(self, *args, **kwargs):
+                pass
+
+        task = UninitializedTask()
         self.assertIsNone(task.get_context())
 
 
diff --git a/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst b/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
index b761c5b5d2a8ed..8f0f1096dfe634 100644
--- a/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
+++ b/Misc/NEWS.d/next/Library/2026-07-29-19-48-59.gh-issue-154871.tgZILS.rst
@@ -1,3 +1,2 @@
-Fixed a crash in ``_asyncio.Task.get_context()`` when called on an
-uninitialized task. The method now returns ``None`` instead of crashing
-the interpreter.
+Fixed a crash in :meth:`asyncio.Task.get_context`
+when called on an uninitialized task.