[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Change by Andrew Svetlov : -- resolution: -> fixed status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Mark Shannon added the comment: New changeset d4363d214097b3fca8b7910c2e0e91c8b0873fb2 by Andrew Svetlov in branch 'main': bpo-45813: Drop redundant assertion from frame.clear() (GH-29990) https://github.com/python/cpython/commit/d4363d214097b3fca8b7910c2e0e91c8b0873fb2 --

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Andrew Svetlov added the comment: Pablo, I think https://github.com/python/cpython/pull/29990 should be merged as well before the issue closing. It covers another execution branch. -- resolution: fixed -> status: closed -> open ___ Python

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Change by Andrew Svetlov : -- pull_requests: +28213 pull_request: https://github.com/python/cpython/pull/29990 ___ Python tracker ___

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Change by Pablo Galindo Salgado : -- status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Dennis Sweeney added the comment: I think the PR fixed one case, but the other case (when coro is kept around) still fails an assertion: Python 3.11.0a2+ (heads/main:734ed35383, Nov 29 2021, 19:29:25) [MSC v.1929 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Change by Andrew Svetlov : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Mark Shannon added the comment: New changeset 7fd92a8b7ee5bed28c2681fa38e0a1e76200dd8e by Mark Shannon in branch 'main': bpo-45813: Make sure that frame->generator is NULLed when generator is deallocated. (GH-29700)

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Change by Mark Shannon : -- keywords: +patch pull_requests: +27936 stage: -> patch review pull_request: https://github.com/python/cpython/pull/29700 ___ Python tracker ___

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Change by Mark Shannon : -- assignee: -> Mark.Shannon keywords: +3.11regression priority: normal -> release blocker ___ Python tracker ___

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Mark Shannon added the comment: I'm seeing a similar failure on a debug build of 3.10 as well. ./python Python 3.10.0+ (heads/3.10:9e7a2e4920, Nov 22 2021, 10:51:32) [GCC 9.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> async def f(): ... pass

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Dennis Sweeney added the comment: Even without garbage-collecting the coroutine, we get a failed assertion in debug mode (but no crash with the assertion removed): Python 3.11.0a2+ (heads/main:c8c21bdd19, Nov 21 2021, 13:58:01) [MSC v.1929 64 bit (AMD64)] on win32 Type "help", "copyright",

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Dennis Sweeney added the comment: I think the import is irrelevant (luckily). This still crashes: async def f(): pass frame = f().cr_frame frame.clear() -- ___ Python tracker

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Dennis Sweeney added the comment: I got a crash on Windows in Objects/genobject.c: void _PyGen_Finalize(PyObject *self) { PyGenObject *gen = (PyGenObject *)self; PyObject *res = NULL; PyObject *error_type, *error_value, *error_traceback; if (gen->gi_xframe == NULL ||

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Terry J. Reedy added the comment: The crash in IDLE could be in tcl or any of the extra modules imported by IDLE, such as tkinter and socket. It should be retested on Windows once this appears fixed otherwise. -- ___ Python tracker

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Xinmeng Xia added the comment: Thanks for testing it. Maybe it only crashes on Unix-like operating systems. I also try it on MacOS 11.6.1. with -i to ensure that python survives running the test code. On MacOS, it reports the following crashing information: --- xxm$

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Terry J. Reedy added the comment: On 3.11, both of the last two lines are required for the crash and restart. -- ___ Python tracker ___

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

Terry J. Reedy added the comment: No crash on Windows running in CommandPrompt (using -i to ensure that python survives running the test code): C:\Users\Terry>py -3.10 -i f:/dev/tem/tem.py f:\dev\tem\tem.py:5: RuntimeWarning: coroutine 'f' was never awaited del f RuntimeWarning: Enable

[issue45813] Importing asyncio after deleting a coroutine object and before cleaning it up leads to crashing on Python3.11

New submission from Xinmeng Xia : The following crashing can only reproduce on Python3.11. In this case, we import "asyncio" after deleting a coroutine object and before cleaning it up, leading to crashing. test.py === async def f(): pass f = f() frame = f.cr_frame