Segfault with asyncio.base_events.BaseEventLoop when passed a small float to set_debug.

@vstinner

Crash report

It's possible to segfault the interpreter by passing a small float as the enabled parameter of asyncio.base_events.BaseEventLoop.set_debug():

import asyncio.base_events

obj = asyncio.base_events.BaseEventLoop()
obj.set_debug(0.0005)
obj._run_forever_setup()

Found using fusil by @vstinner.

3.13, 3.14, CPython main branch

Linux

Python 3.14.0a1+ experimental free-threading build (heads/main-dirty:54c63a32d0, Nov 8 2024, 20:16:36) [GCC 11.4.0]