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"Detected blocking call to scandir with args" #130728

Open pwhack opened 3 hours ago

pwhack commented 3 hours ago

The problem

When attempting to configure an MQTT broker integration in the Home Assistant UI, the following stack traces are generated in logs.

2024-11-15 18:13:04.262 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to scandir with args (23,) inside the event loop by integration 'file_upload' at homeassistant/components/file_upload/__init__.py, line 53: shutil.rmtree(file_upload_data.file_dir(file_id)) (offender: /usr/local/lib/python3.12/shutil.py, line 686: with os.scandir(topfd) as scandir_it:), please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+file_upload%22
For developers, please see https://developers.home-assistant.io/docs/asyncio_blocking_operations/#scandir
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/usr/src/homeassistant/homeassistant/__main__.py", line 223, in <module>
    sys.exit(main())
  File "/usr/src/homeassistant/homeassistant/__main__.py", line 209, in main
    exit_code = runner.run(runtime_conf)
  File "/usr/src/homeassistant/homeassistant/runner.py", line 189, in run
    return loop.run_until_complete(setup_and_run_hass(runtime_config))
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 674, in run_until_complete
    self.run_forever()
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 641, in run_forever
    self._run_once()
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 1990, in _run_once
    handle._run()
  File "/usr/local/lib/python3.12/asyncio/events.py", line 88, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/local/lib/python3.12/site-packages/aiohttp/web_protocol.py", line 556, in start
    task = asyncio.Task(coro, loop=loop, eager_start=True)
  File "/usr/local/lib/python3.12/site-packages/aiohttp/web_protocol.py", line 477, in _handle_request
    resp = await request_handler(request)
  File "/usr/local/lib/python3.12/site-packages/aiohttp/web_app.py", line 559, in _handle
    return await handler(request)
  File "/usr/local/lib/python3.12/site-packages/aiohttp/web_middlewares.py", line 117, in impl
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/security_filter.py", line 92, in security_filter_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/forwarded.py", line 210, in forwarded_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/request_context.py", line 26, in request_context_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/ban.py", line 85, in ban_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/auth.py", line 242, in auth_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/headers.py", line 32, in headers_middleware
    response = await handler(request)
  File "/usr/src/homeassistant/homeassistant/helpers/http.py", line 73, in handle
    result = await handler(request, **request.match_info)
  File "/usr/src/homeassistant/homeassistant/components/http/decorators.py", line 81, in with_admin
    return await func(self, request, *args, **kwargs)
  File "/usr/src/homeassistant/homeassistant/components/config/config_entries.py", line 222, in post
    return await super().post(request, flow_id)
  File "/usr/src/homeassistant/homeassistant/components/http/data_validator.py", line 74, in wrapper
    return await method(view, request, data, *args, **kwargs)
  File "/usr/src/homeassistant/homeassistant/helpers/data_entry_flow.py", line 122, in post
    result = await self._flow_mgr.async_configure(flow_id, data)
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 370, in async_configure
    result = await self._async_configure(flow_id, user_input)
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 417, in _async_configure
    result = await self._async_handle_step(
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 520, in _async_handle_step
    result: _FlowResultT = await getattr(flow, method)(user_input)
  File "/usr/src/homeassistant/homeassistant/components/mqtt/config_flow.py", line 479, in async_step_broker
    if await async_get_broker_settings(
  File "/usr/src/homeassistant/homeassistant/components/mqtt/config_flow.py", line 874, in async_get_broker_settings
    if await _async_validate_broker_settings(
  File "/usr/src/homeassistant/homeassistant/components/mqtt/config_flow.py", line 807, in _async_validate_broker_settings
    with process_uploaded_file(hass, certificate_id) as certificate_file:
  File "/usr/local/lib/python3.12/contextlib.py", line 144, in __exit__
    next(self.gen)
  File "/usr/src/homeassistant/homeassistant/components/file_upload/__init__.py", line 53, in process_uploaded_file
    shutil.rmtree(file_upload_data.file_dir(file_id))

What version of Home Assistant Core has the issue?

core-2024.10.4

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Container

Integration causing the issue

No response

Link to integration documentation on our website

https://www.home-assistant.io/integrations/mqtt/

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

I cannot successfully configure the MQTT integration so there is no option to enable debug logging on it or to download diagnostic information. I would if I could.

home-assistant[bot] commented 3 hours ago

Hey there @emontnemery, @jbouwh, @bdraco, mind taking a look at this issue as it has been labeled with an integration (mqtt) you are listed as a code owner for? Thanks!

Code owner commands Code owners of `mqtt` can trigger bot actions by commenting: - `@home-assistant close` Closes the issue. - `@home-assistant rename Awesome new title` Renames the issue. - `@home-assistant reopen` Reopen the issue. - `@home-assistant unassign mqtt` Removes the current integration label and assignees on the issue, add the integration domain after the command. - `@home-assistant add-label needs-more-information` Add a label (needs-more-information, problem in dependency, problem in custom component) to the issue. - `@home-assistant remove-label needs-more-information` Remove a label (needs-more-information, problem in dependency, problem in custom component) on the issue.

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