Unexpected AuthError from _check_event_auth #11513

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1. richvdh commented on Dec 6, 2021

   

   richvdh

   on Dec 6, 2021

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   Example stacktrace:

   AuthError: 403: Auth events could not be found
     File "synapse/handlers/federation_event.py", line 983, in _process_received_pdu
       context,
     File "synapse/handlers/federation_event.py", line 1371, in _check_event_auth
       origin, event
     File "synapse/handlers/federation_event.py", line 1683, in _load_or_fetch_auth_events_for_event
       raise AuthError(code=HTTPStatus.FORBIDDEN, msg="Auth events could not be found")
   

   https://sentry.matrix.org/sentry/synapse-matrixorg/issues/233645
   https://sentry.matrix.org/sentry/synapse-modular/issues/235420
2. squahtx

   added

   T-DefectBugs, crashes, hangs, security vulnerabilities, or other reported issues.Bugs, crashes, hangs, security vulnerabilities, or other reported issues.

   on Dec 8, 2021
3. richvdh commented on Jun 30, 2022

   

   richvdh

   on Jun 30, 2022

   MemberAuthor

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   #11001 made AuthError a documented exception from _check_event_auth, so the problem is now simply that we log it. Fixed by #13145.
4. richvdh

   closed this as completedon Jun 30, 2022