synapse/changelog.d/11009.bugfix at 99e698d6ed4ac307fa0be1e5dcce4bba0b2d7069 - mirrors/synapse - Sadium Git

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Richard van der Hoff a5d2ea3d08

Check *all* auth events for room id and rejection (#11009 )

This fixes a bug where we would accept an event whose `auth_events` include
rejected events, if the rejected event was shadowed by another `auth_event`
with same `(type, state_key)`.

The approach is to pass a list of auth events into
`check_auth_rules_for_event` instead of a dict, which of course means updating
the call sites.

This is an extension of #10956.

2021-10-18 18:28:30 +01:00

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Fix a long-standing bug which meant that events received over federation were sometimes incorrectly accepted into the room state.