synapse-product/10956.bugfix at 829f2a82b042d944fef3df55faec924502cdf20d - synapse-product - Gitea: Git with a cup of tea

Matrix-Mirrors/synapse-product

mirror of https://git.anonymousland.org/anonymousland/synapse-product.git synced 2024-10-01 08:25:44 -04:00

Richard van der Hoff 3a5b0cbe7a

Ensure that we reject events which use rejected events for auth (#10956 )

When we consider whether to accept events, we should not accept those which
depend on rejected events for their auth events.

This (together with earlier changes such as
https://github.com/matrix-org/synapse/pull/10771 and
https://github.com/matrix-org/synapse/pull/10896) forms a partial fix to
https://github.com/matrix-org/synapse/issues/9595. There still remain code
paths where we do not check the `auth_events` at all.

2021-10-05 13:23:29 +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.