diff options
| -rw-r--r-- | changelog.d/6527.bugfix | 1 | ||||
| -rw-r--r-- | synapse/handlers/federation.py | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/changelog.d/6527.bugfix b/changelog.d/6527.bugfix new file mode 100644 index 0000000000..53214b0748 --- /dev/null +++ b/changelog.d/6527.bugfix @@ -0,0 +1 @@ +Fix a bug which could cause the federation server to incorrectly return errors when handling certain obscure event graphs. \ No newline at end of file diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index f4ac0bfbc8..abe02907b9 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -606,7 +606,7 @@ class FederationHandler(BaseHandler): remote_event = event_map.get(event_id) if not remote_event: raise Exception("Unable to get missing prev_event %s" % (event_id,)) - if remote_event.is_state(): + if remote_event.is_state() and remote_event.rejected_reason is None: remote_state.append(remote_event) auth_chain = [event_map[e_id] for e_id in auth_event_ids if e_id in event_map] |