From ef045dcd71147f50e0144bc896e0a59ee5303061 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Thu, 7 Dec 2017 14:17:15 +0000
Subject: [PATCH] Copy dict in update_membership too
---
synapse/handlers/room_member.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 970fec0666..7e6467cd1d 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -189,6 +189,10 @@ class RoomMemberHandler(BaseHandler):
content_specified = bool(content)
if content is None:
content = {}
+ else:
+ # We do a copy here as we potentially change some keys
+ # later on.
+ content = dict(content)
effective_membership_state = action
if action in ["kick", "unban"]:
--
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