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Check sender_key matches on inbound encrypted events. #6850
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If they don't then the device lists are probably out of sync.
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There's a lot of feedback coming back to the effect that our logs are far too spammy, and I have some sympathy with this position. Can you just enable DEBUG for this logger on matrix.org/jki.re/etc? |
richvdh
reviewed
Feb 5, 2020
Me too, but the problem is by the time we realise that we need to get DEBUG logs its a bit late, given that usually the failure happens one and can't be reproduced. Adding a single log line for each inbound thing that happens to say what we got feels like the right balance for INFO logs to me. If we actually want to be a bit less insane with logging we should look at dropping things like |
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Hopefully that's a bit clearer |
erikjohnston
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Feb 6, 2020
Synapse 1.10.0rc2 (2020-02-06) ============================== Bugfixes -------- - Fix an issue with cross-signing where device signatures were not sent to remote servers. ([\#6844](#6844)) - Fix to the unknown remote device detection which was introduced in 1.10.rc1. ([\#6848](#6848)) Internal Changes ---------------- - Detect unexpected sender keys on remote encrypted events and resync device lists. ([\#6850](#6850))
babolivier
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Feb 12, 2020
Synapse 1.10.0 (2020-02-12) =========================== **WARNING to client developers**: As of this release Synapse validates `client_secret` parameters in the Client-Server API as per the spec. See [\#6766](#6766) for details. Updates to the Docker image --------------------------- - Update the docker images to Alpine Linux 3.11. ([\#6897](#6897)) Synapse 1.10.0rc5 (2020-02-11) ============================== Bugfixes -------- - Fix the filtering introduced in 1.10.0rc3 to also apply to the state blocks returned by `/sync`. ([\#6884](#6884)) Synapse 1.10.0rc4 (2020-02-11) ============================== This release candidate was built incorrectly and is superceded by 1.10.0rc5. Synapse 1.10.0rc3 (2020-02-10) ============================== Features -------- - Filter out `m.room.aliases` from the CS API to mitigate abuse while a better solution is specced. ([\#6878](#6878)) Internal Changes ---------------- - Fix continuous integration failures with old versions of `pip`, which were introduced by a release of the `zipp` library. ([\#6880](#6880)) Synapse 1.10.0rc2 (2020-02-06) ============================== Bugfixes -------- - Fix an issue with cross-signing where device signatures were not sent to remote servers. ([\#6844](#6844)) - Fix to the unknown remote device detection which was introduced in 1.10.rc1. ([\#6848](#6848)) Internal Changes ---------------- - Detect unexpected sender keys on remote encrypted events and resync device lists. ([\#6850](#6850)) Synapse 1.10.0rc1 (2020-01-31) ============================== Features -------- - Add experimental support for updated authorization rules for aliases events, from [MSC2260](matrix-org/matrix-spec-proposals#2260). ([\#6787](#6787), [\#6790](#6790), [\#6794](#6794)) Bugfixes -------- - Warn if postgres database has a non-C locale, as that can cause issues when upgrading locales (e.g. due to upgrading OS). ([\#6734](#6734)) - Minor fixes to `PUT /_synapse/admin/v2/users` admin api. ([\#6761](#6761)) - Validate `client_secret` parameter using the regex provided by the Client-Server API, temporarily allowing `:` characters for older clients. The `:` character will be removed in a future release. ([\#6767](#6767)) - Fix persisting redaction events that have been redacted (or otherwise don't have a redacts key). ([\#6771](#6771)) - Fix outbound federation request metrics. ([\#6795](#6795)) - Fix bug where querying a remote user's device keys that weren't cached resulted in only returning a single device. ([\#6796](#6796)) - Fix race in federation sender worker that delayed sending of device updates. ([\#6799](#6799), [\#6800](#6800)) - Fix bug where Synapse didn't invalidate cache of remote users' devices when Synapse left a room. ([\#6801](#6801)) - Fix waking up other workers when remote server is detected to have come back online. ([\#6811](#6811)) Improved Documentation ---------------------- - Clarify documentation related to `user_dir` and `federation_reader` workers. ([\#6775](#6775)) Internal Changes ---------------- - Record room versions in the `rooms` table. ([\#6729](#6729), [\#6788](#6788), [\#6810](#6810)) - Propagate cache invalidates from workers to other workers. ([\#6748](#6748)) - Remove some unnecessary admin handler abstraction methods. ([\#6751](#6751)) - Add some debugging for media storage providers. ([\#6757](#6757)) - Detect unknown remote devices and mark cache as stale. ([\#6776](#6776), [\#6819](#6819)) - Attempt to resync remote users' devices when detected as stale. ([\#6786](#6786)) - Delete current state from the database when server leaves a room. ([\#6792](#6792)) - When a client asks for a remote user's device keys check if the local cache for that user has been marked as potentially stale. ([\#6797](#6797)) - Add background update to clean out left rooms from current state. ([\#6802](#6802), [\#6816](#6816)) - Refactoring work in preparation for changing the event redaction algorithm. ([\#6803](#6803), [\#6805](#6805), [\#6806](#6806), [\#6807](#6807), [\#6820](#6820))
babolivier
pushed a commit
that referenced
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Sep 1, 2021
* commit 'a58860e48': Check sender_key matches on inbound encrypted events. (#6850)
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If it doesn't then the device lists are probably out of sync so we should resync.
Also add info logging when we receive device updates to help debug missing device lists. Hopefully this shouldn't be tooooo spammy.