Federated invite checks (JEMALLOC_SYS_WITH_LG_PAGE=16) #2078

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opened 2026-07-30 23:02:42 +00:00 by writert · 2 comments

writert commented

2026-07-30 23:02:42 +00:00

v26.7.1 (83cf15bccb), self-built image, sole change JEMALLOC_SYS_WITH_LG_PAGE=16 for 16 KB pages on aarch64 => new homeserver => actually "works" with 16KB page sizes.
^-- <not 100% sure if related> --v
PUT /_matrix/federation/v2/invite/… → 400, ~111-byte body
PDU in invite state (index 0) violates the room event format
Remote: Synapse 1.156.0 (matrix-org-hotfixes), room version 11
Reproduces from a second unrelated homeserver
Outbound invites work; remote users join fine once invited
Could it be the hardened enforcement? (26.6.1) Changelog #1952: "Added enforcement for new federated invite checks and corrected a bunch of related spec compliance issues along the way"

v26.7.1 (83cf15bccb), self-built image, sole change JEMALLOC_SYS_WITH_LG_PAGE=16 for 16 KB pages on aarch64 => new homeserver => actually "works" with 16KB page sizes. ^-- <not 100% sure if related> --v PUT /_matrix/federation/v2/invite/… → 400, ~111-byte body PDU in invite state (index 0) violates the room event format Remote: Synapse 1.156.0 (matrix-org-hotfixes), room version 11 Reproduces from a second unrelated homeserver Outbound invites work; remote users join fine once invited Could it be the hardened enforcement? (26.6.1) Changelog #1952: "Added enforcement for new federated invite checks and corrected a bunch of related spec compliance issues along the way"