Re: [PATCH net 2/2] sctp: discard stale INIT after handshake completion

Marcelo Ricardo Leitner
2026-04-13T12:36:20Z

On Fri, Apr 10, 2026 at 02:59:17PM -0400, Xin Long wrote:
> After an association reaches ESTABLISHED, the peer’s init_tag is already
> known from the handshake. Any subsequent INIT with the same init_tag is
> not a valid restart, but a delayed or duplicate INIT.
>
> Drop such INIT chunks in sctp_sf_do_unexpected_init() instead of
> processing them as new association attempts.
>
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Xin Long <lucien.xin@gmail.com>

Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>