Re: [PATCH net 2/2] sctp: discard stale INIT after handshake completion
Marcelo Ricardo Leitner <[email protected]> Mon, 13 Apr 2026 09:36:16 -0300
| Newsgroups | org.kernel.vger.linux-sctp,org.kernel.vger.netdev |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]>
Acked-by: Marcelo Ricardo Leitner <[email protected]>