Subject: Re: [PATCH net v2 0/2] sctp: fix a vtag verification failure caused by stale INITs

From: [email-masked]
Date: Wed, 29 Apr 2026 01:30:36 +0000

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski <[email-masked]>:

On Sun, 26 Apr 2026 10:46:39 -0400 you wrote:
> Similar to Scenario B in commit 8e56b063c865 ( netfilter: handle the
> connecting collision properly in nf_conntrack_proto_sctp"):
> 
> Scenario B: INIT_ACK is delayed until the peer completes its own handshake
> 
>   192.168.1.2 > 192.168.1.1: sctp (1) [INIT] [init tag: 3922216408]
>     192.168.1.1 > 192.168.1.2: sctp (1) [INIT] [init tag: 144230885]
>     192.168.1.2 > 192.168.1.1: sctp (1) [INIT ACK] [init tag: 3922216408]
>     192.168.1.1 > 192.168.1.2: sctp (1) [COOKIE ECHO]
>     192.168.1.2 > 192.168.1.1: sctp (1) [COOKIE ACK]
>   192.168.1.1 > 192.168.1.2: sctp (1) [INIT ACK] [init tag: 3914796021] *
> 
> [...]

Here is the summary with links:
  - [net,v2,1/2] netfilter: skip recording stale or retransmitted INIT
    https://git.kernel.org/netdev/net/c/576a5d2bad48
  - [net,v2,2/2] sctp: discard stale INIT after handshake completion
    https://git.kernel.org/netdev/net/c/8a92cb475ca9

You are awesome, thank you!
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