Subject: Re: [PATCH net-ipsec v2] xfrm: replay: Fix ESN wrap around for GSO

From: Jakub Kicinski <[email-masked]>
Date: Tue, 27 Sep 2022 07:22:49 -0700

On Tue, 27 Sep 2022 14:59:50 +0200 Christian Langrock wrote:
> When using GSO it can happen that the wrong seq_hi is used for the last
> packets before the wrap around. This can lead to double usage of a
> sequence number. To avoid this, we should serialize this last GSO
> packet.

Does not build but please wait for reviews before reposting:

net/xfrm/xfrm_replay.c:773:6: error: conflicting types for ‘xfrm_replay_overflow_check’; have ‘bool(struct xfrm_state *, struct sk_buff *)’ {aka ‘_Bool(struct xfrm_state *, struct sk_buff *)’}
  773 | bool xfrm_replay_overflow_check(struct xfrm_state *x, struct sk_buff *skb)
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~