Re: [PATCH net-ipsec v2] xfrm: replay: Fix ESN wrap around for GSO
From: Jakub Kicinski <kuba@kernel.org>
Date: 2022-09-27 14:22:59
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From: Jakub Kicinski <kuba@kernel.org>
Date: 2022-09-27 14:22:59
Also in:
lkml
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)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~