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Message-ID: <20221012084415.GQ2950045@gauss3.secunet.de>
Date: Wed, 12 Oct 2022 10:44:15 +0200
From: Steffen Klassert <steffen.klassert@...unet.com>
To: Christian Langrock <christian.langrock@...unet.com>
CC: <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH ipsec v6] xfrm: replay: Fix ESN wrap around for GSO
On Fri, Oct 07, 2022 at 04:50:15PM +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.
>
> Fixes: d7dbefc45cf5 ("xfrm: Add xfrm_replay_overflow functions for offloading")
> Co-developed-by: Steffen Klassert <steffen.klassert@...unet.com>
> Signed-off-by: Christian Langrock <christian.langrock@...unet.com>
> ---
> Changes in v6:
> - move overflow check to offloading path to avoid locking issues
>
> Changes in v5:
> - Fix build
>
> Changes in v4:
> - move changelog within comment
> - add reviewer
>
> Changes in v3:
> - fix build
> - remove wrapper function
>
> Changes in v2:
> - switch to bool as return value
> - remove switch case in wrapper function
> ---
> net/ipv4/esp4_offload.c | 3 +++
> net/ipv6/esp6_offload.c | 3 +++
> net/xfrm/xfrm_device.c | 15 ++++++++++++++-
> net/xfrm/xfrm_replay.c | 2 +-
> 4 files changed, 21 insertions(+), 2 deletions(-)
Your patch does not apply to the ipsec tree. Looks
like it is malformed by your mailer.
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