Re: [PATCH ipsec v6] xfrm: replay: Fix ESN wrap around for GSO

From: Steffen Klassert
Date: Wed Oct 12 2022 - 04:45:19 EST


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@xxxxxxxxxxx>
> Signed-off-by: Christian Langrock <christian.langrock@xxxxxxxxxxx>
> ---
> 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.