linux-kernel - Re: [PATCH v3] nvmet-auth: update sc

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Message-ID: <CAKmqyKOr+75TNSaQU-eUoEF2Aw_KxbMA-z4s_OkOgnsrbu=EeA@mail.gmail.com>
Date: Mon, 17 Nov 2025 09:15:28 +1000
From: Alistair Francis <alistair23@...il.com>
To: hare@...e.de, kbusch@...nel.org, axboe@...nel.dk, hch@....de, 
	sagi@...mberg.me, kch@...dia.com, linux-nvme@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org, Alistair Francis <alistair.francis@....com>
Subject: Re: [PATCH v3] nvmet-auth: update sc_c in target host hash calculation

On Fri, Nov 7, 2025 at 9:17 AM <alistair23@...il.com> wrote:
>
> From: Alistair Francis <alistair.francis@....com>
>
> Commit 7e091add9c43 "nvme-auth: update sc_c in host response" added
> the sc_c variable to the dhchap queue context structure which is
> appropriately set during negotiate and then used in the host response.
>
> This breaks secure concat connections with a Linux target as the target
> code wasn't updated at the same time. This patch fixes this by adding a
> new sc_c variable to the host hash calculations.
>
> Fixes: 7e091add9c43 ("nvme-auth: update sc_c in host response")
> Signed-off-by: Alistair Francis <alistair.francis@....com>

Gentle reminder that this is needed in 6.18

Alistair