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

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Message-ID: <214e350af7da3f870e1da306c9498f80f1e90c07.camel@gmail.com>
Date: Fri, 07 Nov 2025 20:31:34 +0530
From: Martin George <martinus.gpy@...il.com>
To: alistair23@...il.com, 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, 2025-11-07 at 09:17 +1000, 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>
> ---
>  drivers/nvme/target/auth.c             | 4 ++--
>  drivers/nvme/target/fabrics-cmd-auth.c | 1 +
>  drivers/nvme/target/nvmet.h            | 1 +
>  3 files changed, 4 insertions(+), 2 deletions(-)

Reviewed-by: Martin George <marting@...app.com>

-Martin