linux-kernel - Re: [PATCH] nvmet-auth: update sc_c in target host hash calculation

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Message-ID: <CAKmqyKMH4dNGP0aW1ufkHKXuzNGjixAQrMwFd0QjCy9UT00KTw@mail.gmail.com>
Date: Wed, 29 Oct 2025 21:20:36 +1000
From: Alistair Francis <alistair23@...il.com>
To: Hannes Reinecke <hare@...e.de>
Cc: kbusch@...nel.org, axboe@...nel.dk, hch@....de, sagi@...mberg.me, 
	kch@...dia.com, linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	Alistair Francis <alistair.francis@....com>
Subject: Re: [PATCH] nvmet-auth: update sc_c in target host hash calculation

On Wed, Oct 29, 2025 at 6:10 PM Hannes Reinecke <hare@...e.de> wrote:
>
> On 10/29/25 05:53, 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.
> >
> > Signed-off-by: Alistair Francis <alistair.francis@....com>
> > ---
> >   drivers/nvme/host/auth.c               | 1 +
> >   drivers/nvme/target/auth.c             | 3 ++-
> >   drivers/nvme/target/fabrics-cmd-auth.c | 1 +
> >   drivers/nvme/target/nvmet.h            | 1 +
> >   4 files changed, 5 insertions(+), 1 deletion(-)
> >
> I've already send a similar patch for this, which actually should
> already have been merged.
> Can you check if that works for you?

I checked master when I sent this and there was nothing applied. Is it
in a different tree?

Alistair

>
> Cheers,
>
> Hannes
> --
> Dr. Hannes Reinecke                  Kernel Storage Architect
> hare@...e.de                                +49 911 74053 688
> SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
> HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich