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nvmet-auth: update sc_c in target host hash calculation

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Commit 7e091add9c "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: 7e091add9c ("nvme-auth: update sc_c in host response")
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Tested-by: Yi Zhang <yi.zhang@redhat.com>
Reviewed-by: Martin George <marting@netapp.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Alistair Francis
2025-11-07 09:17:11 +10:00
committed by Keith Busch
parent 03b3bcd319
commit 159de7a825
3 changed files with 4 additions and 2 deletions
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1
drivers/nvme/target/fabrics-cmd-auth.c
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@@ -43,6 +43,7 @@ static u8 nvmet_auth_negotiate(struct nvmet_req *req, void *d)
data->auth_protocol[0].dhchap.halen,
data->auth_protocol[0].dhchap.dhlen);
req->sq->dhchap_tid = le16_to_cpu(data->t_id);
req->sq->sc_c = data->sc_c;
if (data->sc_c != NVME_AUTH_SECP_NOSC) {
if (!IS_ENABLED(CONFIG_NVME_TARGET_TCP_TLS))
return NVME_AUTH_DHCHAP_FAILURE_CONCAT_MISMATCH;