From: Sagi Grimberg <sagi@grimberg.me>
To: "Engel, Amit" <Amit.Engel@Dell.com>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"hch@lst.de" <hch@lst.de>
Subject: Re: [PATCH] nvmet_tcp: fix header digest verification
Date: Wed, 20 Oct 2021 20:53:12 +0300 [thread overview]
Message-ID: <4a71a194-c715-a38d-6b3e-560eae714451@grimberg.me> (raw)
In-Reply-To: <CO1PR19MB4885C691C3B1B15AA139A9E0EEBE9@CO1PR19MB4885.namprd19.prod.outlook.com>
> One of our tests found that
> With the current code,
> recv_digest == exp_digest even if the pdu header digest is being modified (synthetically)
> For example:
> In case that pdu header digest is changed to 0xffffffff, recv == exp == 0xfffffff, and nvmet_tcp_verify_hdgst returns 0 - which is wrong
Not sure I follow. Can you describe in which case the passed offset !=
hdr->hlen?
> Internal Use - Confidential
Is this confidential?
next prev parent reply other threads:[~2021-10-20 17:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211019113307.31852-1-amit.engel@dell.com>
2021-10-19 12:18 ` [PATCH] nvmet_tcp: fix header digest verification Sagi Grimberg
2021-10-20 15:43 ` Engel, Amit
2021-10-20 17:53 ` Sagi Grimberg [this message]
2021-10-25 8:47 ` Engel, Amit
2021-10-26 15:34 ` Sagi Grimberg
2021-10-27 6:50 ` Engel, Amit
[not found] <20211027064927.20452-1-amit.engel@dell.com>
2021-10-27 7:09 ` Sagi Grimberg
2021-10-27 7:21 ` Christoph Hellwig
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