linux-kernel - Re: [PATCH 11/12] cifs: Fix problem with encrypted RDMA data read

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Message-ID: <Y9pq+YUf/iFE8JUC@infradead.org>
Date:   Wed, 1 Feb 2023 05:36:57 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Steve French <smfrench@...il.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Shyam Prasad N <nspmangalore@...il.com>,
        Rohith Surabattula <rohiths.msft@...il.com>,
        Tom Talpey <tom@...pey.com>,
        Stefan Metzmacher <metze@...ba.org>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jeff Layton <jlayton@...nel.org>, linux-cifs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Long Li <longli@...rosoft.com>,
        Namjae Jeon <linkinjeon@...nel.org>
Subject: Re: [PATCH 11/12] cifs: Fix problem with encrypted RDMA data read

On Tue, Jan 31, 2023 at 06:28:54PM +0000, David Howells wrote:
> When the cifs client is talking to the ksmbd server by RDMA and the ksmbd
> server has "smb3 encryption = yes" in its config file, the normal PDU
> stream is encrypted, but the directly-delivered data isn't in the stream
> (and isn't encrypted), but is rather delivered by DDP/RDMA packets (at
> least with IWarp).

This really needs to be split into a separate backportable fix series.
And it seems like Stefan has just send such a series.