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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4d3e67b1-478e-a10e-4f37-ff284183a988@samba.org>
Date:   Wed, 1 Feb 2023 15:00:55 +0100
From:   Stefan Metzmacher <metze@...ba.org>
To:     Christoph Hellwig <hch@...radead.org>,
        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>,
        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

Am 01.02.23 um 14:36 schrieb Christoph Hellwig:
> 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.

My changes are triggered by this commit...

Now I'm looking more closely as I didn't understand it...