netdev - Re: [PATCHv6 0/5] net/tls: fixes for NVMe-over-TLS

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Message-ID: <bf72459d-c2e0-27d2-ad96-89a010f64408@suse.de>
Date: Mon, 3 Jul 2023 14:13:30 +0200
From: Hannes Reinecke <hare@...e.de>
To: Sagi Grimberg <sagi@...mberg.me>
Cc: Keith Busch <kbusch@...nel.org>, Christoph Hellwig <hch@....de>,
 linux-nvme@...ts.infradead.org, Jakub Kicinski <kuba@...nel.org>,
 Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
 netdev@...r.kernel.org
Subject: Re: [PATCHv6 0/5] net/tls: fixes for NVMe-over-TLS

On 7/3/23 12:20, Hannes Reinecke wrote:
> On 7/3/23 12:08, Sagi Grimberg wrote:
>>
>>
>> On 7/3/23 12:04, Hannes Reinecke wrote:
>>> Hi all,
>>>
>>> here are some small fixes to get NVMe-over-TLS up and running.
>>> The first three are just minor modifications to have MSG_EOR handled
>>> for TLS (and adding a test for it), but the last two implement the
>>> ->read_sock() callback for tls_sw and that, I guess, could do with
>>> some reviews.
>>> It does work with my NVMe-TLS test harness, but what do I know :-)
>>
>> Hannes, have you tested nvme/tls with the MSG_SPLICE_PAGES series from
>> david?
> 
> Yes. This patchset has been tested on top of current linus' HEAD, which 
> includes the MSG_SPLICE_PAGES series (hence the absence of patch hunks 
> for ->sendpage() and friends).
> 
Well, of course, spoke too soon.
'discover' and 'connect' works, but when I'm trying to transfer data
(eg by doing a 'mkfs.xfs') the whole thing crashes horribly in
sock_sendmsg() as it's trying to access invalid pages :-(

Debugging to find out if it's my or Davids fault.

Cheers,

Hannes