netdev - Re: [PATCH RFC 4/5] net/tls: Add support for PF

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: <20220428063009.0a63a7f9@kernel.org>
Date:   Thu, 28 Apr 2022 06:30:09 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Hannes Reinecke <hare@...e.de>
Cc:     Sagi Grimberg <sagi@...mberg.me>,
        Chuck Lever <chuck.lever@...cle.com>, netdev@...r.kernel.org,
        linux-nfs@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-cifs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        ak@...pesta-tech.com, borisp@...dia.com, simo@...hat.com
Subject: Re: [PATCH RFC 4/5] net/tls: Add support for PF_TLSH (a TLS
 handshake listener)

On Thu, 28 Apr 2022 09:26:41 +0200 Hannes Reinecke wrote:
> The whole thing started off with the problem on _how_ sockets could be 
> passed between kernel and userspace and vice versa.
> While there is fd passing between processes via AF_UNIX, there is no 
> such mechanism between kernel and userspace.

Noob question - the kernel <> user space FD sharing is just 
not implemented yet, or somehow fundamentally hard because kernel 
fds are "special"?