netdev - Re: [net 8/8] net/mlx5e: kTLS, Add resiliency to zero-size record frags in TX resync flow

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]

Date:   Wed, 29 Apr 2020 17:12:38 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Saeed Mahameed <saeedm@...lanox.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...lanox.com>,
        Boris Pismenny <borisp@...lanox.com>
Subject: Re: [net 8/8] net/mlx5e: kTLS, Add resiliency to zero-size record
 frags in TX resync flow

On Wed, 29 Apr 2020 15:54:49 -0700 Saeed Mahameed wrote:
> From: Tariq Toukan <tariqt@...lanox.com>
> 
> SKBs of TLS records might have empty zero-sized frags.

Why? Let's fix that instead of adding checks to drivers.

> Posting a DUMP WQE for such frag would result an error completion.
> Add in-driver resiliency and skip such frags.
> 
> Fixes: d2ead1f360e8 ("net/mlx5e: Add kTLS TX HW offload support")