netdev - Re: [PATCH v2 0/4] Check size of packets before sending

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:   Thu, 25 Jan 2018 13:24:42 -0200
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     Daniel Axtens <dja@...ens.net>
Cc:     netdev@...r.kernel.org, Jason Wang <jasowang@...hat.com>,
        Pravin Shelar <pshelar@....org>, Manish.Chopra@...ium.com,
        dev@...nvswitch.org
Subject: Re: [PATCH v2 0/4] Check size of packets before sending

On Thu, Jan 25, 2018 at 03:31:05PM +1100, Daniel Axtens wrote:
> There are a few ways we can send packets that are too large to a
> network driver.
> 
> When non-GSO packets are forwarded, we validate their size, based on
> the MTU of the destination device. However, when GSO packets are
> forwarded, we do not validate their size. We implicitly assume that
> when they are segmented, the resultant packets will be correctly
> sized.
...

Patchset LGTM, but I also think it's risky merging this one in by now.

  Marcelo