netdev - RE: WARN trace - skb_warn_bad_offload - vxlan - large udp packet

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] [day] [month] [year] [list]

Date:	Sat, 9 Jan 2016 00:50:49 +0000
From:	"Nelson, Shannon" <shannon.nelson@...el.com>
To:	Michal Kubecek <mkubecek@...e.cz>
CC:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Tom Herbert <tom@...bertland.com>,
	Jesse Gross <jesse@...ira.com>, Jiri Benc <jbenc@...hat.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>
Subject: RE: WARN trace - skb_warn_bad_offload - vxlan - large udp packet -
 udp checksum disabled

> From: Michal Kubecek [mailto:mkubecek@...e.cz]
>
> Shannon, if disabling UFO works around the problem, please check if this
> patch helps:
> 
> 
> From: Michal Kubecek <mkubecek@...e.cz>
> Date: Fri, 8 Jan 2016 18:23:40 +0100
> Subject: [PATCH] udp: disallow UFO for sockets with SO_NO_CHECK option
> 

Hi Michal,

Yes, that worked for my test case.

Acked-by: Shannon Nelson <shannon.nelson@...el.com>

Thanks,
sln