netdev - Re: [PATCH net-next 2/4] udp: Handle large UFO packets from untrusted sources

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:	Tue, 9 Jun 2009 09:37:39 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Sridhar Samudrala <sri@...ibm.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, kvm@...r.kernel.org,
	rusty@...tcorp.com.au
Subject: Re: [PATCH net-next 2/4] udp: Handle large UFO packets from
	untrusted sources

On Mon, Jun 08, 2009 at 10:04:47AM -0700, Sridhar Samudrala wrote:
>
> OK. Can we use skb_segment() to do IP fragmentation of UDP packets?

It should be able to.

> The function itself looks protocol independent and if it is simply
> splitting large skb into a list of mtu sized skb's, can we fixup the
> ip header differently for UDP packets(id and frag_off) in inet_gso_segment
> and ipv6_gso_segment?

Yes that's the idea.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html