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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Guillaume Nault <g.nault@alphalink.fr>,
	Tom Herbert <tom@herbertland.com>
Cc: netdev@vger.kernel.org, James Chapman <jchapman@katalix.com>
Subject: Re: [PATCH net-next] kcm: do not attach sockets if sk_user_data is already used
Date: Tue, 16 Jan 2018 09:10:59 -0800	[thread overview]
Message-ID: <1516122659.3606.9.camel@gmail.com> (raw)
In-Reply-To: <20180116104425.GA1394@alphalink.fr>

On Tue, 2018-01-16 at 11:44 +0100, Guillaume Nault wrote:
> 
> Tom, if I understand KCM correctly, it only makes sense to attach it to
> SOCK_STREAM sockets. Shouldn't that be enforced? Maybe we should
> restrict it even further, so that only known KCM-safe sockets could be
> attached (that is, reject anything that isn't AF_INET* | SOCK_STREAM).


I believe I asked the same question months ago. I had no answer.

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/comm
it/?id=351050ecd6523374b370341cc29fe61e2201556b

Not sure if anyone uses KCM, other than fuzzers ?

  reply	other threads:[~2018-01-16 17:11 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-14 11:32 [PATCH net-next] kcm: do not attach sockets if sk_user_data is already used James Chapman
2018-01-16 10:44 ` Guillaume Nault
2018-01-16 17:10   ` Eric Dumazet [this message]
2018-01-16 17:36 ` Tom Herbert
2018-01-16 19:00   ` David Miller
2018-01-17 11:13     ` James Chapman
2018-01-17 19:25       ` David Miller
2018-01-18 15:18         ` Guillaume Nault
2018-01-18 15:40           ` James Chapman
2018-01-18 16:29             ` Guillaume Nault
2018-01-18 17:30               ` James Chapman
2018-01-18 17:46             ` Tom Herbert
2018-01-18 18:08               ` Eric Dumazet
2018-01-18 19:26                 ` Tom Herbert
2018-01-18 19:46                   ` Eric Dumazet
2018-01-18 17:40         ` Tom Herbert

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