From: David Miller <davem@davemloft.net>
To: herbert@gondor.apana.org.au
Cc: jmorris@namei.org, nicolas.dichtel@6wind.com,
netdev@vger.kernel.org, ebiederm@xmission.com,
linux-security-module@vger.kernel.org, tgraf@suug.ch,
fbl@sysclose.org
Subject: Re: Revert "net: Reset secmark when scrubbing packet"
Date: Thu, 16 Apr 2015 14:21:35 -0400 (EDT) [thread overview]
Message-ID: <20150416.142135.1372448954643242617.davem@davemloft.net> (raw)
In-Reply-To: <20150416081253.GA13595@gondor.apana.org.au>
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 16 Apr 2015 16:12:53 +0800
> On Thu, Apr 16, 2015 at 05:02:15PM +1000, James Morris wrote:
>>
>> They don't support namespaces, and maintaining the label is critical for
>> SELinux, at least, which mediates security for the system as a whole.
>
> Thanks for the confirmation James, I thought this looked a bit
> dodgy :)
>
> ---8<---
> This patch reverts commit b8fb4e0648a2ab3734140342002f68fb0c7d1602
> because the secmark must be preserved even when a packet crosses
> namespace boundaries. The reason is that security labels apply to
> the system as a whole and is not per-namespace.
>
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Applied and queued up for -stable.
next prev parent reply other threads:[~2015-04-16 18:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-15 10:01 ip_tunnel: Remove gratuitous skb scrubbing Herbert Xu
2015-04-15 10:13 ` Herbert Xu
2015-04-15 10:20 ` Nicolas Dichtel
2015-04-15 10:22 ` Herbert Xu
2015-04-15 10:28 ` Nicolas Dichtel
2015-04-15 10:32 ` Herbert Xu
2015-04-15 13:57 ` Herbert Xu
2015-04-15 15:41 ` Nicolas Dichtel
2015-04-16 1:03 ` [v3] skbuff: Do not scrub skb mark within the same name space Herbert Xu
2015-04-16 7:02 ` James Morris
2015-04-16 7:35 ` Nicolas Dichtel
2015-04-16 7:59 ` Herbert Xu
2015-04-16 8:12 ` Revert "net: Reset secmark when scrubbing packet" Herbert Xu
2015-04-16 8:32 ` Thomas Graf
2015-04-16 18:21 ` David Miller [this message]
2015-04-16 8:33 ` [v3] skbuff: Do not scrub skb mark within the same name space Thomas Graf
2015-04-16 18:21 ` David Miller
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