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From: Vivek Goyal <vgoyal@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Simo Sorce <ssorce@redhat.com>,
	David Miller <davem@davemloft.net>, Tejun Heo <tj@kernel.org>,
	Daniel Walsh <dwalsh@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	lpoetter@redhat.com, cgroups@vger.kernel.org, kay@redhat.com,
	Network Development <netdev@vger.kernel.org>
Subject: Re: [PATCH 2/2] net: Implement SO_PASSCGROUP to enable passing cgroup path
Date: Thu, 17 Apr 2014 09:41:23 -0400	[thread overview]
Message-ID: <20140417134123.GA15749@redhat.com> (raw)
In-Reply-To: <CALCETrU9P+1Az+uuU_zE4uZZ-qmp5M_=YAXvfcK=rzQRbgoG5g@mail.gmail.com>

On Wed, Apr 16, 2014 at 01:24:32PM -0700, Andy Lutomirski wrote:

[..]
> I'm not talking about the risk that someone learns someone's cgroup.
> I'm talking about the risk that a malicious program can get a lot
> entry like: "whatever planted text"
> _SYSTEMD_UNIT=non-malicious.service.  That is, they've spoofed a log
> line.
> 
> If you don't care about spoofing of log lines, then there's no point
> to having the kernel validate them anyway.

What's wrong with this. A message came from a cgroup which maps to
a unit xyz and it got logged.  I can't see what's wrong here.

Anyway that message will get logged with unit information. These patches
will just make getting unit information race free and more reliable.

Thansk
Vivek

  reply	other threads:[~2014-04-17 13:41 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-15 21:15 [PATCH 0/2] net: Implement SO_PEERCGROUP and SO_PASSCGROUP socket options Vivek Goyal
2014-04-15 21:15 ` [PATCH 1/2] net: Implement SO_PEERCGROUP Vivek Goyal
     [not found]   ` <1397596546-10153-2-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-15 21:54     ` Andy Lutomirski
2014-04-16  0:22       ` Vivek Goyal
2014-04-15 21:15 ` [PATCH 2/2] net: Implement SO_PASSCGROUP to enable passing cgroup path Vivek Goyal
     [not found]   ` <1397596546-10153-3-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-15 21:53     ` Andy Lutomirski
2014-04-15 23:09       ` Simo Sorce
2014-04-16  0:20       ` Vivek Goyal
     [not found]         ` <20140416002010.GA5035-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-16  1:05           ` David Miller
2014-04-16  3:47         ` Andy Lutomirski
     [not found]           ` <CALCETrWzHYN3kKcmDTFDfGhZqE4u9+6XDtiOu5nncbK_7KKH0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 10:17             ` Vivek Goyal
     [not found]               ` <20140416101709.GA14131-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-16 14:34                 ` Andy Lutomirski
     [not found]                   ` <CALCETrUTMSpd=NYn9QuO5Y3WY0uBhjNEHO0jCwZu0L59CpeDew-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 15:10                     ` Vivek Goyal
2014-04-16 12:57             ` David Miller
2014-04-16 14:37               ` Andy Lutomirski
     [not found]                 ` <CALCETrVv8SPM5xjOVGy7qO2aq3FKtG2uG57J49nO7Wy0-gg0Ew-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 16:13                   ` Simo Sorce
2014-04-16 16:21                     ` Tejun Heo
     [not found]                       ` <20140416162149.GI1257-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2014-04-16 16:54                         ` Simo Sorce
     [not found]                     ` <1397664837.19767.410.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-16 16:31                       ` Andy Lutomirski
     [not found]                         ` <CALCETrXn7b6UuALpGUVoyQYfR2uzk5tj2ABV=dkvtFNgqM5sxQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 17:02                           ` Simo Sorce
2014-04-16 17:29                             ` Andy Lutomirski
     [not found]                               ` <CALCETrU_yKQVZyVug25cxwQFjWJ7Zf20FY-6ht+RJifXtDdDWg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 17:34                                 ` Simo Sorce
     [not found]                                   ` <1397669685.19767.450.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-16 17:53                                     ` Andy Lutomirski
2014-04-16 18:36                                 ` Vivek Goyal
     [not found]                                   ` <20140416183614.GH31074-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-16 18:40                                     ` Andy Lutomirski
2014-04-16 18:51                                       ` Vivek Goyal
2014-04-16 18:59                                         ` Andy Lutomirski
2014-04-16 18:06                           ` Vivek Goyal
     [not found]                             ` <20140416180642.GG31074-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-16 18:13                               ` Andy Lutomirski
2014-04-16 18:25                                 ` Vivek Goyal
     [not found]                                   ` <20140416182530.GB550-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-16 18:35                                     ` Andy Lutomirski
     [not found]                                       ` <CALCETrUs1js3Br81ZkiQnsuWduzOiqDe3aV0K_z_zw0znSuiag-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 19:06                                         ` Vivek Goyal
2014-04-16 19:13                                           ` Andy Lutomirski
     [not found]                                             ` <CALCETrUv56awd+UoO_f8LLL2FVq-Hc6Bd6iBGMqWjVGpgxgTSg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 19:39                                               ` Vivek Goyal
2014-04-16 20:24                                                 ` Andy Lutomirski
2014-04-17 13:41                                                   ` Vivek Goyal [this message]
     [not found]                                 ` <CALCETrVUw5+vCCONy1VTXpskbY_eZFo2CtbehwV5Mhj4d4+icw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-16 18:59                                   ` Vivek Goyal
2014-04-17 15:41                                     ` Daniel J Walsh
     [not found]                                       ` <534FF61B.4010901-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-17 16:04                                         ` Simo Sorce
     [not found]                                           ` <1397750674.2628.44.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 16:11                                             ` Andy Lutomirski
     [not found]                                               ` <CALCETrUrj2LtAoXp600BD2ANgE2UUEbTYQrK8hHqDR=qpeFPcg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-17 16:24                                                 ` Simo Sorce
     [not found]                                                   ` <1397751853.2628.50.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 16:37                                                     ` Andy Lutomirski
     [not found]                                                       ` <CALCETrWNWvumFg9Qba0GEOjYop4WYe530tCPtakrhnoCrHqhUQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-17 16:48                                                         ` Simo Sorce
     [not found]                                                           ` <1397753323.2628.60.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 16:55                                                             ` Andy Lutomirski
     [not found]                                                               ` <CALCETrXj6kD3E+vsaWmkrSbaQYTu=c-Hsw640jh4O+FbojYk2g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-17 17:12                                                                 ` Vivek Goyal
2014-04-17 17:26                                                                   ` Andy Lutomirski
     [not found]                                                                     ` <CALCETrVq4HRpfWOAbZAQbyjuraQd=OxnW=WjSoe5JgBzRStiKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-17 17:33                                                                       ` Simo Sorce
     [not found]                                                                         ` <1397756025.2628.64.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 17:35                                                                           ` Andy Lutomirski
     [not found]                                                                             ` <CALCETrVBJFgKwRKBE2jAG6kiGgkJ+MyQiw2nyz5yj0h68kCk9A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-17 17:47                                                                               ` Simo Sorce
     [not found]                                                                                 ` <1397756821.2628.69.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 18:05                                                                                   ` Andy Lutomirski
2014-04-17 18:23                                                                             ` Simo Sorce
     [not found]                                                                               ` <1397759013.2628.86.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 18:33                                                                                 ` Andy Lutomirski
2014-04-17 18:50                                                                                 ` Vivek Goyal
     [not found]                                                                                   ` <20140417185023.GA32527-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-17 18:57                                                                                     ` Vivek Goyal
     [not found]                                                                                       ` <20140417185742.GB32527-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-17 19:06                                                                                         ` Andy Lutomirski
     [not found]                                                                                           ` <CALCETrXJPJeGBdauQS_WR5FNaZXR=05NjNKuC6r0xFORt+eaJQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-17 19:15                                                                                             ` Simo Sorce
2014-04-17 19:19                                                                                               ` Andy Lutomirski
2014-04-17 19:10                                                                                     ` Simo Sorce
     [not found]                                                                                       ` <1397761817.2628.113.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 19:16                                                                                         ` Vivek Goyal
     [not found]                                                                                           ` <20140417191646.GA2461-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-17 19:46                                                                                             ` Andy Lutomirski
     [not found]                                                                                               ` <CALCETrW3F1+3qF3thrAmuoWVbRveBJ2=owpigh4mv6iAafoQCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-21 15:03                                                                                                 ` Vivek Goyal
2014-04-21 15:47                                                                                                   ` Andy Lutomirski
2014-04-23 15:07                                                                                                     ` Vivek Goyal
2014-04-23 15:37                                                                                                       ` Andy Lutomirski
2014-04-23 16:01                                                                                                         ` Vivek Goyal
2014-04-17 19:23                                                                                   ` Andy Lutomirski
2014-04-17 17:52                                                                       ` Simo Sorce
     [not found]                                                                         ` <1397757169.2628.75.camel-Hs+ccMQdwurzDu64bZtGtWD2FQJk+8+b@public.gmane.org>
2014-04-17 18:04                                                                           ` Andy Lutomirski
     [not found]                                                                             ` <CALCETrUon7mZzp12th2bZ=cJyTjn8ePwg_VtPWL_bykjnnpKLw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-17 18:31                                                                               ` Simo Sorce
2014-04-17 16:38                                               ` Vivek Goyal
2014-04-17 16:12                                         ` Vivek Goyal
2014-04-17 16:05                                       ` Andy Lutomirski
2014-04-23 16:45           ` Vivek Goyal
2014-04-23 17:29             ` David Miller
     [not found]               ` <20140423.132955.671992126955940387.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-04-24 20:34                 ` Vivek Goyal
     [not found]                   ` <20140424203427.GC19091-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-24 20:48                     ` David Miller
2014-04-24 21:04                       ` Vivek Goyal
2014-04-24 21:11                         ` David Miller
     [not found]                           ` <20140424.171155.806959282091051918.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-04-25  0:29                             ` Simo Sorce
     [not found] ` <1397596546-10153-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-22 20:05   ` [PATCH 0/2] net: Implement SO_PEERCGROUP and SO_PASSCGROUP socket options David Miller
2014-04-22 20:08     ` Andy Lutomirski
2014-04-22 20:29       ` David Miller
2014-04-22 20:31         ` Andy Lutomirski
2014-04-22 20:32           ` David Miller
     [not found]             ` <20140422.163251.1863774803211446171.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-04-23  0:37               ` Andy Lutomirski
     [not found]           ` <CALCETrX_TCbKy-3W590wG3rq9O3Hzbqc_wu3EGg7PKn2NNsTpQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-23 19:05             ` Vivek Goyal
2014-04-23 20:53               ` Daniel J Walsh
     [not found]                 ` <5358284B.7020706-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-24 13:01                   ` Vivek Goyal
     [not found]     ` <20140422.160558.627080587952506099.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-04-23 15:55       ` Vivek Goyal
     [not found]         ` <20140423155512.GA24651-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-23 16:16           ` Vivek Goyal
2014-04-23 17:21         ` Andy Lutomirski

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