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From: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Cc: Linux FS Devel
	<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Linux Containers
	<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [REVIEW][PATCH 1/2] userns: Better restrictions on when proc and sysfs can be mounted
Date: Tue, 27 Aug 2013 14:47:07 -0700	[thread overview]
Message-ID: <CALCETrWPDzuoaJp2ko5jAbwYUBqSdPjvO5uGo-gZVsS4Wm1PKQ@mail.gmail.com> (raw)
In-Reply-To: <878uzmhkqg.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>

On Tue, Aug 27, 2013 at 2:44 PM, Eric W. Biederman
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> wrote:
>
> Rely on the fact that another flavor of the filesystem is already
> mounted and do not rely on state in the user namespace.

Possibly dumb question: does this check whether the pre-existing mount
has hidepid set?

--Andy

  parent reply	other threads:[~2013-08-27 21:47 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-27 21:44 [REVIEW][PATCH 1/2] userns: Better restrictions on when proc and sysfs can be mounted Eric W. Biederman
     [not found] ` <878uzmhkqg.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-08-27 21:46   ` [REVIEW][PATCH 2/2] sysfs: Restrict mounting sysfs Eric W. Biederman
     [not found]     ` <874naahkng.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-08-28 19:00       ` Greg Kroah-Hartman
2013-09-23 10:33       ` James Hogan
     [not found]         ` <524018EA.9070202-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org>
2013-09-23 21:41           ` [PATCH] sysfs: Allow mounting without CONFIG_NET Eric W. Biederman
     [not found]             ` <87ioxrrzb6.fsf_-_-HxuHnoDHeQZYhcs0q7wBk77fW72O3V7zAL8bYrjMMd8@public.gmane.org>
2013-09-24 11:25               ` James Hogan
2013-08-27 21:47   ` Andy Lutomirski [this message]
     [not found]     ` <CALCETrWPDzuoaJp2ko5jAbwYUBqSdPjvO5uGo-gZVsS4Wm1PKQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-27 21:57       ` [REVIEW][PATCH 1/2] userns: Better restrictions on when proc and sysfs can be mounted Eric W. Biederman
2013-09-01  4:45         ` Eric W. Biederman
     [not found]           ` <87eh99noa0.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-09-03 17:40             ` Andy Lutomirski
2013-11-02  6:06   ` Gao feng
     [not found]     ` <52749663.2000701-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2013-11-04  7:00       ` Janne Karhunen
     [not found]         ` <CAE=NcrY+CzX+H4XQTdGj7CSZ98a5T=bNgT6=jGZzcjyaHb-ttw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-09  5:22           ` Eric W. Biederman
2013-11-08  2:33       ` Gao feng
     [not found]         ` <527C4D88.10907-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2013-11-09  5:42           ` Eric W. Biederman
     [not found]             ` <87k3gigmgj.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-11-13  7:26               ` Gao feng
     [not found]                 ` <5283299B.8080702-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2013-11-14 11:10                   ` Gao feng
     [not found]                     ` <5284AF90.7060506-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2013-11-14 16:54                       ` Andy Lutomirski
2013-11-15  1:16                         ` Gao feng
     [not found]                           ` <528575EC.2030309-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2013-11-15  4:54                             ` Eric W. Biederman
     [not found]                               ` <87txfexo25.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-11-15  6:14                                 ` Gao feng
     [not found]                                   ` <5285BBE2.7010001-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2013-11-15  8:37                                     ` Eric W. Biederman

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