Re: [PATCH -mm 5/7] add user namespace

On Thu, 2006-07-13 at 21:45 -0600, Eric W. Biederman wrote:
> I think for filesystems like /proc and /sys that there will normally
> be problems.  However many of those problems can be rationalized away
> as a reasonable optimization, or are not immediately apparent.

Could you talk about some of these problems?

> Passing a file descriptor between process in a unix domain socket is
> a case where I can easily construct scenarios where there are
> indisputable problems.  It is one of my standard thought experiments
> to see if a namespace is sound.

Care to share some of those indisputable problems?

-- Dave

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [PATCH -mm 5/7] add user namespace
    • From: [email protected] (Eric W. Biederman)

• References:
  • [PATCH -mm 0/7] execns syscall and user namespace
    • From: Cedric Le Goater <[email protected]>
  • [PATCH -mm 5/7] add user namespace
    • From: Cedric Le Goater <[email protected]>
  • Re: [PATCH -mm 5/7] add user namespace
    • From: [email protected] (Eric W. Biederman)
  • Re: [PATCH -mm 5/7] add user namespace
    • From: Cedric Le Goater <[email protected]>
  • Re: [PATCH -mm 5/7] add user namespace
    • From: [email protected] (Eric W. Biederman)
  • Re: [PATCH -mm 5/7] add user namespace
    • From: Cedric Le Goater <[email protected]>
  • Re: [PATCH -mm 5/7] add user namespace
    • From: "Serge E. Hallyn" <[email protected]>
  • Re: [PATCH -mm 5/7] add user namespace
    • From: [email protected] (Eric W. Biederman)
  • Re: [PATCH -mm 5/7] add user namespace
    • From: Dave Hansen <[email protected]>
  • Re: [PATCH -mm 5/7] add user namespace
    • From: [email protected] (Eric W. Biederman)
  • Re: [PATCH -mm 5/7] add user namespace
    • From: Dave Hansen <[email protected]>
  • Re: [PATCH -mm 5/7] add user namespace
    • From: [email protected] (Eric W. Biederman)

• Prev by Date: Re: [PATCH 1/2] mm: nonresident page tracking
• Next by Date: Re: [PATCH] kthread: airo.c
• Previous by thread: Re: [PATCH -mm 5/7] add user namespace
• Next by thread: Re: [PATCH -mm 5/7] add user namespace
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]