Re: sys_chroot+sys_fchdir Fix

From: Serge E. Hallyn
Date: Tue Sep 25 2007 - 07:50:03 EST

Quoting David Newall (david@xxxxxxxxxxxxxxx):
> Serge E. Hallyn wrote:
>> Quoting David Newall (david@xxxxxxxxxxxxxxx):
>>> It might be tidy if pivot_root could be used (instead of a hack based on
>>> a chroot bug), but it'd still be unportable.
>> It can.
>> Please re-read my previous msg.
> I read it. Currently pivot_root can't be used to affect a single process.

No. If you unshare your mounts namespace immediately before pivot_root,
then pivot_root will only affect that single process.

> It can be modified; obviously. Maybe it should be, too, but is there a
> need for that?

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