Re: sys_chroot+sys_fchdir Fix

[Serge E. Hallyn]

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?

-serge
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