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Re: [patch 8/9] unprivileged mounts: propagation: inherit owner from parent [message #26081 is a reply to message #26052] Tue, 15 January 2008 10:39 Go to previous messageGo to previous message
Miklos Szeredi is currently offline  Miklos Szeredi
Messages: 161
Registered: April 2007
Senior Member
> Quoting Miklos Szeredi (miklos@szeredi.hu):
> > From: Miklos Szeredi <mszeredi@suse.cz>
> > 
> > On mount propagation, let the owner of the clone be inherited from the
> > parent into which it has been propagated.  Also if the parent has the
> > "nosuid" flag, set this flag for the child as well.
> 
> What about nodev?

Hmm, I think the nosuid thing is meant to prevent suid mounts being
introduced into a "suidless" namespace.  This doesn't apply to dev
mounts, which are quite safe in a suidless environment, as long as the
user is not able to create devices.  But that should be taken care of
by capability tests.

I'll update the description.

Thanks,
Miklos
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