Re: Chroot bug

From: Al Viro
Date: Wed Sep 26 2007 - 09:42:48 EST

On Wed, Sep 26, 2007 at 03:11:33PM +0200, Miloslav Semler wrote:
> >As for the nested-chroot() bit, the root user inside of a chroot is
> >always allowed to chroot(). This is necessary for test-suites for
> >various distro installers, chroot once to enter the installer playpen,
> >installer chroots again to configure the test-installed-system. Once
> >you allow a second chroot, you're back at the "can't reliably and
> >efficiently track directory sub-tree members" problem.
> >
> >So if you think it can and should be fixed, then PROVIDE THE CODE.
> Miloslav Semler

man openat

This is really pointless, anyway - any code that expects chroot to be
root-proof is terminally broken.
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