Messages in this thread | | | Date | Wed, 26 Sep 2007 16:51:12 +0200 | From | Miloslav Semler <> | Subject | Re: Chroot bug |
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Al Viro napsal(a): > 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. > So thanks for information. I did't know anything about *at functions. So it seems to be more complicated. But maybe it will be good write to manpage "other systems implement it by other way, so this feature is unportable". - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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