KATOH Yasufumi: > (Vanilla kernel does not allow root in a user namespace to mount > overlayfs. So I guess it is only the case of ubuntu kernel.)
I see. That must be the point I missed. > I also don't understand it well. But I ran the test program. > * I can reproduce by overlayfs > * I can't reproduce by aufs Thank you very much. Now I understand that chmod() in childFunc() succeeded unexpectedly. That is the point. Also I am happy to know that aufs doesn't have such security hole. Thanx again J. R. Okajima ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140
