On Thu, Aug 21, 2014 at 3:26 PM, Marcel Holtmann <mar...@holtmann.org> wrote: > Hi Andy, > >>> I am trying to use clone() and CLONE_NEWUSER for creating a new user >>> namespace as an unprivileged user. I always get an operation not permitted >>> error. However when I used fork() + unshare() as unprivileged user, I can >>> create the new user namespace just fine. >>> >>> Is there something obvious that I am missing? My understand is that >>> CLONE_NEWUSER should not require any special capabilities. I tried the >>> sample code from the manpage and also from LWN.net, but both give me the >>> same error. >> >> It works for me on 3.16 and 3.15 but not on 3.15.8-200.fc20.x86_64. I'm >> a bit confused. What kernel are you using? > > I am running 3.15.6-200.fc20.x86_64 actually. What confused me is that fork() > + unshare() works fine, but clone() doesn't.
Ok, tracked it down. This is a Fedora-specific issue. https://bugzilla.redhat.com/show_bug.cgi?id=917708 --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/