On Sat, 21 Apr 2007 10:09:42 +0200 Miklos Szeredi <[email protected]> wrote:
> > > +static bool permit_umount(struct vfsmount *mnt, int flags)
> > > +{
> > >
> > > ...
> > >
> > > + return mnt->mnt_uid == current->uid;
> > > +}
> >
> > Yes, this seems very wrong. I'd have thought that comparing user_struct*'s
> > would get us a heck of a lot closer to being able to support aliasing of
> > UIDs between different namespaces.
> >
>
> OK, I'll fix this up.
>
> Actually an earlier version of this patch did use user_struct's but
> I'd changed it to uids, because it's simpler.
OK..
> I didn't think about
> this being contrary to the id namespaces thing.
Well I was madly assuming that when serarate UID namespaces are in use, UID
42 in container A will have a different user_struct from UID 42 in
container B. I'd suggest that we provoke an opinion from Eric & co before
you do work on this.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
