On Mar 14, 2016 1:35 AM, "Serge Hallyn" <serge.hallyn@xxxxxxxxxx> wrote: > > Quoting Andy Lutomirski (luto@xxxxxxxxxx): > > We used to have ptmx be owned by the inner uid and gid 0. Change > > this: if the owner and group are both mapped but are not both 0, > > then use the owner instead. > > > > For container-style namespaces (LXC, etc), this should have no > > effect -- UID 0 is will either be the owner or will be unmapped. > > This doesn't seem right - it's often the case that the owner is mapped > in as non-0 uid, safe or not. The actual namespace root uid should be > the owner (so long as it exists). > > Why not reverse the cases? If 0 is not mapped, then check whether the > current_user_ns()->owner is mapped? Good point, and less chance of breakage that way as well. --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
