[lxc-users] Question on strange ls -lh

[Serge E. Hallyn]

On Sat, Jan 05, 2019 at 11:20:52PM +0100, Pierre Couderc wrote:
> Strange ls -lh :
> 
> On the host :
> 
> root at server:/# ls -lh /var/lib/lxd/containers/bind/rootfs/
> total 0
> .......
> drwxr-xr-x 1 231072 231072    0 Oct  4 07:25 opt
> drwxr-xr-x 1 231072 231072    0 Jun 26  2018 proc
> drwx------ 1 231072 231072  102 Jan  5 19:19 root
> ...
> 
> The same directory in the "bind" container :
> 
> root at bind:/etc/bind/normal# ls -lh /
> total 0
> ....
> drwxr-xr-x   1 root   root       0 Oct  4 07:25 opt
> dr-xr-xr-x 250 nobody nogroup    0 Oct 30 09:21 proc
> drwx------   1 root   root     102 Jan  5 19:19 root
> ...
> 
> Question :
> 
> 1- why /proc is owned by nobody.nogroup inside the container and on the host
> by  231072.231072 , which seems to be root.root ?
> 
> 2- how can this occur ?
> 
> The container is in bad state as "ps -aux" work no more...
> 
> Thanks all,
> 
> and Happy new year to all, and particularly the team of brave developers...

Bit late, but

I would take a look at /proc/self/mounts and /proc/$(lxc-info -p -n media -H)/mountinfo.
I'm guessing the mntid will be different for the proc entries.