From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#35662: Really relocatable binaries crash with Permission denied
Date: Tue, 14 May 2019 22:43:56 +0200
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To: "pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de>
Cc: 35662@debbugs.gnu.org

"pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de> skribis:

> On Mon, May 13, 2019 at 10:45:24PM +0200, pelzflorian (Florian Pelz) wrot=
e:
>> On Mon, May 13, 2019 at 10:39:21PM +0200, Ludovic Court=C3=A8s wrote:
>> > I suspect ZFS-on-Linux (right?) is doing something unusual here:
>>=20
>> I suppose it is ZFS on Linux; it is Linux, I can ask the admins if it
>> could be something else.
>>=20
>
> The admins have confirmed that they use =E2=80=9CProxmox on ZFS=E2=80=9D =
(judging from
> <https://pve.proxmox.com/wiki/ZFS_on_Linux> it is ZFS on Linux) and
> they have confirmed that they have disabled user namespaces in their
> Proxmox settings.

User namespaces are orthogonal to file systems, but anyway it looks like
ZFS is refusing to let us do these things.

I don=E2=80=99t have any great option to offer.  You could perhaps modify
run-in-namespace.c so that it doesn=E2=80=99t even try user namespaces and
instead goes directly to the PRoot option?

However working around this behavior of ZFS it not completely trivial
and I=E2=80=99m not sure we should put much energy to paper over non-standa=
rd
file system behavior.

Thoughts?

Ludo=E2=80=99.