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Date:      Wed, 29 Sep 2021 15:00:43 -0300
From:      Mario Lobo <lobo@bsd.com.br>
To:        "freebsd-questions@freebsd.org" <FreeBSD-Questions@freebsd.org>, freebsd-virtualization@freebsd.org
Subject:   Running VirtualBox as non-root user
Message-ID:  <CA%2ByoEx9iL_%2BjHH1tmmt9qAQRYTxq1uO_hscx0VKZ9%2BEL=f0DOQ@mail.gmail.com>

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Hi;

Here is what I've done so far:

- Created user vbox and put it in vboxuser group
- Went as far as chown -R vbox:vboxuser /usr/local/lib/virtualbox
- Executables are with the SUiD bit set
-r-s--x---  1 vbox  vboxusers     32064 Sep 21 22:18 VBoxSDL
-r-s--x---  1 vbox  vboxusers     16064 Sep 21 22:18 VBoxNetAdpCtl
-r-s--x---  1 vbox  vboxusers     32064 Sep 21 22:18 VBoxNetDHCP
-r-s--x---  1 vbox  vboxusers     32064 Sep 21 22:18 VBoxNetNAT
-r-s--s---  1 vbox  vboxusers     32352 Sep 22 17:55 VirtualBoxVM

- Imported a test VM
- Ran the VM as root to make sure it's working
- started VirtualBox as user vbox, and it starts fine

VirtualBox GUI starts fine as user vbox but when I try to start the test VM
from it, I get:

Effective UID is not root (euid=1001 egid=920 uid=1001 gid=1001) (rc=-10)
where: SUPR3HardenedMain what: 2 VERR_PERMISSION_DENIED (-10) - Permission
denied.

Starting it from  VirtualBoxVM --startvm test issues the same error:

VirtualBoxVM: Error -10 in SUPR3HardenedMain!
VirtualBoxVM: Effective UID is not root (euid=1001 egid=920 uid=1001
gid=1001)
where: SUPR3HardenedMain
what:  2
VERR_PERMISSION_DENIED (-10) - Permission denied.

Any pointer for anything else I should be doing or is missing?

Thanks,
-- 
Mario Lobo
http://www.mallavoodoo.com.br
FreeBSD since version 2.2.8 [not Pro-Audio.... YET!!]



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