Hi Ritesh,

* Colin Watson <cjwat...@debian.org> [2024-10-29 12:09]:
On Tue, Oct 29, 2024 at 11:05:50AM +0530, Ritesh Raj Sarraf wrote:
I'd need more information. I'm presuming it isn't happening on just UML ?

No, "fakemachine -b kvm" works fine.  It's just UML.

I think it is hostfs and I guess it is related to the new mount API discussed here:

https://lore.kernel.org/all/CANP3RGceNzwdb7w=vPf5=7bcid5hvqdmz1k5kc9jg42+hva...@mail.gmail.com/

A minimal reproduce is:

$ mmdebstrap --variant=essential --include=init --customize-hook='passwd -d --root 
"$1" root' unstable unstable.ext4
$ linux ubd0=unstable.ext4 systemd.unit=rescue.target

# inside UML

Press Enter for maintenance
(or press Control-D to continue):
root@host:~# mount none /mnt/host -t hostfs
mount: /mnt/host: fsconfig system call failed: Bad address.
       dmesg(1) may have more information after failed mount system call.
root@host:~# mount none /mnt/home -t hostfs -o /home
mount: /mnt/home: fsconfig system call failed: hostfs: Unknown parameter 
'/home'.
       dmesg(1) may have more information after failed mount system call.

Cheers Jochen

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