UML mount failure with Linux 6.11

[Ritesh Raj Sarraf <rrs@debian.org>]

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Hello,


Recently I updated the UML package to Linux 6.11 in Debian. Upon it, it
reports the below regression wherein UML cannot mount file systems of
type hostfs

We have it reported on the Debian bug tracker as well.

* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1086194


The mount failures report as:

```
Oct 30 05:57:41 uml systemd[1]: Mounting usr-lib-modules.mount -
/usr/lib/modules...
Oct 30 05:57:42 uml systemd[1]: usr-lib-modules.mount: Mount process exited, code=exited, status=32/n/a
Oct 30 05:57:42 uml mount[814]: mount: /usr/lib/modules: fsconfig system call failed: hostfs: Unknown parameter '/usr/lib/uml/modules'.
Oct 30 05:57:42 uml mount[814]:        dmesg(1) may have more information after failed mount system call.
Oct 30 05:57:42 uml systemd[1]: usr-lib-modules.mount: Failed with result 'exit-code'.
Oct 30 05:57:42 uml systemd[1]: Failed to mount usr-lib-modules.mount - /usr/lib/modules.

```

As I understand it, the issue was first seen in July, around 6.11 rc1.

*
https://lore.kernel.org/all/CAHk-=wjH5uKPB6xrWoB8WkBMuLEJO2UsidKE1wV8XSXjAUFO8Q@mail.gmail.com/


Thanks,
Ritesh

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