Webdav mounts broken since 25.10 (Quokka)

Support and Help
1

Ubuntu Version:
25.10

Desktop Environment (if applicable):
GNOME

Problem Description:
After upgrading from 25.04 to 25.10 my webdav mounts are broken. The mount operation itself works but no files can be listed and the ls output is the below. Nothing stated in the journal.

ls: general io error: Invalid argument (os error 22)

The following, related I think, package versions are used:

ii  davfs2             1.7.1-1        amd64        mount a WebDAV resource as a regular file system
ii  fuse3              3.17.4-1       amd64        Filesystem in Userspace (3.x version)
ii  libneon27t64:amd64 0.34.2-1build1 amd64        HTTP and WebDAV client library

Fuse itself is compiled into the kernel. I can manually mount these using Gnome Nautilus as it’s not using davfs2 I believe. My fstab lines look like the following:

https://<webdav link>  <mount point>  davfs      rw    0       0

Any help appreciated, I can’t find anything online about a similar problem. I reverted manually davfs2 to v1.6.1 to no avail so I’m back at the provided v1.7.1.

2

Can you mount it manually without using fstab?

3

No the result is the same if I mount it as follows:

sudo mount -t davfs <webdav link> <mountpoint>
4

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