Hallo, I think I have the same issue.
Our NIS cluster works uses autofs, and in the nodes running ubuntu 22, snaps 
crash at start giving the error
`cannot open path of the current working directory: Permission denied`
Some users reported getting
`cannot create user data directory: /home/<username>/snap/firefox/1635: Stale 
file handle`
although I am not sure what they did.

At the moment our workaround is to run
`sudo systemctl restart snapd.service`
after logging in the first time. It seems the snaps do find the homes if snapd 
is started after autofs is already up and running. But for some weird reason, 
if a user logs out, and logs in again, snaps still work, but if ANOTHER user 
logs in, the new user has to restart snapd!

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https://bugs.launchpad.net/bugs/1884299

Title:
  Snaps don't run with NFS home on AutoFS

Status in firefox package in Ubuntu:
  Confirmed
Status in snapd package in Ubuntu:
  Confirmed

Bug description:
  My physical computer lab uses AutoFS home drives (per
  https://help.ubuntu.com/community/Autofs#Wildcard_characters).   If
  any user tries to run chromium browser, it fails.

  I assume it is related to these:
  https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1662552
  But that says a fix was released, but seems toi only work for NFS home drives
  https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1782873
  That ones is reported as a dupe but it's not, AutoFS home drives still don't 
work.

  $ chromium -v
  cannot create user data directory: /home/test.student2/snap/chromium/1193: 
Stale file handle

  $ tail -f /var/log/syslog
  Jun 19 11:21:09 tbl-h10-4 kernel: [18949.188657] nfs: RPC call returned error 
13
  Jun 19 11:21:09 tbl-h10-4 kernel: [18949.188666] nfs: RPC call returned error 
13
  Jun 19 11:21:09 tbl-h10-4 kernel: [18949.188695] audit: type=1400 
audit(1592590869.460:59): apparmor="DENIED" operation="sendmsg" 
profile="/snap/snapd/8140/usr/lib/snapd/snap-confine" pid=12884 
comm="snap-confine" laddr=192.168.43.216 lport=766 faddr=192.168.43.4 
fport=2049 family="inet" sock_type="stream" protocol=6 requested_mask="send" 
denied_mask="send"
  Jun 19 11:21:09 tbl-h10-4 kernel: [18949.188697] audit: type=1400 
audit(1592590869.460:60): apparmor="DENIED" operation="sendmsg" 
profile="/snap/snapd/8140/usr/lib/snapd/snap-confine" pid=12884 
comm="snap-confine" laddr=192.168.43.216 lport=766 faddr=192.168.43.4 
fport=2049 family="inet" sock_type="stream" protocol=6 requested_mask="send" 
denied_mask="send"

  $ lsb_release -rd
  Description:  Ubuntu 20.04 LTS

  $ apt policy chromium-browser
  chromium-browser:
    Installed: 81.0.4044.129-0ubuntu0.20.04.1
    Candidate: 81.0.4044.129-0ubuntu0.20.04.1
    Version table:
   *** 81.0.4044.129-0ubuntu0.20.04.1 500
          500 http://ca.archive.ubuntu.com/ubuntu focal-updates/universe amd64 
Packages
          100 /var/lib/dpkg/status
       80.0.3987.163-0ubuntu1 500
          500 http://ca.archive.ubuntu.com/ubuntu focal/universe amd64 Packages

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