[Bug 1593407] Re: Guest session cannot run snaps

[AG-Ubrio]

Hi Alberto, the audit log output when starting firefox is the following:

Sep 23 06:49:13 ub22mate audit[5486]: AVC apparmor="DENIED"
operation="mkdir" profile="/snap/snapd/16778/usr/lib/snapd/snap-confine"
name="/tmp/guest-tikhhx/" pid=5486 comm="snap-confine"
requested_mask="c" denied_mask="c" fsuid=997 ouid=997

The permissions of the created directory are:
guest-tikhhx at ub22mate:~$ ls -la /tmp/guest-tikhhx/snap/firefox/
insgesamt 0
drwxr-xr-x 4 guest-tikhhx guest-tikhhx 100 Sep 23 06:49 .
drwx------ 3 guest-tikhhx guest-tikhhx  60 Sep 23 06:49 ..
drwxr-xr-x 2 guest-tikhhx guest-tikhhx  40 Sep 23 06:49 1860
drwxr-xr-x 2 guest-tikhhx guest-tikhhx  40 Sep 23 06:49 common
lrwxrwxrwx 1 guest-tikhhx guest-tikhhx   4 Sep 23 06:49 current -> 1860

And just to be clear: this seems to be a Snap problem, not a Firefox
problem, as the Snaps of Chromium, Opera and Skype show same behaviour.

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https://bugs.launchpad.net/bugs/1593407

Title:
  Guest session cannot run snaps

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