[pkg-apparmor] Bug#920833: Bug#920833: apparmor: AppArmor denies access to mime-specifc files for various GUI applications

[intrigeri]

Control: tag -1 + moreinfo

> After recent updates on Sid, multiple GUI applications (like
> Thunderbird, Firefox, qTox) on KDE are hit by these kind of denies:

> ```
> type=AVC msg=audit(1548784946.545:1896): apparmor="DENIED"
> operation="open" profile="thunderbird"
> name="/home/vincas/.local/share/mime/mime.cache" pid=2866
> comm="thunderbird" requested_mask="r" denied_mask="r" fsuid=1000
> ouid=1000

I can't reproduce this.

I see that you have modified a few tunables files locally.
I wonder if this affects how @{user_share_dirs} is used.
Can you please retry with a pristine config?