/etc/apparmor.d/abstractions/mysql is in apparmor 2.12-4ubuntu5.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | # ------------------------------------------------------------------
#
# Copyright (C) 2002-2006 Novell/SUSE
# Copyright (C) 2013 Christian Boltz
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License published by the Free Software Foundation.
#
# ------------------------------------------------------------------
/var/lib/mysql{,d}/mysql{,d}.sock rw,
/{var/,}run/mysql{,d}/mysql{,d}.sock rw,
/usr/share/{mysql,mysql-community-server,mariadb}/charsets/ r,
/usr/share/{mysql,mysql-community-server,mariadb}/charsets/*.xml r,
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