i modified /etc/apparmor.d/abstractions/fonts by adding w to owner @{HOME}/.{,cache/}fontconfig/ r, and replaced ff apparmor profile with "sudo apparmor_parser -r -T -W /etc/apparmor.d/usr.bin.firefox". then i tried to open a page, and i got these:
Feb 3 21:26:26 dinar-Lenovo-G580 kernel: [14092.695137] audit: type=1400 audit(1580754386.268:292): apparmor="DENIED" operation="mknod" profile="/usr/lib/firefox/firefox{,*[^s][^h]}" name="/home/dinar/.cache/fontconfig/CACHEDIR.TAG.TMP-ZjyBns" pid=8547 comm=57656220436F6E74656E74 requested_mask="c" denied_mask="c" fsuid=1000 ouid=1000 Feb 3 21:26:26 dinar-Lenovo-G580 kernel: [14092.695143] audit: type=1400 audit(1580754386.268:293): apparmor="DENIED" operation="mknod" profile="/usr/lib/firefox/firefox{,*[^s][^h]}" name="/home/dinar/.cache/fontconfig/a41116dafaf8b233ac2c61cb73f2ea5f- le64.cache-7.TMP-6nwuBp" pid=8547 comm=57656220436F6E74656E74 requested_mask="c" denied_mask="c" fsuid=1000 ouid=1000 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861408 Title: firefox apparmor messages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1861408/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs