Public bug reported:

While using Firefox (the default snap installation, Kubuntu 24.04) AppArmor 
keeps spamming dmesg with messages like this:
[  278.687693] audit: type=1400 audit(1778985369.081:166): apparmor="DENIED" 
operation="open" class="file" profile="snap.firefox.firefox" 
name="/proc/pressure/memory" pid=2641 comm="firefox" requested_mask="r" 
denied_mask="r" fsuid=1000 ouid=0

Apparently Firefox is trying to read the PSI statistics from the OS, but the 
AppArmor profile is blocking this.
Is this intended behaviour or a packaging quirk?
I tried using Apport to report this, but it says "The problem cannot be 
reported because no contact address has been provided" (??), so if this 
AppArmor config issue does not belong here, let me know.
Thanks!

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2152815

Title:
  Firefox tries to read PSI from the OS but AppArmor keeps blocking it

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