[Bug 1553758] [NEW] usr.bin.firefox apparmor profile blocks access to meminfo

[Jean-Philippe Guérard]

Public bug reported:

When I launch Firefox with apparmor enabled, I sometimes get the
following error:

Mar  6 17:43:43 tigreraye kernel: [14527.976158] audit: type=1400
audit(1457282623.012:97): apparmor="DENIED" operation="open"
profile="/usr/lib/firefox/firefox{,*[^s][^h]}"
name="/sys/devices/system/node/node0/meminfo" pid=12864 comm="firefox"
requested_mask="r" denied_mask="r" fsuid=1000 ouid=0

Adding the following lines to the apparmor profile fixes the issue:

/sys/devices/system/node/node0/meminfo r,

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

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Title:
  usr.bin.firefox apparmor profile blocks access to meminfo

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