Adding the following two permissions to the apparmor profile solves the
problem:
@{PROC}/[0-9]*/mounts r
/dev/disks/by-label/ r
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in Ubuntu.
https://bugs.launchpad.net/bugs/1414625
Title:
Temporarily grant additional rights to camera-app so it can read free
disk space
Status in apparmor-easyprof-ubuntu package in Ubuntu:
New
Bug description:
To fix a critical bug for RTM we need camera app to be able to know how much
free disk space is available. The bug is
https://bugs.launchpad.net/barajas/+bug/1405211
To do this it uses a library (that will be part of QT 5.4 when it is
released) that reads some system files in /proc and /dev that at the
moment generate the following denials:
[10846.769018] type=1400 audit(1422275993.028:285): apparmor="DENIED"
operation="open" profile="com.ubuntu.camera_camera_3.0.0.493"
name="/proc/22701/mounts" pid=22701 comm="camera-app" requested_mask="r"
denied_mask="r" fsuid=32011 ouid=32011
[10846.769192] type=1400 audit(1422275993.028:286): apparmor="DENIED"
operation="open" profile="com.ubuntu.camera_camera_3.0.0.493"
name="/dev/disk/by-label/" pid=22701 comm="camera-app" requested_mask="r"
denied_mask="r" fsuid=32011 ouid=0
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