Thank you for your bug report, do you still get that issue? What Ubuntu
version do you use? What actions do you do exactly to trigger the
errors?
** Changed in: gnome-system-monitor (Ubuntu)
Importance: Undecided => Low
** Changed in: gnome-system-monitor (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: snap
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https://bugs.launchpad.net/bugs/1778332
Title:
Apparmor Permission Denied (apparmor="DENIED")
Status in gnome-system-monitor package in Ubuntu:
Incomplete
Bug description:
I try to launch the system monitor but nothing show up.
journalctl -f
Result:
Jun 23 19:04:24 laptop-hostname audit[8109]: AVC apparmor="DENIED"
operation="capable" profile="snap-update-ns.gnome-system-monitor" pid=8109
comm="3" capability=6 capname="setgid"
Jun 23 19:04:24 laptop-hostname kernel: audit: type=1400
audit(1529751864.744:47): apparmor="DENIED" operation="capable"
profile="snap-update-ns.gnome-system-monitor" pid=8109 comm="3" capability=6
capname="setgid"
Jun 23 19:04:24 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[8097]: cannot update snap
namespace: cannot drop supplementary groups: operation not permitted
Jun 23 19:04:24 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[8097]: snap-update-ns failed
with code 1: File exists
Jun 23 19:04:28 laptop-hostname pkexec[8128]: pam_unix(polkit-1:session):
session opened for user root by (uid=1000)
/var/log/syslog
Result:
Jun 23 19:03:17 laptop-hostname kernel: [ 433.266715] audit: type=1400
audit(1529751797.796:42): apparmor="DENIED" operation="mount" info="failed
srcname match" error=-13 profile="snap-update-ns.gnome-system-monitor"
name="/snap/gnome-system-monitor/45/gnome-platform/" pid=7471 comm="3"
srcname="/snap/gnome-3-26-1604/64/" flags="rw, bind"
Jun 23 19:03:17 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[7456]: 2018/06/23
19:03:17.799121 main.go:192: cannot change mount namespace of snap
"gnome-system-monitor" according to change mount (/snap/gnome-3-26-1604/64
/snap/gnome-system-monitor/45/gnome-platform none bind,ro 0 0): permission
denied
Jun 23 19:03:17 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[7456]: 2018/06/23
19:03:17.833637 main.go:192: cannot change mount namespace of snap
"gnome-system-monitor" according to change mount
(/var/lib/snapd/hostfs/usr/local/share/fonts /usr/local/share/fonts none
bind,ro 0 0): permission denied
Jun 23 19:03:17 laptop-hostname kernel: [ 433.301209] audit: type=1400
audit(1529751797.828:43): apparmor="DENIED" operation="mount" info="failed
srcname match" error=-13 profile="snap-update-ns.gnome-system-monitor"
name="/usr/local/share/fonts/" pid=7471 comm="3" flags="ro, remount, bind"
Jun 23 19:03:17 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[7456]: 2018/06/23
19:03:17.835300 main.go:192: cannot change mount namespace of snap
"gnome-system-monitor" according to change mount
(/var/lib/snapd/hostfs/usr/share/fonts /usr/share/fonts none bind,ro 0 0):
permission denied
Jun 23 19:03:17 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[7456]: 2018/06/23
19:03:17.838094 main.go:192: cannot change mount namespace of snap
"gnome-system-monitor" according to change mount
(/var/lib/snapd/hostfs/var/cache/fontconfig /var/cache/fontconfig none bind,ro
0 0): permission denied
Jun 23 19:03:17 laptop-hostname kernel: [ 433.302850] audit: type=1400
audit(1529751797.832:44): apparmor="DENIED" operation="mount" info="failed
srcname match" error=-13 profile="snap-update-ns.gnome-system-monitor"
name="/usr/share/fonts/" pid=7471 comm="3" flags="ro, remount, bind"
Jun 23 19:03:17 laptop-hostname kernel: [ 433.305652] audit: type=1400
audit(1529751797.832:45): apparmor="DENIED" operation="mount" info="failed
srcname match" error=-13 profile="snap-update-ns.gnome-system-monitor"
name="/var/cache/fontconfig/" pid=7471 comm="3" flags="ro, remount, bind"
Jun 23 19:03:17 laptop-hostname kernel: [ 433.336540] audit: type=1400
audit(1529751797.864:46): apparmor="DENIED" operation="capable"
profile="snap-update-ns.gnome-system-monitor" pid=7478 comm="3" capability=6
capname="setgid"
Jun 23 19:03:17 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[7456]: cannot update snap
namespace: cannot drop supplementary groups: operation not permitted
Jun 23 19:03:17 laptop-hostname
gnome-system-monitor_gnome-system-monitor.desktop[7456]: snap-update-ns failed
with code 1
Jun 23 19:03:18 laptop-hostname PackageKit: resolve transaction /260_bebcecdc
from uid 1000 finished with success after 610ms
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