Public bug reported:
# Steps to reproduce
1) Install Chromium's snap
snap install chromium
2) Monitor logs
journalctl -o cat -f --grep chromium
3) Start Chromium
journalctl will be filled with errors due to some syscalls not permitted
by the seccomp policy, like those:
Apr 14 11:18:14 sdeziel-lemur audit[1734639]: SECCOMP auid=1000 uid=1000
gid=1000 ses=3 subj=snap.chromium.chromium pid=1734639 comm="chrome"
exe="/snap/chromium/1961/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e
syscall=314 compat=0 ip=0x77ccfac2276d code=0x50000
Apr 14 11:18:14 sdeziel-lemur audit[1734751]: SECCOMP auid=1000 uid=1000
gid=1000 ses=3 subj=snap.chromium.chromium pid=1734751 comm="chrome"
exe="/snap/chromium/1961/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e
syscall=312 compat=0 ip=0x7a9d5be7f76d code=0x50000
Apr 14 11:18:14 sdeziel-lemur audit[1734790]: SECCOMP auid=1000 uid=1000
gid=1000 ses=3 subj=snap.chromium.chromium pid=1734790 comm="chrome"
exe="/snap/chromium/1961/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e
syscall=330 compat=0 ip=0x735f8ecd303b code=0x50000
# Additional information
$ uname -a
Linux sdeziel-lemur 5.13.0-39-generic #44~20.04.1-Ubuntu SMP Thu Mar 24
16:43:35 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -rd
Description: Ubuntu 20.04.4 LTS
Release: 20.04
$ snap list chromium
Name Version Rev Tracking Publisher Notes
chromium 100.0.4896.88 1961 latest/stable canonical✓ -
$ snap connections chromium
Interface Plug Slot
Notes
audio-playback chromium:audio-playback
:audio-playback -
audio-record chromium:audio-record :audio-record
-
bluez chromium:bluez :bluez
-
browser-support chromium:browser-sandbox
:browser-support -
camera chromium:camera :camera
manual
content[gnome-3-38-2004] chromium:gnome-3-38-2004
gnome-3-38-2004:gnome-3-38-2004 -
content[gtk-3-themes] chromium:gtk-3-themes
gtk-common-themes:gtk-3-themes -
content[icon-themes] chromium:icon-themes
gtk-common-themes:icon-themes -
content[sound-themes] chromium:sound-themes
gtk-common-themes:sound-themes -
cups-control chromium:cups-control :cups-control
-
desktop chromium:desktop :desktop
-
desktop-legacy chromium:desktop-legacy
:desktop-legacy -
gsettings chromium:gsettings :gsettings
-
home chromium:home :home
-
joystick chromium:joystick :joystick
-
mount-observe chromium:mount-observe -
-
mpris -
chromium:mpris -
network chromium:network :network
-
network-bind chromium:network-bind :network-bind
-
network-manager chromium:network-manager -
-
opengl chromium:opengl :opengl
-
password-manager-service chromium:password-manager-service -
-
personal-files chromium:chromium-config
:personal-files -
pulseaudio chromium:pulseaudio -
-
raw-usb chromium:raw-usb -
-
removable-media chromium:removable-media
:removable-media -
screen-inhibit-control chromium:screen-inhibit-control
:screen-inhibit-control -
system-files chromium:etc-chromium-browser-policies :system-files
-
system-packages-doc chromium:system-packages-doc
:system-packages-doc -
u2f-devices chromium:u2f-devices :u2f-devices
-
unity7 chromium:unity7 :unity7
-
upower-observe chromium:upower-observe
:upower-observe -
wayland chromium:wayland :wayland
-
x11 chromium:x11 :x11
-
** Affects: chromium-browser (Ubuntu)
Importance: Undecided
Status: New
** Tags: snap
** Tags added: snap
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https://bugs.launchpad.net/bugs/1969141
Title:
[snap] seccomp denials for syscall=312,314,330 on amd64
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