[GH-ISSUE #5832] firefox: Error: invalid --env setting (Debian) #3107

Closed
opened 2026-05-05 09:44:32 -06:00 by gitea-mirror · 1 comment
Owner

Originally created by @bananaliker on GitHub (May 17, 2023).
Original GitHub issue: https://github.com/netblue30/firejail/issues/5832

When executing 'firejail --debug --profile=firefox firefox -p' in terminal, on Debian 11, firefox fails to launch and I get the following output:

Found firefox.profile profile in /etc/firejail directory
Reading profile /etc/firejail/firefox.profile
Found whitelist-usr-share-common.inc profile in /etc/firejail directory
Reading profile /etc/firejail/whitelist-usr-share-common.inc
Found firefox-common.profile profile in /etc/firejail directory
Reading profile /etc/firejail/firefox-common.profile
Found disable-common.inc profile in /etc/firejail directory
Reading profile /etc/firejail/disable-common.inc
Found disable-devel.inc profile in /etc/firejail directory
Reading profile /etc/firejail/disable-devel.inc
Found disable-exec.inc profile in /etc/firejail directory
Reading profile /etc/firejail/disable-exec.inc
Found disable-interpreters.inc profile in /etc/firejail directory
Reading profile /etc/firejail/disable-interpreters.inc
Found disable-programs.inc profile in /etc/firejail directory
Reading profile /etc/firejail/disable-programs.inc
Found whitelist-common.inc profile in /etc/firejail directory
Reading profile /etc/firejail/whitelist-common.inc
Found whitelist-runuser-common.inc profile in /etc/firejail directory
Reading profile /etc/firejail/whitelist-runuser-common.inc
Found whitelist-var-common.inc profile in /etc/firejail directory
Reading profile /etc/firejail/whitelist-var-common.inc
Warning: networking feature is disabled in Firejail configuration file
Warning: Warning: NVIDIA card detected, nogroups command disabled
conditional BROWSER_DISABLE_U2F, nou2f
conditional BROWSER_DISABLE_U2F, private-dev
Building quoted command line: 'firefox' '-p'
Command name #firefox#
Seccomp list in: !chroot, check list: @default-keep, prelist: unknown,
DISPLAY=:0.0 parsed as 0
xdg-dbus-proxy arg: unix:path=/run/user/1000/bus
xdg-dbus-proxy arg: /run/firejail/dbus/1000/13669-user
xdg-dbus-proxy arg: --filter
xdg-dbus-proxy arg: --own=org.mozilla.Firefox.*
xdg-dbus-proxy arg: --own=org.mozilla.firefox.*
xdg-dbus-proxy arg: --own=org.mpris.MediaPlayer2.firefox.*
starting xdg-dbus-proxy
sbox exec: /usr/bin/xdg-dbus-proxy --fd=8 --args=9
Dropping all capabilities
Drop privileges: pid 13670, uid 1000, gid 1000, nogroups 1
No supplementary groups
xdg-dbus-proxy initialized
Using the local network stack
Parent pid 13669, child pid 13672
Initializing child process
Host network configured
PID namespace installed
Mounting tmpfs on /run/firejail/mnt directory
Creating empty /run/firejail/mnt/seccomp directory
Creating empty /run/firejail/mnt/seccomp/seccomp.protocol file
Creating empty /run/firejail/mnt/seccomp/seccomp.postexec file
Creating empty /run/firejail/mnt/seccomp/seccomp.postexec32 file
IBUS_ADDRESS=
Error: invalid --env setting
Error: proc 13669 cannot sync with peer: unexpected EOF
Peer 13672 unexpectedly exited with status 1

Strangely, adding net=none to the command line allows Firefox to launch, but is obviously rather pointless. Any help would be much appreciated. This is on XFCE, launched through LightDM, if that's important.

Originally created by @bananaliker on GitHub (May 17, 2023). Original GitHub issue: https://github.com/netblue30/firejail/issues/5832 When executing 'firejail --debug --profile=firefox firefox -p' in terminal, on Debian 11, firefox fails to launch and I get the following output: Found firefox.profile profile in /etc/firejail directory Reading profile /etc/firejail/firefox.profile Found whitelist-usr-share-common.inc profile in /etc/firejail directory Reading profile /etc/firejail/whitelist-usr-share-common.inc Found firefox-common.profile profile in /etc/firejail directory Reading profile /etc/firejail/firefox-common.profile Found disable-common.inc profile in /etc/firejail directory Reading profile /etc/firejail/disable-common.inc Found disable-devel.inc profile in /etc/firejail directory Reading profile /etc/firejail/disable-devel.inc Found disable-exec.inc profile in /etc/firejail directory Reading profile /etc/firejail/disable-exec.inc Found disable-interpreters.inc profile in /etc/firejail directory Reading profile /etc/firejail/disable-interpreters.inc Found disable-programs.inc profile in /etc/firejail directory Reading profile /etc/firejail/disable-programs.inc Found whitelist-common.inc profile in /etc/firejail directory Reading profile /etc/firejail/whitelist-common.inc Found whitelist-runuser-common.inc profile in /etc/firejail directory Reading profile /etc/firejail/whitelist-runuser-common.inc Found whitelist-var-common.inc profile in /etc/firejail directory Reading profile /etc/firejail/whitelist-var-common.inc Warning: networking feature is disabled in Firejail configuration file Warning: Warning: NVIDIA card detected, nogroups command disabled conditional BROWSER_DISABLE_U2F, nou2f conditional BROWSER_DISABLE_U2F, private-dev Building quoted command line: 'firefox' '-p' Command name #firefox# Seccomp list in: !chroot, check list: @default-keep, prelist: unknown, DISPLAY=:0.0 parsed as 0 xdg-dbus-proxy arg: unix:path=/run/user/1000/bus xdg-dbus-proxy arg: /run/firejail/dbus/1000/13669-user xdg-dbus-proxy arg: --filter xdg-dbus-proxy arg: --own=org.mozilla.Firefox.* xdg-dbus-proxy arg: --own=org.mozilla.firefox.* xdg-dbus-proxy arg: --own=org.mpris.MediaPlayer2.firefox.* starting xdg-dbus-proxy sbox exec: /usr/bin/xdg-dbus-proxy --fd=8 --args=9 Dropping all capabilities Drop privileges: pid 13670, uid 1000, gid 1000, nogroups 1 No supplementary groups xdg-dbus-proxy initialized Using the local network stack Parent pid 13669, child pid 13672 Initializing child process Host network configured PID namespace installed Mounting tmpfs on /run/firejail/mnt directory Creating empty /run/firejail/mnt/seccomp directory Creating empty /run/firejail/mnt/seccomp/seccomp.protocol file Creating empty /run/firejail/mnt/seccomp/seccomp.postexec file Creating empty /run/firejail/mnt/seccomp/seccomp.postexec32 file IBUS_ADDRESS= Error: invalid --env setting Error: proc 13669 cannot sync with peer: unexpected EOF Peer 13672 unexpectedly exited with status 1 Strangely, adding net=none to the command line allows Firefox to launch, but is obviously rather pointless. Any help would be much appreciated. This is on XFCE, launched through LightDM, if that's important.
gitea-mirror 2026-05-05 09:44:32 -06:00
  • closed this issue
  • added the
    notabug
    label
Author
Owner

@bananaliker commented on GitHub (May 17, 2023):

Nevermind, I just needed to use the backports version of firejail!

<!-- gh-comment-id:1551174963 --> @bananaliker commented on GitHub (May 17, 2023): Nevermind, I just needed to use the backports version of firejail!
Sign in to join this conversation.
No milestone
No project
No assignees
1 participant
Notifications
Due date
The due date is invalid or out of range. Please use the format "yyyy-mm-dd".

No due date set.

Dependencies

No dependencies set.

Reference: github-starred/firejail#3107
No description provided.