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[GH-ISSUE #3842] Cannot launch Teams on POP!_OS 20.10 #2420

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opened 2026-05-05 09:05:46 -06:00 by gitea-mirror · 8 comments
gitea-mirror commented 2026-05-05 09:05:46 -06:00
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Originally created by @etnx on GitHub (Dec 21, 2020).
Original GitHub issue: https://github.com/netblue30/firejail/issues/3842

Problem occurs in : Pop!_OS 20.10 (linux kernel is 5.8.0-7630-generic)

me@mypc:~$ firejail teams
Reading profile /etc/firejail/teams.profile
Reading profile /etc/firejail/disable-devel.inc
Reading profile /etc/firejail/disable-exec.inc
Reading profile /etc/firejail/disable-interpreters.inc
Reading profile /etc/firejail/whitelist-common.inc
Reading profile /etc/firejail/whitelist-var-common.inc
Reading profile /etc/firejail/electron.profile
Reading profile /etc/firejail/disable-common.inc
Reading profile /etc/firejail/disable-passwdmgr.inc
Reading profile /etc/firejail/disable-programs.inc
Warning: networking feature is disabled in Firejail configuration file
Parent pid 10397, child pid 10398
Warning: cleaning all supplementary groups
Warning: cleaning all supplementary groups
Blacklist violations are logged to syslog
Child process initialized in 74.58 ms

No profile and disabling firejail

  • What changed calling firejail --noprofile /path/to/program in a terminal?
    ==> Everything OK

  • What changed calling the program by path (check which <program> or firejail --list while the sandbox is running)?
    Output :
    12511:me::firejail --noprofile /usr/bin/teams

Environment

etn@pc:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Pop
Description:	Pop!_OS 20.10
Release:	20.10
Codename:	groovy

Firejail version : 0.9.62.4

Additional context

Date :
The problem occured on november 18.
Before this date, I had no problem using teams with firejail.

In /var/log/syslog :

Dec 21 11:36:17 pc kernel: [ 3419.958239] audit: type=1400 audit(1608546977.495:30): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="firejail-default" pid=9704 comm="apparmor_parser"
Dec 21 11:36:25 pc kernel: [ 3427.762402] audit: type=1326 audit(1608546985.299:31): auid=1000 uid=1000 gid=1000 ses=3 subj=unconfined pid=10413 comm="teams" exe="/usr/share/teams/teams" sig=31 arch=c000003e syscall=161 compat=0 ip=0x7f90087fa67d code=0x0
Dec 21 11:36:25 pc kernel: [ 3427.866610] traps: teams[10408] trap int3 ip:562e5eba27c5 sp:7ffd259bba60 error:0 in teams[562e5b890000+53c4000]

debug.txt

Originally created by @etnx on GitHub (Dec 21, 2020). Original GitHub issue: https://github.com/netblue30/firejail/issues/3842 Problem occurs in : Pop!_OS 20.10 (linux kernel is 5.8.0-7630-generic) ``` me@mypc:~$ firejail teams Reading profile /etc/firejail/teams.profile Reading profile /etc/firejail/disable-devel.inc Reading profile /etc/firejail/disable-exec.inc Reading profile /etc/firejail/disable-interpreters.inc Reading profile /etc/firejail/whitelist-common.inc Reading profile /etc/firejail/whitelist-var-common.inc Reading profile /etc/firejail/electron.profile Reading profile /etc/firejail/disable-common.inc Reading profile /etc/firejail/disable-passwdmgr.inc Reading profile /etc/firejail/disable-programs.inc Warning: networking feature is disabled in Firejail configuration file Parent pid 10397, child pid 10398 Warning: cleaning all supplementary groups Warning: cleaning all supplementary groups Blacklist violations are logged to syslog Child process initialized in 74.58 ms ``` **No profile and disabling firejail** - What changed calling `firejail --noprofile /path/to/program` in a terminal? ==> Everything OK - What changed calling the program by path (check `which <program>` or `firejail --list` while the sandbox is running)? Output : `12511:me::firejail --noprofile /usr/bin/teams ` **Environment** ``` etn@pc:~$ lsb_release -a No LSB modules are available. Distributor ID: Pop Description: Pop!_OS 20.10 Release: 20.10 Codename: groovy ``` Firejail version : 0.9.62.4 **Additional context** Date : The problem occured on november 18. Before this date, I had no problem using teams with firejail. In /var/log/syslog : ``` Dec 21 11:36:17 pc kernel: [ 3419.958239] audit: type=1400 audit(1608546977.495:30): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="firejail-default" pid=9704 comm="apparmor_parser" Dec 21 11:36:25 pc kernel: [ 3427.762402] audit: type=1326 audit(1608546985.299:31): auid=1000 uid=1000 gid=1000 ses=3 subj=unconfined pid=10413 comm="teams" exe="/usr/share/teams/teams" sig=31 arch=c000003e syscall=161 compat=0 ip=0x7f90087fa67d code=0x0 Dec 21 11:36:25 pc kernel: [ 3427.866610] traps: teams[10408] trap int3 ip:562e5eba27c5 sp:7ffd259bba60 error:0 in teams[562e5b890000+53c4000] ``` [debug.txt](https://github.com/netblue30/firejail/files/5723922/debug.txt)
gitea-mirror 2026-05-05 09:05:46 -06:00
gitea-mirror commented 2026-05-05 09:05:48 -06:00
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@rusty-snake commented on GitHub (Dec 21, 2020):

Very likely fixed on master by

Read #3795 for better understanding of these changes.

If POP!_OS has AppArmor, also 9738b20511 (diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7).

<!-- gh-comment-id:748927402 --> @rusty-snake commented on GitHub (Dec 21, 2020): Very likely fixed on master by - https://github.com/netblue30/firejail/commit/a37c7d4e7ee8a928744be509850c7b48ff31badc#diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7 - https://github.com/netblue30/firejail/commit/3e7c4830443b3c438df6968a050e813efbf28e0b#diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7 - https://github.com/netblue30/firejail/commit/f4f6767458208a127084e4c0103fab88761d9056#diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7 Read #3795 for better understanding of these changes. If POP!_OS has AppArmor, also https://github.com/netblue30/firejail/commit/9738b20511a08e1e2f8155a5bce585c52a0e45f6#diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7.
gitea-mirror commented 2026-05-05 09:05:49 -06:00
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@etnx commented on GitHub (Dec 22, 2020):

I already ignored apparmor. I have updated (from Master branch) electron, firejail and firejail-for-linux profiles on my system (because of refactoring).
Now : Warning: networking feature is disabled in Firejail configuration file

debug.txt

<!-- gh-comment-id:749501264 --> @etnx commented on GitHub (Dec 22, 2020): I already ignored apparmor. I have updated (from Master branch) electron, firejail and firejail-for-linux profiles on my system (because of refactoring). Now : `Warning: networking feature is disabled in Firejail configuration file` [debug.txt](https://github.com/netblue30/firejail/files/5729652/debug.txt)
gitea-mirror commented 2026-05-05 09:05:50 -06:00
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@rusty-snake commented on GitHub (Dec 22, 2020):

I have updated (from Master branch) electron, firejail and firejail-for-linux profiles on my system (because of refactoring).

You need to update firejail as well, if you copy the profiles from master.

firejail and firejail-for-linux

Which one do you use? teams or teams-for-linux?

<!-- gh-comment-id:749506234 --> @rusty-snake commented on GitHub (Dec 22, 2020): > I have updated (from Master branch) electron, firejail and firejail-for-linux profiles on my system (because of refactoring). You need to update firejail as well, if you copy the profiles from master. > firejail and firejail-for-linux Which one do you use? teams or teams-for-linux?
gitea-mirror commented 2026-05-05 09:05:51 -06:00
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@szemy commented on GitHub (Jan 14, 2021):

I have a similar issue on Arch:
In firejail Log: https://pastebin.com/wKPHB7v6
dmesg: https://pastebin.com/p97DdYDD
Version: 0.9.64
The teams.profile : https://pastebin.com/67xCJxqx

<!-- gh-comment-id:760129983 --> @szemy commented on GitHub (Jan 14, 2021): I have a similar issue on Arch: In firejail Log: [](https://pastebin.com/wKPHB7v6) https://pastebin.com/wKPHB7v6 dmesg: [](https://pastebin.com/p97DdYDD) https://pastebin.com/p97DdYDD Version: 0.9.64 The teams.profile : [](https://pastebin.com/67xCJxqx)https://pastebin.com/67xCJxqx
gitea-mirror commented 2026-05-05 09:05:51 -06:00
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@rusty-snake commented on GitHub (Jan 15, 2021):

Fixed by:

<!-- gh-comment-id:761169371 --> @rusty-snake commented on GitHub (Jan 15, 2021): Fixed by: - https://github.com/netblue30/firejail/commit/a37c7d4e7ee8a928744be509850c7b48ff31badc#diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7 - https://github.com/netblue30/firejail/commit/3e7c4830443b3c438df6968a050e813efbf28e0b#diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7 - https://github.com/netblue30/firejail/commit/f4f6767458208a127084e4c0103fab88761d9056#diff-535ce7031241d60504a4a23009358ed4ab07957e52cb45d9b8ac4bef9ff8c8b7 - https://github.com/netblue30/firejail/commit/f4f6767458208a127084e4c0103fab88761d9056#diff-046ffcfd2a399dd76a2a4d5220f83814a89dc2bd059b2e2c0fd089e1db06dec9
gitea-mirror commented 2026-05-05 09:05:52 -06:00
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@kris7t commented on GitHub (Jan 15, 2021):

@rusty-snake Doesn't this defeat the point of using AppArmor along with Firejail? Instead of ignore apparmor, I think something like

/{,run/firejail/mnt/oroot/}usr/share/teams/** ix,

in an appropriate AppArmor profile would be more secure (although it does raise the question how to add and maintain such profile modifications, since it goes a bit against using a single AppArmor profile for all of firejail).

<!-- gh-comment-id:761174599 --> @kris7t commented on GitHub (Jan 15, 2021): @rusty-snake Doesn't this defeat the point of using AppArmor along with Firejail? Instead of `ignore apparmor`, I think something like ```apparmor /{,run/firejail/mnt/oroot/}usr/share/teams/** ix, ``` in an appropriate AppArmor profile would be more secure (although it does raise the question how to add and maintain such profile modifications, since it goes a bit against using a single AppArmor profile for all of firejail).
gitea-mirror commented 2026-05-05 09:05:52 -06:00
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@ghost commented on GitHub (Jan 15, 2021):

[...] although it does raise the question how to add and maintain such profile modifications, since it goes a bit against using a single AppArmor profile for all of firejail

Perhaps we could add a note in teams.profile that AppArmor users better add the above rule to their /etc/apparmor.d/local/firejail-default, which is the recommended AA override location.

<!-- gh-comment-id:761263130 --> @ghost commented on GitHub (Jan 15, 2021): > [...] although it does raise the question how to add and maintain such profile modifications, since it goes a bit against using a single AppArmor profile for all of firejail Perhaps we could add a note in teams.profile that AppArmor users better add the above rule to their `/etc/apparmor.d/local/firejail-default,` which is the recommended AA override location.
gitea-mirror commented 2026-05-05 09:05:53 -06:00
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@rusty-snake commented on GitHub (Apr 6, 2021):

I'm closing here due to inactivity, please fell free to request to reopen if you still have this issue.

<!-- gh-comment-id:814170339 --> @rusty-snake commented on GitHub (Apr 6, 2021): I'm closing here due to inactivity, please fell free to request to reopen if you still have this issue.
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