[GH-ISSUE #3307] Fedora 31 Silverblue #2076

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opened 2026-05-05 08:44:34 -06:00 by gitea-mirror · 1 comment

gitea-mirror commented

2026-05-05 08:44:34 -06:00

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Originally created by @CdeMills on GitHub (Mar 30, 2020).
Original GitHub issue: https://github.com/netblue30/firejail/issues/3307

Hello,
I saw the previous posting on the diifculty of running firejail in Silverblue. I tried to get one step further understanding what went wrong. FYI this call works in Fedora 31 Workstation:
strace -o firejail.msg --profile=/etc/firejail/palemoon.profile --private=/home/padupuis/somedir /opt/palemoon/palemoon-bin -no-remote

The first time I get on stderr
Error mkdir: util.c:1022 create_empty_dir_as_root: Permission denied
Next time I get
Error: cannot create /run/firejail/profile/11639

In the trace file, searching "No such file" gives
unlink("/run/firejail/bandwidth/11639-bandwidth") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/network/11639-netmap") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/name/11639") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/x11/11639") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/profile/11639") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/bandwidth/11639-bandwidth") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/network/11639-netmap") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/name/11639") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/x11/11639") = -1 ENOENT (No such file or directory)
unlink("/run/firejail/profile/11639") = -1 ENOENT (No such file or directory)

The directory /run/firejail exists and is populated by around 10 subdirs. Any idea how to investigate further ? IS it some race condition ?

Regards

Pascal

Originally created by @CdeMills on GitHub (Mar 30, 2020). Original GitHub issue: https://github.com/netblue30/firejail/issues/3307 Hello, I saw the previous posting on the diifculty of running firejail in Silverblue. I tried to get one step further understanding what went wrong. FYI this call works in Fedora 31 Workstation: strace -o firejail.msg --profile=/etc/firejail/palemoon.profile --private=/home/padupuis/somedir /opt/palemoon/palemoon-bin -no-remote The first time I get on stderr Error mkdir: util.c:1022 create_empty_dir_as_root: Permission denied Next time I get Error: cannot create /run/firejail/profile/11639 In the trace file, searching "No such file" gives unlink("/run/firejail/bandwidth/11639-bandwidth") = -1 ENOENT (No such file or directory) unlink("/run/firejail/network/11639-netmap") = -1 ENOENT (No such file or directory) unlink("/run/firejail/name/11639") = -1 ENOENT (No such file or directory) unlink("/run/firejail/x11/11639") = -1 ENOENT (No such file or directory) unlink("/run/firejail/profile/11639") = -1 ENOENT (No such file or directory) unlink("/run/firejail/bandwidth/11639-bandwidth") = -1 ENOENT (No such file or directory) unlink("/run/firejail/network/11639-netmap") = -1 ENOENT (No such file or directory) unlink("/run/firejail/name/11639") = -1 ENOENT (No such file or directory) unlink("/run/firejail/x11/11639") = -1 ENOENT (No such file or directory) unlink("/run/firejail/profile/11639") = -1 ENOENT (No such file or directory) The directory /run/firejail exists and is populated by around 10 subdirs. Any idea how to investigate further ? IS it some race condition ? Regards Pascal

gitea-mirror

2026-05-05 08:44:34 -06:00

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gitea-mirror commented

2026-05-05 08:44:36 -06:00

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@netblue30 commented on GitHub (Apr 2, 2020):

We don't support Silverblue at the moment. They have a very unorthodox filesystem, with the real files stored under var and symlink from the regular filesystem entry points, something like this:

    /home → /var/home
    /opt → /var/opt
    /srv → /var/srv
    /root → /var/roothome
    /usr/local → /var/usrlocal
    /mnt→ /var/mnt
    /tmp → /sysroot/tmp

It would be a huge change in our code to support it.

@netblue30 commented on GitHub (Apr 2, 2020): We don't support Silverblue at the moment. They have a very unorthodox filesystem, with the real files stored under var and symlink from the regular filesystem entry points, something like this: ````` /home → /var/home /opt → /var/opt /srv → /var/srv /root → /var/roothome /usr/local → /var/usrlocal /mnt→ /var/mnt /tmp → /sysroot/tmp ````` It would be a huge change in our code to support it.

gitea-mirror referenced this issue

2026-05-05 10:14:57 -06:00

[PR #2076] [MERGED] Add various vim related profiles #4166

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Reference: github-starred/firejail#2076

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