[GH-ISSUE #3027] --x11 not working with chroot #1899

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

gitea-mirror commented

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

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Originally created by @ichensky on GitHub (Nov 6, 2019).
Original GitHub issue: https://github.com/netblue30/firejail/issues/3027

Steps to reproduce.

Install debian in chroot
$ debootstrap --arch=amd64 sid /chroot/sid
Try to execute:
$ firejail --x11 --chroot=/chroot/sid

Another related issue if for ex.
On the host OS run firefox. Then run firefox in the chroot dir.

$ firejail --chroot=/chroot/sid
$ firefox

chrooted firefox would contains the same bookmarks, tabs, history from the host OS firefox.

It would be good, maybe, if firejail by default sandboxing X server from applications.

Originally created by @ichensky on GitHub (Nov 6, 2019). Original GitHub issue: https://github.com/netblue30/firejail/issues/3027 Steps to reproduce. 1. Install debian in chroot ```$ debootstrap --arch=amd64 sid /chroot/sid``` 2. Try to execute: $ firejail --x11 --chroot=/chroot/sid --- Another related issue if for ex. On the host OS run `firefox`. Then run `firefox` in the chroot dir. ``` $ firejail --chroot=/chroot/sid $ firefox ``` chrooted `firefox` would contains the same bookmarks, tabs, history from the host OS `firefox`. It would be good, maybe, if `firejail` by default sandboxing X server from applications.

gitea-mirror closed this issue

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

gitea-mirror commented

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

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@rusty-snake commented on GitHub (Nov 6, 2019):

It would be good, maybe, if firejail by default sandboxing X server from applications.

Surely it sounds good at first view, but I think its not good, because

GTK+3 App run under Wayland if available. Then we must detect this.
It will break a lot of user workflows.

@rusty-snake commented on GitHub (Nov 6, 2019): > It would be good, maybe, if firejail by default sandboxing X server from applications. Surely it sounds good at first view, but I think its not good, because 1. GTK+3 App run under Wayland if available. Then we must detect this. 2. It will break a lot of user workflows.

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Reference: github-starred/firejail#1899

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