[GH-ISSUE #3522] integrate join(-or-start) with dbus options #2214

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opened 2026-05-05 08:53:58 -06:00 by gitea-mirror · 2 comments

gitea-mirror commented

2026-05-05 08:53:58 -06:00

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Originally created by @smitsohu on GitHub (Jul 18, 2020).
Original GitHub issue: https://github.com/netblue30/firejail/issues/3522

Bug and expected behavior
Joining a sandbox is partially broken if the sandbox was started with a dbus filter.

When feeding a sandbox name or one of the first two sandbox pids into the join command, Firejail dies with Error: no valid sandbox. Feeding a different pid into join works fine.

Firejail should join the namespaces of the sandbox, but the issue here is that it instead tries to join xdg-dbus-proxy's namespaces.

Reproduce
Steps to reproduce the behavior (example):

firejail --name=test --dbus-system=filter --dbus-system.talk=org.freedesktop.DBus
firejail --join=test

Originally created by @smitsohu on GitHub (Jul 18, 2020). Original GitHub issue: https://github.com/netblue30/firejail/issues/3522 **Bug and expected behavior** Joining a sandbox is partially broken if the sandbox was started with a dbus filter. When feeding a sandbox name or one of the first two sandbox pids into the `join` command, Firejail dies with `Error: no valid sandbox`. Feeding a different pid into `join` works fine. Firejail should join the namespaces of the sandbox, but the issue here is that it instead tries to join xdg-dbus-proxy's namespaces. **Reproduce** Steps to reproduce the behavior (example): 1. `firejail --name=test --dbus-system=filter --dbus-system.talk=org.freedesktop.DBus` 2. `firejail --join=test`

gitea-mirror

2026-05-05 08:53:58 -06:00

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gitea-mirror commented

2026-05-05 08:54:00 -06:00

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@smitsohu commented on GitHub (Jul 18, 2020):

#3521 doesn't fix this issue

@smitsohu commented on GitHub (Jul 18, 2020): #3521 doesn't fix this issue

gitea-mirror commented

2026-05-05 08:54:01 -06:00

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@smitsohu commented on GitHub (Aug 24, 2020):

Fixed in dbab21a018

Thanks @netblue30 !

@smitsohu commented on GitHub (Aug 24, 2020): Fixed in dbab21a0187b558dd570754e914e47bc77929be8 Thanks @netblue30 !

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Reference: github-starred/firejail#2214

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