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bug#18994: Daemon does not preserve supplementary groups of build users
From: |
Ludovic Courtès |
Subject: |
bug#18994: Daemon does not preserve supplementary groups of build users |
Date: |
Sat, 08 Nov 2014 15:01:43 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) |
Currently, the build environment made by the daemon does not preserve
supplementary groups of the build users.
Thus, even though the standalone Guix system sets /dev/kvm 660, owned by
root:kvm, and adds the build users to the kvm group, build users are
unable to access it.
This can be see with:
(gexp->derivation "foo"
#~(begin (mkdir #$output)(pk (stat:gid (stat "/dev/kvm")) (getgroups))))
The workaround for now is to make /dev/kvm 666.
Ludo’.
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