Bug 1469021 - SELinux blocks systemd-nspawn
SELinux blocks systemd-nspawn
Status: NEW
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
Unspecified Unspecified
unspecified Severity high
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Assigned To: Lukas Vrabec
Fedora Extras Quality Assurance
: Reopened
Depends On:
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Reported: 2017-07-10 05:30 EDT by Ferry Huberts
Modified: 2017-11-16 15:05 EST (History)
8 users (show)

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Last Closed: 2017-07-12 08:55:49 EDT
Type: Bug
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Description Ferry Huberts 2017-07-10 05:30:22 EDT
Description of problem:
SELinux blocks systemd-nspawn

I have a Fedora 25 x64 Jenkins build machine.
It builds RPMs with mock, which uses systemd-nspawn.
These builds fail under the current policy, while they succeeded under a previous policy.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. see description

Actual results:

DEBUG util.py:606:  child environment: None
DEBUG util.py:533:  Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', '61d6d0878d144554837f64551aa1f62c', '-D', '/var/lib/mock/fedora-25-x86_64-gradle-upstream.5JzSZZVEsj/root', '-a', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=SHELL=/bin/bash', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=HOSTNAME=mock', '--setenv=HOME=/builddir', '--setenv=TERM=vt100', '--setenv=LANG=en_US.UTF-8', '/usr/sbin/userdel', '-r', '-f', 'mockbuild'] with env {'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'SHELL': '/bin/bash', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:307:  Unsharing. Flags: 134217728
DEBUG util.py:450:  Failed to register machine: Connection timed out
DEBUG util.py:450:  Parent died too early
DEBUG util.py:588:  Child return code was: 1


Expected results:

Additional info:

# groups jenkins
jenkins : jenkins mock
Comment 1 Ferry Huberts 2017-07-10 05:31:33 EDT
Setting 'setenforce 0' fixes the build, but is obviously not preferred
Comment 2 Ferry Huberts 2017-07-12 05:13:02 EDT
Might also be systemd-nspawn itself.
I did see some (parts of) jobs succeed and other fail while SELinux was in enforcing.
Comment 3 Ferry Huberts 2017-07-12 08:55:49 EDT
strange things are happening.
closing until I have a better idea of what is going on.
Comment 4 Ferry Huberts 2017-07-27 05:11:11 EDT
Ok, there might be a bad interaction here between systemd-nspawn and SELinux.
It failed again for me and setting SELinux to NOT enforcing fixed it again.
Comment 7 Fedora End Of Life 2017-11-16 14:31:11 EST
This message is a reminder that Fedora 25 is nearing its end of life.
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