Bug 1008601 - systemd may be hard coding SELinux security identifiers
systemd may be hard coding SELinux security identifiers
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Miroslav Grepl
Fedora Extras Quality Assurance
Depends On:
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Reported: 2013-09-16 12:29 EDT by Dominick Grift
Modified: 2016-07-19 06:23 EDT (History)
12 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2016-07-19 06:23:02 EDT
Type: Bug
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RHEL 7.3 requirements from Atomic Host:
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Description Dominick Grift 2013-09-16 12:29:52 EDT
Description of problem:

Using custom security policy: soon after policy is loaded the below security contexts are left unmapped. This suggests that something is hard coding the identifiers.

> # dmesg | grep -i selinux | grep -i unmapped
> [    1.453709] SELinux:  Context system_u:object_r:var_run_t:s0 is not valid (left unmapped).
> [    1.453713] SELinux:  Context system_u:object_r:sysfs_t:s0 is not valid (left unmapped).
> [    1.453717] SELinux:  Context system_u:object_r:root_t:s0 is not valid (left unmapped).
> [    1.453721] SELinux:  Context system_u:object_r:device_t:s0 is not valid (left unmapped).
> [    1.555305] SELinux:  Context system_u:object_r:tmp_t:s0 is not valid (left unmapped).
> [    1.918870] SELinux:  Context system_u:object_r:boot_t:s0 is not valid (left unmapped).

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

How reproducible:
load a custom policy with custom identifiers
Comment 1 Harald Hoyer 2013-09-16 12:33:27 EDT
and why is this a systemd bug?
Comment 2 Dominick Grift 2013-09-16 12:47:20 EDT
Sorry, I guess i picked the wrong component but due to the nature of systemd the chances that systemd was somehow involved seemed pretty high to me.

please reassign if needed.

Sorry for the inconvenience.caused by this
Comment 3 Daniel Walsh 2013-09-16 15:20:05 EDT
Dominick could this be just that after you switch out your policy you need to reboot the system, since systemd/udev have done matchpathcon calls that are now invalid?  Or are you seeing this on boot up?
Comment 4 Dominick Grift 2013-09-16 15:25:23 EDT
i am seeing this on bootup
Comment 5 Daniel Walsh 2013-09-16 15:27:47 EDT
Harald, I don't see those types hard coded into the systemd source.  Are those labels somehow pulled into the initrd?
Comment 6 Harald Hoyer 2013-09-16 15:58:27 EDT
(In reply to Daniel Walsh from comment #5)
> Harald, I don't see those types hard coded into the systemd source.  Are
> those labels somehow pulled into the initrd?

Unless cpio records and restores the selinux labels, I see no source for those labels in the initramfs.
Comment 7 Jaroslav Reznik 2015-03-03 10:04:01 EST
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle.
Changing version to '22'.

More information and reason for this action is here:
Comment 8 Fedora End Of Life 2016-07-19 06:23:02 EDT
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
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