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Bug 1823764

Summary:	RFE: Enable genfs+xattr labeling for CephFS
Product:	Red Hat Enterprise Linux 8	Reporter:	Ondrej Mosnacek <omosnace>
Component:	kernel	Assignee:	Ondrej Mosnacek <omosnace>
kernel sub component:	SELinux	QA Contact:	Milos Malik <mmalik>
Status:	CLOSED ERRATA	Docs Contact:	Jan Fiala <jafiala>
Severity:	low
Priority:	medium	CC:	dyocum, jafiala, jlayton, lmanasko, pasik
Version:	8.2	Keywords:	AutoVerified, FutureFeature, Triaged
Target Milestone:	rc	Flags:	pm-rhel: mirror+
Target Release:	8.3
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel-4.18.0-198.el8	Doc Type:	Enhancement
Doc Text:	.Individual CephFS files and directories can now have SELinux labels The Ceph File System (CephFS) has recently enabled storing SELinux labels in the extended attributes of files. Previously, all files in a CephFS volume were labeled with a single common label `system_u:object_r:cephfs_t:s0`. With this enhancement, you can change the labels for individual files, and SELinux defines the labels of newly created files based on transition rules. Note that previously unlabeled files still have the `system_u:object_r:cephfs_t:s0` label until explicitly changed.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-11-04 01:14:08 UTC	Type:	Feature Request
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1814668, 1865800
Bug Blocks:	1814689

Description Ondrej Mosnacek 2020-04-14 12:53:51 UTC

As discussed in BZ 1814689, we want to enable CephFS to use xattr for storing labels, but at the same time keep cephfs_t as default label for files without a label (for backwards compatibility).

To enable this, we need to make small RHEL-only changes to the kernel and selinux-policy. This BZ tracks the kernel part - to add "ceph" to the list of filesystems for which combined genfs + xattrs labeling is used. The policy part is tracked in BZ 1814689.

Comment 6 Frantisek Hrbata 2020-05-13 07:44:45 UTC

Patch(es) available on kernel-4.18.0-198.el8

Comment 24 errata-xmlrpc 2020-11-04 01:14:08 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: kernel security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:4431

Comment 25 Dan Yocum 2021-08-26 17:55:16 UTC

What version of OCP did this RHSA make it into?