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Bug 1450229

Summary:	mount reports bindmount over real mount
Product:	Red Hat Enterprise Linux 7	Reporter:	Sage Grigull <mgrigull>
Component:	coreutils	Assignee:	Kamil Dudka <kdudka>
Status:	CLOSED DUPLICATE	QA Contact:	qe-baseos-daemons
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	7.3	CC:	kdudka
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-05-12 09:58:03 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Sage Grigull 2017-05-11 23:48:31 UTC

Description of problem:
df reports a bind mount instead of the real mount

Version-Release number of selected component (if applicable):
util-linux-2.23.2-33.el7_3.2.ppc64le
coreutils-8.22-18.el7.ppc64le

How reproducible:


Steps to Reproduce:
1. create a bind mount from a non-root filesystem to a subdir on the root filesystem
2. observe wrong filesystem being reported by df
3.

Actual results:
/dev/mapper/rhel_ppc--hv--01-build      501G   33M  501G   1% /var/tmp


Expected results:
/dev/mapper/rhel_ppc--hv--01-build      501G   33M  501G   1% /mnt/build
(this is visible after unmounting the bind mount)

Additional info:
from fstab:
/mnt/build/var-tmp /var/tmp none bind,rw 0 0

Comment 2 Sage Grigull 2017-05-12 00:02:40 UTC

view of mtab
/dev/mapper/rhel_ppc--hv--01-build on /mnt/build type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
/dev/mapper/rhel_ppc--hv--01-vm--store on /var/lib/libvirt/images type xfs (rw,relatime,seclabel,attr2,inode64,noquota)
/dev/mapper/rhel_ppc--hv--01-build on /var/tmp type xfs (rw,relatime,seclabel,attr2,inode64,noquota)

Comment 3 Kamil Dudka 2017-05-12 09:58:03 UTC

Thank you for reporting the bug!  This is already tracked as bug #1042840 but not yet fixed in RHEL-7.  It has been fixed in Fedora though (see bug #1001092).

*** This bug has been marked as a duplicate of bug 1042840 ***