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Bug 1615394

Summary:	luminous: handle ceph_ll_close on unmounted filesystem without crashing
Product:	[Red Hat Storage] Red Hat Ceph Storage	Reporter:	Jeff Layton <jlayton>
Component:	CephFS	Assignee:	Patrick Donnelly <pdonnell>
Status:	CLOSED ERRATA	QA Contact:	ceph-qe-bugs <ceph-qe-bugs>
Severity:	low	Docs Contact:
Priority:	low
Version:	3.0	CC:	ceph-eng-bugs, john.spray, rperiyas
Target Milestone:	z1	Keywords:	CodeChange
Target Release:	3.1
Hardware:	All
OS:	All
Whiteboard:
Fixed In Version:	RHEL: ceph-12.2.5-47.el7cp Ubuntu: ceph_12.2.5-32redhat1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-11-09 00:59:21 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 Jeff Layton 2018-08-13 13:56:04 UTC

If you forcibly unmount a libcephfs filesystem and later call ceph_ll_close on a Fh that you got before the unmount, the program can crash due to bad pointer dereferences in some log output.

Patch 3c94f23d3b10928615a0f1381eb758006db84b13 in the upstream ceph userland tree should fix this (at least for ceph_ll_close).

Comment 9 errata-xmlrpc 2018-11-09 00:59:21 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, 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/RHBA-2018:3530