Bug 1382065 – SAMBA-ClientIO-Thread : Samba crashes with segfault while doing multiple mount & unmount of volume share with 3.2 builds

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Bug 1382065 - SAMBA-ClientIO-Thread : Samba crashes with segfault while doing multiple mount & unmount of volume share with 3.2 builds

Summary:	SAMBA-ClientIO-Thread : Samba crashes with segfault while doing multiple moun...

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Gluster Storage
Classification:	Red Hat
Component:	io-threads (Show other bugs)
Sub Component:
Version:	3.2
Hardware:	Unspecified Unspecified

Priority	unspecified Severity unspecified
Target Milestone:	---
Target Release:	RHGS 3.2.0
Assigned To:	Pranith Kumar K
QA Contact:	Vivek Das
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:	1380619
Blocks:	1351528
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Reported:	2016-10-05 12:02 EDT by Vivek Das
Modified:	2017-03-23 02:08 EDT (History)
CC List:	7 users (show)

See Also:
Fixed In Version:	glusterfs-3.8.4-3
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-03-23 02:08:26 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2017:0486	normal	SHIPPED_LIVE	Moderate: Red Hat Gluster Storage 3.2.0 security, bug fix, and enhancement update	2017-03-23 05:18:45 EDT

Groups: None (edit)

Description Vivek Das 2016-10-05 12:02:02 EDT

Description of problem:
Samba crashes with segfault while doing multiple mount and unmount of volume share in windows client with 3.2 builds.

Version-Release number of selected component (if applicable):
glusterfs-cli-3.8.4-2.el7rhgs.x86_64
samba-client-4.4.6-1.el7rhgs.x86_64

How reproducible:
Always

Steps to Reproduce:
1.Create samba setup on a 4 node cluster
2.Create 2 different volume of 2X2
3.Freshly mount Volume-A in windows client
4.On a continuous loop of around 25 do a mount and unmount of Volume-B with a wait time of 20 seconds after every loop.
5.Meanwhile keep checking for core logs

Actual results:
Samba crashes with segfault producing core logs (2)

Expected results:
Should not crash

Additional info:
Tried the above procedure with client-io thread off for the volume no crash was seen.

Comment 3 Atin Mukherjee 2016-10-24 00:02:09 EDT

downstream patch : https://code.engineering.redhat.com/gerrit/87972

Comment 7 Vivek Das 2016-11-05 10:41:16 EDT

Updated the systems to the below versions and followed the Steps to Reproduce, no crash was seen hence marking it as verified.
samba-client-4.4.6-2.el7rhgs.x86_64
glusterfs-cli-3.8.4-3.el7rhgs.x86_64

Comment 9 errata-xmlrpc 2017-03-23 02:08:26 EDT

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://rhn.redhat.com/errata/RHSA-2017-0486.html

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