Bug 761943 (GLUSTER-211)

Summary:	libglusterfsclient: Race condition against vmplist in libgf_vmp_map_ghandle
Product:	[Community] GlusterFS	Reporter:	Shehjar Tikoo <shehjart>
Component:	libglusterfsclient	Assignee:	Shehjar Tikoo <shehjart>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	mainline	CC:	gluster-bugs
Target Milestone:	---
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Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	Bug Fix
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Regression:	RTP	Mount Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Shehjar Tikoo 2009-08-13 08:09:55 UTC

We're not locking the vmplist when we need to add a new entry. This can cause a race condition between a thread trying to perform a new mount and another trying to search for an entry in the vmp list.

Comment 1 Anand Avati 2009-08-17 18:37:42 UTC

PATCH: http://patches.gluster.com/patch/1021 in master (libglusterfsclient: Sync access to VMP list on new entry addition)

Comment 2 Anand Avati 2009-08-17 18:37:58 UTC

PATCH: http://patches.gluster.com/patch/1018 in release-2.0 (libglusterfsclient: Sync access to VMP list on new entry addition)

Comment 3 Shehjar Tikoo 2009-08-31 10:08:43 UTC

Fixed in master:
http://git.gluster.com/?p=glusterfs.git;a=commit;h=a55616242a4f883a864ac03b5282a12c6b8da03e

In release-2.0:
http://git.gluster.com/?p=glusterfs.git;a=commit;h=c2caeffbc6e1a3b9cb43237ecac105008561e8d6