Bug 761943 (GLUSTER-211) - libglusterfsclient: Race condition against vmplist in libgf_vmp_map_ghandle
Summary: libglusterfsclient: Race condition against vmplist in libgf_vmp_map_ghandle
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: GLUSTER-211
Product: GlusterFS
Classification: Community
Component: libglusterfsclient
Version: mainline
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Shehjar Tikoo
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2009-08-13 08:09 UTC by Shehjar Tikoo
Modified: 2009-08-31 13:08 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
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Last Closed:
Regression: RTP
Mount Type: ---
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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
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