[Bugs] [Bug 1341243] New: fsx crash in 3.8rc2 while running as non-root user

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1341243

            Bug ID: 1341243
           Summary: fsx crash in 3.8rc2 while running as non-root user
           Product: GlusterFS
           Version: 3.8.0
         Component: nfs
          Assignee: bugs at gluster.org
          Reporter: vbellur at redhat.com
                CC: bugs at gluster.org



Description of problem:


fsx with the following command line crashes on a nfs mount when run as a
non-privileged user:

$fsx -RW fsxy

Correct content saved for comparison
(maybe hexdump "fsxy" vs "fsxy.fsxgood")
Segmentation fault (core dumped)

gluster server configuration:

Volume Name: repl
Type: Distributed-Replicate
Volume ID: 86805ef8-b2f6-41d7-8f0d-65785de1674f
Status: Started
Number of Bricks: 3 x 2 = 6
Transport-type: tcp
Bricks:
Brick1: gprfs029-10ge:/bricks/b01/data1
Brick2: gprfs030-10ge:/bricks/b01/data1
Brick3: gprfs031-10ge:/bricks/b01/data1
Brick4: gprfs029-10ge:/bricks/b01/data2
Brick5: gprfs030-10ge:/bricks/b01/data2
Brick6: gprfs031-10ge:/bricks/b01/data2
Options Reconfigured:
performance.readdir-ahead: on
transport.address-family: inet
network.ping-timeout: 20
nfs.disable: off


Version-Release number of selected component (if applicable): 3.8.0rc2


How reproducible:

As described above. Has happened 3 times over the last 8-10 days.


Actual results:

fsx dumps core


Expected results:

fsx should not dump core and should run indefinitely.


Additional info:

Attached nfs log has references to possible split-brain and GETATTR failure
messages. Not sure if it is related.

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