[Bugs] [Bug 1600451] crash on glusterfs_handle_brick_status of the glusterfsd

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1600451

Worker Ant <bugzilla-bot at gluster.org> changed:

           What    |Removed                     |Added
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             Status|POST                        |MODIFIED



--- Comment #3 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/20498 committed in master by "Amar Tumballi"
<amarts at redhat.com> with a commit message- core: dereference check on the
variables in glusterfs_handle_brick_status

problem: In a race condition, the active->first which is supposed to be filled
is NULL and trying to dereference it crashs.

back trace:
Core was generated by `/usr/sbin/glusterfsd -s bxts470192.eu.rabonet.com
--volfile-id prod_xvavol.bxts'.
Program terminated with signal 11, Segmentation fault.
1029            any = active->first;
(gdb) bt

Change-Id: Ia6291865319a9456b8b01a5251be2679c4985b7c
fixes: bz#1600451
Signed-off-by: Hari Gowtham <hgowtham at redhat.com>

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