[Bugs] [Bug 1484709] [geo-rep+qr]: Crashes observed at slave from qr_lookup_sbk during rename/hardlink/ rebalance cases

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1484709



--- Comment #2 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/18115 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit 414d3e92fc56f08e320a3aa65b6b18e65b384551
Author: N Balachandran <nbalacha at redhat.com>
Date:   Thu Aug 24 13:39:07 2017 +0530

    perf/qr: Use a ref-ed data to extract content

    qr_content_extract used dict_get to get the value of
    the GF_CONTENT_KEY key. dict_get does not ref the data
    before returning it so QR could be acting on freed memory
    if another thread deletes the key before then.
    This patch also fixes a race in dict_get_with_ref.

    Fix: Use dict_get_with_ref to retrieve the file contents.

    Change-Id: Ib1a7a70bb92eed7e70747ec530e0b3edc53127ec
    BUG: 1484709
    Signed-off-by: N Balachandran <nbalacha at redhat.com>
    Reviewed-on: https://review.gluster.org/18115
    Smoke: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: Amar Tumballi <amarts at redhat.com>
    Tested-by: Raghavendra G <rgowdapp at redhat.com>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.org>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>

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