[Bugs] [Bug 1306560] Accessing program list in build_prog_details () should be lock protected

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1306560



--- Comment #5 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/13428 committed in master by Raghavendra G
(rgowdapp at redhat.com) 
------
commit 663d1a5eed5a8aef6cfad4710e16d21740bf0da8
Author: Atin Mukherjee <amukherj at redhat.com>
Date:   Thu Feb 11 15:37:08 2016 +0530

    rpc : build_prog_details should iterate program list inside critical
section

    While I was analyzing a glusterd crash from free_prog_details, a code
    walkthrough detects that we iterate over the rpc svc program list without
been
    inside the criticial section. This opens up a possibility of a crash when
there
    is a concurrent writer updating the same list. Solution is to read the list
    inside lock.

    Change-Id: Ib4b4b0022a9535e139cd3c00574aab23f07aa9d2
    BUG: 1306560
    Signed-off-by: Atin Mukherjee <amukherj at redhat.com>
    Reviewed-on: http://review.gluster.org/13428
    Smoke: Gluster Build System <jenkins at build.gluster.com>
    NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
    Reviewed-by: Niels de Vos <ndevos at redhat.com>
    CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Raghavendra G <rgowdapp at redhat.com>

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