[Bugs] [Bug 1227677] Glusterd crashes and cannot start after rebalance

bugzilla at redhat.com bugzilla at redhat.com
Fri Jun 19 01:30:54 UTC 2015


--- Comment #11 from Anand Avati <aavati at redhat.com> ---
COMMIT: http://review.gluster.org/11091 committed in release-3.7 by Vijay
Bellur (vbellur at redhat.com) 
commit f56b94d85ae5063ba9eb97c6ed07fc869f0e4b53
Author: Susant Palai <spalai at redhat.com>
Date:   Thu Jun 4 22:37:11 2015 +0530

    glusterd: Buffer overflow causing crash for glusterd

    Backport of http://review.gluster.org/11090

    Problem: In GLUSTERD_GET_DEFRAG_PROCESS we are using PATH_MAX (4096)
    as the max size of the input for target path, but we have allocated
    NAME_MAX (255) size of buffer for the target.

    Now this crash is not seen with source, but seen with RPMS.
    The reason is _foritfy_fail. This check happens when _FORTIFY_SOURCE
    is enabled. This option tries to figure out possible
    overflow scenarios like the bug here and does crash the process.

    BUG: 1227677
    Change-Id: I50cf83cb60c640e46cc7a1a8d3a8321b9147fba9
    Signed-off-by: Susant Palai <spalai at redhat.com>
    Reviewed-on: http://review.gluster.org/11091
    Reviewed-by: Atin Mukherjee <amukherj at redhat.com>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Tested-by: NetBSD Build System <jenkins at build.gluster.org>

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