[Bugs] [Bug 1159210] New: glusterd-georep: In multinode slave setup, glusterd crashes during geo-rep create push-pem.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1159210

            Bug ID: 1159210
           Summary: glusterd-georep: In multinode slave setup, glusterd
                    crashes during geo-rep create push-pem.
           Product: GlusterFS
           Version: 3.6.0
         Component: glusterd
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: khiremat at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com
        Depends On: 1159119



+++ This bug was initially created as a clone of Bug #1159119 +++

Description of problem:
In multinode slave setup, glusterd crashes on slave node other than the one
which is used to create geo-rep sessoin during geo-rep create push-pem.


Version-Release number of selected component (if applicable):
mainline master branch.

How reproducible: Always

Steps to Reproduce:
1. Create master and slave volume, with slave volume spread across more than 
   one node.
2. On master: gluster vol geo-rep gsec_create
3. On master: gluster vol geo-rep crate mastervol slave_host:slavevol create
push-pem 


Actual results:
glusterd crashed on the slave node other than the one which is used to create
goe-rep session.

Expected results:
glusterd should not crash.

Additional Info:

Stack trace of glusterd crash is follows:

#0  0x00007f8cf479ac39 in raise () from /lib64/libc.so.6
#1  0x00007f8cf479c348 in abort () from /lib64/libc.so.6
#2  0x00007f8cf4793b96 in __assert_fail_base () from /lib64/libc.so.6
#3  0x00007f8cf4793c42 in __assert_fail () from /lib64/libc.so.6
#4  0x00007f8cf59b0107 in __gf_free (free_ptr=0x7f8cd40046c0) at mem-pool.c:251
#5  0x00007f8ceb288af7 in glusterd_op_copy_file
(dict=dict at entry=0x7f8cd40010dc, op_errstr=op_errstr at entry=0xf0a5f8) at
glusterd-geo-rep.c:4444
#6  0x00007f8ceb236e3b in glusterd_op_commit_perform (op=GD_OP_COPY_FILE,
dict=dict at entry=0x7f8cd40010dc, op_errstr=op_errstr at entry=0xf0a5f8, 
    rsp_dict=rsp_dict at entry=0x7f8cd4000f6c) at glusterd-op-sm.c:4940
#7  0x00007f8ceb23d25c in glusterd_op_ac_commit_op (event=0x7f8cd4000bc0,
ctx=0x7f8cd4002850) at glusterd-op-sm.c:4640
#8  0x00007f8ceb23b649 in glusterd_op_sm () at glusterd-op-sm.c:6575
#9  0x00007f8ceb229456 in __glusterd_handle_commit_op (req=req at entry=0xd06d7c)
at glusterd-handler.c:943
#10 0x00007f8ceb2280b0 in glusterd_big_locked_handler (req=0xd06d7c,
actor_fn=0x7f8ceb229350 <__glusterd_handle_commit_op>) at glusterd-handler.c:79
#11 0x00007f8cf59bd342 in synctask_wrap (old_task=<optimized out>) at
syncop.c:335
#12 0x00007f8cf47aca00 in ?? () from /lib64/libc.so.6
#13 0x0000000000000000 in ?? ()


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1159119
[Bug 1159119] glusterd-georep: In multinode slave setup, glusterd crashes
during geo-rep create push-pem.
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