[Bugs] [Bug 1310677] glusterd crashed when probing a node with firewall enabled on only one node

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1310677



--- Comment #1 from SATHEESARAN <sasundar at redhat.com> ---
[root at node2 ~]# gdb -c /core.9717
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
[New LWP 9720]
[New LWP 9725]
[New LWP 9718]
[New LWP 9726]
[New LWP 9719]
[New LWP 9732]
[New LWP 9724]
[New LWP 9723]
[New LWP 9717]
[New LWP 9721]

warning: core file may not match specified executable file.
Reading symbols from /usr/sbin/glusterfsd...Reading symbols from
/usr/lib/debug/usr/sbin/glusterfsd.debug...done.
done.
Missing separate debuginfo for 
Try: yum --enablerepo='*debug*' install
/usr/lib/debug/.build-id/17/a121b1f7bbb010f54735ffde3347b27b33884d
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/sbin/glusterd -p /var/run/glusterd.pid --log-level
INFO'.
Program terminated with signal 11, Segmentation fault.
#0  pthread_spin_lock () at ../nptl/sysdeps/x86_64/pthread_spin_lock.S:24
24    1:    LOCK
(gdb) bt
#0  pthread_spin_lock () at ../nptl/sysdeps/x86_64/pthread_spin_lock.S:24
#1  0x00007fdd8397a45d in __gf_free (free_ptr=0x7fdd6c000cb0) at mem-pool.c:316
#2  0x00007fdd8393ee55 in data_destroy (data=<optimized out>) at dict.c:235
#3  0x00007fdd83941b79 in dict_get_str (this=<optimized out>, key=<optimized
out>, str=<optimized out>)
    at dict.c:2213
#4  0x00007fdd784adce9 in glusterd_xfer_cli_probe_resp
(req=req at entry=0x7fdd85c6811c, op_ret=op_ret at entry=-1, 
    op_errno=0, op_errstr=op_errstr at entry=0x0, hostname=0x7fdd6c000d80
"dhcp37-152", port=24007, 
    dict=0x7fdd83c17be4) at glusterd-handler.c:3894
#5  0x00007fdd784aea57 in __glusterd_handle_cli_probe
(req=req at entry=0x7fdd85c6811c) at glusterd-handler.c:1220
#6  0x00007fdd784a7540 in glusterd_big_locked_handler (req=0x7fdd85c6811c, 
    actor_fn=0x7fdd784ae590 <__glusterd_handle_cli_probe>) at
glusterd-handler.c:83
#7  0x00007fdd83988e32 in synctask_wrap (old_task=<optimized out>) at
syncop.c:380
#8  0x00007fdd82047110 in ?? () from /usr/lib64/libc-2.17.so
#9  0x0000000000000000 in ?? ()

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