[Bugs] [Bug 1646869] New: gNFS crashed when processing "gluster v status [vol] nfs clients"

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1646869

            Bug ID: 1646869
           Summary: gNFS crashed when processing "gluster v status [vol]
                    nfs clients"
           Product: GlusterFS
           Version: mainline
         Component: nfs
          Assignee: bugs at gluster.org
          Reporter: jefferymymy at 163.com
                CC: bugs at gluster.org



Description of problem:
when processing "gluster v status [vol] nfs clients" after "systemctl restart
glusterd", gnfs will crash with certain probability.

dump trace info:
/lib64/libglusterfs.so.0(+0x270f0)[0x7effb6c7b0f0]
/lib64/libglusterfs.so.0(gf_print_trace+0x334)[0x7effb6c854a4]
/lib64/libc.so.6(+0x35270)[0x7effb52e7270]
/usr/sbin/glusterfs(glusterfs_handle_node_status+0x155)[0x7effb7196905]
/lib64/libglusterfs.so.0(+0x63f40)[0x7effb6cb7f40]
/lib64/libc.so.6(+0x46d40)[0x7effb52f8d40]

Version-Release number of selected component (if applicable):


How reproducible:

certain probability

Steps to Reproduce:
1. create replicate volume naming rep
2. set rep volume nfs.disable off
3. process cli: "systemctl restart glusterd; gluster volume status rep nfs
clients"

Actual results:


Expected results:


Additional info:

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