Segmentation fault was returned after trying to check STP status

[xivamar]

Problem Description:

If configuration contains more than 2 VLANs, the show spanning-tree command returns segmentation fault.

OpenSwitch version:

OpenSwitch 0.4.0 (Build: appliance-ops-0.4.0-meraswitch/devel/master-20170126080249-dev)

Test Topology:

Steps to reproduce the problem (see attached files):

1. Configure DUTs as in attached file.

2. Try to check STP status on OpenSwitch-2. - NOK: segmentation fault.

   switch# show spanning-tree 
   MST0
   Spanning tree status: Enabled
   Root ID    Priority   : 16384               
        MAC-Address: 70:72:cf:2f:6b:a9   
        This bridge is the root
        Hello time(in seconds):2  Max Age(in seconds):20  Forward Delay(in seconds):15
   
   Bridge ID  Priority  : 16384               
        MAC-Address: 70:72:cf:2f:6b:a9   
        Hello time(in seconds):2  Max Age(in seconds):20  Forward Delay(in seconds):15
   
   Port         Role           State      Cost    Priority   Type
   ------------ -------------- ---------- ------- ---------- ----------
   Segmentation fault
   root@switch:~# 
   root@switch:~# 
   root@switch:~# vtysh 
   switch# 
   switch# 
   switch# show spanning-tree detail 
   MST0
     Spanning tree status: Enabled
     Root ID    Priority   : 16384               
        MAC-Address: 70:72:cf:2f:6b:a9   
        This bridge is the root
        Hello time(in seconds):2  Max Age(in seconds):20  Forward Delay(in seconds):15
   
     Bridge ID  Priority  : 16384               
        MAC-Address: 70:72:cf:2f:6b:a9   
        Hello time(in seconds):2  Max Age(in seconds):20  Forward Delay(in seconds):15
   
   Port         Role           State      Cost    Priority   Type
   ------------ -------------- ---------- ------- ---------- ----------
   Segmentation fault
   root@switch:~# 

vlan_stp.txt

[AKochin]

Issue is fixed. Needs to be verified and closed.

[xivamar]

Issue has been fixed. It was verified on the build:

switch# show version 
OpenSwitch 0.4.0 (Build: appliance-ops-0.4.0-meraswitch/devel/master-20170329113554-dev)
switch#