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Cisco Bug: CSCvi06830 - imc_control_server_unbind doesn't close shmwin opened by imc_control_server_bind

Last Modified

Sep 29, 2019

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

6.5.1.BASE

Description (partial)

Symptom:
show_ltrace_nd (show tech ipv6 nd) do not close shmwin windows before exit,
due to imc_control_server_unbind was not called and left the shmwin window open.

A set of logs are recorded in /dev/shmem/shmwin-debug if we see any *.count fire, there is leak detected. Process names and original process id are caputered.

Conditions:
imc_control_server_unbind doesn't close shmwin opened by imc_control_server_bind
Im_db shmwin gets opened from imc_control_server_bind -> im_db_bind 
And same should get closed from imc_control_server_unbind -> im_db_unbind
Here, wrt to 'show_ltrace_nd' process we see that the im_db_unbind is not called. As per IMC edt:
imc_control_server_unbind, option should be IMC_OPTION_BIND_DEFAULT.
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