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Cisco Bug: CSCvv10740 - [CUPS] Sessmgr restart - sessmgr_process_monsub_rsp()

Last Modified

Sep 17, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.19.5 21.19.n2 21.19.n3 21.20.3

Description (partial)

Session Manager reload is observed

For Multi-Call scenario, during quit there was multiple Monsub Stop msg going to UP for same callid (in case of same call).
When UP receives the Monsub Stop msg, it triggers delete msg towards evlogd, this is an async call, meanwhile another Stop is received. Now, this created the problem, evlog handle is not NULL, since response was not received from evlog, so another delete is triggered to evlog. Now when 1st response is received it succeeded but the next one crashed, since previous one has made the handle as NULL.
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