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Cisco Bug: CSCvu87636 - sessmgr process restart on DPC2 card with acsmgr_tcp_out_order_destroy()

Last Modified

Sep 17, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.12.14.73672

Description (partial)

Symptom:
Sessmgr restarts when processing tcp out of order packets with following signature:

Assertion failure at acs/acsmgr/analyzer/tcp/acs_tcp_out_order.c:661
  Function: acsmgr_tcp_out_order_destroy()
  Expression: pkt_info_status == SN_STATUS_SUCCESS

Conditions:
1. WiFi to LTE handoff occurs
2. Redirect url is received from Gx for a dynamic rule
3. TCP out of order packet uses memory freed by redirect_to_url during the handoff.
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Bug Details Include

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  • Status
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