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Cisco Bug: CSCvv15236 - DDN: sessmgr restart with sessmgr_uplane_prepare_and_send_end_marker_pkt()

Last Modified

Oct 07, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.16.7 21.16.c12.75916 21.16.c15 21.20.5 21.21.0

Description (partial)

Crash happens because of memory leak at sessmgr. This crash could happen at any call of sessmgr where memory is allocated after memory is already exhausted.

Condition was ICMP packets (IPv4) with TTL 0 or 1.
sessmgr restart caused by memory leak issue. Memory allocation failed and sessmgr restart was generated.
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