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Cisco Bug: CSCvv67779 - Sessmgr restarted from shoutcast p2p plugin

Last Modified

Sep 18, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.14.10

Description (partial)

Symptom:
Sessmgr restarted with p2p traffic hitting a faulty address in the p2p plugin code.

Fatal Signal 11: Segmentation fault
  PC: [f2c52155/X] libp2p-2.53.1275.so/ipoque_search_shoutcast_tcp()
  Faulty address: 0xdbcb4cef
  Signal from: kernel
  Signal detail: address not mapped to object
  Recent errno: 11 Resource temporarily unavailable
  Build_number: 75857
  Stack (15608@0x0xff811000):
    [f2c52155/X] libp2p-2.53.1275.so/ipoque_search_shoutcast_tcp() sp=0xff811478
    [f2b573c4/X] libp2p-2.53.1275.so/ipoque_detection_process_packet_slowpath() sp=0xff811608
    [f2b5a39b/X] libp2p-2.53.1275.so/ipoque_detection_process_packet() sp=0xff811648
    [f2d00ba9/X] libp2p-2.53.1275.so/plugin_p2p_api_inspect.isra.72() sp=0xff8116b8
    [09cde78a/X] acs_p2p_pkt_inspection() sp=0xff8117f8
    [09b63d4b/X] acsmgr_process_p2p_post_tcp_dpi() sp=0xff811868
    [09bd4d52/X] acsmgr_process_tcp_packet() sp=0xff811dd8
    [09bdbe00/X] acs_process_tcp_packet_normal_path() sp=0xff811e28
    [09bdbf9f/X] acs_tcp_analyzer() sp=0xff811ea8

Conditions:
Software version is 21.14.20 or earlier.
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Bug Details Include

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