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Cisco Bug: CSCur06419 - sessmgr crash algcore_delete_pinhole_by_id()

Last Modified

Feb 05, 2019

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(500)

Description (partial)

Symptom:
Session manager segmentation fault in algcore_delete_pinhole_by_id

  Stack (6200@0xffffc000):
    [087c521e/X] algcore_delete_pinhole_by_id() sp=0xffffcf68
    [0882b356/X] sip_algapp_delete_pinhole() sp=0xffffcf98
    [0880e061/X] sip_algapp_free_session_cb() sp=0xffffcfb8
    [0c02b63c/X] sipc_free_session_cb() sp=0xffffcff8
    [0c02b4fc/X] sipc_maybe_free_session_cb() sp=0xffffd028
    [0c02a829/X] sipc_subscription_terminated() sp=0xffffd058
    [08812267/X] sip_algapp_free_subscription_cb() sp=0xffffd078
    [08812a0e/X] sip_algapp_ccl_subscription_ended() sp=0xffffd0a8
    [0c026f50/X] sipc_callback_user() sp=0xffffd0f8
    [0c029e06/X] sipc_process_ips() sp=0xffffd148
    [08811a2a/X] sip_algapp_ua_receive_proc() sp=0xffffd178
    [0c0efcb6/X] nbb_dispatch_process() sp=0xffffd1a8
    [0c0ef551/X] nbb_schedule_one() sp=0xffffd1e8
    [0c0ef939/X] nbb_scheduler() sp=0xffffd208
    [0880e97c/X] sip_algapp_invoke_stack_scheduler() sp=0xffffd228
    [0880e769/X] sip_algapp_stack_timer_expiry_handler() sp=0xffffd258
    [0ab18586/X] sn_loop_run() sp=0xffffd7e8
    [0a902234/X] main() sp=0xffffd828

Conditions:
A rare timing scenario involving SIP Subscribe method subscription termination.
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