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Cisco Bug: CSCun83372 - sessmgr Assert mme-hss/src/mme_hss_api.c:237 mme_hss_get_user_data()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(17) 16.0(1)

Description (partial)

Symptom:
Assertion failure at sess/mme-hss/src/mme_hss_api.c:237
  Function: mme_hss_get_user_data()
  Expression: ((((void *)0)!=(handle))&&(((mme_hss_session_t *)(handle))->magic == 178827))
  Proclet: sessmgr (f=87000,i=207)
..
  Recent errno: 11 Resource temporarily unavailable
  Stack (129976@0xfffde000):
    [f7e285a1/X] libc.so.6/kill() sp=0xfffde888
    [0aa52423/X] sn_assert() sp=0xfffde8b8
    [054d4b85/X] mme_hss_get_user_data() sp=0xfffdf2e8
    [0775c82a/X] mme_get_and_validate_apn_info() sp=0xfffdf428
    [077aad62/X] mme_app_fill_modify_brr_cmd() sp=0xfffdfab8
    [0773fee5/X] mme_disp_handle_brr_mod_cmd() sp=0xfffeb648
    [0778f3e5/X] mme_im_entry_complete() sp=0xfffeb718
    [077900ee/X] mme_im_entry_state_awt_s11_handle_s11_mod_rsp() sp=0xfffeb758
    [076ff6d9/X] mme_fsm_event_handler() sp=0xfffebbb8
    [0779095a/X] mme_event_handler_im_entry_procedure() sp=0xfffebbf8
    [077008f4/X] mme_procedure_handle_event() sp=0xfffebc38
    [07740d95/X] mme_disp_handle_emm_evt() sp=0xfffebd18
    [0774811a/X] mme_disp_attached_handle_s11_msg() sp=0xfffebeb8
    [076ff6d9/X] mme_fsm_event_handler() sp=0xfffec318
    [0779cf39/X] mme_app_handle_events_from_egtpc_app() sp=0xfffed148
    [0741ed8e/X] egtpc_sap_dispatch_routine() sp=0xfffed178
    [073a8864/X] egtpc_send_cfm_evt() sp=0xfffed7c8
    [073e0ac3/X] egtpc_handle_rel_access_bearers_rsp_msg() sp=0xfffedc38
    [07374e27/X] egtpc_handle_tun_n_mob_mgmt_message() sp=0xfffeddd8
    [0736c6d5/X] egtpc_handle_gtp_message() sp=0xffffaa08
    [03f3b2a1/X] sessmgr_egtp_handle_gtpc_message() sp=0xffffb318
    [03f3a81c/X] sessmgr_egtp_dmed_rx_cb() sp=0xffffb3b8
    [05d7273d/X] sessmgr_receive_ipv4udp_packets() sp=0xffffb3e8
    [05d8f445/X] sessmgr_med_data_receive() sp=0xffffd5d8

Conditions:
Hss-handle is being cleared but call is being continued. Later based on further      
signalling apn-info is being validated (accessing hss-handle) leading to crash.
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Bug Details Include

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