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Cisco Bug: CSCur72339 - Kernel crash after upgrade to 17.0 - acs_http_header_parse()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.0.0.57028 17.0.1

Description (partial)

Symptom:
********************* CRASH #02 ***********************
SW Version          : 17.0.0
Similar Crash Count : 1
Time of First Crash : 2014-Nov-13+14:23:47

Fatal Signal 11: Segmentation fault
  PC: [084cf4f9/X] acsmgr_alloc_simple_buffer()
  Faulty address: 0x706a2f69
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=8 cpu=0 arch=X pid=7048 cpu=~12% argv0=sessmgr
  Crash time: 2014-Nov-13+14:23:47 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (26568@0xffff7000):
    [084cf4f9/X] acsmgr_alloc_simple_buffer() sp=0xffff77d8
    [084d1ca0/X] acsmgr_alloc_and_copy_string_buffer() sp=0xffff7848
    [084d2404/X] acsmgr_grow_string_buffer() sp=0xffff78e8
    [0891f661/X] acs_http_header_parse() sp=0xffffba88
    [089238b0/X] acs_http_response_pkt_analyzer() sp=0xffffbbb8
    [0895ecda/X] acs_http_pkt_inspection() sp=0xffffc058
    [0876f4d0/X] acs_fp_processing() sp=0xffffc188
    [0876fddb/X] acs_fp_accel_entry() sp=0xffffc238
    [08770f5b/X] acsmgr_data_receive_merge_mode() sp=0xffffc558
    [08771913/X] acs_handle_datapath_events_from_sm_interface() sp=0xffffc588
    [037615ab/X] sessmgr_sef_initiate_data_packet_ind() sp=0xffffc608
    [037616e0/X] sessmgr_pcc_intf_send_data_packet_ind() sp=0xffffc678
    [06141afa/X] sessmgr_pcc_fwd_packet() sp=0xffffc6d8
    [061deb74/X] sessmgr_ipv4_process_inet_pkt_part2_slow() sp=0xffffcae8
    [062cd040/X] sessmgr_ipv4_process_inet_pkt_common() sp=0xffffcf68
    [03639aa9/X] sessmgr_ipv4_sfw_process_nat_packets() sp=0xffffd028
    [0627f101/X] sessmgr_med_ipv4_data_received() sp=0xffffd0c8
    [0629f1c0/X] sessmgr_med_data_receive() sp=0xffffd248
    [0ae68d9c/X] sn_epoll_run_events() sp=0xffffd298
    [0ae6d281/X] sn_loop_run() sp=0xffffd748
    [0abdf3cd/X] main() sp=0xffffd7b8

Conditions:
Crash is seen on R17
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