Suricata

The sc_log_config->op_filter value is not provided and when in debug mode (setenv SC_LOG_LEVEL debug) it's printed here:

util-debug.c:

1218
    1219     SCLogInitLogModule(sc_lid);
    1220
    1221     SCLogDebug("sc_log_global_log_level: %d", sc_log_global_log_level);
    1222     SCLogDebug("sc_lc->log_format: %s", sc_log_config->log_format);
    1223     SCLogDebug("SCLogSetOPFilter: filter: %s", sc_log_config->op_filter);
    1224

31/10/2013 -- 18:37:36 - <Debug> - parser_local_id: 1
    31/10/2013 -- 18:37:36 - <Debug> - al_proto_table[2].map[1]->parser_id: 13
    31/10/2013 -- 18:37:36 - <Debug> - failed to lookup configuration parameter 'max-pending-packets'
    31/10/2013 -- 18:37:36 - <Debug> - Max pending packets set to 1024
    31/10/2013 -- 18:37:36 - <Debug> - failed to lookup configuration parameter 'default-packet-size'
    31/10/2013 -- 18:37:36 - <Debug> - Default packet size set to 1514
    31/10/2013 -- 18:37:36 - <Debug> - failed to lookup configuration parameter 'logging.default-log-format'
    31/10/2013 -- 18:37:36 - <Debug> - sc_log_global_log_level: 8
    31/10/2013 -- 18:37:36 - &lt;Debug&gt; - sc_lc->log_format: %t - <%d> 
    t@1 (l@1) signal SEGV (no mapping at the fault address) in strlen at 0xffffffff7d93c750
    0xffffffff7d93c750: strlen+0x0050:      ld       [%o2], %o1
    Current function is SCLogLoadConfig
     1223       SCLogDebug("SCLogSetOPFilter: filter: %s", sc_log_config>op_filter);

(dbx) dump
    _sc_log_temp = 0xffffffff7fffdfab "SCLogSetOPFilter: filter: " 
    _sc_log_msg = "31/10/2013 -- 18:37:36 - <Debug> - SCLogSetOPFilter: filter: " 
    have_logging = 1
    outputs = 0x101bc99b0
    default_log_level_s = 0x101bc8070 "info" 
    daemon = 0
    output = 0x101bc9d10
    sc_lid = 0x101bbf910
    FUNCTION = "SCLogLoadConfig" 
    seq_node = (nil)

(dbx) print -L *sc_log_config
    *sc_log_config = {
        startup_message       = (nil)
        log_level             = SC_LOG_DEBUG
        log_format            = 0x101b9d010 "%t - <%d> - " 
        op_filter             = (nil)
        op_filter_regex       = (nil)
        op_filter_regex_study = (nil)
        op_ifaces             = 0x101b9c3d0
        op_ifaces_cnt         = '\002'
    }