(gdb) bt
#0  0x405992d7 in socket_process (thread=0x8173fc8) at strings.h:35
#1  0x405d3af8 in iaxpeer_function () from /usr/lib/asterisk/modules/chan_iax2.so
Cannot access memory at address 0x1
(gdb) bt full
#0  0x405992d7 in socket_process (thread=0x8173fc8) at strings.h:35
        sin = {sin_family = 2, sin_port = 55569, sin_addr = {s_addr = 1142947850},
  sin_zero = "\000\000\000\000\000\000\000"}
        res = 101
        updatehistory = 0
        new = 1
        ptr = (void *) 0x0
        dcallno = 0
        fh = (struct ast_iax2_full_hdr *) 0x1
        mte = (struct ast_iax2_meta_trunk_entry *) 0x0
        mtm = (struct ast_iax2_meta_trunk_mini *) 0x0
        dblbuf = "\00010////01358;>DKTcìÕÊÁ¼¸´°®­­­­­®°³¶º½ÃËÖîaRJC>;97642100012469;?DLXmâÒǾºµ±®¬«ªªª«¬­¯²¶º¿ÇÑê_OG@=:76432101123468;=@FMXkë×Ìľº¶²¯®­­­®®°³¶º½ÃËÖícSKE?\001\214\000È\000ºÿ¾ÿ¢ÿoþáÿ\004þGþmÿi\000\000\000\tÿâ\000i\000±\001#\000â\000\226\000Ðÿ÷ÿÉÿ\214ÿ\210ÿé\000+"...
        fr = {sockfd = 0, callno = 1, dcallno = 0, data = 0x0, datalen = 0, retries = 0, ts = 3, retrytime = 0,
  outoforder = 0, sentyet = 0, oseqno = 0, iseqno = 0, transfer = 0, final = 0, direction = 0, retrans = 0,
  next = 0x0, prev = 0x0, af = {frametype = 6, subclass = 12, datalen = 0, samples = 0, mallocd = 0,
    offset = 64, src = 0x405aa963 "LAGRQ", data = 0x408589dc, delivery = {tv_sec = 0, tv_usec = 0}, prev = 0x0,
    next = 0x0}, unused = '\0' <repeats 63 times>, afdata = 0x408589dc "ËØ÷]OHB=;865"}
        cur = (struct iax_frame *) 0x1
        iabuf = "10.0.32.61\000\000\000\000\000"
        f = {frametype = 6, subclass = 1, datalen = 89, samples = 0, mallocd = 0, offset = 0,
  src = 0x405aa963 "LAGRQ", data = 0x0, delivery = {tv_sec = 0, tv_usec = 0}, prev = 0x0, next = 0x0}
        c = (struct ast_channel *) 0x0
        dp = (struct iax2_dpcache *) 0x1
        tpeer = (struct iax2_trunk_peer *) 0x1
        ies = {called_number = 0x81740ca "986922245", calling_number = 0x81740d8 "8454606800",
  calling_ani = 0x0, calling_name = 0x81740ee "MWCSD_NM ext 6804", calling_ton = 33, calling_tns = 0,
  calling_pres = 0, called_context = 0x0, username = 0x8174105 "nm", password = 0x0, capability = 63492,
  format = 4, codec_prefs = 0x81740d5 "D", language = 0x8174101 "en", version = 2, adsicpe = 2, dnid = 0x0,
  rdnis = 0x0, authmethods = 0, encmethods = 0, challenge = 0x0, md5_result = 0x0, rsa_result = 0x0,
  apparent_addr = 0x0, refresh = 0, dpstatus = 0, callno = 0, cause = 0x0, causecode = 0 '\0',
  iax_unknown = 0 '\0', msgcount = -1, autoanswer = 0, musiconhold = 0, transferid = 0, datetime = 208162638,
  devicetype = 0x0, serviceident = 0x0, firmwarever = -1, fwdesc = 0, fwdata = 0x0, fwdatalen = 0 '\0',
  enckey = 0x0, enckeylen = 0 '\0', provver = 0, samprate = 1, provverpres = 0, rr_jitter = 0, rr_loss = 0,
  rr_pkts = 0, rr_delay = 0, rr_dropped = 0, rr_ooo = 0}
---Type <return> to continue, or q <return> to quit---
        ied0 = {buf = '\0' <repeats 1000 times>, "&l\tB\205õX@H\210\205@", '\0' <repeats 11 times>, pos = 0}
        ied1 = {buf = "\t\004\000\000\000\004", '\0' <repeats 1017 times>, pos = 6}
        format = 1
        fd = 17
        exists = -1
        minivid = 0
        empty = '\0' <repeats 31 times>
        duped_fr = (struct iax_frame *) 0xffffffff
        host_pref_buf = "(ulaw)", '\0' <repeats 121 times>
        caller_pref_buf = "(ulaw)", '\0' <repeats 121 times>
        pref = {order = "\003", '\0' <repeats 30 times>}
        rpref = {order = "\003", '\0' <repeats 30 times>}
        using_prefs = 0x405aa833 "mine"
#1  0x405d3af8 in iaxpeer_function () from /usr/lib/asterisk/modules/chan_iax2.so
No symbol table info available.
(gdb)