(gdb) bt full
#0  0x08062f17 in ast_waitfor_nandfds (c=0xdf6130, n=1, fds=0x0, nfds=0, 
    exception=0x0, outfd=0x0, ms=0xdf6134) at channel.c:1522
	start = {tv_sec = 0, tv_usec = 0}
	pfds = (struct pollfd *) 0xdf6030
	res = 135361880
	rms = 134609809
	x = 0
	y = 0
	max = 0
	spoint = 2395620
	now = 0
	whentohangup = 0
	havewhen = 0
	diff = 7715609
	winner = (struct ast_channel *) 0x0
	__PRETTY_FUNCTION__ = "ast_waitfor_nandfds"
#1  0x08063779 in ast_waitfor_n (c=0xdf6130, n=1, ms=0xdf6134)
    at channel.c:1655
No locals.
#2  0x080637a1 in ast_waitfor (c=0x9736858, ms=1) at channel.c:1663
	chan = (struct ast_channel *) 0x0
	oldms = 1
#3  0x08063835 in ast_waitfordigit (c=0x9736858, ms=1) at channel.c:1685
---Type <return> to continue, or q <return> to quit---
	f = (struct ast_frame *) 0x248de4
	result = 0
#4  0x00246718 in chanspy_exec (chan=0x9736858, data=0xe32fe0)
    at app_chanspy.c:461
	u = (struct localuser *) 0x96f43f0
	peer = (struct ast_channel *) 0x0
	prev = (struct ast_channel *) 0x0
	name = '\0' <repeats 216 times>, "¸íâ\000a'\n\bÜ\207\211\tô/ã\000<", '\0' <repeats 22 times>
	peer_name = '\0' <repeats 260 times>
	args = 0xe2e840 ""
	ptr = 0x0
	options = 0xe2e841 "g(agentspying052"
	spec = 0x0
	argv = {0xe2e840 "", 0xe2e841 "g(agentspying052", 0x0, 0x0, 0x0}
	mygroup = 0xe2e843 "agentspying052"
	recbase = 0x0
	res = 0
	volfactor = 0
	silent = 1
	argc = 2
	bronly = 2
	chosen = 0
---Type <return> to continue, or q <return> to quit---
	count = 0
	waitms = 1
	num = 0
	oldrf = 8
	oldwf = 8
	fd = 0
	flags = {flags = 11}
	zero_volume = 0 '\0'
	__PRETTY_FUNCTION__ = "chanspy_exec"
#5  0x0808359b in pbx_exec (c=0x9736858, app=0x9755f10, data=0xe32fe0, 
    newstack=1) at pbx.c:553
	res = 158558296
	saved_c_appl = 0x0
	saved_c_data = 0x0
	execute = (int (*)(struct ast_channel *, 
    void *)) 0x245ea7 <chanspy_exec>
	__PRETTY_FUNCTION__ = "pbx_exec"
#6  0x080869e3 in pbx_extension_helper (c=0x9736858, con=0x0, 
    context=0x97369a8 "from-sip", exten=0x9736a9c "00013052", priority=3, 
    label=0x0, callerid=0x9760b90 "214892602", action=1) at pbx.c:1697
	e = (struct ast_exten *) 0x97c6d20
	app = (struct ast_app *) 0x9755f10
	sw = (struct ast_switch *) 0x0
---Type <return> to continue, or q <return> to quit---
	data = 0x0
	foundcontext = 0x97369a8 "from-sip"
	newstack = 1
	res = 0
	status = 5
	incstack = {0x0 <repeats 12 times>, 0x6e54e4 "\201Ã\020\213\f", 0x0, 
  0x0, 0x7adff4 "<Ýz", 0xe35070 "\001\200­ûÐQã", 0xe3504c "\\Qã", 
  0x6e6901 "\211~\020\213U\024\211~\f\211~\004\205Òt6\213U\024\213}ð\211V\024\211V\b1Ò\211~\030\211\226\230", 0xe35070 "\001\200­ûÐQã", 
  0xe351d0 "\"602\" <2f!p", 0xe3521f "\t\003", 0x0, 0xe3521f "\t\003", 
  0x7adff4 "<Ýz", 0x8100843 "\"%s\" <%s>", 0xe3518c "Ø\031v\t ÷u\t", 
  0xe3515c "xQã", 0x6e0cd6 "\213\215\fÿÿÿ\211Â9\2150ÿÿÿt\t\213µ(ÿÿÿÆ\006", 
  0xe35070 "\001\200­ûÐQã", 0x8100843 "\"%s\" <%s>", 0xe35194 "", 
  0xe351d0 "\"602\" <2f!p", 0x0, 0xe35110 "", 0xe35070 "\001\200­ûÐQã", 
  0xfbad8001 <Address 0xfbad8001 out of bounds>, 0xe351d0 "\"602\" <2f!p", 
  0xe351d0 "\"602\" <2f!p", 0xe351d0 "\"602\" <2f!p", 
  0xe351d0 "\"602\" <2f!p", 0xe351e1 "", 0xe3521f "\t\003", 
  0xe351d0 "\"602\" <2f!p", 0xe3521f "\t\003", 0x0 <repeats 17 times>, 
  0xffffffff <Address 0xffffffff out of bounds>, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
  0x0, 0x0, 0x0, 0x0, 0x7ada20 "", 0x0 <repeats 13 times>, 
  0x6e86a4 "\201ÃPY\f", 0x0, 0x0, 0x0, 0x0, 0x7adff4 "<Ýz", 0x0, 0x0, 
  0xe35178 "8Rã", 
  0x6c8922 "\203Ä\020[]Ã\220\220\220\220\220\220\220\220U\211å\215M\020S\203ì\f\---Type <return> to continue, or q <return> to quit---
213U\f\211L$\b\213E\bèè\"ýÿ\201ëV\016", 0xe351d0 "\"602\" <2f!p", 0x50 "", 
  0x8100843 "\"%s\" <%s>", 0xe3518c "Ø\031v\t ÷u\t", 
  0x9736858 "SIP/Station602-09890550", 0xe35238 "¨Sã", 
  0x80a2c43 "\213E\b\213\200è\003", 0x9898864 "", 0x9736c08 "", 0x14 "", 
  0x97619d8 "602", 0x975f7a0 "214892602", 0x0, 0x0, 0x0, 0x0, 0x3 "", 
  0x9898598 "\"602\" <214892602>", 0x1 "", 0x9898598 "\"602\" <214892602>", 
  0x975f7a0 "214892602", 0x975f7a0 "214892602", 0x1 "", 0x1 "", 
  0x81006ba "<unknown>", 0x98986d8 "SIP/Station602-09890550", 0x1 "", 
  0x32303622 <Address 0x32303622 out of bounds>, 
  0x323c2022 <Address 0x323c2022 out of bounds>, 
  0x702166 "\211Ó=\001ðÿÿs\001ÃèIa\b", 
  0x80c3611 "\213Eð\213Uô\211\003\211S\004\211Ø\203Ä\024[]Â\004"}
	passdata = "|g(agentspying052)bq", '\0' <repeats 8171 times>
	stacklen = 0
	tmp = "\033[1;36;40mChanSpy\033[0;37;40m\00040m", '\0' <repeats 48 times>
	tmp2 = "\033[1;35;40mSIP/Station602-09890550\033[0;37;40m", '\0' <repeats 36 times>
	tmp3 = "\033[1;35;40m|g(agentspying052)bq\033[0;37;40m", '\0' <repeats 8151 times>
	atmp = '\0' <repeats 79 times>
	atmp2 = '\0' <repeats 8291 times>
	__PRETTY_FUNCTION__ = "pbx_extension_helper"
---Type <return> to continue, or q <return> to quit---
#7  0x08087c5d in ast_spawn_extension (c=0x9736858, 
    context=0x97369a8 "from-sip", exten=0x9736a9c "00013052", priority=3, 
    callerid=0x9760b90 "214892602") at pbx.c:2230
No locals.
#8  0x080880da in __ast_pbx_run (c=0x9736858) at pbx.c:2296
	firstpass = 0
	digit = 0
	exten = '\0' <repeats 255 times>
	pos = 0
	waittime = 0
	res = 0
	autoloopflag = 0
	__PRETTY_FUNCTION__ = "__ast_pbx_run"
#9  0x08088e2f in pbx_thread (data=0x9736858) at pbx.c:2517
	c = (struct ast_channel *) 0x9736858
#10 0x008d53cc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#11 0x0074ec3e in clone () from /lib/tls/libc.so.6
No symbol table info available.
(gdb)