(gdb) bt
#0  0xb67e8845 in reqprep (req=0xb67d9a80, p=0x81d7758, sipmethod=4, seqno=1266043745, newbranch=1) at strings.h:35
#1  0xb67efcf9 in transmit_state_notify (p=0xb68197bb, state=-1233020994, full=34, substate=136148824) at chan_sip.c:5012
#2  0xb67f0569 in __sip_autodestruct (data=0x81d7758) at chan_sip.c:1287
#3  0x0805630c in ast_sched_runq (con=0x816b0f0) at sched.c:373
#4  0x0816b0f0 in ?? ()
#5  0x0000000a in ?? ()
#6  0x0816b0f0 in ?? ()
#7  0x0816b0f0 in ?? ()
#8  0x00000000 in ?? ()


(gdb) bt full
#0  0xb67e8845 in reqprep (req=0xb67d9a80, p=0x81d7758, sipmethod=4, seqno=1266043745, newbranch=1) at strings.h:35
	orig = (struct sip_request *) 0x81d8f90
	stripped = "ô/vKM\016\000\000¯\001\000\000X\231}¶\036\034iKG\236}¶M\016\000\000\233\222\201¶ô/vK\000\000\000\000\200\232}¶x\231}¶\036\034iK\\\236}¶<\016\000\000\201x~¶\\\236}¶ä#\202¶\\\236}¶ä#\202¶"
	tmp = "103 \000*vK\000\000\000\000ÿÿÿÿ0\231}¶\b\000\000\000p#\035\bp#\035\bSIP\000\000*vK\000\000\000\000Ò\001\f\b0\232}¶", '\0' <repeats 17 times>, "*vK\000\000\000\000\004\231}¶"
	newto = "<sip:206 °jKô/vKP\230}¶\034\230}¶\225ÀjKP\230}¶G\236}¶\223¬}¶ °jKô/vKp\230}¶<\230}¶\225ÀjKp\230}¶\\\236}¶\227¬}¶\000\000\000\000\227¬}¶ô/vK<\016\000\000\\\236}¶\\\231}¶ysjKp\230}¶ô/vK<\016\000\000\\\236}¶\\\231}¶\215sjKp\230}¶´\224\201¶\220\231}¶\020\231}¶p\230}¶\001\200­û\\\236}¶\\\236}¶\\\236}¶\\\236}¶\\\236}¶\227¬}¶\\\236}¶\227¬}¶", '\0' <repeats 20 times>, ")\232}¶\000\000\000\000)\232"...
	c = 0x65746e6f <Address 0x65746e6f out of bounds>
	ot = 0xb67d97e0 "<sip:206 °jKô/vKP\230}¶\034\230}¶\225ÀjKP\230}¶G\236}¶\223¬}¶ °jKô/vKp\230}¶<\230}¶\225ÀjKp\230}¶\\\236}¶\227¬}¶"
	is_strict = 0
#1  0xb67efcf9 in transmit_state_notify (p=0xb68197bb, state=-1233020994, full=34, substate=136148824) at chan_sip.c:5012
	tmp = '\0' <repeats 3999 times>
	from = '\0' <repeats 16 times>, "\"anna\"<sip:203@172.16.0.11\000;tag=cd297368", '\0' <repeats 199 times>
	to = '\0' <repeats 16 times>, "<sip:211@172.16.0.11", '\0' <repeats 219 times>
	t = 0x0
	a = 0x35 <Address 0x35 out of bounds>
	maxbytes = 3061946288
	req = {rlPart1 = 0x0, rlPart2 = 0x0, len = 0, headers = 0, method = 0, header = {0x0 <repeats 64 times>}, 
  lines = 0, line = {0x0 <repeats 64 times>}, data = '\0' <repeats 4095 times>, debug = 0, flags = 0}
	hint = "0", '\0' <repeats 15 times>, "SIP/206", '\0' <repeats 56 times>
	statestring = 0xb6822180 ""
	local_state = 3061689800
	pidfstate = 0x0
	pidfnote = 0xb67dada7 "sip:203@172.16.0.11"
	__PRETTY_FUNCTION__ = "transmit_state_notify"
#2  0xb67f0569 in __sip_autodestruct (data=0x81d7758) at chan_sip.c:1287
	__PRETTY_FUNCTION__ = "__sip_autodestruct"
#3  0x0805630c in ast_sched_runq (con=0x816b0f0) at sched.c:373
	tv = {tv_sec = 53, tv_usec = 1702129267}
	x = 0
	res = 34
#4  0x0816b0f0 in ?? ()
No symbol table info available.
#5  0x0000000a in ?? ()
No symbol table info available.
#6  0x0816b0f0 in ?? ()
No symbol table info available.
#7  0x0816b0f0 in ?? ()
No symbol table info available.
#8  0x00000000 in ?? ()
No symbol table info available.


(gdb) thread apply all bt

Thread 22 (process 10546):
#0  0x00000293 in ?? ()
0xb67e8845	35	in strings.h
(gdb) q