After applying the patch i started to get this new crash, and with only one
transaction the crash was already occurring. When I removed the changes made by
#1875, the segfault on tmx stopped happening again.
```
(gdb) frame 0
#0 0x00007f4e5094a934 in pv_get_tm_reply_code (msg=0x7f4e2cd14cb8,
param=0x7f4e55a61328, res=0x7fffd5915aa0) at t_var.c:528
528 code =
t->uac[branch].last_received;
(gdb) p *t
$2 = {next_c = 0x7f4e2c7ae270, prev_c = 0x7f4e2cd11d88, hash_index = 12317,
label = 1021694037, flags = 329, nr_of_outgoings = 1, fcount = 0, ref_count =
{val = 1}, from = {
s = 0x7f4e2cd0f831 "From: \"82065\"
<sip:[email protected]>;tag=as2d23aaa7\r\nTo:
<sip:[email protected]>\r\nContact:
<sip:[email protected]:5060>\r\nCall-ID:
7b434108222cd5ef0c4b0b4b4e8ddad2@200"..., len = 63}, callid = {
s = 0x7f4e2cd0f8cc "Call-ID:
[email protected]:5060\r\nCSeq: 102
INVITE\r\nUser-Agent: Asterisk PBX 11.22.0\r\nDate: Fri, 01 Mar 2019 05:20:01
GMT\r\nAllow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,"..., len = 63}, cseq_n
= {
s = 0x7f4e2cd0f90b "CSeq: 102 INVITE\r\nUser-Agent: Asterisk PBX
11.22.0\r\nDate: Fri, 01 Mar 2019 05:20:01 GMT\r\nAllow: INVITE, ACK, CANCEL,
OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE\r\nSupported:
replaces"..., len = 9}, to = {
s = 0x7f4e2cd0f870 "To: <sip:[email protected]>\r\nContact:
<sip:[email protected]:5060>\r\nCall-ID:
[email protected]:5060\r\nCSeq: 102
INVITE\r\nUser-Agent: Asterisk PBX 11"..., len = 44}, method = {
s = 0x7f4e2cd0f7a0 "INVITE sip:[email protected] SIP/2.0\r\nVia:
SIP/2.0/UDP X.X.X.132:5060;TH=div;branch=z9hG4bK560e0ea1;rport\r\nMax-Forwards:
69\r\nFrom: \"82065\" <sip:[email protected]>;tag=as2d"..., len = 6},
tmcb_hl = {
first = 0x7f4e2cd113a8, reg_types = 1048738}, wait_timer = {next = 0x0,
prev = 0x0, expire = 0, initial_timeout = 0, data = 0x7f4e2cd0d928, f =
0x7f4e50c2151b <timer_fixup+1251>, flags = 1, slow_idx = 0}, uas = {request =
0x0, end_request = 0x7f4e2cd0f078 "\001",
response = {rbtype = 1120, flags = 11473, t_active = 32590, branch = 0,
buffer_len = 100, buffer = 0x174 <Address 0x174 out of bounds>, my_T =
0x7f4e2cd104c8, timer = {next = 0x7f4e2cd0d928, prev = 0x0, expire = 0,
initial_timeout = 0, data = 0x0, f = 0x0,
flags = 1354895338, slow_idx = 32590}, dst = {send_sock = 0x0, to = {s
= {sa_family = 6952, sa_data =
"\322TN\177\000\000\002\000\023\304\310b\201\204"}, sin = {sin_family = 6952,
sin_port = 21714, sin_addr = {s_addr = 32590},
sin_zero = "\002\000\023\304\310b\201\204"}, sin6 = {sin6_family =
6952, sin6_port = 21714, sin6_flowinfo = 32590, sin6_addr = {__in6_u =
{__u6_addr8 = "\002\000\023\304\310b\201\204\000\000\000\000\000\000\000",
__u6_addr16 = {2, 50195, 25288, 33921, 0, 0,
0, 0}, __u6_addr32 = {3289579522, 2223071944, 0, 0}}},
sin6_scope_id = 0}}, id = 0, proto = 0 '\000', send_flags = {f = 0, blst_imask
= 0}}, retr_expire = 1, fr_expire = 0}, local_totag = {s = 0x0, len =
751895980}, cancel_reas = 0x0, status = 0},
uac = 0x64, async_backup = {backup_route = 751885120, backup_branch = 32590,
blind_uac = 0, ruri_new = 0}, fwded_totags = 0x0, uri_avps_from = 0x0,
uri_avps_to = 0x7f4e2cd10ff8, user_avps_from = 0x0, user_avps_to = 0x0,
domain_avps_from = 0x0, domain_avps_to = 0x0,
xavps_list = 0x0, reply_mutex = {val = 0}, reply_locker_pid = {val = 0},
reply_rec_lock_level = 1, fr_timeout = 89742, fr_inv_timeout = 0,
rt_t1_timeout_ms = 32, rt_t2_timeout_ms = 0, end_of_life = 96,
relayed_reply_branch = 500, on_failure = 4000,
on_branch_failure = 59989, on_reply = 3998, on_branch = 65534,
on_branch_delayed = 0, md5 = 0x7f4e2cd0db18 ""}
```
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