<p>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 <a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="415745875" data-permission-text="Issue title is private" data-url="https://github.com/kamailio/kamailio/issues/1875" data-hovercard-type="issue" data-hovercard-url="/kamailio/kamailio/issues/1875/hovercard" href="https://github.com/kamailio/kamailio/issues/1875">#1875</a>, the segfault on tmx stopped happening again.</p>
<pre><code>(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:16994660926@X.X.X.132>;tag=as2d23aaa7\r\nTo: <sip:777045516992546314@X.X.X.38>\r\nContact: <sip:16994660926@X.X.X.132:5060>\r\nCall-ID: 7b434108222cd5ef0c4b0b4b4e8ddad2@200"..., len = 63}, callid = {
s = 0x7f4e2cd0f8cc "Call-ID: 7b434108222cd5ef0c4b0b4b4e8ddad2@X.X.X.132:5060\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:777045516992546314@X.X.X.38>\r\nContact: <sip:16994660926@X.X.X.132:5060>\r\nCall-ID: 7b434108222cd5ef0c4b0b4b4e8ddad2@X.X.X.132:5060\r\nCSeq: 102 INVITE\r\nUser-Agent: Asterisk PBX 11"..., len = 44}, method = {
s = 0x7f4e2cd0f7a0 "INVITE sip:777045516992546314@X.X.X.38 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:16994660926@X.X.X.132>;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 ""}
</code></pre>
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<script type="application/json" data-scope="inboxmarkup">{"api_version":"1.0","publisher":{"api_key":"05dde50f1d1a384dd78767c55493e4bb","name":"GitHub"},"entity":{"external_key":"github/kamailio/kamailio","title":"kamailio/kamailio","subtitle":"GitHub repository","main_image_url":"https://github.githubassets.com/images/email/message_cards/header.png","avatar_image_url":"https://github.githubassets.com/images/email/message_cards/avatar.png","action":{"name":"Open in GitHub","url":"https://github.com/kamailio/kamailio"}},"updates":{"snippets":[{"icon":"PERSON","message":"@Fernandojdk in #1875: 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.\r\n\r\n```\r\n(gdb) frame 0\r\n#0 0x00007f4e5094a934 in pv_get_tm_reply_code (msg=0x7f4e2cd14cb8, param=0x7f4e55a61328, res=0x7fffd5915aa0) at t_var.c:528\r\n528 code = t-\u003euac[branch].last_received;\r\n(gdb) p *t\r\n$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 = {\r\n s = 0x7f4e2cd0f831 \"From: \\\"82065\\\" \u003csip:16994660926@X.X.X.132\u003e;tag=as2d23aaa7\\r\\nTo: \u003csip:777045516992546314@X.X.X.38\u003e\\r\\nContact: \u003csip:16994660926@X.X.X.132:5060\u003e\\r\\nCall-ID: 7b434108222cd5ef0c4b0b4b4e8ddad2@200\"..., len = 63}, callid = {\r\n s = 0x7f4e2cd0f8cc \"Call-ID: 7b434108222cd5ef0c4b0b4b4e8ddad2@X.X.X.132:5060\\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 = {\r\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 = {\r\n s = 0x7f4e2cd0f870 \"To: \u003csip:777045516992546314@X.X.X.38\u003e\\r\\nContact: \u003csip:16994660926@X.X.X.132:5060\u003e\\r\\nCall-ID: 7b434108222cd5ef0c4b0b4b4e8ddad2@X.X.X.132:5060\\r\\nCSeq: 102 INVITE\\r\\nUser-Agent: Asterisk PBX 11\"..., len = 44}, method = {\r\n s = 0x7f4e2cd0f7a0 \"INVITE sip:777045516992546314@X.X.X.38 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\\\" \u003csip:16994660926@X.X.X.132\u003e;tag=as2d\"..., len = 6}, tmcb_hl = {\r\n first = 0x7f4e2cd113a8, reg_types = 1048738}, wait_timer = {next = 0x0, prev = 0x0, expire = 0, initial_timeout = 0, data = 0x7f4e2cd0d928, f = 0x7f4e50c2151b \u003ctimer_fixup+1251\u003e, flags = 1, slow_idx = 0}, uas = {request = 0x0, end_request = 0x7f4e2cd0f078 \"\\001\",\r\n response = {rbtype = 1120, flags = 11473, t_active = 32590, branch = 0, buffer_len = 100, buffer = 0x174 \u003cAddress 0x174 out of bounds\u003e, my_T = 0x7f4e2cd104c8, timer = {next = 0x7f4e2cd0d928, prev = 0x0, expire = 0, initial_timeout = 0, data = 0x0, f = 0x0,\r\n 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},\r\n 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,\r\n 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},\r\n 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,\r\n 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,\r\n on_branch_failure = 59989, on_reply = 3998, on_branch = 65534, on_branch_delayed = 0, md5 = 0x7f4e2cd0db18 \"\"}\r\n```"}],"action":{"name":"View Issue","url":"https://github.com/kamailio/kamailio/issues/1875#issuecomment-468643254"}}}</script>
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