[SR-Users] Crash kamailio 4.3.1
Federico Cabiddu
federico.cabiddu at gmail.com
Thu Sep 10 19:33:44 CEST 2015
Hi Thibault,
have you tried last tsilo code from 4.3.x branch?
Recently there has been a fix (
https://github.com/kamailio/kamailio/commit/6ce6803d57dabe287d7d6fa859e93c1df402d821)
for an issue that may be related to yours.
I'll keep investigating to see if I can spot something else. In the
meanwhile could you describe your scenario? Are you storing multiple
transactions per ruri? Did any of them got a final reply before the crash?
Regards,
Federico
On Thu, Sep 10, 2015 at 3:00 PM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:
>
>
> On 10/09/15 14:36, Thibault Gueslin wrote:
>
>
>
> 2015-09-10 14:25 GMT+02:00 Daniel-Constantin Mierla < <miconda at gmail.com>
> miconda at gmail.com>:
>
>> Do you have msrp enabled in configuration file
>>
>
> I don't think so
>
>
> The last frames of backtrace indicates code related to msrp, but might be
> just some code lines mismatching.
>
> The issue seems to be in tsilo. I looke over the code and I spotted some
> "unclear" mechanisms that can lead to race conditions, which may result in
> invalid access to memory, as it happens in this case, ptr becomes
> 0x8b08578b49642454 -- from my short investigation, that is likely to be due
> to following a ->next field in a freed structure.
>
> Not being the author of tsilo module, I can't do much more right now. I
> will open an issue on bug tracker explaining what I found, assigning
> Federico (cc-ed, author of the module) to analyze and see if anything is
> wrong there.
>
> Cheers,
> Daniel
>
>
>
>
>> Send the output from gdb for next commands:
>>
>> frame 0
>>
>
> #0 ts_append (msg=0x7f883bfd5490, ruri=0x7fff65fbfe30,
> table=0x7f883bf7e390 "location") at ts_append.c:60
> 60 in ts_append.c
>
>
>> info locals
>>
> _r = 0x7f88339bcfd0
>
> ptr = 0x8b08578b49642454
>
> res = 2
> __FUNCTION__ = "ts_append"
>
>
>> p *msg
>>
>
>
>
>> p *ruri
>> p *ptr
>> p *_r
>>
>>
> | p *msg
>
> $21 = {id = 2, pid = 31171, tval = {tv_sec = 1441885042, tv_usec =
> 162339}, fwd_send_flags = {f = 0 '\000', blst_imask = 0 '\000'},
> rpl_send_flags = {f = 0 '\000', blst_imask = 0 '\000'}, first_line = {type
> = 1,
> flags = 1, len = 46, u = {request = {method = {
> s = 0x7f88339b8910 "REGISTER sip:sip-staging.serveur.com
> SIP/2.0\r\nVia: SIP/2.0/TCP 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expi"...,
> len = 8}, uri = {
> s = 0x7f88339b8919 "sip:sip-staging.serveur.com SIP/2.0\r\nVia:
> SIP/2.0/TCP 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expires=900\r\n"...,
> len = 27}, version = {
> s = 0x7f88339b8935 "SIP/2.0\r\nVia: SIP/2.0/TCP
> 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expires=900\r\nMax-Forwards:
> 69\r\nTo: <sip:t"..., len = 7}, method_value = 32}, reply = {version = {
> s = 0x7f88339b8910 "REGISTER sip:sip-staging.serveur.com
> SIP/2.0\r\nVia: SIP/2.0/TCP 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expi"...,
> len = 8}, status = {
> s = 0x7f88339b8919 "sip:sip-staging.serveur.com SIP/2.0\r\nVia:
> SIP/2.0/TCP 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expires=900\r\n"...,
> len = 27}, reason = {
> s = 0x7f88339b8935 "SIP/2.0\r\nVia: SIP/2.0/TCP
> 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expires=900\r\nMax-Forwards:
> 69\r\nTo: <sip:t"..., len = 7}, statuscode = 32}}}, via1 =
> 0x7f883bfa7020, via2 = 0x0, headers = 0x7f883bfa6f30, last_header =
> 0x7f883bfac220, parsed_flag = 18446744073709551615, h_via1 =
> 0x7f883bfa6f30,
> h_via2 = 0x0, callid = 0x7f883bfac400, to = 0x7f883bfac688, cseq =
> 0x7f883bfac388, from = 0x7f883bfa6fa8, contact = 0x7f883bfac778,
> maxforwards = 0x7f883bfac700, route = 0x0, record_route = 0x0,
> content_type = 0x0, content_length = 0x7f883bfac220, authorization =
> 0x0, expires = 0x0, proxy_auth = 0x0, supported = 0x7f883bfb6300, require =
> 0x0, proxy_require = 0x0, unsupported = 0x0,
> allow = 0x7f883bfac298, event = 0x0, accept = 0x0, accept_language =
> 0x0, organization = 0x0, priority = 0x0, subject = 0x0, user_agent =
> 0x7f883bfac310, server = 0x0, content_disposition = 0x0, diversion = 0x0,
> rpid = 0x0, refer_to = 0x0, session_expires = 0x0, min_se = 0x0,
> sipifmatch = 0x0, subscription_state = 0x0, date = 0x0, identity = 0x0,
> identity_info = 0x0, pai = 0x0, ppi = 0x0, path = 0x0, privacy = 0x0,
> body = 0x0, eoh = 0x7f88339b8b2b "\r\n", unparsed = 0x7f88339b8b2b
> "\r\n", rcv = {src_ip = {af = 2, len = 4, u = {addrl = {3334267998, 0},
> addr32 = {3334267998, 0, 0, 0}, addr16 = {58462, 50876, 0, 0, 0, 0, 0,
> 0}, addr = "^\344\274\306", '\000' <repeats 11 times>}}, dst_ip
> = {af = 2, len = 4, u = {addrl = {2667915013, 0}, addr32 = {2667915013, 0,
> 0, 0}, addr16 = {9989, 40709, 0, 0, 0, 0, 0, 0},
> addr = "\005'\005\237", '\000' <repeats 11 times>}}, src_port =
> 52243, dst_port = 5060, proto_reserved1 = 3, proto_reserved2 = 0, src_su =
> {s = {sa_family = 2,
> sa_data = "\314\023^\344\274\306\000\000\000\000\000\000\000"},
> sin = {sin_family = 2, sin_port = 5068, sin_addr = {s_addr = 3334267998},
> sin_zero = "\000\000\000\000\000\000\000"}, sin6 = {
> sin6_family = 2, sin6_port = 5068, sin6_flowinfo = 3334267998,
> sin6_addr = {__in6_u = {__u6_addr8 = "\000\000\000\000\000\000\000\000
> \206\233\063\210\177\000", __u6_addr16 = {0, 0, 0, 0, 34336, 13211,
> 32648, 0}, __u6_addr32 = {0, 0, 865830432, 32648}}},
> sin6_scope_id = 865796800}}, bind_address = 0x7f883bfb6bd0, proto = 2
> '\002'},
> buf = 0x7f88339b8910 "REGISTER sip:sip-staging.serveur.com
> SIP/2.0\r\nVia: SIP/2.0/TCP 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expi"...,
> len = 541, new_uri = {s = 0x0, len = 0}, dst_uri = {s = 0x0, len = 0},
> parsed_uri_ok = 1, parsed_uri = {user = {s = 0x0, len = 0}, passwd = {s =
> 0x0, len = 0}, host = {
> s = 0x7f88339b891d "sip-staging.serveur.com SIP/2.0\r\nVia:
> SIP/2.0/TCP 172.16.224.222:52242;branch=z9hG4bK20965be26f6a6324;rport\r\nContact:
> <sip:toto4.toto.com.Ipod_tgu at 172.16.224.222:52242;transport=tcp>;expires=900\r\nMax-"...,
> len = 23}, port = {s = 0x0, len = 0}, params = {s = 0x0, len = 0},
> sip_params = {s = 0x0, len = 0}, headers = {s = 0x0, len = 0}, port_no = 0,
> proto = 0, type = SIP_URI_T,
> flags = (unknown: 0), transport = {s = 0x0, len = 0}, ttl = {s = 0x0,
> len = 0}, user_param = {s = 0x0, len = 0}, maddr = {s = 0x0, len = 0},
> method = {s = 0x0, len = 0}, lr = {s = 0x0, len = 0}, r2 = {s = 0x0,
> len = 0}, gr = {s = 0x0, len = 0}, transport_val = {s = 0x0, len =
> 0}, ttl_val = {s = 0x0, len = 0}, user_param_val = {s = 0x0, len = 0},
> maddr_val = {s = 0x0, len = 0}, method_val = {s = 0x0, len = 0},
> lr_val = {s = 0x0, len = 0}, r2_val = {s = 0x0, len = 0}, gr_val = {s
> = 0x0, len = 0}}, parsed_orig_ruri_ok = 0, parsed_orig_ruri = {user = {s =
> 0x0, len = 0}, passwd = {s = 0x0, len = 0}, host = {s = 0x0,
> len = 0}, port = {s = 0x0, len = 0}, params = {s = 0x0, len = 0},
> sip_params = {s = 0x0, len = 0}, headers = {s = 0x0, len = 0}, port_no = 0,
> proto = 0, type = ERROR_URI_T, flags = (unknown: 0), transport = {
> s = 0x0, len = 0}, ttl = {s = 0x0, len = 0}, user_param = {s = 0x0,
> len = 0}, maddr = {s = 0x0, len = 0}, method = {s = 0x0, len = 0}, lr = {s
> = 0x0, len = 0}, r2 = {s = 0x0, len = 0}, gr = {s = 0x0,
> len = 0}, transport_val = {s = 0x0, len = 0}, ttl_val = {s = 0x0,
> len = 0}, user_param_val = {s = 0x0, len = 0}, maddr_val = {s = 0x0, len =
> 0}, method_val = {s = 0x0, len = 0}, lr_val = {s = 0x0, len = 0},
> r2_val = {s = 0x0, len = 0}, gr_val = {s = 0x0, len = 0}}, add_rm =
> 0x0, body_lumps = 0x0, reply_lump = 0x7f883bfa3878, add_to_branch_s =
> '\000' <repeats 57 times>, add_to_branch_len = 0, hash_index = 39024,
> msg_flags = 129, flags = 32, set_global_address = {s = 0x0, len = 0},
> set_global_port = {s = 0x0, len = 0}, force_send_socket = 0x0, path_vec =
> {s = 0x0, len = 0}, instance = {s = 0x0, len = 0}, reg_id = 0,
> ruid = {s = 0x0, len = 0}, location_ua = {s = 0x0, len = 0}, ldv = {flow
> = {decoded = 0, rcv = {src_ip = {af = 0, len = 0, u = {addrl = {0, 0},
> addr32 = {0, 0, 0, 0}, addr16 = {0, 0, 0, 0, 0, 0, 0, 0},
> addr = '\000' <repeats 15 times>}}, dst_ip = {af = 0, len = 0,
> u = {addrl = {0, 0}, addr32 = {0, 0, 0, 0}, addr16 = {0, 0, 0, 0, 0, 0, 0,
> 0}, addr = '\000' <repeats 15 times>}}, src_port = 0,
> dst_port = 0, proto_reserved1 = 0, proto_reserved2 = 0, src_su =
> {s = {sa_family = 0, sa_data = '\000' <repeats 13 times>}, sin =
> {sin_family = 0, sin_port = 0, sin_addr = {s_addr = 0},
> sin_zero = "\000\000\000\000\000\000\000"}, sin6 =
> {sin6_family = 0, sin6_port = 0, sin6_flowinfo = 0, sin6_addr = {__in6_u =
> {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0,
> 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, sin6_scope_id =
> 0}}, bind_address = 0x0, proto = 0 '\000'}}}}
>
>
>
> (gdb) p *ruri
> $22 = {s = 0x7f883bf317e8 "toto4.toto.com.Ipod_tgu", len = 23}
>
> (gdb) p *ptr
> Cannot access memory at address 0x8b08578b49642454
>
> (gdb) p *_r
> $23 = {ruri = {s = 0x7f88339bd040 "toto4.toto.com.Ipod_tgu", len = 23},
> rurihash = 164669906, entry = 0x7f883398af08, transactions =
> 0x7f88339bd090, next = 0x0, prev = 0x0}
>
>
>>
>> Cheers,
>> Daniel
>>
>>
>> On 10/09/15 14:07, Thibault Gueslin wrote:
>>
>> [Thread debugging using libthread_db enabled]
>>
>> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
>>
>> Core was generated by `/usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg
>> -P /var/run/kamailio/kamailio.'.
>>
>> Program terminated with signal SIGSEGV, Segmentation fault.
>>
>> #0 ts_append (msg=0x7f883bfd5490, ruri=0x7fff65fbfe30,
>> table=0x7f883bf7e390 "location") at ts_append.c:60
>>
>> 60 ts_append.c: No such file or directory.
>>
>> (gdb) bt
>>
>> #0 ts_append (msg=0x7f883bfd5490, ruri=0x7fff65fbfe30,
>> table=0x7f883bf7e390 "location") at ts_append.c:60
>>
>> #1 0x00007f8837f638fc in w_ts_append (_msg=0x7f883bfd5490,
>> _table=0x7f883bf7e390 "location", _ruri=0x7f88339aa634 "\002") at
>> tsilo.c:225
>>
>> #2 0x0000000000534db0 in do_action (h=0x7fff65fc1a40, a=0x7f883bf7d278,
>> msg=0x7f883bfd5490) at action.c:1059
>>
>> #3 0x00000000005339e8 in run_actions (h=0x7f8837f65540, a=0x5,
>> msg=0x7f88339aa634) at action.c:1548
>>
>> #4 0x00000000005352e6 in do_action (h=0x7fff65fc1a40, a=0x7f883bf7dc50,
>> msg=0x7f883bfd5490) at action.c:1048
>>
>> #5 0x00000000005339e8 in run_actions (h=0x7f8837f65540, a=0x5,
>> msg=0x7f88339aa634) at action.c:1548
>>
>> #6 0x00000000005352e6 in do_action (h=0x7fff65fc1a40, a=0x7f883bf7df48,
>> msg=0x7f883bfd5490) at action.c:1048
>>
>> #7 0x00000000005339e8 in run_actions (h=0x7f8837f65540, a=0x5,
>> msg=0x7f88339aa634) at action.c:1548
>>
>> #8 0x00000000005354a3 in do_action (h=0x7fff65fc1a40, a=0x7f883bfa8ab8,
>> msg=0x7f883bfd5490) at action.c:677
>>
>> #9 0x00000000005339e8 in run_actions (h=0x7f8837f65540, a=0x5,
>> msg=0x7f88339aa634) at action.c:1548
>>
>> #10 0x00000000005354a3 in do_action (h=0x7fff65fc1a40, a=0x7f883bfa8ab8,
>> msg=0x7f883bfd5490) at action.c:677
>>
>> #11 0x00000000005339e8 in run_actions (h=0x7f8837f65540, a=0x5,
>> msg=0x7f88339aa634) at action.c:1548
>>
>> #12 0x00000000005352e6 in do_action (h=0x7fff65fc1a40, a=0x7f883bf56068,
>> msg=0x7f883bfd5490) at action.c:1048
>>
>> #13 0x00000000005339e8 in run_actions (h=0x7f8837f65540, h at entry=0x7fff65fc1a40,
>> a=0x5, a at entry=0x7f883bf4f958, msg=0x7f88339aa634, msg at entry=0x7f883bfd5490)
>> at action.c:1548
>>
>> #14 0x000000000053f885 in run_top_route (a=0x7f883bf4f958,
>> msg=0x7f883bfd5490, c=<optimized out>) at action.c:1634
>>
>> #15 0x00000000005407e6 in receive_msg (buf=0x0, len=5,
>> rcv_info=0x7f88339b8638) at receive.c:196
>>
>> #16 0x00000000005b806b in tcp_read_req (con=0x7f88339b8620,
>> bytes_read=0x7fff65fc1d50, read_flags=0x7fff65fc1d54) at tcp_read.c:1382
>>
>> #17 0x00000000005bb4e1 in handle_io (fm=0xb, events=5, idx=865773108) at
>> tcp_read.c:1568
>>
>> #18 0x00000000005c191a in io_wait_loop_epoll (h=<optimized out>,
>> t=<optimized out>, repeat=<optimized out>) at io_wait.h:1061
>>
>> #19 tcp_receive_loop (unix_sock=938890560) at tcp_read.c:1733
>>
>> #20 0x00000000004d3447 in tcp_init_children () at tcp_main.c:4787
>>
>> #21 0x0000000000506863 in main_loop () at main.c:1658
>>
>> #22 0x000000000041b944 in main (argc=0, argv=0x0) at main.c:2533
>>
>>
>> It seems to be on reception of REGISTER from client.
>>
>>
>>
>>
>> --
>> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>> Book: SIP Routing With Kamailio - http://www.asipto.com
>> Kamailio Advanced Training, Sep 28-30, 2015, in Berlin - http://asipto.com/u/kat
>>
>>
>
> --
> Daniel-Constantin Mierlahttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Book: SIP Routing With Kamailio - http://www.asipto.com
> Kamailio Advanced Training, Sep 28-30, 2015, in Berlin - http://asipto.com/u/kat
>
>
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