[SR-Users] Core fm_realloc function
Bruno Bresciani
bruno.bresciani at gmail.com
Mon Jul 30 13:44:55 CEST 2012
Thank's for feedback Daniel,
This core is add to the tracker with ID 247...
Best Regards
2012/7/30 Daniel-Constantin Mierla <miconda at gmail.com>
> Hello,
>
> it is in my to-do list to investigate, so far I was not able to reproduce.
>
> Vacation time together with other travelings makes a bit more slower
> process. Please add it also to the tracker:
>
> http://sip-router.org/tracker/
>
> A minor release for 3.3 branch is going to be soon, being there makes sure
> it will be reviewed to see if it applies.
>
> Cheers,
> Daniel
>
>
> On 7/27/12 3:00 PM, Bruno Bresciani wrote:
>
> Hi Users,
>
> This is my ultimate try to ask for some help to debug the two cores
> generated by fm_realloc() function. If somebody can give me a feedback
> about my questions or doubts I will be very grateful, this user list of
> kamailio always help me to solve my problems.
>
> Best Regards
>
>
> 2012/7/23 Bruno Bresciani <bruno.bresciani at gmail.com>
>
>> Hi All,
>>
>> I imagine that this core doesn't easy to replicate but somebody can help
>> me to understand why it was generated? There is some way to prevent it?
>>
>> Best Regards
>>
>>
>>
>> 2012/7/18 Renan Capaverde <renan.capaverde at digitro.com.br>
>>
>>> I am having the same problem on kamailio 3.1.6. Someone please help.
>>>
>>> Cheers,
>>> Renan
>>>
>>> Em 17/7/2012 14:26, Bruno Bresciani escreveu:
>>>
>>> Excuse-me Daniel, I forgot this information... Kamailio version 3.1.2
>>>
>>> Best Regards
>>>
>>>
>>> 2012/7/17 Daniel-Constantin Mierla <miconda at gmail.com>
>>>
>>>> Hello,
>>>>
>>>> send also the version 'kamailio -V' to match the proper sources.
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>>
>>>> On 7/17/12 7:11 PM, Bruno Bresciani wrote:
>>>>
>>>> Hi all,
>>>>
>>>> I observed two at 0x08173bf0 in fm_realloc (qm=0xb5f7d000,
>>>> p=0xb61f0bc0, size=0) at mem/f_malloc.c:536.
>>>>
>>>> I don't know exactly what may be caused this core because the debug of
>>>> kamailio is disabled, but looking at backtrace (gdb) and source code I
>>>> could notice a relationship with TLS connection establishment (handshake).
>>>> Other important fact is that core was generated by the kamalio itself with
>>>> signal 6 (abort) because it can't find the pointer to memory realloc.
>>>> I'd like to know if someone already observed this issue and if my
>>>> analyse above is correct?
>>>>
>>>> Bellow is backtrace full with gdb:
>>>>
>>>> Core was generated by `/home2/local/kamailio/sbin/kamailio -P
>>>> /var/run/kamailio.pid'.
>>>> Program terminated with signal 6, Aborted.
>>>> #0 0x00f30402 in __kernel_vsyscall ()
>>>> (gdb)
>>>> (gdb)
>>>> (gdb)
>>>> (gdb)
>>>> (gdb) bt full
>>>> #0 0x00f30402 in __kernel_vsyscall ()
>>>> No symbol table info available.
>>>> #1 0x009fec10 in raise () from /lib/libc.so.6
>>>> No symbol table info available.
>>>> #2 0x00a00521 in abort () from /lib/libc.so.6
>>>> No symbol table info available.
>>>> #3 0x08173bf0 in fm_realloc (qm=0xb5f7d000, p=0xb61f0bc0, size=0) at
>>>> mem/f_malloc.c:536
>>>> f = (struct fm_frag *) 0xb61f0bb8
>>>> pf = <value optimized out>
>>>> orig_size = 18
>>>> L=Ãb¬Ã2n = (struct fm_frag *) 0xb61f0bd2
>>>> ptr = <value optimized out>
>>>> hash = 23548
>>>> #4 0x0051a87f in ser_realloc (ptr=0xb61f0bc0, size=32) at
>>>> ../../mem/shm_mem.h:266
>>>> No locals.
>>>> #5 0x00460295 in OPENSSL_cleanse () from /lib/libcrypto.so.6
>>>> No symbol table info available.
>>>> #6 0x004609f7 in CRYPTO_realloc () from /lib/libcrypto.so.6
>>>> No symbol table info available.
>>>> #7 0x003efb22 in sk_insert () from /lib/libcrypto.so.6
>>>> No symbol table info available.
>>>> #8 0x003efbaa in sk_push () from /lib/libcrypto.so.6
>>>> No symbol table info available.
>>>> #9 0x007c2ac3 in ssl_bytes_to_cipher_list () from /lib/libssl.so.6
>>>> No symbol table info available.
>>>> #10 0x007aa9f3 in ssl3_get_client_hello () from /lib/libssl.so.6
>>>> No symbol table info available.
>>>> #11 0x007ab815 in ssl3_accept () from /lib/libssl.so.6
>>>> No symbol table info available.
>>>> #12 0x007c1c3a in SSL_accept () from /lib/libssl.so.6
>>>> No symbol table info available.
>>>> #13 0x005278e3 in tls_accept (c=0xb621af88, error=0xbf91dfc8) at
>>>> tls_server.c:346
>>>> ret = <value optimized out>
>>>> ssl = (SSL *) 0xb61c1878
>>>> cert = <value optimized out>
>>>> tls_c = (struct tls_extra_data *) 0xb6208e58
>>>> tls_log = <value optimized out>
>>>> #14 0x0052da8e in tls_read_f (c=0xb621af88, flags=0xbf91e200) at
>>>> tls_server.c:1028
>>>> r = (struct tcp_req *) 0xb621affc
>>>> bytes_free = 4095
>>>> bytes_read = 70
>>>> read_size = 4095
>>>> ssl_error = 0
>>>> ssl_read = 0
>>>> ssl = (SSL *) 0xb61c1878
>>>> rd_buf = "\026\003\001\000A\001\000\000=\003\001Oÿ\v¡ywP\fkÃDÃ
>>>>
>>>> 0/\000\a\000\005\001\000ÃÃÃï000\000\026\0009\0008\0005\000\026\000\023\000\n\0003\0002\00
>>>> 202i<ä<åþ\031ì234 \237ê030Y){lѶ"...06Ã'Ãr9ìë¸{[©\t\205\037\036ÿHPH5µ\t(é32Ã027æò036¾\"\rÔ¤YÃ215uº\027)ö000ñ215\vÃà éEa\023xéJ\206T\204CÃ
>>>> wr_buf =
>>>> "\027\003\001\003 w²'\016ѼÃ033ÃLÃ021Ã)Ã\220hnL¦\020Xê\236\200\tIhøSf\234Ã\rÃ
>>>>
>>>> ?¯¼\024FÃ\200ª/\2264RÃaäIpXȬÃ035äQh\211Ã026ý4ÃU+\asr£/`¤Oû1AʹqUܿ·v±ü\205"...
>>>> rd = {buf = 0xbf90dfa4 "\026\003\001", pos = 70, used = 70,
>>>> size = 65536}
>>>> wr = {
>>>> buf = 0xbf8fdfa4
>>>> "\027\003\001\003 w²'\016ѼÃ033ÃLÃ021Ã)Ã\220hnL¦\020Xê\236\200\tIhøSf\234Ã\rÃ
>>>> ?¯¼\024FÃ\200ª/\2264RÃaäIpXȬÃ035äQh\211Ã026ý4ÃU+\asr£/`¤Oû1AʹqUܿ·v±ü\205"...,
>>>> pos = 0, used = 0,
>>>> size = 65536}
>>>> tls_c = (struct tls_extra_data *) 0xb6208e58
>>>> enc_rd_buf = (struct tls_rd_buf *) 0x0
>>>> n = 0
>>>> flush_flags = <value optimized out>
>>>> err_src = 0x541a83 "TLS read:"
>>>> x = <value optimized out>
>>>> #15 0x08158ade in tcp_read_headers (c=0xb621af88,
>>>> read_flags=0xbf91e200) at tcp_read.c:406
>>>> bytes = -1
>>>> remaining = <value optimized out>
>>>> p = <value optimized out>
>>>> r = (struct tcp_req *) 0xb621affc
>>>> #16 0x08158fd4 in tcp_read_req (con=0xb621af88, bytes_read=0xbf91e204,
>>>> read_flags=0xbf91e200) at tcp_read.c:871
>>>> bytes = <value optimized out>
>>>> total_bytes = 0
>>>> resp = <value optimized out>
>>>> size = <value optimized out>
>>>> req = (struct tcp_req *) 0xb621affc
>>>> dst = {send_sock = 0x1, to = {s = {sa_family = 57540, sa_data =
>>>> "\221¿\020\000\000\000\000\000\000\000\020\000\000"}, sin = {sin_family =
>>>> 57540,
>>>> sin_port = 49041, sin_addr = {s_addr = 16}, sin_zero =
>>>> "\000\000\000\000\020\000\000"}, sin6 = {sin6_family = 57540, sin6_port =
>>>> 49041,
>>>> sin6_flowinfo = 16, sin6_addr = {in6_u = {u6_addr8 =
>>>> "\000\000\000\000\020\000\000\000\001\000\000\000\001\000\000", u6_addr16 =
>>>> {0, 0, 16, 0, 1, 0,
>>>> 1, 0}, u6_addr32 = {0, 16, 1, 1}}}, sin6_scope_id = 12}},
>>>> id = -1080958468, proto = 4 '\004', send_flags = {f = 0 '\0', blst_imask =
>>>> 0 '\0'}}
>>>> c = 10 '\n'
>>>> #17 0x08159a0f in handle_io (fm=0x83296b0, events=1, idx=-1) at
>>>> tcp_read.c:1150
>>>> ret = 4
>>>> n = 4
>>>> read_flags = 1
>>>> con = (struct tcp_connection *) 0xb621af88
>>>> s = 12
>>>> resp = <value optimized out>
>>>> t = <value optimized out>
>>>> #18 0x0815d653 in tcp_receive_loop (unix_sock=35) at io_wait.h:1091
>>>> No locals.
>>>> ---Type <return> to continue, or q <return> to quit---
>>>> #19 0x0812885b in tcp_init_children () at tcp_main.c:4819
>>>> r = 3
>>>> reader_fd_1 = 35
>>>> pid = <value optimized out>
>>>> si = <value optimized out>
>>>> #20 0x080ad412 in main_loop () at main.c:1632
>>>> i = 4
>>>> pid = <value optimized out>
>>>> si = (struct socket_info *) 0x0
>>>> si_desc = "udp receiver child=3 sock=192.168.166.31:5060
>>>> \000\221¿\002\000\000\000/\200\220\000\001\000\000\000\000\000H\000¨ä21¿\001\000\000\000°¶è026¶\000\000\000\000\000õ\030s2\b\002\000\000\000âf\b\000õ\001\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000ÿÿÿÿ¸ä21¿"
>>>> #21 0x080afbe7 in main (argc=3, argv=dwarf2_read_address: Corrupted
>>>> DWARF expression.
>>>> ) at main.c:2398
>>>> cfg_stream = (FILE *) 0x8a2d008
>>>> c = <value optimized out>
>>>> r = 0
>>>> tmp = 0xbf91e674
>>>> "\212þ\221¿\233þ\221¿°þ\221¿»þ\221¿Ã\221¿ù1¿\020ÿ\221¿Dÿ\221¿Lÿ\221¿Wÿ\221¿]ÿ\221¿oÿ\221¿{ÿ\221¿\202ÿ\221
>>>> tmp_len = 10492229
>>>> port = 136192361
>>>> proto = -1080957480
>>>> ret = <value optimized out>
>>>> seed = 21782655
>>>> rfd = 4
>>>> debug_save = <value optimized out>
>>>> debug_flag = 0
>>>> dont_fork_cnt = 0
>>>> n_lst = <value optimized out>
>>>> p = <value optimized out>
>>>>
>>>>
>>>> Best Regards
>>>>
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>>
>>>> --
>>>> Daniel-Constantin Mierla - http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>> Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - http://asipto.com/u/katu
>>>> Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 - http://asipto.com/u/kpw
>>>>
>>>>
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
> --
> Daniel-Constantin Mierla - http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - http://asipto.com/u/katu
> Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 - http://asipto.com/u/kpw
>
>
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