[SR-Users] Core fm_realloc function
Bruno Bresciani
bruno.bresciani at gmail.com
Fri Jul 27 15:00:42 CEST 2012
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
>>
>>
>
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