[SR-Users] Core fm_realloc function

Renan Capaverde renan.capaverde at digitro.com.br
Wed Jul 18 21:03:59 CEST 2012


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 
> <mailto: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
>>     <http://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 list
>>     sr-users at lists.sip-router.org  <mailto:sr-users at lists.sip-router.org>
>>     http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>     -- 
>     Daniel-Constantin Mierla -http://www.asipto.com
>     http://twitter.com/#!/miconda  <http://twitter.com/#%21/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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> sr-users at lists.sip-router.org
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