Re: [SR-Users] Core fm_realloc function

Bruno Bresciani Tue, 17 Jul 2012 10:26:32 -0700

Excuse-me Daniel, I forgot this information... Kamailio version 3.1.2

Best Regards



2012/7/17 Daniel-Constantin Mierla <mico...@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=ÃbÂ¬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\001OÃ¿\vÂ¡ywP\fkÃDÃ
>
> 0/\000\a\000\005\001\000ÃÃÃÃ¯000\000\026\0009\0008\0005\000\026\000\023\000\n\0003\0002\00
> 202i<Ã¤<Ã¥Ã¾\031Ã¬234Â 
> \237Ãª030Y){lÑ¶"...06Ã'Ãr9Ã¬Ã«Â¸{[Â©\t\205\037\036Ã¿HPH5Âµ\t(Ã©32Ã027Ã¦Ã²036Â¾\"\rÔ¤YÃ215uÂº\027)Ã¶000Ã±215\vÃÃ
>  Ã©Ea\023xÃ©J\206T\204CÃ
> wr_buf =
> "\027\003\001\003Â 
> wÂ²'\016Ñ¼Ã033ÃLÃ021Ã)Ã\220hnLÂ¦\020XÃª\236\200\tIhÃÂ¸Sf\234Ã\rÃ
>
> ?Â¯Â¼\024FÃ\200Âª/\2264RÃaÃÂ¤IpXÂ»Â¨Ã035Ã¤Qh\211Ã026Ã½4ÃU+\asrÂ£/`Â¤OÃ»1AÊ¹qUÜ¿Â·vÂ±Ã¼\205"...
>         rd = {buf = 0xbf90dfa4 "\026\003\001", pos = 70, used = 70, size =
> 65536}
>         wr = {
>   buf = 0xbf8fdfa4
> "\027\003\001\003Â 
> wÂ²'\016Ñ¼Ã033ÃLÃ021Ã)Ã\220hnLÂ¦\020XÃª\236\200\tIhÃÂ¸Sf\234Ã\rÃ
> ?Â¯Â¼\024FÃ\200Âª/\2264RÃaÃÂ¤IpXÂ»Â¨Ã035Ã¤Qh\211Ã026Ã½4ÃU+\asrÂ£/`Â¤OÃ»1AÊ¹qUÜ¿Â·vÂ±Ã¼\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 =
> "\221Â¿\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\221Â¿\002\000\000\000/\200\220\000\001\000\000\000\000\000H\000Â¨Ã¤21Â¿\001\000\000\000Â°Â¶Ã¨026Â¶\000\000\000\000\000ÃÂµ\030s2\b\002\000\000\000Ã¢f\b\000ÃÂµ\001\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000Ã¿Ã¿Ã¿Ã¿Â¸Ã¤21Â¿"
> #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
> "\212Ã¾\221Â¿\233Ã¾\221Â¿Â°Ã¾\221Â¿Â»Ã¾\221Â¿Ã\221Â¿Ã¹1Â¿\020Ã¿\221Â¿DÃ¿\221Â¿LÃ¿\221Â¿WÃ¿\221Â¿]Ã¿\221Â¿oÃ¿\221Â¿{Ã¿\221Â¿\202Ã¿\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-us...@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 list
sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Re: [SR-Users] Core fm_realloc function

Reply via email to