(gdb) bt
#0  0x00002aaaab380be0 in strlen () from /lib/libc.so.6
#1  0x00002aaaab34ecf5 in vfprintf () from /lib/libc.so.6
#2  0x00002aaaab373c76 in vsnprintf () from /lib/libc.so.6
#3  0x00000000004749d6 in __ast_vasprintf (strp=0x404ff198, fmt=0x4afa17 "%s%s", ap=0x404ff1a0, file=0x4b0b04 "cli.c", lineno=53, func=0x4b1560 "ast_cli") at astmm.c:227
#4  0x000000000044683f in ast_cli (fd=274, fmt=0x2aaaab412a20 "G") at cli.c:53
#5  0x0000000000449c1a in handle_commandmatchesarray (fd=274, argc=-1421792736, argv=0x7f1488) at cli.c:576
#6  0x0000000000449cf0 in ast_cli_command (fd=274, s=0x12981 <Address 0x12981 out of bounds>) at cli.c:1341
#7  0x0000000000469c7a in netconsole (vconsole=0x12981) at asterisk.c:456
#8  0x00002aaaaaccab55 in start_thread () from /lib/libpthread.so.0
#9  0x00002aaaab3d57f0 in clone () from /lib/libc.so.6

(gdb) bt full
#0  0x00002aaaab380be0 in strlen () from /lib/libc.so.6
No symbol table info available.
#1  0x00002aaaab34ecf5 in vfprintf () from /lib/libc.so.6
No symbol table info available.
#2  0x00002aaaab373c76 in vsnprintf () from /lib/libc.so.6
No symbol table info available.
#3  0x00000000004749d6 in __ast_vasprintf (strp=0x404ff198, fmt=0x4afa17 "%s%s", ap=0x404ff1a0, file=0x4b0b04 "cli.c", lineno=53, func=0x4b1560 "ast_cli") at astmm.c:227
        n = 7
        size = 206
#4  0x000000000044683f in ast_cli (fd=274, fmt=0x2aaaab412a20 "G") at cli.c:53
        stuff = 0x7f02e8 ""
        res = 76161
        ap = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x404ff290, reg_save_area = 0x404ff1c0}}
        __PRETTY_FUNCTION__ = "ast_cli"
#5  0x0000000000449c1a in handle_commandmatchesarray (fd=274, argc=-1421792736, argv=0x7f1488) at cli.c:576
        buf = 0x7efa78 "show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show show "
        obuf = 0x4486b3 "\205ÀuqÿÃ\205ít\vHcËI\203|Í"
        buflen = 2048
        len = 200
        matches = (char **) 0x7f1488
        x = 40
        matchlen = 1078981096
        __PRETTY_FUNCTION__ = "handle_commandmatchesarray"
#6  0x0000000000449cf0 in ast_cli_command (fd=274, s=0x12981 <Address 0x12981 out of bounds>) at cli.c:1341
        argv = {0x7ef9d8 "_COMMAND", 0x7ef9e1 "MATCHESARRAY", 0x7ef9ee "sho", 0x7ef9f2 "sho", 0x0, 0x404ff5d6 "\"sho\" \"sho\"", 0x404ff7bf "", 
  0x404ff5c0 "_COMMAND MATCHESARRAY \"sho\" \"sho\"", 0x404ff7bf "", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffff0000 <Address 0xffffffffffff0000 out of bounds>, 0x0, 
  0x78756e694c <Address 0x78756e694c out of bounds>, 0x0, 0x0, 0xffffffff <Address 0xffffffff out of bounds>, 0x0, 0x0, 0x0, 0x0, 
  0x32776770697300 <Address 0x32776770697300 out of bounds>, 0x2aaaab525620 "", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x32312e362e320000 <Address 0x32312e362e320000 out of bounds>, 
  0x352e <Address 0x352e out of bounds>, 0x0, 0x0, 0x404ff7c0 "sipgw2", 0x5efc60 "\022\001", 0x404ff5c0 "_COMMAND MATCHESARRAY \"sho\" \"sho\"", 0x4003f740 "", 0x5efc70 "pùO@", 
  0x2aaaab3554f5 "H\201ÄØ", 0x3000000030 <Address 0x3000000030 out of bounds>, 0x404ff5b0 "\022\001", 0x404ff4f0 "", 0x0, 0x0, 0x0, 
  0x5f36387800000000 <Address 0x5f36387800000000 out of bounds>, 0x404ff7c0 "sipgw2", 0x275d <Address 0x275d out of bounds>, 0x4b617e "CVS HEAD", 0x0, 0x0, 0x0, 0x0, 
  0x6f6e280000000000 <Address 0x6f6e280000000000 out of bounds>, 0x29656e <Address 0x29656e out of bounds>, 0x0, 0x0, 0x0, 0x0}
        e = (struct ast_cli_entry *) 0x5cbcc0
        x = 4
        dup = 0x7ef9d8 "_COMMAND"
        __PRETTY_FUNCTION__ = "ast_cli_command"
#7  0x0000000000469c7a in netconsole (vconsole=0x12981) at asterisk.c:456
        con = (struct console *) 0x5efc60
        hostname = "sipgw2", '\0' <repeats 57 times>
        tmp = "_COMMAND MATCHESARRAY \"sho\" \"sho\"\000\00037;40m(\"\033[1;35;40mZap/125-1\033[0;37;40m\", \"\033[1;35;40mSIP/00005/73851063\033[0;37;40m\") in new stack\n\0004)\033[0;37;40m\") in new stack\n\000\000\000\000\000\000\000\000\000 ªÌªª*\000\000\000\000\000\000\000\000\000\0004\\«ªª*\000\000X÷O@\000\000\000\000"...
        res = 76161
        fds = {{fd = 274, events = 1, revents = 1}, {fd = 275, events = 1, revents = 0}}