Here you go, it DOES crash stock TBA but not my MUD for whatever reason.
Code:
luminari@luminarimud.com [~/tbamud]# gdb bin/circle lib/core.tmp.14049
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<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/luminari/tbamud/bin/circle...done.
[New Thread 14049]
Reading symbols from /lib/libcrypt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_dns.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_dns.so.2
Reading symbols from /lib/libresolv.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libresolv.so.2
Core was generated by `bin/circle -q 4102'.
Program terminated with signal 11, Segmentation fault.
#0  0x080e653a in perform_new_char_dupe_check (d=0xae3b528, arg=0xbfa946e4 "y") at interpreter.c:1186
1186        if (!strcmp(GET_NAME(k->character), GET_NAME(d->character))) {
(gdb) list
1181
1182        if (k == d)
1183          continue;
1184
1185        /* Do the player names match? */
1186        if (!strcmp(GET_NAME(k->character), GET_NAME(d->character))) {
1187          /* Check the other character is still in creation? */
1188          if ((STATE(k) > CON_PLAYING) && (STATE(k) < CON_QCLASS)) {
1189            /* Boot the older one */
1190            k->character->desc = NULL;
(gdb) info local
k = 0xae37e80
(gdb) up
#1  nanny (d=0xae3b528, arg=0xbfa946e4 "y") at interpreter.c:1451
1451          perform_new_char_dupe_check(d);
(gdb) list
1446            write_to_output(d, "Sorry, new players can't be created at the moment.\r\n");
1447            mudlog(NRM, LVL_GOD, TRUE, "Request for new char %s denied from [%s] (wizlock)", GET_PC_NAME(d->character), d->host);
1448            STATE(d) = CON_CLOSE;
1449            return;
1450          }
1451          perform_new_char_dupe_check(d);
1452          write_to_output(d, "New character.\r\nGive me a password for %s: ", GET_PC_NAME(d->character));
1453          echo_off(d);
1454          STATE(d) = CON_NEWPASSWD;
1455        } else if (*arg == 'n' || *arg == 'N') {
(gdb) info local
load_result = <value optimized out>
player_i = <value optimized out>
olc_functions = {{state = 18, func = 0x810e710 <oedit_parse>}, {state = 20, func = 0x81460d0 <zedit_parse>}, {state = 22, 
    func = 0x8133720 <sedit_parse>}, {state = 21, func = 0x80ee570 <medit_parse>}, {state = 19, func = 0x8131390 <redit_parse>}, {
    state = 24, func = 0x8092ca0 <cedit_parse>}, {state = 26, func = 0x80b14a0 <trigedit_parse>}, {state = 25, 
    func = 0x808ae90 <aedit_parse>}, {state = 27, func = 0x80d6420 <hedit_parse>}, {state = 28, func = 0x812b8b0 <qedit_parse>}, {
    state = 29, func = 0x81241e0 <prefedit_parse>}, {state = 30, func = 0x80e2230 <ibtedit_parse>}, {state = 31, 
    func = 0x80f2ac0 <msgedit_parse>}, {state = -1, func = 0}}
(gdb) up
#2  0x0809bee0 in game_loop (local_mother_desc=3) at comm.c:883
883             nanny(d, comm);
(gdb) list
878           if (d->showstr_count) /* Reading something w/ pager */
879             show_string(d, comm);
880           else if (d->str)          /* Writing boards, mail, etc. */
881             string_add(d, comm);
882           else if (STATE(d) != CON_PLAYING) /* In menus, etc. */
883             nanny(d, comm);
884           else {                    /* else: we're playing normally. */
885             if (aliased)            /* To prevent recursive aliases. */
886               d->has_prompt = TRUE; /* To get newline before next cmd output. */
887             else if (perform_alias(d, comm, sizeof(comm)))    /* Run it through aliasing system */
(gdb) info local
input_set = {__fds_bits = {512, 0 <repeats 31 times>}}
output_set = {__fds_bits = {1008, 0 <repeats 31 times>}}
exc_set = {__fds_bits = {0 <repeats 32 times>}}
null_set = {__fds_bits = {0 <repeats 32 times>}}
last_time = {tv_sec = 1358273696, tv_usec = 990806}
opt_time = {tv_sec = 0, tv_usec = 100000}
process_time = {tv_sec = 0, tv_usec = 746}
temp_time = {tv_sec = 0, tv_usec = 99254}
before_sleep = {tv_sec = 1358273696, tv_usec = 891552}
now = {tv_sec = 1358273696, tv_usec = 991539}
timeout = {tv_sec = 0, tv_usec = 0}
comm = "y\000stcharthree\000\211\000\000\020\002\000\310G\251\277a\272\211\000\000\020\002\000\030$\220\000P\222\365\ta\272\211\000\000\020\000\000d\241\230\000d\241\230\001\260\332\217\000\364\217\230\000 \000\000\000\263G\251\277a\272\211\000\364\217\230\000p\241\230\000\360\377\331\n@\241\230\000\f\000\000\000@\241\230\000\000\000\000\000a\272\211\000\000\000\000\000 \000\000\000\343G\251\277a\272\211\000p\241\230\000p\241\230\000M\333\217\000a\272\211\000\f\000\000\000@\241\230", '\000' <repeats 13 times>, " \000\000\000\023H\251\277a\272\211\000p\241\230\000 \000\000\000#H\251\277p\245\230\000\f\000\000\000p\241\230\000\000\000\000\000@\241\230\000\f\000\000\000@\241\230", '\000' <repeats 21 times>, "\020\000\000\000p\241\230\000\004\000\000\000\002", '\000' <repeats 19 times>"\260, \000\000\000p\241\230\000\004\000\000\000\002\000\000\000\000\000\000\000\370-\025\n\300n\341\n\002\000\000\000\000\000\000\000\320\303\341\n\205\305\201\000\320"...
d = <value optimized out>
next_d = <value optimized out>
missed_pulses = <value optimized out>
maxdesc = <value optimized out>
aliased = 0
(gdb) up
#3  0x0809d037 in init_game (argc=Cannot access memory at address 0x0
) at comm.c:533
533       game_loop(mother_desc);
(gdb) list
528       if (fCopyOver) /* reload players */
529       copyover_recover();
530
531       log("Entering game loop.");
532
533       game_loop(mother_desc);
534
535       Crash_save_all();
536
537       log("Closing all sockets.");
(gdb) info local
No locals.
(gdb) up
#4  main (argc=Cannot access memory at address 0x0
) at comm.c:353
353         init_game(port);
(gdb) list
348
349       if (scheck)
350         boot_world();
351       else {
352         log("Running game on port %d.", port);
353         init_game(port);
354       }
355
356       log("Clearing game world.");
357       destroy_db();
(gdb) info local
pos = <value optimized out>
dir = 0x9f53068 "lib"
(gdb) up
Initial frame selected; you cannot go up.
(gdb) list
358
359       if (!scheck) {
360         log("Clearing other memory.");
361         free_bufpool();         /* comm.c */
362         free_player_index();    /* players.c */
363         free_messages();        /* fight.c */
364         free_text_files();      /* db.c */
365         board_clear_all();      /* boards.c */
366         free(cmd_sort_info);    /* act.informative.c */
367         free_command_list();    /* act.informative.c */
(gdb) info local
pos = <value optimized out>
dir = 0x9f53068 "lib"
(gdb) up
Initial frame selected; you cannot go up.