Here it is, took a while to catch in the debugger because it doesn't happen often.
[STATS] 2010/02/21 09:27:56 - End of game - Team 1 is the winner
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 46 experience points in skill #0 (total experience: 2852). It is now 7 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 10 experience points in skill #1 (total experience: 2875). It is now 7 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 0 experience points in skill #2 (total experience: 1820). It is now 5 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 50 experience points in skill #3 (total experience: 10300). It is now 16 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 0 experience points in skill #4 (total experience: 0). It is now 0 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 0 experience points in skill #5 (total experience: 0). It is now 0 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 0 experience points in skill #6 (total experience: 8980). It is now 14 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 0 experience points in skill #7 (total experience: 0). It is now 0 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 0 experience points in skill #8 (total experience: 0). It is now 0 higher.
[STATS] 2010/02/21 09:27:56 - Soldier Matsuhiro Al Din earned 53 experience points in skill #9 (total experience: 13393). It is now 18 higher.
[STATS] 2010/02/21 09:27:56
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000763051248
0x00007fff82d23950 in timesub ()
(gdb) bt full
#0 0x00007fff82d23950 in timesub ()
No symbol table info available.
#1 0x00007fff82d238c9 in _st_localsub ()
No symbol table info available.
#2 0x00007fff82d22c5a in localtime ()
No symbol table info available.
#3 0x00000001000f205c in Com_MakeTimestamp (ts=0x7fff5fbff590 " ", tslen=40) at src/common/common.c:149
t = (struct tm *) 0xb70f7c3164aa75a0
aclock = 1266773276
#4 0x00000001000f21b7 in Com_vPrintf (fmt=0x1427a9b8c "[STATS] %s - %s\n", ap=0x7fff5fbff5f0) at src/common/common.c:183
msg = "[STATS] 2010/02/21 09:27:56 - Soldier Javier Hassan earned 46 experience points in skill #0 (total experience: 2852). It is now 7 higher.\n\n\000\n\n\000\n", '\000' <repeats 16 times>, "???_?\177\000\000?\"\017\000\001\000\000\000???_?\177\000\000\214\233zB\001\000\000\000??_?\177\000\000`?_?\177"...
timestamp = " \000\000\000\000\000\000\000\020??_?\177\000\000???2\000\000\000\000\000\000\000\000\023\000\000\000???_?\177\000"
#5 0x000000010011a249 in SV_dprintf (fmt=0x1427a9b8c "[STATS] %s - %s\n") at src/server/sv_game.c:48
ap = {{
gp_offset = 24,
fp_offset = 48,
overflow_arg_area = 0x7fff5fbff6d0,
reg_save_area = 0x7fff5fbff610
}}
#6 0x00000001427c8fd9 in G_PrintStats (buffer=0x1428b9bc0 "Soldier Javier Hassan earned 46 experience points in skill #0 (total experience: 2852). It is now 7 higher.\n") at src/game/g_utils.c:201
t = (struct tm *) 0x11020c520
tbuf = "2010/02/21 09:27:56\000\001\000\000\000\000\000\000\000\000\000\000"
aclock = 1266773276
#7 0x00000001427c1165 in G_UpdateCharacterSkills (chr=0x14ee6c140) at src/game/g_match.c:150
i = ABILITY_POWER
maxXP = 46
gainedXP = 46
totalGainedXP = 46
__func__ = "G_UpdateCharacterSkills"
#8 0x00000001427c1509 in G_MatchSendResults (team=1) at src/game/g_match.c:224
ent = (edict_t *) 0x14ee6c038
attacker = (edict_t *) 0x0
i = 1
j = 0
#9 0x00000001427c1940 in G_MatchDoEnd () at src/game/g_match.c:307
No locals.
#10 0x00000001427c0b31 in G_RunFrame () at src/game/g_main.c:409
No locals.
#11 0x000000010011ae4d in SV_RunGameFrame () at src/server/sv_game.c:418
No locals.
#12 0x000000010011db3a in SV_Frame (now=1797984, data=0x0) at src/server/sv_main.c:772
No locals.
#13 0x00000001000f42a7 in tick_timer (now=1797984, data=0x12e766d58) at src/common/common.c:1003
timer = (struct timer *) 0x12e766d58
old_interval = 100
lateness = 0
#14 0x00000001000f478c in Qcommon_Frame () at src/common/common.c:1154
time_to_next = 0
event = (struct event *) 0x13b434ac8
#15 0x000000010015b687 in main (argc=1, argv=0x7fff5fbff968) at src/ports/macosx/osx_main.m:138
pool = (NSAutoreleasePool *) 0x110110fb0
(gdb) f 3
#3 0x00000001000f205c in Com_MakeTimestamp (ts=0x7fff5fbff590 " ", tslen=40) at src/common/common.c:149
149 t = localtime(&aclock);
Current language: auto; currently c
(gdb) print aclock
$1 = 1266773276
(gdb) print *t
Cannot access memory at address 0xb70f7c3164aa75a0