(gdb) bt full
#0  0x080e8005 in MSG_WriteString (sb=0xbfce9ddc, 
    s=0x28 <Address 0x28 out of bounds>) at src/qcommon/msg.c:141
No locals.
#1  0x08066780 in B_Save (sb=0xbfce9ddc, data=0x0)
    at src/client/cl_basemanagement.c:3090
        i = 0
        k = 0
        l = 0
        b = (base_t *) 0x118cf3a4
        aircraft = (aircraft_t *) 0x118cf89c
        building = (building_t *) 0x11b02b10
#2  0x080b5d4a in SAV_GameSave (filename=0x15f12924 "slot1", 
    comment=0xbfce9f8c "10", error=0xbfce9f80) at src/client/cl_save.c:253
        sb = {allowoverflow = qfalse, overflowed = qfalse, 
  data = 0xa79d9034 "\027J", maxsize = 3145728, cursize = 4986, readcount = 0}
        i = 1
        diff = 94
        res = 293331616
        savegame = "/home/jaska/.ufoai/2.2-dev/base/save/slot1.sav", '\0' <repeats 81 times>
        buf = (byte *) 0xa79d9034 "\027J"
        fbuf = (byte *) 0x0
        bufLen = 293331616