(gdb) bt
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7bcb770 in raise () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7bccef3 in abort () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7c00d0b in __fsetlocking () from /lib/tls/i686/cmov/libc.so.6
#4  0xb7c08b4a in free () from /lib/tls/i686/cmov/libc.so.6
#5  0xb7e27cf5 in SDL_FreeSurface () from /usr/lib/libSDL-1.2.so.0
#6  0x0804f18b in ECImage::Free (this=0xb54c1ddc) at tools/Images.cpp:501
#7  0x0804fadd in ECImage::operator= (this=0xb54c1ddc, src=@0xb54c1d24) at tools/Images.cpp:522
#8  0x08067103 in TLabel::Reinit (this=0xb54c1d98) at gui/Label.cpp:112
#9  0x0806732d in TLabel::SetColor (this=0xb54c1d98, new_color={red = 0 '\0', green = 0 '\0', blue = 0 '\0', alpha = 255 'ÿ'}) at gui/Label.cpp:94
#10 0x0805a46e in TListBox::AddItem (this=0x8210a18, selected=false, label=@0xb54c1e64, value=@0x82a38dc, _color=
      {red = 0 '\0', green = 0 '\0', blue = 0 '\0', alpha = 255 'ÿ'}, enabled=true) at gui/ListBox.cpp:184
#11 0x080dcc40 in LSMCommand::Exec (this=0x81c4a68, players=@0xb54c1ee4, me=0x81c4200, parv=@0xb54c1ed8) at JoinGame.cpp:167