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Game crash with BUFFER class


Cincillah

Question

Hi all, and thanks in advance for the welcoming and any answer you will provide,

I built the Metin2 server starting by the sources, with minor modifications, and none of them seem to me correlated to this crash.

 

What i'm getting is a random segmentation fault in various calls to the BUFFER class, which provides a variable length byte array buffer.

 

Here is some gdb tracebacks i get from it:

#0  buffer_write_peek (buffer=0x3c0f4580) at buffer.c:163
#1  0x08078734 in CHARACTER::PointChange (this=0x11, type=9 't', amount=0,
    bAmount=false, bBroadcast=false) at char.cpp:3666
#2  0x08079a3a in CHARACTER::StartStaminaConsume (this=0x466d6000)
    at char.cpp:5845
#3  0x080c95a3 in CHARACTER::StateMove (this=0x466d6000) at char_state.cpp:816
#4  0x080b13f4 in std::for_each<__gnu_cxx::__normal_iterator<CHARACTER**, std::vector<CHARACTER*, std::allocator<CHARACTER*> > >, std::binder2nd<std::mem_fun1_t<void, CHARACTER, unsigned int> > > (__first={_M_current = 0x2ad89178}, __last=
      {_M_current = 0x2ad89180}, __f=
      {<std::unary_function<CHARACTER*,void>> = {<No data fields>}, op = {<std::binary_function<CHARACTER*,unsigned int,void>> = {<No data fields>}, _M_f = {__pfn = 0x806bdd0 <CHARACTER::UpdateCharacter(unsigned int)>, __delta = 0}}, value = 2539973}) at stl_function.h:656
#5  0x080b1112 in CHARACTER_MANAGER::Update (this=0xffffb6dc, iPulse=2539973)
    at char_manager.cpp:677
#6  0x0825dca8 in idle () at main.cpp:943
#7  0x0825f366 in main (argc=1, argv=0xffffcce4) at main.cpp:609

Here is some more info:

(gdb) frame 0
#0  buffer_write_peek (buffer=0x3c0f4580) at buffer.c:163
163     in buffer.c
(gdb) print *buffer
$1 = {next = 0x8371710, write_point = 0x3c0f461c "b2277b(F017<",
  write_point_pos = 137828216, read_point = 0x3c0f4594 "020▒7b", length = 0,
  mem_data = 0x837e710 "", mem_size = 0, flag = 0}

Can you help me? Any idea on how to fix this?

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