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-no-fstack-protector & Code::Blocks

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lacao:
I have tried -fno-stack-protector too. :(
But it could be the version of gcc like you said stahta01 and jens because the stack protector was implemented in gcc 4.1, and when I 'am in the directory of mingw and i type gcc -v in command line (under windows) the result is:
gcc version 3.4.5 (mingw-vista special)

But is it possible the stack protector was implemented event though it's a older version ?

In reality I'm learning the stack overflow with Code::Blocks & OllyDbg, and when I overwrite EIP to put the address of my shellcode, a part of the shellcode (not totally)  is executed but on an instruction of the shellcode this doesn't works, and make the program stop. The shellcode works because I have tried it with a function pointer and it works.

Is there some others securitys have been implemented, like the stack protector in mingw?
 
I know it's a newbie problem but it make some days i block on that... :(

If you want another information to resolve the problem tell me.

thomas:
Well, that option is only available in gcc 4.3 4.2 and later.

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