full-disclosure - Re: Major gcc 4.1.1 and up security issue

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Message-ID: <09391A3F3BB80B4983CB5FB16B6E952F11D4A48D@F9620W1R.service.itellium.net>
Date: Tue, 16 Jan 2007 11:52:36 +0100
From: "Gwiasda Patrick" <patrick.gwiasda@...llium.com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: Re: Major gcc 4.1.1 and up security issue

Hi,

this looks strange.
I have made a test with gcc 4.03. The assertation was thrown correctly.
So, is this only with gcc > 4.1?
It seems that the interpretation of the standard was in gcc 4.03
"better".

~$ ./a.out
200 100
a.out: test.c:5: foo: Assertion `(int)(a+100) > 0' failed.
Aborted
kt1360@...006ru:~$ gcc --version
gcc (GCC) 4.0.3 (Ubuntu 4.0.3-1ubuntu5)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is
NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.

Regards

Patrick

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