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From: Andreas Schwab <schwab@linux-m68k.org>
To: Cristian Zamfir <cristian.zamfir@epfl.ch>
Cc: <gdb@sourceware.org>
Subject: Re: backtrace when corrupt stack
References: <33F51508-83E5-4791-ADA3-DA8591582C49@epfl.ch> 	<m2hbpvec59.fsf@igel.home> 	<251102A0-163B-4484-AEFF-D13133F6F1D8@epfl.ch>
X-Yow: Yow!  Those people look exactly like Donnie and Marie Osmond!!
Date: Fri, 05 Feb 2010 20:27:00 -0000
In-Reply-To: <251102A0-163B-4484-AEFF-D13133F6F1D8@epfl.ch> (Cristian Zamfir's 	message of "Fri, 5 Feb 2010 20:58:03 +0100")
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Cristian Zamfir <cristian.zamfir@epfl.ch> writes:

> I am pretty sure that the function in frame #5 should be vsprintf() which is passed a buffer with insufficiently allocated space. But on the stack I see __stack_chk_fail () instead of vsprintf (). 

vsprintf is expanded inline.  The real vsprintf is not called when the
fortify check fails.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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