linux-kernel - Re: [PATCH 1/3] signal(i386): alternative signal stack wraparound occurs

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Message-Id: <20071205053647.DFD0826F8D9@magilla.localdomain>
Date:	Tue,  4 Dec 2007 21:36:47 -0800 (PST)
From:	Roland McGrath <roland@...hat.com>
To:	Shi Weihua <shiwh@...fujitsu.com>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 1/3] signal(i386): alternative signal stack wraparound
 occurs

> I am sorry, i don't understand how this is related to the semantics of
> e.g. longjmp.  But, i am sure my patch solves all overflows. Ingo's patch
> can't catch the overflow which is caught by "int i[1000];" in the handler
> function.

Please read the long explanation I wrote, which Ingo forwarded.

Thanks,
Roland
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