From owner-freebsd-hackers@FreeBSD.ORG  Thu Jun 29 16:09:46 2006
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From: Matthias Andree <matthias.andree@gmx.de>
To: freebsd-hackers@freebsd.org
In-Reply-To: <20060629054222.GA92895@leiferikson.flosken.lan> (Johannes
	Weiner's message of "Thu, 29 Jun 2006 07:42:22 +0200")
References: <20060628181045.GA54915@curry.mchp.siemens.de>
	<20060629054222.GA92895@leiferikson.flosken.lan>
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Date: Thu, 29 Jun 2006 18:09:37 +0200
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Subject: Re: Return value of malloc(0)
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Johannes Weiner <hnazfoo@googlemail.com> writes:

> Hi,
>
> On Wed, Jun 28, 2006 at 08:10:45PM +0200, Andre Albsmeier wrote:
>> "If you use malloc(0) and are crazy enough to access the 'allocated'
>> memory we give you a SIGSEV to show you how dumb you are :-)".
>
> They should check the return value of malloc() in any case for
> successful allocation.. shouldn't they?

The value returned from malloc(0) must not be dereferenced whatever it
was. It was 0x800, which doesn't count as "failure".

-- 
Matthias Andree