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Date: Fri, 23 Mar 2007 02:38:25 +0100 (MET)
From: Jan Engelhardt <jengelh@linux01.gwdg.de>
To: Stephane Eranian <eranian@hpl.hp.com>
cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, ak@suse.de
Subject: Re: kmalloc() with size zero
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On Mar 22 2007 16:18, Stephane Eranian wrote:
>
>Hello,
>
>I ran into an issue with perfmon where I ended up calling
>kmalloc() with a size of zero. To my surprise, this did
>not return NULL but a valid data address.
>
>I am wondering if this is a property of kmalloc() or simply
>a bug. It is the case that the __kmalloc() code does not
>check for zero size.

I'd say "feature", glibc's malloc also returns an address on malloc(0).


Jan
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