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Date: Thu, 10 Oct 2019 18:35:25 +0000 (UTC)
From: Christopher Lameter <>
To: Matthew Wilcox <>
cc: Shyam Saini <>,,, Kees Cook <>
Subject: Re: [PATCH] slab: Redefine ZERO_SIZE_PTR to include ERR_PTR range

On Thu, 10 Oct 2019, Matthew Wilcox wrote:

> I was wondering about something like that too, but allocating zero bytes
> isn't actually an error, and if we have code that does something like:

True. But it is in a greyzone. You cannot store anything in zero bytes
after all.

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