linux-kernel - Re: KASAN: stack-out-of-bounds Write in mpol_to

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Date:   Mon, 16 Mar 2020 11:46:08 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Entropy Moe <3ntr0py1337@...il.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, akpm@...ux-foundation.org
Subject: Re: KASAN: stack-out-of-bounds Write in mpol_to_str

On 3/15/20 12:57 PM, Entropy Moe wrote:
> Hello team,
> how are you ?
> I wanted to report a bug on mempolicy.c. I found the bug on the latest version of the kernel.
> 
> which is stack out of bound vulnerability.
> 
> I am attaching  report. 
> 
> If you need the POC crash code, I can provide.

Hi Moe,

Please post the POC code and your kernel .config file.

thanks.
-- 
~Randy