linux-kernel - Re: [Security] [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ease of attacking

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Message-ID: <20101107123901.GZ4627@1wt.eu>
Date:	Sun, 7 Nov 2010 13:39:01 +0100
From:	Willy Tarreau <w@....eu>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Marcus Meissner <meissner@...e.de>, security@...nel.org,
	mort@....com, Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	fweisbec@...il.com, "H. Peter Anvin" <hpa@...or.com>,
	linux-kernel@...r.kernel.org, jason.wessel@...driver.com,
	tj@...nel.org, Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Security] [PATCH] kernel: make /proc/kallsyms mode 400 to reduce ease of attacking

On Sun, Nov 07, 2010 at 01:25:33PM +0100, Ingo Molnar wrote:
> 
> * Willy Tarreau <w@....eu> wrote:
> 
> > > Why are you putting words in my mouth?
> > 
> > I'm not putting anything in your mouth Ingo :-)
> 
> To quote you:
> 
>   " you're making a special case of the security bug that you want to hide bugs from
>     user-space by cheating on version. "
> 
> No, i did not say that i want to hide bugs from user-space by cheating on the 
> version. Why are you claiming that i said that? Why are you putting words in my 
> mouth?

I'm not claiming that "you said that", it's my interpretation of what
you're trying to achieve with what you're defending. I'm free to interprete
as I want. Probably it's a very synthetical analysis, but it's my analysis.

Willy

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