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Message-ID: <CA+55aFxNyH_i0=02S-ZLw2wLFEAY8Dkb0zm1HT9avp+KYNtVeg@mail.gmail.com>
Date: Wed, 6 Apr 2016 14:32:30 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Kees Cook <keescook@...omium.org>
Cc: Emrah Demir <ed@...sec.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Dan Rosenberg <dan.j.rosenberg@...il.com>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, Dave Jones <davej@...hat.com>
Subject: Re: [PATCH] KERNEL: resource: Fix bug on leakage in /proc/iomem file
On Wed, Apr 6, 2016 at 2:27 PM, Kees Cook <keescook@...omium.org> wrote:
>
> Hrm, okay. I still think just changing the perms would be less
> troublesome.
No, that would be much *more* trouble-some, because we have things
like bug-reporting documentation that tells people to send /proc/iomem
etc information on crashes. There may well be scripts like that out
there.
So it's much more likely that just removing the "Kernel code" etc
lines is not going to break anything.
Linus
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