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Date: Wed, 29 Nov 2017 14:47:01 -0800
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Kees Cook <keescook@...omium.org>
Cc: David Laight <David.Laight@...lab.com>, "Tobin C. Harding" <me@...in.cc>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
"Jason A. Donenfeld" <Jason@...c4.com>, "Theodore Ts'o" <tytso@....edu>, Paolo Bonzini <pbonzini@...hat.com>,
Tycho Andersen <tycho@...ho.ws>, "Roberts, William C" <william.c.roberts@...el.com>, Tejun Heo <tj@...nel.org>,
Jordan Glover <Golden_Miller83@...tonmail.ch>, Greg KH <gregkh@...uxfoundation.org>,
Petr Mladek <pmladek@...e.com>, Joe Perches <joe@...ches.com>, Ian Campbell <ijc@...lion.org.uk>,
Sergey Senozhatsky <sergey.senozhatsky@...il.com>, Catalin Marinas <catalin.marinas@....com>,
Will Deacon <wilal.deacon@....com>, Steven Rostedt <rostedt@...dmis.org>,
Chris Fries <cfries@...gle.com>, Dave Weinstein <olorin@...gle.com>,
Daniel Micay <danielmicay@...il.com>, Djalal Harouni <tixxdz@...il.com>,
Radim Krcmár <rkrcmar@...hat.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Network Development <netdev@...r.kernel.org>,
David Miller <davem@...emloft.net>, Stephen Rothwell <sfr@...b.auug.org.au>,
Andrey Ryabinin <aryabinin@...tuozzo.com>, Alexander Potapenko <glider@...gle.com>,
Dmitry Vyukov <dvyukov@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH V11 4/5] vsprintf: add printk specifier %px
On Wed, Nov 29, 2017 at 2:28 PM, Kees Cook <keescook@...omium.org> wrote:
>
> In the future, maybe we could have a knob: unhashed, hashed (default),
> or zeroed.
I haven't actually seen a case for that yet.
Let's see if there are actually any debug issues at all, and how big
they are before worrying about it.
Linus
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