[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20171130102638.GA434@jagdpanzerIV>
Date: Thu, 30 Nov 2017 19:26:38 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To: David Laight <David.Laight@...LAB.COM>
Cc: 'Andrew Morton' <akpm@...ux-foundation.org>,
"Tobin C. Harding" <me@...in.cc>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
"Jason A. Donenfeld" <Jason@...c4.com>,
Theodore Ts'o <tytso@....edu>, Kees Cook <keescook@...omium.org>,
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@...r.kernel.org" <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>
Subject: Re: [PATCH V11 0/5] hash addresses printed with %p
On (11/30/17 10:23), David Laight wrote:
[..]
> > Maybe I'm being thick, but... if we're rendering these addresses
> > unusable by hashing them, why not just print something like
> > "<obscured>" in their place? That loses the uniqueness thing but I
> > wonder how valuable that is in practice?
>
> My worry is that is you get a kernel 'oops' print with actual register
> values you have no easy way of tying an address or address+offset to
> the corresponding hash(address) printed elsewhere.
print the existing hash:pointer mappings in panic()? [if we can do that]
-ss
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
