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Message-ID: <20171129042943.GG15500@eros>
Date: Wed, 29 Nov 2017 15:29:43 +1100
From: "Tobin C. Harding" <me@...in.cc>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: "kernel-hardening@...ts.openwall.com"
<kernel-hardening@...ts.openwall.com>,
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William C" <william.c.roberts@...el.com>, Tejun Heo <tj@...nel.org>,
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Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH V11 4/5] vsprintf: add printk specifier %px
On Tue, Nov 28, 2017 at 06:29:02PM -0800, Linus Torvalds wrote:
> On Tue, Nov 28, 2017 at 6:05 PM, Tobin C. Harding <me@...in.cc> wrote:
> >
> > Let's add specifier %px as a
> > clear, opt-in, way to print a pointer and maintain some level of
> > isolation from all the other hex integer output within the Kernel.
>
> Yes, I like this model. It's easy and it's obvious ("'x' for hex"),
> and it gives people a good way to say "yes, I really want the actual
> address as hex" for if/when the hashed pointer doesn't work for some
> reason.
>
> So me likey.
BOOM!
> And as with the address leaking script, I'd like it even more if you
> made it a git tree and I'll pull it.
Pull request to come.
thanks,
Tobin.
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