linux-kernel - Re: [PATCH v7] printk: hash addresses printed with %p

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Message-ID: <20171024003158.GB1429@eros>
Date:   Tue, 24 Oct 2017 11:31:58 +1100
From:   "Tobin C. Harding" <me@...in.cc>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     kernel-hardening@...ts.openwall.com, Theodore Ts'o <tytso@....edu>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Tycho Andersen <tycho@...ker.com>,
        "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>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7] printk: hash addresses printed with %p

On Tue, Oct 24, 2017 at 01:00:03AM +0200, Jason A. Donenfeld wrote:
> Provided you've tested this and the static_key guard stuff actually
> works as intended,

I tested by inserting a simple module that calls printf() with a bunch of
different specifiers. So it's tested but not stress tested. Some stress testing
might be nice, no ideas how to go about that though.

> for the crypto/rng/siphash aspects:
> 
> Reviewed-by: Jason A. Donenfeld <Jason@...c4.com>

thanks,
Tobin.