linux-kernel - Re: [PATCH v4 00/10] Function Granular KASLR

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Message-ID: <202007220738.72F26D2480@keescook>
Date:   Wed, 22 Jul 2020 07:39:55 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Miroslav Benes <mbenes@...e.cz>
Cc:     Kristen Carlson Accardi <kristen@...ux.intel.com>,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        arjan@...ux.intel.com, x86@...nel.org,
        linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com,
        rick.p.edgecombe@...el.com, live-patching@...r.kernel.org
Subject: Re: [PATCH v4 00/10] Function Granular KASLR

On Wed, Jul 22, 2020 at 11:27:30AM +0200, Miroslav Benes wrote:
> Let me CC live-patching ML, because from a quick glance this is something 
> which could impact live patching code. At least it invalidates assumptions 
> which "sympos" is based on.

In a quick skim, it looks like the symbol resolution is using
kallsyms_on_each_symbol(), so I think this is safe? What's a good
selftest for live-patching?

-- 
Kees Cook