linux-kernel - Re: --orphan-handling=warn

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Message-ID: <16822a0460e37e7a388217c63da8882d2904d8fc.camel@linux.intel.com>
Date:   Wed, 26 Feb 2020 11:11:01 -0800
From:   Kristen Carlson Accardi <kristen@...ux.intel.com>
To:     Kees Cook <keescook@...omium.org>,
        Fangrui Song <maskray@...gle.com>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Borislav Petkov <bp@...en8.de>,
        Nathan Chancellor <natechancellor@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Michael Matz <matz@...e.de>
Subject: Re: --orphan-handling=warn

On Tue, 2020-02-25 at 21:35 -0800, Kees Cook wrote:
> 
> Thanks for looking into this! It'll be really nice to have the orphan
> section warnings working in the kernel. And getting the ground work
> for
> FGKASLR ready will be nice!
> 
> Kristen, can I convince you that FG stands for function-granular
> instead of fine-grain? :)
> 

Yes, sounds good to me - that way if we ever do basic block reordering
or some crazy thing like that we don't have to say even-finer-fine-
grained KASLR :).

Thanks for your help making this work.