linux-kernel - Re: [PATCH v5 0/4] Certificate insertion support for x86 bzImages

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Date:   Mon, 25 Sep 2017 09:12:01 +0300
From:   Mike Rapoport <rppt@...ux.vnet.ibm.com>
To:     David Howells <dhowells@...hat.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        keyrings <keyrings@...r.kernel.org>,
        LSM <linux-security-module@...r.kernel.org>,
        kernel <linux-kernel@...r.kernel.org>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        George Wilson <gcwilson@...ibm.com>,
        Mehmet Kayaalp <mkayaalp@...ux.vnet.ibm.com>
Subject: Re: [PATCH v5 0/4] Certificate insertion support for x86 bzImages

Hi,

> These patches add support for modifying the reserved space for extra
> certificates in a compressed bzImage in x86. This allows separating the
> system keyring certificate from the kernel build process. After the kernel
> image is distributed, the insert-sys-cert script can be used to insert the
> certificate for x86.

I know it's been a while since these patches were posted and they seem to
fail between the cracks ...
Is there anything that prevents merging them?
 
> Changes:
> 
> v5:
> * Added CRC fixing (3/4)
> 
> v4:
> * Applied checkpatch.pl suggestions (2/4, 3/4)
> * Cleaned up the commit messages (1/4, 2/4)
> * Added the build file to .gitignore (1/4)
> 
> v3:
> * Rewrote 1/4 to insert incompressible bytes are at build time. Previous
> solution required changes to <arch>/boot/Makefile's for modifying the
> vmlinux file after linking, and did not work well with cross compilation.
> * Added 2/4 for ELF class-independent processing of vmlinux file, in case
> the script was compiled for 64-bit and the kernel was compiled for 32-bit.
> * Reordered 3/4, added x86 bzImage boot version (>=2.08) verification.
> 
> v2:
> * Rebased arch/boot/x86/Makefile patch (removed in v3)
> 
> Mehmet Kayaalp (4):
>   KEYS: Insert incompressible bytes to reserve space in bzImage
>   KEYS: Add ELF class-independent certificate insertion support
>   KEYS: Support for inserting a certificate into x86 bzImage
>   KEYS: Print insert-sys-cert information to stdout instead of stderr
> 
>  certs/.gitignore            |   1 +
>  certs/Makefile              |  21 +-
>  certs/system_certificates.S |   2 +-
>  scripts/Makefile            |   1 +
>  scripts/insert-sys-cert.c   | 473 +++++++++++++++++++++++++++++++++-----------
>  5 files changed, 381 insertions(+), 117 deletions(-)

-- 
Sincerely yours,
Mike.