linux-kernel - Re: [PATCH] bootconfig: Extend the magic check range to the preceding 3 bytes

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Message-ID: <CADjb_WSx+sbxAz=p5dCN5PXzR5Zq2Nb3kgup-r8qNM1ftUMzDw@mail.gmail.com>
Date:   Fri, 13 Nov 2020 09:27:38 +0800
From:   Chen Yu <yu.chen.surf@...il.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Chen Yu <yu.c.chen@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] bootconfig: Extend the magic check range to the preceding
 3 bytes

On Fri, Nov 13, 2020 at 1:27 AM Masami Hiramatsu <mhiramat@...nel.org> wrote:
>
> Since Grub may align the size of initrd to 4 if user pass
> initrd from cpio, we have to check the preceding 3 bytes as well.
>
> Fixes: 85c46b78da58 ("bootconfig: Add bootconfig magic word for indicating bootconfig explicitly")
> Reported-by: Chen Yu <yu.chen.surf@...il.com>
> Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
> ---
Works for me, thanks!
Tested-by: Chen Yu <yu.chen.surf@...il.com>

Best,
Chenyu