linux-kernel - Re: [PATCH] module: add in-kernel support for decompressing

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Message-ID: <YafYvA5JWMgb6PVy@google.com>
Date:   Wed, 1 Dec 2021 12:19:08 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Luis Chamberlain <mcgrof@...nel.org>, Jessica Yu <jeyu@...nel.org>,
        linux-kernel@...r.kernel.org, linux-modules@...r.kernel.org
Subject: Re: [PATCH] module: add in-kernel support for decompressing

On Wed, Dec 01, 2021 at 11:24:35AM -0800, Kees Cook wrote:
> On Sat, Nov 27, 2021 at 09:48:22PM -0800, Dmitry Torokhov wrote:
> >  /* Flags for sys_finit_module: */
> >  #define MODULE_INIT_IGNORE_MODVERSIONS	1
> >  #define MODULE_INIT_IGNORE_VERMAGIC	2
> > +#define MODULE_INIT_COMPRESSED_DATA	4
> 
> bikeshedding: adding "_DATA" seems redundant/misleading? The entire
> module is compressed, so maybe call it just MODULE_INIT_COMPRESSED ?

OK, or maybe MODULE_INIT_COMPRESSED_FILE since we are indeed dealing
with a file?

Thanks.

-- 
Dmitry