linux-kernel - Re: [PATCH v2 07/10] modpost: add support for generating namespace dependencies

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 13 Aug 2019 20:21:51 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Matthias Maennich <maennich@...gle.com>
Cc:     linux-kernel@...r.kernel.org, maco@...roid.com,
        kernel-team@...roid.com, arnd@...db.de, geert@...ux-m68k.org,
        hpa@...or.com, jeyu@...nel.org, joel@...lfernandes.org,
        kstewart@...uxfoundation.org, linux-arch@...r.kernel.org,
        linux-kbuild@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
        linux-modules@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-usb@...r.kernel.org, lucas.de.marchi@...il.com,
        maco@...gle.com, michal.lkml@...kovi.net, mingo@...hat.com,
        oneukum@...e.com, pombredanne@...b.com, sam@...nborg.org,
        sboyd@...eaurora.org, sspatil@...gle.com,
        stern@...land.harvard.edu, tglx@...utronix.de,
        usb-storage@...ts.one-eyed-alien.net, x86@...nel.org,
        yamada.masahiro@...ionext.com
Subject: Re: [PATCH v2 07/10] modpost: add support for generating namespace
 dependencies

On Tue, Aug 13, 2019 at 01:17:04PM +0100, Matthias Maennich wrote:
> This patch adds an option to modpost to generate a <module>.ns_deps file
> per module, containing the namespace dependencies for that module.
> 
> E.g. if the linked module my-module.ko would depend on the symbol
> myfunc.MY_NS in the namespace MY_NS, the my-module.ns_deps file created
> by modpost would contain the entry MY_NS to express the namespace
> dependency of my-module imposed by using the symbol myfunc.
> 
> These files can subsequently be used by static analysis tools (like
> coccinelle scripts) to address issues with missing namespace imports. A
> later patch of this series will introduce such a script 'nsdeps' and a
> corresponding make target to automatically add missing
> MODULE_IMPORT_NS() definitions to the module's sources. For that it uses
> the information provided in the generated .ns_deps files.
> 
> Co-developed-by: Martijn Coenen <maco@...roid.com>
> Signed-off-by: Martijn Coenen <maco@...roid.com>
> Signed-off-by: Matthias Maennich <maennich@...gle.com>
> ---
>  scripts/mod/modpost.c | 61 +++++++++++++++++++++++++++++++++++++++----
>  scripts/mod/modpost.h |  2 ++
>  2 files changed, 58 insertions(+), 5 deletions(-)

Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>