linux-kernel - Re: Since 6.18.x make binrpm-pkg does not sign modules

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Message-ID: <aWilqPP-udHWtiu1@derry.ads.avm.de>
Date: Thu, 15 Jan 2026 09:30:32 +0100
From: Nicolas Schier <nsc@...nel.org>
To: Holger Kiehl <Holger.Kiehl@....de>
Cc: linux-kernel <linux-kernel@...r.kernel.org>,
	Nathan Chancellor <nathan@...nel.org>, linux-kbuild@...r.kernel.org,
	Uday Shankar <ushankar@...estorage.com>
Subject: Re: Since 6.18.x make binrpm-pkg does not sign modules

On Sun, Jan 11, 2026 at 06:41:39PM +0100, Holger Kiehl wrote:
> On Sat, 10 Jan 2026, Nicolas Schier wrote:
> 
> > A simple solution might be to call modules_sign target after the
> > find-debuginfo.sh run; but commit 16c36f8864e3 spunds to me as if we
> > should rather do something similiar as for the Debian packages:
> > modules_install with INSTALL_MOD_STRIP=1 and then install only the debug
> > infos manually.
> > 
> > Does that make sense?
> > 
> I am not a kernel developer and my knowledge in this area is very
> limited. Did try your suggestion to call modules_install with
> INSTALL_MOD_STRIP=1, but still the signature was removed in the
> RPM. Removing the 'chmod u+x', so find-debuginfo.sh does not strip
> them, did not help either. But, most properly, I am still missing
> something.

I am going to have a closer look at that, but that will take time.

A possible work-around might be to enable CONFIG_MODULE_COMPRESS and
CONFIG_MODULE_COMPRESS_ALL, which prevents find-debuginfo.sh from
stripping (but you won't get debug modules, too).

Kind regards,
Nicolas