Re: 5.10 backport request: ASoC: Intel: sof_rt5682: shrink platform_id names below 20 characters

[Greg KH <greg@kroah.com>]

On Fri, Aug 29, 2025 at 09:09:33AM +0200, Michał Górny wrote:
> Hello,
> 
> On Fri, 2025-08-29 at 08:03 +0200, Michał Górny wrote:
> > Hello,
> > 
> > I would like to request backporting the following patch to 5.10 series:
> > 
> >   590cfb082837cc6c0c595adf1711330197c86a58
> >   ASoC: Intel: sof_rt5682: shrink platform_id names below 20 characters
> > 
> > The patch seems to be already present in 5.15 and newer branches, and
> > its lack seems to be causing out-of-bounds read.  I've hit it in the
> > wild while trying to install 5.10.241 on i686:
> > 
> >   sh /var/tmp/portage/sys-kernel/gentoo-kernel-5.10.241/work/linux-5.10/scripts/depmod.sh depmod 5.10.241-gentoo-dist
> > depmod: FATAL: Module index: bad character '�'=0x80 - only 7-bit ASCII is supported:
> > platform:jsl_rt5682_max98360ax�
> > 
> 
> I'm sorry, I should've waited for my test results first.  Looks like
> this patch alone is insufficient.  Looking at 5.15 stable branch, I see
> that we probably need:
> 
>     ASoC: Intel: bxt_da7219_max98357a: shrink platform_id below 20 characters
>     ASoC: Intel: sof_rt5682: shrink platform_id names below 20 characters
>     ASoC: Intel: glk_rt5682_max98357a: shrink platform_id below 20 characters
>     ASoC: Intel: kbl_da7219_max98357a: shrink platform_id below 20 characters
>     ASoC: Intel: sof_da7219_max98373: shrink platform_id below 20 characters
>     ASoC: Intel: sof_da7219_mx98360a: fail to initialize soundcard
>     ASoC: Intel: Fix platform ID matching
> 
> Unless I'm mistaken, the firt series are part of the merge commit
> 98c69fcc9f5902b0c340acdbbfa365464efc52d2.  The followup fixes are:
> 
>     0f32d9eb38c13c32895b5bf695eac639cee02d6c
>     f4eeaed04e861b95f1f2c911263f2fcaa959c078
> 
> I didn't find anything else that seemed obviously elevant, but I didn't
> dug deep.  With these backports, I can build 5.10.241 fine -- but I
> don't have any hardware to test these drivers.

So what exact commits are needed and in what order?  Can you just send
tested backports to us so that we know we got it right?

thanks,

greg k-h