Re: [PATCH 6.6 000/587] 6.6.103-rc1 review

[Greg Kroah-Hartman]

On Tue, Aug 26, 2025 at 12:42:40PM +0000, Brett A C Sheffield wrote:
> Hi Greg,
> 
> On 2025-08-26 13:02, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 6.6.103 release.
> > There are 587 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Thu, 28 Aug 2025 11:08:24 +0000.
> > Anything received after that time might be too late.
> 
> Quick query - should we be backporting a known regression, even if it is in
> mainline presently, or do we wait until the fix is applied to mainline and
> *then* backport both patches?
> 
> 9e30ecf23b1b ("net: ipv4: fix incorrect MTU in broadcast routes")
> 
> introduces a regression which breaks IPv4 broadcast, which stops WOL working
> (breaking my CI system), among other things:
> 
> https://lore.kernel.org/regressions/20250822165231.4353-4-bacs@xxxxxxxxxxxxx
> 
> This regression has *already* been backported to:
> 
> - 6.16.3
> - 6.12.43
> 
> so I guess we wait for a fix for these.
> 
> However, it is not yet present in the other stable kernels.  The new stable
> release candidates today would spread the breakage to:
> 
> - 6.6.y
> - 6.1.y
> - 5.15.y
> - 5.10.y
> 
> Do we revert this patch in today's RCs for now, or keep it for full
> compatibility with mainline bugliness?

Is the fix in linux-next yet?  If it's there, I can queue it up
everywhere, which might be best.

thanks,

greg k-h