Re: Please backport bridge multicast exponential field encoding fix series to 6.1.y/6.6.y/6.12.y/6.18.y/7.0.y

Ujjal Roy <[email protected]> Thu, 9 Jul 2026 18:12:40 +0530
Newsgroups dev.linux.lists.bridge,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.netdev,org.kernel.vger.stable
Message-ID <CAE2MWk=mm8_bkd54Gv1mdox6rfvx85Dd3AjOCxPz0fPAfyuWYA@mail.gmail.com>
On Thu, Jul 9, 2026 at 4:34=E2=80=AFPM Greg KH <[email protected]>=
 wrote:
>
> On Thu, Jul 09, 2026 at 10:13:27AM +0000, Ujjal Roy wrote:
> > Hi Greg,
> >
> > Please consider backporting the following bridge multicast fix series t=
o 6.1.y, 6.6.y, 6.12.y, 6.18.y and 7.0.y.
> >
> > 726fa7da2d8c ("ipv4: igmp: get rid of IGMPV3_{QQIC,MRC} and simplify ca=
lculation")
> > 12cfb4ecc471 ("ipv6: mld: rename mldv2_mrc() and add mldv2_qqi()")
> > 95bfd196f0dc ("ipv4: igmp: encode multicast exponential fields")
> > e51560f4220a ("ipv6: mld: encode multicast exponential fields")
> > 529dbe762de0 ("selftests: net: bridge: add MRC and QQIC field encoding =
tests")
>
> Why is any of this needed in older kernels?
>
> And 7.0.y is long end-of-life.
>
> And why, if this does fix issues, was it not tagged for stable to start
> with?
>
> thanks,
>
> greg k-h

I already explained this in the email thread, "Please backport bridge
multicast exponential field encoding fix series to stable kernels".