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SubjectRe: [PATCH 4.19 01/24] bridge: do not add port to router list when receives query with source 0.0.0.0
On Wed, Feb 20, 2019 at 03:09:21PM +0200, Nikolay Aleksandrov wrote:
> On 20/02/2019 14:48, Sebastian Gottschall wrote:
> > *reminder*
> >
> [snip]
> >>>>>    }
> >>>>>    static void br_ip4_multicast_query(struct net_bridge *br,
> >>> Is this also a problem in 4.20?  This patch went into 4.20-rc1, so it
> >>> has been around for a while with no reported issues that I can find.
> >>> Any pointers to the reports?
> >>
> >> i need to check this. i found this patch in 4.9, 4.14 and 4.4
> >> the rest was picked up from the mailinglist. according to the git sources of 4.20 and 5.0 the same code is in there as well
> >>
> >> i just got the report from users today and was able to reproduce it with iptv streams. just by disabling the code it was working again.
> >>
> >> Sebastian
> >>>
> >>> thanks,
> >>>
> >>> greg k-h
> >>>
> >>
>
> Could you please include more details about the setup that's broken ?
> Note that we were warned[1] of potential breakage from this change

Sorry I missed Linus's reply after Ying Xu replied. I will read it and
disscuss with Ying Xu.

> after it went in and regardless of the suggestion from the RFC we'll
> probably have to revert this patch.
>
> Ying Xu as author of the patch, any thoughts ?

No, we are also waiting for more details from Sebastian.

Thanks
Hangbin

>
> Also adding Linus Lüssing to the CC as he was the one who warned against it.
> Note that the warning was sent as a reply to my breakage fix, but it was intended
> for the original patch.
>
> Thanks,
> Nik
>
> [1] https://www.mail-archive.com/netdev@vger.kernel.org/msg272944.html
>

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