[OpenWrt-Devel] Network broken with kernels 5.2+

[Mathias Kresin]

Am Mi., 12. Feb. 2020 um 17:38 Uhr schrieb Rafał Miłecki <zajec5 at gmail.com>:
>
> On Tue, 29 Oct 2019 at 07:00, Mathias Kresin <dev at kresin.me> wrote:
> > 28/10/2019 23:01, Rafał Miłecki:
> > > Using OpenWrt with kernels 5.2+ results in broken network. Interfaces
> > > seem OK but I cannot ping my router anymore.
> > >
> > > This regression is caused by the upstream commit
> > >
> > > commit b424e432e770d6dd572765459d5b6a96a19c5286 (refs/bisect/bad)
> > > Author: Michal Kubecek <mkubecek at suse.cz>
> > > Date:   Thu May 2 16:15:10 2019 +0200
> > >
> > >      netlink: add validation of NLA_F_NESTED flag
> > >
> > > Reverting that commit from the top of 5.2 or 5.3 fixes network for me.
> > >
> > > Any ideas what's wrong with OpenWrt & above change?
> > >
> >
> > Hey Rafał,
> >
> > assuming you are on a target using swconfig, this patch should fix the
> > broken network:
> >
> > https://git.openwrt.org/?p=openwrt/staging/mkresin.git;a=commit;h=3a772ee231e4b4c2c537d8d541f001b5242b9c35
>
> Do you mind if I push your patch? I successfully tested it with 5.4.

Feel free to push the patch.

Mathias

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