Re: [PATCH AUTOSEL 6.13 13/17] mptcp: safety check before fallback

[Sasha Levin]

On Mon, Mar 03, 2025 at 06:05:12PM +0100, Matthieu Baerts wrote:
> Hi Sasha,
>
> On 03/03/2025 17:29, Sasha Levin wrote:
> > From: "Matthieu Baerts (NGI0)" <matttbe@xxxxxxxxxx>
> >
> > [ Upstream commit db75a16813aabae3b78c06b1b99f5e314c1f55d3 ]
> >
> > Recently, some fallback have been initiated, while the connection was
> > not supposed to fallback.
> >
> > Add a safety check with a warning to detect when an wrong attempt to
> > fallback is being done. This should help detecting any future issues
> > quicker.
> >
> > Acked-by: Paolo Abeni <pabeni@xxxxxxxxxx>
> > Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
> > Link: https://patch.msgid.link/20250224-net-mptcp-misc-fixes-v1-3-f550f636b435@xxxxxxxxxx
> > Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
>
> Thank you for backporting this patch, but is it OK to delay it a bit on
> v6.13 and older please?
>
> This patch depends on its parent commit, commit 8668860b0ad3 ("mptcp:
> reset when MPTCP opts are dropped after join"), on kernels >=v5.19, to
> avoid a WARN().

Waited a bit, looks ok to pull in now :)

--
Thanks,
Sasha