netdev - Re: [PATCH stable 5.10,5.15 2/2] bpf: Fix L4 csum update on IPv6 in CHECKSUM

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Message-ID: <2025062302-oxford-squiggle-5fa3@gregkh>
Date: Mon, 23 Jun 2025 11:13:37 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Paul Chaignon <paul.chaignon@...il.com>
Cc: stable@...r.kernel.org, Sasha Levin <sashal@...nel.org>,
	netdev@...r.kernel.org, bpf@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	David Ahern <dsahern@...nel.org>, Tom Herbert <tom@...bertland.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>
Subject: Re: [PATCH stable 5.10,5.15 2/2] bpf: Fix L4 csum update on IPv6 in
 CHECKSUM_COMPLETE

On Mon, Jun 23, 2025 at 11:04:52AM +0200, Paul Chaignon wrote:
> On Mon, Jun 23, 2025 at 10:46:47AM +0200, Greg Kroah-Hartman wrote:
> > On Tue, Jun 17, 2025 at 05:49:21PM +0200, Paul Chaignon wrote:
> > > [ Upstream commit ead7f9b8de65632ef8060b84b0c55049a33cfea1 ]
> > > [ Note: Fixed conflict due to unrelated comment change. ]
> > 
> > This does not apply to the 5.15.y tree at all, due to:
> > 
> > > -		inet_proto_csum_replace_by_diff(ptr, skb, to, is_pseudo, false);
> > > +		inet_proto_csum_replace_by_diff(ptr, skb, to, is_pseudo, is_ipv6);
> > 
> > This chunk.
> > 
> > Can you fix that up and resend just this one?
> 
> It requires the 1/2 patch to apply correctly. I've tested them on the
> tip of 5.15.y (1c700860e8bc). Or is there some reason not to backport
> the 1/2 patch?

Argh, my fault, I applied patch 1/2 to 5.4.y and 5.10.y, not 5.15.y.
I'll go fix that up now, sorry for the noise.

greg "drowning in backports" k-h