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From: patchwork-bot+netdevbpf@kernel.org
To: Alireza Asgari <alireza@asgari.net>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, horms@kernel.org, dhowells@redhat.com,
	shuah@kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH net 0/2] Fix UDP splice checksum alignment across fragments
Date: Wed, 30 Sep 2026 00:20:06 +0000	[thread overview]
Message-ID: <179072760680.1177515.1580969654477785710.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260924-fix-udp-splice-checksum-v1-0-fe61d65447a8@asgari.net>

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Thu, 24 Sep 2026 13:00:23 +0000 you wrote:
> When skb_splice_from_iter() appends several pipe fragments, it updates
> skb->len only after the loop. The software-checksum helper nevertheless
> uses that unchanged length as the checksum position for each fragment.
> An odd number of bytes already appended during the call therefore gives
> later fragments the wrong checksum alignment.
> 
> A standalone reproducer primes a UDP socket with sendto(MSG_MORE), splices
> distinct pipe buffers, then uncorks the datagram. The send succeeds, but
> the receiver drops the packet and increments its checksum-error counter.
> 
> [...]

Here is the summary with links:
  - [net,1/2] net: fix checksum offsets in skb_splice_from_iter()
    https://git.kernel.org/netdev/net/c/febec6a70764
  - [net,2/2] selftests: net: cover UDP splice checksum fragment alignment
    https://git.kernel.org/netdev/net/c/1221246d3bd0

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-09-30  0:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-24 13:00 Alireza Asgari via B4 Relay
2026-09-24 13:00 ` [PATCH net 1/2] net: fix checksum offsets in skb_splice_from_iter() Alireza Asgari via B4 Relay
2026-09-24 13:00 ` [PATCH net 2/2] selftests: net: cover UDP splice checksum fragment alignment Alireza Asgari via B4 Relay
2026-09-30  0:20 ` patchwork-bot+netdevbpf [this message]

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