From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792548007; b=B4aSsiNPnmXba2PvGdZInZQ+YWHyfoaEdjUUzwjhDANlvw6eJTyVBAW3/XPVV/L0neNc 6zYBAYEL7BIwfoJVRwT/2QuAGHxgnNloaqVVDw5p2W3qcSYl01qiPdxdjFUP9RPKny1r/ /1g3RAVMrf59UuvpAyLkn1olDb2jWeDVpSJodeL8ZYtm7tnO7cKDeuH00hskagrxDZr+H 2ap87Q2VHd13pM6Y94HhnPWTG1u67b6gD2hOLEUAnB+TyDaTbPzsBIa1X/pHD8hkQ41an 3DMRK5bdFbydROo9aM6mpdoZNeBPtZ0zz8vsOTUCiA3NCCzRoRsnsOVoidHzE9zGvJw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792548007; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=0ezzVwOu0VoLVNOGHWkV3BBAKPLq8fzvzE339WEj3Q8=; b=CetDL2+2Bpb4VS1svLONcpf0mtdkQIndR7+nGGL5mVesDniIKiGOQ5aGNVYCGRtgS/2g zG6KxlvSFxNLfKt3bTffLALUNgwCBcdLsDVmfFZ1pqEUTXgXYMl64LzS8xPPil+LTRsSz 3KMswtLyCRDuC4o5LfdEaZ+j/jewWJdBuMSaOJMtAaf05TnkkqCs7WRgZqc7tHpJgYde8 uWMbr2Xm3PqvlCg9YxjmCRcWqW+10pwQkDw1znG2tXIn0VLQwVFLsGFEbr9SktFPSk2Iz mq+I1ONzGmBcSegsKvOsjNCIqXmd+vnSvWdI0gfsSKOGlSXkmk0jRCTDe9mTHc5HnYw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=AD4TBv6g; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0565606A31C; Wed, 21 Oct 2026 02:00:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=AD4TBv6g Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4745F1F000CA; Wed, 21 Oct 2026 02:00:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792548006; bh=0ezzVwOu0VoLVNOGHWkV3BBAKPLq8fzvzE339WEj3Q8=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=AD4TBv6gzNVxhKE6serzLOd8oRNgmXsYn+B+hDwWYixGF+S7uo1YKCrnr9srM0mrs VXd6VTtNL3Ck9JMoTeju2Ev4uVPsaA2ySHYEJSIu8Ni+5M09GxMl4zbouMPOQl37Rt lY+TNCin3/XfqJhWlXV5vERC27EYywYryE6vUHUe9qsZLkboFgUZTnvAdKHZLA01bp MUXqwdmDV7Q1WyENvgLflH1ZeZw0ySMKKLHR29MDT83g1uKlox4t8sQahTXnvFP7qr TqnCX/DhkwTy4fSsrN/U0uqxDBZYDonvNRKGi49eMtclTU/Kh8xzEUp08PkDQbZqQh 8FbrX7Klxf0BA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A2B03809A0D; Wed, 21 Oct 2026 02:00:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v3 net] net: skbuff: don't copy alloc_cpu in skb header copies From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179254800503.322903.6077235155996750199.git-patchwork-notify@kernel.org> Date: Wed, 21 Oct 2026 02:00:05 +0000 References: <20261019174152.2932829-1-cjubran@nvidia.com> In-Reply-To: <20261019174152.2932829-1-cjubran@nvidia.com> To: Carolina Jubran Cc: davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, kerneljasonxing@gmail.com, kuniyu@google.com, jiayuan.chen@linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dtatulea@nvidia.com, bjorn@kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 19 Oct 2026 20:41:52 +0300 you wrote: > Commit 68822bdf76f1 ("net: generalize skb freeing deferral to > per-cpu lists") added alloc_cpu to struct sk_buff and placed it in the > headers group copied by __copy_skb_header(). > > This is wrong for newly allocated skbs. For example, skb_segment() > allocates a new skb and records the current CPU in alloc_cpu, but > __copy_skb_header() overwrites it with the value from the original skb. > > [...] Here is the summary with links: - [v3,net] net: skbuff: don't copy alloc_cpu in skb header copies https://git.kernel.org/netdev/net/c/78d4bd22ec9d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html