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=1793631007; b=ykBTrnMocQHz3L9LSRkxqZpwI7ybHyEr+0sJFQ7JbSvxjhZzSSHBIkvicU9y6Qz4zySs KltqTB9Or2mX0AgArINZF7xIe0u1jM06+3ThLkxFO9cC8CupZ/EiQhZN69c0K1+kycZAs /qo982nRwVlpcJtFk1uEtaDiJCY99VTIQk6dbsKFc9ViuodRC9VSP9zDsQY4r8I5QRqYB fzlW1mZVfXnToXJk4Fprx8qXTA4jpIS9e8fMUIU5mGa7YO1D8HBM7S3orfQ7tODLtCUJf jBP3Q/IlJ48wUQGl9XV1+u5vXlpwAI9NPo+9qKtzCDJwNt52JRhFNS3R4Org5bSIMnA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793631007; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=HNx+fPH5kZhTfn4I49WOc3WnlkHXXq6FOZR3hyrHaVY=; b=UWAvH3naSVMF/iaPxBD+SVJznPi4DXr4kPEdEXX0q2f0ou9vv47iZo6zqNUEy84/49vW EaC0h9BpS/4DF1ry2A/NCEItqICYvADSMgVxTQv5mG662y9VEPSv/C7fwTX2dUbjGGhHG ImGMstD8cqvx/1FhGm48QqjsCBPEqR8YBHW2BojBrKZTY+A2Ert+0wxe5dODEl3rfXRcU IFH/cJiAyaBX8RIqf2SuzEu4IVpKv+6YNY2i7E95kA6yFr4uUqLquDZzqrH/dO+kFHEVP c/NXA0BufLCXjNPccZpvesorFoQoXHYgt2/SwpJWUeDOFIK1BJFIsd64M9hv0Vr9lMA== 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=kJEicUyi; 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 B60B6606B0EF; Mon, 2 Nov 2026 14:50:06 +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=kJEicUyi Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4BBF01F00A16; Mon, 2 Nov 2026 14:50:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793631006; bh=HNx+fPH5kZhTfn4I49WOc3WnlkHXXq6FOZR3hyrHaVY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=kJEicUyiGlUNs/gUT8/mzeLX04sVLSX+PYmFYTFgOyahPZ/F+zeA6Bco8FdM5rXGH 8kr/J86iNKNkEYPaAoWrVWpNjogGYAZd6aKUOEQ+UCv9jU2oV7hpxGuJnslWhyLHst kLELOg68X9AS4Og3Dp+KBZxfZSHQ9nXxqY30GTt4yBG7A/xlXNfEeLOOIeEBBMTEDv 6nS6R1VYmFbstwzBP0AB1SXyyI5Jm4C+fqUJXQe6s8ipjgtLEhAA7IjGXY/drGVFNG 9ZYiUBMZWbKlwMbgoiDJFe8fAYOFka34nOGJ+tFAaqzMo7pBsD8Kn24dntewLYRDKj gazSVWo2rwmrw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 4033C380821F; Mon, 2 Nov 2026 14:50:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: netdev@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 net v3] net/iucv: take a private, writable frame before rewriting it in place From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179363100506.4107809.7403285775750444334.git-patchwork-notify@kernel.org> Date: Mon, 02 Nov 2026 14:50:05 +0000 References: <20261028-b4-disp-1edbbc34-v3-1-13495411f5b9@proton.me> In-Reply-To: <20261028-b4-disp-1edbbc34-v3-1-13495411f5b9@proton.me> To: Bryam Vargas Cc: edumazet@kernel.org, kuba@kernel.org, wintera@linux.ibm.com, pabeni@redhat.com, twinkler@linux.ibm.com, davem@davemloft.net, hidayath@linux.ibm.com, horms@kernel.org, ursula.braun@de.ibm.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Wed, 28 Oct 2026 23:47:13 -0500 you wrote: > From: Bryam Vargas > > afiucv_hs_rcv() rewrites the frame in place -- EBCASC() on four name > fields, then afiucv_swap_src_dest() swaps them and pushes an Ethernet > header -- and can hand the same skb to dev_queue_xmit(), without making > it private first, so a packet socket that also gets the frame reads the > rewritten names. An ETH_P_ALL tap runs first and leaves af_iucv a > cloned skb; a socket opened for ETH_P_AF_IUCV sits on a ptype_specific > list, walked after ptype_base[], so deliver_skb() takes a reference and > af_iucv runs on an skb that is shared but not cloned. > > [...] Here is the summary with links: - [net,v3] net/iucv: take a private, writable frame before rewriting it in place https://git.kernel.org/netdev/net/c/f38bce9af9e2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html