From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B6D0211261 for ; Mon, 3 Mar 2025 14:10:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741011000; cv=none; b=JFIsitwHuQ0E8bOsGWp9mZzNVdk/X9GB8sV1U/V8KGcLtH+lvfmD/NZ1lhfe3E9sf7ogEgpSL0Emf5jktLdLj7Qp2r7buuKUp6tAyabsRGcAfgmUY09TtRBR8dDrCc18swnDNDcODdWQI4UKmKBdFS/ViZVFpWOXkwV+jTkyMf8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741011000; c=relaxed/simple; bh=vNLLQelopAkPgmVxbSFDskaifMaJHcfTSsDi/7vyKvY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Q+k67FYOlMNwPL6xtayS0CI4S/S3OsaVOnDEOVyaZq+3zDe2M8ZKn53pOltEzBplVRlDlNocnsupGCvKYfUEDuhBxCaxDxZmofRlEXWpjbbXcnga1isBPVnL1kALZ0kVTUCUzERJ8Dl9uFt4gd6UIZzD1s15bwniu31bgqJ0c80= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A5qLtg71; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="A5qLtg71" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40142C4CED6; Mon, 3 Mar 2025 14:10:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741011000; bh=vNLLQelopAkPgmVxbSFDskaifMaJHcfTSsDi/7vyKvY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=A5qLtg71aWbFvcO+vpovrhdg87qewwqXgtQS4oT2YLP/ZCdajEAHE+kojr7CHpN+c q8qziOXfA9+m55M947XYyDhB9pPFf+eWa7ehwZrYYx9iqO6Ngev9lbMC+C5Is8Iigh ubBqqEqVCZKRT0R29YgynZzb2kM68qOI0011mMqpWU44/QQbF8+N5U1EjIsbvGgzLh Y0phLXRNGxgh2b1if23Wu4gpwuvyi+Gv51lApM75eD4bA8QJYngUvxxfQbspJ27bMd NDBRXPym6FKG7jWp6Gbp9i69P16mZNKReVQkZwbcOuigI9w1Ctj2LE0lTLWhhd65vJ XE9+r+7JT6HnA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 33F023809A8F; Mon, 3 Mar 2025 14:10:34 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] llc: do not use skb_get() before dev_queue_xmit() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <174101103271.3591127.13091256569197048949.git-patchwork-notify@kernel.org> Date: Mon, 03 Mar 2025 14:10:32 +0000 References: <20250227082642.2461118-1-edumazet@google.com> In-Reply-To: <20250227082642.2461118-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, syzbot+da65c993ae113742a25f@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Thu, 27 Feb 2025 08:26:42 +0000 you wrote: > syzbot is able to crash hosts [1], using llc and devices > not supporting IFF_TX_SKB_SHARING. > > In this case, e1000 driver calls eth_skb_pad(), while > the skb is shared. > > Simply replace skb_get() by skb_clone() in net/llc/llc_s_ac.c > > [...] Here is the summary with links: - [net] llc: do not use skb_get() before dev_queue_xmit() https://git.kernel.org/netdev/net/c/64e6a754d33d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html