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 A546321CC59; Thu, 30 Oct 2025 00:50:38 +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=1761785438; cv=none; b=eJjJojJ+kfzH2efnCWjCK5bZdCb9Wh6+8Mz03B0mVbvm0wF81L4NQAGIa/80v35JXFQxcZoNxhl9m/hfM+Iwq/OpoCb+1tHyKT1zFaQx1pDOWsngD3QgqNsIdfsBPkYO52J7Sh6CsDeqrhNw9Sbf2BgaY1HvT2HyiMZADxoMOTY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761785438; c=relaxed/simple; bh=7xyDtXFYWXSrVN03wahi/wmzYK6WP0+VW95heOvG+38=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Xp5S6f5np8pNQcD0lsFYgRDNoORqCPhGVlE5DH4W34QHCAxJAss3I0ujuNuhUypAX8+1ki/IcDeC6JQxBK4h9pDGVQeB7n+3ijOxZEIER1Omi7Gd5ABSLReohyOzV6++KGjSA2bB5Jp/CuyIw0YP6Fb/MgGqkWcGrHWGkDY4ISw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a8cNZ77W; 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="a8cNZ77W" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2DE0AC4CEF7; Thu, 30 Oct 2025 00:50:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761785438; bh=7xyDtXFYWXSrVN03wahi/wmzYK6WP0+VW95heOvG+38=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=a8cNZ77WjcVCKKbA6KOdX8mZrlghwHbJS22IaY3AiZY8PRnNmy1asQYpkKLrlS+n3 0VqJksgm5cEGGA5ulghYgasCC6x9OwAhA6Htlnl8+0DRWIig4VOB3aKqEaacaWb86M jPFIvGUxDFyIOtaDHMeH+pXpQ0NSzV4cf6f4MttX9jpuyxbM4QoAwq3NU45YPIAk/v Hf+qQNfK8eIkE2L053wEm2AlrEldLL7QwXJ96qkmYu9N9G+6P5AGAozTu2Dob6uBtc lHHlyyizSHptdo+ngLVnYlFpAN+UB0JytCIiIeTYiugFM0/FcQRhP4Ner9RqYch/Nq ZeNiDmbxG2Utw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70EB63A55EC7; Thu, 30 Oct 2025 00:50:16 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v4] netconsole: Fix race condition in between reader and writer of userdata From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176178541524.3267234.10609785417431668528.git-patchwork-notify@kernel.org> Date: Thu, 30 Oct 2025 00:50:15 +0000 References: <20251028-netconsole-fix-race-v4-1-63560b0ae1a0@meta.com> In-Reply-To: <20251028-netconsole-fix-race-v4-1-63560b0ae1a0@meta.com> To: Gustavo Luiz Duarte Cc: asantostc@gmail.com, horms@kernel.org, leitao@debian.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, thepacketgeek@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 28 Oct 2025 15:06:32 -0700 you wrote: > The update_userdata() function constructs the complete userdata string > in nt->extradata_complete and updates nt->userdata_length. This data > is then read by write_msg() and write_ext_msg() when sending netconsole > messages. However, update_userdata() was not holding target_list_lock > during this process, allowing concurrent message transmission to read > partially updated userdata. > > [...] Here is the summary with links: - [net,v4] netconsole: Fix race condition in between reader and writer of userdata https://git.kernel.org/netdev/net/c/00764aa5c9bb You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html