From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4359D3ED3A4 for ; Fri, 26 Jun 2026 11:16:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782472621; cv=none; b=mtIpOevtd9/xF6nw4I1Nvna3LKItmIjqsuJ8E1W9Wl097e0KrJsEUtPRlc8Nlu86Iya1oItfjpvYbVVF1eARy6FngV60pH1M2uJvOuuW/5+0rL5j0QUAYcSpNK6wibbih22U3gOpfk0bEvRfHmUFSJmaPt0+33axpfflSu+iZuY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782472621; c=relaxed/simple; bh=b8gLBh91AtTCGhKSGd5UZEAzcOtFLMRnnrOWDMfcQ4Q=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=anPN5RYL7SuwTaW7ul+6eD/wi4/CxNINA2YF9LSc7RkjVGCnRnNUG2ZnHrF6f/+AmuKM2ujzkhtMET2nh0VWy/EkpU7/ZIL1X0ok5Zt90Q6i/t29b4xF3a8ybr460hIG2djQ+ey4rpmuZFzAZlEZ6Atz5icsMuIZ9Kb2WNNE2PM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eh4UVTC2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eh4UVTC2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E767E1F000E9; Fri, 26 Jun 2026 11:16:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782472618; bh=KxXuneznZwGFnTaUn+H8EkpnEtFMGkj6THzOoxmPvMs=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=eh4UVTC2UVqa9qMZrtNPQD3GWw8jvIObxnFkTMdD8wcZl0aPcDJPKgPYFSd2Ew3ox ey7WL6+QRezK2QpA2/Lb/feY/EGPtlukvi3oQ9vFbkQHrs3+cGtrsf/nvuTQK6G3oa 0RGpo/1b+GOqNw6nKtKQeo8jQ4Z2AQX599r+AgSDRHDCOwokwss84Wg7oUyaaDUsNs 7G9Dhy7+H0rrBtBoharwPf2QGiVK/tUidqb2rTOH4ymT1Q7W6fLU1ri8LitIDd9WHA AdWue+gkcQtTwsDtjrYFVaTSC7Ymt2QOUEOAHtEZKZp5n0XFWhC/8n2eUc37Y53tUV HaIs/RYVx6BiA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 1975C39389EE; Fri, 26 Jun 2026 11:16:47 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] Bluetooth: 6lowpan: hold L2CAP conn across debugfs control From: patchwork-bot+bluetooth@kernel.org Message-Id: <178247260556.3816447.5186241718967422819.git-patchwork-notify@kernel.org> Date: Fri, 26 Jun 2026 11:16:45 +0000 References: <20260623161259.2175870-1-zzzccc427@gmail.com> In-Reply-To: <20260623161259.2175870-1-zzzccc427@gmail.com> To: Cen Zhang Cc: marcel@holtmann.org, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org, baijiaju1990@gmail.com Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz : On Wed, 24 Jun 2026 00:12:59 +0800 you wrote: > get_l2cap_conn() looks up an LE hci_conn under hdev protection, but > then drops that protection before reading hcon->l2cap_data and before > lowpan_control_write() later dereferences conn->hcon. A disconnect or > device close can tear down the same L2CAP connection in that window. > > The buggy scenario involves two paths, with each column showing the order > within that path: > > [...] Here is the summary with links: - Bluetooth: 6lowpan: hold L2CAP conn across debugfs control https://git.kernel.org/bluetooth/bluetooth-next/c/d138ff8690c8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html