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 253D545FFD1; Tue, 4 Aug 2026 17:40:45 +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=1785865247; cv=none; b=eJi2fRX2a4QdjpTaVwhr5uk1ahdWRKqRmAS3CA37aaOEpsTgLc4QD63PuVrEIN056ZpZwogZzN71moWXwVWz+/ptjojIBAMXWhZhKAmAaGg815nPCZMQ7mb6+oGmTG+y12rvUcjtmS6n+llnwGfod0qVogstp5inAP1iSBTDYQo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785865247; c=relaxed/simple; bh=n5ZwJTtEjDBEf3PdOxZgW8h1Ec/ty6cm4d48ElfZNdk=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=iahg/djYdi7M75Gn/8rzM5gSffPTtih6fRL2q5/RdBdkiokPkcFWAZ6GimSSwmvSvESNiPr2w1GeexKfjGlWrqmQi28rjSTk32Mhc5jlO/r3Mxr0KvdxnCyn5LRSRxvQQ4n+P4s82LohiK6+5HPQZWOZwlRzRJfFZmEAlhmOOvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ib2hSx6K; 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="ib2hSx6K" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D348E1F000E9; Tue, 4 Aug 2026 17:40:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785865245; bh=bfQicKI4BU9aOY1rMKjBCrn9zaY6KF0qdwDHPiJGpyc=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=ib2hSx6Kn8SACASyDz9iDG9hTxZkScG9rcMytNQgNn9pqptPFP3X1UEMkFqQi/w+d 42JCUUVLB7dfsWBHI/SwkgDCy00ErtJK1xWYVZaHip6/TgoQKl44778pEzxB4Z84lZ FBvNajJbFo0gmvLkB8TTnvjHB8B7HqZ1ndrLbXTE31baAuNOaKL9gHNizBuE7ULkWP ObilNYALNGkjsl7ZpSI2HND9ErgBnQHG8hPHCQCgxYnUNolUzXW9lSar4XazY0O4/d Nwin/EdWTpzO6/Yic1GhtndM+gi2Z58X+6b2giwWIkQFBGkla07WGPx1uRftT5iBVe bl/3JducSlRnw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 93A713926272; Tue, 4 Aug 2026 17:40:07 +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 1/2] Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind From: patchwork-bot+bluetooth@kernel.org Message-Id: <178586520639.3702995.4820111211961794827.git-patchwork-notify@kernel.org> Date: Tue, 04 Aug 2026 17:40:06 +0000 References: In-Reply-To: To: Pauli Virtanen Cc: linux-bluetooth@vger.kernel.org, marcel@holtmann.org, luiz.dentz@gmail.com, linux-kernel@vger.kernel.org, syzbot+9c40ad7c6ed7165e46e8@syzkaller.appspotmail.com, syzkaller-bugs@googlegroups.com Hello: This series was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz : On Sat, 1 Aug 2026 21:37:23 +0300 you wrote: > hci_conn::l2cap_data is accessed without locks in l2cap_disconn_ind via > hci_conn_timeout (disc_work) -> hci_proto_disconn_ind -> > l2cap_disconn_ind. This is UAF if the l2cap_conn is deleted > concurrently. > > disc_work is disabled sync in hci_conn_del(), so we cannot take > hci_dev_lock in disc_work. > > [...] Here is the summary with links: - [1/2] Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind https://git.kernel.org/bluetooth/bluetooth-next/c/b974e13aafe9 - [2/2] Bluetooth: add annotations for l2cap_data locking context https://git.kernel.org/bluetooth/bluetooth-next/c/d740cf77461a You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html