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 BC6DB3314AB for ; Fri, 29 Aug 2025 16:39:59 +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=1756485599; cv=none; b=Z+YmCcN7bDM6iF+Yz3NcTQvpl7Eauc79RcgBC0kWmdc5FXYTvTs2J5Qe+n+5az1KdgSlDRPRlrD1oNhuOglBwWYiRV1US/R8yAc/v6/Dw6W+R/BHG6VyNVgS7xb3LYDbwA0AYfHApHk2Ci7q3ebosI/9NDop8sGUblE+FYrOdSI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756485599; c=relaxed/simple; bh=pfehsKbXeOzRr+SNS4gddY7pXnuYVG2D6jdS+wSf1Vg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=rY8YV6RfkwOSO2xOZ2noMJbADCawAYM/CsZuEUFtyTP83T5Z3rjboUW+2JhfZBsM4lpI6ikuNCi8SJBqF5xYMOQRRUfqPe4t+jwc6Yfh60UPVWAZnYJuSVx1EDFsem+vlpEjq0ZKruHVMQ6Cs9PVcBlDRKQ4D6xrgVbm8q7pHpg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l8iR7Tzc; 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="l8iR7Tzc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95542C4CEF0; Fri, 29 Aug 2025 16:39:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756485599; bh=pfehsKbXeOzRr+SNS4gddY7pXnuYVG2D6jdS+wSf1Vg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=l8iR7TzcdE99ya0d5JP9Xx9j7ubOC0sKDUaHwQDcQ/5E5L8xgRKaMokhSIB6qN+Fe jBVF+LJEe+LNtOjIMa1OWAOG0R6PUctYddcwrTH+r+1TqPpfLvoLYX807gEEiJtdNJ 4m0CyJMRVI12hS2fQod5bGOMHQG/si5dc2WrkHCG01AYSbCw9PBcRzKohRdkFGrFRs Nu/l/Usc4f9YsECMj/7/RGTjrSiBWIUA2XOsWreXdorGR9usGpeEtmUCzp9C88q+Jm /iYTY+cZYlGd174NR8f3dg85c3Y+G5fNEJIf1Ce1ZQWGNGAKba0DPR/jyOLu7/18vi RwCBUv2bZz42w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 989F2383BF75; Fri, 29 Aug 2025 16:40:07 +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 v1] Bluetooth: Fix use-after-free in l2cap_sock_cleanup_listen() From: patchwork-bot+bluetooth@kernel.org Message-Id: <175648560625.2276001.1665639095865015844.git-patchwork-notify@kernel.org> Date: Fri, 29 Aug 2025 16:40:06 +0000 References: <20250827204015.3712705-1-kuniyu@google.com> In-Reply-To: <20250827204015.3712705-1-kuniyu@google.com> To: Kuniyuki Iwashima Cc: marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com, iam@sung-woo.kim, kuni1840@gmail.com, linux-bluetooth@vger.kernel.org, syzbot+e5e64cdf8e92046dd3e1@syzkaller.appspotmail.com Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz : On Wed, 27 Aug 2025 20:40:14 +0000 you wrote: > syzbot reported the splat below without a repro. > > In the splat, a single thread calling bt_accept_dequeue() freed sk > and touched it after that. > > The root cause would be the racy l2cap_sock_cleanup_listen() call > added by the cited commit. > > [...] Here is the summary with links: - [v1] Bluetooth: Fix use-after-free in l2cap_sock_cleanup_listen() https://git.kernel.org/bluetooth/bluetooth-next/c/02925b3b935e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html