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 68C8C4E73DD; Mon, 28 Sep 2026 15:41:47 +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=1790610112; cv=none; b=LyRW/LxcmC6hcmxqXgucFXEd6TSK52HUDdTE4hCkNRuX4WdhfivyR1RJF8D5zTkiavvEv5DoGYhUsAMrUQj/RxggwgmKlssRMHcJyGlnYWJEM4fWM/GlvEIf5TtQEAHjV7beGIsca5+SfnfgYl0uyULRrZRSE0nUlElrduFYq4c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790610112; c=relaxed/simple; bh=4Xw9kuabujU4yzNhnLtlgulQmVqIM2VNYD3Pol5QHBY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=NFNAVSmMpaXoEgzaBsE4Ht9Bmnbo9J3IUQUC/4Vxg2ObU1TFowHZwG0nM9N4Wv3U185BmmvLRISQbXlUa+SwJNSNATX+WutytGnOI3bq+eNdImEYwGv86FPK9hvHDDP5+5VR22KyfDqF100pbvL0Rr72kmdPY4LbLCYsTimdH9c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LlevlfPX; 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="LlevlfPX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13FC21F00899; Mon, 28 Sep 2026 15:41:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790610107; bh=Tgf/xz+nv+0X6hvPyf9iZulgauVuwBAMlz+MDk7Nhas=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=LlevlfPXEEtXLFdGCuusVsKYCXSIK1rTWfvqEoaqxffFO8wVs5QowbGmCIzMmm5ck gQssCyLXObr7/gk2tDfBn4xIaORSPcUE8DQxQrGgKabAVjRu9tHzN8oGO+LAGb6PT8 D/WmvzPtx+Hw1u8aKdsFWh5rtp1IwYv8/sHhkZECG5I37TyNSo8u1A9h6q8uIzw0cV 5d4ftCbqigtwjSnSQo2CvblDXdhG9IPl6q7iGYmp7a+iAc2QfAPcz9jDsSYlyWjSXh pE+ZRx3ZRUcrU+8VDttP7AwRMsPFf2I11OTaEZ8zgtzb6/odI8n7rI82s1aixDrTB2 Kpd2UMtLGCAjw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 198083924456; Mon, 28 Sep 2026 15:40:33 +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] Bluetooth: hci_core: Serialize fragmented ISO packet queueing From: patchwork-bot+bluetooth@kernel.org Message-Id: <179061003164.4169639.3011615107768318520.git-patchwork-notify@kernel.org> Date: Mon, 28 Sep 2026 15:40:31 +0000 References: <20260926172935.2423925-1-nicoyip.dev@gmail.com> In-Reply-To: <20260926172935.2423925-1-nicoyip.dev@gmail.com> To: Chengfeng Ye Cc: marcel@holtmann.org, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz : On Sun, 27 Sep 2026 01:29:35 +0800 you wrote: > The fragmented path in hci_queue_iso() calls __skb_queue_tail() without > holding conn->data_q.lock. The socket lock serializes senders, but the > transmit worker can concurrently remove packets from this queue using > skb_dequeue(). > > After an insertion saves the old tail pointer, hci_sched_iso() can dequeue > that packet and pass it to the driver. The driver can free the packet > before the insertion resumes and writes to the old tail's next pointer, > causing a use-after-free. Concurrent updates can also corrupt the queue. > > [...] Here is the summary with links: - Bluetooth: hci_core: Serialize fragmented ISO packet queueing https://git.kernel.org/bluetooth/bluetooth-next/c/1a572db43c05 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html