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 E7B4F345CCD for ; Fri, 29 May 2026 15:50:02 +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=1780069803; cv=none; b=X6MbeMcvauSWn769hMmzKWOD6PVypJkeRR6mCwfoUTjpaVyHc9f72PYmpjw+gJhER9IBXHJhgoXv/8FQaJgaUZ/NCEwhA08pkC6/yfbb6xk2oERFe/rIe1XeOvTClhimt9gXaJZHCgjzL02lfj9GhDFpwktLlChwxUktwt7ABBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780069803; c=relaxed/simple; bh=y8a/2f3qig+Y/bogDVtx+J1zMtxGTTB7GD9rWnWxl34=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=tpbntNvH7Bdt/nAis637/yjxBBCRRcuPLjPBCXsOEW8hcXdWwayBq7xlIQ99kLkBfqFb3vlCbEZa0zGsUvB+HN8jMnAPa1i7VepjTn52a09mImpZHc2sU9BYCi9jNifGXkdO0hX/oadRMSjHSWpEKgX7iNJ0uTfAEnbXhZbDjDY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Sny3OKnQ; 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="Sny3OKnQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFC731F00893; Fri, 29 May 2026 15:50:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780069802; bh=cpVyk+/RaICMYssB1qgFEhpsD7zURzK4UcblXLiI6Gk=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=Sny3OKnQ8wC4JKytv3o1NooKrEYHfWdxyVMiyWrRje+AxaqCcrYiVUr4M42zVN8Cf 1/40LibXh9y8Gv3Ul70PIaOY9OPU50BnQKDDd+j1pDDO/4xm3YdXLOrB74m1Km2NUR 8N6V7fgwtPsh3uGtn7soa3xGJN4CN+vef5e0j0myDC/OOUh3TPFUR4V6W4s1jn99O4 eRllvIJ6iI8RfLe1Ns1tJTxToueF1KDOEKIwntgh19s01vI+PN+Yz07SQvm6q0SNC0 ERouYV3ItF5V6W7ObUbFEVEU33xWhiwdtuxKs6ATOqYZrZgqVMQbk2/eIZaArdv7AZ 7mTXeebfaUfFA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0B563930193; Fri, 29 May 2026 15:50:07 +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 v4] Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig From: patchwork-bot+bluetooth@kernel.org Message-Id: <178006980639.1863338.949491085848343135.git-patchwork-notify@kernel.org> Date: Fri, 29 May 2026 15:50:06 +0000 References: <20260521144518.1361335-1-michael.bommarito@gmail.com> In-Reply-To: <20260521144518.1361335-1-michael.bommarito@gmail.com> To: Michael Bommarito Cc: marcel@holtmann.org, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz : On Thu, 21 May 2026 10:45:17 -0400 you wrote: > net/bluetooth/l2cap_core.c:l2cap_sig_channel() accepts BR/EDR > signaling packets up to the channel MTU and dispatches each command > without enforcing the signaling MTU (MTUsig). A Bluetooth BR/EDR peer > within radio range can send a fixed-channel CID 0x0001 packet that is > larger than MTUsig and contains many L2CAP_ECHO_REQ commands before > pairing. In a real-radio stock-kernel run, one 681-byte signaling > packet containing 168 zero-length ECHO_REQ commands made the target > transmit 168 ECHO_RSP frames over about 220 ms. > > [...] Here is the summary with links: - [v4] Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig https://git.kernel.org/bluetooth/bluetooth-next/c/a6273f046450 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html