From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39DD2C433FE for ; Fri, 18 Nov 2022 04:04:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240853AbiKRED7 (ORCPT ); Thu, 17 Nov 2022 23:03:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240959AbiKRED3 (ORCPT ); Thu, 17 Nov 2022 23:03:29 -0500 Received: from mail-io1-xd35.google.com (mail-io1-xd35.google.com [IPv6:2607:f8b0:4864:20::d35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2AB9191C1C; Thu, 17 Nov 2022 20:03:22 -0800 (PST) Received: by mail-io1-xd35.google.com with SMTP id y6so2993996iof.9; Thu, 17 Nov 2022 20:03:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=YLfrKv8JExwIFtvfSGqCdlDudy44JAqaCgm/PSSNv6A=; b=nbIzbnltrfD/sYmRAvakU/iH2muFHCxoWwORs4gjVHc6xUg4YO7NxOAK5cMA1KgnD5 JHP5DEjutHDvJVLrEz2zu2ARy8v44YQ1GbtlQVw4jfrM5uTpDYGmFF7ZXTjPE6wx1j5r uuuevjcAVPBWPEATl3GpValWZ3ywSciVrt/iZai7xyXh/rcdZyDIcgSKCz+Lit5J7OKd DFqhfWiv9++vvjr3sdT1eZZze0VsFEWvFOVDCmwDTeh5VLRSbC9odPx9isM5JSXqdpZ9 zNnomX54Ib900q28LVeArBM5BirbIcsOgz9mvQR+qxnOSpSXGXd2Cw0xTzPsgeHc4APp 66Eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YLfrKv8JExwIFtvfSGqCdlDudy44JAqaCgm/PSSNv6A=; b=Ds4P/wcfK64vjNnWRdpaCMxO4Du5t+bzZXeF/QQr77luB3jvsODLW61xMoLIURJbU3 7VmUFytxX/kR9op/KbEwdE9jEBZL5HVQamT4d5ZTV2ZP1LDSigi3WczeEGdPzd92BzYZ ZC1aGOmwOTGngAt8i1n0ExWVkq4KbB7FWdDYU/Lf+5PT6CMbbY2f6zGrLp9s9jURBZzr s98gktNLbUoq3c1fetvMrMIrAyJJuLmv8O5gAlCl2O+ZZRzgVsoiCWZiEiJwLw/0QJUX wVK6gmJuYlo8pwqxXinNTaRkPbPQAQfhpOUi5SnJ7JNcErpAp7qFqf+/pfsg1pwcQV4G I6VQ== X-Gm-Message-State: ANoB5ploRcOd6a7TemqPl8kkrJRiAYOlbtK8btRVI7djF3U46I0MYX1V 3zVlSkWvRiapYuYGBH5WHIM= X-Google-Smtp-Source: AA0mqf7dYNu7l8W+7ECYYLZejEjRkLHGKsPaPsBBqJvBj9g0E3mp3ukvQn4TjUozv9KqtQoapToaew== X-Received: by 2002:a6b:c990:0:b0:6dd:807d:89a3 with SMTP id z138-20020a6bc990000000b006dd807d89a3mr2880489iof.33.1668744201523; Thu, 17 Nov 2022 20:03:21 -0800 (PST) Received: from noodle.cs.purdue.edu (switch-lwsn2133-z1r11.cs.purdue.edu. [128.10.127.250]) by smtp.googlemail.com with ESMTPSA id o14-20020a6bcf0e000000b006a4ab3268f3sm962652ioa.42.2022.11.17.20.03.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 20:03:21 -0800 (PST) From: Sungwoo Kim X-Google-Original-From: Sungwoo Kim To: iam@sung-woo.kim Cc: davem@davemloft.net, edumazet@google.com, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, marcel@holtmann.org, netdev@vger.kernel.org, pabeni@redhat.com Subject: [BUG 4 / 6] L2cap: Spec violations Date: Thu, 17 Nov 2022 23:03:13 -0500 Message-Id: <20221118040313.630791-1-git@sung-woo.kim> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4. BT_CONNECTED -> BT_CONFIG by L2CAP_CONN_RSP btmon log: Bluetooth monitor ver 5.64 = Note: Linux version 6.1.0-rc2 (x86_64) 0.240003 = Note: Bluetooth subsystem version 2.22 0.240035 (...) > ACL Data RX: Handle 200 flags 0x00 dlen 1033 #32 [hci0] 12.003575 invalid packet size (12 != 1033) 08 00 01 00 02 01 04 00 01 10 ff ff ............ @ MGMT Event: Device Connected (0x000b) plen 13 {0x0001} [hci0] 12.024700 BR/EDR Address: 10:AA:AA:AA:AA:AA (OUI 10-AA-AA) Flags: 0x00000000 Data length: 0 @ MGMT Event: Device Connected (0x000b) plen 13 {0x0002} [hci0] 12.024700 BR/EDR Address: 10:AA:AA:AA:AA:AA (OUI 10-AA-AA) Flags: 0x00000000 Data length: 0 = bluetoothd: Failed to obtain handles for "Service Changed" char.. 12.049885 > ACL Data RX: Handle 200 flags 0x00 dlen 1804 #33 [hci0] 12.003613 invalid packet size (15 != 1804) 0b 00 01 00 04 01 07 00 40 00 00 00 05 01 00 ........@...... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #34 [hci0] 12.004416 invalid packet size (16 != 2061) 0c 00 01 00 05 01 08 00 40 00 00 00 01 00 ff 80 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #35 [hci0] 12.004968 invalid packet size (16 != 2061) 0c 00 01 00 03 01 08 00 00 00 00 00 00 00 00 00 ................