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 D527DC433FE for ; Fri, 18 Nov 2022 04:03:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235129AbiKREC5 (ORCPT ); Thu, 17 Nov 2022 23:02:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234902AbiKRECw (ORCPT ); Thu, 17 Nov 2022 23:02:52 -0500 Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40E4891C04; Thu, 17 Nov 2022 20:02:51 -0800 (PST) Received: by mail-io1-xd2d.google.com with SMTP id d123so3002591iof.7; Thu, 17 Nov 2022 20:02:51 -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=yRwFjH5ZK5pElfz8avNd+GS81npN/0yLxJtOuth1gt0=; b=NWIZzVq0ENHboDbMUDI3jyhpKUqoMSM3tvmB0jFWb5pO752TvNE/lY0OLUZKN/9uyO NCmULluNN0uzu7ijxD58GUv8OxP+gpKxJN1/L4N59rnYQkiMuE4S//WANSruGZmpgk1e fuDUWA4E9D8t83HFFRJ29ENfe6LAv2iauE2GeYTo5qWqa9YhNg+zFXEQTTifEyxHSWQp Q5O7EEt27/1DYSgmGAB3OySltBMURJguWcdC9vocwVOeSM5Gr8F3mUMJeoYannklIGJz XXc5dzBMzCzkdM2/LmI/g9M23W4qyuCpXLXtdDqAboKMaTijAqldrLALXCPLrJkiZnQD fdQQ== 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=yRwFjH5ZK5pElfz8avNd+GS81npN/0yLxJtOuth1gt0=; b=pY3Jpht8DRRXCQer+8HJe1bqi894oz2P3ARfgtcalExdUKYE6i4WajJB8l+VUb1qnH cAbUJElggsYNHIsVMZ/nNxmN/uX9IZvDlITXCtriAa1IgFV4rHEX1MdUApVNp2VCOZ/c jypiN2wdHG63YLRke4JUAAVPj8+RGGej18H+7jKsN1exnfyWVV41CNGHiPq7Skc7R3rT serejXgshyyZudlVPlAgsas5F56Ohcaq2muwh09Qg5kCgdKUiAFUiDs5l2ZFNko0cTrW WXL1nNtYvHCC9rl+sA6ai4tIbbURw+jLK1FBjWmuk+57mfGTKLK32uU9TjC5+nOhfdVU +d7w== X-Gm-Message-State: ANoB5pkoIgCVt755OKl5DACDROYI0n1U57WJQSz59p5PPJiMBk8khSP/ hBAHijz3T2DyJhneEsEPBVU= X-Google-Smtp-Source: AA0mqf62OpNCs5dRXZEeCFiJW3NOBafjP4uyCGfvFfQdcWdQtUNs7SkQ8k4vvBxy4ZGMxq3ptvi2CQ== X-Received: by 2002:a05:6638:4410:b0:363:aec1:9a04 with SMTP id bp16-20020a056638441000b00363aec19a04mr2475496jab.78.1668744170581; Thu, 17 Nov 2022 20:02:50 -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 n19-20020a02a193000000b00374da9c6e37sm878966jah.123.2022.11.17.20.02.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 20:02:49 -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 2 / 6] L2cap: Spec violations Date: Thu, 17 Nov 2022 23:02:41 -0500 Message-Id: <20221118040241.630093-1-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 2. BT_CONNECT2 -> BT_CONNECTED by L2CAP_CONF_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] 23.498353 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] 23.498635 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] 23.498635 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.. 23.555719 > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #33 [hci0] 23.527295 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 90 00 07 00 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 1547 #34 [hci0] 23.538671 invalid packet size (14 != 1547) 0a 00 01 00 05 01 06 00 40 00 00 00 00 00 ........@.....