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 378B3C4332F for ; Fri, 18 Nov 2022 04:03:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235146AbiKREDb (ORCPT ); Thu, 17 Nov 2022 23:03:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240943AbiKREDJ (ORCPT ); Thu, 17 Nov 2022 23:03:09 -0500 Received: from mail-il1-x12e.google.com (mail-il1-x12e.google.com [IPv6:2607:f8b0:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A56C92B4B; Thu, 17 Nov 2022 20:03:05 -0800 (PST) Received: by mail-il1-x12e.google.com with SMTP id l6so1989599ilq.3; Thu, 17 Nov 2022 20:03:05 -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=QcBCb8p6Ke04G+L5YkAtVxarhoVESQcZzJlU+faln5M=; b=XUYZBWnGPluHgdH1liV0yvGANEdHg/aoOHkdxGu6BjgS/4EBKBg1VwlSq8/brYT2SA eA4ZeNpM2OVSGY0QMeV+f7Nxz4137yNRC7HN9hXa+FNEi3yENjgu0edDyRmaGFsfCIdX TEFWgJenBDiwdgwbRoDo+pmqz45bDiMeCJDwmxbUxtwkUebtfZ6V84ucnRuyc5aWc9Af fGuf1ZiWVR065e0wnc4pZkDrAownlsQ2pHkeeprQnfAIpptM+bKasExvx4A2jPjL47iI ih/I3YFiUeXcCi2e20JqyeMIXWINLLIQOKWZyaGcfS6WMv9p3K547kbPmr13GOm0Zmye YzxA== 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=QcBCb8p6Ke04G+L5YkAtVxarhoVESQcZzJlU+faln5M=; b=BUAk0pEiapvE8D41IGfR6VfncEkxP9Rumfi15DFK/OLyCybCknQXq96m3llGExSz01 xxaka+fhUuXGCesi5DF85WcVpo6/8tCoww/d87gQwzepEQjHf0PTxPy3vDp67GK182+W ITYvDRKXrslouDD1VKard7gp8be8wBReyhsnEQQT8KcCT2Bj8Km9ATIBVuieZMEcjXd7 6hiA0dTvFekp5UZvmafRiamB7PFpUFCr2C4YtFgWbsGSCoSu880GtOSiTCu3g4KaptGR adNc55f4r6//JfE3mijbxawq2ZyJ9qppRcb45Qr2gQ5AXaN0JE0R5Ewf25raA6H6+pEV 8cyw== X-Gm-Message-State: ANoB5plua6e/bVNbZxntOpBb00LB7TsfEgRUfcvb+j3Jps7y5M6OGcrZ iWMD2+6opFcRvOTP4r9HhxNGdh0uwmneJ7/7 X-Google-Smtp-Source: AA0mqf4FQwB3reF3z5ME2qvS47nDC8ttY3S07QpZAgRnrEyMAtIox7BgDLg9D03dNUP/U3k6dEhZWg== X-Received: by 2002:a92:d842:0:b0:302:a7d8:d7bd with SMTP id h2-20020a92d842000000b00302a7d8d7bdmr645972ilq.5.1668744184396; Thu, 17 Nov 2022 20:03:04 -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 m14-20020a92710e000000b0030014a5556bsm901741ilc.69.2022.11.17.20.03.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 20:03:03 -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 3 / 6] L2cap: Spec violations Date: Thu, 17 Nov 2022 23:02:56 -0500 Message-Id: <20221118040256.630441-1-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 3. BT_CONNECT2 -> BT_DISCONN 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] 14.266186 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] 14.282303 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] 14.282303 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.. 14.362392 > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #33 [hci0] 14.283096 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 01 02 00 00 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #34 [hci0] 14.299480 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 02 00 ff ff ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #35 [hci0] 14.300143 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 01 00 00 01 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 1547 #36 [hci0] 14.300750 invalid packet size (14 != 1547) 0a 00 01 00 05 01 06 00 40 00 ff ff 01 00 ........@.....