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 00B56C4332F for ; Fri, 18 Nov 2022 04:05:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240894AbiKREFE (ORCPT ); Thu, 17 Nov 2022 23:05:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241040AbiKREEP (ORCPT ); Thu, 17 Nov 2022 23:04:15 -0500 Received: from mail-io1-xd2f.google.com (mail-io1-xd2f.google.com [IPv6:2607:f8b0:4864:20::d2f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3DB97211E; Thu, 17 Nov 2022 20:04:04 -0800 (PST) Received: by mail-io1-xd2f.google.com with SMTP id p184so2989249iof.11; Thu, 17 Nov 2022 20:04:04 -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=kp+CpBikoq7v7LDCymqAU9BTzEWUsL4lrRHtYTDMf/8=; b=jDaf1iUApXLyFakz6vU/1UohPbjS/Hj0mVlItftiqj+QeWpPtIhRH/yiQ/5GJwNJ7w g3I953xz3sIBS/76qp9UG2KXRP6biiRHTDS4ojsveXDS63j/QOjAQI8BhTfTkFhPj6fn LMad3txbDAJUvmPtWuoqZXzO4tdtKeObHc7OjK/fS3+nvM8sv16jCfkfvT2iRfZMdOYA hUoOracaeQLGh8rchGuISe6lpj/AinAW2Wdzh0hYuxhwvqk0IGgXr/me6FSFYk/YndCL mGIfNRKriCxEz3CeJDUwHSULbJJYdQayFBp9LKbGUeO/OnF+AR4KKh6nXHd+Z6MTNRXk jyug== 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=kp+CpBikoq7v7LDCymqAU9BTzEWUsL4lrRHtYTDMf/8=; b=m6OxYk1eeNM4+hpi3TnxxD+/jq6oKFZgBz7GSPhhNGsEqjKAeT2OQ5vN2Vsusgth7O MnTn12JUaEH3MvTYNTwAhF+p//Isro9HUBh1sqQw4i22OPJ+Wkf6ARLWNG4CFWsR03T0 fRjd26uEZM1uqXTJt9nk18nS7ZET27Z7VG/x5iC9qvJCGGQ9J1pdOHNH1GrqC5WX0/JO 6zljs/SEHzu0e9/knaTC3pJRRlhtDG7y7zVVxgNgizxnXr10EJT9K+odvtZj7rHOmrCf VRQATITdTXIJbULYsqit2KUrB1xKnEvT+iSLAFdZUIdprGe02pdUsSyC1bx5zBx/CWna oqkw== X-Gm-Message-State: ANoB5pnSKBpfCZi2Ph/5GswjKMKYE9GbX1F9BJqxe6MgLo8Obiw88bOs ehYK9drF/sU7TG9x0geCzdbZ61IVVYIqJ5wp X-Google-Smtp-Source: AA0mqf7oEx7b4s4K4gTpLEbYP42vgEatxvVDspJsVnlisiXvE6khKtj+OgwadYNafHOMqCNIdInBig== X-Received: by 2002:a5e:9405:0:b0:6a1:48d3:149e with SMTP id q5-20020a5e9405000000b006a148d3149emr2822687ioj.136.1668744244214; Thu, 17 Nov 2022 20:04:04 -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 w186-20020a022ac3000000b003717c1df569sm847028jaw.165.2022.11.17.20.04.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 20:04:03 -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 6 / 6] L2cap: Spec violations Date: Thu, 17 Nov 2022 23:03:56 -0500 Message-Id: <20221118040356.631678-1-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 6. BT_DISCONN -> BT_CONNECTED 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] 12.777814 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] 12.797646 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] 12.797646 BR/EDR Address: 10:AA:AA:AA:AA:AA (OUI 10-AA-AA) Flags: 0x00000000 Data length: 0 > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #33 [hci0] 12.778616 invalid packet size (16 != 2061) 0c 00 01 00 03 01 08 00 00 00 00 00 00 00 00 00 ................ > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #34 [hci0] 12.778858 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 07 00 00 01 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #35 [hci0] 12.778882 invalid packet size (16 != 2061) 0c 00 01 00 04 01 08 00 40 00 00 00 07 02 00 00 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 1547 #36 [hci0] 12.778905 invalid packet size (14 != 1547) 0a 00 01 00 05 01 06 00 40 00 00 00 00 00 ........@.....