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 C0DE0C433FE for ; Fri, 18 Nov 2022 04:04:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240923AbiKREEc (ORCPT ); Thu, 17 Nov 2022 23:04:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240997AbiKREDv (ORCPT ); Thu, 17 Nov 2022 23:03:51 -0500 Received: from mail-io1-xd2b.google.com (mail-io1-xd2b.google.com [IPv6:2607:f8b0:4864:20::d2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0F51DB3; Thu, 17 Nov 2022 20:03:43 -0800 (PST) Received: by mail-io1-xd2b.google.com with SMTP id 11so3049937iou.0; Thu, 17 Nov 2022 20:03:43 -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=TLOjd19Po3ZHEAHRm7KOiL/e/xOfXzMJmiqJ2OprEg0=; b=Nc6RCgZ5eooqaOcQ4tuhEuQYxm2wMVrPjpr1JGrfCgvcLHET+PyNxSPl2ERk2Sk0Rd RurB4S89459IPs26RK9m3wX7McDR5AeRCK0eKP32hdKvZIx83ZuLbPKTG1W9DjPV2Zgy bPMTQHzNuPdr78uxcMW//nuHwghZSmbtOopPTFabedU3HQSz/ot/WmLVUvCkCMkUFnNb jSn39to5b74w/HXO4WYLLCTXBOWac5wc69wAQpxqviOFepiy53v5FwlQUGRTBf/cnmiK zZzZrOb2jX9n5rMTYba/zh2F9D2JyeeMV/QXvtJLjedRdGGjMApyTDsRujhN4XabA47J kf8w== 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=TLOjd19Po3ZHEAHRm7KOiL/e/xOfXzMJmiqJ2OprEg0=; b=T1xRVQcXCVE+/YM2PXzKjM+h2wG+U2fO3nZjajLSixiw8C0Y5Du+Or3TuxzDcq8b1F UAtKL+N2OGl8aEzQGqcTGoSzGVM/76okhu+XXK14Abf/3UyvT/2xQmr3E4Q7Yh5ztdLK soS7MuPVB+pg0kNjHVJAG39o/SfATR4mTMBF6JTEuhFCi+m/aRuNCYF4Dg53k+4CAF9S M9ULIGWX++DDgyaatGeGKtCUQQfPVSAk0tyEcnS7ia+rotKp2HOk/JfvYfhJRkSZOIW/ fJ6PW4v2XzghzURgrqDqVRc4l0NLM2w1WxL6BVd9TQPaiW+S2seF7sj5jvKDUkVw/E6Q +PSQ== X-Gm-Message-State: ANoB5pkhWkLOPAOT+07mgkI+xAtfdwNRDkYyeYkykijWe5+Irgx2GSrO TkDSqM2QAVl+/eU3mnFZL+w= X-Google-Smtp-Source: AA0mqf5P+Adxf1Pv2yxLl/eHjRKBS3RxhOGj4IQRP43FhHrq0anrdwJCTpkvHXmNYzrzCpvVYJZc7Q== X-Received: by 2002:a02:93e5:0:b0:375:8bcb:a4e9 with SMTP id z92-20020a0293e5000000b003758bcba4e9mr2406923jah.228.1668744222364; Thu, 17 Nov 2022 20:03:42 -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 x63-20020a0294c5000000b003753c068a41sm841600jah.115.2022.11.17.20.03.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 20:03:41 -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 5 / 6] L2cap: Spec violations Date: Thu, 17 Nov 2022 23:03:34 -0500 Message-Id: <20221118040334.631153-1-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 5. BT_DISCONN -> 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] 11.525124 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] 11.546310 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] 11.546310 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] 11.540575 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 2061 #34 [hci0] 11.543844 invalid packet size (16 != 2061) 0c 00 01 00 03 01 08 00 00 00 00 00 00 00 00 00 ................