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[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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@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 ........@.....