Return-Path: From: Jaganath Kanakkassery To: linux-bluetooth@vger.kernel.org Cc: Jaganath Kanakkassery Subject: [PATCH 2/2] Bluetooth: Fix authentication if acl data comes before remote feature evt Date: Thu, 03 Jan 2013 18:35:29 +0530 Message-id: <1357218329-21399-2-git-send-email-jaganath.k@samsung.com> In-reply-to: <1357218329-21399-1-git-send-email-jaganath.k@samsung.com> References: <1357218329-21399-1-git-send-email-jaganath.k@samsung.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: If remote device sends l2cap info request before read_remote_ext_feature completes then mgmt_connected will be sent in hci_acldata_packet() and remote name request wont be sent and eventually authentication wont happen Hcidump log of the issue < HCI Command: Create Connection (0x01|0x0005) plen 13 bdaddr BC:85:1F:74:7F:29 ptype 0xcc18 rswitch 0x01 clkoffset 0x4bf7 (valid) Packet type: DM1 DM3 DM5 DH1 DH3 DH5 > HCI Event: Command Status (0x0f) plen 4 Create Connection (0x01|0x0005) status 0x00 ncmd 1 > HCI Event: Connect Complete (0x03) plen 11 status 0x00 handle 12 bdaddr BC:85:1F:74:7F:29 type ACL encrypt 0x00 < HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2 handle 12 > HCI Event: Command Status (0x0f) plen 4 Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 1 > HCI Event: Read Remote Supported Features (0x0b) plen 11 status 0x00 handle 12 Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87 > HCI Event: Max Slots Change (0x1b) plen 3 handle 12 slots 5 < HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3 handle 12 page 1 > HCI Event: Command Status (0x0f) plen 4 Read Remote Extended Features (0x01|0x001c) status 0x00 ncmd 1 > ACL data: handle 12 flags 0x02 dlen 10 L2CAP(s): Info req: type 2 < ACL data: handle 12 flags 0x00 dlen 16 L2CAP(s): Info rsp: type 2 result 0 Extended feature mask 0x00b8 Enhanced Retransmission mode Streaming mode FCS Option Fixed Channels > HCI Event: Read Remote Extended Features (0x23) plen 13 status 0x00 handle 12 page 1 max 1 Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 > ACL data: handle 12 flags 0x02 dlen 10 L2CAP(s): Info req: type 3 < ACL data: handle 12 flags 0x00 dlen 20 L2CAP(s): Info rsp: type 3 result 0 Fixed channel list 0x00000002 L2CAP Signalling Channel > HCI Event: Number of Completed Packets (0x13) plen 5 handle 12 packets 2 Signed-off-by: Jaganath Kanakkassery --- net/bluetooth/hci_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 596660d..c14def9 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2812,6 +2812,7 @@ static void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_dev_lock(hdev); if (test_bit(HCI_MGMT, &hdev->dev_flags) && + !hci_outgoing_auth_needed(hdev, conn) && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) mgmt_device_connected(hdev, &conn->dst, conn->type, conn->dst_type, 0, NULL, 0, -- 1.7.9.5