From: Marcel Holtmann marcel@holtmann.org
[ Upstream commit debdedf2eb5a2d9777cabff40900772be13cd9f9 ]
When processing SCO packets, the handle is wrongly assumed as 16-bit value. The actual size is 12-bits and the other 4-bits are used for packet flags.
Signed-off-by: Marcel Holtmann marcel@holtmann.org Signed-off-by: Johan Hedberg johan.hedberg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/bluetooth/hci_core.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 9e19d5a3aac87..d136519d56542 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4322,13 +4322,16 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_sco_hdr *hdr = (void *) skb->data; struct hci_conn *conn; - __u16 handle; + __u16 handle, flags;
skb_pull(skb, HCI_SCO_HDR_SIZE);
handle = __le16_to_cpu(hdr->handle); + flags = hci_flags(handle); + handle = hci_handle(handle);
- BT_DBG("%s len %d handle 0x%4.4x", hdev->name, skb->len, handle); + BT_DBG("%s len %d handle 0x%4.4x flags 0x%4.4x", hdev->name, skb->len, + handle, flags);
hdev->stat.sco_rx++;