Commit 75bbd2ea authored by Peilin Ye's avatar Peilin Ye Committed by Marcel Holtmann
Browse files

Bluetooth: Prevent out-of-bounds read in hci_inquiry_result_evt() 



Check `num_rsp` before using it as for-loop counter.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarPeilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 3344537f

net/bluetooth/hci_event.c

+1 −1
Original line number Diff line number Diff line
@@ -2517,7 +2517,7 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) 


	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);



	if (!num_rsp)

	if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1)

		return;



	if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))