From: Peilin Ye yepeilin.cs@gmail.com
commit 75bbd2ea50ba1c5d9da878a17e92eac02fe0fd3a upstream.
Check `num_rsp` before using it as for-loop counter.
Cc: stable@vger.kernel.org Signed-off-by: Peilin Ye yepeilin.cs@gmail.com Signed-off-by: Marcel Holtmann marcel@holtmann.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/bluetooth/hci_event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 59899dbf742d..d67ddc92f82e 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2360,7 +2360,7 @@ 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))