Bluetooth: hci_event: Fix not checking if HCI_OP_INQUIRY has been sent
commit 99e67d46e5
upstream.
Before setting HCI_INQUIRY bit check if HCI_OP_INQUIRY was really sent
otherwise the controller maybe be generating invalid events or, more
likely, it is a result of fuzzing tools attempting to test the right
behavior of the stack when unexpected events are generated.
Cc: stable@vger.kernel.org
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218151
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
54fdb26372
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@ -1471,7 +1471,8 @@ static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
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return;
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}
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set_bit(HCI_INQUIRY, &hdev->flags);
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if (hci_sent_cmd_data(hdev, HCI_OP_INQUIRY))
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set_bit(HCI_INQUIRY, &hdev->flags);
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}
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static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
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