Bluetooth: Fix ignoring debug keys in mgmt_load_link_keys
We should never allow user space to feed back debug keys to the kernel.
If the user desires to use debug keys require setting the appropriate
debug keys mode and performing a new pairing.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 634b44d..747746b 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2426,6 +2426,12 @@
for (i = 0; i < key_count; i++) {
struct mgmt_link_key_info *key = &cp->keys[i];
+ /* Always ignore debug keys and require a new pairing if
+ * the user wants to use them.
+ */
+ if (key->type == HCI_LK_DEBUG_COMBINATION)
+ continue;
+
hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
key->type, key->pin_len, NULL);
}