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Date:   Sat, 16 Oct 2021 00:50:48 +0200
From:   Soenke Huster <>
Cc:     Marcel Holtmann <>,
        Johan Hedberg <>,
        Luiz Augusto von Dentz <>,,
Subject: [PATCH] Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle()

On the reception of packets with a packet type that is not processed by
the virtbt driver, the memory of the allocated socket buffers is never
freed. Add a default case that frees these to avoid a memory leak.

Signed-off-by: Soenke Huster <>
 drivers/bluetooth/virtio_bt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c
index 57908ce4fae8..2de0f54ada73 100644
--- a/drivers/bluetooth/virtio_bt.c
+++ b/drivers/bluetooth/virtio_bt.c
@@ -202,6 +202,8 @@ static void virtbt_rx_handle(struct virtio_bluetooth *vbt, struct sk_buff *skb)
 		hci_skb_pkt_type(skb) = pkt_type;
 		hci_recv_frame(vbt->hdev, skb);
+	default:
+		kfree_skb(skb);

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