Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.16 0092/1039] Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle() | Date | Mon, 24 Jan 2022 19:31:21 +0100 |
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From: Soenke Huster <soenke.huster@eknoes.de>
[ Upstream commit 1d0688421449718c6c5f46e458a378c9b530ba18 ]
On the reception of packets with an invalid packet type, the memory of the allocated socket buffers is never freed. Add a default case that frees these to avoid a memory leak.
Fixes: afd2daa26c7a ("Bluetooth: Add support for virtio transport driver") Signed-off-by: Soenke Huster <soenke.huster@eknoes.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/bluetooth/virtio_bt.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c index 57908ce4fae85..076e4942a3f0e 100644 --- a/drivers/bluetooth/virtio_bt.c +++ b/drivers/bluetooth/virtio_bt.c @@ -202,6 +202,9 @@ 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); break; + default: + kfree_skb(skb); + break; } } -- 2.34.1
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