Commit 48439d50 authored by Loic Poulain's avatar Loic Poulain Committed by Marcel Holtmann

Bluetooth: Ignore H5 non-link packets in non-active state

When detecting a non-link packet, h5_reset_rx() frees the Rx skb.
Not returning after that will cause the upcoming h5_rx_payload()
call to dereference a now NULL Rx skb and trigger a kernel oops.
Signed-off-by: default avatarLoic Poulain <loic.poulain@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
parent 1d56dc4f
...@@ -406,6 +406,7 @@ static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c) ...@@ -406,6 +406,7 @@ static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c)
H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) { H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) {
BT_ERR("Non-link packet received in non-active state"); BT_ERR("Non-link packet received in non-active state");
h5_reset_rx(h5); h5_reset_rx(h5);
return 0;
} }
h5->rx_func = h5_rx_payload; h5->rx_func = h5_rx_payload;
......
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