This is a note to let you know that I've just added the patch titled
Bluetooth: msft: Fix memory leak
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bluetooth-msft-fix-memory-leak.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 29cfeb76f968d0d7cadbed4af3743586818978b5
Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Date: Wed Feb 28 10:56:49 2024 -0500
Bluetooth: msft: Fix memory leak
[ Upstream commit a6e06258f4c31eba0fcd503e19828b5f8fe7b08b ]
Fix leaking buffer allocated to send MSFT_OP_LE_MONITOR_ADVERTISEMENT.
Fixes: 9e14606d8f38 ("Bluetooth: msft: Extended monitor tracking by address filter")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c
index 630e3023273b2..9612c5d1b13f6 100644
--- a/net/bluetooth/msft.c
+++ b/net/bluetooth/msft.c
@@ -875,6 +875,7 @@ static int msft_add_address_filter_sync(struct hci_dev *hdev, void *data)
remove = true;
goto done;
}
+
cp->sub_opcode = MSFT_OP_LE_MONITOR_ADVERTISEMENT;
cp->rssi_high = address_filter->rssi_high;
cp->rssi_low = address_filter->rssi_low;
@@ -887,6 +888,8 @@ static int msft_add_address_filter_sync(struct hci_dev *hdev, void *data)
skb = __hci_cmd_sync(hdev, hdev->msft_opcode, size, cp,
HCI_CMD_TIMEOUT);
+ kfree(cp);
+
if (IS_ERR(skb)) {
bt_dev_err(hdev, "Failed to enable address %pMR filter",
&address_filter->bdaddr);
