This is a note to let you know that I've just added the patch titled
Bluetooth: Ignore H5 non-link packets in non-active state
to the 3.14-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-ignore-h5-non-link-packets-in-non-active-state.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 48439d501e3d9e8634bdc0c418e066870039599d Mon Sep 17 00:00:00 2001
From: Loic Poulain <[email protected]>
Date: Mon, 23 Jun 2014 17:42:44 +0200
Subject: Bluetooth: Ignore H5 non-link packets in non-active state
From: Loic Poulain <[email protected]>
commit 48439d501e3d9e8634bdc0c418e066870039599d upstream.
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: Loic Poulain <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/bluetooth/hci_h5.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -406,6 +406,7 @@ static int h5_rx_3wire_hdr(struct hci_ua
H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) {
BT_ERR("Non-link packet received in non-active state");
h5_reset_rx(h5);
+ return 0;
}
h5->rx_func = h5_rx_payload;
Patches currently in stable-queue which might be from [email protected] are
queue-3.14/bluetooth-ignore-h5-non-link-packets-in-non-active-state.patch
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