This is a note to let you know that I've just added the patch titled
can: cc770: Fix use after free in cc770_tx_interrupt()
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: can-cc770-fix-use-after-free-in-cc770_tx_interrupt.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 9ffd7503944ec7c0ef41c3245d1306c221aef2be Mon Sep 17 00:00:00 2001
From: Andri Yngvason andri.yngvason@marel.com Date: Thu, 15 Mar 2018 18:23:17 +0000 Subject: can: cc770: Fix use after free in cc770_tx_interrupt()
From: Andri Yngvason andri.yngvason@marel.com
commit 9ffd7503944ec7c0ef41c3245d1306c221aef2be upstream.
This fixes use after free introduced by the last cc770 patch.
Signed-off-by: Andri Yngvason andri.yngvason@marel.com Fixes: 746201235b3f ("can: cc770: Fix queue stall & dropped RTR reply") Cc: linux-stable stable@vger.kernel.org Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/can/cc770/cc770.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -706,13 +706,12 @@ static void cc770_tx_interrupt(struct ne return; }
- can_put_echo_skb(priv->tx_skb, dev, 0); - can_get_echo_skb(dev, 0); - cf = (struct can_frame *)priv->tx_skb->data; stats->tx_bytes += cf->can_dlc; stats->tx_packets++;
+ can_put_echo_skb(priv->tx_skb, dev, 0); + can_get_echo_skb(dev, 0); priv->tx_skb = NULL;
netif_wake_queue(dev);
Patches currently in stable-queue which might be from andri.yngvason@marel.com are
queue-4.9/can-cc770-fix-use-after-free-in-cc770_tx_interrupt.patch queue-4.9/can-cc770-fix-queue-stall-dropped-rtr-reply.patch queue-4.9/can-cc770-fix-stalls-on-rt-linux-remove-redundant-irq-ack.patch