This is a note to let you know that I've just added the patch titled
net: ethernet: rtsn: fix potential memory leak in rtsn_start_xmit()
to the 6.11-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:
net-ethernet-rtsn-fix-potential-memory-leak-in-rtsn_.patch
and it can be found in the queue-6.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 63d3e80a15c48eb4b1af3220393cb3ee227876a1
Author: Wang Hai <wanghai38@xxxxxxxxxx>
Date: Mon Oct 14 22:42:50 2024 +0800
net: ethernet: rtsn: fix potential memory leak in rtsn_start_xmit()
[ Upstream commit c186b7a7f2387d9e09ad408420570be025b187c5 ]
The rtsn_start_xmit() returns NETDEV_TX_OK without freeing skb
in case of skb->len being too long, add dev_kfree_skb_any() to fix it.
Fixes: b0d3969d2b4d ("net: ethernet: rtsn: Add support for Renesas Ethernet-TSN")
Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Link: https://patch.msgid.link/20241014144250.38802-1-wanghai38@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/renesas/rtsn.c b/drivers/net/ethernet/renesas/rtsn.c
index 0e6cea42f0077..da90adef6b2b7 100644
--- a/drivers/net/ethernet/renesas/rtsn.c
+++ b/drivers/net/ethernet/renesas/rtsn.c
@@ -1057,6 +1057,7 @@ static netdev_tx_t rtsn_start_xmit(struct sk_buff *skb, struct net_device *ndev)
if (skb->len >= TX_DS) {
priv->stats.tx_dropped++;
priv->stats.tx_errors++;
+ dev_kfree_skb_any(skb);
goto out;
}
