Hello Wang, Thanks for finding this. On 2024-10-14 22:42:50 +0800, Wang Hai wrote: > 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> > --- > drivers/net/ethernet/renesas/rtsn.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/ethernet/renesas/rtsn.c b/drivers/net/ethernet/renesas/rtsn.c > index f9f63c61d792..6b3f7fca8d15 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; > } > > -- > 2.17.1 > -- Kind Regards, Niklas Söderlund