> When dev_requeue_skb() is called with bluked skb list, only the
> first skb of the list will be requeued to qdisc layer, and leak
> the others without free them.
>
> TCP is broken due to skb leak since no free skb will be considered
> as still in the host queue and never be retransmitted. This happend
> when dev_requeue_skb() called from qdisc_restart().
> qdisc_restart
> |-- dequeue_skb
> |-- sch_direct_xmit()
> |-- dev_requeue_skb() <-- skb may bluked
>
> Fix dev_requeue_skb() to requeue the full bluked list.
>
> Fixes: a53851e2c321 ("net: sched: explicit locking in gso_cpu fallback")
> Signed-off-by: Wei Yongjun <[email protected]>
Sorry, I forgot the 'net-next' prefix, please ignore this one, I will resend it.
