Hi Daniel, >The other sock_put() in packet_release() to drop the final ref and call into >sk_free(), which drops the 1 ref on the sk_wmem_alloc from init time. Since you >got into __sk_free() via sock_wfree() destructor, your socket must have invoked >packet_release() prior to this (perhaps kernel destroying the process). > >What kernel do you use?
Issue is coming for 3.10.58. >> Driver calls dev_kfree_skb_any->dev_kfree_skb_irq >> and it adds buffer in completion queue to free and raises softirq >> NET_TX_SOFTIRQ >> >> net_tx_action->__kfree_skb->skb_release_all->skb_release_head_state->sock_wfree-> >> __sk_free->packet_sock_destruct >> >> Also purging of receive queue has been taken care in other protocols.