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【OLK-5.10】WARNING in sk_mc_loop

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创建于  
2024-06-18 21:39

【严重程度】 一般
【特性】
【重现类型】 有条件概率重现
【定位分析】


packet_snd中调用packet_alloc_skb分配skb并在skb_set_owner_w中设置skb->sk为packet sock

之后报文被发送至l3s模式的ipvlan设备, 然后转至ip6_finish_output2中处理,并最终在sk_mc_loop触发告警

packet_sendmsg

packet_snd //skb->sk is packet sk

__dev_queue_xmit

__dev_xmit_skb //q->enqueue is not NULL

__qdisc_run

sch_direct_xmit

dev_hard_start_xmit

ipvlan_start_xmit

ipvlan_xmit_mode_l3 //l3 mode

ipvlan_process_outbound //vepa flag

ipvlan_process_v6_outbound

ip6_local_out

__ip6_finish_output

ip6_finish_output2 //multicast packet

sk_mc_loop //sk->sk_family is AF_PACKET


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hulk-robot 创建了任务

Hi zhixiuzhou, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Kernel, and any of the maintainers.

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