On Tue,  7 Jul 2020 12:55:08 +0800 we...@ucloud.cn wrote:
> From: wenxu <we...@ucloud.cn>
> 
> Add nf_ct_frag_gather and Make nf_ct_frag6_gather elide the CB clear 
> when packets are defragmented by connection tracking. This can make
> each subsystem such as br_netfilter, openvswitch, act_ct do defrag
> without restore the CB. 
> This also avoid serious crashes and problems in  ct subsystem.
> Because Some packet schedulers store pointers in the qdisc CB private
> area and parallel accesses to the SKB.
> 
> This series following up
> http://patchwork.ozlabs.org/project/netdev/patch/1593422178-26949-1-git-send-email-we...@ucloud.cn/
> 
> patch1: add nf_ct_frag_gather elide the CB clear
> patch2: make nf_ct_frag6_gather elide the CB clear
> patch3: fix clobber qdisc_skb_cb in act_ct with defrag
> 
> v2: resue some ip_defrag function in patch1

Florian, Cong - are you willing to venture an ack on these? Anyone?

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