Messages in this thread | | | Date | Wed, 29 Nov 2023 15:47:36 +0100 | From | Florian Westphal <> | Subject | Re: [PATCH net] net/netfilter: bpf: avoid leakage of skb |
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D. Wythe <alibuda@linux.alibaba.com> wrote: > And my origin intention was to allow ebpf progs to return NF_STOLEN, we are > trying to modify some netfilter modules via ebpf, > and some scenarios require the use of NF_STOLEN, but from your description,
NF_STOLEN can only be supported via a trusted helper, as least as far as I understand.
Otherwise verifier would have to guarantee that any branch that returns NF_STOLEN has released the skb, or passed it to a function that will release the skb in the near future.
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