Re: [PATCH bpf 2/4] bpf: Check netfilter ctx accesses are aligned

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On Fri, 2025-08-01 at 11:48 +0200, Paul Chaignon wrote:
> Similarly to the previous patch fixing the flow_dissector ctx accesses,
> nf_is_valid_access also doesn't check that ctx accesses are aligned.
> Contrary to flow_dissector programs, netfilter programs don't have
> context conversion. The unaligned ctx accesses are therefore allowed by
> the verifier.
> 
> Fixes: fd9c663b9ad6 ("bpf: minimal support for programs hooked into netfilter framework")
> Signed-off-by: Paul Chaignon <paul.chaignon@xxxxxxxxx>
> ---

Acked-by: Eduard Zingerman <eddyz87@xxxxxxxxx>

[...]





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