Re: [PATCH net] Drop packets with invalid headers to prevent KMSAN infoleak

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On 10/22/24 03:37, Daniel Yang wrote:
> Are there any possible unexpected issues that can be caused by this?

This patch is apparently the cause of BPF self-tests failures:

test_empty_skb:FAIL:ret: veth ETH_HLEN+1 packet ingress
[redirect_ingress] unexpected ret: veth ETH_HLEN+1 packet ingress
[redirect_ingress]: actual -34 != expected 0
test_empty_skb:PASS:err: veth ETH_HLEN+1 packet ingress
[redirect_egress] 0 nsec
test_empty_skb:FAIL:ret: veth ETH_HLEN+1 packet ingress
[redirect_egress] unexpected ret: veth ETH_HLEN+1 packet ingress
[redirect_egress]: actual -34 != expected 1

Before submitting an eventual next revision, please very that BPF
self-tests are happy.

Thanks,

Paolo





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