Re: [PATCH v2] selftests/bpf: Reject malformed IPv4/IPv6 skb test input

[sun jian]

Hi,

Syzbot has tested v2 and the reproducer did not trigger the issue.
Tested-by: syzbot+619b9ef527f510a57cfc@xxxxxxxxxxxxxxxxxxxxxxxxx

On Mon, Mar 30, 2026 at 12:18 AM Sun Jian <sun.jian.kdev@xxxxxxxxx> wrote:
>
> bpf_prog_test_run_skb() derives skb->protocol from the Ethernet header
> through eth_type_trans(), but it does not verify that the provided
> linear input is long enough to contain the corresponding L3 base header.