Re: [PATCH net 2/2] selftests/net: packetdrill: cover RST validation in SYN-RECEIVED

[Eric Dumazet]

On Fri, Jul 17, 2026 at 10:15 AM Yuxiang Yang
<yangyx22@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Add packetdrill coverage for the RFC 9293 reset checks on request
> sockets in SYN-RECEIVED.  Verify that an exact RST removes the request,
> a non-exact in-window RST sends a challenge ACK without removing it,
> and an out-of-window RST is silently discarded.
>
> Also cover an RST|ACK with an unacceptable ACK number to ensure RST
> sequence validation runs before ACK-field validation.
>
> Signed-off-by: Yuxiang Yang <yangyx22@xxxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Thanks!