Re: [PATCH net] selftests/fib_tests: ping from dummy0 in fib_rp_filter_test()

From: Peilin Ye
Date: Mon Nov 29 2021 - 19:47:30 EST


Hi all,

On Mon, Nov 29, 2021 at 02:52:30PM -0800, Peilin Ye wrote:
> For example, suppose ping is using a SOCK_RAW socket for ICMP messages.
> When receiving ping replies, in __raw_v4_lookup(), sk->sk_bound_dev_if
> is 3 (dummy1), but dif (skb_rtable(skb)->rt_iif) says 2 (dummy0), so the
> raw_sk_bound_dev_eq() check fails. Similar things happen in
> ping_lookup() for SOCK_ICMP sockets.
^^^^^^^^^
I actually meant "SOCK_DGRAM". Will fix in v2 soon. Sorry about it.

Thanks,
Peilin Ye