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