sctp: check sk_bound_dev_if when matching ep in get_port
authorXin Long <lucien.xin@gmail.com>
Wed, 16 Nov 2022 20:01:18 +0000 (15:01 -0500)
committerDavid S. Miller <davem@davemloft.net>
Fri, 18 Nov 2022 11:42:54 +0000 (11:42 +0000)
commitf87b1ac06c887210782eab9f105ffd9045be74cc
treec78801562f90f7e6d9c91db8929471a0901fb1ea
parent6fe1e52490a91cb23f6b3aafc93e7c5beb99f862
sctp: check sk_bound_dev_if when matching ep in get_port

In sctp_get_port_local(), when binding to IP and PORT, it should
also check sk_bound_dev_if to match listening sk if it's set by
SO_BINDTOIFINDEX, so that multiple sockets with the same IP and
PORT, but different sk_bound_dev_if can be listened at the same
time.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sctp/socket.c