ipv6: Consider sk_bound_dev_if when binding a raw socket to an address
commitb77654713a3c696afa7c81b3e4c81b0234223857
authorMike Manning <mmanning@vyatta.att-mail.com>
Mon, 20 May 2019 18:57:17 +0000 (20 19:57 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 9 Jun 2019 07:18:10 +0000 (9 09:18 +0200)
tree29946e9a124ea88181bad2ef229abdafbbec0116
parente10789acbe6a76b304f45cbc8bb77a926ae4f201
ipv6: Consider sk_bound_dev_if when binding a raw socket to an address

[ Upstream commit 72f7cfab6f93a8ea825fab8ccfb016d064269f7f ]

IPv6 does not consider if the socket is bound to a device when binding
to an address. The result is that a socket can be bound to eth0 and
then bound to the address of eth1. If the device is a VRF, the result
is that a socket can only be bound to an address in the default VRF.

Resolve by considering the device if sk_bound_dev_if is set.

Signed-off-by: Mike Manning <mmanning@vyatta.att-mail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv6/raw.c