ipv6: Consider sk_bound_dev_if when binding a socket to an address

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[ Upstream commit c5ee066333 ]

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.

This problem exists from the beginning of git history.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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David Ahern 2019-01-02 18:57:09 -08:00 • committed by Greg Kroah-Hartman

parent 95ee755f96

commit 25cb7ffd8b

1 changed files with 3 additions and 0 deletions

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net/ipv6/af_inet6.c

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