ipv6: add READ_ONCE(sk->sk_bound_dev_if) in INET6_MATCH()

ipv6: add READ_ONCE(sk->sk_bound_dev_if) in INET6_MATCH()

BugLink: https://bugs.launchpad.net/bugs/1990162
[ Upstream commit 5d368f03280d3678433a7f119efe15dfbbb87bc8 ]

INET6_MATCH() runs without holding a lock on the socket.

We probably need to annotate most reads.

This patch makes INET6_MATCH() an inline function
to ease our changes.

v2: inline function only defined if IS_ENABLED(CONFIG_IPV6)
    Change the name to inet6_match(), this is no longer a macro.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>