sctp: do not inherit ipv6_{mc|ac|fl}_list from parent

SCTP needs fixes similar to 83eaddab4378 ("ipv6/dccp: do not inherit
ipv6_mc_list from parent"), otherwise bad things can happen.

Change-Id: I45e2427c0a7ad58264833c360e709b81c9634a76
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git


Git-commit: fdcee2cbb8438702ea1b328fb6e0ac5e9a40c7f8
Signed-off-by: Ashwanth Goli <ashwanth@codeaurora.org>