ipsec-next

Steffen Klassert says:

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pull request (net-next): ipsec-next 2021-08-27

1) Remove an unneeded extra variable in esp4 esp_ssg_unref.
   From Corey Minyard.

2) Add a configuration option to change the default behaviour
   to block traffic if there is no matching policy.
   Joint work with Christian Langrock and Antony Antony.

3) Fix a shift-out-of-bounce bug reported from syzbot.
   From Pavel Skripkin.

Please pull or let me know if there are problems.
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Signed-off-by: David S. Miller <davem@davemloft.net>