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.

Thanks!

The following changes since commit c18e9405d46aa08bb4b55a35ee9bcc66ef3e89e0:

  Merge branch 's390-next' (2021-07-20 06:23:50 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git master

for you to fetch changes up to 5d8dbb7fb82b8661c16d496644b931c0e2e3a12e:

  net: xfrm: fix shift-out-of-bounce (2021-07-29 08:04:10 +0200)

----------------------------------------------------------------
Corey Minyard (1):
      ipsec: Remove unneeded extra variable in esp4 esp_ssg_unref()

Pavel Skripkin (1):
      net: xfrm: fix shift-out-of-bounce

Steffen Klassert (1):
      xfrm: Add possibility to set the default to block if we have no policy

 include/net/netns/xfrm.h  |  7 ++++++
 include/net/xfrm.h        | 36 +++++++++++++++++++++++++-----
 include/uapi/linux/xfrm.h | 11 +++++++++
 net/ipv4/esp4.c           |  4 +---
 net/xfrm/xfrm_policy.c    | 16 +++++++++++++
 net/xfrm/xfrm_user.c      | 57 +++++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 122 insertions(+), 9 deletions(-)