pull request (net): ipsec 2020-03-27

[Steffen Klassert <steffen.klassert@secunet.com>]

1) Handle NETDEV_UNREGISTER for xfrm device to handle asynchronous
   unregister events cleanly. From Raed Salem.

2) Fix vti6 tunnel inter address family TX through bpf_redirect().
   From Nicolas Dichtel.

3) Fix lenght check in verify_sec_ctx_len() to avoid a
   slab-out-of-bounds. From Xin Long.

4) Add a missing verify_sec_ctx_len check in xfrm_add_acquire
   to avoid a possible out-of-bounds to access. From Xin Long.

5) Use built-in RCU list checking of hlist_for_each_entry_rcu
   to silence false lockdep warning in __xfrm6_tunnel_spi_lookup
   when CONFIG_PROVE_RCU_LIST is enabled. From Madhuparna Bhowmik.

6) Fix a panic on esp offload when crypto is done asynchronously.
   From Xin Long.

7) Fix a skb memory leak in an error path of vti6_rcv.
   From Torsten Hilbrich.

8) Fix a race that can lead to a doulbe free in xfrm_policy_timer.
   From Xin Long.

Please pull or let me know if there are problems.

Thanks!

The following changes since commit a444ad1432c5a0fb3bd43fc9ac39fb88b1fb141e:

  Merge branch 'netdevsim-fix-several-bugs-in-netdevsim-module' (2020-02-03 15:38:50 -0800)

are available in the Git repository at:

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

for you to fetch changes up to 4c59406ed00379c8663f8663d82b2537467ce9d7:

  xfrm: policy: Fix doulbe free in xfrm_policy_timer (2020-03-24 06:56:54 +0100)

----------------------------------------------------------------
Madhuparna Bhowmik (1):
      ipv6: xfrm6_tunnel.c: Use built-in RCU list checking

Nicolas Dichtel (1):
      vti[6]: fix packet tx through bpf_redirect() in XinY cases

Raed Salem (1):
      xfrm: handle NETDEV_UNREGISTER for xfrm device

Torsten Hilbrich (1):
      vti6: Fix memory leak of skb if input policy check fails

Xin Long (3):
      xfrm: fix uctx len check in verify_sec_ctx_len
      xfrm: add the missing verify_sec_ctx_len check in xfrm_add_acquire
      esp: remove the skb from the chain when it's enqueued in cryptd_wq

YueHaibing (1):
      xfrm: policy: Fix doulbe free in xfrm_policy_timer

 net/ipv4/Kconfig        |  1 +
 net/ipv4/ip_vti.c       | 38 ++++++++++++++++++++++++++++++--------
 net/ipv6/ip6_vti.c      | 34 ++++++++++++++++++++++++++--------
 net/ipv6/xfrm6_tunnel.c |  2 +-
 net/xfrm/xfrm_device.c  |  9 +++++----
 net/xfrm/xfrm_policy.c  |  2 ++
 net/xfrm/xfrm_user.c    |  6 +++++-
 7 files changed, 70 insertions(+), 22 deletions(-)