netdev - [PATCH v2 0/2] Fix issues in xfrm

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Message-Id: <20220119000014.1745223-1-evitayan@google.com>
Date:   Tue, 18 Jan 2022 16:00:12 -0800
From:   Yan Yan <evitayan@...gle.com>
To:     Steffen Klassert <steffen.klassert@...unet.com>
Cc:     netdev@...r.kernel.org, Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, lorenzo@...gle.com,
        maze@...gle.com, nharold@...gle.com, benedictwong@...gle.com,
        Yan Yan <evitayan@...gle.com>
Subject: [PATCH v2 0/2] Fix issues in xfrm_migrate

This patch series include two patches to fix two issues in xfrm_migrate.

PATCH 1/2 enables distinguishing SAs and SPs based on if_id during the
xfrm_migrate flow. It fixes the problem that when there are multiple
existing SPs with the same direction, the same xfrm_selector and
different endpoint addresses, xfrm_migrate might fail.

PATCH 2/2 enables xfrm_migrate to handle address family change by
breaking the original xfrm_state_clone method into two steps so as to
update the props.family before running xfrm_init_state.

V1 -> V2:
- Move xfrm_init_state() out of xfrm_state_clone()
and called it after updating the address family

Yan Yan (2):
  xfrm: Check if_id in xfrm_migrate
  xfrm: Fix xfrm migrate issues when address family changes

 include/net/xfrm.h     |  5 +++--
 net/key/af_key.c       |  2 +-
 net/xfrm/xfrm_policy.c | 14 ++++++++------
 net/xfrm/xfrm_state.c  | 15 +++++++++++----
 net/xfrm/xfrm_user.c   |  6 +++++-
 5 files changed, 28 insertions(+), 14 deletions(-)

base-commit: fe8152b38d3a994c4c6fdbc0cd6551d569a5715a
-- 
2.34.1.703.g22d0c6ccf7-goog