From: David S. Miller <davem@davemloft.net>
Date: Mon, 16 Jan 2023 13:40:55 +0000 (+0000)
Subject: Merge branch 'l2tp-races'
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4101971aaf0989b9ad04ea4c37c72645a6cc3ce4;p=linux.git

Merge branch 'l2tp-races'

Cong Wang says:

====================
l2tp: fix race conditions in l2tp_tunnel_register()

This patchset contains two patches, the first one is a preparation for
the second one which is the actual fix. Please find more details in
each patch description.

I have ran the l2tp test (https://github.com/katalix/l2tp-ktest),
all test cases are passed.

v3: preserve EEXIST errno for user-space
v2: move IDR allocation to l2tp_tunnel_register()
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
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4101971aaf0989b9ad04ea4c37c72645a6cc3ce4