From: Tobias Brunner <tobias@strongswan.org>
Date: Mon, 13 Nov 2023 11:02:25 +0000 (+0100)
Subject: Merge branch 'reqid-refcount'
X-Git-Tag: 5.9.12rc1~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed2d548fee7f786f0dcf79191bba008ec09f2e7f;p=thirdparty%2Fstrongswan.git

Merge branch 'reqid-refcount'

This fixes issues with CHILD_SAs getting reestablished concurrently.
We intend to reuse the reqid of the previous CHILD_SA, however, previously
the reqids were released and up for reassignment to any other CHILD_SA
or trap policy.  This could cause the reqid to get associated with
completely different traffic selectors, as the reestablished CHILD_SA
would eventually get the requested reqid because the traffic selectors
explicitly don't have to match (to allow narrowing for CHILD_SAs based
on trap policies).

Closes strongswan/strongswan#1855
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ed2d548fee7f786f0dcf79191bba008ec09f2e7f