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net: backports before kABI freeze

Antoine Tenart requested to merge atenart/centos-stream-9:cs9/bz2041382/tcp-opt-kabi into main

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2041382
Tested: ENRT
Depends: https://bugzilla.redhat.com/show_bug.cgi?id=2028420
Depends: https://bugzilla.redhat.com/show_bug.cgi?id=2037783

Includes patches that would break kABI without backporting the full
series they are taken from, which we will do later (post-freeze).

The following fixes were omitted as the backport of commit
f35f821935d8 ("tcp: defer skb freeing after socket lock is released")
is a partial one not introducing the issues.

Omitted-fix: ffef737fd037 ("net/tls: Fix skb memory leak when running kTLS traffic")
Omitted-fix: db094aa8140e ("net/tls: Fix another skb memory leak when running kTLS traffic")
Omitted-fix: 79074a72d335 ("net: Flush deferred skb free on socket destroy")
Omitted-fix: ebdc1a030962 ("tcp: add a missing sk_defer_free_flush() in tcp_splice_read()")

Signed-off-by: Antoine Tenart atenart@redhat.com

Edited by Antoine Tenart

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