udp: add missing WRITE_ONCE() around up->encap_rcv

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[ Upstream commit 6d5a12eb91 ]

UDP_ENCAP_ESPINUDP_NON_IKE setsockopt() writes over up->encap_rcv
while other cpus read it.

Fixes: 067b207b28 ("[UDP]: Cleanup UDP encapsulation code")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Eric Dumazet 2023-09-12 09:17:25 +00:00 • committed by Greg Kroah-Hartman

parent ec18d7507f

commit a08ff0544b

1 changed files with 4 additions and 2 deletions

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net/ipv4/udp.c

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