]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
udp: add missing WRITE_ONCE() around up->encap_rcv
authorEric Dumazet <edumazet@google.com>
Tue, 12 Sep 2023 09:17:25 +0000 (09:17 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 20 Nov 2023 10:08:14 +0000 (11:08 +0100)
commita2d540c74549a63c8b5ecb56fe42caed3a73f2d8
tree21568f586f587a41ebe31df1bf94450c4e0a0943
parent8f7eef3a13df4f75ba94b85408873a233dcb46d1
udp: add missing WRITE_ONCE() around up->encap_rcv

[ Upstream commit 6d5a12eb91224d707f8691dccb40a5719fe5466d ]

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

Fixes: 067b207b281d ("[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>
net/ipv4/udp.c