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Commit 32b304de authored by Eric Dumazet's avatar Eric Dumazet Committed by Greg Kroah-Hartman
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net: datagram: fix data-races in datagram_poll()



[ Upstream commit 5bca1d081f44c9443e61841842ce4e9179d327b6 ]

datagram_poll() runs locklessly, we should add READ_ONCE()
annotations while reading sk->sk_err, sk->sk_shutdown and sk->sk_state.

Fixes: 1da177e4 ("Linux-2.6.12-rc2")
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Reviewed-by: default avatarKuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20230509173131.3263780-1-edumazet@google.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent b36dcf3e
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