[ Upstream commit efaf24e30ec39ebbea9112227485805a48b0ceb1 ] While dumping sockets via UNIX_DIAG, we do not hold unix_state_lock(). Let's use READ_ONCE() to read sk->sk_shutdown. Fixes: e4e541a84863 ("sock-diag: Report shutdown for inet and unix sockets (v2)") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>