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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/net/ipv4/udp_tunnel_core.c
.. .. @@ -194,6 +194,7 @@
194 194  void udp_tunnel_sock_release(struct socket *sock)
195 195  {
196 196  	rcu_assign_sk_user_data(sock->sk, NULL);
197 +	synchronize_rcu();
197 198  	kernel_sock_shutdown(sock, SHUT_RDWR);
198 199  	sock_release(sock);
199 200  }

..	..	@@ -194,6 +194,7 @@
194	194	void udp_tunnel_sock_release(struct socket *sock)
195	195	{
196	196	rcu_assign_sk_user_data(sock->sk, NULL);
	197	+ synchronize_rcu();
197	198	kernel_sock_shutdown(sock, SHUT_RDWR);
198	199	sock_release(sock);
199	200	}