change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/net/wireguard/socket.c
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@@ -49,7 +49,7 @@
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 		rt = dst_cache_get_ip4(cache, &fl.saddr);
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 	if (!rt) {
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-		security_sk_classify_flow(sock, flowi4_to_flowi(&fl));
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+		security_sk_classify_flow(sock, flowi4_to_flowi_common(&fl));
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 		if (unlikely(!inet_confirm_addr(sock_net(sock), NULL, 0,
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 						fl.saddr, RT_SCOPE_HOST))) {
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 			endpoint->src4.s_addr = 0;
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@@ -129,7 +129,7 @@
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 		dst = dst_cache_get_ip6(cache, &fl.saddr);
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 	if (!dst) {
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-		security_sk_classify_flow(sock, flowi6_to_flowi(&fl));
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+		security_sk_classify_flow(sock, flowi6_to_flowi_common(&fl));
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 		if (unlikely(!ipv6_addr_any(&fl.saddr) &&
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 			     !ipv6_chk_addr(sock_net(sock), &fl.saddr, NULL, 0))) {
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 			endpoint->src6 = fl.saddr = in6addr_any;
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@@ -160,6 +160,7 @@
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 	rcu_read_unlock_bh();
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 	return ret;
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 #else
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+	kfree_skb(skb);
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 	return -EAFNOSUPPORT;
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 #endif
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 }
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@@ -241,7 +242,7 @@
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 		endpoint->addr4.sin_addr.s_addr = ip_hdr(skb)->saddr;
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 		endpoint->src4.s_addr = ip_hdr(skb)->daddr;
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 		endpoint->src_if4 = skb->skb_iif;
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-	} else if (skb->protocol == htons(ETH_P_IPV6)) {
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+	} else if (IS_ENABLED(CONFIG_IPV6) && skb->protocol == htons(ETH_P_IPV6)) {
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 		endpoint->addr6.sin6_family = AF_INET6;
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 		endpoint->addr6.sin6_port = udp_hdr(skb)->source;
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 		endpoint->addr6.sin6_addr = ipv6_hdr(skb)->saddr;
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@@ -284,7 +285,7 @@
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 		peer->endpoint.addr4 = endpoint->addr4;
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 		peer->endpoint.src4 = endpoint->src4;
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 		peer->endpoint.src_if4 = endpoint->src_if4;
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-	} else if (endpoint->addr.sa_family == AF_INET6) {
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+	} else if (IS_ENABLED(CONFIG_IPV6) && endpoint->addr.sa_family == AF_INET6) {
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 		peer->endpoint.addr6 = endpoint->addr6;
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 		peer->endpoint.src6 = endpoint->src6;
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 	} else {
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@@ -308,7 +309,7 @@
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 {
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 	write_lock_bh(&peer->endpoint_lock);
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 	memset(&peer->endpoint.src6, 0, sizeof(peer->endpoint.src6));
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-	dst_cache_reset(&peer->endpoint_cache);
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+	dst_cache_reset_now(&peer->endpoint_cache);
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 	write_unlock_bh(&peer->endpoint_lock);
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 }
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@@ -430,7 +431,7 @@
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 	if (new4)
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 		wg->incoming_port = ntohs(inet_sk(new4)->inet_sport);
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 	mutex_unlock(&wg->socket_update_lock);
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-	synchronize_rcu();
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+	synchronize_net();
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 	sock_free(old4);
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 	sock_free(old6);
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 }