add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/net/ipv4/ip_input.c
..
..
@@ -561,7 +561,8 @@
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 static struct sk_buff *ip_extract_route_hint(const struct net *net,
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 					     struct sk_buff *skb, int rt_type)
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 {
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-	if (fib4_has_custom_rules(net) || rt_type == RTN_BROADCAST)
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+	if (fib4_has_custom_rules(net) || rt_type == RTN_BROADCAST ||
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+	    IPCB(skb)->flags & IPSKB_MULTIPATH)
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 		return NULL;
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 	return skb;