Commit 773a69d6 authored by Thomas Graf's avatar Thomas Graf Committed by David S. Miller
Browse files

icmp: Don't leak original dst into ip_route_input()

ip_route_input() unconditionally overwrites the dst. Hide the original
dst attached to the skb by calling skb_dst_set(skb, NULL) prior to
Reported-by: default avatarJulian Anastasov <>
Signed-off-by: default avatarThomas Graf <>
Signed-off-by: default avatarDavid S. Miller <>
parent 1d8fff90
......@@ -496,6 +496,7 @@ static struct rtable *icmp_route_lookup(struct net *net,
/* Ugh! */
orefdst = skb_in->_skb_refdst; /* save old refdst */
skb_dst_set(skb_in, NULL);
err = ip_route_input(skb_in, fl4_dec.daddr, fl4_dec.saddr,
RT_TOS(tos), rt2->;
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