The fix in commit 48fb6b554501 is incomplete, as now ip6_route_input can be
called with non-NULL dst if it's a metadata dst and the reference is leaked.
Drop the reference.
Fixes: 48fb6b554501 ("ipv6: fix crash over flow-based vxlan device")
Fixes: ee122c79d422 ("vxlan: Flow based tunneling")
CC: Wei-Chun Chao <[email protected]>
CC: Thomas Graf <[email protected]>
Signed-off-by: Jiri Benc <[email protected]>
Acked-by: Thomas Graf <[email protected]>
---
net/ipv6/route.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e6bbcdee7707..0947ad0b3de8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1140,6 +1140,7 @@ void ip6_route_input(struct sk_buff *skb)
.flowi6_proto = iph->nexthdr,
};
+ skb_dst_drop(skb);
skb_dst_set(skb, ip6_route_input_lookup(net, skb->dev, &fl6, flags));
}
--
1.8.3.1
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